move project

AdapterContext.cs

@@ -0,0 +1,89 @@
+using Db.Models;
+using Microsoft.EntityFrameworkCore;
+
+public class AdapterContext : DbContext
+{
+    public AdapterContext(DbContextOptions<AdapterContext> options)
+        : base(options)
+    {
+    }
+
+    protected override void OnModelCreating(ModelBuilder modelBuilder)
+    {
+        // Configure your entity mappings here
+        base.OnModelCreating(modelBuilder);
+
+        modelBuilder.Entity<VideoTag>(e =>
+        {
+            e.HasKey(vt => new { vt.VideoId, vt.TagId });
+            e.HasOne(vt => vt.Video)
+                .WithMany(v => v.VideoTags)
+                .HasForeignKey(vt => vt.VideoId);
+            e.HasOne(vt => vt.Tag)
+                .WithMany(t => t.VideoTags)
+                .HasForeignKey(vt => vt.TagId);
+        });
+
+        modelBuilder.Entity<Video>(e =>
+        {
+            e.HasKey(v => v.Id);
+            e.Property(v => v.Id).IsRequired();
+            e.Property(v => v.Extension).IsRequired();
+
+            // delete videoTags when a video is deleted but not the tags
+            e.HasMany(v => v.VideoTags)
+                .WithOne(vt => vt.Video)
+                .OnDelete(DeleteBehavior.Cascade);
+        });
+
+        modelBuilder.Entity<Tag>(e =>
+        {
+            e.HasKey(t => t.Name);
+            e.Property(t => t.Name).IsRequired();
+
+            // delete videoTags when a tag is deleted but not the videos
+            e.HasMany(t => t.VideoTags)
+                .WithOne(vt => vt.Tag)
+                .OnDelete(DeleteBehavior.Cascade);
+        });
+
+        modelBuilder.Entity<Setting>(e =>
+        {
+            e.HasKey(s => s.Name);
+            e.Property(s => s.Name).IsRequired();
+            e.Property(s => s.Value).IsRequired();
+        });
+
+    }
+
+    // Tags a video can have (e.g. "funny", "cat", "dog")
+    public DbSet<Tag> Tags { get; set; }
+
+    // Videos with tags, relative paths, and other metadata
+    public DbSet<Video> Videos { get; set; }
+    // Settings for the adapter, such as video path
+    public DbSet<Setting> Settings { get; set; }
+    public DbSet<VideoTag> VideoTags { get; set; }
+
+    public async Task<T?> GetSettingAsync<T>(SettingName settingName)
+    {
+        var setting = await Settings.FindAsync(settingName);
+        return setting != null ? (T?)Convert.ChangeType(setting.Value, typeof(T)) : default;
+    }
+
+    public async Task SetSettingAsync<T>(SettingName settingName, T value)
+    {
+        var setting = await Settings.FindAsync(settingName);
+        if (setting == null)
+        {
+            setting = new Setting { Name = settingName, Value = value?.ToString() ?? string.Empty };
+            Settings.Add(setting);
+        }
+        else
+        {
+            setting.Value = value?.ToString() ?? string.Empty;
+            Settings.Update(setting);
+        }
+        await SaveChangesAsync();
+    }
+}