cleanup Dependencies ...

Add Support for Get all As Async Enumerable ...

Base/XBaseDtoProvider.cs

@@ -2,6 +2,7 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Linq.Expressions;
+using System.Runtime.CompilerServices;
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.SignalR;
@@ -271,6 +272,44 @@ namespace xPushService.Base
             return result;
         }
 
+        /// <summary>
+        /// retrieve all exists Dtos
+        /// as Async Enumerable ...
+        /// </summary>
+        /// <param name="ignoreSoftDeleteds"></param>
+        /// <param name="orderBuilder"></param>
+        /// <param name="includeBuilder"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        public virtual async IAsyncEnumerable<TDto> GetAllAsAsyncEnumerable(
+            bool ignoreSoftDeleteds = true,
+            Func<IQueryable<TEntity>, IOrderedQueryable<TEntity>> orderBuilder = null,
+            Func<IQueryable<TEntity>, IIncludableQueryable<TEntity, object>> includeBuilder = null,
+            [EnumeratorCancellation] CancellationToken cancellationToken = default
+        )
+        {
+            //
+            var enumerable = Service.GetAllAsAsyncEnumerable(
+                orderBuilder: orderBuilder,
+                includeBuilder: includeBuilder,
+                cancellationToken: cancellationToken,
+                ignoreSoftDeleteds: ignoreSoftDeleteds
+            );
+
+            //
+            await foreach (var dto in enumerable)
+            {
+                //
+                if (cancellationToken.IsCancellationRequested)
+                {
+                    yield break;
+                }
+
+                //
+                yield return dto;
+            }
+        }
+
         /// <summary>
         /// find an Item by providing a Conditional Expression ...
         /// </summary>

Base/XBaseEntityProvider.cs

@@ -17,7 +17,7 @@ using xPushService.Interfaces;
 
 namespace xPushService.Base
 {
-    public abstract class XBaseEntityProvider<TEntity, TKey, THub> : IXBaseEntityProviderr<TEntity, TKey, THub>
+    public abstract class XBaseEntityProvider<TEntity, TKey, THub> : IXBaseEntityProvider<TEntity, TKey, THub>
     where TEntity : XBaseEntity<TKey>
     where THub : XBaseEntityHub<TEntity, TKey>
     {

Controllers/XBaseProvidedController.cs

@@ -0,0 +1,514 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore.Query;
+using Microsoft.Extensions.Logging;
+using xCommons.Configurations;
+using xCommons.Extensions;
+using xCommons.Providers;
+using xExceptions.Constants;
+using xIdentityService.Controllers;
+using xIdentityService.Interfaces;
+using xModels.Base;
+using xModels.Dtos;
+using xPushService.Base;
+using xPushService.Interfaces;
+
+namespace xPushService.Controllers
+{
+    [AllowAnonymous]
+    public abstract class XBaseProvidedController<TEntity, TDto, TKey, THub> : XBaseIdentityApiV1Controller, IXBaseProvidedController<TEntity, TDto, TKey, THub>
+    where TEntity : XBaseEntity<TKey>
+    where TDto : XBaseEntityDto<TKey>
+    where THub : XBaseDtoHub<TEntity, TDto, TKey>
+    {
+        private readonly IXBaseProvided<TEntity, TDto, TKey, THub> provider;
+        private readonly Func<IQueryable<TEntity>, IOrderedQueryable<TEntity>> defaultOrderBuilder;
+        private readonly Func<IQueryable<TEntity>, IIncludableQueryable<TEntity, object>> defaultIncludeBuilder;
+
+        protected XBaseProvidedController(
+            ILogger<XBaseProvidedController<TEntity, TDto, TKey, THub>> logger,
+            XAppConfiguration appConfiguration,
+            IXIdentityProvider identityProvider,
+            XValidationProvider validationProvider,
+            IXBaseProvided<TEntity, TDto, TKey, THub> provider,
+            Func<IQueryable<TEntity>, IOrderedQueryable<TEntity>> defaultOrderBuilder = null,
+            Func<IQueryable<TEntity>, IIncludableQueryable<TEntity, object>> defaultIncludeBuilder = null
+        ) : base(
+            logger,
+            appConfiguration,
+            identityProvider,
+            validationProvider
+        )
+        {
+            this.provider = provider;
+            this.defaultOrderBuilder = defaultOrderBuilder;
+            this.defaultIncludeBuilder = defaultIncludeBuilder;
+        }
+
+        //
+        #region Retrieve ...
+        /// <summary>
+        /// Get Specified Item by ID ...
+        /// </summary>
+        /// <param name="id"></param>
+        /// <param name="useDefaultIncludes"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        [HttpGet("{id}")]
+        public virtual async Task<ActionResult<TDto>> Get(
+            [FromRoute] TKey id,
+            [FromQuery] bool useDefaultIncludes = false,
+            CancellationToken cancellationToken = default
+        )
+        {
+            //
+            try
+            {
+                //
+                // Validate ...
+                if (!ModelState.IsValid)
+                {
+                    XException.InvalidArgs.Throw();
+                }
+                ValidationProvider.NotNull(id);
+
+                //
+                var result = await provider.Get(
+                    id: id,
+                    includeBuilder: !useDefaultIncludes
+                        ? null
+                        : defaultIncludeBuilder,
+                    cancellationToken: cancellationToken
+                );
+
+                //
+                return Ok(result.ToDynamicObject());
+            }
+            catch (Exception ex)
+            {
+                //
+                var result = GetExceptionActionResult(ex);
+                return result;
+            }
+        }
+
+        /// <summary>
+        /// Get All Exists Items ...
+        /// </summary>
+        /// <param name="useDefaultOrders"></param>
+        /// <param name="useDefaultIncludes"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        [HttpGet("")]
+        public virtual async Task<ActionResult<IEnumerable<TDto>>> GetAll(
+            [FromQuery] bool useDefaultOrders = false,
+            [FromQuery] bool useDefaultIncludes = false,
+            CancellationToken cancellationToken = default
+        )
+        {
+            //
+            try
+            {
+                //
+                // Validate ...
+                if (!ModelState.IsValid)
+                {
+                    XException.InvalidArgs.Throw();
+                }
+
+                //
+                var result = await provider.GetAll(
+                    orderBuilder: !useDefaultOrders
+                        ? null
+                        : defaultOrderBuilder,
+                    includeBuilder: !useDefaultIncludes
+                        ? null
+                        : defaultIncludeBuilder,
+                    cancellationToken: cancellationToken
+                );
+
+                //
+                return Ok(result.ToDynamicObject());
+            }
+            catch (Exception ex)
+            {
+                //
+                var result = GetExceptionActionResult(ex);
+                return result;
+            }
+        }
+
+        /// <summary>
+        /// Find an item by providing a Conditional Expression ...
+        /// </summary>
+        /// <param name="query"></param>
+        /// <param name="useDefaultIncludes"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        [HttpGet("Find/One")]
+        public virtual async Task<ActionResult<TDto>> FindOne(
+            [FromRoute] string query,
+            [FromQuery] bool useDefaultIncludes = false,
+            CancellationToken cancellationToken = default
+        )
+        {
+            //
+            try
+            {
+                //
+                // Validate ...
+                if (!ModelState.IsValid)
+                {
+                    XException.InvalidArgs.Throw();
+                }
+                await ValidationProvider
+                    .GroupValidationBuilder()
+                    .AddNotEmpty(query)
+                    .ValidateGroupAsync();
+
+                //
+                var result = await provider.FindOne(
+                    includeBuilder: !useDefaultIncludes
+                        ? null
+                        : defaultIncludeBuilder,
+                    cancellationToken: cancellationToken,
+                    predicate: x => x.PropValuesContains(query)
+                );
+
+                //
+                return Ok(result.ToDynamicObject());
+            }
+            catch (Exception ex)
+            {
+                //
+                var result = GetExceptionActionResult(ex);
+                return result;
+            }
+        }
+
+        /// <summary>
+        /// Find a collection of Items by proving a Query Search ...
+        /// </summary>
+        /// <param name="query"></param>
+        /// <param name="useDefaultOrders"></param>
+        /// <param name="useDefaultIncludes"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        [HttpGet("Find/Many")]
+        public virtual async Task<ActionResult<IEnumerable<TDto>>> FindMany(
+            [FromRoute] string query,
+            [FromQuery] bool useDefaultOrders = false,
+            [FromQuery] bool useDefaultIncludes = false,
+            CancellationToken cancellationToken = default
+        )
+        {
+            //
+            try
+            {
+                //
+                // Validate ...
+                if (!ModelState.IsValid)
+                {
+                    XException.InvalidArgs.Throw();
+                }
+                await ValidationProvider
+                    .GroupValidationBuilder()
+                    .AddNotEmpty(query)
+                    .ValidateGroupAsync();
+
+                //
+                var result = await provider.FindMany(
+                    orderBuilder: !useDefaultOrders
+                        ? null
+                        : defaultOrderBuilder,
+                    includeBuilder: !useDefaultIncludes
+                        ? null
+                        : defaultIncludeBuilder,
+                    cancellationToken: cancellationToken,
+                    predicate: x => x.PropValuesContains(query)
+                );
+
+                //
+                return Ok(result.ToDynamicObject());
+            }
+            catch (Exception ex)
+            {
+                //
+                var result = GetExceptionActionResult(ex);
+                return result;
+            }
+        }
+
+        /// <summary>
+        /// Retrieve Items based on XQuery Pagination structure ...
+        /// </summary>
+        /// <param name="query"></param>
+        /// <param name="useDefaultOrders"></param>
+        /// <param name="useDefaultIncludes"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        [HttpGet("Query")]
+        public virtual async Task<ActionResult<XQueryResult<TDto>>> Query(
+            [FromQuery] XQuery query,
+            [FromQuery] bool useDefaultOrders = false,
+            [FromQuery] bool useDefaultIncludes = false,
+            CancellationToken cancellationToken = default
+        )
+        {
+            //
+            try
+            {
+                //
+                // Validate ...
+                if (!ModelState.IsValid)
+                {
+                    XException.InvalidArgs.Throw();
+                }
+                await ValidationProvider
+                    .GroupValidationBuilder()
+                    .AddNotNull(query)
+                    .ValidateGroupAsync();
+
+                //
+                var result = await provider.Query(
+                    query: query,
+                    predicate: null,
+                    orderBuilder: !useDefaultOrders
+                        ? null
+                        : defaultOrderBuilder,
+                    includeBuilder: !useDefaultIncludes
+                        ? null
+                        : defaultIncludeBuilder,
+                    cancellationToken: cancellationToken
+                );
+
+                //
+                return Ok(result.ToDynamicObject());
+            }
+            catch (Exception ex)
+            {
+                //
+                var result = GetExceptionActionResult(ex);
+                return result;
+            }
+        }
+
+        /// <summary>
+        /// Retrieve Owned Items based on XQuery Pagination structure ...
+        /// </summary>
+        /// <param name="query"></param>
+        /// <param name="useDefaultOrders"></param>
+        /// <param name="useDefaultIncludes"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        [HttpGet("Query/Owned")]
+        public virtual async Task<ActionResult<XQueryResult<TDto>>> QueryOwned(
+            [FromQuery] XQuery query,
+            [FromQuery] bool useDefaultOrders = false,
+            [FromQuery] bool useDefaultIncludes = false,
+            CancellationToken cancellationToken = default
+        )
+        {
+            //
+            try
+            {
+                //
+                // Validate ...
+                if (!ModelState.IsValid)
+                {
+                    XException.InvalidArgs.Throw();
+                }
+                await ValidationProvider
+                    .GroupValidationBuilder()
+                    .AddNotNull(query)
+                    .ValidateGroupAsync();
+
+                //
+                var userInfo = await GetUserInfo();
+
+                //
+                var result = await provider.QueryOwned(
+                    query: query,
+                    predicate: null,
+                    userInfo: userInfo,
+                    orderBuilder: !useDefaultOrders
+                        ? null
+                        : defaultOrderBuilder,
+                    includeBuilder: !useDefaultIncludes
+                        ? null
+                        : defaultIncludeBuilder,
+                    cancellationToken: cancellationToken
+                );
+
+                //
+                return Ok(result.ToDynamicObject());
+            }
+            catch (Exception ex)
+            {
+                //
+                var result = GetExceptionActionResult(ex);
+                return result;
+            }
+        }
+        #endregion
+
+        //
+        #region Add/Update/Remove ...
+        /// <summary>
+        /// Add an item ...
+        /// </summary>
+        /// <param name="item"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        [HttpPost("")]
+        public virtual async Task<ActionResult<TDto>> Add(
+            [FromBody] TDto item,
+            CancellationToken cancellationToken = default
+        )
+        {
+            //
+            try
+            {
+                //
+                // Validate ...
+                if (!ModelState.IsValid)
+                {
+                    XException.InvalidArgs.Throw();
+                }
+                await ValidationProvider
+                    .GroupValidationBuilder()
+                    .AddNotNull(item)
+                    .ValidateGroupAsync();
+
+                //
+                var userInfo = await GetUserInfo();
+                var connectionId = GetConnectionId();
+
+                //
+                var result = await provider.Add(
+                    item: item,
+                    userInfo: userInfo,
+                    connectionId: connectionId,
+                    cancellationToken: cancellationToken
+                );
+
+                //
+                return Ok(result.ToDynamicObject());
+            }
+            catch (Exception ex)
+            {
+                //
+                var result = GetExceptionActionResult(ex);
+                return result;
+            }
+        }
+
+        /// <summary>
+        /// Update an item values ...
+        /// </summary>
+        /// <param name="id"></param>
+        /// <param name="item"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        [HttpPut("{id}")]
+        public virtual async Task<ActionResult<TDto>> Update(
+            [FromRoute] TKey id,
+            [FromBody] TDto item,
+            CancellationToken cancellationToken = default
+        )
+        {
+            //
+            try
+            {
+                //
+                // Validate ...
+                if (!ModelState.IsValid)
+                {
+                    XException.InvalidArgs.Throw();
+                }
+                await ValidationProvider
+                    .GroupValidationBuilder()
+                    .AddNotNull(id)
+                    .AddNotNull(item)
+                    .ValidateGroupAsync();
+
+                //
+                var userInfo = await GetUserInfo();
+                var connectionId = GetConnectionId();
+
+                //
+                var result = await provider.Update(
+                    id: id,
+                    item: item,
+                    userInfo: userInfo,
+                    connectionId: connectionId,
+                    cancellationToken: cancellationToken
+                );
+
+                //
+                return Ok(result.ToDynamicObject());
+            }
+            catch (Exception ex)
+            {
+                //
+                var result = GetExceptionActionResult(ex);
+                return result;
+            }
+        }
+
+        /// <summary>
+        /// Remove an Item ...
+        /// </summary>
+        /// <param name="id"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        [HttpDelete("{id}")]
+        public virtual async Task<ActionResult<TDto>> Remove(
+            [FromRoute] TKey id,
+            CancellationToken cancellationToken = default
+        )
+        {
+            //
+            try
+            {
+                //
+                // Validate ...
+                if (!ModelState.IsValid)
+                {
+                    XException.InvalidArgs.Throw();
+                }
+                await ValidationProvider
+                    .GroupValidationBuilder()
+                    .AddNotNull(id)
+                    .ValidateGroupAsync();
+
+                //
+                var userInfo = await GetUserInfo();
+                var connectionId = GetConnectionId();
+
+                //
+                var result = await provider.Remove(
+                    id: id,
+                    userInfo: userInfo,
+                    connectionId: connectionId,
+                    cancellationToken: cancellationToken
+                );
+
+                //
+                return Ok(result.ToDynamicObject());
+            }
+            catch (Exception ex)
+            {
+                //
+                var result = GetExceptionActionResult(ex);
+                return result;
+            }
+        }
+        #endregion
+    }
+}

Controllers/XBaseRepositoryProviderController.cs

@@ -4,6 +4,7 @@ using System.Linq;
 using System.Linq.Expressions;
 using System.Threading;
 using System.Threading.Tasks;
+using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore.Query;
 using Microsoft.Extensions.Logging;
@@ -21,13 +22,14 @@ using xPushService.Interfaces;
 
 namespace xPushService.Controllers
 {
+    [AllowAnonymous]
     public abstract class XBaseRepositoryProviderController<TEntity, TKey, THub> : XBaseIdentityApiV1Controller, IXBaseRepositoryProviderController<TEntity, TKey, THub>
     where TEntity : XBaseEntity<TKey>
     where THub : XBaseEntityHub<TEntity, TKey>
     {
         //
         #region Properties ...
-        public IXBaseEntityProviderr<TEntity, TKey, THub> Provider { get; }
+        public IXBaseEntityProvider<TEntity, TKey, THub> Provider { get; }
         public Func<IQueryable<TEntity>, IOrderedQueryable<TEntity>> DefaultOrderBuilder { get; }
         public Func<IQueryable<TEntity>, IIncludableQueryable<TEntity, object>> DefaultIncludeBuilder { get; }
         #endregion
@@ -37,9 +39,9 @@ namespace xPushService.Controllers
             XAppConfiguration appConfiguration,
             IXIdentityProvider identityProvider,
             XValidationProvider validationProvider,
-            IXBaseEntityProviderr<TEntity, TKey, THub> provider,
-            Func<IQueryable<TEntity>, IOrderedQueryable<TEntity>> defaultOrderBuilder,
-            Func<IQueryable<TEntity>, IIncludableQueryable<TEntity, object>> defaultIncludeBuilder
+            IXBaseEntityProvider<TEntity, TKey, THub> provider,
+            Func<IQueryable<TEntity>, IOrderedQueryable<TEntity>> defaultOrderBuilder = null,
+            Func<IQueryable<TEntity>, IIncludableQueryable<TEntity, object>> defaultIncludeBuilder = null
         ) : base(
             logger: logger,
             appConfiguration: appConfiguration,
@@ -427,7 +429,7 @@ namespace xPushService.Controllers
         }
 
         /// <summary>
-        /// find a collection of Items by proving a Conditional Expression ...
+        /// find a collection of Items by proving a Query Search ...
         /// </summary>
         /// <param name="query"></param>
         /// <param name="ignoreSoftDeleteds"></param>
@@ -480,7 +482,7 @@ namespace xPushService.Controllers
         }
 
         /// <summary>
-        /// retrieve Items based on XQuery Pagination structure ...
+        /// Retrieve Items based on XQuery Pagination structure ...
         /// </summary>
         /// <param name="query"></param>
         /// <param name="ignoreSoftDeleteds"></param>

Controllers/XBaseServiceProviderController.cs

@@ -4,6 +4,7 @@ using System.Linq;
 using System.Linq.Expressions;
 using System.Threading;
 using System.Threading.Tasks;
+using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore.Query;
 using Microsoft.Extensions.Logging;
@@ -21,6 +22,7 @@ using xPushService.Interfaces;
 
 namespace xPushService.Controllers
 {
+    [AllowAnonymous]
     public abstract class XBaseServiceProviderController<TEntity, TDto, TKey, THub> : XBaseIdentityApiV1Controller, IXBaseServiceProviderController<TEntity, TDto, TKey, THub>
     where TEntity : XBaseEntity<TKey>
     where TDto : XBaseEntityDto<TKey>
@@ -41,8 +43,8 @@ namespace xPushService.Controllers
             IXIdentityProvider identityProvider,
             XValidationProvider validationProvider,
             IXBaseDtoProvider<TEntity, TDto, TKey, THub> provider,
-            Func<IQueryable<TEntity>, IOrderedQueryable<TEntity>> defaultOrderBuilder,
-            Func<IQueryable<TEntity>, IIncludableQueryable<TEntity, object>> defaultIncludeBuilder
+            Func<IQueryable<TEntity>, IOrderedQueryable<TEntity>> defaultOrderBuilder = null,
+            Func<IQueryable<TEntity>, IIncludableQueryable<TEntity, object>> defaultIncludeBuilder = null
         ) : base(
             logger,
             appConfiguration,

DI/XDIHelperExtension.cs

@@ -14,7 +14,6 @@ using xExceptions.Constants;
 using xPushService.Configurations;
 using xPushService.Constants;
 using xPushService.Helpers;
-using xPushService.Interfaces;
 using xPushService.Providers;
 
 namespace xPushService.DI
@@ -62,6 +61,7 @@ namespace xPushService.DI
         /// </summary>
         /// <param name="services"></param>
         /// <param name="config"></param>
+        /// <param name="lifeTime"></param>
         public static void AddXPushService(
             this IServiceCollection services,
             IConfiguration config,
@@ -81,6 +81,7 @@ namespace xPushService.DI
         /// </summary>
         /// <param name="services"></param>
         /// <param name="config"></param>
+        /// <param name="lifeTime"></param>
         public static void AddXPushService(
             this IServiceCollection services,
             XPushServiceConfiguration config,

Helpers/XPushServiceHelper.cs

@@ -10,14 +10,13 @@ namespace xPushService.Helpers {
         /// <summary>
         /// a collection of Hubs for Registring ...
         /// </summary>
-        /// <typeparam name="XHubDescriptor"></typeparam>
         /// <returns></returns>
         private List<XHubDescriptor> hubs = new List<XHubDescriptor> ();
 
         /// <summary>
         /// add specified hub to provided hubs for registration ...
         /// </summary>
-        /// <param name="reoute"></param>
+        /// <param name="route"></param>
         /// <typeparam name="TXHub"></typeparam>
         public void AddHub<TXHub> (string route) where TXHub : XBaseHub {
             //

Interfaces/IXBaseDtoProvider.cs

@@ -133,6 +133,22 @@ namespace xPushService.Interfaces
             CancellationToken cancellationToken = default
         );
 
+        /// <summary>
+        /// retrieve all exists Dtos
+        /// as Async Enumerable ...
+        /// </summary>
+        /// <param name="ignoreSoftDeleteds"></param>
+        /// <param name="orderBuilder"></param>
+        /// <param name="includeBuilder"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        IAsyncEnumerable<TDto> GetAllAsAsyncEnumerable(
+            bool ignoreSoftDeleteds = true,
+            Func<IQueryable<TEntity>, IOrderedQueryable<TEntity>> orderBuilder = null,
+            Func<IQueryable<TEntity>, IIncludableQueryable<TEntity, object>> includeBuilder = null,
+            CancellationToken cancellationToken = default
+        );
+
         /// <summary>
         /// find an Item by providing a Conditional Expression ...
         /// </summary>

Interfaces/IXBaseEntityProvider.cs

@@ -21,7 +21,7 @@ namespace xPushService.Interfaces
     /// </summary>
     /// <typeparam name="TEntity"></typeparam>
     /// <typeparam name="TKey"></typeparam>
-    public interface IXBaseEntityProviderr<TEntity, TKey, THub>
+    public interface IXBaseEntityProvider<TEntity, TKey, THub>
     where TEntity : XBaseEntity<TKey>
     where THub : XBaseEntityHub<TEntity, TKey>
     {

Interfaces/IXBaseProvided.cs

@@ -0,0 +1,185 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Threading;
+using System.Threading.Tasks;
+using Microsoft.EntityFrameworkCore.Query;
+using xIdentityModels.Models;
+using xModels.Base;
+using xModels.Dtos;
+using xPushService.Base;
+
+namespace xPushService.Interfaces
+{
+    /// <summary>
+    /// a Provided Service Used for Providing Data Based on Validations of Users ...
+    /// </summary>
+    /// <typeparam name="TEntity"></typeparam>
+    /// <typeparam name="TDto"></typeparam>
+    /// <typeparam name="TKey"></typeparam>
+    /// <typeparam name="THub"></typeparam>
+    public interface IXBaseProvided<TEntity, TDto, TKey, THub>
+    where TEntity : XBaseEntity<TKey>
+    where TDto : XBaseEntityDto<TKey>
+    where THub : XBaseDtoHub<TEntity, TDto, TKey>
+    {
+        /// <summary>
+        /// Get Specified Item by ID ...
+        /// </summary>
+        /// <param name="id"></param>
+        /// <param name="includeBuilder"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        Task<TDto> Get(
+            TKey id,
+            Func<IQueryable<TEntity>, IIncludableQueryable<TEntity, object>> includeBuilder = null,
+            CancellationToken cancellationToken = default
+        );
+
+        /// <summary>
+        /// Get All Exists Items ...
+        /// </summary>
+        /// <param name="orderBuilder"></param>
+        /// <param name="includeBuilder"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        Task<IEnumerable<TDto>> GetAll(
+            Func<IQueryable<TEntity>, IOrderedQueryable<TEntity>> orderBuilder = null,
+            Func<IQueryable<TEntity>, IIncludableQueryable<TEntity, object>> includeBuilder = null,
+            CancellationToken cancellationToken = default
+        );
+
+        /// <summary>
+        /// Find an item by providing a Conditional Expression ...
+        /// </summary>
+        /// <param name="predicate"></param>
+        /// <param name="includeBuilder"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        Task<TDto> FindOne(
+            Expression<Func<TEntity, bool>> predicate,
+            Func<IQueryable<TEntity>, IIncludableQueryable<TEntity, object>> includeBuilder = null,
+            CancellationToken cancellationToken = default
+        );
+
+        /// <summary>
+        /// Find a collection of Items by proving a Conditional Expression ...
+        /// </summary>
+        /// <param name="predicate"></param>
+        /// <param name="orderBuilder"></param>
+        /// <param name="includeBuilder"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        Task<IEnumerable<TDto>> FindMany(
+            Expression<Func<TEntity, bool>> predicate,
+            Func<IQueryable<TEntity>, IOrderedQueryable<TEntity>> orderBuilder = null,
+            Func<IQueryable<TEntity>, IIncludableQueryable<TEntity, object>> includeBuilder = null,
+            CancellationToken cancellationToken = default
+        );
+
+        /// <summary>
+        /// Retrieve Items based on XQuery Pagination structure ...
+        /// </summary>
+        /// <param name="query"></param>
+        /// <param name="predicate"></param>
+        /// <param name="orderBuilder"></param>
+        /// <param name="includeBuilder"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        Task<XQueryResult<TDto>> Query(
+            XQuery query,
+            Expression<Func<TEntity, bool>> predicate = null,
+            Func<IQueryable<TEntity>, IOrderedQueryable<TEntity>> orderBuilder = null,
+            Func<IQueryable<TEntity>, IIncludableQueryable<TEntity, object>> includeBuilder = null,
+            CancellationToken cancellationToken = default
+        );
+
+        /// <summary>
+        /// Retrieve Owned Items based on XQuery Pagination structure ...
+        /// if supported ...
+        /// </summary>
+        /// <param name="query"></param>
+        /// <param name="userInfo"></param>
+        /// <param name="predicate"></param>
+        /// <param name="orderBuilder"></param>
+        /// <param name="includeBuilder"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        Task<XQueryResult<TDto>> QueryOwned(
+            XQuery query,
+            XUserClaimsInfoDto userInfo = null,
+            Expression<Func<TEntity, bool>> predicate = null,
+            Func<IQueryable<TEntity>, IOrderedQueryable<TEntity>> orderBuilder = null,
+            Func<IQueryable<TEntity>, IIncludableQueryable<TEntity, object>> includeBuilder = null,
+            CancellationToken cancellationToken = default
+        );
+
+        /// <summary>
+        /// Add an item values ...
+        /// </summary>
+        /// <param name="item"></param>
+        /// <param name="userInfo"></param>
+        /// <param name="connectionId"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        Task<TDto> Add(
+            TDto item,
+            XUserClaimsInfoDto userInfo = null,
+            string connectionId = null,
+            CancellationToken cancellationToken = default
+        );
+
+        /// <summary>
+        /// Update an item values ...
+        /// </summary>
+        /// <param name="id"></param>
+        /// <param name="item"></param>
+        /// <param name="userInfo"></param>
+        /// <param name="connectionId"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        Task<TDto> Update(
+            TKey id,
+            TDto item,
+            XUserClaimsInfoDto userInfo = null,
+            string connectionId = null,
+            CancellationToken cancellationToken = default
+        );
+
+        /// <summary>
+        /// remove an Item ...
+        /// </summary>
+        /// <param name="id"></param>
+        /// <param name="userInfo"></param>
+        /// <param name="connectionId"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        Task<TDto> Remove(
+            TKey id,
+            XUserClaimsInfoDto userInfo = null,
+            string connectionId = null,
+            CancellationToken cancellationToken = default
+        );
+
+        /// <summary>
+        /// count all exists Items ...
+        /// </summary>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        Task<int> Count(
+            CancellationToken cancellationToken = default
+        );
+
+        /// <summary>
+        /// Check an Item exists or not ...
+        /// </summary>
+        /// <param name="id"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        Task<bool> IsExists(
+            TKey id,
+            CancellationToken cancellationToken = default
+        );
+    }
+}

Interfaces/IXBaseProvidedController.cs

@@ -0,0 +1,157 @@
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc;
+using xModels.Base;
+using xModels.Dtos;
+using xPushService.Base;
+
+namespace xPushService.Interfaces
+{
+    /// <summary>
+    /// a Provided Controller Used for Providing a Provided Service Actions ...
+    /// </summary>
+    /// <typeparam name="TEntity"></typeparam>
+    /// <typeparam name="TDto"></typeparam>
+    /// <typeparam name="TKey"></typeparam>
+    /// <typeparam name="THub"></typeparam>
+    public interface IXBaseProvidedController<TEntity, TDto, TKey, THub>
+    where TEntity : XBaseEntity<TKey>
+    where TDto : XBaseEntityDto<TKey>
+    where THub : XBaseDtoHub<TEntity, TDto, TKey>
+    {
+        //
+        #region Retrieve ...
+        /// <summary>
+        /// Get Specified Item by ID ...
+        /// </summary>
+        /// <param name="id"></param>
+        /// <param name="useDefaultIncludes"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        [HttpGet("{id}")]
+        Task<ActionResult<TDto>> Get(
+            [FromRoute] TKey id,
+            [FromQuery] bool useDefaultIncludes = false,
+            CancellationToken cancellationToken = default
+        );
+        
+        /// <summary>
+        /// Get All Exists Items ...
+        /// </summary>
+        /// <param name="useDefaultOrders"></param>
+        /// <param name="useDefaultIncludes"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        [HttpGet("")]
+        Task<ActionResult<IEnumerable<TDto>>> GetAll(
+            [FromQuery] bool useDefaultOrders = false,
+            [FromQuery] bool useDefaultIncludes = false,
+            CancellationToken cancellationToken = default
+        );
+
+        /// <summary>
+        /// Find an item by providing a Conditional Expression ...
+        /// </summary>
+        /// <param name="query"></param>
+        /// <param name="useDefaultIncludes"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        [HttpGet("Find/One")]
+        Task<ActionResult<TDto>> FindOne(
+            [FromQuery] string query,
+            [FromQuery] bool useDefaultIncludes = false,
+            CancellationToken cancellationToken = default
+        ); 
+
+        /// <summary>
+        /// Find a collection of Items by proving a Query Search ...
+        /// </summary>
+        /// <param name="query"></param>
+        /// <param name="useDefaultOrders"></param>
+        /// <param name="useDefaultIncludes"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        [HttpGet("Find/Many")]
+        Task<ActionResult<IEnumerable<TDto>>> FindMany(
+            [FromQuery] string query,
+            [FromQuery] bool useDefaultOrders = false,
+            [FromQuery] bool useDefaultIncludes = false,
+            CancellationToken cancellationToken = default
+        );   
+
+        /// <summary>
+        /// Retrieve Items based on XQuery Pagination structure ...
+        /// </summary>
+        /// <param name="query"></param>
+        /// <param name="useDefaultOrders"></param>
+        /// <param name="useDefaultIncludes"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        [HttpGet("Query")]
+        Task<ActionResult<XQueryResult<TDto>>> Query(
+            [FromQuery] XQuery query,
+            [FromQuery] bool useDefaultOrders = false,
+            [FromQuery] bool useDefaultIncludes = false,
+            CancellationToken cancellationToken = default
+        );                                    
+
+        /// <summary>
+        /// Retrieve Owned Items based on XQuery Pagination structure ...
+        /// </summary>
+        /// <param name="query"></param>
+        /// <param name="useDefaultOrders"></param>
+        /// <param name="useDefaultIncludes"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        [HttpGet("Query/Owned")]
+        Task<ActionResult<XQueryResult<TDto>>> QueryOwned(
+            [FromQuery] XQuery query,
+            [FromQuery] bool useDefaultOrders = false,
+            [FromQuery] bool useDefaultIncludes = false,
+            CancellationToken cancellationToken = default
+        );  
+        #endregion
+
+        //
+        #region Add/Update/Remove ...
+        /// <summary>
+        /// Add an item ...
+        /// </summary>
+        /// <param name="item"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        [HttpPost("")]
+        Task<ActionResult<TDto>> Add(
+            [FromBody] TDto item,
+            CancellationToken cancellationToken = default
+        );
+
+        /// <summary>
+        /// Update an item values ...
+        /// </summary>
+        /// <param name="id"></param>
+        /// <param name="item"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        [HttpPut("{id}")]
+        Task<ActionResult<TDto>> Update(
+            [FromRoute] TKey id,
+            [FromBody] TDto item,
+            CancellationToken cancellationToken = default
+        );        
+
+        /// <summary>
+        /// Remove an Item ...
+        /// </summary>
+        /// <param name="id"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        [HttpDelete("{id}")]
+        Task<ActionResult<TDto>> Remove(
+            [FromRoute] TKey id,
+            CancellationToken cancellationToken = default
+        );        
+        #endregion                                  
+    }
+}

Interfaces/IXBaseRepositoryProviderController.cs

@@ -17,7 +17,7 @@ namespace xPushService.Interfaces
     {
         //
         #region Properties ...
-        IXBaseEntityProviderr<TEntity, TKey, THub> Provider { get; }
+        IXBaseEntityProvider<TEntity, TKey, THub> Provider { get; }
         Func<IQueryable<TEntity>, IOrderedQueryable<TEntity>> DefaultOrderBuilder { get; }
         Func<IQueryable<TEntity>, IIncludableQueryable<TEntity, object>> DefaultIncludeBuilder { get; }
         #endregion

Providers/XBaseProvided.cs

@@ -0,0 +1,418 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Threading;
+using System.Threading.Tasks;
+using Microsoft.EntityFrameworkCore.Query;
+using xCommons.Extensions;
+using xExceptions.Constants;
+using xIdentityModels.Extensions;
+using xIdentityModels.Models;
+using xModels.Base;
+using xModels.Dtos;
+using xPushService.Base;
+using xPushService.Interfaces;
+
+namespace xPushService.Providers
+{
+    /// <summary>
+    /// a Provided Service Used for Providing Data Based on Validations of Users ...
+    /// </summary>
+    /// <typeparam name="TEntity"></typeparam>
+    /// <typeparam name="TDto"></typeparam>
+    /// <typeparam name="TKey"></typeparam>
+    /// <typeparam name="THub"></typeparam>
+    public abstract class XBaseProvided<TEntity, TDto, TKey, THub> : IXBaseProvided<TEntity, TDto, TKey, THub>
+    where TEntity : XBaseEntity<TKey>
+    where TDto : XBaseEntityDto<TKey>
+    where THub : XBaseDtoHub<TEntity, TDto, TKey>
+    {
+        //
+        #region Props ...
+        private readonly string[] permittedRoles;
+        private readonly IXBaseDtoProvider<TEntity, TDto, TKey, THub> provider;
+        #endregion
+
+        //
+        #region Constructor ...
+        protected XBaseProvided(
+            IXBaseDtoProvider<TEntity, TDto, TKey, THub> provider,
+            string[] permittedRoles = null
+        )
+        {
+            this.provider = provider;
+            this.permittedRoles = permittedRoles;
+        }
+        #endregion
+
+        /// <summary>
+        /// Check an Items is Owned for User or not ...
+        /// </summary>
+        /// <param name="item"></param>
+        /// <param name="userInfo"></param>
+        /// <returns></returns>
+        public abstract bool IsOwned(
+            TDto item,
+            XUserClaimsInfoDto userInfo
+        );
+        public abstract bool IsOwned(
+            TEntity item,
+            XUserClaimsInfoDto userInfo
+        );
+
+        /// <summary>
+        /// Check User Has Permission for Manipulate Data or not ...
+        /// </summary>
+        /// <param name="userInfo"></param>
+        /// <returns></returns>
+        public bool HasPermision(
+            XUserClaimsInfoDto userInfo
+        )
+        {
+            //
+            var result =
+                !permittedRoles.HasChild() ||
+                (!userInfo.IsNullOrDefault() &&
+                userInfo.HasAccess(permittedRoles));
+
+            //
+            return result;
+        }
+
+        //
+        #region Provided Actions ...
+        /// <summary>
+        /// Get Specified Item by ID ...
+        /// </summary>
+        /// <param name="id"></param>
+        /// <param name="includeBuilder"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        public virtual async Task<TDto> Get(
+            TKey id,
+            Func<IQueryable<TEntity>, IIncludableQueryable<TEntity, object>> includeBuilder = null,
+            CancellationToken cancellationToken = default
+        )
+        {
+            //
+            var result = await provider.GetAsync(
+                id: id,
+                includeBuilder: null,
+                ignoreSoftDeleteds: true,
+                cancellationToken: cancellationToken
+            );
+
+            //
+            return result;
+        }
+
+        /// <summary>
+        /// Get All Exists Items ...
+        /// </summary>
+        /// <param name="orderBuilder"></param>
+        /// <param name="includeBuilder"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        public virtual async Task<IEnumerable<TDto>> GetAll(
+            Func<IQueryable<TEntity>, IOrderedQueryable<TEntity>> orderBuilder = null,
+            Func<IQueryable<TEntity>, IIncludableQueryable<TEntity, object>> includeBuilder = null,
+            CancellationToken cancellationToken = default
+        )
+        {
+            //
+            var result = await provider.GetAllAsync(
+                ignoreSoftDeleteds: true,
+                orderBuilder: orderBuilder,
+                includeBuilder: includeBuilder,
+                cancellationToken: cancellationToken
+            );
+
+            //
+            return result;
+        }
+
+        /// <summary>
+        /// find an item by providing a Conditional Expression ...
+        /// </summary>
+        /// <param name="predicate"></param>
+        /// <param name="includeBuilder"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        public virtual async Task<TDto> FindOne(
+            Expression<Func<TEntity, bool>> predicate,
+            Func<IQueryable<TEntity>, IIncludableQueryable<TEntity, object>> includeBuilder = null,
+            CancellationToken cancellationToken = default
+        )
+        {
+            //
+            var result = await provider.FindOneAsync(
+                predicate: predicate,
+                ignoreSoftDeleteds: true,
+                includeBuilder: includeBuilder,
+                cancellationToken: cancellationToken
+            );
+
+            //
+            return result;
+        }
+
+        /// <summary>
+        /// find a collection of Items by proving a Conditional Expression ...
+        /// </summary>
+        /// <param name="predicate"></param>
+        /// <param name="orderBuilder"></param>
+        /// <param name="includeBuilder"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        public virtual async Task<IEnumerable<TDto>> FindMany(
+            Expression<Func<TEntity, bool>> predicate,
+            Func<IQueryable<TEntity>, IOrderedQueryable<TEntity>> orderBuilder = null,
+            Func<IQueryable<TEntity>, IIncludableQueryable<TEntity, object>> includeBuilder = null,
+            CancellationToken cancellationToken = default
+        )
+        {
+            //
+            var result = await provider.FindManyAsync(
+                predicate: predicate,
+                ignoreSoftDeleteds: true,
+                orderBuilder: orderBuilder,
+                includeBuilder: includeBuilder,
+                cancellationToken: cancellationToken
+            );
+
+            //
+            return result;
+        }
+
+        /// <summary>
+        /// retrieve Items based on XQuery Pagination structure ...
+        /// </summary>
+        /// <param name="query"></param>
+        /// <param name="predicate"></param>
+        /// <param name="orderBuilder"></param>
+        /// <param name="includeBuilder"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        public virtual async Task<XQueryResult<TDto>> Query(
+            XQuery query,
+            Expression<Func<TEntity, bool>> predicate = null,
+            Func<IQueryable<TEntity>, IOrderedQueryable<TEntity>> orderBuilder = null,
+            Func<IQueryable<TEntity>, IIncludableQueryable<TEntity, object>> includeBuilder = null,
+            CancellationToken cancellationToken = default
+        )
+        {
+            //
+            var result = await provider.QueryAsync(
+                query: query,
+                predicate: predicate,
+                ignoreSoftDeleteds: true,
+                orderBuilder: orderBuilder,
+                includeBuilder: includeBuilder,
+                cancellationToken: cancellationToken
+            );
+
+            //
+            return result;
+        }
+
+        /// <summary>
+        /// retrieve Owned Items based on XQuery Pagination structure ...
+        /// if supported ...
+        /// </summary>
+        /// <param name="query"></param>
+        /// <param name="userInfo"></param>
+        /// <param name="predicate"></param>
+        /// <param name="orderBuilder"></param>
+        /// <param name="includeBuilder"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        public virtual async Task<XQueryResult<TDto>> QueryOwned(
+            XQuery query,
+            XUserClaimsInfoDto userInfo = null,
+            Expression<Func<TEntity, bool>> predicate = null,
+            Func<IQueryable<TEntity>, IOrderedQueryable<TEntity>> orderBuilder = null,
+            Func<IQueryable<TEntity>, IIncludableQueryable<TEntity, object>> includeBuilder = null,
+            CancellationToken cancellationToken = default
+        )
+        {
+            //
+            Expression<Func<TEntity, bool>> predicateor = null;
+            if (!predicate.IsNull())
+            {
+                //
+                var predicateFnc = predicate.Compile();
+                predicateor = x =>
+                    predicateFnc(x) &&
+                    IsOwned(x, userInfo);
+            }
+            else
+            {
+                predicateor = x => IsOwned(x, userInfo);
+            }
+
+            //
+            var result = await provider.QueryAsync(
+                query: query,
+                predicate: predicateor,
+                ignoreSoftDeleteds: true,
+                orderBuilder: orderBuilder,
+                includeBuilder: includeBuilder,
+                cancellationToken: cancellationToken
+            );
+
+            //
+            return result;
+        }
+
+        /// <summary>
+        /// Add an item values ...
+        /// </summary>
+        /// <param name="item"></param>
+        /// <param name="userInfo"></param>
+        /// <param name="connectionId"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        public virtual async Task<TDto> Add(
+            TDto item,
+            XUserClaimsInfoDto userInfo = null,
+            string connectionId = null,
+            CancellationToken cancellationToken = default
+        )
+        {
+            //
+            var result = await provider.AddAsync(
+                item: item,
+                saveChanges: true,
+                connectionId: connectionId,
+                cancellationToken: cancellationToken
+            );
+
+            //
+            return result;
+        }
+
+        /// <summary>
+        /// Update an item values ...
+        /// </summary>
+        /// <param name="id"></param>
+        /// <param name="item"></param>
+        /// <param name="userInfo"></param>
+        /// <param name="connectionId"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        public virtual async Task<TDto> Update(
+            TKey id,
+            TDto item,
+            XUserClaimsInfoDto userInfo = null,
+            string connectionId = null,
+            CancellationToken cancellationToken = default
+        )
+        {
+            //
+            // Check Permission ...
+            var hasPermission =
+                IsOwned(item, userInfo) ||
+                HasPermision(userInfo);
+            if (!hasPermission)
+            {
+                XException.NotAllowed.Throw();
+            }
+
+            //
+            var result = await provider.UpdateAsync(
+                id: id,
+                item: item,
+                saveChanges: true,
+                connectionId: connectionId,
+                cancellationToken: cancellationToken
+            );
+
+            //
+            return result;
+        }
+
+        /// <summary>
+        /// remove an Item ...
+        /// </summary>
+        /// <param name="id"></param>
+        /// <param name="userInfo"></param>
+        /// <param name="connectionId"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        public virtual async Task<TDto> Remove(
+            TKey id,
+            XUserClaimsInfoDto userInfo = null,
+            string connectionId = null,
+            CancellationToken cancellationToken = default
+        )
+        {
+            //
+            // Check Permission ...
+            var item = await Get(
+                id: id,
+                cancellationToken: cancellationToken
+            );
+            var hasPermission =
+                IsOwned(item, userInfo) ||
+                HasPermision(userInfo);
+            if (!hasPermission)
+            {
+                XException.NotAllowed.Throw();
+            }
+
+            //
+            var result = await provider.RemoveAsync(
+                id: id,
+                saveChanges: true,
+                softDelete: false,
+                connectionId: connectionId,
+                cancellationToken: cancellationToken
+            );
+
+            //
+            return result;
+        }
+
+        /// <summary>
+        /// count all exists Items ...
+        /// </summary>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        public virtual async Task<int> Count(
+            CancellationToken cancellationToken = default
+        )
+        {
+            //
+            var result = await provider.CountAsync(
+                ignoreSoftDeleteds: true,
+                cancellationToken: cancellationToken
+            );
+
+            //
+            return result;
+        }
+
+        /// <summary>
+        /// Check an Item exists or not ...
+        /// </summary>
+        /// <param name="id"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        public virtual async Task<bool> IsExists(
+            TKey id,
+            CancellationToken cancellationToken = default
+        )
+        {
+            //
+            var result = await provider.IsExistsAsync(
+                id: id,
+                cancellationToken: cancellationToken
+            );
+
+            //
+            return result;
+        }
+        #endregion
+    }
+}

