public RestaurantController(RestaurantGateway restaurantGateway, UserGateway userGateway)
{
_restaurantGateway = restaurantGateway;
_userGateway = userGateway;
}
/// <summary>
/// The SelectRestaurantForRegisteredUser method.
/// Contains instructions to select a restaurant for a registered user which includes model validations and calls to third party APIs
/// <para>
/// @author: Jennifer Nguyen
/// @update: 04/04/2018
/// </para>
/// </summary>
/// <returns>SelectedRestaurantDto</returns>
public override ResponseDto <SelectedRestaurantDto> SelectRestaurant()
{
var username = _tokenService.GetTokenUsername(_token);
if (username == null)
{
return(new ResponseDto <SelectedRestaurantDto>
{
Data = null,
Error = GeneralErrorMessages.GENERAL_ERROR
});
}
// Validate RestaurantSelection data transfer object
var result = _restaurantSelectionPreLogicValidationStrategy.ExecuteStrategy();
if (result.Error != null)
{
return(new ResponseDto <SelectedRestaurantDto>
{
Data = null,
Error = result.Error
});
}
// Call GeocodeService to get geocoordinates of the client user
var geocodeResponse = _geocodeService.Geocode(new Address(city: RestaurantSelectionDto.City, state: RestaurantSelectionDto.State));
if (geocodeResponse.Data == null | geocodeResponse.Error != null)
{
return(new ResponseDto <SelectedRestaurantDto>
{
Data = null,
Error = geocodeResponse.Error
});
}
// Set the client user's geocoordinates to the RestaurantSelection data transfer object
RestaurantSelectionDto.ClientUserGeoCoordinates = new GeoCoordinates()
{
Latitude = geocodeResponse.Data.Latitude,
Longitude = geocodeResponse.Data.Longitude
};
// Call TimeZoneService to get the timezone offset given the client user's geocoordinates
var timeZoneResponse = _timeZoneService.GetOffset(RestaurantSelectionDto.ClientUserGeoCoordinates);
if (timeZoneResponse.Error != null)
{
return(new ResponseDto <SelectedRestaurantDto>
{
Data = null,
Error = GeneralErrorMessages.GENERAL_ERROR
});
}
// Set the current Coordinate Universal Time (UTC) DateTime to RestaurantSelection data transfer object
RestaurantSelectionDto.CurrentUtcDateTime = _dateTimeService.GetCurrentCoordinateUniversalTime();
// Get current day of week local to the client user and set to RestaurantSelection data transfer object
RestaurantSelectionDto.CurrentLocalDayOfWeek = _dateTimeService.GetCurrentLocalDayOfWeekFromUtc(timeZoneResponse.Data, RestaurantSelectionDto.CurrentUtcDateTime);
// Get the user's food preferences from the database
using (var userGateway = new UserGateway())
{
var gatewayResult = userGateway.GetFoodPreferencesByUsername(username);
if (gatewayResult.Error != null)
{
return(new ResponseDto <SelectedRestaurantDto>()
{
Data = null,
Error = gatewayResult.Error
});
}
RestaurantSelectionDto.FoodPreferences = gatewayResult.Data.FoodPreferences;
}
// Validate data transfer object before querying to select restaurant in the database
result = _registeredUserRestaurantSelectionPostLogicValidationStrategy.ExecuteStrategy();
if (result.Error != null)
{
return(new ResponseDto <SelectedRestaurantDto>
{
Data = null,
Error = result.Error
});
}
// Select a restaurant in the database
using (var restaurantGateway = new RestaurantGateway())
{
var gatewayResult = restaurantGateway.GetRestaurantWithFoodPreferences(
city: RestaurantSelectionDto.City, state: RestaurantSelectionDto.State,
foodType: RestaurantSelectionDto.FoodType, distanceInMeters: (double)ConvertDistanceInMilesToMeters(RestaurantSelectionDto.DistanceInMiles),
avgFoodPrice: RestaurantSelectionDto.AvgFoodPrice,
currentUtcTimeOfDay: RestaurantSelectionDto.CurrentUtcDateTime.TimeOfDay,
currentLocalDayOfWeek: RestaurantSelectionDto.CurrentLocalDayOfWeek.ToString(),
location: RestaurantSelectionDto.Location, foodPreferences: RestaurantSelectionDto.FoodPreferences);
if (gatewayResult.Error != null)
{
return(new ResponseDto <SelectedRestaurantDto>()
{
Data = null,
Error = gatewayResult.Error
});
}
// If Data is null then that means there is not a restaurant within the user's selection criteria
if (gatewayResult.Data == null)
{
return(new ResponseDto <SelectedRestaurantDto>()
{
Data = null
});
}
// Set the result of the gateway query to the SelectedRestaurant data transfer object
SelectedRestaurantDto = gatewayResult.Data;
}
// Sort the list of business hour data transfer objects by day using the DayOfWeek enum property
SelectedRestaurantDto.BusinessHourDtos = SelectedRestaurantDto.BusinessHourDtos
.OrderBy(businessHourDto => (int)Enum.Parse(typeof(DayOfWeek), businessHourDto.Day))
.ThenBy(businessHourDto => businessHourDto.OpenTime)
.ToList();
// Sort the food preferences by ascending order
SelectedRestaurantDto.FoodPreferences = SelectedRestaurantDto.FoodPreferences
.OrderBy(foodPreferences => foodPreferences).ToList();
// Return the selected restaurant
return(new ResponseDto <SelectedRestaurantDto>()
{
Data = SelectedRestaurantDto
});
}