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 +1,70 @@
+using FinlyticNews.Entities;
+using Microsoft.EntityFrameworkCore;
+
+namespace FinlyticNews.Database;
+
+/// <summary>
+/// Entity Framework Core database context for the news microservice,
+/// managing article sources, processed news, and matched assets.
+/// </summary>
+public class NewsDbContext : DbContext
+{
+    /// <summary>
+    /// Initializes a new instance of the <see cref="NewsDbContext"/> class.
+    /// </summary>
+    /// <param name="options">The context configuration options.</param>
+    public NewsDbContext(DbContextOptions<NewsDbContext> options) : base(options)
+    {
+    }
+
+    /// <summary>
+    /// Gets or sets the database set for configured article sources.
+    /// </summary>
+    public DbSet<ArticleSourceEntity> ArticleSources => Set<ArticleSourceEntity>();
+
+    /// <summary>
+    /// Gets or sets the database set for news articles.
+    /// </summary>
+    public DbSet<NewsArticleEntity> NewsArticles => Set<NewsArticleEntity>();
+
+    /// <summary>
+    /// Gets or sets the database set for matched assets.
+    /// </summary>
+    public DbSet<MatchedAssetEntity> MatchedAssets => Set<MatchedAssetEntity>();
+
+    /// <summary>
+    /// Gets or sets the database set for microservice configuration settings.
+    /// </summary>
+    public DbSet<NewsSettingsEntity> Settings => Set<NewsSettingsEntity>();
+
+    /// <summary>
+    /// Configures the model mapping, database constraints, and unique indices.
+    /// </summary>
+    /// <param name="modelBuilder">The builder being used to construct the database schema model.</param>
+    protected override void OnModelCreating(ModelBuilder modelBuilder)
+    {
+        base.OnModelCreating(modelBuilder);
+
+        // Configure unique index on SourceUrl for deduplication check (idempotency)
+        modelBuilder.Entity<NewsArticleEntity>()
+            .HasIndex(a => a.SourceUrl)
+            .IsUnique();
+
+        // Performance indexes for news queries
+        modelBuilder.Entity<NewsArticleEntity>()
+            .HasIndex(a => new { a.PublishedAt, a.ScrapedAt });
+
+        modelBuilder.Entity<NewsArticleEntity>()
+            .HasIndex(a => a.Status);
+
+        modelBuilder.Entity<MatchedAssetEntity>()
+            .HasIndex(m => m.Isin);
+
+        // Configure relationship between NewsArticle and MatchedAssets
+        modelBuilder.Entity<MatchedAssetEntity>()
+            .HasOne(m => m.NewsArticle)
+            .WithMany(a => a.MatchedAssets)
+            .HasForeignKey(m => m.NewsArticleId)
+            .OnDelete(DeleteBehavior.Cascade);
+    }
+}