From 0e59de22364a0e7e5ec5f56b2ea18c173cf984a9 Mon Sep 17 00:00:00 2001
From: dhzdhd <ragas5432100@gmail.com>
Date: Fri, 15 Apr 2022 19:38:48 +0530
Subject: [PATCH] Add support for execution of other langs

---
 lib/main.dart                       |  3 ++
 lib/src/home/services/api.dart      | 61 +++++++++++++++++++----------
 lib/src/home/services/language.dart |  5 +--
 3 files changed, 46 insertions(+), 23 deletions(-)

diff --git a/lib/main.dart b/lib/main.dart
index bcdd26a..c70fb5f 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -1,3 +1,5 @@
+import 'package:excode/src/home/services/api.dart';
+
 import 'src/factory.dart';
 import 'package:flutter/material.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
@@ -9,6 +11,7 @@ import 'src/settings/services/settings_service.dart';
 void main() async {
   WidgetsFlutterBinding.ensureInitialized();
   initialise();
+  await ApiHandler.initRuntimeVersionData();
 
   final settingsController = SettingsController(SettingsService());
   await settingsController.loadSettings();
diff --git a/lib/src/home/services/api.dart b/lib/src/home/services/api.dart
index 40e60bf..c9747cd 100644
--- a/lib/src/home/services/api.dart
+++ b/lib/src/home/services/api.dart
@@ -11,9 +11,7 @@ enum Languages {
   crystal,
   dart,
   dash,
-  denoTS,
   nodeTS,
-  denoJS,
   nodeJS,
   basic,
   fSharp,
@@ -78,37 +76,60 @@ enum Languages {
 }
 
 class ApiHandler {
-  static const _url = 'https://emkc.org/api/v2/piston/execute';
+  static const _executeUrl = 'https://emkc.org/api/v2/piston/execute';
+  static const _runtimeUrl = 'https://emkc.org/api/v2/piston/runtimes';
+  static final Map<String, String> _data = {};
+
+  static Future<void> initRuntimeVersionData() async {
+    final res = await dio.get(_runtimeUrl);
+    for (var i in res.data) {
+      _data[i['language']] = i['version'];
+    }
+  }
 
   static Map<String, dynamic> getDataFromLang(Languages lang) {
     switch (lang) {
-      case Languages.python:
-        return {'version': '3.10.0'};
+      case Languages.coffeeScript:
+        return {'language': 'coffeescript', 'version': _data['coffeescript']};
+      case Languages.nodeTS:
+        return {'language': 'typescript', 'version': _data['typescript']};
+      case Languages.nodeJS:
+        return {'language': 'javascript', 'version': _data['javascript']};
+      case Languages.basic:
+        return {'language': 'basic.net', 'version': _data['basic.net']};
+      case Languages.cSharp:
+        return {'language': 'csharp.net', 'version': _data['csharp.net']};
       case Languages.fSharp:
-        return {'language': 'fsharp.net', 'version': '5.0.201'};
-      case Languages.rust:
-        return {'version': '1.50.0'};
+        return {'language': 'fsharp.net', 'version': _data['fsharp.net']};
+      case Languages.cpp:
+        return {'language': 'c++', 'version': _data['c++']};
+      case Languages.golfScript:
+        return {'language': 'golfscript', 'version': _data['golfscript']};
+      case Languages.oCaml:
+        return {'language': 'ocaml', 'version': _data['ocaml']};
       default:
-        return {'language': 'python', 'version': '3.10.0'};
+        return {'language': 'python', 'version': _data['python']};
     }
   }
 
   static Future<Map<String, String>> executeCode(
       Languages lang, String content) async {
     late final Response res;
+    final data = {
+      'language': lang.name,
+      'version': _data.containsKey(lang.name) ? _data[lang.name] : '',
+      'files': [
+        {'content': content}
+      ],
+      'stdin': '',
+      'args': ['1', '2', '3'],
+      'compile_timeout': 10000,
+      'run_timeout': 3000,
+    };
+    if (!_data.containsKey(lang.name)) data.addAll(getDataFromLang(lang));
 
     try {
-      res = await dio.post(_url, data: {
-        'language': lang.name,
-        ...getDataFromLang(lang),
-        'files': [
-          {'content': content}
-        ],
-        'stdin': '',
-        'args': ['1', '2', '3'],
-        'compile_timeout': 10000,
-        'run_timeout': 3000,
-      });
+      res = await dio.post(_executeUrl, data: data);
     } on DioError catch (err) {
       print(err.message);
       return {'error': err.message};
diff --git a/lib/src/home/services/language.dart b/lib/src/home/services/language.dart
index 408d5c1..b26333f 100644
--- a/lib/src/home/services/language.dart
+++ b/lib/src/home/services/language.dart
@@ -165,10 +165,8 @@ Map<String, TextStyle> getThemeFromEnum(Themes theme) {
 String getThemeLangFromEnum(Languages lang) {
   switch (lang) {
     case Languages.cobol: // ?
-    case Languages.denoTS:
     case Languages.nodeTS:
       return 'typescript';
-    case Languages.denoJS:
     case Languages.nodeJS:
     case Languages.golfScript:
       return 'javascript';
@@ -227,6 +225,7 @@ String getThemeLangFromEnum(Languages lang) {
     case Languages.vlang: // ?
     case Languages.zig: // ?
       return 'markdown';
+    default:
+      return Languages.values[lang.index].name.toLowerCase();
   }
-  return Languages.values[lang.index].name.toLowerCase();
 }