CodeLiturgy.Dashboard/BlueWest.Api/Context/Extensions/CountryDbExtensions.cs

79 lines
3.0 KiB
C#

using System;
using System.Linq;
using System.Linq.Expressions;
using System.Threading.Tasks;
using BlueWest.Data;
using Microsoft.EntityFrameworkCore;
namespace BlueWest.WebApi.EF
{
internal static class CountryDbExtensions
{
internal static (bool, Country) NotFound() => (false, null);
internal static (bool, string, Country) ErrorMessage(string message) => (false, message, null);
internal static (bool, string, Country) Success(bool success, Country country) => (success, "1", null);
internal static (bool, Country) UpdateCountry(
this CountryDbContext dbContext,
CountryUpdate countryUpdate,
int countryId)
{
var country = dbContext.Countries.FirstOrDefault(x => x.Id == countryId);
if (country == null) return NotFound();
country.Update(countryUpdate);
dbContext.Countries.Update(country);
var result = dbContext.SaveChanges() >= 0;
return (result, country);
}
internal static async Task<Country> GetCountryByIdAsync(this DbSet<Country> countries, int countryId) =>
await countries.FirstOrDefaultAsync(x => x.Id == countryId);
internal static (bool, string, Country) AddCurrency( this CountryDbContext dbContext, int countryId, CurrencyCreate currencyCreate)
{
var country = dbContext.Countries.FirstOrDefault(d => d.Code == countryId);
// Check if currency exists
if (country == null) return (false, "Country Not found.", null);
// Creates new currency
var newCurrency = new Currency(currencyCreate);
country.Currencies.Add(newCurrency);
var success = dbContext.SaveChanges() >= 0;
return Success(success, country);
}
internal static (bool, string, Country) AddCurrency(
this CountryDbContext dbContext,
int countryId, CurrencyCreate currencyCreate,
Expression<Func<Currency,bool>>[] duplicationValidations)
{
var country = dbContext.Countries.FirstOrDefault(d => d.Code == countryId);
// Check if currency exists
if (country == null) return (false, $"{nameof(country)} Not found.", null);
// Check if there's currency with the same code
foreach (var duplicationValidation in duplicationValidations)
{
var currencyToGet = dbContext.Currencies.FirstOrDefault(duplicationValidation);
if (currencyToGet != null) return ErrorMessage($"Duplication Validation failed: {nameof(duplicationValidation.Body.ToString)}");
}
// Creates new currency
var newCurrency = new Currency(currencyCreate);
country.Currencies.Add(newCurrency);
var success = dbContext.SaveChanges() >= 0;
return Success(success, country);
}
}
}