phanipavank/IIITB_Menu
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Added loading screen on init

Browse Source
This commit is contained in:
Phani Pavan K
2023-09-29 10:17:10 +05:30
parent cfb105068a
commit 47259b7a58
4 changed files with 13 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
lib/constants.dart
View File

@@ -20,3 +20,5 @@ const String hashLink =
const String dataLink = const String dataLink =
"https://raw.githubusercontent.com/kphanipavan/IIITB_Menu/menu_scraper/out.json"; "https://raw.githubusercontent.com/kphanipavan/IIITB_Menu/menu_scraper/out.json";
enum DataStatus { Loaded, Loading, NotFound }

8
lib/models/globalModel.dart
View File

@@ -16,14 +16,14 @@ class GlobalModel extends ChangeNotifier {
late Map<dynamic, dynamic> mainData; late Map<dynamic, dynamic> mainData;
DateTime currentDate = DateTime.now(); DateTime currentDate = DateTime.now();
String menuTime = breakfast; String menuTime = breakfast;
bool menuAvailable = false; DataStatus menuAvailable = DataStatus.Loading;
GlobalModel() { GlobalModel() {
print("In constructor"); print("In constructor");
GlobalModel.loadData().then((value) { GlobalModel.loadData().then((value) {
mainData = value; mainData = value;
if (this.mainData["dates"].keys.contains(this.date)) { if (this.mainData["dates"].keys.contains(this.date)) {
this.menuAvailable = true; this.menuAvailable = DataStatus.Loaded;
} }
// print(mainData); // print(mainData);
notifyListeners(); notifyListeners();
@@ -157,9 +157,9 @@ class GlobalModel extends ChangeNotifier {
void isMenuAvailable() { void isMenuAvailable() {
if (this.mainData["dates"].keys.contains(this.date)) { if (this.mainData["dates"].keys.contains(this.date)) {
this.menuAvailable = true; this.menuAvailable = DataStatus.Loaded;
} else { } else {
this.menuAvailable = false; this.menuAvailable = DataStatus.NotFound;
} }
} }

2
lib/views/homePage.dart
View File

@@ -96,7 +96,7 @@ class HomePage extends StatelessWidget {
), ),
body: TabBarView( body: TabBarView(
controller: cont, controller: cont,
children: data.menuAvailable children: data.menuAvailable != DataStatus.NotFound
? const [ ? const [
MenuListView(menuType: "bf"), MenuListView(menuType: "bf"),
MenuListView(menuType: "ln"), MenuListView(menuType: "ln"),

6
lib/views/menuListView.dart
View File

@@ -1,6 +1,7 @@
// ignore_for_file: unnecessary_this, file_names // ignore_for_file: unnecessary_this, file_names
import 'package:flutter/material.dart'; import 'package:flutter/material.dart';
import 'package:iiitb_menu/constants.dart';
import 'package:iiitb_menu/models/globalModel.dart'; import 'package:iiitb_menu/models/globalModel.dart';
import 'package:iiitb_menu/widgets/itemCard.dart'; import 'package:iiitb_menu/widgets/itemCard.dart';
import 'package:provider/provider.dart'; import 'package:provider/provider.dart';
@@ -15,6 +16,11 @@ class MenuListView extends StatelessWidget {
builder: (BuildContext context, GlobalModel data, Widget? child) { builder: (BuildContext context, GlobalModel data, Widget? child) {
// print(data.date); // print(data.date);
// print(data.mainData["dates"][data.date]); // print(data.mainData["dates"][data.date]);
DataStatus dataStatus = data.menuAvailable;
if (dataStatus == DataStatus.Loading) {
return const Center(
child: Text("Loading...", style: TextStyle(fontSize: 40)));
}
String menuIndex = data.mainData["dates"][data.date]; String menuIndex = data.mainData["dates"][data.date];
return Column( return Column(
children: [ children: [