api: Added editChapter mutation

rpdata/api/Chapter.js

@@ -19,35 +19,50 @@ class Chapter {
     this.fictionalDate = fictionalDate != null ? new Date(fictionalDate) : null
     this.editedDate = new Date(editedDate)
   }
+}
 
+const chapterApi = {
   /**
-   * Query the chapter's editable fields and update this object. This promise returns a boolean
-   * whether there has been a change.
+   * Call `editChapter(input)` mutation
    * 
-   * @returns {Promise<boolean>} `true` if the story was edited in the meantime
+   * @param {{id:string, title:string, fictionalDate:Date, source: string}} input
+   * @returns {Promise<{title:string, fictionalDate:Date, source:string}>} 
    */
-  update() {
+  editChapter(input) {
     return query(`
-      query UpdateChapter($id: String!) {
-        update: chapter(id: $id) {
+      mutation EditChapter($input: ChapterEditInput!) {
+        editChapter(input: $input) {
           title
-          source
           fictionalDate
-          editedDate  
+          source
         }
       }
-    `, {id: this.id}).then(({update}) => {
-      const editedDate = new Date(udpate.editedDate)
-      const wasEdited = editedDate.getTime() != this.editedDate.getTime()
+    `, {input}, {permissions: ["member", "story.edit"]}).then(({editChapter}) => {
+      if (editChapter.fictionalDate != null) {
+        editChapter.fictionalDate = new Date(editChapter.fictionalDate)
+      }
 
-      this.title = update.title
-      this.source = update.source
-      this.fictionalDate = new Date(update.fictionalDate)
-      this.editedDate = editedDate
+      return editChapter
+    })
+  },
 
-      return wasEdited
+  /**
+   * Call `removeChapter(input)` mutation
+   * 
+   * @param {{id:string}} input
+   * @returns {Promise<{id: string}>} 
+   */
+  removeChapter(input) {
+    return query(`
+      mutation RemoveChapter($input: ChapterRemoveInput!) {
+        removeChapter(input: $input) {
+          id
+        }
+      }
+    `, {input}, {permissions: ["member", "story.edit"]}).then(({removeChapter}) => {
+      return removeChapter
     })
-  }
+  },
 }
 
-module.exports = {Chapter}
+module.exports = {Chapter, chapterApi}