diff options
author | vnugent <public@vaughnnugent.com> | 2023-01-09 15:09:13 -0500 |
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committer | vnugent <public@vaughnnugent.com> | 2023-01-09 15:09:13 -0500 |
commit | a46c3bf452d287b50b2e7dd5a24f5995c9fd26f6 (patch) | |
tree | 3a978b2dd2887b5c0e25f595516594a647d8e880 /lib/VNLib.Plugins.Extensions.Data/src/ProtectedDbStore.cs | |
parent | 189c6714057bf45553847eaeb9ce97eb7272eb8c (diff) |
Restructure
Diffstat (limited to 'lib/VNLib.Plugins.Extensions.Data/src/ProtectedDbStore.cs')
-rw-r--r-- | lib/VNLib.Plugins.Extensions.Data/src/ProtectedDbStore.cs | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/lib/VNLib.Plugins.Extensions.Data/src/ProtectedDbStore.cs b/lib/VNLib.Plugins.Extensions.Data/src/ProtectedDbStore.cs new file mode 100644 index 0000000..654d52c --- /dev/null +++ b/lib/VNLib.Plugins.Extensions.Data/src/ProtectedDbStore.cs @@ -0,0 +1,70 @@ +/* +* Copyright (c) 2022 Vaughn Nugent +* +* Library: VNLib +* Package: VNLib.Plugins.Extensions.Data +* File: ProtectedDbStore.cs +* +* ProtectedDbStore.cs is part of VNLib.Plugins.Extensions.Data which is part of the larger +* VNLib collection of libraries and utilities. +* +* VNLib.Plugins.Extensions.Data is free software: you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published +* by the Free Software Foundation, either version 2 of the License, +* or (at your option) any later version. +* +* VNLib.Plugins.Extensions.Data is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +* General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with VNLib.Plugins.Extensions.Data. If not, see http://www.gnu.org/licenses/. +*/ + +using System; +using System.Linq; + +using VNLib.Plugins.Extensions.Data.Abstractions; + +namespace VNLib.Plugins.Extensions.Data +{ +#nullable enable + /// <summary> + /// A data store that provides unique identities and protections based on an entity that has an owner <see cref="IUserEntity"/> + /// </summary> + public abstract class ProtectedDbStore<TEntity> : DbStore<TEntity> where TEntity : class, IDbModel, IUserEntity + { + ///<inheritdoc/> + protected override IQueryable<TEntity> GetCollectionQueryBuilder(TransactionalDbContext context, params string[] constraints) + { + string userId = constraints[0]; + //Query items for the user and its id + return from item in context.Set<TEntity>() + where item.UserId == userId + orderby item.Created descending + select item; + } + + /// <summary> + /// Gets a single item contrained by a given user-id and item id + /// </summary> + /// <param name="context"></param> + /// <param name="constraints"></param> + /// <returns></returns> + protected override IQueryable<TEntity> GetSingleQueryBuilder(TransactionalDbContext context, params string[] constraints) + { + string key = constraints[0]; + string userId = constraints[1]; + //Query items for the user and its id + return from item in context.Set<TEntity>() + where item.Id == key && item.UserId == userId + select item; + } + ///<inheritdoc/> + protected override IQueryable<TEntity> GetSingleQueryBuilder(TransactionalDbContext context, TEntity record) + { + return this.GetSingleQueryBuilder(context, record.Id, record.UserId); + } + } +} |