Download backup async

src/_services/network.service.js

@@ -19,7 +19,8 @@ export const networkService = {
     deleteNetwork,
     requestNetworkKeys,
     retrieveNetworkKeys,
-    retrieveBackupPackage,
+    startBackupPackageDownload,
+    downloadBackupPackage,
     getNetworkBackups,
     getLogFlag, enableLog, disableLog
 };
@@ -89,11 +90,26 @@ function retrieveNetworkKeys(userId, networkId, code, password, messages, errors
             .then(netKeyObj => netKeyObj.data)
             .then(util.handleDataToDownloadAsFile('restore.' + networkId + '.key', 'text/plain'));
 }
-function retrieveBackupPackage(userId, networkId, code, password, backupId, messages, errors) {
-    return fetch(
-            `${config.apiUrl}/users/${userId}/networks/${networkId}/actions/keys/${code}/backups/${backupId}/download`,
-            util.postWithAuth({ name: 'password', value: password })
-    ).then(util.handleResponseToDownloadAsFile('backup.' + networkId + '.tgz.enc'));
+function startBackupPackageDownload(userId, networkId, code, password, backupId, messages, errors) {
+    return fetch(`${config.apiUrl}/users/${userId}/networks/${networkId}/actions/keys/${code}/backups/start?backupId=${backupId}`,
+                 util.postWithAuth({ name: 'password', value: password }))
+            .then(util.handleCrudResponse(messages, errors))
+    // ).then(util.handleResponseToDownloadAsFile('backup.' + networkId + '.tgz.enc'));
+}
+
+function downloadBackupPackage(userId, networkId, code, messages, errors) {
+    return fetch(`${config.apiUrl}/users/${userId}/networks/${networkId}/actions/keys/${code}/backups/download`,
+                 util.postWithAuth({ name: 'password', value: password }))
+            .then(response => {
+                if (response.status == 202) {
+                    // accepted, but not yet done
+                    setTimeout(() => downloadBackupPackage(userId, networkId, code, messages, errors), 5000);
+                } else if (response.ok) {
+                    return util.downloadBlob(response.blob(), ('backup.' + networkId + '.tgz.enc'));
+                } else {
+                    return response;
+                }
+            });
 }
 
 function getNetworkBackups(userId, networkId, messages, errors) {

src/_store/networks.module.js

@@ -158,8 +158,13 @@ const actions = {
 
     retrieveLatestBackupPackage({ commit }, {userId, networkId, code, password, messages, errors}) {
         commit('retrieveLatestBackupPackageRequest');
-        networkService.retrieveBackupPackage(userId, networkId, code, password, state.backups[0].uuid, messages, errors)
-                      .then(ok => commit('retrieveLatestBackupPackageSuccess'),
+        networkService.startBackupPackageDownload(userId, networkId, code, password, state.backups[0].uuid,
+                                                  messages, errors)
+                      .then(ok => {
+                              networkService.downloadBackupPackage(userId, networkId, code, messages, errors)
+                                            .then(ok => commit('retrieveLatestBackupPackageSuccess'),
+                                                  error => commit('retrieveLatestBackupPackageFailure', error));
+                            },
                             error => commit('retrieveLatestBackupPackageFailure', error));
     },