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Added ASP.NET Identity Multitenancy code
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4 files changed

+280
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‎AspNetIdentityMultitenancy/ApplicationUser.cs

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namespace QuickAndEasyAspNetIdentityMultitenanc.Identity
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{
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using System;
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using Microsoft.AspNet.Identity.EntityFramework;
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public class ApplicationUser : ApplicationUser<string, IdentityUserLogin, IdentityUserRole, IdentityUserClaim>
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{
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public ApplicationUser()
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{
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Id = Guid.NewGuid().ToString();
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}
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public ApplicationUser(string userName)
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: this()
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{
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UserName = userName;
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}
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}
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public class ApplicationUser<TKey, TLogin, TRole, TClaim> : IdentityUser<TKey, TLogin, TRole, TClaim>
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where TLogin : IdentityUserLogin<TKey>
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where TRole : IdentityUserRole<TKey>
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where TClaim : IdentityUserClaim<TKey>
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{
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public ApplicationUser()
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: base()
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{
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}
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public int TenantId { get; set; }
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}
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}

‎AspNetIdentityMultitenancy/ApplicationUserDbContext.cs

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namespace QuickAndEasyAspNetIdentityMultitenanc.Identity
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{
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using System;
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using System.Collections.Generic;
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using System.ComponentModel.DataAnnotations.Schema;
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using System.Data.Common;
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using System.Data.Entity;
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using System.Data.Entity.Infrastructure;
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using System.Data.Entity.Infrastructure.Annotations;
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using System.Data.Entity.Validation;
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using System.Linq;
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using Microsoft.AspNet.Identity.EntityFramework;
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public class ApplicationUserDbContext :
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ApplicationUserDbContext<ApplicationUser, IdentityRole, string, IdentityUserLogin, IdentityUserRole, IdentityUserClaim>
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{
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public ApplicationUserDbContext()
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: this("DefaultConnection")
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{
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}
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public ApplicationUserDbContext(string nameOrConnectionString)
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: base(nameOrConnectionString)
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{
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}
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public ApplicationUserDbContext(DbConnection existingConnection, DbCompiledModel model, bool contextOwnsConnection)
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: base(existingConnection, model, contextOwnsConnection)
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{
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}
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public ApplicationUserDbContext(DbCompiledModel model)
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: base(model)
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{
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}
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public ApplicationUserDbContext(DbConnection existingConnection, bool contextOwnsConnection)
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: base(existingConnection, contextOwnsConnection)
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{
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}
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public ApplicationUserDbContext(string nameOrConnectionString, DbCompiledModel model)
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: base(nameOrConnectionString, model)
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{
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}
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}
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public class ApplicationUserDbContext<TUser> :
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ApplicationUserDbContext<TUser, IdentityRole, string, IdentityUserLogin, IdentityUserRole, IdentityUserClaim>
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where TUser : ApplicationUser
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{
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public ApplicationUserDbContext()
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: this("DefaultConnection")
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{
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}
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public ApplicationUserDbContext(string nameOrConnectionString)
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: base(nameOrConnectionString)
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{
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}
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public ApplicationUserDbContext(DbConnection existingConnection, DbCompiledModel model, bool contextOwnsConnection)
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: base(existingConnection, model, contextOwnsConnection)
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{
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}
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public ApplicationUserDbContext(DbCompiledModel model)
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: base(model)
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{
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}
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public ApplicationUserDbContext(DbConnection existingConnection, bool contextOwnsConnection)
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: base(existingConnection, contextOwnsConnection)
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{
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}
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public ApplicationUserDbContext(string nameOrConnectionString, DbCompiledModel model)
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: base(nameOrConnectionString, model)
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{
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}
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}
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public class ApplicationUserDbContext<TUser, TRole, TKey, TUserLogin, TUserRole, TUserClaim> :
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IdentityDbContext<TUser, TRole, TKey, TUserLogin, TUserRole, TUserClaim>
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where TUser : ApplicationUser<TKey, TUserLogin, TUserRole, TUserClaim>
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where TRole : IdentityRole<TKey, TUserRole>
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where TUserLogin : IdentityUserLogin<TKey>
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where TUserRole : IdentityUserRole<TKey>
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where TUserClaim : IdentityUserClaim<TKey>
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{
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public ApplicationUserDbContext()
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: this("DefaultConnection")
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{
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}
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public ApplicationUserDbContext(string nameOrConnectionString)
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: base(nameOrConnectionString)
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{
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}
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public ApplicationUserDbContext(DbConnection existingConnection, DbCompiledModel model, bool contextOwnsConnection)
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: base(existingConnection, model, contextOwnsConnection)
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{
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}
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public ApplicationUserDbContext(DbCompiledModel model)
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: base(model)
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{
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}
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public ApplicationUserDbContext(DbConnection existingConnection, bool contextOwnsConnection)
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: base(existingConnection, contextOwnsConnection)
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{
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}
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public ApplicationUserDbContext(string nameOrConnectionString, DbCompiledModel model)
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: base(nameOrConnectionString, model)
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{
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}
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protected override void OnModelCreating(DbModelBuilder modelBuilder)
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{
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base.OnModelCreating(modelBuilder);
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var user = modelBuilder.Entity<TUser>();
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user.Property(u => u.UserName)
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.IsRequired()
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.HasMaxLength(256)
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.HasColumnAnnotation("Index", new IndexAnnotation(new IndexAttribute("UserNameIndex") { IsUnique = true, Order = 1}));
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user.Property(u => u.TenantId)
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.IsRequired()
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.HasColumnAnnotation("Index", new IndexAnnotation(new IndexAttribute("UserNameIndex") { IsUnique = true, Order = 2 }));
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}
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protected override DbEntityValidationResult ValidateEntity(DbEntityEntry entityEntry, IDictionary<object, object> items)
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{
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if (entityEntry != null && entityEntry.State == EntityState.Added)
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{
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var errors = new List<DbValidationError>();
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var user = entityEntry.Entity as TUser;
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if (user != null)
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{
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if (this.Users.Any(u => string.Equals(u.UserName, user.UserName) && u.TenantId == user.TenantId))
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{
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errors.Add(
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new DbValidationError("User", string.Format("Username {0} is already taken for AppId {1}", user.UserName, user.TenantId)));
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}
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if (this.RequireUniqueEmail && this.Users.Any(u => string.Equals(u.Email, user.Email) && u.TenantId == user.TenantId))
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{
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errors.Add(
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new DbValidationError(
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"User",
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string.Format("Email Address {0} is already taken for AppId {1}", user.UserName, user.TenantId)));
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}
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}
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else
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{
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var role = entityEntry.Entity as TRole;
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if (role != null && this.Roles.Any(r => string.Equals(r.Name, role.Name)))
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{
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errors.Add(new DbValidationError("Role", string.Format("Role {0} already exists", role.Name)));
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}
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}
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if (errors.Any())
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{
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return new DbEntityValidationResult(entityEntry, errors);
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}
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}
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return new DbEntityValidationResult(entityEntry, new List<DbValidationError>());
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}
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}
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}

