Chore: Added data models

LICENSE

@@ -1 +1,16 @@
-TODO: Add your license here.
+Copyright (c) 2020 Derrick Mungai
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

lib/AccessToken.dart

@@ -0,0 +1,18 @@
+class AccessToken {
+  String accessToken;
+  String expiresIn;
+
+  AccessToken({this.accessToken, this.expiresIn});
+
+  AccessToken.fromJson(Map<String, dynamic> json) {
+    accessToken = json['access_token'];
+    expiresIn = json['expires_in'];
+  }
+
+  Map<String, dynamic> toJson() {
+    final Map<String, dynamic> data = new Map<String, dynamic>();
+    data['access_token'] = this.accessToken;
+    data['expires_in'] = this.expiresIn;
+    return data;
+  }
+}

lib/Request.dart

@@ -0,0 +1,56 @@
+class Request {
+  String businessShortCode;
+  String password;
+  String timestamp;
+  String transactionType;
+  String amount;
+  String partyA;
+  String partyB;
+  String phoneNumber;
+  String callBackURL;
+  String accountReference;
+  String transactionDesc;
+
+  Request(
+      {this.businessShortCode,
+        this.password,
+        this.timestamp,
+        this.transactionType,
+        this.amount,
+        this.partyA,
+        this.partyB,
+        this.phoneNumber,
+        this.callBackURL,
+        this.accountReference,
+        this.transactionDesc});
+
+  Request.fromJson(Map<String, dynamic> json) {
+    businessShortCode = json['BusinessShortCode'];
+    password = json['Password'];
+    timestamp = json['Timestamp'];
+    transactionType = json['TransactionType'];
+    amount = json['Amount'];
+    partyA = json['PartyA'];
+    partyB = json['PartyB'];
+    phoneNumber = json['PhoneNumber'];
+    callBackURL = json['CallBackURL'];
+    accountReference = json['AccountReference'];
+    transactionDesc = json['TransactionDesc'];
+  }
+
+  Map<String, dynamic> toJson() {
+    final Map<String, dynamic> data = new Map<String, dynamic>();
+    data['BusinessShortCode'] = this.businessShortCode;
+    data['Password'] = this.password;
+    data['Timestamp'] = this.timestamp;
+    data['TransactionType'] = this.transactionType;
+    data['Amount'] = this.amount;
+    data['PartyA'] = this.partyA;
+    data['PartyB'] = this.partyB;
+    data['PhoneNumber'] = this.phoneNumber;
+    data['CallBackURL'] = this.callBackURL;
+    data['AccountReference'] = this.accountReference;
+    data['TransactionDesc'] = this.transactionDesc;
+    return data;
+  }
+}

lib/Response.dart

@@ -0,0 +1,24 @@
+class Response {
+  String originatorConversationId;
+  String conversationId;
+  String responseDescription;
+
+  Response(
+      {this.originatorConversationId,
+        this.conversationId,
+        this.responseDescription});
+
+  Response.fromJson(Map<String, dynamic> json) {
+    originatorConversationId = json['OriginatorConversationId'];
+    conversationId = json['ConversationId'];
+    responseDescription = json['ResponseDescription'];
+  }
+
+  Map<String, dynamic> toJson() {
+    final Map<String, dynamic> data = new Map<String, dynamic>();
+    data['OriginatorConversationId'] = this.originatorConversationId;
+    data['ConversationId'] = this.conversationId;
+    data['ResponseDescription'] = this.responseDescription;
+    return data;
+  }
+}

lib/fluttermpesa.dart

@@ -1,8 +1,34 @@
 library fluttermpesa;
 
+import 'dart:convert';
+import 'package:http/http.dart' as http;
+import 'package:fluttermpesa/Request.dart';
+import 'package:fluttermpesa/Response.dart';
+import 'AccessToken.dart';
+
 class Mpesa {
 
   var productionUrl="https://api.safaricom.co.ke/";
   var sandboxUrl="https://sandbox.safaricom.co.ke/";
 
+
+  Future<AccessToken> accessToken() async{
+
+    final http.Response response = await http.get( sandboxUrl+"/oauth/v1/generate?grant_type=client_credentials");
+
+    return AccessToken.fromJson(jsonDecode(response.body));
+
+  }
+
+  Future<Response> lipaNaMpesa(Request request) async{
+    var json = jsonEncode(request.toJson());
+    final http.Response response = await http.post( sandboxUrl+"/Mpesa/b2c/v1/paymentrequest",
+        headers: {"Content-Type": "application/json"},
+        body: json);
+    return Response.fromJson(jsonDecode(response.body));
+
+  }
+
+
+
 }

pubspec.lock

@@ -67,6 +67,20 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  http:
+    dependency: "direct main"
+    description:
+      name: http
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.12.1"
+  http_parser:
+    dependency: transitive
+    description:
+      name: http_parser
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.1.4"
   image:
     dependency: transitive
     description:

pubspec.yaml

@@ -10,6 +10,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
+  http: ^0.12.1
 
 dev_dependencies:
   flutter_test: