feat:Initial commit

StoreService/Repositories/IGenericRepository.cs

@@ -0,0 +1,36 @@
+using System.Linq.Expressions;
+
+namespace StoreService.Repositories;
+
+/// <summary>
+/// Generic repository abstraction for simple CRUD & query operations.
+/// </summary>
+/// <typeparam name="TEntity">Entity type.</typeparam>
+public interface IGenericRepository<TEntity> where TEntity : class
+{
+    #region Query
+    IQueryable<TEntity> Get(
+        Expression<Func<TEntity, bool>>? filter = null,
+        Func<IQueryable<TEntity>, IOrderedQueryable<TEntity>>? orderBy = null,
+        params Expression<Func<TEntity, object>>[] includes);
+
+    Task<TEntity?> FirstOrDefaultAsync(Expression<Func<TEntity, bool>> predicate,
+        params Expression<Func<TEntity, object>>[] includes);
+
+    TEntity? GetById(object id);
+    Task<TEntity?> GetByIdAsync(object id);
+    #endregion
+
+    #region Mutations
+    void Add(TEntity entity);
+    Task AddAsync(TEntity entity);
+    void AddRange(IEnumerable<TEntity> entities);
+
+    void Update(TEntity entity);
+
+    void Delete(object id);
+    void Delete(TEntity entity);
+    void DeleteRange(IEnumerable<TEntity> entities);
+    #endregion
+}
+