selectable persistence providers

terminus-terminal/src/services/sessions.service.ts

@@ -3,8 +3,8 @@ const psNode = require('ps-node')
 let nodePTY
 import * as fs from 'mz/fs'
 import { Subject } from 'rxjs'
-import { Injectable } from '@angular/core'
-import { Logger, LogService, ElectronService } from 'terminus-core'
+import { Injectable, Inject } from '@angular/core'
+import { Logger, LogService, ElectronService, ConfigService } from 'terminus-core'
 import { exec } from 'mz/child_process'
 
 import { SessionOptions, SessionPersistenceProvider } from '../api'
@@ -178,7 +178,8 @@ export class SessionsService {
     private lastID = 0
 
     constructor (
-        private persistence: SessionPersistenceProvider,
+        @Inject(SessionPersistenceProvider) private persistenceProviders: SessionPersistenceProvider[],
+        private config: ConfigService,
         electron: ElectronService,
         log: LogService,
     ) {
@@ -187,9 +188,10 @@ export class SessionsService {
     }
 
     async prepareNewSession (options: SessionOptions): Promise<SessionOptions> {
-        if (this.persistence) {
-            let recoveryId = await this.persistence.startSession(options)
-            options = await this.persistence.attachSession(recoveryId)
+        let persistence = this.getPersistence()
+        if (persistence) {
+            let recoveryId = await persistence.startSession(options)
+            options = await persistence.attachSession(recoveryId)
         }
         return options
     }
@@ -198,10 +200,11 @@ export class SessionsService {
         this.lastID++
         options.name = `session-${this.lastID}`
         let session = new Session(options)
+        let persistence = this.getPersistence()
         session.destroyed$.first().subscribe(() => {
             delete this.sessions[session.name]
-            if (this.persistence) {
-                this.persistence.terminateSession(session.recoveryId)
+            if (persistence) {
+                persistence.terminateSession(session.recoveryId)
             }
         })
         this.sessions[session.name] = session
@@ -209,9 +212,14 @@ export class SessionsService {
     }
 
     async recover (recoveryId: string): Promise<SessionOptions> {
-        if (!this.persistence) {
-            return null
+        let persistence = this.getPersistence()
+        if (persistence) {
+            return await persistence.attachSession(recoveryId)
         }
-        return await this.persistence.attachSession(recoveryId)
+        return null
+    }
+
+    private getPersistence (): SessionPersistenceProvider {
+        return this.persistenceProviders.find(x => x.id === this.config.store.terminal.persistence) || null
     }
 }