prefab-page-detail/Prefab.Catalog/Data/Configs/OptionsConfig.cs

using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Metadata.Builders;
using Prefab.Base.Catalog.Options;
using Prefab.Catalog.Domain.Entities;

namespace Prefab.Catalog.Data.Configs;

public sealed class OptionDefinitionConfig() : Prefab.Data.Configs.EntityConfig<OptionDefinition>("OptionDefinitions", IModuleDb.SchemaName.ToLower())
{
    public override void Configure(EntityTypeBuilder<OptionDefinition> builder)
    {
        base.Configure(builder);

        builder.HasKey(o => o.Id);

        builder.Property(o => o.RowVersion)
            .IsRowVersion();

        builder.Property(o => o.Name)
            .HasMaxLength(OptionDefinitionRules.NameMaxLength)
            .IsRequired();

        builder.Property(o => o.Code)
            .HasMaxLength(OptionDefinitionRules.CodeMaxLength)
            .IsRequired();

        builder.Property(o => o.Unit)
            .HasMaxLength(OptionDefinitionRules.UnitMaxLength);

        builder.Property(o => o.Min)
            .HasPrecision(18, 4);

        builder.Property(o => o.Max)
            .HasPrecision(18, 4);

        builder.Property(o => o.Step)
            .HasPrecision(18, 4);

        builder.Property(o => o.PricePerUnit)
            .HasPrecision(18, 4);

        builder.Property(o => o.PercentScope)
            .HasConversion(
                v => v.HasValue ? (int)v.Value : (int?)null,
                v => v.HasValue ? (PercentScope)v.Value : null);

        builder.HasIndex(o => new { o.ProductId, o.Code })
            .IsUnique();

        builder.HasOne(o => o.Product)
            .WithMany(p => p.Options)
            .HasForeignKey(o => o.ProductId)
            .OnDelete(DeleteBehavior.Cascade);

        builder.HasMany(o => o.Values)
            .WithOne(v => v.OptionDefinition)
            .HasForeignKey(v => v.OptionDefinitionId)
            .OnDelete(DeleteBehavior.Cascade);

        builder.HasMany(o => o.Tiers)
            .WithOne(t => t.OptionDefinition)
            .HasForeignKey(t => t.OptionDefinitionId)
            .OnDelete(DeleteBehavior.Cascade);
    }
}

public sealed class OptionValueConfig() : Prefab.Data.Configs.EntityConfig<OptionValue>("OptionValues", IModuleDb.SchemaName.ToLower())
{
    public override void Configure(EntityTypeBuilder<OptionValue> builder)
    {
        base.Configure(builder);

        builder.HasKey(v => v.Id);

        builder.Property(v => v.RowVersion)
            .IsRowVersion();

        builder.Property(v => v.Code)
            .HasMaxLength(OptionValueRules.CodeMaxLength)
            .IsRequired();

        builder.Property(v => v.Label)
            .HasMaxLength(OptionValueRules.LabelMaxLength)
            .IsRequired();

        builder.Property(v => v.PriceDelta)
            .HasPrecision(9, 4);

        builder.HasIndex(v => new { v.OptionDefinitionId, v.Code })
            .IsUnique();
    }
}

public sealed class OptionTierConfig() : Prefab.Data.Configs.EntityConfig<OptionTier>("OptionTiers", IModuleDb.SchemaName.ToLower())
{
    public override void Configure(EntityTypeBuilder<OptionTier> builder)
    {
        base.Configure(builder);

        builder.HasKey(t => t.Id);

        builder.Property(t => t.RowVersion)
            .IsRowVersion();

        builder.Property(t => t.FromInclusive)
            .HasPrecision(18, 4);

        builder.Property(t => t.ToInclusive)
            .HasPrecision(18, 4);

        builder.Property(t => t.UnitRate)
            .HasPrecision(18, 4);

        builder.Property(t => t.FlatDelta)
            .HasPrecision(18, 2);

        builder.HasIndex(t => new { t.OptionDefinitionId, t.FromInclusive, t.ToInclusive });
    }
}

public sealed class OptionRuleSetConfig() : Prefab.Data.Configs.EntityConfig<OptionRuleSet>("OptionRuleSets", IModuleDb.SchemaName.ToLower())
{
    public override void Configure(EntityTypeBuilder<OptionRuleSet> builder)
    {
        base.Configure(builder);

        builder.HasKey(r => r.Id);

        builder.Property(r => r.RowVersion)
            .IsRowVersion();

        builder.Property(r => r.TargetKind)
            .HasConversion<byte>();

        builder.Property(r => r.Effect)
            .HasConversion<byte>();

        builder.Property(r => r.Mode)
            .HasConversion<byte>();

        builder.HasIndex(r => new { r.ProductId, r.TargetKind, r.TargetId });

        builder.HasOne(r => r.Product)
            .WithMany(p => p.RuleSets)
            .HasForeignKey(r => r.ProductId)
            .OnDelete(DeleteBehavior.Cascade);
    }
}

public sealed class OptionRuleConditionConfig() : Prefab.Data.Configs.EntityConfig<OptionRuleCondition>("OptionRuleConditions", IModuleDb.SchemaName.ToLower())
{
    public override void Configure(EntityTypeBuilder<OptionRuleCondition> builder)
    {
        base.Configure(builder);

        builder.HasKey(c => c.Id);

        builder.Property(c => c.RowVersion)
            .IsRowVersion();

        builder.Property(c => c.Operator)
            .HasConversion<byte>();

        builder.Property(c => c.RightNumber)
            .HasPrecision(18, 4);

        builder.Property(c => c.RightMin)
            .HasPrecision(18, 4);

        builder.Property(c => c.RightMax)
            .HasPrecision(18, 4);

        builder.HasOne(c => c.RuleSet)
            .WithMany(r => r.Conditions)
            .HasForeignKey(c => c.RuleSetId)
            .OnDelete(DeleteBehavior.Cascade);

        builder.HasOne(c => c.LeftOptionDefinition)
            .WithMany()
            .HasForeignKey(c => c.LeftOptionDefinitionId)
            .OnDelete(DeleteBehavior.NoAction);

        builder.HasOne(c => c.RightOptionValue)
            .WithMany()
            .HasForeignKey(c => c.RightOptionValueId)
            .OnDelete(DeleteBehavior.NoAction);
    }
}