Implemented the GET /users/{username}/collection/value endpoint for the Open API specification document in the library target.

Sources/DiscogsService/openapi.yaml

@@ -1532,6 +1532,42 @@ paths:
           $ref: '#/components/responses/NotFound'
         '500':
           $ref: '#/components/responses/InternalError'
+  /users/{username}/collection/value:
+    get:
+      tags:
+        - User Collection
+      summary: Get the estimated monetary value for a collection of a user.
+      description: |
+        Returns the estimated minimum, median, and maximum values for a collection of a user.
+
+        This endpoint requires authentication as the collection owner.
+      operationId: getCollectionValue
+      parameters:
+        - $ref: '#/components/parameters/Username'
+      security:
+        - ConsumerKeySecret: []
+        - UserToken: []
+        - OAuth: []
+      responses:
+        '200':
+          description: Successfully retrieved the estimated monetary value for a collection of a user.
+          headers:
+            X-Discogs-RateLimit:
+              $ref: '#/components/headers/RateLimit'
+            X-Discogs-RateLimit-Used:
+              $ref: '#/components/headers/RateLimitUsed'
+            X-Discogs-RateLimit-Remaining:
+              $ref: '#/components/headers/RateLimitRemaining'
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/CollectionValue'
+        '403':
+          $ref: '#/components/responses/NotAccessable'
+        '404':
+          $ref: '#/components/responses/NotFound'
+        '500':
+          $ref: '#/components/responses/InternalError'
 components:
   headers:
     Link:
@@ -2028,6 +2064,23 @@ components:
           properties:
             type:
               enum: [artist]
+    CollectionValue:
+      description: A type that represents the monetary value of a collection.
+      type: object
+      properties:
+        maximum:
+          description: An estimated maximum monetary value of a collection.
+          type: string
+        median:
+          description: An estimated median monetary value of a collection.
+          type: string
+        minimum:
+          description: An estimated minimumn monetary value of a collection.
+          type: string
+      required:
+        - maximum
+        - median
+        - minimum
     Community:
       description: A type that represents a community of users, in relationship to a release.
       type: object