story-content: Added chapter move option.

rpdata/api/Chapter.js

@@ -21,7 +21,7 @@ class Chapter {
   }
 }
 
-const chapterApi = {
+class ChapterAPI {
   /**
    * Call `addChapter(input)` mutation, returns the entire object.
    * 
@@ -46,7 +46,7 @@ const chapterApi = {
 
       return new Chapter(ac.id, ac.title, ac.author, ac.source, ac.createdDate, ac.fictionalDate, ac.editedDate)
     })
-  },
+  }
 
   /**
    * Call `editChapter(input)` mutation, returns editable fields
@@ -70,7 +70,25 @@ const chapterApi = {
 
       return editChapter
     })
-  },
+  }
+
+  /**
+   * Call `moveChapter(input)` mutation, returns the ID.
+   * 
+   * @param {{id:string, storyId:string}} input
+   * @returns {Promise<{id:string}>} 
+   */
+  moveChapter(input) {
+    return query(`
+      mutation MoveChapter($input: ChapterMoveInput!) {
+        moveChapter(input: $input) {
+          id
+        }
+      }
+    `, {input}, {permissions: ["member", "story.move"]}).then(({moveChapter}) => {
+      return moveChapter
+    })
+  }
 
   /**
    * Call `removeChapter(input)` mutation, returns only the id
@@ -88,7 +106,7 @@ const chapterApi = {
     `, {input}, {permissions: ["member", "story.edit"]}).then(({removeChapter}) => {
       return removeChapter
     })
-  },
+  }
 }
 
-module.exports = {Chapter, chapterApi}
+module.exports = {Chapter, chapterApi: new ChapterAPI}