chore!: remove deprecated project macros in Ecto projections

guides/explanations/fork-differences.md

@@ -13,6 +13,13 @@ This fork maintains an independent release cycle to introduce new features and i
 
 ## Breaking Changes ❌
 
+### **Removed Deprecated Ecto Projections "do end" Block Syntax**
+
+**Changes:**
+- Removed deprecated `project(event, do: block)` macro variant
+- Removed deprecated `project(event, metadata, do: block)` macro variant
+- Only function-based syntax is now supported: `project(event, fn multi -> ... end)`
+
 ### **Removed ProcessManager Support**
 [PR #24](https://github.com/straw-hat-team/commanded/pull/24)
 
@@ -24,8 +31,6 @@ This fork maintains an independent release cycle to introduce new features and i
 
 **Reason:** The saga pattern can be achieved using event handlers with read models and aggregates, eliminating the need for the additional ProcessManager abstraction.
 
----
-
 ### **Removed Upcasting Support**
 [PR #26](https://github.com/straw-hat-team/commanded/pull/26)
 
@@ -36,8 +41,6 @@ This fork maintains an independent release cycle to introduce new features and i
 
 **Reason:** Event schema transformations can be handled explicitly in event handlers and aggregates using pattern matching, eliminating the need for a global upcasting component.
 
----
-
 ### **EnrichedMetadata Struct**
 [PR #11](https://github.com/straw-hat-team/commanded/pull/11)
 
@@ -47,8 +50,6 @@ This fork maintains an independent release cycle to introduce new features and i
 
 **Breaking:** Event handler callbacks now receive `%EnrichedMetadata{}` instead of a plain map.
 
----
-
 ## Features Added ✨
 
 ### **UUIDv7 Support**
@@ -58,26 +59,20 @@ This fork maintains an independent release cycle to introduce new features and i
 - Added UUIDv7 generation support for command and event IDs
 - Modified command router to use `UUID.uuid7/0` by default
 
----
-
 ### **Configurable UUID Provider**
 
 **Changes:**
 - Integrated `Uniq.UUID` library for UUID generation
 - Made UUID provider configurable
 - Simplified UUID module by delegating to Uniq
 
----
-
 ### **Aggregate Telemetry for Version Conflicts**
 [PR #8](https://github.com/straw-hat-team/commanded/pull/8)
 
 **Changes:**
 - Added telemetry events for wrong expected version errors in aggregates
 - Enhanced monitoring capabilities for version conflicts
 
----
-
 ### **Custom Event ID Support**
 [PR #2](https://github.com/straw-hat-team/commanded/pull/2)
 
@@ -86,17 +81,13 @@ This fork maintains an independent release cycle to introduce new features and i
 - Ability to set custom event IDs from event structs
 - Support for deterministic event IDs
 
----
-
 ### **EventStore Adapter**
 [PR #1](https://github.com/straw-hat-team/commanded/pull/1)
 
 **Changes:**
 - Bundled `Commanded.EventStore.Adapters.EventStore` directly into Commanded
 - Eliminates need for separate `commanded_eventstore_adapter` package dependency
 
----
-
 ### **Ecto Projections Integration**
 
 **Changes:**

lib/commanded/projections/ecto.ex

@@ -580,21 +580,6 @@ if Code.ensure_loaded?(Ecto) do
       end
     end
 
-    defmacro project(event, do: block) do
-      IO.warn(
-        "project macro with \"do end\" block is deprecated; use project/2 with function instead",
-        Macro.Env.stacktrace(__ENV__)
-      )
-
-      quote do
-        def handle(unquote(event) = event, metadata) do
-          update_projection(event, metadata, fn var!(multi) ->
-            unquote(block)
-          end)
-        end
-      end
-    end
-
     @doc """
     Project a domain event into a read model by appending one or more operations
     to the `Ecto.Multi` struct passed to the projection function you define
@@ -617,21 +602,6 @@ if Code.ensure_loaded?(Ecto) do
       end
     end
 
-    defmacro project(event, metadata, do: block) do
-      IO.warn(
-        "project macro with \"do end\" block is deprecated; use project/3 with function instead",
-        Macro.Env.stacktrace(__ENV__)
-      )
-
-      quote do
-        def handle(unquote(event) = event, unquote(metadata) = metadata) do
-          update_projection(event, metadata, fn var!(multi) ->
-            unquote(block)
-          end)
-        end
-      end
-    end
-
     @doc """
     Project a domain event and its metadata map into a read model by appending one
     or more operations to the `Ecto.Multi` struct passed to the projection