Extended getAll method with paging metadata

refs https://github.com/TryGhost/Team/issues/3167

- Having paging metadata is part of every API response and was missing from initial implementation
- The getAll method has all of the values as "static" as there's nothing to page on.

ghost/collections/src/CollectionsService.ts

@@ -21,8 +21,22 @@ export class CollectionsService {
         return await this.repository.getById(id);
     }
 
-    async getAll(): Promise<Collection[]> {
-        return await this.repository.getAll();
+    async getAll(options?: any): Promise<{data: Collection[], meta: any}> {
+        const collections = await this.repository.getAll(options);
+
+        return {
+            data: collections,
+            meta: {
+                pagination: {
+                    page: 1,
+                    pages: 1,
+                    limit: collections.length,
+                    total: collections.length,
+                    prev: null,
+                    next: null
+                }
+            }
+        };
     }
 
     async destroy(id: string): Promise<void> {

ghost/collections/test/collections.test.ts

@@ -30,7 +30,7 @@ describe('collections', function () {
         assert.equal(createdCollection.title, 'testing collections', 'Collection title should match');
 
         const allCollections = await collectionsService.getAll();
-        assert.equal(allCollections.length, 1, 'There should be one collection');
+        assert.equal(allCollections.data.length, 1, 'There should be one collection');
 
         await collectionsService.destroy(savedCollection.id);
         const deletedCollection = await collectionsService.getById(savedCollection.id);