From a8ce263dc9c551b23bbf2026ba6b810770e446e0 Mon Sep 17 00:00:00 2001
From: Roman <ixrock@gmail.com>
Date: Mon, 31 Aug 2020 17:47:01 +0300
Subject: [PATCH] extensions-api -- in-progress

Signed-off-by: Roman <ixrock@gmail.com>
---
 .../extension-example/extension-example.ts        |  0
 src/extensions/extension-example/package.json     |  8 ++++++++
 src/extensions/extension-store.ts                 | 13 ++++++++++++-
 src/extensions/extension.ts                       | 15 ++++++++++++++-
 4 files changed, 34 insertions(+), 2 deletions(-)
 create mode 100644 src/extensions/extension-example/extension-example.ts
 create mode 100644 src/extensions/extension-example/package.json

diff --git a/src/extensions/extension-example/extension-example.ts b/src/extensions/extension-example/extension-example.ts
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/src/extensions/extension-example/package.json b/src/extensions/extension-example/package.json
new file mode 100644
index 0000000000..e82d8d3278
--- /dev/null
+++ b/src/extensions/extension-example/package.json
@@ -0,0 +1,8 @@
+{
+  "name": "extension-example",
+  "version": "1.0.0",
+  "description": "Example extension",
+  "main": "extension-example.ts",
+  "dependencies": {
+  }
+}
diff --git a/src/extensions/extension-store.ts b/src/extensions/extension-store.ts
index e12abacb8f..d5c194935d 100644
--- a/src/extensions/extension-store.ts
+++ b/src/extensions/extension-store.ts
@@ -1,6 +1,8 @@
+import path from "path";
 import { action, observable, toJS } from "mobx";
 import { BaseStore } from "../common/base-store";
 import { LensExtension } from "./extension";
+import { isDevelopment } from "../common/vars";
 
 export type ExtensionId = string;
 export type ExtensionVersion = string | number;
@@ -16,6 +18,7 @@ export interface ExtensionModel {
   name: string;
   description?: string;
   enabled?: boolean;
+  updateUrl?: string;
 }
 
 export class ExtensionStore extends BaseStore<ExtensionStoreModel> {
@@ -29,6 +32,13 @@ export class ExtensionStore extends BaseStore<ExtensionStoreModel> {
   @observable extensions = observable.map<ExtensionId, LensExtension>();
   @observable removed = observable.map<ExtensionId, LensExtension>();
 
+  get builtInExtensionsPath(): string {
+    if (isDevelopment) {
+      return path.resolve(__static, "../src/extensions");
+    }
+    return "" // todo: figure out prod-path
+  }
+
   getById(id: ExtensionId): LensExtension {
     return this.extensions.get(id);
   }
@@ -36,8 +46,9 @@ export class ExtensionStore extends BaseStore<ExtensionStoreModel> {
   async removeById(id: ExtensionId) {
     const extension = this.getById(id);
     if (extension) {
+      const unInstallStatus = await extension.uninstall()
       this.extensions.delete(id);
-      return extension.uninstall();
+      return unInstallStatus;
     }
   }
 
diff --git a/src/extensions/extension.ts b/src/extensions/extension.ts
index 1e1eb48333..b85f10da80 100644
--- a/src/extensions/extension.ts
+++ b/src/extensions/extension.ts
@@ -1,23 +1,32 @@
 import { observable } from "mobx";
 import { ExtensionModel } from "./extension-store";
 
+// TODO: extensions api
+// * Lazy load/unload extension (js/ts?) (from sources: local folder, npm_modules/@lens/some_plugin, etc.)
+// * figure out how to expose lens external apis to extension:
+// - opt1: import {someApi} from "@lens" => replaced to import from "$PATH/build/Lens.js" on the fly ?
+// - opt2: eval with injected exposed apis / contents.executeJavaScript / script[src] / etc. ?
+
 export type ExtensionId = string;
 export type ExtensionVersion = string | number;
 
 export class LensExtension implements ExtensionModel {
   public id: ExtensionId;
   public version: string | number;
+  public updateUrl: string;
 
   @observable name = "";
   @observable description = "";
   @observable isEnabled = false;
+  @observable isInstalled = false;
 
   constructor(model: ExtensionModel) {
     this.importModel(model);
   }
 
-  importModel(model: ExtensionModel) {
+  importModel({ enabled, ...model }: ExtensionModel) {
     Object.assign(this, model);
+    this.isEnabled = enabled;
   }
 
   async install() {
@@ -28,6 +37,10 @@ export class LensExtension implements ExtensionModel {
     // todo
   }
 
+  async checkNewVersion() {
+    // todo
+  }
+
   async enable() {
     // todo
   }