feat(challenge_11): add api bulk enroll with ACID transaction

code/src/controllers/api/v1.0/auth/login/index.ts

-import { Req, Res } from "#interface/IApi";
+import { Req, Res } from "#interfaces/IApi";
 import { AuthService } from "#services/authService";
 import { Application } from "express"
 import { Resource } from "express-automatic-routes"

code/src/controllers/api/v1.0/auth/logout/index.ts

-import { Req, Res } from "#interface/IApi";
+import { Req, Res } from "#interfaces/IApi";
 import { authMiddleware } from "#middlewares/authentication";
 import { AuthService } from "#services/authService";
 import { Application } from "express";

code/src/controllers/api/v1.0/auth/profile/index.ts

-import { Req, Res } from "#interface/IApi";
+import { Req, Res } from "#interfaces/IApi";
 import { authMiddleware } from "#middlewares/authentication";
 import { AuthService } from "#services/authService";
 import { Application } from "express";

code/src/controllers/api/v1.0/auth/register/index.ts

-import { Req, Res } from "#interface/IApi";
+import { Req, Res } from "#interfaces/IApi";
 import { AuthService } from "#services/authService";
 import { Application } from "express";
 import { Resource } from "express-automatic-routes";

code/src/controllers/api/v1.0/auth/send-otp/index.ts

-import { Req, Res } from "#interface/IApi";
+import { Req, Res } from "#interfaces/IApi";
 import { authMiddleware } from "#middlewares/authentication";
 import { AuthService } from "#services/authService.js";
 import { MailService } from "#services/mailService.js";

code/src/controllers/api/v1.0/auth/verify-otp/index.ts

-import { Req, Res } from "#interface/IApi";
+import { Req, Res } from "#interfaces/IApi";
 import { authMiddleware } from "#middlewares/authentication";
 import { AuthService } from "#services/authService.js";
 import { Application } from "express";

code/src/controllers/api/v1.0/classes/index.ts

 import type { Application } from "express";
 import type { Resource } from "express-automatic-routes";
 import { ClassesProvider } from "#providers/ClassesProvider";
-import { Req, Res } from "#interface/IApi";
+import { Req, Res } from "#interfaces/IApi";
 import queryModifier from "#middlewares/request";
 import { authorize } from "#middlewares/authorization";
 import { authMiddleware } from "#middlewares/authentication";
@@ -28,7 +28,7 @@ export default (_express: Application) => {
      *         content:
      *           application/json:
      *             schema:
-    *               $ref: "#/components/schemas/ClassListResponse"
+     *               $ref: "#/components/schemas/ClassListResponse"
      */
     get: {
       middleware: [queryModifier, authMiddleware, authorize('admin', 'instructor')],

code/src/controllers/api/v1.0/classes/{id}.ts

 import type { Application } from "express";
 import type { Resource } from "express-automatic-routes";
 import { ClassesProvider } from "#providers/ClassesProvider.js";
-import { Req, Res } from "#interface/IApi";
+import { Req, Res } from "#interfaces/IApi";
 import { authorize } from "#middlewares/authorization";
 import queryModifier from "#middlewares/request";
 import { authMiddleware } from "#middlewares/authentication";
@@ -72,7 +72,6 @@ export default (_express: Application) => {
      *         required: true
      *         schema:
      *           type: string
-     * 
      *     requestBody:
      *       required: true
      *       content:

