CM-50 Guess country (#61)

CommentMap.Mvc/Data/CommentMapDbContext.cs

@@ -8,10 +8,12 @@ namespace CommentMap.Mvc.Data;
 public class CommentMapDbContext(DbContextOptions<CommentMapDbContext> options) : IdentityDbContext<User, Role, Guid>(options), ICommentMapDbContext
 {
     public DbSet<Comment> Comments => Set<Comment>();
+    public DbSet<Country> Countries => Set<Country>();
 
     protected override void OnModelCreating(ModelBuilder builder)
     {
         base.OnModelCreating(builder);
-        builder.ApplyConfiguration(new CommentConfiguration());
+        builder.ApplyConfiguration(new CommentConfiguration())
+            .ApplyConfiguration(new CountryConfiguration());
     }
 }

CommentMap.Mvc/Data/Entities/Comment.cs

@@ -17,6 +17,9 @@ public class Comment : IEquatable<Comment>
 
     public bool IsDeleted { get; set; }
 
+    public Country? Country { get; set; }
+    public string? ISO3CodeCountry { get; set; }
+
     public bool Equals(Comment? other)
     {
         if (other is null) return false;

CommentMap.Mvc/Data/Entities/Configurations/CommentConfiguration.cs

@@ -14,7 +14,7 @@ public void Configure(EntityTypeBuilder<Comment> builder)
             .HasForeignKey(c => c.UserId)
             .OnDelete(DeleteBehavior.Cascade);
 
-        builder.Property(c => c.Location).HasColumnType("geometry (point)");
+        builder.Property(c => c.Location).HasColumnType("geometry (point, 3857)");
         builder.HasIndex(c => c.Location).HasMethod("gist");
 
         builder.Property(c => c.Title).HasMaxLength(100);
@@ -23,5 +23,10 @@ public void Configure(EntityTypeBuilder<Comment> builder)
         builder.Property(c => c.IsDeleted).HasDefaultValue(false);
 
         builder.HasIndex(c => c.Title);
+
+        builder.HasOne(c => c.Country)
+            .WithMany(c => c.Comments)
+            .HasForeignKey(c => c.ISO3CodeCountry)
+            .OnDelete(DeleteBehavior.SetNull);
     }
 }

CommentMap.Mvc/Data/Entities/Configurations/CountryConfiguration.cs

@@ -0,0 +1,21 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace CommentMap.Mvc.Data.Entities.Configurations;
+
+public class CountryConfiguration : IEntityTypeConfiguration<Country>
+{
+    public void Configure(EntityTypeBuilder<Country> builder)
+    {
+        builder.Property(c => c.Boundaries).HasColumnType("geometry (multipolygon, 3857)");
+        builder.HasIndex(c => c.Boundaries).HasMethod("gist");
+
+        builder.HasKey(c => c.ISO3Code);
+        builder.Property(c => c.ISO3Code).HasMaxLength(3).HasColumnType("char");
+        builder.Property(c => c.ISO2Code).HasMaxLength(2).HasColumnType("char");
+
+        builder.Property(c => c.Name).HasMaxLength(60);
+        builder.Property(c => c.RegionName).HasMaxLength(10);
+        builder.Property(c => c.SubregionName).HasMaxLength(40);
+    }
+}

CommentMap.Mvc/Data/Entities/Country.cs

@@ -0,0 +1,17 @@
+using NetTopologySuite.Geometries;
+
+namespace CommentMap.Mvc.Data.Entities;
+
+public class Country
+{
+    public required MultiPolygon Boundaries { get; set; }
+    public required string ISO3Code { get; set; }
+    public required string ISO2Code { get; set; }
+    public required string Name { get; set; }
+    public short RegionCode { get; set; }
+    public required string RegionName { get; set; }
+    public short SubregionCode { get; set; }
+    public required string SubregionName { get; set; }
+
+    public HashSet<Comment>? Comments { get; set; }
+}

CommentMap.Mvc/Data/ICommentMapDbContext.cs

@@ -8,6 +8,7 @@ public interface ICommentMapDbContext
     DbSet<User> Users { get; }
     DbSet<Role> Roles { get; }
     DbSet<Comment> Comments { get; }
+    DbSet<Country> Countries { get; }
 
     Task<int> SaveChangesAsync(CancellationToken cancellationToken = default);
 }