Merge branch 'main' into pages

docs/FreeBedsChartView.js

@@ -0,0 +1,113 @@
+class FreeBedsChartView {
+
+    #canvas;
+    #chart;
+
+    constructor(canvas) {
+        this.#canvas = canvas;
+    }
+
+    displayChart({ data, title }) {
+        if (this.#chart != null) {
+            this.#chart.destroy();
+        }
+        this.#chart = new Chart(
+            this.#canvas,
+            {
+                type: 'line',
+                data: this.#getData(data),
+                options: this.#getOptions(title),
+                plugins: [this.#getBackgroundTrafficLightsPlugin()]
+            });
+    }
+
+    #getBackgroundTrafficLightsPlugin() {
+        function fillRect({ chart, startInPercent, endInPercent, color }) {
+            const ctx = chart.ctx;
+            const chartArea = chart.chartArea;
+            const chartWidth = chartArea.right - chartArea.left;
+            const chartHeight = chartArea.bottom - chartArea.top
+            const y = chartArea.bottom - chartHeight * endInPercent / 100;
+            const height = chartHeight * (endInPercent - startInPercent) / 100;
+            ctx.fillStyle = color;
+            ctx.fillRect(chartArea.left, y, chartWidth, height);
+        }
+
+        function drawTrafficLights(chart) {
+            const RED = 'rgba(240, 59, 32, 0.75)';
+            const YELLOW = 'rgba(254, 178, 76, 0.75)';
+            const GREEN = 'rgba(56, 168, 0, 0.75)';
+            chart.ctx.save();
+            fillRect({ chart: chart, startInPercent: 0, endInPercent: 10, color: RED });
+            fillRect({ chart: chart, startInPercent: 10, endInPercent: 25, color: YELLOW });
+            fillRect({ chart: chart, startInPercent: 25, endInPercent: 100, color: GREEN });
+            chart.ctx.restore();
+        }
+
+        return { beforeDraw: drawTrafficLights };
+    }
+
+    #getData(data) {
+        return {
+            datasets: [
+                {
+                    label: 'Anteil freier Betten',
+                    data: data,
+                    parsing: {
+                        yAxisKey: 'free_beds_divided_by_all_beds_in_percent'
+                    },
+                    backgroundColor: 'rgba(0, 0, 150, 1)'
+                }
+            ]
+        };
+    }
+
+    #getOptions(title) {
+        return {
+            plugins: {
+                title: {
+                    display: true,
+                    text: title
+                },
+                tooltip: {
+                    callbacks: {
+                        label: function (context) {
+                            let label = context.dataset.label || '';
+
+                            if (label) {
+                                label += ': ';
+                            }
+                            if (context.parsed.y !== null) {
+                                label += context.parsed.y.toFixed(1) + "%";
+                            }
+                            return label;
+                        }
+                    }
+                }
+            },
+            responsive: true,
+            scales: {
+                x: {
+                    type: 'time',
+                    time: {
+                        unit: 'month'
+                    }
+                },
+                y: {
+                    min: 0,
+                    max: 100,
+                    title: {
+                        display: true,
+                        text: "Anteil freier Betten"
+                    },
+                    ticks: {
+                        callback: value => value + "%"
+                    }
+                }
+            },
+            parsing: {
+                xAxisKey: 'date'
+            }
+        };
+    }
+}

docs/IntensiveCareCapacitiesChartView.js

@@ -29,7 +29,7 @@ class IntensiveCareCapacitiesChartView {
                     parsing: {
                         yAxisKey: 'betten_belegt'
                     },
-                    backgroundColor: 'rgba(255, 0, 0, 1)',
+                    backgroundColor: 'rgba(255, 0, 0, 1)'
                 },
                 {
                     label: 'Freie Betten',
@@ -37,7 +37,7 @@ class IntensiveCareCapacitiesChartView {
                     parsing: {
                         yAxisKey: 'betten_frei'
                     },
-                    backgroundColor: 'rgba(0, 255, 0, 1)',
+                    backgroundColor: 'rgba(0, 255, 0, 1)'
                 }
             ]
         };

docs/UIUtils.js

@@ -12,4 +12,8 @@ class UIUtils {
             canvas: chartViewElement.querySelector(".canvas")
         };
     }
+
+    static getSelectedOption(selectElement) {
+        return selectElement.options[selectElement.selectedIndex];
+    }
 }

