refactoring

docs/SymptomsCausedByVaccines/js/PrrBySymptomTableView.js

@@ -1,53 +1,16 @@
 class PrrBySymptomTableView {
 
-    #prrBySymptomTable;
-    #downloadPrrBySymptomTableButton;
-    #prrBySymptom;
-    #vaccine;
+    #delegate;
 
     constructor(prrBySymptomTableElement, downloadPrrBySymptomTableButton) {
-        this.#prrBySymptomTable = new PrrBySymptomTable(prrBySymptomTableElement);
-        this.#prrBySymptomTable.initialize();
-        this.#initializeButton(downloadPrrBySymptomTableButton);
+        this.#delegate = new PrrByKeyTableView(
+            new PrrBySymptomTable(prrBySymptomTableElement),
+            downloadPrrBySymptomTableButton,
+            'Vaccine',
+            PrrByVaccineProvider.getPrrBySymptom);
     }
 
     displayPrrBySymptomTable4Vaccine(vaccine) {
-        UIUtils.disableButton(this.#downloadPrrBySymptomTableButton);
-        PrrByVaccineProvider
-            .getPrrBySymptom(vaccine)
-            .then(prrBySymptom => {
-                this.#prrBySymptom = prrBySymptom;
-                this.#vaccine = vaccine;
-                this.#prrBySymptomTable.display(prrBySymptom);
-                UIUtils.enableButton(this.#downloadPrrBySymptomTableButton);
-            });
-    }
-
-    #initializeButton(downloadPrrBySymptomTableButton) {
-        this.#downloadPrrBySymptomTableButton = downloadPrrBySymptomTableButton;
-        UIUtils.disableButton(downloadPrrBySymptomTableButton);
-        downloadPrrBySymptomTableButton.addEventListener(
-            'click',
-            () => this.#downloadPrrBySymptom())
-    }
-
-    #downloadPrrBySymptom() {
-        UIUtils.downloadUrlAsFilename(
-            window.URL.createObjectURL(
-                new Blob(
-                    [
-                        PrrByKey2CsvConverter.convertPrrByKey2Csv(
-                            {
-                                heading: '# Vaccine: ' + this.#vaccine,
-                                columns: {
-                                    keyColumn: 'Symptom',
-                                    prrColumn: 'Proportional Reporting Ratio > 1'
-                                },
-                                prrByKey: this.#prrBySymptom
-                            })
-                    ],
-                    { type: 'text/csv' })),
-            this.#vaccine
-        );
+        this.#delegate.displayPrrByKeyTable4Value(vaccine);
     }
 }