Bug 39816: Allow embedding `late_since_days` in baskets

This patch adds the option to embed the return value of the
`late_since_days` method in basket objects in the REST API.

It does so by just adding it to the list of embeds in the spec. It is
added in every place baskets can be returned.

Signed-off-by: Emmi Takkinen <emmi.takkinen@koha-suomi.fi>
Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>

api/v1/swagger/definitions/basket.yaml

@@ -84,4 +84,9 @@ properties:
       - null
     description: "When items should be created for orders in this basket (Options:
       'ordering', 'receiving', 'cataloguing'. Null means system wide config)"
+  late_since_days:
+    type:
+      - integer
+      - "null"
+    description: The number of days the basket is late (x-koha-embed)
 additionalProperties: false

api/v1/swagger/paths/acquisitions_baskets.yaml

@@ -14,6 +14,16 @@
       - $ref: "../swagger.yaml#/parameters/per_page"
       - $ref: "../swagger.yaml#/parameters/q_param"
       - $ref: "../swagger.yaml#/parameters/q_body"
+      - name: x-koha-embed
+        in: header
+        required: false
+        description: Embed list sent as a request header
+        type: array
+        items:
+          type: string
+          enum:
+            - late_since_days
+        collectionFormat: csv
     produces:
       - application/json
     responses:

api/v1/swagger/paths/acquisitions_orders.yaml

@@ -53,6 +53,7 @@
             - basket
             - basket.basket_group
             - basket.creator
+            - basket.late_since_days
             - biblio
             - biblio.uncancelled_orders+count
             - biblio.holds+count
@@ -180,6 +181,7 @@
             - basket
             - basket.basket_group
             - basket.creator
+            - basket.late_since_days
             - biblio
             - biblio.uncancelled_orders+count
             - biblio.holds+count