code/src/controllers/api/v1.0/classes/{id}/bulk-enroll.ts

+import { Req, Res } from "#interfaces/IApi.js";
+import { authMiddleware } from "#middlewares/authentication.js";
+import { authorize } from "#middlewares/authorization.js";
+import queryModifier from "#middlewares/request.js";
+import { ClassesProvider } from "#providers/ClassesProvider.js";
+import { Application } from "express";
+import { Resource } from "express-automatic-routes";
+
+export default (_express: Application) => {
+  const classesProvider = new ClassesProvider();
+  return <Resource>{
+    /**
+     * @openapi
+     * /api/v1.0/classes/{id}/bulk-enroll:
+     *   post:
+     *     tags: [Classes]
+     *     security:
+     *       - bearerAuth: []
+     *     description: Đăng ký hàng loạt học viên
+     *     parameters:
+     *       - name: id
+     *         in: path
+     *         required: true
+     *         schema:
+     *           type: string
+     *     requestBody:
+     *       required: true
+     *       content:
+     *         application/json:
+     *           schema:
+     *             $ref: "#/components/schemas/BulkEnrollInput"
+     *     responses:
+     *       201:
+     *         description: Đăng ký tham gia lớp học thành công
+     *         content:
+     *           application/json:
+     *             schema:
+     *               $ref: "#/components/schemas/BulkEnrollResponse"
+     */
+    post: {
+      middleware: [queryModifier, authMiddleware, authorize('admin')],
+
+      handler: async (req: Req, res: Res) => {
+        try {
+          const { id } = req.params;
+
+          if (!id || typeof id !== 'string') {
+            return res.sendError({
+              message: "ID không hợp lệ!",
+              message_en: "Invalid ID!",
+              status: 400
+            });
+          }
+
+          const result = await classesProvider.bulkEnrollStudents(id, req.body.student_emails);
+
+          return res.sendOk({ data: result });
+        } catch (error: any) {
+          console.error('Error enrolling students:', error);
+          return res.sendError({
+            message: error.message || 'Đã xảy ra lỗi khi đăng ký tham gia lớp học',
+            message_en: 'An error occurred while enrolling students in the class',
+            status: 400
+          });
+        }
+      }
+    }
+  }
+};
\ No newline at end of file

code/src/controllers/api/v1.0/courses/{id}.ts

 import type { Application } from "express";
 import type { Resource } from "express-automatic-routes";
 import { CoursesProvider } from "#providers/CoursesProvider.js";
-import { Req, Res } from "#interface/IApi";
+import { Req, Res } from "#interfaces/IApi";
 import queryModifier from "#middlewares/request";
 import { authorize } from "#middlewares/authorization";
 import { authMiddleware } from "#middlewares/authentication";

code/src/controllers/api/v1.0/enrollments/all-student-in-class/index.ts

 import type { Application } from "express";
 import type { Resource } from "express-automatic-routes";
 import { EnrollProvider } from "#providers/EnrollProvider.js";
-import { Req, Res } from "#interface/IApi";
+import { Req, Res } from "#interfaces/IApi";
 import queryModifier from "#middlewares/request";
 
 export default (_express: Application) => {

code/src/controllers/api/v1.0/enrollments/enroll/index.ts

@@ -3,7 +3,7 @@ import type { Resource } from "express-automatic-routes";
 import { EnrollProvider } from "#providers/EnrollProvider.js";
 import { authorize } from "#middlewares/authorization";
 import { authMiddleware } from "#middlewares/authentication";
-import { Req, Res } from "#interface/IApi";
+import { Req, Res } from "#interfaces/IApi";
 import queryModifier from "#middlewares/request";
 
 export default (_express: Application) => {

code/src/controllers/api/v1.0/enrollments/unenroll/index.ts

 import type { Application } from "express";
 import type { Resource } from "express-automatic-routes";
 import { EnrollProvider } from "#providers/EnrollProvider.js";
-import { authorize } from "#middlewares/authorization";
-import { Req, Res } from "#interface/IApi";
+import { Req, Res } from "#interfaces/IApi";
 import queryModifier from "#middlewares/request";
 
 export default (_express: Application) => {

code/src/controllers/api/v1.0/roles/index.ts

-import { Req, Res } from "#interface/IApi";
+import { Req, Res } from "#interfaces/IApi";
 import { RolesProvider } from "#providers/RolesProvider.js";
 import { Application } from "express";
 import { Resource } from "express-automatic-routes";

