Kotlin Code Generator Added

lib/codegen/kotlin/pkg_okhttp.dart

@@ -0,0 +1,78 @@
+import 'package:apidash/consts.dart';
+
+import '../../models/request_model.dart';
+
+class KotlinOkHttpCodeGen {
+  final String headerSnippet = """import okhttp3.MediaType.Companion.toMediaType
+import okhttp3.MultipartBody
+import okhttp3.OkHttpClient
+import okhttp3.Request
+import okhttp3.RequestBody.Companion.toRequestBody
+import okhttp3.RequestBody.Companion.asRequestBody
+import java.io.File
+import java.util.concurrent.TimeUnit
+
+val client = OkHttpClient()
+""";
+
+  final String footerSnippet = """  .build()
+val response = client.newCall(request).execute()
+
+println(response.body!!.string())
+""";
+  String getCode(RequestModel requestModel) {
+    String result = "";
+    result = result + headerSnippet;
+    if (requestModel.method != HTTPVerb.get &&
+        requestModel.method != HTTPVerb.head) {
+      result =
+          """${result}val mediaType = "${requestModel.requestBodyContentType == ContentType.json ? "application/json" : "text/plain"}".toMediaType()
+val body = "${requestModel.requestBody}".toRequestBody(mediaType)\n""";
+    }
+    result = "${result}val request = Request.Builder()\n";
+
+    result = "$result  .url(\"${requestModel.url}\")\n";
+    result = result + addQueryParams(requestModel);
+    result = result + addRequestMethod(requestModel);
+    result = result + addHeaders(requestModel);
+    result = result + footerSnippet;
+
+    return result;
+  }
+
+  String addQueryParams(RequestModel requestModel) {
+    String result = "";
+    if (requestModel.requestParams == null) {
+      return result;
+    }
+    for (final queryParam in requestModel.requestParams!) {
+      result =
+          """$result  .addQueryParameter("${queryParam.k}", "${queryParam.v}")\n""";
+    }
+    return result;
+  }
+
+  String addHeaders(RequestModel requestModel) {
+    String result = "";
+    if (requestModel.requestHeaders == null) {
+      return result;
+    }
+    for (final header in requestModel.requestHeaders!) {
+      result = """$result  .addHeader("${header.k}", "${header.v}")\n""";
+    }
+    return result;
+  }
+
+  String addRequestMethod(RequestModel requestModel) {
+    String result = "";
+    if (requestModel.method != HTTPVerb.get &&
+        requestModel.method != HTTPVerb.head &&
+        requestModel.method != HTTPVerb.delete) {
+      result = """$result  .${requestModel.method.name}(body)\n""";
+    }
+    if (requestModel.method == HTTPVerb.delete) {
+      result = """$result  .method("DELETE", body)\n""";
+    }
+    return result;
+  }
+}