423 lines
12 KiB
C#
423 lines
12 KiB
C#
/////////////////////////////////////////////////////////////////////////////////
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// 宁波拓通e智造平台 ToTong Next Builder //
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// https://git.tuotong-tech.com/tnb/tnb.server //
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/////////////////////////////////////////////////////////////////////////////////
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using System.Collections.Concurrent;
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using JNPF;
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using JNPF.DependencyInjection;
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using Mapster;
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using SqlSugar;
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using Tnb.Vengine.Domain;
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namespace Tnb.Vengine.DataAccess;
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/// <summary>
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///
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/// </summary>
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public class DataAccess : IDataAccess, ITransient, IDisposable
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{
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const int MAX_PAGE_SIZE = 1000;
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private ISqlSugarClient? sugar;
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protected ISqlSugarClient Db
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{
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get
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{
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if (sugar == null)
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{
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ConnectionStringsOptions conn = App.GetConfig<ConnectionStringsOptions>("ConnectionStrings", true);
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//var DBType = (DbType)Enum.Parse(typeof(DbType), conn.DBType);
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sugar = new SqlSugarScope(new ConnectionConfig
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{
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ConnectionString = conn.ConnectString,
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DbType = conn.DBType.Adapt<DbType>(),
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IsAutoCloseConnection = true,
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ConfigId = conn.ConfigId,
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InitKeyType = InitKeyType.Attribute,
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MoreSettings = new ConnMoreSettings()
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{
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IsAutoRemoveDataCache = true, // 自动清理缓存
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IsAutoToUpper = false,
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PgSqlIsAutoToLower = false,
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DisableNvarchar = true
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},
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}, SugarHelper.ConfigSugar);
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}
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return sugar;
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}
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}
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/// <summary>
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/// 全局缓存
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/// </summary>
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static ConcurrentDictionary<string, ISqlSugarClient> DbCache = new ConcurrentDictionary<string, ISqlSugarClient>();
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/// <summary>
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/// 构造
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/// </summary>
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public DataAccess()
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{
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}
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/// <summary>
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/// 释放
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/// </summary>
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public void Dispose()
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{
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foreach (var item in DbCache)
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{
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item.Value.Dispose();
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}
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DbCache.Clear();
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}
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/// <summary>
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/// 获取 ISqlSugarClient
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/// </summary>
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public ISqlSugarClient GetSqlSugar(string? dbCode = null)
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{
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if (string.IsNullOrEmpty(dbCode) || dbCode == DbConsts.DefaultDbCode)
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{
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return Db;
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}
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if (DbCache.ContainsKey(dbCode))
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{
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return DbCache[dbCode];
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}
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var dblink = GetVmLink(dbCode);
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if (dblink == null)
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{
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throw new Exception($"没有此数据库{dbCode}连接信息");
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}
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var dbType = Enum.Parse<DbType>(dblink.dbType.ToString(), true);
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var sugar = new SqlSugarScope(new ConnectionConfig
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{
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ConnectionString = dblink.dbConnection,
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DbType = dbType,
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IsAutoCloseConnection = true,
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ConfigId = dblink.dbCode,
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InitKeyType = InitKeyType.Attribute,
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MoreSettings = new ConnMoreSettings()
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{
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IsAutoRemoveDataCache = true, // 自动清理缓存
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IsAutoToUpper = false,
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PgSqlIsAutoToLower = false,
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DisableNvarchar = true
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},
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}, SugarHelper.ConfigSugar);
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if (sugar.Ado.IsValidConnection())
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{
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DbCache[dbCode] = sugar;
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}
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else
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{
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sugar.Dispose();
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throw new Exception($"无法连接到数据库{dbCode}");
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}
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return DbCache[dbCode];
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}
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/// <summary>
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/// 获取 DbLink
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/// </summary>
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public VmodelLink GetVmLink(string dbCode)
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{
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var model = Db.Queryable<VmodelLink>().First(a => a.dbCode == dbCode);
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return model;
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}
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/// <summary>
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/// 获取 Vmodel, 为空时不抛异常
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/// </summary>
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public async Task<Vmodel?> TryGetVmodelAsync(string id, bool loadNavigate = false)
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{
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Vmodel vm = await Db.Queryable<Vmodel>().FirstAsync(a => a.id == id && a.deleted == 0);
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if (vm != null && loadNavigate)
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{
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await LoadVmodelNavigateAsync(vm);
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}
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return vm;
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}
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/// <summary>
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/// 获取 Vmodel, 为空时抛异常
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/// </summary>
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public async Task<Vmodel> GetVmodelAsync(string id, bool loadNavigate = false)
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{
