Stats: Facebook Contacts

src/classes/Standardizer/plugins/Facebook/getters/getContactsStatistics.ts

@@ -0,0 +1,45 @@
+import Facebook from '../Facebook'
+import { StatisticType } from '../../../../../types/schemas/Statistic'
+
+// 3 noms et le nombre d'occurence
+
+function getFirstName(fullName : string) {
+  return fullName.split(' ')[0];
+}
+
+Facebook.prototype.getContactsStatistics = async function getContactsStatistics() {
+  const contactsData = await this.getContacts({
+    parsingOptions: {
+      pagination: {
+        offset: 0,
+        items: Infinity,
+      },
+    },
+  })
+
+  if (!contactsData) { return null }
+
+  const contactMap = new Map()
+  contactsData.data.forEach((entry) => {
+    const firstName : string = entry.displayName === undefined ? '' : getFirstName(entry.displayName);
+    if (contactMap.has(firstName)) contactMap.set(firstName, contactMap.get(firstName) + 1);
+    else contactMap.set(firstName, 1);
+  })
+
+  const contactMapSorted = new Map([...contactMap.entries()].sort((a, b) => b[1] - a[1]));
+
+  const keys = Array.from(contactMapSorted.keys()).slice(0, 3);
+  const values = Array.from(contactMapSorted.values()).slice(0, 3);
+  const mapContactsLimited = keys.map((el, i) => ({ firstName: el, value: values[i] }));
+
+  return {
+    statistics: [
+      {
+        type: StatisticType.RANKING,
+        value: mapContactsLimited,
+        name: 'Contacts with the same first name.',
+      },
+    ],
+    parsedFiles: contactsData?.parsedFiles ?? [],
+  }
+}