feat:增加菜谱后端接口

lib/models/recipe.dart

@@ -9,11 +9,7 @@ class Material {
   String name;
   String amount;
 
-  Material({
-    required this.type,
-    required this.name,
-    required this.amount,
-  });
+  Material({required this.type, required this.name, required this.amount});
 
   factory Material.fromJson(Map<String, dynamic> json) =>
       _$MaterialFromJson(json);
@@ -28,14 +24,9 @@ class Step {
   String content;
   String imageUrl;
 
-  Step({
-    required this.sort,
-    required this.content,
-    required this.imageUrl,
-  });
+  Step({required this.sort, required this.content, required this.imageUrl});
 
-  factory Step.fromJson(Map<String, dynamic> json) =>
-      _$StepFromJson(json);
+  factory Step.fromJson(Map<String, dynamic> json) => _$StepFromJson(json);
 
   Map<String, dynamic> toJson() => _$StepToJson(this);
 }
@@ -66,28 +57,40 @@ class Comment {
 /// 成果信息
 @JsonSerializable()
 class Record {
-  int id;
+  int? id;
   String name;
-  String? category;
+  String category;
   int person;
   String date;
   String imageUrl;
 
   Record({
-    required this.id,
+    this.id,
     required this.name,
-    this.category,
+    required this.category,
     required this.person,
     required this.date,
     required this.imageUrl,
   });
 
-  factory Record.fromJson(Map<String, dynamic> json) =>
-      _$RecordFromJson(json);
+  factory Record.fromJson(Map<String, dynamic> json) => _$RecordFromJson(json);
 
   Map<String, dynamic> toJson() => _$RecordToJson(this);
 }
 
+@JsonSerializable()
+class RecipeQuery {
+  String category;
+
+  RecipeQuery({
+    required this.category
+  });
+
+  factory RecipeQuery.fromJson(Map<String, dynamic> json) => _$RecipeQueryFromJson(json);
+
+  Map<String, dynamic> toJson() => _$RecipeQueryToJson(this);
+}
+
 /// 菜谱信息
 @JsonSerializable()
 class Recipe {
@@ -100,8 +103,8 @@ class Recipe {
   int? userId;
   String? username;
   String? avatar;
-  List<Material> materialList;
-  List<Step> stepList;
+  List<Material>? materialList;
+  List<Step>? stepList;
   List<Record> recordList;
   List<int>? likeList;
   int? likeCount;
@@ -120,8 +123,8 @@ class Recipe {
     this.userId,
     this.username,
     this.avatar,
-    required this.materialList,
-    required this.stepList,
+    this.materialList,
+    this.stepList,
     required this.recordList,
     this.likeList,
     this.likeCount,
@@ -131,8 +134,7 @@ class Recipe {
     this.commentCount,
   });
 
-  factory Recipe.fromJson(Map<String, dynamic> json) =>
-      _$RecipeFromJson(json);
+  factory Recipe.fromJson(Map<String, dynamic> json) => _$RecipeFromJson(json);
 
   Map<String, dynamic> toJson() => _$RecipeToJson(this);
 }

lib/models/recipe.g.dart

@@ -47,9 +47,9 @@ Map<String, dynamic> _$CommentToJson(Comment instance) => <String, dynamic>{
 };
 
 Record _$RecordFromJson(Map<String, dynamic> json) => Record(
-  id: (json['id'] as num).toInt(),
+  id: (json['id'] as num?)?.toInt(),
   name: json['name'] as String,
-  category: json['category'] as String?,
+  category: json['category'] as String,
   person: (json['person'] as num).toInt(),
   date: json['date'] as String,
   imageUrl: json['imageUrl'] as String,
@@ -64,6 +64,12 @@ Map<String, dynamic> _$RecordToJson(Record instance) => <String, dynamic>{
   'imageUrl': instance.imageUrl,
 };
 
+RecipeQuery _$RecipeQueryFromJson(Map<String, dynamic> json) =>
+    RecipeQuery(category: json['category'] as String);
+
+Map<String, dynamic> _$RecipeQueryToJson(RecipeQuery instance) =>
+    <String, dynamic>{'category': instance.category};
+
 Recipe _$RecipeFromJson(Map<String, dynamic> json) => Recipe(
   id: (json['id'] as num?)?.toInt(),
   name: json['name'] as String,
@@ -75,12 +81,12 @@ Recipe _$RecipeFromJson(Map<String, dynamic> json) => Recipe(
   username: json['username'] as String?,
   avatar: json['avatar'] as String?,
   materialList:
-      (json['materialList'] as List<dynamic>)
-          .map((e) => Material.fromJson(e as Map<String, dynamic>))
+      (json['materialList'] as List<dynamic>?)
+          ?.map((e) => Material.fromJson(e as Map<String, dynamic>))
           .toList(),
   stepList:
-      (json['stepList'] as List<dynamic>)
-          .map((e) => Step.fromJson(e as Map<String, dynamic>))
+      (json['stepList'] as List<dynamic>?)
+          ?.map((e) => Step.fromJson(e as Map<String, dynamic>))
           .toList(),
   recordList:
       (json['recordList'] as List<dynamic>)