From 7755dfd33472684e693cff5a690c42bf10e4ecb9 Mon Sep 17 00:00:00 2001
From: Diego Steiner <diego.steiner@u041.ch>
Date: Wed, 20 Aug 2025 11:13:11 +0000
Subject: [PATCH] feature: seperate offers from invoices

---
 app/controllers/manage/quotes_controller.rb   |  59 +++++++++
 .../manage/rich_text_templates_controller.rb  |   2 +-
 app/domain/booking_actions/email_contract.rb  |  29 +++--
 app/domain/booking_actions/email_offer.rb     |  47 --------
 app/domain/booking_actions/email_quote.rb     |  47 ++++++++
 app/domain/booking_flows/default.rb           |   2 +-
 .../booking_states/provisional_request.rb     |   2 +-
 app/models/booking.rb                         |   3 +-
 app/models/booking_condition.rb               |   4 +-
 app/models/booking_state_checklist_item.rb    |  12 +-
 app/models/invoice.rb                         |   5 +-
 app/models/invoice/factory.rb                 |   3 -
 app/models/invoice/item.rb                    |  16 ++-
 app/models/invoice/item_factory.rb            |  22 ++--
 app/models/invoice/items/add.rb               |  13 +-
 app/models/notification.rb                    |   2 +
 app/models/organisation.rb                    |   1 +
 app/models/quote.rb                           | 112 ++++++++++++++++++
 app/models/tarif.rb                           |   2 +-
 app/params/manage/quote_params.rb             |  16 +++
 app/serializers/manage/invoice_serializer.rb  |   2 +
 app/serializers/manage/quote_serializer.rb    |  10 ++
 app/services/attachment_manager.rb            |   2 +-
 app/services/export/pdf/invoice_pdf.rb        |  31 ++---
 app/services/quote_factory.rb                 |  38 ++++++
 app/services/template_context.rb              |   1 +
 .../manage/bookings/_navigation.html.slim     |   3 +
 app/views/manage/invoices/index.html.slim     |  18 ++-
 app/views/manage/quotes/_form.html.slim       |  25 ++++
 app/views/manage/quotes/edit.html.slim        |   7 ++
 app/views/manage/quotes/index.html.slim       |  73 ++++++++++++
 app/views/manage/quotes/new.html.slim         |   7 ++
 config/locales/de.yml                         |  38 +++---
 config/locales/en.yml                         |  18 +--
 config/locales/fr.yml                         |  28 ++---
 config/locales/it.yml                         |  28 ++---
 config/routes.rb                              |   1 +
 ...820070823_seperate_offers_from_invoices.rb |  61 ++++++++++
 db/schema.rb                                  |  24 +++-
 db/seeds/demo.json                            |  30 ++---
 db/seeds/development.json                     |  30 ++---
 .../booking_actions/email_contract_spec.rb    |   9 ++
 spec/factories/invoices.rb                    |   1 -
 .../offer.rb => spec/factories/quotes.rb      |  35 +++---
 .../booking/booking_by_tenant_spec.rb         |   4 +-
 spec/models/invoice_spec.rb                   |  13 --
 46 files changed, 700 insertions(+), 236 deletions(-)
 create mode 100644 app/controllers/manage/quotes_controller.rb
 delete mode 100644 app/domain/booking_actions/email_offer.rb
 create mode 100644 app/domain/booking_actions/email_quote.rb
 create mode 100644 app/models/quote.rb
 create mode 100644 app/params/manage/quote_params.rb
 create mode 100644 app/serializers/manage/quote_serializer.rb
 create mode 100644 app/services/quote_factory.rb
 create mode 100644 app/views/manage/quotes/_form.html.slim
 create mode 100644 app/views/manage/quotes/edit.html.slim
 create mode 100644 app/views/manage/quotes/index.html.slim
 create mode 100644 app/views/manage/quotes/new.html.slim
 create mode 100644 db/migrate/20250820070823_seperate_offers_from_invoices.rb
 rename app/models/invoices/offer.rb => spec/factories/quotes.rb (62%)

diff --git a/app/controllers/manage/quotes_controller.rb b/app/controllers/manage/quotes_controller.rb
new file mode 100644
index 000000000..cec9d3259
--- /dev/null
+++ b/app/controllers/manage/quotes_controller.rb
@@ -0,0 +1,59 @@
+# frozen_string_literal: true
+
+module Manage
+  class QuotesController < BaseController
+    load_and_authorize_resource :booking
+    load_and_authorize_resource :quote, through: :booking, shallow: true
+
+    def index
+      @quotes = @quotes.where(booking: { organisation: current_organisation })
+                       .includes(:organisation).ordered.with_attached_pdf
+      @quotes = @quotes.where(booking: @booking) if @booking.present?
+      @quotes = @quotes.kept if @booking.blank?
+
+      respond_with :manage, @quotes
+    end
+
+    def show
+      @booking = @quote.booking
+      respond_to do |format|
+        format.pdf do
+          redirect_to url_for(@quote.pdf)
+        end
+      end
+    end
+
+    def new
+      @quote = QuoteFactory.new(@booking).build(suggest_items: true, **quote_params)
+      respond_with :manage, @booking, @quote
+    end
+
+    def edit
+      @booking = @quote.booking
+      respond_with :manage, @quote
+    end
+
+    def create
+      @booking = @quote.booking
+      @quote.save
+      respond_with :manage, @quote, location: -> { manage_booking_quotes_path(@quote.booking) }
+    end
+
+    def update
+      @booking = @quote.booking
+      @quote.update(quote_params) unless @quote.discarded?
+      respond_with :manage, @quote, location: -> { manage_booking_quotes_path(@quote.booking) }
+    end
+
+    def destroy
+      @quote.discarded? || !@quote.sent? ? @quote.destroy : @quote.discard!
+      respond_with :manage, @quote, location: -> { manage_booking_quotes_path(@quote.booking) }
+    end
+
+    private
+
+    def quote_params
+      QuoteParams.new(params[:quote]).permitted
+    end
+  end
+end
diff --git a/app/controllers/manage/rich_text_templates_controller.rb b/app/controllers/manage/rich_text_templates_controller.rb
index 77a6bd5f4..729b86777 100644
--- a/app/controllers/manage/rich_text_templates_controller.rb
+++ b/app/controllers/manage/rich_text_templates_controller.rb
@@ -77,7 +77,7 @@ def rich_text_templates_by_booking_action
 
     def rich_text_templates_by_document # rubocop:disable Metrics/MethodLength
       {
-        Invoices::Offer => @rich_text_templates.where(key: :invoices_offer_text),
+        Quote => @rich_text_templates.where(key: :quote_text),
         Invoices::Deposit => @rich_text_templates.where(key: :invoices_deposit_text),
         Invoices::Invoice => @rich_text_templates.where(key: :invoices_invoice_text),
         Invoices::LateNotice => @rich_text_templates.where(key: :invoices_late_notice_text),
diff --git a/app/domain/booking_actions/email_contract.rb b/app/domain/booking_actions/email_contract.rb
index 708134149..49a79bd8c 100644
--- a/app/domain/booking_actions/email_contract.rb
+++ b/app/domain/booking_actions/email_contract.rb
@@ -7,11 +7,12 @@ class EmailContract < Base
 
     delegate :contract, to: :booking
 
-    def invoke!(invoice_ids: invoices.map(&:id), current_user: nil)
+    def invoke!(invoice_ids: invoices.map(&:id), quote_ids: quotes.map(&:id), current_user: nil)
       invoices = self.invoices.where(id: invoice_ids)
-      mail = send_tenant_notification(invoices)
+      quotes = self.quotes.where(id: quote_ids)
+      mail = send_tenant_notification(invoices, quotes)
 
-      send_operator_notification(invoices)
+      send_operator_notification(invoices, quotes)
 
       Result.success redirect_proc: mail&.autodeliver_with_redirect_proc
     end
@@ -25,10 +26,12 @@ def invokable_with(current_user: nil)
       return unless invokable?(current_user:)
 
       invoice_ids = invoices.map(&:to_param)
+      quote_ids = quotes.map(&:to_param)
       if invoices.any?
-        { label: translate(:label_with_invoice), params: { invoice_ids: } }
+        { label: translate(:label_with_invoice), params: { invoice_ids:, quote_ids: } }
       else
-        { label: translate(:label_without_invoice), confirm: translate(:confirm), params: { invoice_ids: [] } }
+        { label: translate(:label_without_invoice), confirm: translate(:confirm),
+          params: { invoice_ids: [], quote_ids: [] } }
       end
     end
 
@@ -36,29 +39,35 @@ def invoices
       @invoices ||= booking.invoices.kept.unsent
     end
 
+    def quotes
+      @quotes ||= booking.quotes.unsent
+    end
+
     def invoke_schema
       Dry::Schema.Params do
         optional(:invoice_ids).array(:string)
+        optional(:quote_ids).array(:string)
       end
     end
 
     protected
 
-    def send_tenant_notification(invoices)
-      context = { contract:, invoices: }
+    def send_tenant_notification(invoices, quotes)
+      context = { contract:, invoices:, quotes: }
       MailTemplate.use!(:email_contract_notification, booking, to: :tenant, context:) do |mail|
         mail.attach :contract, invoices
         mail.save!
         invoices.each { it.update!(sent_with_notification: mail) }
+        quotes.each { it.update!(sent_with_notification: mail) }
         contract.update!(sent_with_notification: mail)
       end
     end
 
