feat(News): refactor news service and add sentiment tracking

2026-08-09 21:01:41 +02:00
parent 605e41cfeb
commit aff831cf58
390 changed files with 115094 additions and 9 deletions
@@ -0,0 +1,103 @@
+using FinlyticNews.Database;
+using FinlyticNews.Entities;
+using Microsoft.EntityFrameworkCore;
+
+namespace FinlyticNews.Services;
+
+/// <summary>
+/// Service interface for retrieving and persisting runtime settings in PostgreSQL for FinlyticNews.
+/// </summary>
+public interface ISettingsDbService
+{
+    /// <summary>
+    /// Retrieves current news settings from database, initializing default values if empty.
+    /// </summary>
+    Task<NewsSettingsEntity> GetSettingsAsync();
+
+    /// <summary>
+    /// Persists updated settings to PostgreSQL.
+    /// </summary>
+    Task<NewsSettingsEntity> SaveSettingsAsync(NewsSettingsEntity settings);
+
+    /// <summary>
+    /// Updates settings from a key-value dictionary received via Admin Panel MQTT events.
+    /// </summary>
+    Task UpdateSettingsFromDictionaryAsync(Dictionary<string, string> dictionary);
+}
+
+/// <summary>
+/// EF Core implementation of <see cref="ISettingsDbService"/>.
+/// </summary>
+public class SettingsDbService : ISettingsDbService
+{
+    private readonly NewsDbContext _context;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="SettingsDbService"/> class.
+    /// </summary>
+    /// <param name="context">The database context mapping database tables.</param>
+    public SettingsDbService(NewsDbContext context)
+    {
+        _context = context;
+    }
+
+    /// <inheritdoc />
+    public async Task<NewsSettingsEntity> GetSettingsAsync()
+    {
+        var settings = await _context.Settings.AsNoTracking().FirstOrDefaultAsync();
+        if (settings == null)
+        {
+            settings = new NewsSettingsEntity { Id = Guid.NewGuid() };
+            _context.Settings.Add(settings);
+            await _context.SaveChangesAsync();
+            _context.ChangeTracker.Clear();
+        }
+        return settings;
+    }
+
+    /// <inheritdoc />
+    public async Task<NewsSettingsEntity> SaveSettingsAsync(NewsSettingsEntity settings)
+    {
+        var existing = await _context.Settings.FirstOrDefaultAsync();
+        if (existing == null)
+        {
+            if (settings.Id == Guid.Empty) settings.Id = Guid.NewGuid();
+            _context.Settings.Add(settings);
+        }
+        else
+        {
+            existing.PollingFrequencyMinutes = settings.PollingFrequencyMinutes;
+            existing.ArticleRetentionDays = settings.ArticleRetentionDays;
+            existing.DefaultPageSize = settings.DefaultPageSize;
+            existing.ScrapingIntervalMinutes = settings.ScrapingIntervalMinutes;
+            existing.N8nWebhookUrl = settings.N8nWebhookUrl;
+            existing.UpdatedAt = settings.UpdatedAt;
+            _context.Settings.Update(existing);
+        }
+        await _context.SaveChangesAsync();
+        return settings;
+    }
+
+    /// <inheritdoc />
+    public async Task UpdateSettingsFromDictionaryAsync(Dictionary<string, string> dictionary)
+    {
+        var settings = await GetSettingsAsync();
+
+        foreach (var (key, value) in dictionary)
+        {
+            if (string.Equals(key, "PollingFrequencyMinutes", StringComparison.OrdinalIgnoreCase) && int.TryParse(value, out var pfm))
+                settings.PollingFrequencyMinutes = pfm;
+            else if (string.Equals(key, "ArticleRetentionDays", StringComparison.OrdinalIgnoreCase) && int.TryParse(value, out var ard))
+                settings.ArticleRetentionDays = ard;
+            else if (string.Equals(key, "DefaultPageSize", StringComparison.OrdinalIgnoreCase) && int.TryParse(value, out var dps))
+                settings.DefaultPageSize = dps;
+            else if (string.Equals(key, "ScrapingIntervalMinutes", StringComparison.OrdinalIgnoreCase) && int.TryParse(value, out var sim))
+                settings.ScrapingIntervalMinutes = sim;
+            else if (string.Equals(key, "N8nWebhookUrl", StringComparison.OrdinalIgnoreCase) && !string.IsNullOrWhiteSpace(value))
+                settings.N8nWebhookUrl = value.Trim();
+        }
+
+        settings.UpdatedAt = DateTime.UtcNow;
+        await SaveSettingsAsync(settings);
+    }
+}