Notes

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:gurulduyo/utils/screen.dart';

class Helpers {
static bool isNullOrEmpty(String value) {
return value != null && value.length > 0;
}

static String durationToString(int minutes) {
var d = Duration(minutes: minutes);
List<String> parts = d.toString().split(':');
if (minutes >= 600)
return '${parts[0].padLeft(2, '0')}:${parts[1].padLeft(2, '0')} saate';
else if (minutes >= 60)
return '${parts[0].padLeft(1, '1')}:${parts[1].padLeft(2, '0')} saate';
else
return '${parts[1].padLeft(2, '0')} dakikaya';
}

static Widget getOpenOrClose(
bool isAvaible, String openingTime, String closingTime) {
var status = "Açık";
if (!isAvaible) {
status = "Kapalı";
} else {
try {
var opening = DateTime.parse(openingTime).millisecondsSinceEpoch;
var closing = DateTime.parse(closingTime).millisecondsSinceEpoch;
var dateTime = DateTime.now().millisecondsSinceEpoch;

if (dateTime >= opening && dateTime <= closing) {
status = "Açık";
}
} catch (e) {
status = "Kapalı";
}
}

return Text(
status,
style: TextStyle(
color: Colors.green,
fontSize: Screen.size(14),
fontWeight: FontWeight.w500,
),
);
}
}

--------------------------------------
import 'dart:convert';

class RestaurantModel {
RestaurantModel({
this.id,
this.userId,
this.name,
this.description,
this.address,
this.logoPath,
this.isAvaliable,
this.distance,
this.distanceString,
this.latitude,
this.longitude,
this.openingTime,
this.closingTime,
this.restaurantCategories,
});

int id;
int userId;
String name;
String description;
String address;
String logoPath;
bool isAvaliable;
double distance;
String distanceString;
double latitude;
double longitude;
String openingTime;
String closingTime;
List<RestaurantCategory> restaurantCategories;

factory RestaurantModel.fromJson(String str) =>
RestaurantModel.fromMap(json.decode(str));

String toJson() => json.encode(toMap());

factory RestaurantModel.fromMap(Map<String, dynamic> json) => RestaurantModel(
id: json["id"],
userId: json["userId"],
name: json["name"],
description: json["description"],
address: json["address"],
logoPath: json["logoPath"],
isAvaliable: json["isAvaliable"],
distance: json["distance"].toDouble(),
distanceString: json["distanceString"],
latitude: json["latitude"].toDouble(),
longitude: json["longitude"].toDouble(),
openingTime: json["openingTime"],
closingTime: json["closingTime"],
restaurantCategories: List<RestaurantCategory>.from(
json["restaurantCategories"]
.map((x) => RestaurantCategory.fromMap(x))),
);

Map<String, dynamic> toMap() => {
"id": id,
"userId": userId,
"name": name,
"description": description,
"address": address,
"logoPath": logoPath,
"isAvaliable": isAvaliable,
"distance": distance,
"distanceString": distanceString,
"latitude": latitude,
"longitude": longitude,
"openingTime": openingTime,
"closingTime": closingTime,
"restaurantCategories":
List<dynamic>.from(restaurantCategories.map((x) => x.toMap())),
};
}

class RestaurantCategory {
RestaurantCategory({
this.categoryId,
this.categoryName,
});

int categoryId;
String categoryName;

factory RestaurantCategory.fromJson(String str) =>
RestaurantCategory.fromMap(json.decode(str));

String toJson() => json.encode(toMap());

factory RestaurantCategory.fromMap(Map<String, dynamic> json) =>
RestaurantCategory(
categoryId: json["categoryId"],
categoryName: json["categoryName"],
);

Map<String, dynamic> toMap() => {
"categoryId": categoryId,
"categoryName": categoryName,
};
}

------------------------

Helpers.getOpenOrClose(
model.isAvaliable,
model.openingTime,
model.closingTime),