add user on fireStore database

lib/core/service/firestore_user.dart

@@ -0,0 +1,13 @@
+import 'package:cloud_firestore/cloud_firestore.dart';
+import 'package:ecommerce_app/model/user_model.dart';
+
+class FireStoreUser {
+  final CollectionReference _userCollectionRef =
+      FirebaseFirestore.instance.collection('Users');
+
+  Future<void> addUserToFireStore(UserModel userModel) async {
+    return await _userCollectionRef
+        .doc(userModel.userId)
+        .set(userModel.toJson());
+  }
+}

lib/core/view_model/auth_view_model.dart

@@ -1,3 +1,5 @@
+import 'package:ecommerce_app/core/service/firestore_user.dart';
+import 'package:ecommerce_app/model/user_model.dart';
 import 'package:ecommerce_app/view/home_view.dart';
 import 'package:firebase_auth/firebase_auth.dart';
 import 'package:flutter/material.dart';
@@ -46,7 +48,10 @@ class AuthViewModel extends GetxController {
       accessToken: googleSignInAuthentication.accessToken,
     );
 
-    await _auth.signInWithCredential(credential);
+    await _auth.signInWithCredential(credential).then((user) {
+      saveUser(user);
+      Get.offAll(HomeView());
+    });
   }
 
   void facebookSignInMethod() async {
@@ -57,7 +62,9 @@ class AuthViewModel extends GetxController {
     if (result.status == FacebookLoginStatus.loggedIn) {
       final faceCredential = FacebookAuthProvider.credential(accessToken);
 
-      await _auth.signInWithCredential(faceCredential);
+      await _auth.signInWithCredential(faceCredential).then((user) async {
+        saveUser(user);
+      });
     }
   }
 
@@ -78,8 +85,11 @@ class AuthViewModel extends GetxController {
 
   void createAccountWithEmailAndPassword() async {
     try {
-      await _auth.createUserWithEmailAndPassword(
-          email: email, password: password);
+      await _auth
+          .createUserWithEmailAndPassword(email: email, password: password)
+          .then((user) async {
+        saveUser(user);
+      });
 
       Get.offAll(HomeView());
     } catch (e) {
@@ -92,4 +102,13 @@ class AuthViewModel extends GetxController {
       );
     }
   }
+
+  void saveUser(UserCredential user) async {
+    await FireStoreUser().addUserToFireStore(UserModel(
+      userId: user.user.uid,
+      email: user.user.email,
+      name: name == null ? user.user.displayName : name,
+      pic: '',
+    ));
+  }
 }

lib/model/user_model.dart

@@ -0,0 +1,25 @@
+class UserModel {
+  String userId, email, name, pic;
+
+  UserModel({this.userId, this.email, this.name, this.pic});
+
+  UserModel.fromJson(Map<dynamic, dynamic> map) {
+    if (map == null) {
+      return;
+    }
+
+    userId = map['userId'];
+    email = map['email'];
+    name = map['name'];
+    pic = map['pic'];
+  }
+
+  toJson() {
+    return {
+      'userId': userId,
+      'email': email,
+      'name': name,
+      'pic': pic,
+    };
+  }
+}

pubspec.lock

@@ -36,6 +36,27 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.0-nullsafety.3"
+  cloud_firestore:
+    dependency: "direct main"
+    description:
+      name: cloud_firestore
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.14.4"
+  cloud_firestore_platform_interface:
+    dependency: transitive
+    description:
+      name: cloud_firestore_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.2.1"
+  cloud_firestore_web:
+    dependency: transitive
+    description:
+      name: cloud_firestore_web
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.2.1+2"
   collection:
     dependency: transitive
     description:

pubspec.yaml

@@ -16,6 +16,7 @@ dependencies:
   firebase_core: "0.5.3"
   firebase_auth: "^0.18.4"
   flutter_facebook_login: ^3.0.0
+  cloud_firestore: "^0.14.4"
 
 dev_dependencies:
   flutter_test: