chore: refactoring some code to introduce a common base class for all api classes

src/Shared/IBaseApi.cs

@@ -0,0 +1,41 @@
+using System.Threading.Tasks;
+
+namespace Novaloop.PaymoApi.Shared
+{
+    public interface IBaseApi<TReturnType, TCreatType>
+    {
+        string ResourceUri { get; set; }
+
+        /// <summary>
+        /// Receive all entities
+        /// </summary>
+        Task<TReturnType> GetAll();
+
+        /// <summary>
+        /// Retrieve an existing entity
+        /// </summary>
+        /// <param name="entityId">id of the entity</param>
+        /// <returns></returns>
+        Task<TReturnType> Get(int entityId);
+
+        /// <summary>
+        /// Create a new entity
+        /// </summary>
+        Task<TReturnType> Create( TCreatType entity);
+
+        /// <summary>
+        /// Delete an entity
+        /// </summary>
+        /// <param name="entityId">id of the entity</param>
+        /// <returns></returns>
+        Task Delete(int entityId);
+
+        /// <summary>
+        /// Update an entity
+        /// </summary>
+        /// <param name="entity">entity information to update the entity with</param>
+        /// <param name="id">id of the entity to update</param>
+        /// <returns></returns>
+        Task Update( TCreatType entity, int id);
+    }
+}