‎AspNetIdentityMultitenancy/ApplicationUserStore.cs

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namespace QuickAndEasyAspNetIdentityMultitenanc.Identity
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{
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using System;
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using System.Data.Entity;
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using System.Threading.Tasks;
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using Microsoft.AspNet.Identity.EntityFramework;
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public class ApplicationUserStore<TUser> :
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ApplicationUserStore<TUser, IdentityRole, string, IdentityUserLogin, IdentityUserRole, IdentityUserClaim>
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where TUser : ApplicationUser
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{
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public ApplicationUserStore()
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: this(new IdentityDbContext())
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{
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DisposeContext = true;
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}
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public ApplicationUserStore(DbContext context)
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: base(context)
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{
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}
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}
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public class ApplicationUserStore<TUser, TRole, TKey, TUserLogin, TUserRole, TUserClaim> :
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UserStore<TUser, TRole, TKey, TUserLogin, TUserRole, TUserClaim>
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where TKey : IEquatable<TKey>
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where TUser : ApplicationUser<TKey, TUserLogin, TUserRole, TUserClaim>
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where TRole : IdentityRole<TKey, TUserRole>
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where TUserLogin : IdentityUserLogin<TKey>, new()
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where TUserRole : IdentityUserRole<TKey>, new()
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where TUserClaim : IdentityUserClaim<TKey>, new()
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{
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public ApplicationUserStore(DbContext context)
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: base(context)
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{
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}
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public int TenantId { get; set; }
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public override Task CreateAsync(TUser user)
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{
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if (user == null)
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{
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throw new ArgumentNullException("user");
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}
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user.TenantId = this.TenantId;
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return base.CreateAsync(user);
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}
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public override Task<TUser> FindByEmailAsync(string email)
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{
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return this.GetUserAggregateAsync(u => u.Email.ToUpper() == email.ToUpper() && u.TenantId == this.TenantId);
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}
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public override Task<TUser> FindByNameAsync(string userName)
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{
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return this.GetUserAggregateAsync(u => u.UserName.ToUpper() == userName.ToUpper() && u.TenantId == this.TenantId);
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}
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}
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}

‎README.md

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# Blog-Example-Classes
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Example code from my blog
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Full example code from my blog - [www.scottbrady91.com](https://www.scottbrady91.com)

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