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Moved the EFCore entity configuration to the entity builder level. (#74)
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110 changes: 110 additions & 0 deletions
110
src/Fluxera.Repository.EntityFrameworkCore/EntityTypeBuilderExtensions.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,110 @@ | ||
| namespace Fluxera.Repository.EntityFrameworkCore | ||
| { | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Linq; | ||
| using System.Reflection; | ||
| using Fluxera.Entity; | ||
| using Fluxera.Enumeration.EntityFrameworkCore; | ||
| using Fluxera.Guards; | ||
| using Fluxera.StronglyTypedId; | ||
| using Fluxera.StronglyTypedId.EntityFrameworkCore; | ||
| using Fluxera.ValueObject.EntityFrameworkCore; | ||
| using JetBrains.Annotations; | ||
| using Microsoft.EntityFrameworkCore; | ||
| using Microsoft.EntityFrameworkCore.Metadata; | ||
| using Microsoft.EntityFrameworkCore.Metadata.Builders; | ||
|
|
||
| /// <summary> | ||
| /// Extension methods for the <see cref="ModelBuilder" /> type. | ||
| /// </summary> | ||
| [PublicAPI] | ||
| public static class EntityTypeBuilderExtensions | ||
| { | ||
| /// <summary> | ||
| /// Configure the <see cref="EntityTypeBuilder" /> with default settings. | ||
| /// </summary> | ||
| /// <param name="entityTypeBuilder"></param> | ||
| /// <returns></returns> | ||
| public static void UseRepositoryDefaults(this EntityTypeBuilder entityTypeBuilder) | ||
| { | ||
| Guard.Against.Null(entityTypeBuilder); | ||
|
|
||
| entityTypeBuilder.UseEnumeration(); | ||
| entityTypeBuilder.UsePrimitiveValueObject(); | ||
| entityTypeBuilder.UseStronglyTypedId(); | ||
| entityTypeBuilder.UseStronglyTypedIdValueGenerator(); | ||
| entityTypeBuilder.UseSequentialGuidStringIdValueGenerator(); | ||
| entityTypeBuilder.UseReferences(); | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Configure the <see cref="EntityTypeBuilder" /> to use the | ||
| /// <see cref="StronglyTypedIdValueGenerator{TStronglyTypedId,TValue}" />. | ||
| /// </summary> | ||
| /// <param name="entityTypeBuilder"></param> | ||
| public static void UseStronglyTypedIdValueGenerator(this EntityTypeBuilder entityTypeBuilder) | ||
| { | ||
| Guard.Against.Null(entityTypeBuilder); | ||
|
|
||
| IEnumerable<PropertyInfo> properties = entityTypeBuilder.Metadata | ||
| .ClrType | ||
| .GetProperties() | ||
| .Where(propertyInfo => propertyInfo.PropertyType.IsStronglyTypedId()); | ||
|
|
||
| foreach(PropertyInfo property in properties) | ||
| { | ||
| Type idType = property.PropertyType; | ||
| Type valueType = idType.GetStronglyTypedIdValueType(); | ||
|
|
||
| Type generatorTypeTemplate = typeof(StronglyTypedIdValueGenerator<,>); | ||
| Type generatorType = generatorTypeTemplate.MakeGenericType(idType, valueType); | ||
|
|
||
| entityTypeBuilder | ||
| .Property(property.Name) | ||
| .HasValueGenerator(generatorType); | ||
| } | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Configure the <see cref="EntityTypeBuilder" /> to use the <see cref="SequentialGuidStringValueGenerator" /> for | ||
| /// string IDs. | ||
| /// </summary> | ||
| /// <param name="entityTypeBuilder"></param> | ||
| public static void UseSequentialGuidStringIdValueGenerator(this EntityTypeBuilder entityTypeBuilder) | ||
| { | ||
| Guard.Against.Null(entityTypeBuilder); | ||
|
|
||
| IEnumerable<PropertyInfo> properties = entityTypeBuilder.Metadata | ||
| .ClrType | ||
| .GetProperties() | ||
| .Where(propertyInfo => propertyInfo.PropertyType == typeof(string) && propertyInfo.Name == "ID"); | ||
|
|
||
| foreach(PropertyInfo property in properties) | ||
| { | ||
| entityTypeBuilder | ||
| .Property(property.Name) | ||
| .HasValueGenerator<SequentialGuidStringValueGenerator>(); | ||
| } | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Disables the delete cascading for references aggregate roots. | ||
| /// </summary> | ||
| /// <param name="entityTypeBuilder"></param> | ||
| public static void UseReferences(this EntityTypeBuilder entityTypeBuilder) | ||
| { | ||
| IMutableEntityType entityType = entityTypeBuilder.Metadata; | ||
|
|
||
| if(!entityType.IsOwned() && entityType.ClrType.IsAggregateRoot()) | ||
| { | ||
| IEnumerable<IMutableForeignKey> foreignKeys = entityType.GetForeignKeys(); | ||
|
|
||
| foreach(IMutableForeignKey relationship in foreignKeys) | ||
| { | ||
| relationship.DeleteBehavior = DeleteBehavior.Restrict; | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } |
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118 changes: 0 additions & 118 deletions
118
src/Fluxera.Repository.EntityFrameworkCore/ModelBuilderExtensions.cs
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