now its time for me

src/backend/UpdateManger.ts

@@ -11,6 +11,7 @@ import { promises as fs, mkdirSync as mkdir } from "fs"
 import { version } from "punycode";
 import * as git from "simple-git/promise"
 import * as trash from "trash"
+import { type } from "os";
 
 var exec = require('child-process-promise').exec;
 
@@ -134,6 +135,11 @@ export abstract class FSExtension<Status extends FSStatus> extends Extension<Sta
         return await trash(path.resolve(this.prefix, this.name))
     }
 
+    public async update(force?: boolean): Promise<boolean | undefined>{
+        if (force) await this.uninstall()
+        return await this.install()
+    }
+
     public async isEmpty(): Promise<boolean | undefined>{
         if (!this.isInstalled()) return true
         try {
@@ -157,27 +163,29 @@ export abstract class FSExtension<Status extends FSStatus> extends Extension<Sta
 
 type NPMStatus = FSStatus & {
     latest?: string,
-    current?: string, // TODO
+    current?: string,
     author?: string
 }
 
 export class NPMExtension extends FSExtension<NPMStatus>{
 
     constructor(
-        name: string,
+        pkgName: string,
         prefix: string){
-        super(name, prefix)
+        super(pkgName, prefix)
     }
 
     public async status(): Promise<NPMStatus> {
 
         const fsStatus = await super.status()
-        const latest = await this.getLatest()
+        const latest = await this.getLatestVersion()
         const author = await this.getAuthor()
+        const current = await this.getCurrentVersion()
         return {  
             ...fsStatus, 
             latest: latest,
-            author: author
+            author: author,
+            current: current
         }
     }
 
@@ -194,7 +202,7 @@ export class NPMExtension extends FSExtension<NPMStatus>{
         }
     }
     
-    public async uninstall(): Promise<void> {
+    public async uninstall(force?: boolean): Promise<void> {
         super.uninstall()
         logger.info("npm uninstall", this.name, 'from', path.resolve(this.prefix, this.name))
         const { error, stdout, stderr } = await exec('npm uninstall --prefix '+ this.prefix + ' ' + this.name)
@@ -205,7 +213,8 @@ export class NPMExtension extends FSExtension<NPMStatus>{
         }
     }
 
-    public async update(): Promise<boolean> {
+    public async update(force?: boolean): Promise<boolean> {
+        super.update(force)
         logger.info("npm update", path.resolve(this.prefix, this.name))
         const { error, stdout, stderr } = await exec('npm update --prefix '+ this.prefix + ' ' + this.name)
         if (error) {
@@ -247,7 +256,7 @@ export class NPMExtension extends FSExtension<NPMStatus>{
         }
     }
 
-    private async getLatest(): Promise<string | undefined>{
+    private async getLatestVersion(): Promise<string | undefined>{
         const { 
             error, 
             stdout, 
@@ -261,6 +270,10 @@ export class NPMExtension extends FSExtension<NPMStatus>{
             return stdout
         }
     }
+
+    private async getCurrentVersion(): Promise<string | undefined>{
+        return //TODO
+    }
 }
 
 export type GitStatus = FSStatus & {
@@ -272,12 +285,12 @@ export type GitStatus = FSStatus & {
 export class GitExtension<Status extends GitStatus> extends FSExtension<Status>{
     protected repo: git.SimpleGit
     constructor(
-        name:string,
-        prefix:string,
+        repoName:string,
+        localPrefix:string,
         protected gitCloneURL: string,
         protected credentials?: [string, string]
     ){
-        super(name, version)
+        super(repoName, localPrefix)
     }
 
     public async status(): Promise<Status>{
@@ -292,7 +305,7 @@ export class GitExtension<Status extends GitStatus> extends FSExtension<Status>{
     }
 
     public async install(): Promise<boolean> {
-        if (!this.isInstalled()){
+        if (super.install()){
             if (this.credentials){
 
             } else {
@@ -305,7 +318,7 @@ export class GitExtension<Status extends GitStatus> extends FSExtension<Status>{
     
 
     public async update(): Promise<boolean> {
-        return true
+        return true // do git pull remote origin && git checkout 
     }
 
     public async isOutdated(): Promise<boolean> {
@@ -313,6 +326,55 @@ export class GitExtension<Status extends GitStatus> extends FSExtension<Status>{
     }
 }
 
+export type PluginStatus = GitStatus & {
+    hasFrontend: boolean,
+    hasBackend: boolean,
+    isFrontendLoaded: boolean,
+    isBackendLoaded: boolean
+}
+
+export class PluginExtension<Status extends GitStatus> extends GitExtension<Status> {
+    protected frontendLoaded: boolean
+    protected backendLoaded: boolean
+
+    constructor(
+        pluginName: string,
+        gitCloneURL: string,
+        localPrefix: string = './plugins',
+        credentials?: [string, string],
+        protected hasBackend: boolean = true,
+        protected hasFrontend: boolean = true){
+        super(pluginName,localPrefix,gitCloneURL,credentials)
+    }
+
+    public async load(): Promise<void>{
+        if (this.hasFrontend) await this.loadFrontend()
+        if (this.hasBackend) await this.loadBackend()
+    }
+
+    public async loadFrontend(): Promise<void>{
+        return //TODO
+    }
+
+    public async loadBackend(): Promise<void>{
+        return //TODO
+    }
+
+    public async unload(): Promise<void>{
+        if (this.hasFrontend) await this.unloadFrontend()
+        if (this.hasBackend) await this.unloadBackend()
+    }
+
+    public async unloadFrontend(): Promise<void>{
+        return //TODO
+    }
+
+    public async unloadBackend(): Promise<void>{
+        return //TODO
+    }
+
+}
+
 export class UpdateManager extends Plugin{
     
     private loadedPlugins:{[name in string]:Plugin} = {}