code/src/controllers/api/v1.0/roles/set-role/index.ts

-import { Req, Res } from "#interface/IApi";
+import { Req, Res } from "#interfaces/IApi";
 import { RolesProvider } from "#providers/RolesProvider.js";
 import { Application } from "express";
 import { Resource } from "express-automatic-routes";

code/src/docs/swagger/swagger-output.json

@@ -224,6 +224,94 @@
           }
         }
       },
+      "BulkEnrollInput": {
+        "type": "object",
+        "required": [
+          "student_emails"
+        ],
+        "properties": {
+          "student_emails": {
+            "type": "array",
+            "items": {
+              "type": "string",
+              "format": "email"
+            },
+            "example": [
+              "student1@example.com",
+              "student2@example.com",
+              "student3@example.com"
+            ]
+          }
+        }
+      },
+      "BulkEnrollResponse": {
+        "type": "object",
+        "properties": {
+          "message": {
+            "type": "string",
+            "nullable": true
+          },
+          "message_en": {
+            "type": "string",
+            "nullable": true
+          },
+          "responseData": {
+            "type": "object",
+            "properties": {
+              "enrolled_students": {
+                "type": "array",
+                "items": {
+                  "type": "object",
+                  "properties": {
+                    "email": {
+                      "type": "string",
+                      "format": "email"
+                    },
+                    "status": {
+                      "type": "string"
+                    }
+                  }
+                },
+                "example": [
+                  {
+                    "email": "student1@example.com",
+                    "status": "enrolled"
+                  },
+                  {
+                    "email": "student2@example.com",
+                    "status": "enrolled"
+                  }
+                ]
+              }
+            }
+          },
+          "status": {
+            "type": "string",
+            "example": "success"
+          },
+          "timeStamp": {
+            "type": "string",
+            "example": "2024-02-26 03:12:45"
+          },
+          "violations": {
+            "type": "array",
+            "items": {
+              "type": "object",
+              "properties": {
+                "code": {
+                  "type": "number"
+                },
+                "message": {
+                  "type": "string"
+                },
+                "action": {
+                  "nullable": true
+                }
+              }
+            }
+          }
+        }
+      },
       "Course": {
         "type": "object",
         "example": {
@@ -430,14 +518,14 @@
       "LoginInput": {
         "type": "object",
         "example": {
-          "email": "phamquangbao@example.com",
+          "email": "baobuibam2003@gmail.com",
           "password": "123456"
         },
         "properties": {
           "email": {
             "type": "string",
             "format": "email",
-            "example": "phamquangbao@example.com"
+            "example": "baobuibam2003@gmail.com"
           },
           "password": {
             "type": "string",
@@ -1146,6 +1234,51 @@
         }
       }
     },
+    "/api/v1.0/classes/{id}/bulk-enroll": {
+      "post": {
+        "tags": [
+          "Classes"
+        ],
+        "security": [
+          {
+            "bearerAuth": []
+          }
+        ],
+        "description": "Đăng ký hàng loạt học viên",
+        "parameters": [
+          {
+            "name": "id",
+            "in": "path",
+            "required": true,
+            "schema": {
+              "type": "string"
+            }
+          }
+        ],
+        "requestBody": {
+          "required": true,
+          "content": {
+            "application/json": {
+              "schema": {
+                "$ref": "#/components/schemas/BulkEnrollInput"
+              }
+            }
+          }
+        },
+        "responses": {
+          "201": {
+            "description": "Đăng ký tham gia lớp học thành công",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BulkEnrollResponse"
+                }
+              }
+            }
+          }
+        }
+      }
+    },
     "/api/v1.0/classes": {
       "get": {
         "tags": [

code/src/providers/ClassesProvider.ts

 import { payload } from '#interfaces/IApi';
-import { models } from '#models/sequelize-config.js';
+import { models, sequelize } from '#models/sequelize-config.js';
 