-    def send_operator_notification(invoices)
-      context = { contract:, invoices: }
+    def send_operator_notification(invoices, quotes)
+      context = { contract:, invoices:, quotes: }
       Notification.dedup(booking, to: %i[billing home_handover home_return]) do |to|
         MailTemplate.use(:operator_email_contract_notification, booking, to:, context:)&.tap do |mail|
-          mail.attach contract, invoices
+          mail.attach contract, invoices, quotes
           mail.autodeliver!
         end
       end
diff --git a/app/domain/booking_actions/email_offer.rb b/app/domain/booking_actions/email_offer.rb
deleted file mode 100644
index 04e664ffd..000000000
--- a/app/domain/booking_actions/email_offer.rb
+++ /dev/null
@@ -1,47 +0,0 @@
-# frozen_string_literal: true
-
-module BookingActions
-  class EmailOffer < Base
-    use_mail_template(:email_offer_notification, context: %i[booking offer], optional: true, autodeliver: false)
-
-    def invoke!(offer_id:, current_user: nil)
-      offer = booking.organisation.invoices.find_by(type: Invoices::Offer.sti_name, id: offer_id)
-      mail = send_tenant_notification(offer)
-
-      Result.success redirect_proc: mail&.autodeliver_with_redirect_proc
-    end
-
-    def invokable?(offer_id:, current_user: nil)
-      booking.notifications_enabled && booking.tenant.email.present? && unsent_offers.exists?(id: offer_id)
-    end
-
-    def invokable_with(current_user: nil)
-      unsent_offers.filter_map do |offer|
-        next unless invokable?(offer_id: offer.id, current_user:)
-
-        { label:, params: { offer_id: offer.to_param } }
-      end
-    end
-
-    def invoke_schema
-      Dry::Schema.Params do
-        optional(:offer_id).filled(:string)
-      end
-    end
-
-    protected
-
-    def send_tenant_notification(offer)
-      context = { offer: }
-      MailTemplate.use!(:email_offer_notification, booking, to: :tenant, context:).tap do |mail|
-        mail.attach(offer)
-        mail.save!
-        offer.update!(sent_at: Time.zone.now)
-      end
-    end
-
-    def unsent_offers
-      booking.invoices.where(type: Invoices::Offer.sti_name).kept.unsent
-    end
-  end
-end
diff --git a/app/domain/booking_actions/email_quote.rb b/app/domain/booking_actions/email_quote.rb
new file mode 100644
index 000000000..d2c1819a1
--- /dev/null
+++ b/app/domain/booking_actions/email_quote.rb
@@ -0,0 +1,47 @@
+# frozen_string_literal: true
+
+module BookingActions
+  class EmailQuote < Base
+    use_mail_template(:email_quote_notification, context: %i[booking quote], optional: true, autodeliver: false)
+
+    def invoke!(quote_id:, current_user: nil)
+      quote = booking.organisation.quotes.find_by(id: quote_id)
+      mail = send_tenant_notification(quote)
+
+      Result.success redirect_proc: mail&.autodeliver_with_redirect_proc
+    end
+
+    def invokable?(quote_id:, current_user: nil)
+      booking.notifications_enabled && booking.tenant.email.present? && unsent_quotes.exists?(id: quote_id)
+    end
+
+    def invokable_with(current_user: nil)
+      unsent_quotes.filter_map do |quote|
+        next unless invokable?(quote_id: quote.id, current_user:)
+
+        { label:, params: { quote_id: quote.to_param } }
+      end
+    end
+
+    def invoke_schema
+      Dry::Schema.Params do
+        optional(:quote_id).filled(:string)
+      end
+    end
+
+    protected
+
+    def send_tenant_notification(quote)
+      context = { quote: }
+      MailTemplate.use!(:email_quote_notification, booking, to: :tenant, context:).tap do |mail|
+        mail.attach(quote)
+        mail.save!
+        quote.update!(sent_at: Time.zone.now)
+      end
+    end
+
+    def unsent_quotes
+      booking.quotes.kept.unsent
+    end
+  end
+end
diff --git a/app/domain/booking_flows/default.rb b/app/domain/booking_flows/default.rb
index c429ee82b..63324e19c 100644
--- a/app/domain/booking_flows/default.rb
+++ b/app/domain/booking_flows/default.rb
@@ -60,7 +60,7 @@ def self.manage_actions # rubocop:disable Metrics/MethodLength
         mark_contract_sent: BookingActions::MarkContractSent,
         mark_invoices_refunded: BookingActions::MarkInvoicesRefunded,
         email_invoice: BookingActions::EmailInvoice,
-        email_offer: BookingActions::EmailOffer,
+        email_quote: BookingActions::EmailQuote,
         postpone_deadline: BookingActions::PostponeDeadline,
         mark_contract_signed: BookingActions::MarkContractSigned,
         commit_request: BookingActions::CommitRequest,
diff --git a/app/domain/booking_states/provisional_request.rb b/app/domain/booking_states/provisional_request.rb
index 4fc31654f..b4bd1a427 100644
--- a/app/domain/booking_states/provisional_request.rb
+++ b/app/domain/booking_states/provisional_request.rb
@@ -7,7 +7,7 @@ class ProvisionalRequest < Base
     include Rails.application.routes.url_helpers
 
     def checklist
-      BookingStateChecklistItem.prepare(:offer_created, booking:)
+      BookingStateChecklistItem.prepare(:quote_created, booking:)
     end
 
     def self.to_sym
diff --git a/app/models/booking.rb b/app/models/booking.rb
index 06634fc7b..b61109a46 100644
--- a/app/models/booking.rb
+++ b/app/models/booking.rb
@@ -52,7 +52,7 @@ class Booking < ApplicationRecord # rubocop:disable Metrics/ClassLength
   ROLES = (%i[organisation tenant booking_agent] + OperatorResponsibility::RESPONSIBILITIES.keys).freeze
   LIMIT = ENV.fetch('RECORD_LIMIT', 250)
   DEFAULT_INCLUDES = [:organisation, :state_transitions, :invoices, :contracts, :payments, :booking_agent,
-                      :category, :logs, :home,
+                      :category, :logs, :home, :quotes,
                       { tenant: :organisation, deadline: :booking, occupancies: :occupiable,
                         agent_booking: %i[booking_agent organisation],
                         booking_question_responses: :booking_question }].freeze
@@ -64,6 +64,7 @@ class Booking < ApplicationRecord # rubocop:disable Metrics/ClassLength
                         foreign_key: :booking_category_id
 
   has_many :invoices, dependent: :destroy
+  has_many :quotes, dependent: :destroy
   has_many :payments, dependent: :destroy
   has_many :notifications, dependent: :destroy, inverse_of: :booking, autosave: true, validate: false
   has_many :usages, -> { ordered }, dependent: :destroy, inverse_of: :booking
diff --git a/app/models/booking_condition.rb b/app/models/booking_condition.rb
index 416ef066b..106b23367 100644
--- a/app/models/booking_condition.rb
+++ b/app/models/booking_condition.rb
@@ -52,7 +52,9 @@ def initialize_copy(origin)
   end
 
   def self.one_of
-    StoreModel.one_of { |json| subtypes[(json[:type].presence || json['type'].presence)&.to_sym] || BookingCondition }
+    StoreModel.one_of do |json|
+      subtypes[(json&.[](:type).presence || json&.[]('type').presence)&.to_sym] || BookingCondition
+    end
   end
 
   def self.options_for_select(organisation)
diff --git a/app/models/booking_state_checklist_item.rb b/app/models/booking_state_checklist_item.rb
index dcff582eb..7cf585d61 100644
--- a/app/models/booking_state_checklist_item.rb
+++ b/app/models/booking_state_checklist_item.rb
@@ -70,17 +70,17 @@ class BookingStateChecklistItem
       BookingStateChecklistItem.new(key: :deposit_created, context: { booking: }, checked:, url:)
     end,
 
-    offer_created: lambda do |booking|
-      return if booking.organisation.rich_text_templates.enabled.by_key(:invoices_offer_text).blank?
+    quote_created: lambda do |booking|
+      return if booking.organisation.rich_text_templates.enabled.by_key(:quote_text).blank?
 
-      checked = Invoices::Offer.of(booking).kept.exists?
+      checked = booking.quotes.kept.exists?
       url = if checked
-              proc { manage_booking_invoices_path(it.booking) }
+              proc { manage_booking_quotes_path(it.booking) }
             else
-              proc { new_manage_booking_invoice_path(it.booking, invoice: { type: Invoices::Offer.model_name.to_s }) }
+              proc { new_manage_booking_quote_path(it.booking) }
             end
 
-      BookingStateChecklistItem.new(key: :offer_created, context: { booking: }, checked:, url:)
+      BookingStateChecklistItem.new(key: :quote_created, context: { booking: }, checked:, url:)
     end,
 
     responsibilities_assigned: lambda do |booking|
diff --git a/app/models/invoice.rb b/app/models/invoice.rb
index 6fdc18dee..3365986af 100644
--- a/app/models/invoice.rb
+++ b/app/models/invoice.rb
@@ -58,12 +58,11 @@ class Invoice < ApplicationRecord
   attribute :items, Invoice::Item.one_of.to_array_type
 
   scope :ordered,   -> { order(payable_until: :ASC, created_at: :ASC) }
-  scope :not_offer, -> { where.not(type: 'Invoices::Offer') }
   scope :sent,      -> { where.not(sent_at: nil) }
   scope :unsent,    -> { kept.where(sent_at: nil) }
-  scope :overdue,   ->(at = Time.zone.today) { kept.not_offer.where(arel_table[:payable_until].lteq(at)) }
+  scope :overdue,   ->(at = Time.zone.today) { kept.where(arel_table[:payable_until].lteq(at)) }
   scope :of,        ->(booking) { where(booking:) }
-  scope :unsettled, -> { kept.not_offer.where(status: %i[outstanding refund]) }
+  scope :unsettled, -> { kept.where(status: %i[outstanding refund]) }
   scope :with_default_includes, -> { includes(%i[payments organisation]) }
 
   accepts_nested_attributes_for :items, reject_if: :all_blank, allow_destroy: true
diff --git a/app/models/invoice/factory.rb b/app/models/invoice/factory.rb
index cb9aa3012..31a6262f4 100644
--- a/app/models/invoice/factory.rb
+++ b/app/models/invoice/factory.rb
@@ -4,7 +4,6 @@ class Invoice
   class Factory
     RichTextTemplate.define(:invoices_deposit_text, context: %i[booking invoice])
     RichTextTemplate.define(:invoices_invoice_text, context: %i[booking invoice])
-    RichTextTemplate.define(:invoices_offer_text, context: %i[booking invoice])
     RichTextTemplate.define(:invoices_late_notice_text, context: %i[booking invoice])
 
     def initialize(booking)
@@ -44,8 +43,6 @@ def prepare_to_supersede(invoice)
     end
 
     def payment_info_type(invoice)
-      return if invoice.type.to_s == Invoices::Offer.to_s
-
       booking = invoice.booking
       country_code = booking.tenant&.country_code&.upcase
       return PaymentInfos::ForeignPaymentInfo if country_code && country_code != booking.organisation.country_code
diff --git a/app/models/invoice/item.rb b/app/models/invoice/item.rb
index 6748d7c0d..ec434574d 100644
--- a/app/models/invoice/item.rb
+++ b/app/models/invoice/item.rb
@@ -22,7 +22,7 @@ class Item
     attribute :deposit_id
     attribute :vat_category_id
 
