fix: missing fields on dataset endpoint response (#1547)

Adds `stats` and `schema` fields to the response definition of `GET
/datasets/:id`

Closes [#20565](apify/apify-core#20565)

Author: stepskop

apify-api/openapi/components/schemas/datasets/Dataset.yaml

@@ -47,6 +47,27 @@ properties:
       type: string
     description: ''
     nullable: true
+  schema:
+    type: object
+    nullable: true
+    description: Defines the schema of items in your dataset, the full specification can be found in [Apify docs](/platform/actors/development/actor-definition/dataset-schema)
+    example:
+      actorSpecification: 1
+      title: "My dataset"
+      views:
+        overview:
+          title: "Overview"
+          transformation:
+            fields:
+              - "linkUrl"
+          display:
+            component: "table"
+            properties:
+              linkUrl:
+                label: "Link URL"
+                format: "link"
   consoleUrl:
     type: string
     example: 'https://console.apify.com/storage/datasets/27TmTznX9YPeAYhkC'
+  stats:
+    $ref: ./DatasetStats.yaml

apify-api/openapi/components/schemas/datasets/DatasetStats.yaml

@@ -0,0 +1,16 @@
+title: DatasetStats
+required:
+  - readCount
+  - writeCount
+  - storageBytes
+type: object
+properties:
+  readCount:
+    type: number
+    example: 22
+  writeCount:
+    type: number
+    example: 3
+  storageBytes:
+    type: number
+    example: 783