116 lines
4.5 KiB
C#
116 lines
4.5 KiB
C#
using System;
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using System.Linq;
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using System.Linq.Expressions;
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using System.Threading.Tasks;
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using BlueWest.Data;
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using Microsoft.EntityFrameworkCore;
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namespace BlueWest.WebApi.EF
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{
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/// <summary>
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/// Country table database extensions
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/// </summary>
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public static class CountryExtensions2
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{
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/// <summary>
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/// Add a new country
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/// </summary>
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/// <param name="dbContext"></param>
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/// <param name="countryCreate"></param>
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/// <returns></returns>
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/*public static (bool, CountryUnique) AddCountry(this CountryDbContext dbContext, CountryCreate countryCreate)
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{
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Country newCountry = new Country(countryCreate);
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dbContext.Countries.Add(newCountry);
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bool success = dbContext.SaveChanges() >= 0;
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return (success, new CountryUnique(newCountry));
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} */
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/// <summary>
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/// Updates a country data.
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/// </summary>
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/// <param name="dbContext">DbContext.</param>
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/// <param name="countryUpdate">Country data to update.</param>
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/// <param name="countryId">Country Id.</param>
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/// <returns></returns>
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public static (bool, Country) UpdateCountry(
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this CountryDbContext dbContext,
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CountryUpdate countryUpdate,
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int countryId)
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{
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var country = dbContext.Countries.FirstOrDefault(x => x.Id == countryId);
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if (country == null) return (false, null);
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country.Update(countryUpdate);
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dbContext.Countries.Update(country);
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var result = dbContext.SaveChanges() >= 0;
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return (result, country);
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}
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/// <summary>
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/// Adds a new Currency to the specified country
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/// </summary>
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/// <param name="dbContext"></param>
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/// <param name="countryId"></param>
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/// <param name="currencyCreate"></param>
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/// <returns></returns>
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/*public static (bool, string, CurrencyUnique) AddCurrency(
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this CountryDbContext dbContext,
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int countryId,
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CurrencyCreate currencyCreate)
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{
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var country = dbContext.Countries.FirstOrDefault(d => d.Id == countryId);
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// Check if currency exists
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if (country == null) return (false, "Country Not found.", null);
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// Creates new currency
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var newCurrency = new Currency(currencyCreate);
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country.Currencies.Add(newCurrency);
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var success = dbContext.SaveChanges() >= 0;
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return !success ? (false, "Error saving the changes in the database.", null) : (true, string.Empty, new CurrencyUnique(newCurrency));
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}*/
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// country add (add currency) currency create, duplicatioon Validations
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/// <summary>
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/// Add Currency with optional duplication checks
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/// </summary>
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/// <param name="dbContext"></param>
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/// <param name="countryId">Country Id</param>
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/// <param name="currencyCreate">Data to create currency</param>
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/// <param name="duplicationValidations">List of expressions</param>
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/// <returns></returns>
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/*public static (bool, string, CurrencyUnique) AddCurrency(
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this CountryDbContext dbContext,
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int countryId, CurrencyCreate currencyCreate,
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Expression<Func<Currency,bool>>[] duplicationValidations)
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{
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var countryQuery = from aCountry in dbContext.Countries
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where aCountry.Id == countryId
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let currencies = aCountry.Currencies
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select aCountry;
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var country = countryQuery.FirstOrDefault();
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if (country == null) return (false, $"{nameof(country)} Not found.", null);
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foreach (var duplicationValidation in duplicationValidations)
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{
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var currencyToGet = dbContext.Currencies.FirstOrDefault(duplicationValidation);
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if (currencyToGet != null)
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{
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return (false, $"Duplication Validation failed: {nameof(duplicationValidation.Body.ToString)}", null);
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}
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}
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var newCurrency = new Currency(currencyCreate);
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country.Currencies.Add(newCurrency);
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var success = dbContext.SaveChanges() >= 0;
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return !success ? (false, "Error saving the changes in the database.", null) : (true, string.Empty, new CurrencyUnique(newCurrency));
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}*/
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}
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}
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