-    delegate :booking, :organisation, to: :invoice, allow_nil: true
+    delegate :booking, :organisation, to: :parent, allow_nil: true
 
     validates :type, presence: true, inclusion: { in: ->(_) { Invoice::Item.subtypes.keys.map(&:to_s) } }
     validates :id, presence: true
@@ -38,7 +38,11 @@ def type
     end
 
     def invoice
-      parent
+      parent if parent.is_a?(Invoice)
+    end
+
+    def quote
+      parent if parent.is_a?(Quote)
     end
 
     def invoice=(value)
@@ -46,7 +50,7 @@ def invoice=(value)
     end
 
     def usage
-      @usage ||= invoice&.booking&.usages&.find_by(id: usage_id) if usage_id.present?
+      @usage ||= parent&.booking&.usages&.find_by(id: usage_id) if usage_id.present?
     end
 
     def tarif
@@ -62,7 +66,7 @@ def vat_category=(value)
     end
 
     def vat_category
-      @vat_category ||= invoice&.organisation&.vat_categories&.find_by(id: vat_category_id) if vat_category_id.present?
+      @vat_category ||= parent&.organisation&.vat_categories&.find_by(id: vat_category_id) if vat_category_id.present?
     end
 
     def calculated_amount
@@ -75,7 +79,7 @@ def vat_breakdown
 
     def accounting_cost_center_nr
       @accounting_cost_center_nr ||= if super.to_s == 'home'
-                                       invoice.booking.home&.settings&.accounting_cost_center_nr.presence
+                                       parent.booking.home&.settings&.accounting_cost_center_nr.presence
                                      else
                                        super.presence
                                      end
@@ -87,7 +91,7 @@ def to_sum(sum)
 
     def self.one_of
       StoreModel.one_of do |json|
-        subtypes[(json[:type].presence || json['type'].presence)&.to_sym] || Item
+        subtypes[(json&.[](:type).presence || json&.[]('type').presence)&.to_sym] || Item
       end
     end
   end
diff --git a/app/models/invoice/item_factory.rb b/app/models/invoice/item_factory.rb
index b0246c567..1cc9b428f 100644
--- a/app/models/invoice/item_factory.rb
+++ b/app/models/invoice/item_factory.rb
@@ -2,16 +2,18 @@
 
 class Invoice
   class ItemFactory
-    attr_reader :invoice
+    attr_reader :parent
 
-    delegate :booking, :organisation, to: :invoice
+    delegate :booking, :organisation, to: :parent
 
-    def initialize(invoice)
-      @invoice = invoice
+    def initialize(parent)
+      @parent = parent
     end
 
     def build
-      I18n.with_locale(invoice.locale || I18n.locale) do
+      I18n.with_locale(parent.locale || I18n.locale) do
+        next build_from_usage_groups.compact if parent.is_a?(Quote)
+
         [
           build_from_deposits.presence,
           build_from_balance.presence,
@@ -23,7 +25,7 @@ def build
 
     protected
 
-    def build_from_usage_groups(usages = booking.usages.ordered.where.not(id: invoice.items.map(&:usage_id)))
+    def build_from_usage_groups(usages = booking.usages.ordered.where.not(id: parent.items.map(&:usage_id)))
       usages.group_by(&:tarif_group).filter_map do |label, grouped_usages|
         usage_group_items = grouped_usages.map { build_from_usage(it) }.compact
         next unless usage_group_items.any?
@@ -46,7 +48,7 @@ def build_from_balance
 
     def build_item(**attributes)
       item_class = attributes.delete(:class) || ::Invoice::Items::Add
-      item_class.new(invoice: invoice, suggested: true, **attributes)
+      item_class.new(parent:, suggested: true, **attributes)
     end
 
     def build_title(**attributes)
@@ -54,7 +56,7 @@ def build_title(**attributes)
     end
 
     def deposits
-      booking.invoices.deposits.kept.where.not(id: invoice.id)
+      booking.invoices.deposits.kept.where.not(id: parent.id)
     end
 
     def build_from_deposits # rubocop:disable Metrics/AbcSize
@@ -72,11 +74,11 @@ def build_from_deposits # rubocop:disable Metrics/AbcSize
     end
 
     def build_from_supersede_invoice
-      @invoice.supersede_invoice&.items&.map(&:dup) if @invoice.new_record?
+      parent.supersede_invoice&.items&.map(&:dup) if parent.new_record?
     end
 
     def build_from_usage(usage)
-      return unless usage.tarif&.associated_types&.include?(Tarif::ASSOCIATED_TYPES.key(invoice.class))
+      return unless usage.tarif&.associated_types&.include?(Tarif::ASSOCIATED_TYPES.key(parent.class))
 
       case usage.tarif
       when Tarifs::OvernightStay
diff --git a/app/models/invoice/items/add.rb b/app/models/invoice/items/add.rb
index 8969c4118..9924a5712 100644
--- a/app/models/invoice/items/add.rb
+++ b/app/models/invoice/items/add.rb
@@ -13,13 +13,18 @@ def calculated_amount
       end
 
       def accounting_account_nr_required?
-        !to_sum(0).zero? && organisation&.accounting_settings&.enabled &&
-          (invoice.new_record? || invoice.created_at&.>(Time.zone.local(2025, 6, 1))) # TODO: remove after a year
+        parent.is_a?(Invoice) && !to_sum(0).zero? && organisation&.accounting_settings&.enabled &&
+          !legacy_invoice?
       end
 
       def vat_category_required?
-        !to_sum(0).zero? && organisation&.accounting_settings&.liable_for_vat &&
-          (invoice.new_record? || invoice.created_at&.>(Time.zone.local(2025, 6, 1))) # TODO: remove after a year
+        parent.is_a?(Invoice) && !to_sum(0).zero? && organisation&.accounting_settings&.liable_for_vat &&
+          !legacy_invoice?
+      end
+
+      # TODO: remove after a year
+      def legacy_invoice?
+        parent.is_a?(Invoice) && (parent&.new_record? || parent&.created_at&.>(Time.zone.local(2025, 6, 1)))
       end
     end
   end
diff --git a/app/models/notification.rb b/app/models/notification.rb
index a30d7ac60..e9a2d6e1d 100644
--- a/app/models/notification.rb
+++ b/app/models/notification.rb
@@ -30,6 +30,7 @@ class Notification < ApplicationRecord
   has_one :organisation, through: :booking
   has_many :contracts, foreign_key: :sent_with_notification_id, inverse_of: :sent_with_notification, dependent: :nullify
   has_many :invoices, foreign_key: :sent_with_notification_id, inverse_of: :sent_with_notification, dependent: :nullify
+  has_many :quotes, foreign_key: :sent_with_notification_id, inverse_of: :sent_with_notification, dependent: :nullify
 
   scope :unsent, -> { where(sent_at: nil) }
   before_save :deliver_to
@@ -51,6 +52,7 @@ def deliver
 
     contracts.each { it.update(sent_at:) }
     invoices.each { it.update(sent_at:) }
+    quotes.each { it.update(sent_at:) }
     message_delivery.tap(&:deliver_later)
   end
 
diff --git a/app/models/organisation.rb b/app/models/organisation.rb
index c831435cb..de7a565ca 100644
--- a/app/models/organisation.rb
+++ b/app/models/organisation.rb
@@ -58,6 +58,7 @@ class Organisation < ApplicationRecord
   has_many :booking_questions, dependent: :destroy, inverse_of: :organisation
   has_many :payments, through: :bookings
   has_many :invoices, through: :bookings
+  has_many :quotes, through: :bookings
   has_many :journal_entry_batches, through: :invoices
   has_many :notifications, through: :bookings
   has_many :organisation_users, dependent: :destroy
diff --git a/app/models/quote.rb b/app/models/quote.rb
new file mode 100644
index 000000000..cc04584f6
--- /dev/null
+++ b/app/models/quote.rb
@@ -0,0 +1,112 @@
+# frozen_string_literal: true
+
+# == Schema Information
+#
+# Table name: quotes
+#
+#  id                        :bigint           not null, primary key
+#  amount                    :decimal(, )      default(0.0)
+#  discarded_at              :datetime
+#  issued_at                 :datetime
+#  items                     :jsonb
+#  locale                    :string
+#  ref                       :string
+#  sent_at                   :datetime
+#  sequence_number           :integer
+#  sequence_year             :integer
+#  text                      :text
+#  valid_until               :datetime
+#  created_at                :datetime         not null
+#  updated_at                :datetime         not null
+#  booking_id                :uuid
+#  sent_with_notification_id :bigint
+#
+
+class Quote < ApplicationRecord
+  extend RichTextTemplate::Definition
+  include Subtypeable
+  include Discard::Model
+  include StoreModel::NestedAttributes
+
+  locale_enum default: I18n.locale
+  delegate :currency, to: :organisation
+
+  belongs_to :booking, inverse_of: :invoices, touch: true
+  belongs_to :sent_with_notification, class_name: 'Notification', optional: true
+  has_one :organisation, through: :booking
+  has_one_attached :pdf
+
+  attr_accessor :skip_generate_pdf
+
+  attribute :items, Invoice::Item.one_of.to_array_type
+
+  scope :ordered,   -> { order(valid_until: :ASC, created_at: :ASC) }
+  scope :sent,      -> { where.not(sent_at: nil) }
+  scope :unsent,    -> { kept.where(sent_at: nil) }
+
+  accepts_nested_attributes_for :items, reject_if: :all_blank, allow_destroy: true
+
+  before_save :sequence_number, :generate_ref, :recalculate
+  before_save :generate_pdf, if: :generate_pdf?
+
+  validates :items, store_model: true
+
+  def items
+    super || self.items = []
+  end
+
+  def generate_pdf?
+    kept? && !skip_generate_pdf && (changed? || pdf.blank?)
+  end
+
+  def sequence_number
+    self[:sequence_number] ||= organisation.key_sequences.key(Quote.sti_name, year: sequence_year).lease!
+  end
+
+  def sequence_year
+    self[:sequence_year] ||= created_at&.year || Time.zone.today.year
+  end
+
+  def generate_pdf
+    I18n.with_locale(locale || I18n.locale) do
+      self.pdf = { io: StringIO.new(Export::Pdf::InvoicePdf.new(self).render_document),
+                   filename:, content_type: 'application/pdf' }
+    end
+  end
+
+  def generate_ref(force: false)
+    self.ref = RefBuilders::Invoice.new(self).generate if ref.blank? || force
+  end
+
+  def sent?
+    sent_at.present?
+  end
+
+  def recalculate
+    self.amount = items.reduce(0) { |sum, item| item.to_sum(sum) } || 0
+  end
+
+  def filename
+    "#{self.class.model_name.human} #{ref}.pdf"
+  end
+
+  def sent!
+    update(sent_at: Time.zone.now)
+  end
+
+  def to_s
+    ref
+  end
+
+  def invoice_address
+    @invoice_address ||= InvoiceAddress.new(booking)
+  end
+
+  def to_attachable
+    { io: StringIO.new(pdf.blob.download), filename:, content_type: pdf.content_type } if pdf&.blob.present?
+  end
+
+  def vat_breakdown
+    items.group_by(&:vat_category).except(nil).transform_values { it.sum(&:calculated_amount) } || {}
+  end
+end
diff --git a/app/models/tarif.rb b/app/models/tarif.rb
index 66b037803..5f9e0dbce 100644
--- a/app/models/tarif.rb
+++ b/app/models/tarif.rb
@@ -34,7 +34,7 @@
 
