Fix: Fail gracefully when previewing a doc with deleted reps

src/lib/events.js

@@ -19,6 +19,7 @@ export const ERROR_CODE = {
     UNSUPPORTED_FILE_TYPE: 'error_unsupported_file_type',
     PERMISSIONS_PREVIEW: 'error_permissions_preview',
     BAD_INPUT: 'error_bad_input',
+    DELETED_REPS: 'error_deleted_reps',
     LOAD_ANNOTATIONS: 'error_load_annotations',
     LOAD_ASSET: 'error_load_asset',
     LOAD_CSV: 'error_load_csv',

src/lib/viewers/BaseViewer.js

@@ -336,7 +336,9 @@ class BaseViewer extends EventEmitter {
      * @return {void}
      */
     handleDownloadError(err, downloadURL) {
-        if (this.hasRetriedContentDownload) {
+        const isRepDeleted = getProp(err, 'details.isRepDeleted', false);
+
+        if (this.hasRetriedContentDownload || isRepDeleted) {
             this.triggerError(err);
             return;
         }

src/lib/viewers/__tests__/BaseViewer-test.js

@@ -241,13 +241,28 @@ describe('lib/viewers/BaseViewer', () => {
             sandbox.stub(base, 'emitMetric');
         });
 
-        it('should trigger an error  if we have already retried', () => {
+        it('should trigger an error if we have already retried', () => {
             base.hasRetriedContentDownload = true;
             base.handleDownloadError('error', 'https://dl.boxcloud.com');
             expect(base.triggerError).to.be.called;
             expect(base.load).to.not.be.called;
         });
 
+        it('should trigger an error if the rep was deleted', () => {
+            base.hasRetriedContentDownload = false;
+            base.handleDownloadError(
+                {
+                    details: {
+                        isRepDeleted: true
+                    }
+                },
+                'https://dl.boxcloud.com'
+            );
+
+            expect(base.triggerError).to.be.called;
+            expect(base.load).to.not.be.called;
+        });
+
         it('should retry load, and check download reachability if we are on a custom host', () => {
             base.hasRetriedContentDownload = false;
             DownloadReachability.isCustomDownloadHost.returns(false);

src/lib/viewers/doc/DocBaseViewer.js

@@ -662,8 +662,19 @@ class DocBaseViewer extends BaseViewer {
                 // eslint-disable-next-line
                 console.error(err);
 
+                // pdf.js gives us the status code in their error message
+                const { status } = err;
+
                 // Display a generic error message but log the real one
-                const error = new PreviewError(ERROR_CODE.CONTENT_DOWNLOAD, __('error_document'), {}, err.message);
+                const error =
+                    status === 202
+                        ? new PreviewError(
+                            ERROR_CODE.DELETED_REPS,
+                            __('error_refresh'),
+                            { isRepDeleted: true },
+                            err.message
+                        )
+                        : new PreviewError(ERROR_CODE.CONTENT_DOWNLOAD, __('error_document'), err.message);
                 this.handleDownloadError(error, pdfUrl);
             });
     }