add office file editOnCloud and download (#3716)

* add office file editOnCloud and download

* modify some details

frontend/src/components/dialog/generate-share-link.js

@@ -36,6 +36,7 @@ class GenerateShareLink extends React.Component {
       sendLinkEmails: '',
       sendLinkMessage: '',
       sendLinkErrorMessage: '',
+      fileInfo: null,
     };
     this.permissions = {
       'can_edit': false, 
@@ -58,6 +59,12 @@ class GenerateShareLink extends React.Component {
         this.setState({isLoading: false});
       }
     });
+
+    seafileAPI.getFileInfo(repoID, path).then((res) => {
+      if (res.data) {
+        this.setState({fileInfo: res.data});
+      }
+    });
   }
 
   onPasswordInputChecked = () => {
@@ -99,11 +106,16 @@ class GenerateShareLink extends React.Component {
         'can_edit': false,
         'can_download': true
       };
-    } else {
+    } else if (permission == 'preview') {
       this.permissions = {
         'can_edit': false,
         'can_download': false
       };     
+    } else if (permission == 'editOnCloudAndDownload'){
+      this.permissions = {
+        'can_edit': true,
+        'can_download': true
+      };
     }
   }
 
@@ -371,6 +383,7 @@ class GenerateShareLink extends React.Component {
         </div>
       );
     } else {
+      let fileInfo = this.state.fileInfo;
       return (
         <Form className="generate-share-link">
           <FormGroup check>
@@ -446,6 +459,13 @@ class GenerateShareLink extends React.Component {
               <Input type="radio" name="radio1" onChange={() => this.setPermission('preview')} />{'  '}{gettext('Preview only')}
             </Label>
           </FormGroup>
+          {(Utils.isOfficeFile(this.props.itemPath) && fileInfo && fileInfo.can_edit) &&
+            <FormGroup check className="permission">
+              <Label>
+                <Input type="radio" name="radio1" onChange={() => this.setPermission('editOnCloudAndDownload')} />{'  '}{gettext('Edit on cloud and download')}
+              </Label>
+            </FormGroup>
+          }
           {this.state.errorInfo && <Alert color="danger" className="mt-2">{gettext(this.state.errorInfo)}</Alert>}
           <Button onClick={this.generateShareLink}>{gettext('Generate')}</Button>
         </Form>

frontend/src/utils/utils.js

@@ -104,6 +104,20 @@ export const Utils = {
     }
   },
 
+  isOfficeFile: function(filename) {
+    // no file ext
+    if (filename.lastIndexOf('.') == -1) {
+      return false;
+    }
+    var file_ext = filename.substr(filename.lastIndexOf('.') + 1).toLowerCase();
+    var exts = ['doc', 'ppt', 'xls', 'docx', 'pptx', 'xlsx'];
+    if (exts.indexOf(file_ext) != -1) {
+      return true;
+    } else {
+      return false;
+    }
+  },
+
   // check if a file is a video
   videoCheck: function (filename) {
     // no file ext

seahub/api2/views.py

@@ -89,7 +89,7 @@ from seahub.utils.timeutils import utc_to_local, \
         timestamp_to_isoformat_timestr
 from seahub.views import is_registered_user, check_folder_permission, \
     create_default_library, list_inner_pub_repos
-from seahub.views.file import get_file_view_path_and_perm, send_file_access_msg
+from seahub.views.file import get_file_view_path_and_perm, send_file_access_msg, can_edit_file
 if HAS_FILE_SEARCH:
     from seahub_extra.search.utils import search_files, get_search_repos_map, SEARCH_FILEEXT
 from seahub.utils import HAS_OFFICE_CONVERTER
@@ -3156,10 +3156,11 @@ class FileDetailView(APIView):
         entry["last_modifier_contact_email"] = email2contact_email(latest_contributor)
 
         try:
-            entry["size"] = get_file_size(real_repo_id, repo.version, obj_id)
+            file_size = get_file_size(real_repo_id, repo.version, obj_id)
         except Exception as e:
             logger.error(e)
-            entry["size"] = 0
+            file_size = 0
+        entry["size"] = file_size
 
         starred_files = UserStarredFiles.objects.filter(repo_id=repo_id,
                 path=path)
@@ -3168,6 +3169,8 @@ class FileDetailView(APIView):
         comment_total = file_comments.count()
         entry["comment_total"] = comment_total
 
+        entry["can_edit"], _ = can_edit_file(file_name, file_size, repo)
+
         return Response(entry)