 class Tarif < ApplicationRecord
   ASSOCIATED_TYPES = { deposit: Invoices::Deposit, invoice: Invoices::Invoice, late_notice: Invoices::LateNotice,
-                       offer: Invoices::Offer, contract: ::Contract }.freeze
+                       quote: Quote, contract: ::Contract }.freeze
   PREFILL_METHODS = {
     flat: -> { 1 },
     days: -> { booking.nights + 1 },
diff --git a/app/params/manage/quote_params.rb b/app/params/manage/quote_params.rb
new file mode 100644
index 000000000..af9af92b8
--- /dev/null
+++ b/app/params/manage/quote_params.rb
@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+
+module Manage
+  class QuoteParams < ApplicationParams
+    def self.permitted_keys
+      %i[type text booking_id issued_at sent_at valid_until ref locale] +
+        [{ items_attributes: %i[id usage_id label breakdown amount type vat_category_id deposit_id
+                                label_title accounting_account_nr accounting_cost_center_nr suggested ] }]
+    end
+
+    sanitize do |params|
+      params[:text] = RichTextSanitizer.sanitize(params[:text]) if params[:text].present?
+      params
+    end
+  end
+end
diff --git a/app/serializers/manage/invoice_serializer.rb b/app/serializers/manage/invoice_serializer.rb
index 93f72295e..37d2a89b1 100644
--- a/app/serializers/manage/invoice_serializer.rb
+++ b/app/serializers/manage/invoice_serializer.rb
@@ -6,5 +6,7 @@ class InvoiceSerializer < ApplicationSerializer
     fields :type, :text, :issued_at, :payable_until, :sent_at, :booking_id,
            :amount_paid, :percentage_paid, :amount, :locale, :payment_required,
            :ref, :payment_ref
+
+    association :items, blueprint: Manage::InvoiceItemSerializer
   end
 end
diff --git a/app/serializers/manage/quote_serializer.rb b/app/serializers/manage/quote_serializer.rb
new file mode 100644
index 000000000..184e787df
--- /dev/null
+++ b/app/serializers/manage/quote_serializer.rb
@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+module Manage
+  class QuoteSerializer < ApplicationSerializer
+    identifier :id
+    fields :text, :issued_at, :valid_until, :sent_at, :booking_id, :amount, :locale, :ref
+
+    association :items, blueprint: Manage::InvoiceItemSerializer
+  end
+end
diff --git a/app/services/attachment_manager.rb b/app/services/attachment_manager.rb
index ea7b2dc36..652a66b3c 100644
--- a/app/services/attachment_manager.rb
+++ b/app/services/attachment_manager.rb
@@ -5,7 +5,7 @@ class AttachmentManager
     unsent_deposits: ->(booking) { booking.invoices.deposit.unsent },
     unsent_invoices: ->(booking) { booking.invoices.invoice.unsent },
     unsent_late_notices: ->(booking) { booking.invoices.late_notice.unsent },
-    unsent_offers: ->(booking) { booking.invoices.offers.unsent },
+    unsent_quotes: ->(booking) { booking.quotes.unsent },
     contract: ->(booking) { booking.contract }
   }.freeze
 
diff --git a/app/services/export/pdf/invoice_pdf.rb b/app/services/export/pdf/invoice_pdf.rb
index be3cc7747..bcc9dc2d2 100644
--- a/app/services/export/pdf/invoice_pdf.rb
+++ b/app/services/export/pdf/invoice_pdf.rb
@@ -11,17 +11,17 @@ class InvoicePdf < Base
         PaymentInfos::TextPaymentInfo => Renderables::Invoice::TextPaymentInfo,
         PaymentInfos::OnArrival => nil
       }.freeze
-      attr_reader :invoice
+      attr_reader :parent
 
-      delegate :booking, :organisation, :payment_info, :invoice_address, to: :invoice
+      delegate :booking, :organisation, :invoice_address, to: :parent
 
-      def initialize(invoice)
+      def initialize(parent)
         super()
-        @invoice = invoice
+        @parent = parent
       end
 
       to_render do
-        render Renderables::PageHeader.new(text: invoice.ref || booking.ref, logo: organisation.logo)
+        render Renderables::PageHeader.new(text: parent.ref || booking.ref, logo: organisation.logo)
       end
 
       to_render do
@@ -36,26 +36,29 @@ def initialize(invoice)
       end
 
       to_render do
-        next if invoice.is_a?(Invoices::Offer)
+        next unless parent.is_a?(Invoice)
 
         font_size(9) do
-          text "#{::Invoice.human_attribute_name(:ref)}: #{invoice.ref}" if invoice.ref.present?
-          text "#{::Invoice.human_attribute_name(:sent_at)}: #{I18n.l(invoice.sent_at&.to_date || Time.zone.today)}"
-          if invoice.payable_until
-            text "#{::Invoice.human_attribute_name(:payable_until)}: #{I18n.l(invoice.payable_until.to_date)}"
+          text "#{::Invoice.human_attribute_name(:ref)}: #{parent.ref}" if parent.ref.present?
+          text "#{::Invoice.human_attribute_name(:sent_at)}: #{I18n.l(parent.sent_at&.to_date || Time.zone.today)}"
+          if parent.payable_until
+            text "#{::Invoice.human_attribute_name(:payable_until)}: #{I18n.l(parent.payable_until.to_date)}"
           end
-          text "#{::Booking.human_attribute_name(:ref)}: #{invoice.booking.ref}"
+          text "#{::Booking.human_attribute_name(:ref)}: #{parent.booking.ref}"
         end
       end
 
       to_render do
-        special_tokens = { TARIFS: -> { render Renderables::Invoice::ItemsTable.new(invoice) } }
-        slices = Renderables::RichText.split(invoice.text, special_tokens)
+        special_tokens = { TARIFS: -> { render Renderables::Invoice::ItemsTable.new(parent) } }
+        slices = Renderables::RichText.split(parent.text, special_tokens)
         slices.each { render it }
       end
 
       to_render do
-        payment_info_renerable = payment_info&.show? && PAYMENT_INFOS.fetch(payment_info.class)&.new(payment_info)
+        next unless parent.is_a?(Invoice)
+
+        payment_info_renerable = parent.payment_info&.show? &&
+                                 PAYMENT_INFOS.fetch(parent.payment_info.class)&.new(parent.payment_info)
         render payment_info_renerable if payment_info_renerable
       end
     end
diff --git a/app/services/quote_factory.rb b/app/services/quote_factory.rb
new file mode 100644
index 000000000..835133c01
--- /dev/null
+++ b/app/services/quote_factory.rb
@@ -0,0 +1,38 @@
+# frozen_string_literal: true
+
+class QuoteFactory
+  RichTextTemplate.define(:quote_text, context: %i[booking quote])
+
+  def initialize(booking)
+    @booking = booking
+  end
+
+  def build(suggest_items: false, **attributes)
+    Quote.new(defaults.merge(attributes)).tap do |quote|
+      quote.text ||= text_from_template(quote)
+      quote.items ||= []
+      quote.items += Invoice::ItemFactory.new(quote).build if suggest_items
+    end
+  end
+
+  def defaults
+    {
+      issued_at: Time.zone.today, booking: @booking, locale: @booking.locale || I18n.locale
+    }
+  end
+
+  protected
+
+  def text_from_template(quote)
+    quote.organisation.rich_text_templates.enabled.by_key(:quote_text)
+         &.interpolate(template_context(quote), locale: quote.locale)
+         &.body
+  end
+
+  def template_context(quote)
+    TemplateContext.new(
+      quote:, invoice: quote, booking: @booking,
+      costs: CostEstimation.new(@booking), organisation: @booking.organisation
+    )
+  end
+end
diff --git a/app/services/template_context.rb b/app/services/template_context.rb
index 667e2b0c4..d2e282a44 100644
--- a/app/services/template_context.rb
+++ b/app/services/template_context.rb
@@ -7,6 +7,7 @@ class TemplateContext
     Home => Manage::HomeSerializer,
     Payment => Manage::PaymentSerializer,
     Invoice => Manage::InvoiceSerializer,
+    Quote => Manage::QuoteSerializer,
     ::Invoice::Item => Manage::InvoiceItemSerializer,
     JournalEntryBatch => Manage::JournalEntryBatchSerializer,
     JournalEntryBatch::Entry => Manage::JournalEntrySerializer,
diff --git a/app/views/manage/bookings/_navigation.html.slim b/app/views/manage/bookings/_navigation.html.slim
index 1349a11d2..4baae7a23 100644
--- a/app/views/manage/bookings/_navigation.html.slim
+++ b/app/views/manage/bookings/_navigation.html.slim
@@ -15,6 +15,9 @@
         li.nav-item
           a.nav-link[href=manage_booking_contracts_path(booking) class=('active' if active == :contracts)]
             = Contract.model_name.human(count: 2)
+        li.nav-item
+          a.nav-link[href=manage_booking_quotes_path(booking) class=('active' if active == :quotes)]
+            = Quote.model_name.human(count: 2)
         li.nav-item
           a.nav-link[href=manage_booking_invoices_path(booking) class=('active' if active == :invoices)]
             = Invoice.model_name.human(count: 2)
diff --git a/app/views/manage/invoices/index.html.slim b/app/views/manage/invoices/index.html.slim
index 7eaa9f616..18fea1d0a 100644
--- a/app/views/manage/invoices/index.html.slim
+++ b/app/views/manage/invoices/index.html.slim
@@ -100,16 +100,14 @@
             td.align-middle
               - unless invoice.void?
                 .text-end= number_to_currency(invoice.amount)
-
-                - unless invoice.is_a?(Invoices::Offer)
-                  .text-end= number_to_currency(-invoice.amount_paid)
-                  .text-end.border-top.mt-1
-                    - if invoice.balance.negative?
-                      .text-warning= number_to_currency(invoice.balance)
-                    - elsif invoice.balance.zero?
-                      .text-success= number_to_currency(invoice.balance)
-                    - else
-                      .text-danger= number_to_currency(invoice.balance)
+                .text-end= number_to_currency(-invoice.amount_paid)
+                .text-end.border-top.mt-1
+                  - if invoice.balance.negative?
+                    .text-warning= number_to_currency(invoice.balance)
+                  - elsif invoice.balance.zero?
+                    .text-success= number_to_currency(invoice.balance)
+                  - else
+                    .text-danger= number_to_currency(invoice.balance)
 
