feat: add core persistence model

Tiku.Infrastructure/Persistence/Configurations/ConfigurationSupport.cs

@@ -0,0 +1,75 @@
+using System.Text.Json;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+using Tiku.Domain.Common;
+using Tiku.Domain.Tenancy;
+
+namespace Tiku.Infrastructure.Persistence.Configurations;
+
+internal static class ConfigurationSupport
+{
+    public static void ConfigureEntity<TEntity>(
+        this EntityTypeBuilder<TEntity> builder,
+        string tableName)
+        where TEntity : Entity
+    {
+        builder.ToTable(tableName);
+        builder.HasKey(entity => entity.Id);
+        builder.Property(entity => entity.Id).HasDefaultValueSql("gen_random_uuid()");
+    }
+
+    public static void ConfigureTenantEntity<TEntity>(
+        this EntityTypeBuilder<TEntity> builder,
+        string tableName)
+        where TEntity : TenantEntity
+    {
+        builder.ConfigureEntity(tableName);
+        builder.HasAlternateKey(entity => new { entity.TenantId, entity.Id });
+        builder.HasOne<Tenant>()
+            .WithMany()
+            .HasForeignKey(entity => entity.TenantId)
+            .OnDelete(DeleteBehavior.Cascade);
+    }
+
+    public static void ConfigureTimestamps<TEntity>(this EntityTypeBuilder<TEntity> builder)
+        where TEntity : class, IHasTimestamps
+    {
+        builder.Property(entity => entity.CreatedAt).HasDefaultValueSql("now()");
+        builder.Property(entity => entity.UpdatedAt).HasDefaultValueSql("now()");
+    }
+
+    public static PropertyBuilder<JsonElement> IsJson(
+        this PropertyBuilder<JsonElement> property,
+        string defaultJson)
+    {
+        return property
+            .HasColumnType("jsonb")
+            .HasDefaultValueSql($"'{defaultJson}'::jsonb");
+    }
+
+    public static PropertyBuilder<TEnum> HasSnakeCaseEnum<TEnum>(
+        this PropertyBuilder<TEnum> property,
+        int maxLength = 32)
+        where TEnum : struct, Enum
+    {
+        return property
+            .HasConversion(new SnakeCaseEnumConverter<TEnum>())
+            .HasMaxLength(maxLength);
+    }
+
+    public static PropertyBuilder<TEnum?> HasNullableSnakeCaseEnum<TEnum>(
+        this PropertyBuilder<TEnum?> property,
+        int maxLength = 32)
+        where TEnum : struct, Enum
+    {
+        return property
+            .HasConversion(
+                value => value.HasValue
+                    ? ModelBuilderExtensions.ToSnakeCase(value.Value.ToString())
+                    : null,
+                value => string.IsNullOrWhiteSpace(value)
+                    ? null
+                    : Enum.Parse<TEnum>(value.Replace("_", string.Empty), true))
+            .HasMaxLength(maxLength);
+    }
+}