add auth

lib/core/models/frappe_session_model.dart

@@ -0,0 +1,95 @@
+/// Frappe Session Model
+///
+/// Data model for Frappe API session response.
+/// Used for public API authentication to access blog content.
+library;
+
+import 'package:json_annotation/json_annotation.dart';
+
+part 'frappe_session_model.g.dart';
+
+/// Frappe Session Data
+///
+/// Contains session credentials from Frappe API.
+@JsonSerializable()
+class FrappeSessionData {
+  /// Session ID
+  final String sid;
+
+  /// CSRF Token
+  @JsonKey(name: 'csrf_token')
+  final String csrfToken;
+
+  const FrappeSessionData({
+    required this.sid,
+    required this.csrfToken,
+  });
+
+  factory FrappeSessionData.fromJson(Map<String, dynamic> json) =>
+      _$FrappeSessionDataFromJson(json);
+
+  Map<String, dynamic> toJson() => _$FrappeSessionDataToJson(this);
+}
+
+/// Frappe Session Message Wrapper
+@JsonSerializable()
+class FrappeSessionMessage {
+  /// Session data
+  final FrappeSessionData data;
+
+  const FrappeSessionMessage({
+    required this.data,
+  });
+
+  factory FrappeSessionMessage.fromJson(Map<String, dynamic> json) =>
+      _$FrappeSessionMessageFromJson(json);
+
+  Map<String, dynamic> toJson() => _$FrappeSessionMessageToJson(this);
+}
+
+/// Frappe Session Response
+///
+/// API response from get_session endpoint.
+/// Example:
+/// ```json
+/// {
+///   "message": {
+///     "data": {
+///       "sid": "edb6059ecf147f268176cd4aff8ca034a75ebb8ff23464f9913c9537",
+///       "csrf_token": "d0077178c349f69bc1456401d9a3d90ef0f7b9df3e08cfd26794a53f"
+///     }
+///   },
+///   "home_page": "/app",
+///   "full_name": "PublicAPI"
+/// }
+/// ```
+@JsonSerializable()
+class FrappeSessionResponse {
+  /// Message containing session data
+  final FrappeSessionMessage message;
+
+  /// Home page path
+  @JsonKey(name: 'home_page')
+  final String homePage;
+
+  /// Full name of the API user
+  @JsonKey(name: 'full_name')
+  final String fullName;
+
+  const FrappeSessionResponse({
+    required this.message,
+    required this.homePage,
+    required this.fullName,
+  });
+
+  factory FrappeSessionResponse.fromJson(Map<String, dynamic> json) =>
+      _$FrappeSessionResponseFromJson(json);
+
+  Map<String, dynamic> toJson() => _$FrappeSessionResponseToJson(this);
+
+  /// Get session ID
+  String get sid => message.data.sid;
+
+  /// Get CSRF token
+  String get csrfToken => message.data.csrfToken;
+}

lib/core/models/frappe_session_model.g.dart

@@ -0,0 +1,62 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'frappe_session_model.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+FrappeSessionData _$FrappeSessionDataFromJson(Map<String, dynamic> json) =>
+    $checkedCreate('FrappeSessionData', json, ($checkedConvert) {
+      final val = FrappeSessionData(
+        sid: $checkedConvert('sid', (v) => v as String),
+        csrfToken: $checkedConvert('csrf_token', (v) => v as String),
+      );
+      return val;
+    }, fieldKeyMap: const {'csrfToken': 'csrf_token'});
+
+Map<String, dynamic> _$FrappeSessionDataToJson(FrappeSessionData instance) =>
+    <String, dynamic>{'sid': instance.sid, 'csrf_token': instance.csrfToken};
+
+FrappeSessionMessage _$FrappeSessionMessageFromJson(
+  Map<String, dynamic> json,
+) => $checkedCreate('FrappeSessionMessage', json, ($checkedConvert) {
+  final val = FrappeSessionMessage(
+    data: $checkedConvert(
+      'data',
+      (v) => FrappeSessionData.fromJson(v as Map<String, dynamic>),
+    ),
+  );
+  return val;
+});
+
+Map<String, dynamic> _$FrappeSessionMessageToJson(
+  FrappeSessionMessage instance,
+) => <String, dynamic>{'data': instance.data.toJson()};
+
+FrappeSessionResponse _$FrappeSessionResponseFromJson(
+  Map<String, dynamic> json,
+) => $checkedCreate(
+  'FrappeSessionResponse',
+  json,
+  ($checkedConvert) {
+    final val = FrappeSessionResponse(
+      message: $checkedConvert(
+        'message',
+        (v) => FrappeSessionMessage.fromJson(v as Map<String, dynamic>),
+      ),
+      homePage: $checkedConvert('home_page', (v) => v as String),
+      fullName: $checkedConvert('full_name', (v) => v as String),
+    );
+    return val;
+  },
+  fieldKeyMap: const {'homePage': 'home_page', 'fullName': 'full_name'},
+);
+
+Map<String, dynamic> _$FrappeSessionResponseToJson(
+  FrappeSessionResponse instance,
+) => <String, dynamic>{
+  'message': instance.message.toJson(),
+  'home_page': instance.homePage,
+  'full_name': instance.fullName,
+};