79 lines
2.8 KiB
JavaScript
Executable File
79 lines
2.8 KiB
JavaScript
Executable File
document.addEventListener('DOMContentLoaded', function () {
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var ctx = document.getElementById('salaryChart').getContext('2d');
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var salaryChart = null;
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function updateChart(data) {
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console.log('Data for chart:', data); // Log the data for debugging
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if (!Array.isArray(data)) {
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console.error('Expected data to be an array:', data);
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return;
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}
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var labels = data.map(function (item) {
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return item.pendapatan_per_bulan;
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});
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var counts = data.map(function (item) {
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return item.count;
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});
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if (salaryChart) {
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salaryChart.destroy();
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}
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salaryChart = 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: 'Number of Students',
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data: counts,
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backgroundColor: 'rgba(255, 99, 132, 0.2)',
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borderColor: 'rgba(255, 99, 132, 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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y: {
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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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function fetchData(dataType, tahunLulus, studyProgram) {
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fetch(`/filter-salary?data_type=${dataType}&tahun_lulus=${tahunLulus}&program_studi=${studyProgram}`)
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.then(response => response.json())
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.then(data => {
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console.log('Fetched data:', data); // Debugging: Check the fetched data
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// Check if the data object contains the expected array
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if (dataType === 'salary' && Array.isArray(data.salary)) {
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updateChart(data.salary);
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} else {
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console.error(`Unexpected data format for ${dataType}:`, data);
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}
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})
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.catch(error => {
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console.error('Error fetching data:', error);
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});
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}
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document.getElementById('graduation-year-select').addEventListener('change', function () {
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var selectedGraduationYear = this.value;
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var selectedStudyProgram = document.getElementById('study-program-select').value;
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fetchData('salary', selectedGraduationYear, selectedStudyProgram);
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});
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document.getElementById('study-program-select').addEventListener('change', function () {
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var selectedStudyProgram = this.value;
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var selectedGraduationYear = document.getElementById('graduation-year-select').value;
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fetchData('salary', selectedGraduationYear, selectedStudyProgram);
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});
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// Initialize chart with initial data
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fetchData('salary', '{{ $selectedGraduationYear }}', '{{ $selectedStudyProgram }}');
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});
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