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Vmodel vm = await Db.Queryable<Vmodel>().FirstAsync(a => a.id == id && a.deleted == 0);
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ArgumentNullException.ThrowIfNull(vm, $"找不到vmid={id}的模型");
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if (loadNavigate)
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{
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await LoadVmodelNavigateAsync(vm);
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}
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return vm;
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}
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/// <summary>
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/// 获取 Vmodel, 为空时不抛异常
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/// </summary>
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public async Task<Vmodel?> TryGetVmodelAsync(string area, string vmCode, bool loadNavigate = false)
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{
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Vmodel vm = await Db.Queryable<Vmodel>().FirstAsync(a => a.area == area && a.vmCode == vmCode && a.deleted == 0);
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if (vm != null && loadNavigate)
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{
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await LoadVmodelNavigateAsync(vm);
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}
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return vm;
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}
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/// <summary>
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/// 获取 Vmodel, 为空时抛异常
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/// </summary>
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public async Task<Vmodel> GetVmodelAsync(string area, string vmCode, bool loadNavigate = false)
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{
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Vmodel vm = await Db.Queryable<Vmodel>().FirstAsync(a => a.area == area && a.vmCode == vmCode && a.deleted == 0);
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ArgumentNullException.ThrowIfNull(vm, $"找不到area={area}, vmCode={vmCode}的模型");
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if (loadNavigate)
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{
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await LoadVmodelNavigateAsync(vm);
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}
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return vm;
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}
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///// <summary>
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///// 获取 Vmodel
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///// </summary>
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//public async Task<Vmodel?> GetVmodelAsync(string tableName, string? dbCode)
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//{
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// Vmodel vm = await _db.Queryable<Vmodel>().FirstAsync(a => a.tableName == tableName && a.dbCode == dbCode && a.deleted == 0);
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// return vm;
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//}
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/// <summary>
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/// 加载模型的导航属性
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/// </summary>
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/// <param name="vm"></param>
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/// <returns></returns>
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private async Task LoadVmodelNavigateAsync(Vmodel vm)
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{
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Dictionary<string, Vmodel> dictVm = new();
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foreach (var navProp in vm.navProps)
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{
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if (!dictVm.ContainsKey(navProp.vmid))
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{
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var navModel = await GetVmodelAsync(navProp.vmid);
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dictVm.Add(navProp.vmid, navModel);
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}
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navProp.naviModel = dictVm[navProp.vmid];
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}
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}
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/// <summary>
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/// 查询数据 默认方法
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/// </summary>
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public async Task<VmPagedOutput> QueryDataAsync(Vmodel vm, VmQueryInput input)
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{
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ISqlSugarClient db = GetSqlSugar(vm.dbCode);
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var query = db.Queryable<object>().AS(vm.tableName, VmSelectProp.MAIN_ALIES);
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var selProps = vm.GetVmSelectProps(input.o);
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//处理导航属性联表
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List<JoinInfoParameter> joins = vm.GetJoinInfos(selProps);
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query.AddJoinInfo(joins);
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List<IConditionalModel> wheres = vm.GetConditionalModels(input.q);
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if (!string.IsNullOrEmpty(input.k))
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{
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var lsCondition = new List<KeyValuePair<WhereType, ConditionalModel>>();
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var wType = WhereType.And;
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foreach (var prop in vm.dbProps.Where(a => a.fuzzy))
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{
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lsCondition.Add(new(wType, new ConditionalModel() { FieldName = prop.field, ConditionalType = ConditionalType.Like, FieldValue = input.k }));
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wType = WhereType.Or;
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}
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wheres.Add(new ConditionalCollections() { ConditionalList = lsCondition });
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}
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//处理查询参数
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query.Where(wheres);
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if (!string.IsNullOrEmpty(input.sort))
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{
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query.OrderBy(input.sort);
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}
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//处理输出字段
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List<SelectModel> selects = vm.GetSelectModels(selProps);
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query.Select(selects);
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//查询数据
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VmPagedOutput result = new();
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List<Dictionary<string, object>> ls = new();
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int skip = input.pnum > 0 ? (input.pnum - 1) * input.psize : 0;
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int take = input.psize == 0 ? MAX_PAGE_SIZE : input.psize;
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if (input.pnum > 0) { result.total = await query.CountAsync(); }
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ls = await query.Skip(skip).Take(take).ToDictionaryListAsync();
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//组装输出对象
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foreach (var data in ls)
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{
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DObject ret = await NestedOutputAsync(vm, data, selProps);
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result.items.Add(ret);
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}
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return result;
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}
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/// <summary>
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/// 组装子模型对象
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/// </summary>
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/// <param name="vm"></param>
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/// <param name="src"></param>
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/// <param name="selProps"></param>
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/// <returns></returns>
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private async Task<DObject> NestedOutputAsync(Vmodel vm, Dictionary<string, object> src, List<VmSelectProp> selProps)
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{
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DObject ret = new();
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foreach (var prop in selProps)
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{
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if (prop.navType == eNavigateType.None || prop.navCode == VmSelectProp.MAIN_ALIES)
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{
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if (src.ContainsKey(prop.code))
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{
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ret.Add(prop.code, src[prop.code]);
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}
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}