 interface CreateClassInput {
   name: string;
@@ -59,4 +59,43 @@ export class ClassesProvider {
     });
     return deletedClass;
   }
+
+  async bulkEnrollStudents(classId: string, student_emails: string[]) {
+
+    const result = await sequelize.transaction(async (t) => {
+
+      const ids = await models.users.findAll({
+        where: {
+          email: student_emails
+        },
+        attributes: ['id', 'email'],
+        raw: true,
+        transaction: t
+      });
+
+      if (!ids || ids.length !== student_emails.length) {
+        const foundEmails = ids.map(u => u.email);
+        const invalidEmails = student_emails.filter(email => !foundEmails.includes(email));
+
+        throw new Error(`Đăng ký thất bại. Có ${invalidEmails.length} email không hợp lệ: [${invalidEmails.join(', ')}]`);
+      }
+
+      const enrollmentsRaw = student_emails.map(email => ({
+        class_id: classId,
+        user_id: ids.find(u => u.email === email)?.id,
+        status: 'enrolled',
+      }));
+
+      const enrollments = enrollmentsRaw.filter(
+        (item): item is { class_id: string; user_id: string; status: string } => item.user_id !== undefined
+      );
+
+      if (enrollments.length === 0) return [];
+
+      const result = await models.enrollments.bulkCreate(enrollments, { transaction: t });
+      return result;
+    });
+
+    return result;
+  }
 }
\ No newline at end of file

code/src/templates/swagger/classes/schemas.ts

@@ -181,7 +181,95 @@ const classSchemas = {
         example: '7c1a4d9c-3a2b-4c58-9df4-8e2c2d9a3c10',
       },
     },
-  }
+  },
+
+  BulkEnrollInput: {
+    type: 'object',
+    required: ['student_emails'],
+    properties: {
+      student_emails: {
+        type: 'array',
+        items: {
+          type: 'string',
+          format: 'email',
+        },
+        example: [
+          'student1@example.com',
+          'student2@example.com',
+          'student3@example.com',
+        ],
+      },
+    },
+  },
+
+  BulkEnrollResponse: {
+    type: 'object',
+    properties: {
+      message: {
+        type: 'string',
+        nullable: true,
+      },
+      message_en: {
+        type: 'string',
+        nullable: true,
+      },
+      responseData: {
+        type: 'object',
+        properties: {
+          enrolled_students: {
+            type: 'array',
+            items: {
+              type: 'object',
+              properties: {
+                email: {
+                  type: 'string',
+                  format: 'email',
+                },
+                status: {
+                  type: 'string',
+                },
+              },
+            },
+            example: [
+              {
+                email: 'student1@example.com',
+                status: 'enrolled',
+              },
+              {
+                email: 'student2@example.com',
+                status: 'enrolled',
+              },
+            ],
+          },
+        },
+      },
+      status: {
+        type: 'string',
+        example: 'success',
+      },
+      timeStamp: {
+        type: 'string',
+        example: '2024-02-26 03:12:45',
+      },
+      violations: {
+        type: 'array',
+        items: {
+          type: 'object',
+          properties: {
+            code: {
+              type: 'number',
+            },
+            message: {
+              type: 'string',
+            },
+            action: {
+              nullable: true,
+            },
+          },
+        },
+      },
+    },
+  },
 };
 
 export default classSchemas;
\ No newline at end of file

code/src/templates/swagger/login/schemas.ts

@@ -15,14 +15,14 @@ const loginSchemas = {
   LoginInput: {
     type: 'object',
     example: {
-      email: 'phamquangbao@example.com',
+      email: 'baobuibam2003@gmail.com',
       password: '123456',
     },
     properties: {
       email: {
         type: 'string',
         format: 'email',
-        example: 'phamquangbao@example.com',
+        example: 'baobuibam2003@gmail.com',
       },
       password: {
         type: 'string',