using System;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Data;
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using System.IO;
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using System.Linq;
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using HMI.Core.Entity;
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using HMI.Core.Util;
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using HMI.MenuManage.Entity;
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namespace HMI.MenuManage.Model
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{
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public class MenuManageModel : NotifyBase
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{
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public SqliteHelper sqliteHelper;
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private ObservableCollection<MenuData> _DataSource;
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public ObservableCollection<MenuData> DataSource
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{
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get => _DataSource;
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set
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{
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Set(ref _DataSource, value);
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Set(nameof(DataSourceCount));
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}
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}
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public int DataSourceCount { get => DataSource?.Count ?? 0; }
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private ObservableCollection<MenuData> _TreeDataSource;
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public ObservableCollection<MenuData> TreeDataSource
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{
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get => _TreeDataSource;
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set { Set(ref _TreeDataSource, value); }
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}
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public MenuManageModel()
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{
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if (!File.Exists(PathHelper.DatabasePath))
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{
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SqliteHelper.CreateDatabase(PathHelper.DatabasePath);
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}
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sqliteHelper = new SqliteHelper(PathHelper.DatabasePath);
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sqliteHelper.ExecuteSql(@"CREATE TABLE IF NOT EXISTS menu (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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code TEXT NOT NULL,
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name TEXT NOT NULL,
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icon TEXT,
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iconPath TEXT,
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level TEXT,
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type TEXT,
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parentCode TEXT,
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dllPath TEXT,
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className TEXT,
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UNIQUE(code)
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);");
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}
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public void LoadData()
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{
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ObservableCollection<MenuData> data = new ObservableCollection<MenuData>();
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ObservableCollection<MenuData> treeData = new ObservableCollection<MenuData>();
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DataTable dt = sqliteHelper.GetDataTable("SELECT m1.*,m2.name AS parentName FROM menu AS m1 LEFT JOIN menu AS m2 ON m1.parentCode = m2.code Order By m1.id;");
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Dictionary<string, MenuData> cache = new Dictionary<string, MenuData>();
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if (dt != null)
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{
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foreach (DataRow dr in dt.Rows)
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{
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var menu = new MenuData
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{
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Id = dr["id"].ToString(),
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Code = dr["code"].ToString(),
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Name = dr["name"].ToString(),
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Icon = dr["icon"].ToString(),
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Level = dr["level"].ToString(),
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Type = dr["type"].ToString(),
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ParentCode = dr["parentCode"].ToString(),
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ParentName = dr["parentName"].ToString(),
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DllPath = dr["dllPath"].ToString(),
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ClassName = dr["className"].ToString()
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};
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data.Add(menu);
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if (menu.Level == "1")
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{
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treeData.Add(menu);
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}
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cache.Add(menu.Code, menu);
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}
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foreach (var menu in data)
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{
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if (!string.IsNullOrEmpty(menu.ParentCode) && menu.ParentCode != menu.Code)
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{
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cache[menu.ParentCode].Children.Add(menu);
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}
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}
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}
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TreeDataSource = treeData;
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DataSource = data;
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}
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public void DeleteMenuById(string id)
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{
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string sql = $"DELETE FROM menu WHERE id = {id};";
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sqliteHelper.ExecuteSql(sql);
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}
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public void DeleteMenuByIds(IEnumerable<string> ids)
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{
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List<string> sqls = ids.Select(id => $"DELETE FROM menu WHERE id = {id};")
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.ToList();
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sqliteHelper.ExecuteBatchSql(sqls);
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}
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}
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}
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