Pause downloads (#385)

* Add new notifications

* Integrate install paused notifications

* Add link to Kite unavailable page

* Update kite-api and kite-connector

package.json

@@ -389,8 +389,8 @@
     "install-local": "vsce package && code --install-extension kite-*.vsix && rm kite-*.vsix"
   },
   "dependencies": {
-    "kite-api": "=3.20.0",
-    "kite-connector": "=3.14.0",
+    "kite-api": "=3.21.0",
+    "kite-connector": "=3.16.0",
     "md5": "^2.2.0",
     "mixpanel": "^0.5.0",
     "open": "^7.3.0",

src/constants.js

@@ -134,6 +134,8 @@ const KITE_BRANDING = " 𝕜𝕚𝕥𝕖 ";
 
 const OFFSET_ENCODING = "utf-16";
 
+const INSTALL_PAUSED_NOTIFICATION_SHOWN = "kite.hasShownInstallPausedNotification";
+
 export {
   ATTEMPTS,
   INTERVAL,
@@ -141,6 +143,7 @@ export {
   CompletionsSupport,
   SupportedExtensions,
   IsSupportedFile,
+  INSTALL_PAUSED_NOTIFICATION_SHOWN,
   CONNECT_ERROR_LOCKOUT,
   ERROR_COLOR,
   WARNING_COLOR,

src/kite.js

@@ -15,6 +15,7 @@ import {
   PythonHoverSupport,
   PythonSignaturesSupport,
   IsSupportedFile,
+  INSTALL_PAUSED_NOTIFICATION_SHOWN,
 } from "./constants";
 import { KiteHoverProvider, DocsCommands } from "./docs";
 import KiteCompletionProvider from "./completion";
@@ -52,7 +53,7 @@ export const Kite = {
 
   _activate() {
     if (this.globalState.setKeysForSync) {
-      this.globalState.setKeysForSync(["kite.showWelcomeNotificationOnStartup"]);
+      this.globalState.setKeysForSync(["kite.showWelcomeNotificationOnStartup", INSTALL_PAUSED_NOTIFICATION_SHOWN]);
     }
 
     metrics.featureRequested("starting");
@@ -465,7 +466,8 @@ export const Kite = {
               return state;
             }
             this.shown[state] = true;
-            NotificationsManager.showKiteInstallNotification(() => {
+
+            const installFunc = () => {
               NotificationsManager.showKiteDownloadingNotification();
               this.installing = true;
               KiteAPI.downloadKiteRelease({
@@ -477,6 +479,22 @@ export const Kite = {
               .catch(e => {
                 NotificationsManager.showKiteInstallErrorNotification(e);
               });
+            }
+
+            KiteAPI.canDownloadKite().then(yes => {
+              if (!yes) {
+                if (!this.globalState.get(INSTALL_PAUSED_NOTIFICATION_SHOWN)) {
+                  NotificationsManager.showKiteInstallPausedNotification();
+                  this.globalState.update(INSTALL_PAUSED_NOTIFICATION_SHOWN, true);
+                }
+                return;
+              }
+              if (this.globalState.get(INSTALL_PAUSED_NOTIFICATION_SHOWN)) {
+                NotificationsManager.showKiteInstallResumedNotification(installFunc);
+                this.globalState.update(INSTALL_PAUSED_NOTIFICATION_SHOWN, undefined);
+              } else {
+                NotificationsManager.showKiteInstallNotification(installFunc);
+              }
             });
             break;
           case KiteAPI.STATES.INSTALLED:

src/notifications.js

@@ -99,6 +99,48 @@ export default class NotificationsManager {
       .then(hasDone => !hasDone && openKiteTutorial('python'));
   }
 
+  static showKiteInstallPausedNotification() {
+    vscode.window
+    .showInformationMessage(
+      "The Kite Copilot cannot be installed for the time being. We'll notify you when it's available again.",
+      "OK",
+      "Learn More"
+    )
+    .then(item => {
+      switch (item) {
+        case "OK":
+          break;
+        case "Learn More":
+          open("https://kite.com/kite-is-temporarily-unavailable/?source=vscode");
+          break;
+      }
+    });
+  }
+
+  static showKiteInstallResumedNotification(install) {
+    vscode.window
+    .showInformationMessage(
+      "The Kite Copilot is installable again. Kite requires the Kite Copilot desktop application to provide completions and documentation. Please install it to use Kite.",
+      "Install",
+      "Learn More"
+    )
+    .then(item => {
+      switch (item) {
+        case "Install":
+          if (!install) {
+            open("https://www.kite.com/install/?utm_medium=editor&utm_source=vscode");
+            metrics.track("vscode_kite_installer_github_link_clicked")
+          } else {
+            install();
+          }
+          break;
+        case "Learn More":
+          open("https://www.kite.com/copilot/");
+          break;
+      }
+    });
+  }
+
   static showKiteInstallNotification(install) {
     metrics.track("vscode_kite_installer_notification_shown");
     vscode.window