fix: init content

frontend/src/pages/sdoc/sdoc-file-history/index.js

@@ -48,6 +48,46 @@ class SdocFileHistory extends React.Component {
     };
   }
 
+  getInitContent = (firstChildren) => {
+    if (firstChildren) {
+      return {
+        version: -1,
+        children: [
+          {
+            id: firstChildren.id,
+            type: 'title',
+            children: [
+              {
+                id: firstChildren.children[0].id,
+                text: ''
+              }
+            ]
+          }
+        ]
+      };
+    }
+    return this.getInitContentByPath();
+  };
+
+  getInitContentByPath = (path) => {
+    const name = path ? path.split('/')?.pop()?.slice(0, -5) : '';
+    return {
+      version: -1,
+      children: [
+        {
+          id: '1',
+          type: 'title',
+          children: [
+            {
+              id: '2',
+              text: name
+            }
+          ]
+        }
+      ]
+    };
+  };
+
   onSelectHistoryVersion = (currentVersion, lastVersion) => {
     this.setState({ isLoading: true, currentVersion });
     seafileAPI.getFileRevision(historyRepoID, currentVersion.commit_id, currentVersion.path).then(res => {
@@ -55,11 +95,19 @@ class SdocFileHistory extends React.Component {
     }).then(res => {
       const currentVersionContent = res.data;
       if (lastVersion) {
+        if (lastVersion === 'init') {
+          const lastVersionContent = currentVersionContent ? this.getInitContent(currentVersionContent.children[0]) : this.getInitContentByPath(currentVersion.path);
+          const validCurrentVersionContent = currentVersionContent || this.getInitContentByPath(currentVersion.path);
+          this.setContent(validCurrentVersionContent, lastVersionContent);
+          return;
+        }
         seafileAPI.getFileRevision(historyRepoID, lastVersion.commit_id, lastVersion.path).then(res => {
           return res.data ? seafileAPI.getFileContent(res.data) : { data: '' };
         }).then(res => {
           const lastVersionContent = res.data;
-          this.setContent(currentVersionContent, lastVersionContent);
+          const firstChildren = currentVersionContent.children[0];
+          const validLastVersionContent = lastVersion && !lastVersionContent ? this.getInitContent(firstChildren) : lastVersionContent;
+          this.setContent(currentVersionContent, validLastVersionContent);
         }).catch(error => {
           const errorMessage = Utils.getErrorMsg(error, true);
           toaster.danger(gettext(errorMessage));

frontend/src/pages/sdoc/sdoc-file-history/side-panel.js

@@ -24,7 +24,6 @@ class SidePanel extends Component {
       historyGroups: [],
       errorMessage: '',
       hasMore: false,
-      fileOwner: '',
       isReloadingData: false,
     };
     this.currentPage = 1;
@@ -41,15 +40,16 @@ class SidePanel extends Component {
     seafileAPI.listSdocHistory(docUuid, this.currentPage, PER_PAGE).then(res => {
       const result = res.data;
       const resultCount = result.histories.length;
+      const historyGroups = this.formatHistories(result.histories);
       this.setState({
         historyGroups: this.formatHistories(result.histories),
         hasMore: resultCount >= PER_PAGE,
         isLoading: false,
-        fileOwner: result.histories[0]?.creator_email,
+      }, () => {
-      });
+        if (historyGroups.length > 0) {
-      if (result.histories[0]) {
+          this.onSelectHistoryVersion([0, 0, 0]);
-        this.props.onSelectHistoryVersion(result.histories[0], result.histories[1]);
         }
+      });
     }).catch((error) => {
       this.setState({isLoading: false});
       throw Error('there has an error in server');
@@ -85,7 +85,6 @@ class SidePanel extends Component {
       historyGroups: this.formatHistories(result.histories),
       hasMore: resultCount >= PER_PAGE,
       isLoading: false,
-      fileOwner: result.histories[0].creator_email,
     });
   }
 
@@ -161,6 +160,9 @@ class SidePanel extends Component {
       if (!lastVersion) {
         lastVersion = historyGroups[monthIndex + 1]?.children[0]?.children[0];
       }
+      if (monthIndex === 0 && !lastVersion) {
+        lastVersion = 'init';
+      }
     }
     this.props.onSelectHistoryVersion(currentVersion, lastVersion);
   };