Added 'duplicate' menu option

For now duplicates next to original document in the same collection

app/menus/DocumentMenu.js

@@ -36,6 +36,10 @@ class DocumentMenu extends React.Component<Props> {
     this.props.history.push(documentMoveUrl(this.props.document));
   };
 
+  handleDuplicate = async (ev: SyntheticEvent<*>) => {
+    this.props.document.duplicate();
+  };
+
   handlePin = (ev: SyntheticEvent<*>) => {
     this.props.document.pin();
   };
@@ -100,6 +104,9 @@ class DocumentMenu extends React.Component<Props> {
             >
               New child document
             </DropdownMenuItem>
+            <DropdownMenuItem onClick={this.handleDuplicate}>
+              Duplicate
+            </DropdownMenuItem>
             <DropdownMenuItem onClick={this.handleMove}>Move…</DropdownMenuItem>
           </React.Fragment>
         )}

app/models/Document.js

@@ -270,6 +270,10 @@ class Document extends BaseModel {
     return false;
   };
 
+  duplicate = () => {
+    this.emit('documents.duplicate', this);
+  };
+
   download() {
     const a = window.document.createElement('a');
     a.textContent = 'download';

app/stores/DocumentsStore.js

@@ -203,6 +203,26 @@ class DocumentsStore extends BaseStore {
     }
   };
 
+  @action
+  duplicate = async (document: Document): * => {
+    const res = await client.post('/documents.create', {
+      publish: true,
+      parentDocument: document.parentDocumentId,
+      collection: document.collection.id,
+      title: `${document.title} (duplicate)`,
+      text: document.text,
+    });
+
+    if (res && res.data) {
+      const duped = res.data;
+      this.emit('documents.create', duped);
+      this.emit('documents.publish', {
+        id: duped.id,
+        collectionId: duped.collection.id,
+      });
+    }
+  };
+
   @action
   add = (document: Document): void => {
     this.data.set(document.id, document);
@@ -235,6 +255,9 @@ class DocumentsStore extends BaseStore {
     this.on('documents.create', (data: Document) => {
       this.add(new Document(data));
     });
+    this.on('documents.duplicate', (data: Document) => {
+      this.duplicate(data);
+    });
 
     // Re-fetch dashboard content so that we don't show deleted documents
     this.on('collections.delete', () => {