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else
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{
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if (prop.navType == eNavigateType.OneToOne)
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{
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var key = prop.navCode + "_" + prop.code;
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ret.Add(key, src[key]);
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//if (!ret.ContainsKey(prop.navCode))
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//{
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// ret.Add(prop.navCode, new DObject());
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//}
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//var key = prop.navCode + "_" + prop.code;
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//if (src.ContainsKey(key))
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//{
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// ((DObject)ret[prop.navCode]).Add(prop.code, src[key]);
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//}
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}
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else if (prop.navType == eNavigateType.OneToMany)
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{
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if (!ret.ContainsKey(prop.navCode))
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{
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ret.Add(prop.navCode, new List<DObject>());
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}
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var navProp = vm.navProps.First(a => a.code == prop.navCode);
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if (navProp != null && navProp.naviModel != null && src.ContainsKey(navProp.refField))
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{
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VmQueryInput input = new VmQueryInput();
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input.q = new DObject(navProp.refField, src[navProp.refField]);
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input.o = string.Join(',', selProps.Where(a => a.navCode == prop.navCode).Select(a => a.code));
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ret[prop.navCode] = (await QueryDataAsync(navProp.naviModel, input)).items;
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}
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}
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else if (prop.navType == eNavigateType.ManyToMany)
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{
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if (!ret.ContainsKey(prop.navCode))
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{
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ret.Add(prop.navCode, new List<DObject>());
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}
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}
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}
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}
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return ret;
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}
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/// <summary>
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/// 新增数据 默认方法
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/// </summary>
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public async Task<dynamic> CreateDataAsync(Vmodel vm, VmCreateInput input)
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{
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ISqlSugarClient db = GetSqlSugar(vm.dbCode);
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int num = 0;
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if (input.data != null)
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{
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var model = vm.PropToField(input.data);
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num = await db.Insertable(model).AS(vm.tableName).ExecuteCommandAsync();
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return input.data;
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}
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else if (input.items != null)
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{
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List<DObject> lst = new List<DObject>();
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foreach (var item in input.items)
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{
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lst.Add(vm.PropToField(item));
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}
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num = await db.Insertable(lst).AS(vm.tableName).ExecuteCommandAsync();
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return input.items;
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}
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else
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{
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input.data = vm.GetDefaultDObject();
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var model = vm.PropToField(input.data);
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num = await db.Insertable(model).AS(vm.tableName).ExecuteCommandAsync();
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return input.data;
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}
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}
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/// <summary>
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/// 更新数据 默认方法
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/// </summary>
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public async Task<dynamic> UpdateDataAsync(Vmodel vm, VmUpdateInput input)
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{
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ISqlSugarClient db = GetSqlSugar(vm.dbCode);
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var pk = vm.GetPrimary();
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int num = 0;
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if (input.data != null)
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{
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var model = vm.PropToField(input.data);
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if (!model.ContainsKey(pk.field))
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{
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throw new Exception($"更新数据时主键({pk.code})不可为空");
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}
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//if (!model.ContainsKey(pk.field) && input.id != null)
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//{
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// model.Add(pk.field, input.id);
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//}
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num = await db.Updateable(model).AS(vm.tableName).WhereColumns(pk.field).ExecuteCommandAsync();
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}
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else if (input.items != null)
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{
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List<DObject> lst = new();
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foreach (var item in input.items)
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{
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var model = vm.PropToField(item);
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if (model.ContainsKey(pk.field))
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{
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lst.Add(model);
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}
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}
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num = await db.Updateable(lst).AS(vm.tableName).WhereColumns(pk.field).ExecuteCommandAsync();
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}
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return num;
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}
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/// <summary>
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/// 删除数据 默认方法
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/// </summary>
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public async Task<int> DeleteDataAsync(Vmodel vm, VmDeleteInput input)
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{
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ISqlSugarClient db = GetSqlSugar(vm.dbCode);
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var pk = vm.GetPrimary();
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int num = 0;
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List<Dictionary<string, object>> ids = new();
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if (input.id != null)
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{
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ids.Add(new DObject(pk.field, input.id));
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}
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else if (input.ids != null)
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{
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ids.AddRange(input.ids.Select(a => new DObject(pk.field, a)));
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}
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if (ids.Count > 0)
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{
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num = await db.Deleteable<object>().AS(vm.tableName).WhereColumns(ids).ExecuteCommandAsync();
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}
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return num;
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}
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}
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