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Claude Project Manager
310
backend/routes/stats.js
Normale Datei
310
backend/routes/stats.js
Normale Datei
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/**
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* TASKMATE - Stats Routes
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* =======================
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* Dashboard-Statistiken
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*/
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const express = require('express');
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const router = express.Router();
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const { getDb } = require('../database');
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const logger = require('../utils/logger');
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/**
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* GET /api/stats/dashboard
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* Haupt-Dashboard Statistiken
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*/
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router.get('/dashboard', (req, res) => {
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try {
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const db = getDb();
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const { projectId } = req.query;
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let projectFilter = '';
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const params = [];
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if (projectId) {
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projectFilter = ' AND t.project_id = ?';
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params.push(projectId);
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}
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// Gesamtzahlen
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const total = db.prepare(`
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SELECT COUNT(*) as count FROM tasks t
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WHERE t.archived = 0 ${projectFilter}
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`).get(...params).count;
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// Offene Aufgaben (erste Spalte jedes Projekts)
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const open = db.prepare(`
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SELECT COUNT(*) as count FROM tasks t
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JOIN columns c ON t.column_id = c.id
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WHERE t.archived = 0 AND c.position = 0 ${projectFilter}
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`).get(...params).count;
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// In Arbeit (mittlere Spalten)
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const inProgress = db.prepare(`
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SELECT COUNT(*) as count FROM tasks t
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JOIN columns c ON t.column_id = c.id
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WHERE t.archived = 0 AND c.position > 0
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AND c.position < (SELECT MAX(position) FROM columns WHERE project_id = c.project_id)
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${projectFilter}
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`).get(...params).count;
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// Erledigt (letzte Spalte)
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const completed = db.prepare(`
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SELECT COUNT(*) as count FROM tasks t
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JOIN columns c ON t.column_id = c.id
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WHERE t.archived = 0
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AND c.position = (SELECT MAX(position) FROM columns WHERE project_id = c.project_id)
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${projectFilter}
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`).get(...params).count;
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// Überfällig
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const overdue = db.prepare(`
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SELECT COUNT(*) as count FROM tasks t
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JOIN columns c ON t.column_id = c.id
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WHERE t.archived = 0
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AND t.due_date < date('now')
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AND c.position < (SELECT MAX(position) FROM columns WHERE project_id = c.project_id)
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${projectFilter}
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`).get(...params).count;
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// Heute fällig
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const dueToday = db.prepare(`
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SELECT t.id, t.title, t.priority, t.assigned_to,
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u.display_name as assigned_name, u.color as assigned_color
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FROM tasks t
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LEFT JOIN users u ON t.assigned_to = u.id
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JOIN columns c ON t.column_id = c.id
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WHERE t.archived = 0
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AND t.due_date = date('now')
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AND c.position < (SELECT MAX(position) FROM columns WHERE project_id = c.project_id)
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${projectFilter}
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ORDER BY t.priority DESC
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LIMIT 10
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`).all(...params);
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// Bald fällig (nächste 7 Tage)
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const dueSoon = db.prepare(`
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SELECT COUNT(*) as count FROM tasks t
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JOIN columns c ON t.column_id = c.id
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WHERE t.archived = 0
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AND t.due_date BETWEEN date('now', '+1 day') AND date('now', '+7 days')
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AND c.position < (SELECT MAX(position) FROM columns WHERE project_id = c.project_id)
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${projectFilter}
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`).get(...params).count;
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res.json({
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total,
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open,
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inProgress,
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completed,
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overdue,
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dueSoon,
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dueToday: dueToday.map(t => ({
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id: t.id,
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title: t.title,
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priority: t.priority,
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assignedTo: t.assigned_to,
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assignedName: t.assigned_name,
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assignedColor: t.assigned_color
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}))
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});
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} catch (error) {
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logger.error('Fehler bei Dashboard-Stats:', { error: error.message });
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res.status(500).json({ error: 'Interner Serverfehler' });
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}
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});
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/**
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* GET /api/stats/completed-per-week
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* Erledigte Aufgaben pro Woche
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*/
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router.get('/completed-per-week', (req, res) => {
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try {
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const db = getDb();
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const { projectId, weeks = 8 } = req.query;
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let projectFilter = '';
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const params = [parseInt(weeks)];
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if (projectId) {
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projectFilter = ' AND h.task_id IN (SELECT id FROM tasks WHERE project_id = ?)';
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params.push(projectId);
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}
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// Erledigte Aufgaben pro Kalenderwoche
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const stats = db.prepare(`
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SELECT
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strftime('%Y-%W', h.timestamp) as week,
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COUNT(DISTINCT h.task_id) as count
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FROM history h
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WHERE h.action = 'moved'
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AND h.new_value IN (
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SELECT name FROM columns c
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WHERE c.position = (SELECT MAX(position) FROM columns WHERE project_id = c.project_id)
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)
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AND h.timestamp >= date('now', '-' || ? || ' weeks')
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${projectFilter}
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GROUP BY week
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ORDER BY week DESC
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`).all(...params);
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// Letzten X Wochen mit 0 auffüllen
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const result = [];
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const now = new Date();
