Merge pull request #33 from vishnuvinay89/all-saas-0.2-dev

TaskId #236323 task: Bulk Upload User API

Author: gouravmore

src/adapters/postgres/user-adapter.ts

@@ -35,6 +35,7 @@ import { JwtUtil } from '@utils/jwt-token';
 import { ConfigService } from '@nestjs/config';
 import { formatTime } from '@utils/formatTimeConversion';
 import { API_RESPONSES } from '@utils/response.messages';
+import { parse } from 'csv-parse/sync';
 
 
 @Injectable()
@@ -952,6 +953,137 @@ export class PostgresUserService implements IServicelocator {
       return APIResponse.error(response, apiId, "Internal Server Error", errorMessage, HttpStatus.INTERNAL_SERVER_ERROR);
     }
   }
+  async bulkCreateUser(request: any, userCreateDto: UserCreateDto, response: Response) {
+    // check and validate all fields
+    let validatedRoles = await this.validateRequestBody(userCreateDto)
+
+    if (
+      validatedRoles &&
+      Array.isArray(validatedRoles) &&
+      validatedRoles.length > 0
+    ) {
+      const errorMessage = validatedRoles.join("; ");
+      throw new Error(errorMessage);
+    } else if (validatedRoles) {
+      throw new Error("Validation Error");
+    }
+
+    userCreateDto.username = userCreateDto.username.toLocaleLowerCase();
+    const userSchema = new UserCreateDto(userCreateDto);
+
+    let errKeycloak = "";
+    let resKeycloak = "";
+
+    const keycloakResponse = await getKeycloakAdminToken();
+    const token = keycloakResponse.data.access_token;
+    let checkUserinKeyCloakandDb = await this.checkUserinKeyCloakandDb(userCreateDto)
+    // let checkUserinDb = await this.checkUserinKeyCloakandDb(userCreateDto.username);
+    if (checkUserinKeyCloakandDb) {
+      throw new Error('User Already Exist') 
+    }
+    resKeycloak = await createUserInKeyCloak(userSchema, token).catch(
+      (error) => {
+        errKeycloak = error.response?.data.errorMessage;
+        throw new Error(errKeycloak);
+      }
+    );
+
+    userCreateDto.userId = resKeycloak;
+
+    let result = await this.createUserInDatabase(request, userCreateDto, response);
+  }
+
+  async bulkUploadUsers(request: any,csvFile :any, response: Response) {
+    const apiId = APIID.USER_CREATE_BULK;
+    const decoded: any = jwt_decode(request.headers.authorization);
+
+    try {
+      if (csvFile == undefined) {
+        return APIResponse.error(
+          response, 
+          apiId, 
+          "BAD_REQUEST", 
+          "CSV file is required", 
+          HttpStatus.BAD_REQUEST
+        );
+      }
+      const csvData = csvFile.buffer.toString('utf8');
+      
+      // Parse CSV data
+      const records = parse(csvData, {
+        columns: true,
+        skip_empty_lines: true,
+        trim: true
+      });
+  
+      const results = {
+        success: 0,
+        failed: 0,
+        failedDetails: []
+      };
+  
+      // Process each user record
+      for (const record of records) {
+        // Validate required fields
+        if (!record.username || !record.name || !record.password) {
+          results.failed++;
+          results.failedDetails.push({
+            record: record.username || 'Unknown',
+            error: 'Missing required fields (username, name, or password)'
+          });
+          continue;
+        }
+
+        // Create UserCreateDto from CSV record
+        let userCreateDto = 
+        {
+          username :record.username.toLocaleLowerCase(),
+          name : record.name,
+          password : record.password,
+          createdBy : decoded.sub,
+          updatedBy : decoded.sub,
+          tenantCohortRoleMapping : [
+            {
+              roleId: request.body.roleId,
+              tenantId: request.body.tenantId,
+              cohortId: [request.body.cohortId]
+            }
+          ]
+        }
+        const userSchema = new UserCreateDto(userCreateDto);
+        try {
+          await this.bulkCreateUser(request, userSchema, response);
+          results.success++;
+        }
+        catch (error) {
+          results.failed++;
+          results.failedDetails.push({
+            record: record.username || 'Unknown',
+            error : error.message
+          });
+        }
+      }
+  
+      // Return overall results
+      return APIResponse.success(
+        response,
+        apiId,
+        results,
+        HttpStatus.OK,
+        `Bulk upload completed. Success: ${results.success}, Failed: ${results.failed}`
+      );
+  
+    } catch (e) {
+      const errorMessage = e.message || 'Internal server error';
+      return APIResponse.error(
+        response,
+        apiId,
+        "Internal Server Error",
+        errorMessage,
+        HttpStatus.INTERNAL_SERVER_ERROR
+      );
+    }
+  }
 
 
   async validateRequestBody(userCreateDto) {

src/common/utils/api-id.config.ts

@@ -1,6 +1,7 @@
 export const APIID = {
   USER_GET: "api.user.get",
   USER_CREATE: "api.user.create",
+  USER_CREATE_BULK : "api.user.bulkCreate",
   USER_UPDATE: "api.user.update",
   USER_LIST: "api.user.list",
   USER_RESET_PASSWORD: "api.user.resetPassword",

src/user/user.controller.ts

@@ -16,6 +16,8 @@ import {
   Delete,
   ParseUUIDPipe,
   UseFilters,
+  UploadedFile,
+  UseInterceptors
 } from "@nestjs/common";
 
 import {
@@ -31,6 +33,7 @@ import {
   ApiInternalServerErrorResponse,
   ApiBadRequestResponse,
   ApiConflictResponse,
+  ApiConsumes,
 } from "@nestjs/swagger";
 
 import { UserSearchDto } from "./dto/user-search.dto";
@@ -43,6 +46,7 @@ import { AllExceptionsFilter } from "src/common/filters/exception.filter";
 import { APIID } from "src/common/utils/api-id.config";
 import { ForgotPasswordDto, ResetUserPasswordDto, SendPasswordResetLinkDto,learnerForgotPasswordDto } from "./dto/passwordReset.dto";
 import { PostgresUserService } from "src/adapters/postgres/user-adapter";
+import { FileInterceptor } from '@nestjs/platform-express';
 
 export interface UserData {
   context: string;
@@ -115,6 +119,26 @@ export class UserController {
 
   }
 
+  // bulk create of users
+  @UseInterceptors(FileInterceptor('csvFile'))
+  @UseFilters(new AllExceptionsFilter(APIID.USER_CREATE_BULK))
+  @Post("/bulk-create")
+  @UseGuards(JwtAuthGuard)
+  @ApiBasicAuth("access-token")
+  @ApiConsumes('multipart/form-data')
+  @ApiCreatedResponse({ description: "Users have been created successfully." })
+  @ApiForbiddenResponse({ description: "Forbidden" })
+  @ApiHeader({
+    name: "tenantid",
+  })
+  public async bulkCreateUsers(
+    @Req() request: Request,
+    @UploadedFile() csvFile: Express.Multer.File,
+    @Res() response: Response
+  ) {
+    return await this.postgresUserService.bulkUploadUsers(request, csvFile, response)
+  }
+
   @UseFilters(new AllExceptionsFilter(APIID.USER_UPDATE))
   @Patch("update/:userid")
   @UsePipes(new ValidationPipe())