84 lines
2.3 KiB
JavaScript
84 lines
2.3 KiB
JavaScript
class SymptomVsSymptomChartView {
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#canvas;
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#chart;
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constructor(canvas) {
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this.#canvas = canvas;
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}
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// FK-TODO: refactor
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loadAndDisplayChart(symptomX, symptomY) {
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Promise
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.all([symptomX, symptomY].map(symptom => PrrByVaccineProvider.getPrrByVaccine(symptom)))
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.then(
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([prrByLotX, prrByLotY]) => {
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const { labels, data } = SymptomVsSymptomChartDataProvider.getChartData({ prrByLotX, prrByLotY });
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this.#displayChart(symptomX, symptomY, labels, data);
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});
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}
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setData(histoDescr) {
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const data = this.#getData(histoDescr);
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this.#chart.config.data = data;
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this.#chart.update();
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}
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#displayChart(symptomX, symptomY, labels, data) {
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if (this.#chart != null) {
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this.#chart.destroy();
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}
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const config = {
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type: 'scatter',
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data: this.#getData(labels, data),
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options: this.#getOptions(symptomX, symptomY)
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};
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this.#chart = new Chart(this.#canvas, config);
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}
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#getData(labels, data) {
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return {
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datasets:
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[
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{
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labels: labels,
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data: data,
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backgroundColor: 'rgb(0, 0, 255)'
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}
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]
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};
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}
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#getOptions(symptomX, symptomY) {
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return {
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scales: {
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x: {
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type: 'linear',
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position: 'bottom',
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title: {
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display: true,
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text: 'PRR ratio of Batch for ' + symptomX
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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: 'PRR ratio of Batch for ' + symptomY
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}
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}
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},
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plugins: {
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legend: {
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display: false
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},
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tooltip: {
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callbacks: {
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label: function (context) {
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return 'Batch: ' + context.dataset.labels[context.dataIndex];
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}
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}
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}
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}
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};
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}
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} |