docs/intensivstationen.html

@@ -1,25 +1,33 @@
 <!DOCTYPE html>
 <html>
+
 <head>
   <meta charset="utf-8" />
   <meta content="width=device-width, initial-scale=1.0" name="viewport" />
-<title>DIVI-Intensivregister auf Landkreisebene</title>
+  <title>DIVI-Intensivregister auf Landkreisebene 2020 bis heute</title>
   <link href="forkMeOnGitHub.css" rel="stylesheet" type="text/css" />
   <script src="https://cdn.jsdelivr.net/npm/chart.js@^3"></script>
   <script src="https://cdn.jsdelivr.net/npm/moment@^2"></script>
   <script src="https://cdn.jsdelivr.net/npm/chartjs-adapter-moment@^1"></script>
   <script src="./UIUtils.js"></script>
   <script src="./IntensiveCareCapacitiesChartView.js"></script>
+  <script src="./FreeBedsChartView.js"></script>
   <script src="./intensivstationen.js"></script>
   <script>
     document.addEventListener(
       "DOMContentLoaded",
       event => {
-        const intensiveCareCapacitiesChartView = new IntensiveCareCapacitiesChartView(document.querySelector(".canvas"));
-        document.querySelector('#kreisSelect').addEventListener(
+        const intensiveCareCapacitiesChartView = new IntensiveCareCapacitiesChartView(document.getElementById("intensiveCareCapacities"));
+        const freeBedsChartView = new FreeBedsChartView(document.getElementById('freeBeds'));
+        const kreisSelect = document.querySelector('#kreisSelect');
+        onKreisOptionSelected(kreisSelect, intensiveCareCapacitiesChartView, freeBedsChartView);
+        kreisSelect.addEventListener(
           'change',
-          event => {
-            const selectedOption = getSelectedOption(event.target);
+          event => onKreisOptionSelected(kreisSelect, intensiveCareCapacitiesChartView, freeBedsChartView));
+      });
+
+    function onKreisOptionSelected(kreisSelect, intensiveCareCapacitiesChartView, freeBedsChartView) {
+      const selectedOption = UIUtils.getSelectedOption(kreisSelect);
       displayIntensiveCareCapacitiesChart(
         {
           intensiveCareCapacitiesChartView: intensiveCareCapacitiesChartView,
@@ -28,25 +36,19 @@
           kreisText: selectedOption.text,
           kreisValue: selectedOption.value
         });
-          });
-        displayIntensiveCareCapacitiesChart(
+      displayFreeBedsChart(
         {
-            intensiveCareCapacitiesChartView: intensiveCareCapacitiesChartView,
-            headingElement: document.querySelector(".heading"),
-            populationElement: document.querySelector(".population"),
-            kreisText: 'Alle Landkreise',
-            kreisValue: 'de'
+          freeBedsChartView: freeBedsChartView,
+          kreisText: selectedOption.text,
+          kreisValue: selectedOption.value
         });
-      });
-
-    function getSelectedOption(select) {
-      return select.options[select.selectedIndex];
     }
   </script>
 </head>
+
 <body>
   <span id="forkongithub"><a href="https://github.com/KnollFrank/HowBadIsMyBatch">Fork me on GitHub</a></span>
-<h1>DIVI-Intensivregister auf Landkreisebene</h1>
+  <h1>DIVI-Intensivregister auf Landkreisebene 2020 bis heute</h1>
   <label>Landkreis:</label>
   <select id="kreisSelect" name="kreis">
     <option selected="" value="de">Alle Landkreise</option>
@@ -435,10 +437,11 @@
     <option value="Zweibrücken, kreisfreie Stadt">Zweibrücken, kreisfreie Stadt</option>
     <option value="Zwickau">Zwickau</option>
   </select>
-<h2 class="heading"></h2>
+  <h2>Freie und belegte Intensivbetten</h2>
+  <h3 class="heading"></h3>
   Einwohnerzahl: <span class="population"></span>
   <p>
-<canvas class="canvas"></canvas>
+    <canvas id="intensiveCareCapacities"></canvas>
   </p>
   <dl>
     <dt>Belegte Betten:</dt>
@@ -447,10 +450,22 @@
     <dt>Freie Betten:</dt>
     <dd>Anzahl der freien, betreibbaren Intensivbetten (Low- und High-Care) für Erwachsene und Kinder zur
       Behandlung von allen intensivpflichtigen Erkrankungen.</dd>
+  </dl>
+  <h2>Anteil der freien Betten an der Gesamtzahl der Intensivbetten</h2>
+  <p>
+    <canvas id="freeBeds"></canvas>
+  </p>
+  <dl>
     <dt>Datensatz:</dt>
     <dd><a href="https://www.intensivregister.de/#/aktuelle-lage/downloads" target="_blank">Landkreis-Daten</a></dd>
+    <dt>siehe auch:</dt>
+    <dd><a href="https://experience.arcgis.com/experience/3a132983ad3c4ab8a28704e9addefaba" target="_blank">Dashboard
+        DIVI-Intensivregister auf Landkreisebene</a></dd>
+    <dd><a href="https://www.intensivregister.de/#/aktuelle-lage/kartenansichten" target="_blank">Kartenansichten</a>
+    </dd>
     <dt>Datenstand:</dt>
-<dd id="Datenstand">14.03.2022, 12:38 Uhr</dd>
+    <dd id="Datenstand">12.03.2022, 12:38 Uhr</dd>
   </dl>
 </body>
+
 </html>

docs/intensivstationen.js

@@ -9,3 +9,24 @@ function displayIntensiveCareCapacitiesChart(
             intensiveCareCapacitiesChartView.displayChart({ data: json.data, title: kreisText });
         });
 }
+
+function displayFreeBedsChart({ freeBedsChartView, kreisText, kreisValue }) {
+    fetch(`data/intensivstationen/intensivstationen-${kreisValue}.json`)
+        .then(response => response.json())
+        .then(json =>
+            freeBedsChartView.displayChart(
+                {
+                    data: get_free_beds_divided_by_all_beds_in_percent(json.data),
+                    title: kreisText
+                }));
+}
+
+function get_free_beds_divided_by_all_beds_in_percent(data) {
+    return data.map(({ date, betten_frei, betten_belegt }) =>
+    (
+        {
+            "date": date,
+            "free_beds_divided_by_all_beds_in_percent": betten_frei / (betten_frei + betten_belegt) * 100
+        }
+    ));
+}