refactor(backend): 일일 이슈 보고 API 전체 리팩토링

- dailyIssueReport 기능을 Controller-Service-Model 아키텍처로 재구성
- Model 계층을 Promise 기반으로 전환하고 트랜잭션을 적용하여 안정성 확보
- API 전반의 코드 품질 및 유지보수성 향상

api.hyungi.net/controllers/dailyIssueReportController.js

@@ -1,110 +1,58 @@
-const dailyIssueReportModel = require('../models/dailyIssueReportModel');
+// /controllers/dailyIssueReportController.js
+const dailyIssueReportService = require('../services/dailyIssueReportService');
 
-// 1. CREATE: 단일 또는 다중 등록 (worker_id 배열 지원)
-exports.createDailyIssueReport = async (req, res) => {
+/**
+ * 1. CREATE: 일일 이슈 보고서 생성 (Service Layer 사용)
+ */
+const createDailyIssueReport = async (req, res) => {
   try {
-    const body = req.body;
-
-    // 기본 필드
-    const base = {
-      date: body.date,
-      project_id: body.project_id,
-      start_time: body.start_time,
-      end_time: body.end_time,
-      issue_type_id: body.issue_type_id
-    };
-
-    if (!base.date || !base.project_id || !base.start_time || !base.end_time || !base.issue_type_id || !body.worker_id) {
-      return res.status(400).json({ error: '필수 필드 누락' });
-    }
-
-    // worker_id 배열화
-    const workers = Array.isArray(body.worker_id) ? body.worker_id : [body.worker_id];
-    const insertedIds = [];
-
-    for (const wid of workers) {
-      const payload = { ...base, worker_id: wid };
-
-      const insertId = await new Promise((resolve, reject) => {
-        dailyIssueReportModel.create(payload, (err, id) => {
-          if (err) reject(err);
-          else resolve(id);
-        });
-      });
-
-      insertedIds.push(insertId);
-    }
-
-    res.json({ success: true, issue_report_ids: insertedIds });
+    // 프론트엔드에서 worker_ids로 보내주기로 약속함
+    const issueData = { ...req.body, worker_ids: req.body.worker_ids || req.body.worker_id };
+    
+    const result = await dailyIssueReportService.createDailyIssueReportService(issueData);
+    
+    res.status(201).json({ success: true, ...result });
   } catch (err) {
-    console.error('🔥 createDailyIssueReport error:', err);
-    res.status(500).json({ error: err.message || String(err) });
+    console.error('💥 이슈 보고서 생성 컨트롤러 오류:', err);
+    res.status(400).json({ success: false, error: err.message });
   }
 };
 
-// 2. READ BY DATE
-exports.getDailyIssuesByDate = async (req, res) => {
+/**
+ * 2. READ BY DATE: 날짜별 이슈 조회 (Service Layer 사용)
+ */
+const getDailyIssuesByDate = async (req, res) => {
   try {
     const { date } = req.query;
-    const rows = await new Promise((resolve, reject) => {
-      dailyIssueReportModel.getAllByDate(date, (err, data) => {
-        if (err) reject(err);
-        else resolve(data);
-      });
-    });
-    res.json(rows);
+    const issues = await dailyIssueReportService.getDailyIssuesByDateService(date);
+    res.json(issues);
   } catch (err) {
-    res.status(500).json({ error: err.message || String(err) });
+    console.error('💥 이슈 보고서 조회 컨트롤러 오류:', err);
+    res.status(500).json({ success: false, error: err.message });
   }
 };
 
-// 3. READ ONE
-exports.getDailyIssueById = async (req, res) => {
+/**
+ * 3. DELETE: 이슈 보고서 삭제 (Service Layer 사용)
+ */
+const removeDailyIssue = async (req, res) => {
   try {
     const { id } = req.params;
-    const row = await new Promise((resolve, reject) => {
-      dailyIssueReportModel.getById(id, (err, data) => {
-        if (err) reject(err);
-        else resolve(data);
-      });
-    });
-    if (!row) return res.status(404).json({ error: 'DailyIssueReport not found' });
-    res.json(row);
+    const result = await dailyIssueReportService.removeDailyIssueService(id);
+    res.json({ success: true, ...result });
   } catch (err) {
-    res.status(500).json({ error: err.message || String(err) });
+    console.error('💥 이슈 보고서 삭제 컨트롤러 오류:', err);
+    const statusCode = err.statusCode || 500;
+    res.status(statusCode).json({ success: false, error: err.message });
   }
 };
 
-// 4. UPDATE
-exports.updateDailyIssue = async (req, res) => {
-  try {
-    const { id } = req.params;
-    const changes = await new Promise((resolve, reject) => {
-      dailyIssueReportModel.update(id, req.body, (err, affectedRows) => {
-        if (err) reject(err);
-        else resolve(affectedRows);
-      });
-    });
-    if (changes === 0) return res.status(404).json({ error: 'No changes or not found' });
-    res.json({ success: true, changes });
-  } catch (err) {
-    res.status(500).json({ error: err.message || String(err) });
-  }
-};
+// 레거시 함수들은 더 이상 라우팅되지 않으므로 제거하거나 주석 처리 가능
+// exports.getDailyIssueById = ...
+// exports.updateDailyIssue = ...
 
-// 5. DELETE
-exports.removeDailyIssue = async (req, res) => {
-  try {
-    const { id } = req.params;
-    const changes = await new Promise((resolve, reject) => {
-      dailyIssueReportModel.remove(id, (err, affectedRows) => {
-        if (err) reject(err);
-        else resolve(affectedRows);
-      });
-    });
-    if (changes === 0) return res.status(404).json({ error: 'DailyIssueReport not found' });
-    res.json({ success: true, changes });
-  } catch (err) {
-    res.status(500).json({ error: err.message || String(err) });
-  }
+module.exports = {
+  createDailyIssueReport,
+  getDailyIssuesByDate,
+  removeDailyIssue,
 };