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DMS/DMS.Infrastructure/Repositories/InitializeRepository.cs

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using DMS.Core.Interfaces.Repositories;
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using DMS.Core.Models;
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using DMS.Infrastructure.Configurations;
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using DMS.Infrastructure.Data;
using DMS.Infrastructure.Entities;
using SqlSugar;
namespace DMS.Infrastructure.Repositories;
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/// <summary>
/// 初始化仓储实现类,负责数据库表和索引的初始化以及默认菜单的创建。
/// 实现 <see cref="IInitializeRepository"/> 接口。
/// </summary>
public class InitializeRepository : IInitializeRepository
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{
private readonly SqlSugarDbContext _dbContext;
private readonly SqlSugarClient _db;
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/// <summary>
/// 构造函数,注入 SqlSugarDbContext。
/// </summary>
/// <param name="dbContext">SqlSugar 数据库上下文,用于数据库操作。</param>
public InitializeRepository(SqlSugarDbContext dbContext)
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{
_dbContext = dbContext;
_db = _dbContext.GetInstance();
}
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/// <summary>
/// 初始化所有数据库表。
/// 如果表不存在,则会创建。
/// </summary>
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public void InitializeTables()
{
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_db.DbMaintenance.CreateDatabase(); // 创建数据库(如果不存在)
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_db.CodeFirst.InitTables<DbNlog>();
_db.CodeFirst.InitTables<DbDevice>();
_db.CodeFirst.InitTables<DbVariableTable>();
_db.CodeFirst.InitTables<DbVariable>();
_db.CodeFirst.InitTables<DbVariableHistory>();
_db.CodeFirst.InitTables<DbUser>();
_db.CodeFirst.InitTables<DbMqttServer>();
_db.CodeFirst.InitTables<DbVariableMqttAlias>();
_db.CodeFirst.InitTables<DbMenu>();
}
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/// <summary>
/// 初始化数据库表索引。
/// 为特定表的列创建唯一索引,以提高查询效率和数据完整性。
/// </summary>
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public void InitializeTableIndex()
{
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// 为 DbDevice 表创建索引
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_db.DbMaintenance.CreateIndex(nameof(DbDevice),new []
{
nameof(DbDevice.Name),
nameof(DbDevice.OpcUaServerUrl),
},true);
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// 为 DbVariable 表创建索引
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_db.DbMaintenance.CreateIndex(nameof(DbVariable),new []
{
nameof(DbVariable.OpcUaNodeId)
},true);
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// 为 DbMqttServer 表创建索引
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_db.DbMaintenance.CreateIndex(nameof(DbMqttServer),new []
{
nameof(DbMqttServer.ServerName)
},true);
}
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/// <summary>
/// 检查数据库中是否存在指定的表。
/// </summary>
/// <param name="tableName">要检查的表名。</param>
/// <returns>如果表存在则为 true否则为 false。</returns>
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public bool IsAnyTable(string tableName)
{
return _db.DbMaintenance.IsAnyTable(tableName, false);
}
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/// <summary>
/// 检查数据库中是否存在指定的索引。
/// </summary>
/// <param name="indexName">要检查的索引名。</param>
/// <returns>如果索引存在则为 true否则为 false。</returns>
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public bool IsAnyIndex(string indexName)
{
return _db.DbMaintenance.IsAnyIndex(indexName);
}
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/// <summary>
/// 初始化默认菜单。
/// 如果配置文件中没有菜单,则添加一组默认菜单项。
/// </summary>
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public void InitializeMenus()
{
var settings = AppSettings.Load();
if (settings.Menus.Any())
{
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return ; // 如果已经有菜单,则不进行初始化
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}
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// 添加默认菜单项
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settings.Menus.Add(new MenuBean() { Id=1, Header = "主页", Icon = "Home", ParentId = 0 });
settings.Menus.Add(new MenuBean() { Id = 2, Header = "设备", Icon = "Devices3", ParentId = 0 });
settings.Menus.Add(new MenuBean() { Id = 3, Header = "数据转换", Icon = "ChromeSwitch", ParentId = 0 });
settings.Menus.Add(new MenuBean() { Id = 4, Header = "Mqtt服务器", Icon = "Cloud", ParentId = 0 });
settings.Menus.Add(new MenuBean() { Id = 5, Header = "设置", Icon = "Settings", ParentId = 0 });
settings.Menus.Add(new MenuBean() { Id = 6, Header = "关于", Icon = "Info", ParentId = 0 });
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settings.Save(); // 保存菜单到配置文件
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return ;
}
}