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210
Stores/Esiur.Stores.EntityCore/EsiurExtensions.cs
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210
Stores/Esiur.Stores.EntityCore/EsiurExtensions.cs
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/*
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Copyright (c) 2020 Ahmed Kh. Zamil
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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using Esiur.Core;
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using Esiur.Data;
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using Esiur.Misc;
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using Esiur.Proxy;
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using Esiur.Resource;
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using Esiur.Security.Permissions;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.EntityFrameworkCore.Infrastructure;
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using Microsoft.Extensions.DependencyInjection;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Reflection;
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using System.Text;
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namespace Esiur.Stores.EntityCore;
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public static class EsiurExtensions
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{
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//public static T CreateResource<T>(this DbContext dbContext, object properties = null) where T:class,IResource
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//{
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// return dbContext.GetInfrastructure().CreateResource<T>(properties);
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//}
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public static DbSet<object> SetByType(this DbContext context, Type t)
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{
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return (DbSet<object>)context.GetType().GetMethod("Set").MakeGenericMethod(t).Invoke(context, new object[0]);
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}
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public static T AddResource<T>(this DbSet<T> dbSet, T resource) where T : class, IResource
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=> AddResourceAsync(dbSet, resource).Wait();
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public static async AsyncReply<T> AddResourceAsync<T>(this DbSet<T> dbSet, T resource) where T : class, IResource
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{
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var options = dbSet.GetInfrastructure().GetService<IDbContextOptions>().FindExtension<EsiurExtensionOptions>();
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var store = options.Store;
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if (store == null)
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throw new Exception("Store not set, please call 'UseEsiur' on your DbContextOptionsBuilder.");
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if (!store.Initialized)
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throw new Exception("Store not initialized. Make sure the Warehouse is open");
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var manager = store.Instance.Managers.FirstOrDefault();// > 0 ? store.Instance.Managers.First() : null;
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//var db = dbSet.GetService<ICurrentDbContext>().Context;
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//var resource = dbSet.GetInfrastructure().CreateResource<T>(properties);
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//var resource = Warehouse.New<T>("", options.Store, null, null, null, properties);
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var resType = typeof(T);
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var proxyType = ResourceProxy.GetProxy(resType);
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IResource res;
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if (proxyType == resType)
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{
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res = resource;
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}
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else
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{
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res = Activator.CreateInstance(proxyType) as IResource;
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var ps = Map<string,object>.FromObject(resource);
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foreach (var p in ps)
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{
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var mi = resType.GetMember(p.Key, System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.Instance)
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.FirstOrDefault();
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if (mi != null)
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{
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if (mi is PropertyInfo)
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{
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var pi = mi as PropertyInfo;
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if (pi.CanWrite)
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{
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try
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{
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pi.SetValue(res, p.Value);
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}
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catch (Exception ex)
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{
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Global.Log(ex);
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}
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}
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}
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else if (mi is FieldInfo)
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{
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try
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{
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(mi as FieldInfo).SetValue(res, p.Value);
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}
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catch (Exception ex)
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{
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Global.Log(ex);
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}
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}
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}
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}
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}
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//await Warehouse.Put<T>("", null, null, null, null, properties);
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var entity = dbSet.Add((T)res);
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await entity.Context.SaveChangesAsync();
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var id = store.TypesByType[typeof(T)].PrimaryKey.GetValue(resource);
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await options.Warehouse.Put($"{store.Instance.Name}/{typeof(T).Name}/{id}", res, 0, manager);
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return (T)res;
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}
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//public static async AsyncReply<T> CreateResourceAsync<T>(this IServiceProvider serviceProvider, T properties = null) where T : class, IResource
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//{
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// var options = serviceProvider.GetService<IDbContextOptions>().FindExtension<EsiurExtensionOptions<T>>();
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// var resource = await Warehouse.New<T>("", options.Store, null, null, null, properties);
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// resource.Instance.Managers.AddRange(options.Store.Instance.Managers.ToArray());
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// return resource;
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//}
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//public static T CreateResource<T>(this IServiceProvider serviceProvider, object properties = null) where T : class, IResource
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// => CreateResourceAsync<T>(serviceProvider, properties).Wait();
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public static DbContextOptionsBuilder UseEsiur(this DbContextOptionsBuilder optionsBuilder,
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EntityStore store,
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Func<DbContext> getter = null
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//IServiceCollection services = null
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//string name = null,
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//IResource parent = null,
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//IPermissionsManager manager = null,
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//Func<DbContext> dbContextProvider = null
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)
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{
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var extension = optionsBuilder.Options.FindExtension<EsiurExtensionOptions>();
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if (extension == null)
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{
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if (store == null)
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return optionsBuilder;
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store.Options = optionsBuilder.Options;
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extension = new EsiurExtensionOptions(store);
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}
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((IDbContextOptionsBuilderInfrastructure)optionsBuilder).AddOrUpdateExtension(extension);
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return optionsBuilder;
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}
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//public static DbContextOptionsBuilder<TContext> UseEsiur<TContext>(
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// this DbContextOptionsBuilder<TContext> optionsBuilder,
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// //DbContext context,
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// string name = null,
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// IResource parent = null,
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// IPermissionsManager manager = null,
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// Func<DbContext> dbContextProvider = null)
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// where TContext : DbContext
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//{
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// var extension = optionsBuilder.Options.FindExtension<EsiurExtensionOptions>();
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// if (extension == null)
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// {
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// var store = Warehouse.New<EntityStore>(name, null, parent, manager, new { Options = optionsBuilder, DbContextProvider = dbContextProvider }).Wait();
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// extension = new EsiurExtensionOptions(store);
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// //store.Options = optionsBuilder;
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// //store.Options = extension;
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// //store.DbContext = context;
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// }
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// ((IDbContextOptionsBuilderInfrastructure)optionsBuilder).AddOrUpdateExtension(extension);
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// return optionsBuilder;
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//}
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}
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