             td.py-1.text-end.align-middle
               - if can?(:manage, invoice)
diff --git a/app/views/manage/quotes/_form.html.slim b/app/views/manage/quotes/_form.html.slim
new file mode 100644
index 000000000..2b4f42545
--- /dev/null
+++ b/app/views/manage/quotes/_form.html.slim
@@ -0,0 +1,25 @@
+= form_with(model: [:manage, @booking, @quote], local: true, html: { novalidate: true }) do |f|
+
+  fieldset[v-pre]
+    = f.hidden_field :booking_id
+    .row 
+      .col-md-6
+        = f.date_field :issued_at, lang: I18n.locale, help: t('optional')
+      .col-md-6
+        = f.date_field :valid_until, lang: I18n.locale
+
+    = f.text_area :text, class: 'rich-text-area'
+
+    label.mb-2= ::Invoice::Item.model_name.human(count: 2)
+    - if @quote.errors.key?(:items)
+      p.invalid-feedback.d-block= @quote.errors.messages_for(:items).to_sentence.presence
+    = react_component('InvoiceItemsContainer', { \ 
+      value: Manage::InvoiceItemSerializer.render_as_hash(@quote.items || [], view: :with_errors), \
+      name: f.field_name(:items_attributes), \
+      optionsForSelect: {  \
+        vatCategories: Public::VatCategorySerializer.render_as_hash(current_organisation.vat_categories) \
+      } \
+    }) 
+
+  .form-actions.pt-4.mt-3
+    = f.submit class: 'btn btn-primary'
diff --git a/app/views/manage/quotes/edit.html.slim b/app/views/manage/quotes/edit.html.slim
new file mode 100644
index 000000000..6effcc675
--- /dev/null
+++ b/app/views/manage/quotes/edit.html.slim
@@ -0,0 +1,7 @@
+= render partial: 'manage/bookings/navigation', locals: { active: :quotes, booking: @booking }
+
+.row.justify-content-center
+  .col-lg-10
+    .card.shadow-sm
+      .card-body
+        == render 'form'
diff --git a/app/views/manage/quotes/index.html.slim b/app/views/manage/quotes/index.html.slim
new file mode 100644
index 000000000..bd6fb8625
--- /dev/null
+++ b/app/views/manage/quotes/index.html.slim
@@ -0,0 +1,73 @@
+- if @booking
+  - title "#{Booking.model_name.human} #{@booking.to_s} - #{Quote.model_name.human(count: 2)}"
+  = render partial: 'manage/bookings/navigation', locals: { active: :quotes, booking: @booking }
+- else 
+  h1.my-0= Quote.model_name.human(count: 2)
+
+- if @booking&.quotes&.none?
+  p.text-center.my-5
+    = t(:no_records_yet, model_name: Quote.model_name.human(count: 2))
+    =<> link_to(t(:add_record, model_name: Quote.model_name.human), new_manage_booking_quote_path(@booking) )
+
+- else
+  .table-responsive
+    table.table.table-hover.align-middle
+      thead
+        tr
+          - unless @booking
+            th= Booking.model_name.human
+          th= Quote.model_name.human
+          th= Quote.human_attribute_name(:issued_at)
+          th= Quote.human_attribute_name(:valid_until)
+          th
+            .text-end= Quote.human_attribute_name(:amount)
+          th
+
+      tbody.shadow-sm
+        - @quotes.each do |quote|
+          tr[data-href=manage_quote_path(quote) class=('disabled' if quote.discarded?)]
+            - unless @booking
+              td= link_to quote.booking, manage_booking_path(quote.booking)
+            td.align-middle
+              - if quote.pdf.attached?
+                = link_to manage_quote_path(quote, format: :pdf), target: :_blank do
+                  = quote.ref || quote.payment_ref
+                  span.ms-2.fa.fa-print
+              - else
+                = link_to (quote.ref), manage_quote_path(quote)
+            td.align-middle
+              - if quote.issued_at.present?
+                = l(quote.issued_at, format: :date)
+              - if quote.sent?
+                span.badge.badge-pill.bg-success.ms-1
+                  span.fa.fa-envelope-open.text-white[title="#{Quote.human_attribute_name(:sent_at)}: #{l(quote.sent_at)}"]
+            td.align-middle
+              - if quote.valid_until.present?
+                - if quote.valid_until.past? && !quote.paid?
+                  .text-danger= l(quote.valid_until, format: :date)
+                  .text-danger= distance_of_time_in_words_to_now(quote.valid_until)
+                - else
+                  div=l(quote.valid_until, format: :date)
+                  div= distance_of_time_in_words_to_now(quote.valid_until)
+
+            td.align-middle
+              .text-end= number_to_currency(quote.amount)
+
+            td.py-1.text-end.align-middle
+              - if can?(:manage, quote)
+                .btn-group
+                  - unless quote.discarded?
+                    - unless quote.sent?
+                      - email_quote_action = quote.booking.booking_flow.manage_actions[:email_quote]
+                      - if email_quote_action.invokable?(quote_id: quote.id)
+                        = button_to manage_booking_invoke_action_path(quote.booking), method: :post, params: { id: email_quote_action.key, quote_id: quote.id }, class: 'btn btn-default'
+                          span.fa.fa-paper-plane-o[title= email_quote_action.label]
+                        
+                  = link_to edit_manage_quote_path(quote), class: "btn btn-default border-0 p-2" do
+                    span.fa.fa-edit
+                  = link_to manage_quote_path(quote), data: { confirm: t(:confirm) }, method: :delete, class: 'btn btn-default' do
+                    span.fa.fa-trash
+
+- if @booking && can?(:manage, @booking)
+  = link_to new_manage_booking_quote_path(@booking), class: 'btn btn-primary'
+    = t(:add_record, model_name: Quote.model_name.human)
diff --git a/app/views/manage/quotes/new.html.slim b/app/views/manage/quotes/new.html.slim
new file mode 100644
index 000000000..08519bf0c
--- /dev/null
+++ b/app/views/manage/quotes/new.html.slim
@@ -0,0 +1,7 @@
+= render partial: 'manage/bookings/navigation', locals: { active: :quotes, booking: @booking }
+
+.row.justify-content-center
+  .col-lg-8
+    .card.shadow-sm
+      .card-body
+        == render 'form'
diff --git a/config/locales/de.yml b/config/locales/de.yml
index ab370cd41..50deee80b 100644
--- a/config/locales/de.yml
+++ b/config/locales/de.yml
@@ -452,6 +452,16 @@ de:
       plan_b_backup:
         created_at: Erstellt am
         zip: Zip
+      quote:
+        amount: Betrag
+        booking_id: Buchung
+        issued_at: Ausgestellt am
+        items: Positionen
+        locale: Sprache
+        ref: Rechnungsnummer
+        sent_at: Rechnungsdatum
+        text: Text
+        valid_until: Gültig bis
       rich_text_template:
         autodeliver: Automatisch versenden
         body: Text
@@ -629,7 +639,7 @@ de:
           unsent_deposits: Unversendete Akontorechnungen
           unsent_invoices: Unversendete Rechnungen
           unsent_late_notices: Unversendete Mahnungen
-          unsent_offers: Unversendete Offerte
+          unsent_quotes: Unversendete Offerte
       notification:
         to:
           administration: Verwaltung
@@ -794,9 +804,6 @@ de:
       invoices/late_notice:
         one: Mahnung
         other: Mahnungen
-      invoices/offer:
-        one: Offerte
-        other: Offerten
       journal_entry_batch:
         one: Buchungssatzgruppe
         other: Buchungssatzgruppen
@@ -833,6 +840,9 @@ de:
       plan_b_backup:
         one: Plan-B Backup
         other: Plan-B Backups
+      quote:
+        one: Offerte
+        other: Offerten
       rich_text_template:
         one: Textvorlage
         other: Textvorlagen
@@ -903,7 +913,7 @@ de:
     email_invoice:
       label: Rechnung verschicken
       label_with_ref: "%{type} %{ref} verschicken"
-    email_offer:
+    email_quote:
       label: Offerte verschicken
     mark_contract_sent:
       label: Vertrag als versendet markieren
@@ -971,7 +981,7 @@ de:
     invoice_paid: "%{invoice} bezahlt"
     invoice_refunded: "%{invoice} erstattet"
     invoices_paid: Rechnungen beglichen
-    offer_created: Offerte erstellen (optional)
+    quote_created: Offerte erstellen (optional)
     responsibilities_assigned: Verantwortlichkeiten zuweisen (optional)
     tarifs_chosen: Tarife festlegen
     usages_entered: Verbrauch erfassen
@@ -2150,7 +2160,7 @@ de:
         {{ booking.organisation.payment_information }}</p>
       default_title: '{% if invoice.type == "Invoices::Deposit" %}Akontorechnung{% else %}Rechnung{% endif %} {{ invoice.ref }} für die Buchung {{ booking.ref }}'
       description: Benachrichtigung für Versand Rechnung (Mieter)
-    email_offer_notification:
+    email_quote_notification:
       default_body: |
         <p>{{ booking.tenant.salutation }}</p>
 
