department filter and excel support

backend/managerRoutes.js

@@ -394,6 +394,7 @@ export default function () {
       const wantXlsx = String(req.query.format || 'csv').toLowerCase() === 'xlsx'
 
       let workerIdClause = ''
+      let departmentClause = ''
       const params = [`${startDate} 00:00:00`, `${endDate} 23:59:59`]
 
       if (workerIds) {
@@ -406,6 +407,12 @@ export default function () {
         }
       }
 
+      const { department } = req.query
+      if (department) {
+        departmentClause = ` AND LOWER(w.department) = LOWER(?)`
+        params.push(department)
+      }
+
       const query = `
         SELECT
           cr.worker_id,
@@ -418,7 +425,7 @@ export default function () {
         FROM clock_records cr
                JOIN workers w ON cr.worker_id = w.id
                LEFT JOIN qr_codes qc ON cr.qr_code_id = qc.id
-        WHERE cr.timestamp BETWEEN ? AND ? ${workerIdClause}
+        WHERE cr.timestamp BETWEEN ? AND ? ${workerIdClause}${departmentClause}
           AND cr.event_type IN ('clock_in','clock_out')
         ORDER BY cr.worker_id, cr.timestamp ASC
       `
@@ -850,9 +857,16 @@ export default function () {
       let whereClauses = ["w.role = 'worker'", "w.status != 'deleted'"] // Filter out soft-deleted workers
 
       if (search) {
-        whereClauses.push(`(w.full_name LIKE ? OR w.department LIKE ?)`)
-        params.push(searchTerm, searchTerm)
-        countParams.push(searchTerm, searchTerm)
+        whereClauses.push(`w.full_name LIKE ?`)
+        params.push(searchTerm)
+        countParams.push(searchTerm)
+      }
+
+      const { department } = req.query
+      if (department) {
+        whereClauses.push(`LOWER(w.department) = LOWER(?)`)
+        params.push(department)
+        countParams.push(department)
       }
 
       if (whereClauses.length > 0) {
@@ -1479,6 +1493,28 @@ export default function () {
       db.release()
     }
   })
+  // GET distinct departments for filter tabs
+  router.get('/departments', checkPermission('view_all'), async (req, res) => {
+    const db = await getConnection()
+    try {
+      const [rows] = await db.execute(`
+        SELECT DISTINCT department 
+        FROM workers 
+        WHERE role = 'worker' 
+          AND status != 'deleted' 
+          AND department IS NOT NULL 
+          AND department != ''
+        ORDER BY department ASC
+      `)
+      const departments = rows.map((r) => r.department)
+      res.json(departments)
+    } catch (error) {
+      console.error('Get departments error:', error)
+      res.status(500).json({ message: 'Database error fetching departments.', details: error.message })
+    } finally {
+      db.release()
+    }
+  })
 
   return router
 }