Add RTDB get() snippet (#133)

Author: samtstern

database-next/read-and-write.js

@@ -161,3 +161,19 @@ function toggleStar_wrapped() {
   // [END rtdb_social_star_transaction]
 }
 
+function readOnceWithGet(userId) {
+  // [START rtdb_read_once_get]
+  const { getDatabase, ref, child, get } = require("firebase/database");
+
+  const dbRef = ref(getDatabase(firebaseApp));
+  get(child(dbRef, `users/${userId}`)).then((snapshot) => {
+    if (snapshot.exists()) {
+      console.log(snapshot.val());
+    } else {
+      console.log("No data available");
+    }
+  }).catch((error) => {
+    console.error(error);
+  });
+  // [END rtdb_read_once_get]
+}

database/read-and-write.js

@@ -123,3 +123,18 @@ function toggleStar(postRef, uid) {
   });
 }
 // [END rtdb_social_star_transaction]
+
+function readOnceWithGet(userId) {
+  // [START rtdb_read_once_get]
+  const dbRef = firebase.database().ref();
+  dbRef.child("users").child(userId).get().then((snapshot) => {
+    if (snapshot.exists()) {
+      console.log(snapshot.val());
+    } else {
+      console.log("No data available");
+    }
+  }).catch((error) => {
+    console.error(error);
+  });
+  // [END rtdb_read_once_get]
+}

snippets/database-next/read-and-write/rtdb_read_once_get.js

@@ -0,0 +1,19 @@
+// This snippet file was generated by processing the source file:
+// ./database-next/read-and-write.js
+//
+// To make edits to the snippets in this file, please edit the source
+
+// [START rtdb_read_once_get_modular]
+import { getDatabase, ref, child, get } from "firebase/database";
+
+const dbRef = ref(getDatabase(firebaseApp));
+get(child(dbRef, `users/${userId}`)).then((snapshot) => {
+  if (snapshot.exists()) {
+    console.log(snapshot.val());
+  } else {
+    console.log("No data available");
+  }
+}).catch((error) => {
+  console.error(error);
+});
+// [END rtdb_read_once_get_modular]