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Added n-m relation mapping

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Leon Hoppe
2025-01-28 12:09:16 +01:00
parent 62e4daf60d
commit c8a342986b
5 changed files with 62 additions and 14 deletions
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27
src/HopFrame.Core/Services/Implementations/ContextExplorer.cs
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@@ -1,6 +1,7 @@
using System.Text.Json;
using HopFrame.Core.Config;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
namespace HopFrame.Core.Services.Implementations;
@@ -56,15 +57,35 @@ internal sealed class ContextExplorer(HopFrameConfig config, IServiceProvider pr
private void SeedTableData(TableConfig table) {
if (table.Seeded) return;
var dbContext = (provider.GetService(table.ContextConfig.ContextType) as DbContext)!;
var dbContext = (provider.GetRequiredService(table.ContextConfig.ContextType) as DbContext)!;
var entity = dbContext.Model.FindEntityType(table.TableType)!;
foreach (var propertyConfig in table.Properties) {
if (propertyConfig.IsListingProperty) continue;
if (propertyConfig.IsRelation) continue;
var prop = entity.FindProperty(propertyConfig.Info.Name);
if (prop is not null) continue;
var nav = entity.FindNavigation(propertyConfig.Info.Name);
if (nav is null) continue;
if (nav is null) {
if (!propertyConfig.Info.PropertyType.IsGenericType) continue;
var relationType = propertyConfig.Info.PropertyType.GenericTypeArguments[0];
var isRelation = entity.Model.GetEntityTypes()
.Select(e => e.GetForeignKeys())
.Any(keys => keys
.Select(k => k.PrincipalEntityType.ClrType)
.Any(t => t == relationType || t == table.TableType));
if (!isRelation) continue;
propertyConfig.IsRelation = true;
propertyConfig.IsRequired = false;
propertyConfig.IsEnumerable = true;
continue;
}
propertyConfig.IsRelation = true;
propertyConfig.IsRequired = nav.ForeignKey.IsRequired;
propertyConfig.IsEnumerable = nav.IsCollection;
@@ -74,7 +95,7 @@ internal sealed class ContextExplorer(HopFrameConfig config, IServiceProvider pr
var propConfig = table.Properties
.Where(prop => !prop.IsListingProperty)
.SingleOrDefault(prop => prop.Info == property.PropertyInfo);
if (propConfig is null) continue;
if (propConfig is null || propConfig.IsRequired) continue;
propConfig.IsRequired = !property.IsNullable;
}