export csv time entries and api changes timeentries

api.php

@@ -270,19 +270,115 @@ function getUsers($conn) {
 /**
  * @OA\Get(
  *     path="/api.php/timeentries",
- *     summary="Get all time entries for the authenticated user",
+ *     summary="Get filtered time entries for the authenticated user",
+ *     @OA\Parameter(
+ *         name="start_date",
+ *         in="query",
+ *         description="Start date (YYYY-MM-DD)",
+ *         required=false,
+ *         @OA\Schema(type="string")
+ *     ),
+ *     @OA\Parameter(
+ *         name="end_date",
+ *         in="query",
+ *         description="End date (YYYY-MM-DD)",
+ *         required=false,
+ *         @OA\Schema(type="string")
+ *     ),
+ *     @OA\Parameter(
+ *         name="limit",
+ *         in="query",
+ *         description="Maximum number of entries to return",
+ *         required=false,
+ *         @OA\Schema(type="integer")
+ *     ),
+ *     @OA\Parameter(
+ *         name="offset",
+ *         in="query",
+ *         description="Number of entries to skip",
+ *         required=false,
+ *         @OA\Schema(type="integer")
+ *     ),
  *     @OA\Response(response=200, description="List of time entries"),
+ *     @OA\Response(response=400, description="Invalid parameters"),
  *     @OA\Response(response=401, description="Unauthorized"),
  *     @OA\Response(response=500, description="Internal server error")
  * )
  */
 function getTimeEntries($conn, $user_id) {
     try {
-        $stmt = $conn->prepare("SELECT * FROM zeiterfassung WHERE user_id = :user_id");
-        $stmt->bindParam(':user_id', $user_id, PDO::PARAM_INT);
+        $params = [];
+        $whereConditions = ["user_id = :user_id"];
+        $params[':user_id'] = $user_id;
+
+        // Add date filters if provided
+        if (isset($_GET['start_date'])) {
+            if (!preg_match('/^\d{4}-\d{2}-\d{2}$/', $_GET['start_date'])) {
+                http_response_code(400);
+                echo json_encode(['success' => false, 'message' => 'Invalid start_date format. Use YYYY-MM-DD']);
+                return;
+            }
+            $whereConditions[] = "date(startzeit) >= :start_date";
+            $params[':start_date'] = $_GET['start_date'];
+        }
+
+        if (isset($_GET['end_date'])) {
+            if (!preg_match('/^\d{4}-\d{2}-\d{2}$/', $_GET['end_date'])) {
+                http_response_code(400);
+                echo json_encode(['success' => false, 'message' => 'Invalid end_date format. Use YYYY-MM-DD']);
+                return;
+            }
+            $whereConditions[] = "date(startzeit) <= :end_date";
+            $params[':end_date'] = $_GET['end_date'];
+        }
+
+        // Build the base query
+        $query = "SELECT * FROM zeiterfassung WHERE " . implode(' AND ', $whereConditions);
+
+        // Add ORDER BY
+        $query .= " ORDER BY startzeit DESC";
+
+        // Add LIMIT and OFFSET if provided
+        if (isset($_GET['limit']) && is_numeric($_GET['limit'])) {
+            $limit = (int)$_GET['limit'];
+            $query .= " LIMIT :limit";
+            $params[':limit'] = $limit;
+        }
+
+        if (isset($_GET['offset']) && is_numeric($_GET['offset'])) {
+            $offset = (int)$_GET['offset'];
+            $query .= " OFFSET :offset";
+            $params[':offset'] = $offset;
+        }
+
+        // Get total count for pagination
+        $countStmt = $conn->prepare("SELECT COUNT(*) FROM zeiterfassung WHERE " . implode(' AND ', $whereConditions));
+        foreach ($params as $key => $value) {
+            if (!in_array($key, [':limit', ':offset'])) {
+                $countStmt->bindValue($key, $value);
+            }
+        }
+        $countStmt->execute();
+        $totalCount = $countStmt->fetchColumn();
+
+        // Execute main query
+        $stmt = $conn->prepare($query);
+        foreach ($params as $key => $value) {
+            $stmt->bindValue($key, $value);
+        }
         $stmt->execute();
         $entries = $stmt->fetchAll(PDO::FETCH_ASSOC);
-        echo json_encode(['success' => true, 'data' => $entries]);
+
+        echo json_encode([
+            'success' => true,
+            'data' => $entries,
+            'meta' => [
+                'total' => $totalCount,
+                'filtered' => count($entries),
+                'limit' => isset($_GET['limit']) ? (int)$_GET['limit'] : null,
+                'offset' => isset($_GET['offset']) ? (int)$_GET['offset'] : null
+            ]
+        ]);
     } catch (\Exception $exception) {
         http_response_code(500);
         echo json_encode(['success' => false, 'message' => 'Internal server error']);

