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DMS/DMS.Infrastructure/Repositories/InitializeRepository.cs

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using DMS.Core.Enums;
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 Microsoft.Extensions.Logging;
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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;
private readonly ILogger<InitializeRepository> _logger;
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/// <summary>
/// 构造函数,注入 SqlSugarDbContext 和 ILogger。
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/// </summary>
/// <param name="dbContext">SqlSugar 数据库上下文,用于数据库操作。</param>
/// <param name="logger">日志记录器实例。</param>
public InitializeRepository(SqlSugarDbContext dbContext, ILogger<InitializeRepository> logger)
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{
_dbContext = dbContext;
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_db = _dbContext.GetInstance();
_logger = logger;
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}
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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<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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}
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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)
{
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return _db.DbMaintenance.IsAnyTable(tableName, false);
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}
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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)
{
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return _db.DbMaintenance.IsAnyIndex(indexName);
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}
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/// <summary>
/// 初始化默认菜单。
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/// 如果数据库中没有菜单,则添加一组默认菜单项。
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/// </summary>
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public void InitializeMenus()
{
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// 检查数据库中是否已存在菜单数据
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if (_db.Queryable<DbMenu>()
.Any())
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{
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return; // 如果数据库中已经有菜单,则不进行初始化
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}
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// 创建默认菜单项的 DbMenu 实体列表
var defaultMenus = new List<DbMenu>
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{
new DbMenu
{
Id = 1, Header = "主页", Icon = "\uE80F", ParentId = 0,
MenuType = MenuType.MainMenu, TargetViewKey = "HomeView", DisplayOrder = 1
},
new DbMenu
{
Id = 2, Header = "设备", Icon = "\uE975", ParentId = 0,
MenuType = MenuType.MainMenu, TargetViewKey = "DevicesView",
DisplayOrder = 2
},
new DbMenu
{
Id = 3, Header = "数据转换", Icon = "\uF1CB", ParentId = 0,
MenuType = MenuType.MainMenu, TargetViewKey = "DataTransformView",
DisplayOrder = 3
},
new DbMenu
{
Id = 4, Header = "Mqtt服务器", Icon = "\uE753", ParentId = 0,
MenuType = MenuType.MainMenu, TargetViewKey = "MqttsView",
DisplayOrder = 4
},
new DbMenu
{
Id = 5, Header = "设置", Icon = "\uE713", ParentId = 0,
MenuType = MenuType.MainMenu, TargetViewKey = "SettingView",
DisplayOrder = 5
},
new DbMenu
{
Id = 6, Header = "关于", Icon = "\uE946", ParentId = 0,
MenuType = MenuType.MainMenu, TargetViewKey = "", DisplayOrder = 6
} // 假设有一个AboutView
};
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// 批量插入菜单到数据库
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_db.Insertable(defaultMenus)
.ExecuteCommand();
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}
}