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Fixed init of DbReverseForeignObject generic list detection and extraction

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Railz 2019-09-30 14:54:43 +02:00
parent 3784108a4e
commit 7365ffbee6
1 changed files with 20 additions and 3 deletions
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23
Database-Attribute_System/Attributes/DbReverseForeignObject.cs
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@ -32,14 +32,31 @@ namespace eu.railduction.netcore.dll.Database_Attribute_System.Attributes
this.classAttribute = classAttribute;
this.foreignObjectType = fi.FieldType;
// Init foreign-object class
DbObject foreignClassAttribute = ClassAction.Init(this.foreignObjectType);
if (classAttribute.primaryKeyAttributes.Count < 1) throw new InvalidOperationException($"'{classAttribute.parentClassType.Name}' does not have a primaryKey.");
if (classAttribute.primaryKeyAttributes.Count > 1) throw new InvalidOperationException($"ReverseForeignObject does not support multiple primaryKeys.");
// Get primaryKey name if none is set
if (_foreignKeyName == null) _foreignKeyName = classAttribute.primaryKeyAttributes[0]._attributeName;
// If its a List, get inner type
if (!(fi.FieldType.IsGenericType && (fi.FieldType.GetGenericTypeDefinition() == typeof(List<>))))
{
// Check the generic list and get inner-type
foreach (Type interfaceType in fi.FieldType.GetInterfaces())
{
if (interfaceType.IsGenericType &&
interfaceType.GetGenericTypeDefinition()
== typeof(IList<>))
{
foreignObjectType = fi.FieldType.GetGenericArguments()[0];
break;
}
}
if (foreignObjectType == null) throw new InvalidOperationException("Could not read innter-type of generic-list!");
}
// Init inner-type class
DbObject foreignClassAttribute = ClassAction.Init(foreignObjectType);
// Check if my primary-key is set in the foreign-class as foreignKey
DbPrimaryKey primaryKey = classAttribute.primaryKeyAttributes[0];
foreach (DbForeignKey foreignKey in foreignClassAttribute.foreignKeyAttributes)