Update models Messages

Govor.Data/Configurations/MediaAttachmentsConfiguration.cs

@@ -0,0 +1,26 @@
+using Govor.Core.Models;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace Govor.Data.Configurations;
+
+public class MediaAttachmentsConfiguration : IEntityTypeConfiguration<MediaAttachments>
+{
+    public void Configure(EntityTypeBuilder<MediaAttachments> builder)
+    {
+        builder.HasKey(ma => ma.Id);
+
+        builder.Property(ma => ma.FilePath)
+            .IsRequired();
+
+        builder.Property(ma => ma.MimeType)
+            .IsRequired();
+
+        builder.Property(ma => ma.EncryptedKey)
+            .HasMaxLength(512); // зависит от шифра
+
+        builder.Property(ma => ma.Type)
+            .HasConversion<string>() // enum as string (e.g., "Image")
+            .IsRequired();
+    }
+}

Govor.Data/Configurations/MessageReactionConfiguration.cs

@@ -0,0 +1,24 @@
+using Govor.Core.Models;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace Govor.Data.Configurations;
+
+public class MessageReactionConfiguration : IEntityTypeConfiguration<MessageReaction>
+{
+    public void Configure(EntityTypeBuilder<MessageReaction> builder)
+    {
+        builder.HasKey(r => r.Id);
+
+        builder.HasIndex(r => new { r.MessageId, r.UserId }).IsUnique(); // Одна реакция от одного юзера
+
+        builder.Property(r => r.ReactionCode)
+            .IsRequired()
+            .HasMaxLength(64); // можно увеличить для кастомных эмодзи
+
+        builder.HasOne(r => r.User)
+            .WithMany()
+            .HasForeignKey(r => r.UserId)
+            .OnDelete(DeleteBehavior.Cascade);
+    }
+}

Govor.Data/Configurations/MessageViewConfiguration.cs

@@ -0,0 +1,18 @@
+using Govor.Core.Models;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace Govor.Data.Configurations;
+
+public class MessageViewConfiguration : IEntityTypeConfiguration<MessageView>
+{
+    public void Configure(EntityTypeBuilder<MessageView> builder)
+    {
+        builder.HasKey(mv => mv.Id);
+
+        builder.HasIndex(mv => new { mv.MessageId, mv.UserId }).IsUnique();
+
+        builder.Property(mv => mv.ViewedAt)
+            .IsRequired();
+    }
+}

Govor.Data/Configurations/MessagesConfiguration.cs

@@ -0,0 +1,36 @@
+using Govor.Core.Models;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace Govor.Data.Configurations;
+
+public class MessagesConfiguration : IEntityTypeConfiguration<Message>
+{
+    public void Configure(EntityTypeBuilder<Message> builder)
+    {
+        builder.HasKey(m => m.Id);
+
+        builder.HasMany(m => m.Reactions)
+            .WithOne(r => r.Message)
+            .HasForeignKey(r => r.MessageId)
+            .OnDelete(DeleteBehavior.Cascade);
+
+        builder.HasMany(m => m.MediaAttachments)
+            .WithOne(ma => ma.Message)
+            .HasForeignKey(ma => ma.MessageId)
+            .OnDelete(DeleteBehavior.Cascade);
+
+        builder.HasMany(m => m.MessageViews)
+            .WithOne()
+            .HasForeignKey(mv => mv.MessageId)
+            .OnDelete(DeleteBehavior.Cascade);
+
+        builder.HasOne(m => m.ReplyToMessage)
+            .WithMany()
+            .HasForeignKey(m => m.ReplyToMessageId)
+            .OnDelete(DeleteBehavior.Restrict); 
+
+        builder.Property(m => m.EncryptedContent)
+            .IsRequired();
+    }
+}