wip: history panes

lib/screens/common_widgets/code_pane.dart

@@ -0,0 +1,55 @@
+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/utils/utils.dart';
+import 'package:apidash/consts.dart';
+
+final Codegen codegen = Codegen();
+
+class CodePane extends ConsumerWidget {
+  const CodePane({
+    super.key,
+    this.isHistoryRequest = false,
+  });
+
+  final bool isHistoryRequest;
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final CodegenLanguage codegenLanguage =
+        ref.watch(codegenLanguageStateProvider);
+
+    final selectedHistoryRequestModel =
+        ref.watch(selectedHistoryRequestModelProvider);
+
+    final selectedRequestModel = isHistoryRequest
+        ? getRequestModelFromHistoryModel(selectedHistoryRequestModel!)
+        : ref.watch(selectedRequestModelProvider);
+    final defaultUriScheme =
+        ref.watch(settingsProvider.select((value) => value.defaultUriScheme));
+
+    var envMap = ref.watch(availableEnvironmentVariablesStateProvider);
+    var activeEnvId = ref.watch(activeEnvironmentIdStateProvider);
+
+    final substitutedRequestModel = selectedRequestModel?.copyWith(
+        httpRequestModel: substituteHttpRequestModel(
+            selectedRequestModel.httpRequestModel!, envMap, activeEnvId));
+
+    final code = codegen.getCode(
+        codegenLanguage, substitutedRequestModel!, defaultUriScheme);
+    if (code == null) {
+      return const ErrorMessage(
+        message: "An error was encountered while generating code. $kRaiseIssue",
+      );
+    }
+    return ViewCodePane(
+      code: code,
+      codegenLanguage: codegenLanguage,
+      onChangedCodegenLanguage: (CodegenLanguage? value) {
+        ref.read(codegenLanguageStateProvider.notifier).state = value!;
+      },
+    );
+  }
+}