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for (let i = 0; i < parseInt(weeks); i++) {
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const date = new Date(now);
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date.setDate(date.getDate() - (i * 7));
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const year = date.getFullYear();
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const week = getWeekNumber(date);
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const weekKey = `${year}-${week.toString().padStart(2, '0')}`;
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const found = stats.find(s => s.week === weekKey);
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result.unshift({
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week: weekKey,
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label: `KW${week}`,
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count: found ? found.count : 0
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});
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}
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res.json(result);
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} catch (error) {
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logger.error('Fehler bei Completed-per-Week Stats:', { error: error.message });
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res.status(500).json({ error: 'Interner Serverfehler' });
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}
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});
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/**
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* GET /api/stats/time-per-project
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* Geschätzte Zeit pro Projekt
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*/
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router.get('/time-per-project', (req, res) => {
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try {
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const db = getDb();
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const stats = db.prepare(`
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SELECT
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p.id,
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p.name,
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COALESCE(SUM(t.time_estimate_min), 0) as total_minutes,
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COUNT(t.id) as task_count
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FROM projects p
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LEFT JOIN tasks t ON p.id = t.project_id AND t.archived = 0
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WHERE p.archived = 0
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GROUP BY p.id
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ORDER BY total_minutes DESC
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`).all();
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res.json(stats.map(s => ({
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id: s.id,
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name: s.name,
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totalMinutes: s.total_minutes,
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totalHours: Math.round(s.total_minutes / 60 * 10) / 10,
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taskCount: s.task_count
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})));
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} catch (error) {
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logger.error('Fehler bei Time-per-Project Stats:', { error: error.message });
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res.status(500).json({ error: 'Interner Serverfehler' });
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}
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});
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/**
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* GET /api/stats/user-activity
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* Aktivität pro Benutzer
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*/
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router.get('/user-activity', (req, res) => {
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try {
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const db = getDb();
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const { days = 30 } = req.query;
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const stats = db.prepare(`
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SELECT
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u.id,
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u.display_name,
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u.color,
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COUNT(DISTINCT CASE WHEN h.action = 'created' THEN h.task_id END) as tasks_created,
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COUNT(DISTINCT CASE WHEN h.action = 'moved' THEN h.task_id END) as tasks_moved,
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COUNT(DISTINCT CASE WHEN h.action = 'commented' THEN h.id END) as comments,
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COUNT(h.id) as total_actions
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FROM users u
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LEFT JOIN history h ON u.id = h.user_id AND h.timestamp >= date('now', '-' || ? || ' days')
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GROUP BY u.id
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ORDER BY total_actions DESC
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`).all(parseInt(days));
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res.json(stats.map(s => ({
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id: s.id,
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displayName: s.display_name,
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color: s.color,
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tasksCreated: s.tasks_created,
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tasksMoved: s.tasks_moved,
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comments: s.comments,
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totalActions: s.total_actions
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})));
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} catch (error) {
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logger.error('Fehler bei User-Activity Stats:', { error: error.message });
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res.status(500).json({ error: 'Interner Serverfehler' });
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}
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});
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/**
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* GET /api/stats/calendar
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* Aufgaben nach Datum (für Kalender)
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*/
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router.get('/calendar', (req, res) => {
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try {
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const db = getDb();
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const { projectId, month, year } = req.query;
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const currentYear = year || new Date().getFullYear();
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const currentMonth = month || (new Date().getMonth() + 1);
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// Start und Ende des Monats
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const startDate = `${currentYear}-${currentMonth.toString().padStart(2, '0')}-01`;
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const endDate = `${currentYear}-${currentMonth.toString().padStart(2, '0')}-31`;
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let query = `
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SELECT
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t.due_date,
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COUNT(*) as count,
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SUM(CASE WHEN t.due_date < date('now') AND c.position < (SELECT MAX(position) FROM columns WHERE project_id = c.project_id) THEN 1 ELSE 0 END) as overdue_count
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FROM tasks t
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JOIN columns c ON t.column_id = c.id
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WHERE t.archived = 0
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AND t.due_date BETWEEN ? AND ?
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`;
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const params = [startDate, endDate];
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if (projectId) {
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query += ' AND t.project_id = ?';
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params.push(projectId);
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}
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query += ' GROUP BY t.due_date ORDER BY t.due_date';
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const stats = db.prepare(query).all(...params);
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res.json(stats.map(s => ({
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date: s.due_date,
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count: s.count,
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overdueCount: s.overdue_count
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})));
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} catch (error) {
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logger.error('Fehler bei Calendar Stats:', { error: error.message });
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res.status(500).json({ error: 'Interner Serverfehler' });
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}
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});
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/**
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* Hilfsfunktion: Kalenderwoche berechnen
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*/
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function getWeekNumber(date) {
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const d = new Date(Date.UTC(date.getFullYear(), date.getMonth(), date.getDate()));
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const dayNum = d.getUTCDay() || 7;
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d.setUTCDate(d.getUTCDate() + 4 - dayNum);
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const yearStart = new Date(Date.UTC(d.getUTCFullYear(), 0, 1));
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return Math.ceil((((d - yearStart) / 86400000) + 1) / 7);
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}
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module.exports = router;
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