101 lines
3.8 KiB
C#
101 lines
3.8 KiB
C#
using FinlyticTechnicalAnalysis.Database;
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using FinlyticTechnicalAnalysis.Entities;
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using Microsoft.EntityFrameworkCore;
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namespace FinlyticTechnicalAnalysis.Services;
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public interface ISettingsDbService
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{
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/// <summary>
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/// Gets the settings.
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/// </summary>
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Task<TaSettingsEntity> GetSettingsAsync();
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/// <summary>
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/// Saves the settings.
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/// </summary>
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Task<TaSettingsEntity> SaveSettingsAsync(TaSettingsEntity settings);
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/// <summary>
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/// Updates settings from a dictionary.
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/// </summary>
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Task UpdateSettingsFromDictionaryAsync(Dictionary<string, string> dictionary);
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}
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public class SettingsDbService : ISettingsDbService
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{
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private readonly TechnicalAnalysisDbContext _context;
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public SettingsDbService(TechnicalAnalysisDbContext context)
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{
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_context = context;
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}
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/// <summary>
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/// Gets the settings.
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/// </summary>
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public async Task<TaSettingsEntity> GetSettingsAsync()
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{
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var settings = await _context.Settings.AsNoTracking().FirstOrDefaultAsync();
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if (settings == null)
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{
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settings = new TaSettingsEntity { Id = Guid.NewGuid() };
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_context.Settings.Add(settings);
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await _context.SaveChangesAsync();
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_context.ChangeTracker.Clear();
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}
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return settings;
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}
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/// <summary>
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/// Saves the settings.
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/// </summary>
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public async Task<TaSettingsEntity> SaveSettingsAsync(TaSettingsEntity settings)
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{
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var existing = await _context.Settings.FirstOrDefaultAsync();
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if (existing == null)
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{
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if (settings.Id == Guid.Empty) settings.Id = Guid.NewGuid();
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_context.Settings.Add(settings);
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}
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else
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{
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existing.EmaShortPeriod = settings.EmaShortPeriod;
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existing.SmaMediumPeriod = settings.SmaMediumPeriod;
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existing.SmaLongPeriod = settings.SmaLongPeriod;
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existing.RsiOverboughtLimit = settings.RsiOverboughtLimit;
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existing.RsiOversoldLimit = settings.RsiOversoldLimit;
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existing.SupertrendMultiplier = settings.SupertrendMultiplier;
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existing.UpdatedAt = settings.UpdatedAt;
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_context.Settings.Update(existing);
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}
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await _context.SaveChangesAsync();
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return settings;
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}
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/// <summary>
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/// Updates settings from a dictionary.
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/// </summary>
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public async Task UpdateSettingsFromDictionaryAsync(Dictionary<string, string> dictionary)
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{
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var settings = await GetSettingsAsync();
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foreach (var (key, value) in dictionary)
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{
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if (string.Equals(key, "EmaShortPeriod", StringComparison.OrdinalIgnoreCase) && int.TryParse(value, out var esp))
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settings.EmaShortPeriod = esp;
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else if (string.Equals(key, "SmaMediumPeriod", StringComparison.OrdinalIgnoreCase) && int.TryParse(value, out var smp))
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settings.SmaMediumPeriod = smp;
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else if (string.Equals(key, "SmaLongPeriod", StringComparison.OrdinalIgnoreCase) && int.TryParse(value, out var slp))
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settings.SmaLongPeriod = slp;
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else if (string.Equals(key, "RsiOverboughtLimit", StringComparison.OrdinalIgnoreCase) && double.TryParse(value, out var rsiOb))
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settings.RsiOverboughtLimit = rsiOb;
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else if (string.Equals(key, "RsiOversoldLimit", StringComparison.OrdinalIgnoreCase) && double.TryParse(value, out var rsiOs))
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settings.RsiOversoldLimit = rsiOs;
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else if (string.Equals(key, "SupertrendMultiplier", StringComparison.OrdinalIgnoreCase) && double.TryParse(value, out var stm))
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settings.SupertrendMultiplier = stm;
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}
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settings.UpdatedAt = DateTime.UtcNow;
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await SaveSettingsAsync(settings);
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}
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}
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