98 lines
3.8 KiB
JavaScript
98 lines
3.8 KiB
JavaScript
document.addEventListener('DOMContentLoaded', function() {
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const startDateInput = document.getElementById('startDate');
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const endDateInput = document.getElementById('endDate');
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const startTimeInput = document.getElementById('startTime');
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const endTimeInput = document.getElementById('endTime');
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// Initialisiere die globale Variable für den Chart
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window.fuenfMinutenChart = null;
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function fetchAndUpdateChart() {
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const startDate = startDateInput.value;
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const endDate = endDateInput.value;
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const startTime = startTimeInput.value || '00:00';
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const endTime = endTimeInput.value || '23:59';
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if (!startDate || !endDate) {
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alert('Bitte sowohl Start- als auch End-Datum auswählen!');
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return;
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}
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fetch(`/fuenf_minuten?start_date=${startDate}&end_date=${endDate}&start_time=${startTime}&end_time=${endTime}`)
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.then(response => {
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if (!response.ok) {
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throw new Error(`HTTP error! status: ${response.status}`);
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}
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return response.json();
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})
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.then(data => {
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if (!Array.isArray(data)) {
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throw new Error('Ungültige Daten vom Server.');
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}
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const labels = data.map(item => item.time_slot);
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const values = data.map(item => item.transmission_count);
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const ctx = document.getElementById('fuenfMinutenChart').getContext('2d');
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// Zerstöre den vorhandenen Chart, falls er existiert
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if (window.fuenfMinutenChart) {
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window.fuenfMinutenChart.destroy();
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}
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// Erstelle einen neuen Chart
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window.fuenfMinutenChart = new Chart(ctx, {
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type: 'bar',
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data: {
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labels: labels,
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datasets: [{
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label: 'Übertragungen',
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data: values,
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backgroundColor: 'rgba(54, 162, 235, 0.5)',
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borderColor: 'rgba(54, 162, 235, 1)',
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borderWidth: 1
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}]
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},
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options: {
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scales: {
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x: {
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title: {
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display: true,
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text: 'Zeit'
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}
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},
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y: {
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title: {
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display: true,
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text: 'Anzahl'
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},
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beginAtZero: true
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}
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}
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}
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});
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})
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.catch(err => {
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console.error('Fehler bei der 5-Minuten-Datenabfrage:', err.message);
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alert(`Fehler bei der 5-Minuten-Datenabfrage: ${err.message}`);
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});
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}
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// Set default dates to pre-fill inputs
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const now = new Date();
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const yesterday = new Date();
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yesterday.setDate(now.getDate() - 1);
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startDateInput.value = yesterday.toISOString().split('T')[0];
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endDateInput.value = now.toISOString().split('T')[0];
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// Event Listener for changes in date and time inputs
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startDateInput.addEventListener('change', fetchAndUpdateChart);
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endDateInput.addEventListener('change', fetchAndUpdateChart);
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startTimeInput.addEventListener('change', fetchAndUpdateChart);
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endTimeInput.addEventListener('change', fetchAndUpdateChart);
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// Initial chart load
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fetchAndUpdateChart();
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});
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