81 lines
2.4 KiB
C#
81 lines
2.4 KiB
C#
namespace MyOffice.DbContext;
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using Data.Models.Currencies;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.Extensions.DependencyInjection;
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public record ConnectionConfiguration(string Provider, string ConnectionString);
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public class RepositoryInitializer
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{
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public static void Initialize(
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IServiceCollection services,
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ConnectionConfiguration connectionString
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)
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{
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Services = services!;
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ConnectionString = connectionString;
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var db = AppDbContextFactory.Instance.CreateDbContext();
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db.Database.Migrate();
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Prefill(db);
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UpdateCurrentRates(db);
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}
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public static ConnectionConfiguration ConnectionString { get; internal set; } = null!;
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public static IServiceCollection Services { get; internal set; } = null!;
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private static void Prefill(AppDbContext dbContext)
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{
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// CurrencyGlobals
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var predefinedCurrencyGlobals = new List<CurrencyGlobal>()
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{
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new() { Id = "UAH", DefaultQuantity = 1, Symbol = "₴", Name = "Ukrainian hryvnias" },
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new() { Id = "USD", DefaultQuantity = 1, Symbol = "$", Name = "US Dollar" },
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new() { Id = "EUR", DefaultQuantity = 1, Symbol = "€", Name = "Euros" },
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new() { Id = "GBP", DefaultQuantity = 1, Symbol = "£", Name = "British pounds sterling" },
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new() { Id = "RUB", DefaultQuantity = 10, Symbol = "₽", Name = "Russia Ruble" },
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new() { Id = "BTC", DefaultQuantity = 10, Symbol = "btc", Name = "Bitcoin" },
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new() { Id = "ETH", DefaultQuantity = 10, Symbol = "eth", Name = "Ethereum" },
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new() { Id = "TON", DefaultQuantity = 10, Symbol = "ton", Name = "TON" },
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new() { Id = "OTHER", DefaultQuantity = 1, Symbol = "", Name = "Other" },
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};
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var currencyGlobals = dbContext.CurrencyGlobals.ToList();
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foreach (var predefined in predefinedCurrencyGlobals)
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{
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if (currencyGlobals.FirstOrDefault(x => x.Id == predefined.Id) == null)
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{
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dbContext.CurrencyGlobals.Add(predefined);
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}
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}
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dbContext.SaveChanges();
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}
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private static void UpdateCurrentRates(AppDbContext dbContext)
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{
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var lastrates = dbContext.CurrencyRates
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.Include(x => x.Currency)
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.GroupBy(x => new
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{
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x.CurrencyId,
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}, (key, g) => g.OrderByDescending(x => x.DateTime).First())
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.ToList();
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var currencies = dbContext.Currencies.ToList();
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foreach (var currency in currencies)
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{
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var rate = lastrates.FirstOrDefault(x => x.CurrencyId == currency.Id);
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if (rate != null)
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{
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//currency.CurrentRateId = rate.Id;
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dbContext.Attach(currency);
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}
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}
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dbContext.SaveChanges();
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}
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} |