Dart code generator

This commit is contained in:
Ankit Mahato
2023-03-21 22:48:11 +05:30
parent 6ca15e596e
commit 9c06700380
5 changed files with 221 additions and 4 deletions

1
lib/codegen/codegen.dart Normal file
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@ -0,0 +1 @@
export 'dart/pkg_http.dart';

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@ -0,0 +1,143 @@
import 'package:jinja/jinja.dart' as jj;
import 'package:apidash/consts.dart';
import 'package:apidash/models/models.dart' show RequestModel, rowsToMap;
String kTemplateUrl = """import 'package:http/http.dart' as http;
void main() async {
var uri = Uri.parse('{{url}}');
""";
String kTemplateParams = """
var queryParams = {{params}};
""";
String kStringUrlParams = """
var urlQueryParams = Map<String,String>.from(uri.queryParameters);
urlQueryParams.addAll(queryParams);
uri = uri.replace(queryParameters: urlQueryParams);
""";
String kStringNoUrlParams = """
uri = uri.replace(queryParameters: queryParams);
""";
String kTemplateHeaders = """
var headers = {{headers}};
""";
String kTemplateBody = """
String body = r'''{{body}}''';
""";
String kTemplateRequest = """
response = await http.{{method}}(requestUrl""";
String kStringRequestHeaders = """,
headers: headers""";
String kStringRequestBody = """,
body: body""";
String kStringRequestEnd = """);
""";
String kTemplateSingleSuccess = """
if (response.statusCode == {{code}}) {
""";
String kTemplateMultiSuccess = """
if ({{codes}}.contains(response.statusCode)) {\n""";
String kStringResult = r"""
print('Status Code: ${response.statusCode}');
print('Result: ${response.body}');
}
else{
print('Error Status Code: ${response.statusCode}');
}
}
""";
String getDartHttpCode(RequestModel requestModel) {
//try {
String result = "";
bool hasHeaders = false;
bool hasBody = false;
String url = requestModel.url;
if (!url.contains("://") && url.isNotEmpty) {
url = kDefaultUriScheme + url;
}
var templateUrl = jj.Template(kTemplateUrl);
result += templateUrl.render({"url": url});
var paramsList = requestModel.requestParams;
if (paramsList != null) {
var params = rowsToMap(requestModel.requestParams) ?? {};
if (params.isNotEmpty) {
var templateParams = jj.Template(kTemplateParams);
result += templateParams.render({"params": encoder.convert(params)});
Uri uri = Uri.parse(url);
if (uri.hasQuery) {
result += kStringUrlParams;
} else {
result += kStringNoUrlParams;
}
}
}
var headersList = requestModel.requestHeaders;
if (headersList != null) {
var headers = rowsToMap(requestModel.requestHeaders) ?? {};
if (headers.isNotEmpty) {
hasHeaders = true;
var templateHeaders = jj.Template(kTemplateHeaders);
result += templateHeaders.render({"headers": encoder.convert(headers)});
}
}
var method = requestModel.method;
if (kMethodsWithBody.contains(method) && requestModel.requestBody != null) {
var body = requestModel.requestBody;
hasBody = true;
var templateBody = jj.Template(kTemplateBody);
result += templateBody.render({"body": body});
}
var templateRequest = jj.Template(kTemplateRequest);
result += templateRequest.render({"method": method.name});
if (hasHeaders) {
result += kStringRequestHeaders;
}
if (hasBody) {
result += kStringRequestBody;
}
result += kStringRequestEnd;
var success = kCodegenSuccessStatusCodes[method]!;
if (success.length > 1) {
var templateMultiSuccess = jj.Template(kTemplateMultiSuccess);
result += templateMultiSuccess.render({"codes": success});
} else {
var templateSingleSuccess = jj.Template(kTemplateSingleSuccess);
result += templateSingleSuccess.render({"code": success[0]});
}
result += kStringResult;
return result;
//} catch (e) {
// return "An error was encountered while generating code. $kRaiseIssue";
//}
}

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@ -1,15 +1,63 @@
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:apidash/providers/providers.dart';
import 'package:apidash/widgets/widgets.dart';
import 'package:apidash/codegen/codegen.dart';
import 'package:apidash/consts.dart';
class CodePane extends StatefulWidget {
class CodePane extends ConsumerStatefulWidget {
const CodePane({super.key});
@override
State<CodePane> createState() => _CodePaneState();
ConsumerState<CodePane> createState() => _CodePaneState();
}
class _CodePaneState extends State<CodePane> {
class _CodePaneState extends ConsumerState<CodePane> {
@override
void initState() {
super.initState();
}
@override
Widget build(BuildContext context) {
return Container();
final activeId = ref.watch(activeIdStateProvider);
final collection = ref.watch(collectionStateNotifierProvider);
final idIdx = collection.indexWhere((m) => m.id == activeId);
final requestModel = collection[idIdx];
print("update");
var codeTheme = Theme.of(context).brightness == Brightness.light
? kLightCodeTheme
: kDarkCodeTheme;
final textContainerdecoration = BoxDecoration(
color: Theme.of(context).brightness == Brightness.dark
? Color.alphaBlend(
Theme.of(context).colorScheme.surface.withOpacity(0.8),
Colors.black)
: Color.alphaBlend(
Theme.of(context).colorScheme.surface.withOpacity(0.2),
Colors.white),
border: Border.all(color: Theme.of(context).colorScheme.surfaceVariant),
borderRadius: kBorderRadius8,
);
return Padding(
padding: kP10,
child: Column(
children: [
Expanded(
child: Container(
width: double.maxFinite,
padding: kP8,
decoration: textContainerdecoration,
child: CodePreviewer(
code: getDartHttpCode(requestModel),
theme: codeTheme,
language: 'dart',
textStyle: kCodeStyle,
),
),
),
],
),
);
}
}

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@ -139,6 +139,14 @@ packages:
url: "https://pub.dev"
source: hosted
version: "0.1.1"
html_unescape:
dependency: transitive
description:
name: html_unescape
sha256: "15362d7a18f19d7b742ef8dcb811f5fd2a2df98db9f80ea393c075189e0b61e3"
url: "https://pub.dev"
source: hosted
version: "2.0.0"
http:
dependency: "direct main"
description:
@ -155,6 +163,14 @@ packages:
url: "https://pub.dev"
source: hosted
version: "4.0.2"
jinja:
dependency: "direct main"
description:
name: jinja
sha256: "7b6fd9b8420e9db923a0852aa43f688b99381f45caee60b3ba8dcc445d5e60b9"
url: "https://pub.dev"
source: hosted
version: "0.4.2"
js:
dependency: transitive
description:
@ -360,6 +376,14 @@ packages:
url: "https://pub.dev"
source: hosted
version: "0.4.16"
textwrap:
dependency: transitive
description:
name: textwrap
sha256: "342fb85c503a27c68e0dd21f7be35360acf3231f929e0dcb23cc8593d2919c36"
url: "https://pub.dev"
source: hosted
version: "1.2.0"
typed_data:
dependency: transitive
description:

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@ -21,6 +21,7 @@ dependencies:
highlighter: ^0.1.1
string_scanner: ^1.2.0
xml: ^6.2.2
jinja: ^0.4.2
dev_dependencies:
flutter_test: