System.InvalidOperationException: The provider for the source IQueryable doesn't implement IDbAsyncQueryProvider. Only providers that implement IDbAsyncQueryProvider can be used for Entity Framework asynchronous operations. For more details see http://go.microsoft.com/fwlink/?LinkId=287068.
at System.Data.Entity.QueryableExtensions.FirstOrDefaultAsync[TSource](IQueryable1 source, Expression
1 predicate, CancellationToken cancellationToken)
at System.Data.Entity.QueryableExtensions.FirstOrDefaultAsync[TSource](IQueryable1 source, Expression
1 predicate)
at Palmfit.Core.Implementations.FoodInterfaceRepository.GetCalorieByNameAsync(String foodName, UnitType unit, Decimal amount) in /Palmfit/Palmfit.Core/Implementations/FoodInterfaceRepository.cs:line 105
at Palmfit.Api.Controllers.FoodController.CalculateCalorieForFoodByName(String foodName, UnitType unit, Decimal amount) in /Palmfit/Palmfit.Api/Controllers/FoodController.cs:line 92
at lambda_method36(Closure, Object)
at Microsoft.AspNetCore.Mvc.Infrastructure.ActionMethodExecutor.AwaitableObjectResultExecutor.Execute(ActionContext actionContext, IActionResultTypeMapper mapper, ObjectMethodExecutor executor, Object controller, Object[] arguments)
at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.g__Awaited|12_0(ControllerActionInvoker invoker, ValueTask`1 actionResultValueTask)
at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.g__Awaited|10_0(ControllerActionInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)
at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Rethrow(ActionExecutedContextSealed context)
at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)
at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.InvokeInnerFilterAsync()
--- End of stack trace from previous location ---
at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.g__Awaited|20_0(ResourceInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)
at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.g__Awaited|17_0(ResourceInvoker invoker, Task task, IDisposable scope)
at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.g__Awaited|17_0(ResourceInvoker invoker, Task task, IDisposable scope)
at Microsoft.AspNetCore.Routing.EndpointMiddleware.g__AwaitRequestTask|6_0(Endpoint endpoint, Task requestTask, ILogger logger)
at Microsoft.AspNetCore.Authorization.AuthorizationMiddleware.Invoke(HttpContext context)
at Microsoft.AspNetCore.Authentication.AuthenticationMiddleware.Invoke(HttpContext context)
at Swashbuckle.AspNetCore.SwaggerUI.SwaggerUIMiddleware.Invoke(HttpContext httpContext)
at Swashbuckle.AspNetCore.Swagger.SwaggerMiddleware.Invoke(HttpContext httpContext, ISwaggerProvider swaggerProvider)
at Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddlewareImpl.Invoke(HttpContext context)
[HttpGet("calculate-calorie-by-name")]
public async Task<ActionResult<ApiResponse<decimal>>> CalculateCalorieForFoodByName(string foodName, UnitType unit, decimal amount)
{
try
{
decimal calorie = await _foodRepo.GetCalorieByNameAsync(foodName, unit, amount);
return ApiResponse<decimal>.Success(calorie, "Calorie calculation successful");
}
catch (ArgumentException ex)
{
return ApiResponse<decimal>.Failed(0, ex.Message);
}
}
public async Task<decimal> GetCalorieByIdAsync(string foodId, UnitType unit, decimal amount)
{
var food = await _dbContext.Foods.FirstOrDefaultAsync(f => f.Id== foodId);
if (food == null)
throw new ArgumentException("Food not found with the specified ID.", nameof(foodId));
decimal convertedAmount = ConvertToGrams(amount, unit);
return food.Calorie * convertedAmount;
}