@@ -2192,13 +2202,6 @@ de:
         {{ TARIFS }}
       default_title: Mahnung
       description: Text für Rechnung (Mahnung)
-    invoices_offer_text:
-      default_body: |
-        <h1>Offerte</h1>
-
-        {{ TARIFS }}
-      default_title: Offerte
-      description: Text für Offerte
     manage_cancelation_pending_notification:
       default_body: |
         <p>Hallo</p>
@@ -2610,6 +2613,13 @@ de:
         </ul>
       default_title: Provisorische Reservation bestätigt
       description: Benachrichtigung für provisorische Mietanfrage (Mieter)
+    quote_text:
+      default_body: |
+        <h1>Offerte</h1>
+
+        {{ TARIFS }}
+      default_title: Offerte
+      description: Text für Offerte
     text_payment_info_text:
       default_body: |
         <p><strong>Kontonummer</strong>:
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 76f2cdf58..18a3c833d 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -540,7 +540,7 @@ en:
           unsent_deposits: Unversendete Akontorechnungen
           unsent_invoices: Unversendete Rechnungen
           unsent_late_notices: Unversendete Mahnungen
-          unsent_offers: Unversendete Offerte
+          unsent_quotes: Unversendete Offerte
       notification:
         to:
           administration: Verwaltung
@@ -699,9 +699,6 @@ en:
       invoices/late_notice:
         one: Mahnung
         other: Mahnungen
-      invoices/offer:
-        one: Offerte
-        other: Offerten
       journal_entry_batch:
         one: Buchungssatz
         other: Buchungssätze
@@ -738,6 +735,9 @@ en:
       plan_b_backup:
         one: Plan-B Backup
         other: Plan-B Backups
+      quote:
+        one: Offerte
+        other: Offerten
       rich_text_template:
         one: Textvorlage
         other: Textvorlagen
@@ -807,7 +807,7 @@ en:
     email_invoice:
       label: Rechnung verschicken
       label_with_ref: "%{type} %{ref} verschicken"
-    email_offer:
+    email_quote:
       label: Offerte verschicken
     mark_contract_sent:
       label: Vertrag als versendet markieren
@@ -867,7 +867,7 @@ en:
     invoice_paid: "%{invoice} bezahlt"
     invoice_refunded: "%{invoice} erstattet"
     invoices_paid: Rechnungen beglichen
-    offer_created: Offerte erstellen (optional)
+    quote_created: Offerte erstellen (optional)
     responsibilities_assigned: Verantwortlichkeiten zuweisen
     tarifs_chosen: Tarife festlegen
     usages_entered: Verbrauch erfassen
@@ -1797,7 +1797,7 @@ en:
       description: Benachrichtigung für Vertragsaustellung und Akontorechnung (Mieter)
     email_invoice_notification:
       description: Benachrichtigung für fällige Zahlung (Mieter)
-    email_offer_notification:
+    email_quote_notification:
       description: Benachrichtigung für Versand Offerte (Mieter)
     foreign_payment_info_text:
       description: Text für Zahlunginformationen für ausländische Mieter
@@ -1807,8 +1807,6 @@ en:
       description: Text für Rechnung
     invoices_late_notice_text:
       description: Text für Rechnung (Mahnung)
-    invoices_offer_text:
-      description: Text für Offerte
     manage_cancelation_pending_notification:
       description: Benachrichtigung für stornierte Reservation (Verwaltung)
     manage_cancelled_request_notification:
@@ -1851,6 +1849,8 @@ en:
       description: Benachrichtigung für überfällige Rechnung (Mieter)
     provisional_request_notification:
       description: Benachrichtigung für provisorische Mietanfrage (Mieter)
+    quote_text:
+      description: Text für Offerte
     text_payment_info_text:
       description: Text für Zahlunginformationen
     unconfirmed_request_notification:
diff --git a/config/locales/fr.yml b/config/locales/fr.yml
index 176fc195b..d8b71c1f7 100644
--- a/config/locales/fr.yml
+++ b/config/locales/fr.yml
@@ -591,7 +591,7 @@ fr:
           unsent_deposits: Acomptes non versés
           unsent_invoices: Factures non envoyées
           unsent_late_notices: Rappels non envoyés
-          unsent_offers: Offre non envoyée
+          unsent_quotes: Offre non envoyée
       notification:
         to:
           administration: Administration
@@ -750,9 +750,6 @@ fr:
       invoices/late_notice:
         one: Rappel
         other: Rappels de paiement
-      invoices/offer:
-        one: Offre
-        other: Offres
       journal_entry_batch:
         one:
         other:
@@ -789,6 +786,9 @@ fr:
       plan_b_backup:
         one: Backup
         other: Backups
+      quote:
+        one: Offre
+        other: Offres
       rich_text_template:
         one: Modèle de texte
         other: Modèles de texte
@@ -852,7 +852,7 @@ fr:
     email_invoice:
       label: Envoyer une facture
       label_with_ref:
-    email_offer:
+    email_quote:
       label: Envoyer une offre
     mark_contract_sent:
       label: Marquer le contrat comme envoyé
@@ -917,7 +917,7 @@ fr:
     invoice_paid:
     invoice_refunded:
     invoices_paid: Rechnung beglichen
-    offer_created: Offerte erstellen (optional)
+    quote_created: Offerte erstellen (optional)
     responsibilities_assigned: Attribuer des responsabilités (facultatif)
     tarifs_chosen: Tarife festlegen
     usages_entered: Saisir la consommation
@@ -1691,7 +1691,7 @@ fr:
       default_body:
       default_title:
       description:
-    email_offer_notification:
+    email_quote_notification:
       default_body:
       default_title:
       description: Notification pour l'envoi de l'offre (locataire)
@@ -1709,10 +1709,6 @@ fr:
       default_body:
       default_title: Rappel
       description: Texte pour facture de rappel
-    invoices_offer_text:
-      default_body:
-      default_title: Offre
-      description: Texte pour l'offre
     manage_cancelation_pending_notification:
       default_body:
       default_title:
@@ -1735,9 +1731,6 @@ fr:
       description: Notification de nouvelle demande de location (administration)
     notification_footer:
       description: Pied de page pour les notifications
-    offer_notification:
-      default_body:
-      default_title: Ton offre
     open_booking_agent_request_notification:
       default_body:
       default_title: Confirmation de votre demande de location
@@ -1797,6 +1790,13 @@ fr:
       default_body:
       default_title: Réservation provisoire confirmée
       description: Notification de demande de location provisoire (locataire)
+    quote_notification:
+      default_body:
+      default_title: Ton offre
+    quote_text:
+      default_body:
+      default_title: Offre
+      description: Texte pour l'offre
     text_payment_info_text:
       default_body: |
         <p><strong>Numéro de compte</strong>:
diff --git a/config/locales/it.yml b/config/locales/it.yml
index 1381ae222..9b566a02f 100644
--- a/config/locales/it.yml
+++ b/config/locales/it.yml
@@ -591,7 +591,7 @@ it:
           unsent_deposits:
           unsent_invoices:
           unsent_late_notices:
-          unsent_offers:
+          unsent_quotes:
       notification:
         to:
           administration: Verwaltung
@@ -750,9 +750,6 @@ it:
       invoices/late_notice:
         one: Promemoria
         other: Promemoria
-      invoices/offer:
-        one: Offerta
-        other: Offerte
       journal_entry_batch:
         one:
         other:
@@ -789,6 +786,9 @@ it:
       plan_b_backup:
         one:
         other:
+      quote:
+        one: Offerta
+        other: Offerte
       rich_text_template:
         one: Modello di testo
         other: Modelli di testo
@@ -852,7 +852,7 @@ it:
     email_invoice:
       label: Inviare la fattura
       label_with_ref:
-    email_offer:
+    email_quote:
       label:
     mark_contract_sent:
       label:
@@ -917,7 +917,7 @@ it:
     invoice_paid:
     invoice_refunded:
     invoices_paid:
-    offer_created: Offerte erstellen (optional)
+    quote_created: Offerte erstellen (optional)
     responsibilities_assigned: Assegnare le responsabilità (opzionale)
     tarifs_chosen: Fissare le tariffe
     usages_entered: Registrare il consumo
@@ -1771,7 +1771,7 @@ it:
       default_body:
       default_title:
       description:
-    email_offer_notification:
+    email_quote_notification:
       default_body:
       default_title:
       description:
@@ -1797,10 +1797,6 @@ it:
       default_body: "<p>{{ booking.ref }} {{ booking.begins_at | datetime_format }} a {{ booking.ends_at | formato_data_ora }}</p><h1> Promemoria {{booking.home.name}}</h1>"
       default_title: Promemoria
       description: Testo per la fattura (promemoria)
-    invoices_offer_text:
-      default_body: <h1 id="offerte">Offerta</h1>
-      default_title: Offerta
-      description: Testo per l'offerta
     manage_cancelation_pending_notification:
       default_body:
       default_title:
@@ -1855,9 +1851,6 @@ it:
       description: Notifica di una nuova richiesta di affitto (amministrazione)
     notification_footer:
       description: Piè di pagina per le notifiche
-    offer_notification:
-      default_body:
-      default_title: La vostra offerta
     open_booking_agent_request_notification:
       default_body:
       default_title: Conferma della richiesta di affitto
@@ -2039,6 +2032,13 @@ it:
         </ul>
       default_title: Prenotazione provvisoria confermata
       description: Notifica di richiesta di affitto provvisoria (inquilino)
+    quote_notification:
+      default_body:
+      default_title: La vostra offerta
+    quote_text:
+      default_body: <h1 id="offerte">Offerta</h1>
+      default_title: Offerta
+      description: Testo per l'offerta
     text_payment_info_text:
       default_body: |
         <p><strong>Numero di conto</strong>:
diff --git a/config/routes.rb b/config/routes.rb
index a9d355098..8fc424c38 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -41,6 +41,7 @@
         post :import, on: :collection
 
