diff options
author | vman <public@vaughnnugent.com> | 2022-11-16 14:07:28 -0500 |
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committer | vman <public@vaughnnugent.com> | 2022-11-16 14:07:28 -0500 |
commit | 3fb601d14354c867e1ead94b027c99c4a2fc15b5 (patch) | |
tree | 5bf01312166d97eff255d1fdcd26bf314cebcf76 /VNLib.Plugins.Extensions.Data/ProtectedDbStore.cs | |
parent | c3419e3e43f773ba9ee1e4854e15da873829fbd7 (diff) |
Add project files.
Diffstat (limited to 'VNLib.Plugins.Extensions.Data/ProtectedDbStore.cs')
-rw-r--r-- | VNLib.Plugins.Extensions.Data/ProtectedDbStore.cs | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/VNLib.Plugins.Extensions.Data/ProtectedDbStore.cs b/VNLib.Plugins.Extensions.Data/ProtectedDbStore.cs new file mode 100644 index 0000000..00f0bf2 --- /dev/null +++ b/VNLib.Plugins.Extensions.Data/ProtectedDbStore.cs @@ -0,0 +1,46 @@ +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); + } + } +} |