452 lines
15 KiB
C#
452 lines
15 KiB
C#
using System.Collections.Concurrent;
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using JNPF;
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using JNPF.Common.Core.Manager;
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using JNPF.Common.Extension;
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using JNPF.DependencyInjection;
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using SqlSugar;
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using Tnb.Core;
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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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private const int MAX_PAGE_SIZE = 1000;
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private static ISqlSugarClient? _db;
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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 (_db == null)
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{
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ConnectionStringsOptions conn = App.GetConfig<ConnectionStringsOptions>("ConnectionStrings", true);
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//var dbType = App.Configuration.GetConnectionString("DbType");
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//var dbConn = App.Configuration.GetConnectionString("DbConn");
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_db = SugarHelper.CreateSugarClient(conn.ConfigId, conn.DBType, conn.ConnectString);
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}
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return _db;
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}
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}
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private readonly IUserManager _user;
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/// <summary>
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/// 全局缓存
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/// </summary>
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private 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(IUserManager currentUser)
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{
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_user = currentUser;
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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 = GetVmodelLink(dbCode);
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ThrowIf.IsNull(dblink, $"没有此数据库{dbCode}连接信息");
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var sugar = SugarHelper.CreateSugarClient(dblink.dbCode, dblink.dbType, dblink.dbConnection);
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if (sugar.Ado.IsValidConnection())
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{
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DbCache[dbCode] = sugar;
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}
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else
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{
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sugar.Dispose();
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throw new Exception($"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 GetVmodelLink(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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ThrowIf.IsNull(vm, $"找不到id={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 areaCode, string vmCode, bool loadNavigate = false)
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{
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Vmodel vm = await Db.Queryable<Vmodel>().FirstAsync(a => a.areaCode == areaCode && 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 areaCode, string vmCode, bool loadNavigate = false)
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{
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Vmodel vm = await Db.Queryable<Vmodel>().FirstAsync(a => a.areaCode == areaCode && a.vmCode == vmCode && a.deleted == 0);
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ThrowIf.IsNull(vm, $"找不到areaCode={areaCode}, 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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var vmids = vm.navProps.Select(a => a.vmid).Distinct().ToList();
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var ls = await Db.Queryable<Vmodel>().Where(a => vmids.Contains(a.id)).ToListAsync();
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var navs = ls.ToDictionary(a => a.id);
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foreach (var navProp in vm.navProps)
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{
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navProp.naviModel = (Vmodel)navs.GetOrDefault(navProp.vmid);
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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, VmListInput 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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//if (joins.Count > 0)
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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, CSharpTypeName = prop.csType }));
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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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//if (wheres.Count > 0)
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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 CombineOutputAsync(vm, new DObject(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> CombineOutputAsync(Vmodel vm, DObject 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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// 加载主表字段
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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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// 加载关联表字段
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if (prop.navType == eNavigateType.OneToOne)
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{
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NestedOutput(vm, src, ret, prop);
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}
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else if (prop.navType == eNavigateType.OneToMany)
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{
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await NestedOneToManyAsync(vm, src, ret, prop, selProps);
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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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/// 将一对一的关联表字段嵌入到返回值中
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/// </summary>
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private void NestedOutput(Vmodel vm, DObject src, DObject ret, VmSelectProp prop)
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{
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// 以 nav_prop的形式返回
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var key = prop.navCode + "_" + prop.code;
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ret.Add(key, src[key]);
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// 以 nav.prop的形式返回
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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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private async Task NestedOneToManyAsync(Vmodel vm, DObject src, DObject ret, VmSelectProp prop, List<VmSelectProp> selProps)
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{
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// 在返回值中增加导航属性
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if (ret.ContainsKey(prop.navCode))
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{
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return;
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}
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ret.Add(prop.navCode, new List<DObject>());
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// 找到导航属性的配置
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var navCfg = vm.navProps.First(a => a.code == prop.navCode);
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if (navCfg != null && navCfg.naviModel != null && src.ContainsKey(navCfg.refField) && navCfg.refCode == VmSelectProp.MAIN_ALIES)
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{
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VmListInput input = new VmListInput();
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var fkProp = navCfg.naviModel.FieldCodeToPropCode(navCfg.fkField);
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if (!string.IsNullOrEmpty(fkProp))
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{
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input.q = new DObject(fkProp, src[navCfg.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(navCfg.naviModel, input)).items;
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}
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}
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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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ThrowIf.When(input.data == null && input.items == null, "新增数据时，data和items不可同时为空");
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//新增一条数据
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if (input.data != null)
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{
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var pkey = vm.GetPrimary();
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var model = vm.ToCreateEntity(input.data, _user);
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if (pkey.csType == "int" || pkey.csType == "long")
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{
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var id = await db.Insertable(model).AS(vm.tableName).ExecuteReturnBigIdentityAsync();
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if ((long)input.data[pkey.code] != id) input.data[pkey.code] = id;
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}
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else
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{
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await db.Insertable(model).AS(vm.tableName).ExecuteCommandAsync();
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}
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return input.data;
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}
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//批量新增数据
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else
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{
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var pkey = vm.GetPrimary();
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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.ToCreateEntity(item, _user));
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}
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if (pkey.csType == "int")
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{
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var ids = await db.Insertable(lst).AS(vm.tableName).ExecuteReturnPkListAsync<int>();
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for (int i = 0; i < input.items.Count; i++)
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{
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input.items[i][pkey.code] = ids[i];
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}
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}
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else if (pkey.csType == "long")
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{
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var ids = await db.Insertable(lst).AS(vm.tableName).ExecuteReturnPkListAsync<long>();
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for (int i = 0; i < input.items.Count; i++)
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{
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input.items[i][pkey.code] = ids[i];
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}
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}
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else
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{
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await db.Insertable(lst).AS(vm.tableName).ExecuteCommandAsync();
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}
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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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//修改一条数据
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if (input.data != null)
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{
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var model = vm.ToUpdateEntity(input.data, _user);
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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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//批量修改数据
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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.ToUpdateEntity(item, _user);
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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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} |