         resources :invoices, shallow: true
+        resources :quotes, shallow: true
         resources :payments, shallow: true
         resources :operator_responsibilities, except: %i[show] do
           post :assign, on: :collection
diff --git a/db/migrate/20250820070823_seperate_offers_from_invoices.rb b/db/migrate/20250820070823_seperate_offers_from_invoices.rb
new file mode 100644
index 000000000..04ea18fe9
--- /dev/null
+++ b/db/migrate/20250820070823_seperate_offers_from_invoices.rb
@@ -0,0 +1,61 @@
+# frozen_string_literal: true
+
+class SeperateOffersFromInvoices < ActiveRecord::Migration[8.0]
+  def change
+    create_table :quotes do |t|
+      t.references :booking, type: :uuid, foreign_key: true
+      t.datetime :issued_at, null: true
+      t.datetime :valid_until, null: true
+      t.datetime :sent_at, null: true
+      t.text :text, null: true
+      t.decimal :amount, default: '0.0'
+      t.datetime :discarded_at, null: true
+      t.string :locale
+      t.integer :sequence_number
+      t.integer :sequence_year
+      t.string :ref, null: true
+      t.references :sent_with_notification, null: true, foreign_key: { to_table: :notifications }
+      t.jsonb :items
+      t.timestamps
+    end
+
+    reversible do |direction|
+      direction.up do
+        migrate_rich_text_templates
+        migrate_key_sequences
+        migrate_offers
+      end
+    end
+  end
+
+  def migrate_offers
+    table = Arel::Table.new(:invoices)
+    batch_size = 100
+    offset = 0
+    loop do
+      batch_query = table.project(Arel.star).where(table[:type].eq('Invoices::Offer')).take(batch_size).skip(offset)
+      offset += batch_size
+      rows = ActiveRecord::Base.connection.exec_query(batch_query.to_sql)
+      break if rows.empty?
+
+      rows.each { migrate_offer(it) }
+    end
+  end
+
+  def migrate_offer(offer_hash)
+    offer_hash.symbolize_keys!
+    quote = Quote.new(offer_hash.slice(*%i[booking_id text sent_at text amount discarded_at locale
+                                           sequence_number sequence_year ref sent_with_notification items]))
+    quote.assign_attributes(valid_until: offer_hash[:payable_until])
+    quote.save
+  end
+
+  def migrate_rich_text_templates
+    RichTextTemplate.where(key: 'invoices_offer_text').update_all(key: 'quote_text') # rubocop:disable Rails/SkipsModelValidations
+    RichTextTemplate.where(key: 'email_offer_notification').update_all(key: 'email_quote_notification') # rubocop:disable Rails/SkipsModelValidations
+  end
+
+  def migrate_key_sequences
+    KeySequence.where(key: 'Invoices::Offer').update_all(key: 'Quote') # rubocop:disable Rails/SkipsModelValidations
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 761d1b18a..c1f640175 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[8.0].define(version: 2025_08_19_103045) do
+ActiveRecord::Schema[8.0].define(version: 2025_08_20_070823) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "pg_catalog.plpgsql"
   enable_extension "pgcrypto"
@@ -577,6 +577,26 @@
     t.index ["organisation_id"], name: "index_plan_b_backups_on_organisation_id"
   end
 
+  create_table "quotes", force: :cascade do |t|
+    t.uuid "booking_id"
+    t.datetime "issued_at"
+    t.datetime "valid_until"
+    t.datetime "sent_at"
+    t.text "text"
+    t.decimal "amount", default: "0.0"
+    t.datetime "discarded_at"
+    t.string "locale"
+    t.integer "sequence_number"
+    t.integer "sequence_year"
+    t.string "ref"
+    t.bigint "sent_with_notification_id"
+    t.jsonb "items"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["booking_id"], name: "index_quotes_on_booking_id"
+    t.index ["sent_with_notification_id"], name: "index_quotes_on_sent_with_notification_id"
+  end
+
   create_table "rich_text_templates", force: :cascade do |t|
     t.string "key"
     t.datetime "created_at", precision: nil, null: false
@@ -886,6 +906,8 @@
   add_foreign_key "payments", "bookings"
   add_foreign_key "payments", "invoices"
   add_foreign_key "plan_b_backups", "organisations"
+  add_foreign_key "quotes", "bookings"
+  add_foreign_key "quotes", "notifications", column: "sent_with_notification_id"
   add_foreign_key "rich_text_templates", "organisations"
   add_foreign_key "solid_queue_blocked_executions", "solid_queue_jobs", column: "job_id", on_delete: :cascade
   add_foreign_key "solid_queue_claimed_executions", "solid_queue_jobs", column: "job_id", on_delete: :cascade
diff --git a/db/seeds/demo.json b/db/seeds/demo.json
index 24595ef9a..944b7fc65 100644
--- a/db/seeds/demo.json
+++ b/db/seeds/demo.json
@@ -120,7 +120,7 @@
       "id": 1,
       "accounting_account_nr": "6000",
       "accounting_cost_center_nr": null,
-      "associated_types": ["deposit", "offer", "contract"],
+      "associated_types": ["deposit", "quote", "contract"],
       "label": "Anzahlung (1 Nacht)",
       "label_i18n": {
         "de": "Anzahlung (1 Nacht)"
@@ -147,7 +147,7 @@
       "id": 2,
       "accounting_account_nr": "6000",
       "accounting_cost_center_nr": null,
-      "associated_types": ["deposit", "offer", "contract"],
+      "associated_types": ["deposit", "quote", "contract"],
       "label": "Anzahlung (2 Nächte)",
       "label_i18n": {
         "de": "Anzahlung (2 Nächte)"
@@ -174,7 +174,7 @@
       "id": 3,
       "accounting_account_nr": "6000",
       "accounting_cost_center_nr": null,
-      "associated_types": ["deposit", "offer", "contract"],
+      "associated_types": ["deposit", "quote", "contract"],
       "label": "Anzahlung (3 Nächte)",
       "label_i18n": {
         "de": "Anzahlung (3 Nächte)"
@@ -201,7 +201,7 @@
       "id": 4,
       "accounting_account_nr": "6000",
       "accounting_cost_center_nr": null,
-      "associated_types": ["deposit", "offer", "contract"],
+      "associated_types": ["deposit", "quote", "contract"],
       "label": "Anzahlung (4 Nächte)",
       "label_i18n": {
         "de": "Anzahlung (4 Nächte)"
@@ -228,7 +228,7 @@
       "id": 5,
       "accounting_account_nr": "6000",
       "accounting_cost_center_nr": null,
-      "associated_types": ["invoice", "offer", "contract"],
+      "associated_types": ["invoice", "quote", "contract"],
       "label": "Lagertarif (unter 25 jährig)",
       "label_i18n": {
         "de": "Lagertarif (unter 25 jährig)"
@@ -255,7 +255,7 @@
       "id": 6,
       "accounting_account_nr": "6000",
       "accounting_cost_center_nr": null,
-      "associated_types": ["invoice", "offer", "contract"],
+      "associated_types": ["invoice", "quote", "contract"],
       "label": "Lagertarif (über 25 jährig)",
       "label_i18n": {
         "de": "Lagertarif (über 25 jährig)"
@@ -282,7 +282,7 @@
       "id": 7,
       "accounting_account_nr": "6000",
       "accounting_cost_center_nr": null,
-      "associated_types": ["invoice", "offer", "contract"],
+      "associated_types": ["invoice", "quote", "contract"],
       "label": "Mindestbelegung Lagertarif",
       "label_i18n": {
         "de": "Mindestbelegung Lagertarif"
@@ -309,7 +309,7 @@
       "id": 8,
       "accounting_account_nr": "6000",
       "accounting_cost_center_nr": null,
-      "associated_types": ["invoice", "offer", "contract"],
+      "associated_types": ["invoice", "quote", "contract"],
       "label": "Kurtaxe (ab 12 -18jährig)",
       "label_i18n": {
         "de": "Kurtaxe (ab 12 -18jährig)"
@@ -363,7 +363,7 @@
       "id": 10,
       "accounting_account_nr": "6000",
       "accounting_cost_center_nr": null,
-      "associated_types": ["invoice", "offer", "contract"],
+      "associated_types": ["invoice", "quote", "contract"],
       "label": "Kurtaxe (ab 18 Jahren)",
       "label_i18n": {
         "de": "Kurtaxe (ab 18 Jahren)"
@@ -417,7 +417,7 @@
       "id": 12,
       "accounting_account_nr": "6000",
       "accounting_cost_center_nr": null,
-      "associated_types": ["invoice", "offer", "contract"],
+      "associated_types": ["invoice", "quote", "contract"],
       "label": "Festtarrif 0 Nächte",
       "label_i18n": {
         "de": "Festtarrif 0 Nächte"
@@ -471,7 +471,7 @@
       "id": 14,
       "accounting_account_nr": "6000",
       "accounting_cost_center_nr": null,
-      "associated_types": ["invoice", "offer", "contract"],
+      "associated_types": ["invoice", "quote", "contract"],
       "label": "Strom (Hochtarif)",
       "label_i18n": {
         "de": "Strom (Hochtarif)"
@@ -498,7 +498,7 @@
       "id": 15,
       "accounting_account_nr": "6000",
       "accounting_cost_center_nr": null,
-      "associated_types": ["invoice", "offer", "contract"],
+      "associated_types": ["invoice", "quote", "contract"],
       "label": "Reservationsgebühr",
       "label_i18n": {
         "de": "Reservationsgebühr"
@@ -525,7 +525,7 @@
       "id": 16,
       "accounting_account_nr": "6000",
       "accounting_cost_center_nr": null,
-      "associated_types": ["invoice", "offer", "contract"],
+      "associated_types": ["invoice", "quote", "contract"],
       "label": "Strom (Niedertarif)",
       "label_i18n": {
         "de": "Strom (Niedertarif)"
@@ -552,7 +552,7 @@
       "id": 17,
       "accounting_account_nr": "6000",
       "accounting_cost_center_nr": null,
-      "associated_types": ["invoice", "offer", "contract"],
+      "associated_types": ["invoice", "quote", "contract"],
       "label": "Brennholz",
       "label_i18n": {
         "de": "Brennholz"
@@ -579,7 +579,7 @@
       "id": 18,
       "accounting_account_nr": "6000",
       "accounting_cost_center_nr": null,
-      "associated_types": ["invoice", "offer", "contract"],
+      "associated_types": ["invoice", "quote", "contract"],
       "label": "Abfall",
       "label_i18n": {
         "de": "Abfall"
diff --git a/db/seeds/development.json b/db/seeds/development.json
index 76eff853a..719e51a5a 100644
--- a/db/seeds/development.json
+++ b/db/seeds/development.json
@@ -120,7 +120,7 @@
       "id": 1,
       "accounting_account_nr": "6000",
       "accounting_cost_center_nr": null,
-      "associated_types": ["deposit", "offer", "contract"],
+      "associated_types": ["deposit", "quote", "contract"],
       "label": "Anzahlung (1 Nacht)",
       "label_i18n": {
         "de": "Anzahlung (1 Nacht)"
@@ -147,7 +147,7 @@
       "id": 2,
       "accounting_account_nr": "6000",
       "accounting_cost_center_nr": null,
-      "associated_types": ["deposit", "offer", "contract"],
+      "associated_types": ["deposit", "quote", "contract"],
       "label": "Anzahlung (2 Nächte)",
       "label_i18n": {
         "de": "Anzahlung (2 Nächte)"
@@ -174,7 +174,7 @@
       "id": 3,
       "accounting_account_nr": "6000",
       "accounting_cost_center_nr": null,
-      "associated_types": ["deposit", "offer", "contract"],
+      "associated_types": ["deposit", "quote", "contract"],
       "label": "Anzahlung (3 Nächte)",
       "label_i18n": {
         "de": "Anzahlung (3 Nächte)"
@@ -201,7 +201,7 @@
       "id": 4,
       "accounting_account_nr": "6000",
       "accounting_cost_center_nr": null,
-      "associated_types": ["deposit", "offer", "contract"],
+      "associated_types": ["deposit", "quote", "contract"],
       "label": "Anzahlung (4 Nächte)",
       "label_i18n": {
         "de": "Anzahlung (4 Nächte)"
@@ -228,7 +228,7 @@
       "id": 5,
       "accounting_account_nr": "6000",
       "accounting_cost_center_nr": null,
-      "associated_types": ["invoice", "offer", "contract"],
+      "associated_types": ["invoice", "quote", "contract"],
       "label": "Lagertarif (unter 25 jährig)",
       "label_i18n": {
         "de": "Lagertarif (unter 25 jährig)"
@@ -255,7 +255,7 @@
       "id": 6,
       "accounting_account_nr": "6000",
       "accounting_cost_center_nr": null,
-      "associated_types": ["invoice", "offer", "contract"],
+      "associated_types": ["invoice", "quote", "contract"],
       "label": "Lagertarif (über 25 jährig)",
       "label_i18n": {
         "de": "Lagertarif (über 25 jährig)"
@@ -282,7 +282,7 @@
       "id": 7,
       "accounting_account_nr": "6000",
       "accounting_cost_center_nr": null,
-      "associated_types": ["invoice", "offer", "contract"],
+      "associated_types": ["invoice", "quote", "contract"],
       "label": "Mindestbelegung Lagertarif",
       "label_i18n": {
         "de": "Mindestbelegung Lagertarif"
@@ -309,7 +309,7 @@
       "id": 8,
       "accounting_account_nr": "6000",
       "accounting_cost_center_nr": null,
-      "associated_types": ["invoice", "offer", "contract"],
+      "associated_types": ["invoice", "quote", "contract"],
       "label": "Kurtaxe (ab 12 -18jährig)",
       "label_i18n": {
         "de": "Kurtaxe (ab 12 -18jährig)"
@@ -363,7 +363,7 @@
       "id": 10,
       "accounting_account_nr": "6000",
       "accounting_cost_center_nr": null,
-      "associated_types": ["invoice", "offer", "contract"],
+      "associated_types": ["invoice", "quote", "contract"],
       "label": "Kurtaxe (ab 18 Jahren)",
       "label_i18n": {
         "de": "Kurtaxe (ab 18 Jahren)"
@@ -417,7 +417,7 @@
       "id": 12,
       "accounting_account_nr": "6000",
       "accounting_cost_center_nr": null,
-      "associated_types": ["invoice", "offer", "contract"],
+      "associated_types": ["invoice", "quote", "contract"],
       "label": "Festtarrif 0 Nächte",
       "label_i18n": {
         "de": "Festtarrif 0 Nächte"
@@ -471,7 +471,7 @@
       "id": 14,
       "accounting_account_nr": "6000",
       "accounting_cost_center_nr": null,
-      "associated_types": ["invoice", "offer", "contract"],
+      "associated_types": ["invoice", "quote", "contract"],
       "label": "Strom (Hochtarif)",
       "label_i18n": {
         "de": "Strom (Hochtarif)"
@@ -498,7 +498,7 @@
       "id": 15,
       "accounting_account_nr": "6000",
       "accounting_cost_center_nr": null,
-      "associated_types": ["invoice", "offer", "contract"],
+      "associated_types": ["invoice", "quote", "contract"],
       "label": "Reservationsgebühr",
       "label_i18n": {
         "de": "Reservationsgebühr"
@@ -525,7 +525,7 @@
       "id": 16,
       "accounting_account_nr": "6000",
       "accounting_cost_center_nr": null,
-      "associated_types": ["invoice", "offer", "contract"],
+      "associated_types": ["invoice", "quote", "contract"],
       "label": "Strom (Niedertarif)",
       "label_i18n": {
         "de": "Strom (Niedertarif)"
@@ -552,7 +552,7 @@
       "id": 17,
       "accounting_account_nr": "6000",
       "accounting_cost_center_nr": null,
-      "associated_types": ["invoice", "offer", "contract"],
+      "associated_types": ["invoice", "quote", "contract"],
       "label": "Brennholz",
       "label_i18n": {
         "de": "Brennholz"
@@ -579,7 +579,7 @@
       "id": 18,
       "accounting_account_nr": "6000",
       "accounting_cost_center_nr": null,
-      "associated_types": ["invoice", "offer", "contract"],
+      "associated_types": ["invoice", "quote", "contract"],
       "label": "Abfall",
       "label_i18n": {
         "de": "Abfall"
diff --git a/spec/domain/booking_actions/email_contract_spec.rb b/spec/domain/booking_actions/email_contract_spec.rb
index 05a97f382..a0d749422 100644
--- a/spec/domain/booking_actions/email_contract_spec.rb
+++ b/spec/domain/booking_actions/email_contract_spec.rb
@@ -35,6 +35,15 @@
         expect(booking_after_invoke.invoices.find(deposit.id)).to be_sent
       end
     end
+
+    context 'with quote' do
+      let(:quote) { create(:quote, booking:) }
+
+      it do
+        expect(quote.items).to be_present
+        expect(booking_after_invoke.quotes.find(quote.id)).to be_sent
+      end
+    end
   end
 
