julia_http_codegen_levo-777

lib/codegen/julia/http.dart

@@ -0,0 +1,215 @@
+import 'dart:io';
+import 'dart:convert';
+import 'package:jinja/jinja.dart' as jj;
+import 'package:apidash/consts.dart';
+import 'package:apidash/utils/utils.dart'
+    show getNewUuid, getValidRequestUri, padMultilineString, stripUriParams;
+import 'package:apidash/models/models.dart' show RequestModel;
+
+class JuliaHttpClientCodeGen {
+  final String kTemplateStart = """using HTTP,JSON
+{% if isFormDataRequest %}using Base:MIME
+{% endif %}
+url = "{{url}}"
+
+""";
+
+  String kTemplateParams = """
+{% set new_params = params | replace(":", "=>") | replace("{", "(") | replace("}", ")") %}
+
+params = Dict{{new_params}}
+""";
+
+  int kParamsPadding = 9;
+
+  String kTemplateBody = '''
+{% set new_params = body | replace(":", "=>") | replace("{", "(") | replace("}", ")") %}
+
+payload = Dict{{new_params}}
+''';
+
+  String kTemplateJson = """
+{% set new_params = body | replace(":", "=>") | replace("{", "(") | replace("}", ")") %}
+
+payload = Dict{{new_params}}
+""";
+
+  String kTemplateHeaders = """
+{% set new_params = headers | replace(":", "=>") | replace("{", "(") | replace("}", ")") %}
+
+headers = Dict{{new_params}}
+""";
+
+  String kTemplateFormHeaderContentType = '''
+multipart/form-data; boundary={{boundary}}''';
+
+  int kHeadersPadding = 10;
+
+  String kTemplateRequest = """
+
+
+response = HTTP.{{method}}(url
+""";
+
+  final String kStringFormDataBody = r'''
+function build_data_list(fields)
+    dataList = []
+    for field in fields
+        name = field["name"]
+        value = field["value"]
+        type_ = get(field, "type", "text")
+
+        push!(dataList, b"--{{boundary}}")
+        if type_ == "text"
+            push!(dataList, b"Content-Disposition: form-data; name=\"$name\"")
+            push!(dataList, b"Content-Type: text/plain")
+            push!(dataList, b"")
+            push!(dataList, codeunits(value))
+        elseif type_ == "file"
+            push!(dataList, b"Content-Disposition: form-data; name=\"$name\"; filename=\"$value\"")
+            push!(dataList, b"Content-Type: $value")
+            push!(dataList, b"")
+            push!(dataList, String(read(value)))
+        end
+    end
+    push!(dataList, "--{{boundary}}--")
+    push!(dataList, b"")
+    return dataList
+end
+
+dataList = build_data_list({{fields_list}})
+payload = join(dataList, b"\r\n")
+''';
+
+  String kStringRequestParams = """, query=params""";
+
+  String kStringRequestBody = """, payload=payload""";
+
+  String kStringRequestJson = """, JSON.json(payload)""";
+
+  String kStringRequestHeaders = """, headers=headers""";
+
+  final String kStringRequestEnd = """
+)
+
+println("Status Code:", response.status)
+println("Response Body:", String(response.body))
+""";
+
+  String? getCode(
+    RequestModel requestModel,
+    String defaultUriScheme,
+  ) {
+    try {
+      String result = "";
+      bool hasQuery = false;
+      bool hasHeaders = false;
+      bool hasBody = false;
+      bool hasJsonBody = false;
+      String uuid = getNewUuid();
+
+      String url = requestModel.url;
+      if (!url.contains("://") && url.isNotEmpty) {
+        url = "$defaultUriScheme://$url";
+      }
+
+      var rec = getValidRequestUri(
+        url,
+        requestModel.enabledRequestParams,
+      );
+      Uri? uri = rec.$1;
+      if (uri != null) {
+        var templateStartUrl = jj.Template(kTemplateStart);
+        result += templateStartUrl.render({
+          "url": stripUriParams(uri),
+          'isFormDataRequest': requestModel.isFormDataRequest
+        });
+
+        if (uri.hasQuery) {
+          var params = uri.queryParameters;
+          if (params.isNotEmpty) {
+            hasQuery = true;
+            var templateParams = jj.Template(kTemplateParams);
+            var paramsString = kEncoder.convert(params);
+            paramsString = padMultilineString(paramsString, kParamsPadding);
+            result += templateParams.render({"params": paramsString});
+          }
+        }
+
+        var method = requestModel.method;
+        var requestBody = requestModel.requestBody;
+        if (kMethodsWithBody.contains(method) && requestBody != null) {
+          var contentLength = utf8.encode(requestBody).length;
+          if (contentLength > 0) {
+            if (requestModel.requestBodyContentType == ContentType.json) {
+              hasJsonBody = true;
+              var templateBody = jj.Template(kTemplateJson);
+              result += templateBody.render({"body": requestBody});
+            } else {
+              hasBody = true;
+              var templateBody = jj.Template(kTemplateBody);
+              result += templateBody.render({"body": requestBody});
+            }
+          }
+        }
+
+        var headersList = requestModel.enabledRequestHeaders;
+        if (headersList != null || hasBody) {
+          var headers = requestModel.enabledHeadersMap;
+          if (requestModel.isFormDataRequest) {
+            var formHeaderTemplate =
+                jj.Template(kTemplateFormHeaderContentType);
+            headers[HttpHeaders.contentTypeHeader] = formHeaderTemplate.render({
+              "boundary": uuid,
+            });
+          }
+          if (headers.isNotEmpty || hasBody) {
+            hasHeaders = true;
+            if (hasBody) {
+              headers[HttpHeaders.contentTypeHeader] =
+                  requestModel.requestBodyContentType.header;
+            }
+            var headersString = kEncoder.convert(headers);
+            headersString = padMultilineString(headersString, kHeadersPadding);
+            var templateHeaders = jj.Template(kTemplateHeaders);
+            result += templateHeaders.render({"headers": headersString});
+          }
+        }
+        if (requestModel.isFormDataRequest) {
+          var formDataBodyData = jj.Template(kStringFormDataBody);
+          result += formDataBodyData.render(
+            {
+              "fields_list": json.encode(requestModel.formDataMapList),
+              "boundary": uuid,
+            },
+          );
+        }
+        var templateRequest = jj.Template(kTemplateRequest);
+        result += templateRequest.render({
+          "method": method.name.toLowerCase(),
+        });
+
+        if (hasQuery) {
+          result += kStringRequestParams;
+        }
+
+        if (hasBody || requestModel.isFormDataRequest) {
+          result += kStringRequestBody;
+        }
+
+        if (hasJsonBody || requestModel.isFormDataRequest) {
+          result += kStringRequestJson;
+        }
+
+        if (hasHeaders || requestModel.isFormDataRequest) {
+          result += kStringRequestHeaders;
+        }
+
+        result += kStringRequestEnd;
+      }
+      return result;
+    } catch (e) {
+      return null;
+    }
+  }
+}