refactor(server): config system (#11081)

packages/backend/server/src/models/base.ts

@@ -2,7 +2,6 @@ import { Inject, Logger } from '@nestjs/common';
 import { TransactionHost } from '@nestjs-cls/transactional';
 import type { TransactionalAdapterPrisma } from '@nestjs-cls/transactional-adapter-prisma';
 
-import { Config } from '../base';
 import type { Models } from '.';
 import { MODELS_SYMBOL } from './provider';
 
@@ -12,9 +11,6 @@ export class BaseModel {
   @Inject(MODELS_SYMBOL)
   protected readonly models!: Models;
 
-  @Inject(Config)
-  protected readonly config!: Config;
-
   @Inject(TransactionHost)
   private readonly txHost!: TransactionHost<TransactionalAdapterPrisma>;
 

packages/backend/server/src/models/config.ts

@@ -0,0 +1,24 @@
+import { Injectable } from '@nestjs/common';
+import { Transactional } from '@nestjs-cls/transactional';
+
+import { BaseModel } from './base';
+
+@Injectable()
+export class AppConfigModel extends BaseModel {
+  async load() {
+    return this.db.appConfig.findMany();
+  }
+
+  @Transactional()
+  async save(user: string, updates: Array<{ key: string; value: any }>) {
+    return await Promise.allSettled(
+      updates.map(async update => {
+        return this.db.appConfig.upsert({
+          where: { id: update.key },
+          update: { value: update.value, lastUpdatedBy: user },
+          create: { id: update.key, value: update.value, lastUpdatedBy: user },
+        });
+      })
+    );
+  }
+}

packages/backend/server/src/models/feature.ts

@@ -133,7 +133,7 @@ export class FeatureModel extends BaseModel {
       const name = key as FeatureName;
       const def = FeatureConfigs[name];
       // self-hosted instance will use pro plan as free plan
-      if (name === 'free_plan_v1' && this.config.isSelfhosted) {
+      if (name === 'free_plan_v1' && env.selfhosted) {
         await this.upsert(
           name,
           FeatureConfigs['pro_plan_v1'].configs,

packages/backend/server/src/models/index.ts

@@ -7,6 +7,7 @@ import {
 import { ModuleRef } from '@nestjs/core';
 
 import { ApplyType } from '../base';
+import { AppConfigModel } from './config';
 import { CopilotContextModel } from './copilot-context';
 import { CopilotJobModel } from './copilot-job';
 import { CopilotSessionModel } from './copilot-session';
@@ -44,6 +45,7 @@ const MODELS = {
   copilotSession: CopilotSessionModel,
   copilotContext: CopilotContextModel,
   copilotJob: CopilotJobModel,
+  appConfig: AppConfigModel,
 };
 
 type ModelsType = {

packages/backend/server/src/models/session.ts

@@ -1,4 +1,4 @@
-import { Injectable } from '@nestjs/common';
+import { Inject, Injectable } from '@nestjs/common';
 import {
   Prisma,
   type Session,
@@ -6,6 +6,7 @@ import {
   type UserSession,
 } from '@prisma/client';
 
+import { Config } from '../base';
 import { BaseModel } from './base';
 
 export type { Session, UserSession };
@@ -13,6 +14,9 @@ export type UserSessionWithUser = UserSession & { user: User };
 
 @Injectable()
 export class SessionModel extends BaseModel {
+  @Inject(Config)
+  private readonly config!: Config;
+
   async createSession() {
     return await this.db.session.create({
       data: {},