♻️ Refactor

functions/fb.js

@@ -0,0 +1,97 @@
+import firebase from "firebase/app";
+import "firebase/firestore";
+import "firebase/auth";
+
+// Initialize Firebase, copied from cloud console
+const firebaseConfig = {
+  apiKey: "AIzaSyCMsFreESs58-hRxTtiqQrIcimh4i1wbsM",
+  authDomain: "postwoman-api.firebaseapp.com",
+  databaseURL: "https://postwoman-api.firebaseio.com",
+  projectId: "postwoman-api",
+  storageBucket: "postwoman-api.appspot.com",
+  messagingSenderId: "421993993223",
+  appId: "1:421993993223:web:ec0baa8ee8c02ffa1fc6a2",
+  measurementId: "G-ERJ6025CEB"
+};
+firebase.initializeApp(firebaseConfig);
+
+// a reference to the Feeds collection
+const feedsCollection = firebase.firestore().collection("feeds");
+const settingsCollection = firebase.firestore().collection("settings");
+
+// the shared state object that any vue component
+// can get access to
+export const fb = {
+  feedsInFeed: [],
+  currentUser: {},
+  currentSettings: [],
+  writeFeed: async message => {
+    const dt = {
+      createdOn: new Date(),
+      author: fb.currentUser.uid,
+      author_name: fb.currentUser.displayName,
+      author_image: fb.currentUser.photoURL,
+      message
+    };
+    try {
+      return feedsCollection.add(dt);
+    } catch (e) {
+      return console.error("error inserting", dt, e);
+    }
+  },
+  deleteFeed: id =>
+    feedsCollection
+      .doc(id)
+      .delete()
+      .catch(e => console.error("error deleting", dt, e)),
+  writeSettings: async (settings, value) => {
+    const st = {
+      updatedOn: new Date(),
+      author: fb.currentUser.uid,
+      author_name: fb.currentUser.displayName,
+      author_image: fb.currentUser.photoURL,
+      settings,
+      value
+    };
+    try {
+      return settingsCollection.doc(settings).set(st);
+    } catch (e) {
+      return console.error("error updating", dt, e);
+    }
+  }
+};
+
+// onSnapshot is executed every time the data
+// in the underlying firestore collection changes
+// It will get passed an array of references to
+// the documents that match your query
+feedsCollection
+  .orderBy("createdOn", "desc")
+  // .limit(0)
+  .onSnapshot(feedsRef => {
+    const feeds = [];
+    feedsRef.forEach(doc => {
+      const feed = doc.data();
+      feed.id = doc.id;
+      feeds.push(feed);
+    });
+    fb.feedsInFeed = feeds;
+  });
+
+settingsCollection
+  .orderBy("createdOn", "desc")
+  .limit(2)
+  .onSnapshot(settingsRef => {
+    const settings = [];
+    settingsRef.forEach(doc => {
+      const setting = doc.data();
+      setting.id = doc.id;
+      settings.push(setting);
+    });
+    fb.currentSettings = settings;
+  });
+
+// When a user logs in or out, save that in the store
+firebase.auth().onAuthStateChanged(user => {
+  fb.currentUser = user;
+});