QOL updates for profile meta

implement filterable meta for issue #158
update translations and use humanizer lib with datetime/timespan for issue #80

SharedLibraryCore/Interfaces/IMetaService.cs

@@ -0,0 +1,51 @@
+using SharedLibraryCore.Database.Models;
+using SharedLibraryCore.Dtos;
+using SharedLibraryCore.QueryHelper;
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+namespace SharedLibraryCore.Interfaces
+{
+    public interface IMetaService
+    {
+        /// <summary>
+        /// adds or updates meta key and value to the database
+        /// </summary>
+        /// <param name="metaKey">key of meta data</param>
+        /// <param name="metaValue">value of the meta data</param>
+        /// <param name="client">client to save the meta for</param>
+        /// <returns></returns>
+        Task AddPersistentMeta(string metaKey, string metaValue, EFClient client);
+
+        /// <summary>
+        /// retrieves meta data for given client and key
+        /// </summary>
+        /// <param name="metaKey">key to retrieve value for</param>
+        /// <param name="client">client to retrieve meta for</param>
+        /// <returns></returns>
+        Task<EFMeta> GetPersistentMeta(string metaKey, EFClient client);
+
+        /// <summary>
+        /// adds a meta task to the runtime meta list
+        /// </summary>
+        /// <param name="metaKey">type of meta</param>
+        /// <param name="metaAction">action to perform</param>
+        void AddRuntimeMeta<T,V>(MetaType metaKey, Func<T, Task<IEnumerable<V>>> metaAction) where V : IClientMeta where T: PaginationRequest;
+
+        /// <summary>
+        /// retrieves all the runtime meta information for given client idea
+        /// </summary>
+        /// <param name="request">request information</param>
+        /// <returns></returns>
+        Task<IEnumerable<IClientMeta>> GetRuntimeMeta(ClientPaginationRequest request);
+
+        /// <summary>
+        /// retreives all the runtime of provided type 
+        /// </summary>
+        /// <param name="request">>request information</param>
+        /// <param name="metaType">type of meta to retreive</param>
+        /// <returns></returns>
+        Task<IEnumerable<T>> GetRuntimeMeta<T>(ClientPaginationRequest request, MetaType metaType) where T : IClientMeta;
+    }
+}