feat(tksupport): 전체 휴가관리 대시보드 개편 — 연간 총괄 + 월간 캘린더 뷰

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

tksupport/api/models/vacationDashboardModel.js

@@ -49,6 +49,70 @@ const vacationDashboardModel = {
 
     const [rows] = await db.query(query, params);
     return rows;
+  },
+
+  // View 1: 연간 총괄 — 전직원 월별 사용 합계
+  async getYearlyOverview(year) {
+    const db = getPool();
+    const [rows] = await db.query(`
+      SELECT
+        su.user_id, su.name, su.username,
+        COALESCE(d.department_id, 0) as department_id,
+        COALESCE(d.department_name, '미배정') as department_name,
+        MONTH(vr.start_date) as month,
+        SUM(vr.days_used) as total_days
+      FROM sso_users su
+      LEFT JOIN departments d ON su.department_id = d.department_id
+      LEFT JOIN sp_vacation_requests vr
+        ON su.user_id = vr.user_id AND vr.status = 'approved' AND YEAR(vr.start_date) = ?
+      WHERE su.is_active = 1 AND su.hire_date IS NOT NULL
+      GROUP BY su.user_id, MONTH(vr.start_date)
+      ORDER BY d.department_name, su.name
+    `, [year]);
+    return rows;
+  },
+
+  // View 1: 연간 부여/사용 잔액
+  async getBalances(year) {
+    const db = getPool();
+    const [rows] = await db.query(`
+      SELECT user_id, SUM(total_days) as granted, SUM(used_days) as used
+      FROM sp_vacation_balances
+      WHERE year = ? AND balance_type = 'AUTO'
+      GROUP BY user_id
+    `, [year]);
+    return rows;
+  },
+
+  // View 2: 월간 상세 — 부서 전직원 일별 휴가 ($1=year ON, $2=month ON, $3=deptId WHERE, $4=deptId WHERE)
+  async getMonthlyDetail(year, month, departmentId) {
+    const db = getPool();
+    const [rows] = await db.query(`
+      SELECT
+        su.user_id, su.name, su.username,
+        vr.start_date, vr.end_date, vr.days_used,
+        vt.type_code, vt.type_name
+      FROM sso_users su
+      LEFT JOIN sp_vacation_requests vr
+        ON su.user_id = vr.user_id AND vr.status = 'approved'
+        AND YEAR(vr.start_date) = ? AND MONTH(vr.start_date) = ?
+      LEFT JOIN vacation_types vt ON vr.vacation_type_id = vt.id
+      WHERE su.is_active = 1 AND su.hire_date IS NOT NULL
+        AND (su.department_id = ? OR (? = 0 AND su.department_id IS NULL))
+      ORDER BY su.name, vr.start_date
+    `, [year, month, departmentId, departmentId]);
+    return rows;
+  },
+
+  // View 2: 공휴일 표시용
+  async getHolidays(year, month) {
+    const db = getPool();
+    const [rows] = await db.query(`
+      SELECT holiday_date, holiday_name
+      FROM company_holidays
+      WHERE YEAR(holiday_date) = ? AND MONTH(holiday_date) = ?
+    `, [year, month]);
+    return rows;
   }
 };