adding discount from order view page

back-office/sell/orders/orders/order-view/add-discount.md

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+# SPECIFICATIONS - Adding discount from "order view" page
+
+
+Merchant is in "order view" page (/sell/orders/orders/6/view).
+
+Merchant clicks on "Add a discount button".
+
+Merchant is given a modal with a form.
+
+
+
+## The form
+
+Form contains 3 inputs.
+
+* Name
+* Type
+* Value
+
+and 2 buttons (Save and cancel).
+
+#### Name
+1- This is a text input field.
+
+2 -It has a label : "Name".
+
+4- Validation: 
+
+* client-side : this field should not be empty.
+* server-side : do not accept empty, or not safe values.
+
+
+#### Type
+1- This is a select input with 3 options.
+
+2  Options are named : "Percent", "Amount" and "Free Shipping" strings.
+
+3- Default option is "Percent".
+
+4- Validation: 
+
+* client-side : None
+* server-side : do not accept values out of the above list.
+
+
+
+### value
+
+1- This appears only if selected type is "Percent" or "Amount.
+
+2- This is an input for numeric values.
+
+3 - It has a label : "Value".
+
+4 - It contains 2 parts:
+ * a symbol "%" if selected type is "Percent" and "$" if selected type is "Amount".
+ * a numeric input with up/down arrows. 
+
+5 - Validation:
+* client-side : this field is required if selected type is "Percent" or "Amount",  else, non required.
+* server-side : if selected type is "Percent" value should be between 0 and 100, if selected type is "Amount" value should be between 0 and total.
+
+### cancel button
+Closes the modal, equivalent to clicking outside the form.
+
+
+
+### save button
+Redirects to "order view" page (full redirection and not modal closing).