Add twilio softphone with integrated AI assistant

backend/src/tenant/tenant-database.service.ts

@@ -242,4 +242,26 @@ export class TenantDatabaseService {
     decrypted += decipher.final('utf8');
     return decrypted;
   }
+
+  /**
+   * Encrypt integrations config JSON object
+   * @param config - Plain object containing integration credentials
+   * @returns Encrypted JSON string
+   */
+  encryptIntegrationsConfig(config: any): string {
+    if (!config) return null;
+    const jsonString = JSON.stringify(config);
+    return this.encryptPassword(jsonString);
+  }
+
+  /**
+   * Decrypt integrations config JSON string
+   * @param encryptedConfig - Encrypted JSON string
+   * @returns Plain object with integration credentials
+   */
+  decryptIntegrationsConfig(encryptedConfig: string): any {
+    if (!encryptedConfig) return null;
+    const decrypted = this.decryptPassword(encryptedConfig);
+    return JSON.parse(decrypted);
+  }
 }

backend/src/tenant/tenant-provisioning.service.ts

@@ -176,7 +176,7 @@ export class TenantProvisioningService {
    * Seed default data for new tenant
    */
   private async seedDefaultData(tenantId: string) {
-    const tenantKnex = await this.tenantDbService.getTenantKnex(tenantId);
+    const tenantKnex = await this.tenantDbService.getTenantKnexById(tenantId);
 
     try {
       // Create default roles

backend/src/tenant/tenant.controller.ts

@@ -0,0 +1,155 @@
+import {
+  Controller,
+  Get,
+  Put,
+  Body,
+  UseGuards,
+  Req,
+} from '@nestjs/common';
+import { JwtAuthGuard } from '../auth/jwt-auth.guard';
+import { TenantDatabaseService } from './tenant-database.service';
+import { getCentralPrisma } from '../prisma/central-prisma.service';
+import { TenantId } from './tenant.decorator';
+
+@Controller('tenant')
+@UseGuards(JwtAuthGuard)
+export class TenantController {
+  constructor(private readonly tenantDbService: TenantDatabaseService) {}
+
+  /**
+   * Get integrations configuration for the current tenant
+   */
+  @Get('integrations')
+  async getIntegrationsConfig(@TenantId() domain: string) {
+    const centralPrisma = getCentralPrisma();
+    
+    // Look up tenant by domain
+    const domainRecord = await centralPrisma.domain.findUnique({
+      where: { domain },
+      include: { tenant: { select: { id: true, integrationsConfig: true } } },
+    });
+
+    if (!domainRecord?.tenant || !domainRecord.tenant.integrationsConfig) {
+      return { data: null };
+    }
+
+    // Decrypt the config
+    const config = this.tenantDbService.decryptIntegrationsConfig(
+      domainRecord.tenant.integrationsConfig as any,
+    );
+
+    // Return config with sensitive fields masked
+    const maskedConfig = this.maskSensitiveFields(config);
+
+    return { data: maskedConfig };
+  }
+
+  /**
+   * Update integrations configuration for the current tenant
+   */
+  @Put('integrations')
+  async updateIntegrationsConfig(
+    @TenantId() domain: string,
+    @Body() body: { integrationsConfig: any },
+  ) {
+    const { integrationsConfig } = body;
+
+    if (!domain) {
+      throw new Error('Domain is missing from request');
+    }
+
+    // Look up tenant by domain
+    const centralPrisma = getCentralPrisma();
+    const domainRecord = await centralPrisma.domain.findUnique({
+      where: { domain },
+      include: { tenant: { select: { id: true, integrationsConfig: true } } },
+    });
+
+    if (!domainRecord?.tenant) {
+      throw new Error(`Tenant with domain ${domain} not found`);
+    }
+
+    // Merge with existing config to preserve masked values
+    let finalConfig = integrationsConfig;
+    if (domainRecord.tenant.integrationsConfig) {
+      const existingConfig = this.tenantDbService.decryptIntegrationsConfig(
+        domainRecord.tenant.integrationsConfig as any,
+      );
+
+      // Replace masked values with actual values from existing config
+      finalConfig = this.unmaskConfig(integrationsConfig, existingConfig);
+    }
+
+    // Encrypt the config
+    const encryptedConfig = this.tenantDbService.encryptIntegrationsConfig(
+      finalConfig,
+    );
+
+    // Update in database
+    await centralPrisma.tenant.update({
+      where: { id: domainRecord.tenant.id },
+      data: {
+        integrationsConfig: encryptedConfig as any,
+      },
+    });
+
+    return {
+      success: true,
+      message: 'Integrations configuration updated successfully',
+    };
+  }
+
+  /**
+   * Unmask config by replacing masked values with actual values from existing config
+   */
+  private unmaskConfig(newConfig: any, existingConfig: any): any {
+    const result = { ...newConfig };
+
+    // Unmask Twilio credentials
+    if (result.twilio && existingConfig.twilio) {
+      if (result.twilio.authToken === '••••••••' && existingConfig.twilio.authToken) {
+        result.twilio.authToken = existingConfig.twilio.authToken;
+      }
+      if (result.twilio.apiSecret === '••••••••' && existingConfig.twilio.apiSecret) {
+        result.twilio.apiSecret = existingConfig.twilio.apiSecret;
+      }
+    }
+
+    // Unmask OpenAI credentials
+    if (result.openai && existingConfig.openai) {
+      if (result.openai.apiKey === '••••••••' && existingConfig.openai.apiKey) {
+        result.openai.apiKey = existingConfig.openai.apiKey;
+      }
+    }
+
+    return result;
+  }
+
+  /**
+   * Mask sensitive fields for API responses
+   */
+  private maskSensitiveFields(config: any): any {
+    if (!config) return null;
+
+    const masked = { ...config };
+
+    // Mask Twilio credentials
+    if (masked.twilio) {
+      masked.twilio = {
+        ...masked.twilio,
+        authToken: masked.twilio.authToken ? '••••••••' : '',
+        apiSecret: masked.twilio.apiSecret ? '••••••••' : '',
+      };
+    }
+
+    // Mask OpenAI credentials
+    if (masked.openai) {
+      masked.openai = {
+        ...masked.openai,
+        apiKey: masked.openai.apiKey ? '••••••••' : '',
+      };
+    }
+
+    return masked;
+  }
+}

backend/src/tenant/tenant.module.ts

@@ -4,11 +4,12 @@ import { TenantDatabaseService } from './tenant-database.service';
 import { TenantProvisioningService } from './tenant-provisioning.service';
 import { TenantProvisioningController } from './tenant-provisioning.controller';
 import { CentralAdminController } from './central-admin.controller';
+import { TenantController } from './tenant.controller';
 import { PrismaModule } from '../prisma/prisma.module';
 
 @Module({
   imports: [PrismaModule],
-  controllers: [TenantProvisioningController, CentralAdminController],
+  controllers: [TenantProvisioningController, CentralAdminController, TenantController],
   providers: [
     TenantDatabaseService,
     TenantProvisioningService,