   describe '#invokable_with' do
diff --git a/spec/factories/invoices.rb b/spec/factories/invoices.rb
index 79956afc1..23595a150 100644
--- a/spec/factories/invoices.rb
+++ b/spec/factories/invoices.rb
@@ -51,6 +51,5 @@
     end
 
     factory :deposit, class: Invoices::Deposit.sti_name
-    factory :offer, class: Invoices::Offer.sti_name
   end
 end
diff --git a/app/models/invoices/offer.rb b/spec/factories/quotes.rb
similarity index 62%
rename from app/models/invoices/offer.rb
rename to spec/factories/quotes.rb
index 05d8e908b..6cc7f5f8b 100644
--- a/app/models/invoices/offer.rb
+++ b/spec/factories/quotes.rb
@@ -6,7 +6,7 @@
 #
 #  id                        :bigint           not null, primary key
 #  amount                    :decimal(, )      default(0.0)
-#  balance               :decimal(, )
+#  balance                   :decimal(, )
 #  discarded_at              :datetime
 #  issued_at                 :datetime
 #  items                     :jsonb
@@ -19,6 +19,7 @@
 #  sent_at                   :datetime
 #  sequence_number           :integer
 #  sequence_year             :integer
+#  status                    :integer
 #  text                      :text
 #  type                      :string
 #  created_at                :datetime         not null
@@ -28,26 +29,24 @@
 #  supersede_invoice_id      :bigint
 #
 
-module Invoices
-  class Offer < ::Invoice
-    ::Invoice.register_subtype self do
-      scope :offers, -> { where(type: Invoices::Offer.sti_name) }
+FactoryBot.define do
+  factory :quote do
+    booking
+    issued_at { 1.week.ago }
+    valid_until { 3.months.from_now }
+    text { Faker::Lorem.sentences }
+    transient do
+      skip_items { false }
     end
 
-    def balance
-      0
-    end
-
-    def payment_info
-      nil
-    end
-
-    def payment_required
-      false
-    end
+    after(:build) do |invoice, evaluator|
+      next if evaluator.skip_items
 
-    def sequence_number
-      self[:sequence_number] ||= organisation.key_sequences.key(Offer.sti_name, year: sequence_year).lease!
+      invoice.items = if evaluator.amount&.positive?
+                        build_list(:invoice_item, 1, amount: evaluator.amount)
+                      else
+                        build_list(:invoice_item, 3)
+                      end
     end
   end
 end
diff --git a/spec/features/booking/booking_by_tenant_spec.rb b/spec/features/booking/booking_by_tenant_spec.rb
index ee352ab17..e5f6483b2 100644
--- a/spec/features/booking/booking_by_tenant_spec.rb
+++ b/spec/features/booking/booking_by_tenant_spec.rb
@@ -9,12 +9,12 @@
   let(:tenant) { create(:tenant, organisation:) }
   let(:deposit_tarifs) do
     create(:tarif, organisation:, tarif_group: 'Akontorechnung',
-                   associated_types: %i[deposit offer contract])
+                   associated_types: %i[deposit quote contract])
   end
 
   let(:invoice_tarifs) do
     create_list(:tarif, 2, organisation:, tarif_group: 'Übernachtungen',
-                           associated_types: %i[invoice offer contract])
+                           associated_types: %i[invoice quote contract])
   end
 
   let!(:tarifs) { [deposit_tarifs, invoice_tarifs].flatten }
diff --git a/spec/models/invoice_spec.rb b/spec/models/invoice_spec.rb
index 573b47f3f..d24cf9425 100644
--- a/spec/models/invoice_spec.rb
+++ b/spec/models/invoice_spec.rb
@@ -35,19 +35,6 @@
   let(:organisation) { create(:organisation, :with_templates) }
   let(:invoice) { create(:invoice, organisation:) }
 
-  describe '::unsettled' do
-    subject(:unsettled) { described_class.unsettled }
-
-    let!(:offer) { create(:invoice, type: Invoices::Offer) }
-    let!(:invoice) { create(:invoice) }
-
-    it 'does not list the offer as unsettled' do
-      invoice.sent!
-      is_expected.to include(invoice)
-      is_expected.not_to include(offer)
-    end
-  end
-
   describe '#payment_info' do
     subject { invoice.payment_info }