export_csv.php

@@ -0,0 +1,68 @@
+<?php
+require_once 'config.php';
+require_once 'functions.php';
+
+// Ensure user is logged in
+session_start();
+if (!isset($_SESSION['user_id'])) {
+    die('Not authorized');
+}
+
+try {
+    // Set headers for CSV download with UTF-8 encoding
+    header('Content-Type: text/csv; charset=UTF-8');
+    header('Content-Disposition: attachment; filename="Arbeitszeiterfassung_' . date('Y-m-d') . '.csv"');
+
+    // Create output stream with UTF-8 encoding
+    $output = fopen('php://temp', 'w+');
+    fprintf($output, "\xEF\xBB\xBF"); // UTF-8 BOM
+
+    // Add headers
+    fputcsv($output, [
+        'Datum',
+        'Start',
+        'Ende',
+        'Pause (Min)',
+        'Arbeitszeit',
+        'Standort',
+        'Beschreibung'
+    ], ';');
+
+    // Fetch records
+    $stmt = $conn->prepare('
+        SELECT 
+            startzeit, 
+            endzeit, 
+            pause, 
+            standort, 
+            beschreibung 
+        FROM zeiterfassung 
+        WHERE user_id = :user_id 
+        ORDER BY startzeit DESC
+    ');
+    $stmt->execute(['user_id' => $_SESSION['user_id']]);
+
+    while ($record = $stmt->fetch(PDO::FETCH_ASSOC)) {
+        $startzeit = new DateTime($record['startzeit']);
+        $endzeit = $record['endzeit'] ? new DateTime($record['endzeit']) : null;
+
+        fputcsv($output, [
+            $startzeit->format('d.m.Y'),
+            $startzeit->format('H:i'),
+            $endzeit ? $endzeit->format('H:i') : '',
+            $record['pause'] ?: '',
+            calculateDuration($record['startzeit'], $record['endzeit'], $record['pause']),
+            $record['standort'],
+            $record['beschreibung']
+        ], ';');
+    }
+
+    // Output the file with UTF-8 encoding
+    rewind($output);
+    echo mb_convert_encoding(stream_get_contents($output), 'UTF-8', 'UTF-8');
+    fclose($output);
+    exit;
+
+} catch (Exception $e) {
+    die('Error exporting data: ' . $e->getMessage());
+}

functions.php

@@ -1,7 +1,20 @@
 <?php
-include 'config.php';
 session_start();
 
+// Set default language if not set
+$lang = $_SESSION['lang'] ?? 'de';
+$langFile = __DIR__ . "/languages/$lang.php";
+
+// Load language file first
+if (file_exists($langFile)) {
+    require_once $langFile;
+} else {
+    require_once __DIR__ . '/languages/de.php'; // Fallback to German
+}
+
+// Now include other dependencies
+require_once 'config.php';
+
 // Ensure the user is logged in
 if (!isset($_SESSION['user_id'])) {
     header("Location: login.php");

get_time_records.php

@@ -38,6 +38,17 @@
 $currentDate = null;
 $dailyTotals = [];
 
+// Header section with improved export button
+echo '<div class="flex justify-between items-center mb-4">
+    <h2 class="text-xl font-bold"><i class="fas fa-clock mr-2"></i>' . TABLE_HEADER_TIME_RECORDS . '</h2>
+    <button onclick="exportToCSV()" 
+            class="btn btn-outline btn-success btn-sm gap-2 hover:scale-105 transform transition-transform duration-200" 
+            >
+        <i class="fas fa-file-csv text-lg"></i>
+        <span class="hidden sm:inline">' . BUTTON_EXPORT_CSV . '</span>
+    </button>
+</div>';
+
 echo '<div id="timeRecordsTable" class="card bg-base-100 shadow-xl">
     <div class="card-body p-6">
         <h3 class="card-title text-2xl mb-6 flex items-center gap-3">

index.php

@@ -1,4 +1,30 @@
-<?php
+<div class="event-selection-fields space-y-6">
+    <div class="form-control w-full">
+        <label class="label">
+            <span class="label-text font-medium">Standort</span>
+        </label>
+        <select name="standort" id="standort" class="select select-bordered w-full" required data-id="<?= htmlspecialchars($record['id']) ?>">
+            <option value="">Wählen Sie einen Standort</option>
+            <option value="Home">Home</option>
+            <option value="Büro">Büro</option>
+        </select>
+    </div>
+
+    <div class="form-control w-full">
+        <label class="label">
+            <span class="label-text font-medium">Kommentar</span>
+        </label>
+        <textarea name="beschreibung" id="beschreibung" 
+            class="textarea textarea-bordered h-24" 
+            placeholder="Geben Sie einen Kommentar ein..." 
+            data-id="<?= htmlspecialchars($record['id']) ?>"></textarea>
+    </div>
+
+    <button type="submit" class="btn btn-primary w-full gap-2">
+        <i class="fas fa-save"></i>
+        Speichern
+    </button>
+</div><?php
 include 'header.php';
 
 // Fetch user's regular working hours
@@ -642,6 +668,10 @@ function attachEventListeners() {
             // Run on window resize
             window.addEventListener('resize', updateTimeRecordsView);
         });
+
+        function exportToCSV() {
+            window.location.href = 'export_csv.php';
+        }
     </script>
 </body>
 

languages/de.php

@@ -199,7 +199,7 @@
 define('BUTTON_API_DOC', 'API-Dokumentation');
 define('MODAL_TITLE_EDIT_USER', 'Benutzer bearbeiten');
 define('FORM_REGULAR_WORKING_HOURS', 'Regelarbeitszeit');
-define('FORM_OVERTIME', 'Überstunden');
+define('FORM_OVERTIME', '����berstunden');
 define('FORM_NEW_PASSWORD', 'Neues Passwort (leer lassen für keine Änderung)');
 define('BUTTON_CANCEL', 'Abbrechen');
 define('SEARCH_USERS', 'Benutzer suchen');
@@ -262,4 +262,9 @@
 
 define('TOUR_START', 'Tour starten');
 
+// Table Headers
+define('TABLE_HEADER_TIME_RECORDS', 'Zeiterfassung');
+
+define('BUTTON_EXPORT_CSV', 'CSV Export');
+
 ?>

languages/en.php

@@ -258,6 +258,10 @@
 
 // ...existing code...
 define('TOUR_START', 'Start Tour');
+// Table Headers
+define('TABLE_HEADER_TIME_RECORDS', 'Time Records');
 // ...existing code...
 
+define('BUTTON_EXPORT_CSV', 'CSV Export');
+
 ?>