first commit

2024-09-27 01:31:25 +08:00
commit 07c46ac300
558 changed files with 37414 additions and 0 deletions
--- a/untitled/lib/service/LikeService.dart
+++ b/untitled/lib/service/LikeService.dart
@@ -0,0 +1,93 @@
+import 'package:peach/entity/_.dart';
+import 'package:peach/db/SQLite.dart';
+
+class LikeService {
+
+  static String TableName = "Like";
+  static String tabsNameSingleGraph = "SingleGraph";
+
+  ///====================== 写真收藏 ======================///
+
+  /// 添加喜欢
+  static Future<int> addLike(LikeEntity user) async {
+    var _db = await SQLite().db;
+    return await _db.insert(LikeService.TableName, user.toJson());
+  }
+
+  /// 查询所有喜欢数据
+  static Future<List<LikeEntity>> findAll() async {
+    var _db = await await SQLite().db;
+    List<Map<String, dynamic>> result = await _db.query(LikeService.TableName);
+
+    return result.isNotEmpty
+        ? result.map((e) {
+            return LikeEntity.fromJson(e);
+          }).toList()
+        :[];
+  }
+
+  /// 根据id查询数据，注意这里返回 true，false，
+  /// 主要为了在详情页控制收藏按钮的样式，如果需要返回数据
+  /// 需要修改类型为： Future<List<LikeEntity>> 和 return的结果
+  /// LikeEntity.fromJson(e);
+  static Future<bool> find(int id) async {
+    var _db = await SQLite().db;
+    List<Map<String, dynamic>> result = await _db.query(
+        LikeService.TableName,
+        where: 'id = ?',
+        whereArgs: [id]
+    );
+    return result.isNotEmpty ? true : false;
+  }
+
+  /// 根据id删除数据
+  static Future<int> delete(int id) async {
+    var _db = await await SQLite().db;
+    return await _db.delete(
+        LikeService.TableName,
+        where: 'id = ?',
+        whereArgs: [id]
+    );
+  }
+
+  ///====================== 单图收藏 ======================
+
+  // 查询所有收藏的图片
+  static Future<List<SingleGraphEntity>> findAllImg() async {
+    var _db = await await SQLite().db;
+    List<Map<String, dynamic>> result = await _db.query(LikeService.tabsNameSingleGraph, orderBy: "id DESC");
+    return result.isNotEmpty
+        ? result.map((e) {
+            return SingleGraphEntity.fromJson(e);
+          }).toList()
+        :[];
+  }
+
+  // 添加图片
+  static Future<int> addImg(SingleGraphEntity Img) async {
+    var _db = await SQLite().db;
+    return await _db.insert(LikeService.tabsNameSingleGraph, Img.toJson());
+  }
+
+  // 检测图片是否已经收藏过
+  static Future<bool> checkIsLike(String src) async {
+    var _db = await SQLite().db;
+    List<Map<String, dynamic>> result = await _db.query(
+        LikeService.tabsNameSingleGraph,
+        where: 'src = ?',
+        whereArgs: [src]
+    );
+    return result.isNotEmpty ? true : false;
+  }
+
+  // 根据 地址删除收藏的图片
+  static Future<int> deleteImg(String src) async {
+    var _db = await await SQLite().db;
+    return await _db.delete(
+        LikeService.tabsNameSingleGraph,
+        where: 'src = ?',
+        whereArgs: [src]
+    );
+  }
+
+}