xPushService.csproj

@@ -1,12 +1,14 @@
 <Project Sdk="Microsoft.NET.Sdk">
+
   <!-- Runtime Definition -->
   <PropertyGroup>
     <Version>1.0.0</Version>
-    <LangVersion>8.0</LangVersion>
+    <LangVersion>12.0</LangVersion>
     <Authors>Hadi Khazaee Asl</Authors>
     <Company>SaherElm IT Center</Company>
     <PackageId>xDashboard.xPushService</PackageId>
     <TargetFramework>netstandard2.0</TargetFramework>
+
     <Description>
       it is a Part of xDashboard Projects on SaherElm IT Center which provides all required models
       and actions in related to
@@ -19,7 +21,8 @@
 
   <!-- Icon Handling -->
   <ItemGroup>
-    <None Include="../../Resources/Images/favicon.png" Link="icon.png" Pack="true" PackagePath="\icon.png" />
+    <None Include="../../Resources/Images/favicon.png" Link="icon.png" Pack="true"
+      PackagePath="\icon.png" />
   </ItemGroup>
 
   <!-- Local Modules -->
@@ -28,9 +31,6 @@
 
   <!-- Local Dependencies -->
   <ItemGroup>
-    <ProjectReference Include="..\xModels\xModels.csproj" />
-    <ProjectReference Include="..\xCommons\xCommons.csproj" />
-    <ProjectReference Include="..\xDataService\xDataService.csproj" />
     <ProjectReference Include="..\xIdentityService\xIdentityService.csproj" />
   </ItemGroup>
 
@@ -40,6 +40,15 @@
     <PackageReference Include="Microsoft.AspNetCore.Authentication" Version="2.2.0" />
     <PackageReference Include="Microsoft.AspNetCore.SignalR.Client" Version="3.1.31" />
     <PackageReference Include="Microsoft.AspNetCore.SignalR.Protocols.MessagePack" Version="3.1.31" />
-    <PackageReference Include="Microsoft.AspNetCore.SignalR.Protocols.NewtonsoftJson" Version="5.0.17" />
+    <PackageReference Include="Microsoft.AspNetCore.SignalR.Protocols.NewtonsoftJson"
+      Version="5.0.17" />
   </ItemGroup>
+
+  <!-- For XML Documentation Support -->
+  <PropertyGroup>
+    <CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
+    <GenerateDocumentationFile>true</GenerateDocumentationFile>
+    <NoWarn>$(NoWarn);1591</NoWarn>
+  </PropertyGroup>
+
 </Project>