public static IJsonApiDataModel ToObject(this JsonApiResourceIdentifierObject resourceIdentifierObject, Type type)
{
IJsonApiDataModel result = null;
try
{
result = Activator.CreateInstance(type) as IJsonApiDataModel;
result.SetIdFromString(resourceIdentifierObject.Id);
}
catch { }
return(result);
}
public static JsonApiResourceObject Build(IJsonApiDataModel data, bool processRelations)
{
if (data == null)
{
throw new Exception("data is null");
}
JsonApiResourceObject result = new JsonApiResourceObject();
result.Id = data.GetIdAsString();
result.Type = data.GetJsonApiClassName();
var classType = data.GetType();
// sort out properties
var propertyInfos = classType.GetProperties();
var propoertyInfoLookup = propertyInfos.ToLookup(p => GetAttributeGroup(p));
result.Attributes = new Dictionary <string, object>();
foreach (var item in propoertyInfoLookup[AttributeGroup.Primitive])
{
var value = item.GetValueFast(data);
if (value == null && item.JsonIsIgnoredIfNull())
{
continue;
}
result.Attributes.Add(StringUtils.GetAttributeName(item), value);
}
foreach (var item in propoertyInfoLookup[AttributeGroup.PrimitiveCollection])
{
var value = item.GetValueFast(data);
if (value == null && item.JsonIsIgnoredIfNull())
{
continue;
}
result.Attributes.Add(StringUtils.GetAttributeName(item), value);
}
if (result.Attributes.Count < 1)
{
result.Attributes = null;
}
if (!processRelations)
{
return(result);
}
Dictionary <string, RelationShipInfo> relationships = new Dictionary <string, RelationShipInfo>();
foreach (var item in propoertyInfoLookup[AttributeGroup.Reference])
{
var value = item.GetValueFast(data) as IJsonApiDataModel;
var info = new RelationShipInfo {
RelationshipKey = StringUtils.GetRelationShipName(item), RelationshipType = value.GetJsonApiClassName()
};
if (value != null)
{
info.RelationshipIds.Add(value.GetIdAsString());
}
relationships.Add(item.Name, info);
}
foreach (var item in propoertyInfoLookup[AttributeGroup.ReferenceCollection])
{
var value = item.GetValueFast(data) as IEnumerable <IJsonApiDataModel>;
var info = new RelationShipInfo
{
RelationshipKey = StringUtils.GetRelationShipName(item),
RelationshipType = item.PropertyType.GetGenericArguments()[0].GetJsonApiClassName()
};
if (value != null)
{
foreach (var relation in value)
{
info.RelationshipIds.Add(relation.GetIdAsString());
}
}
relationships.Add(item.Name, info);
}
foreach (var item in propoertyInfoLookup[AttributeGroup.PrimitiveId])
{
var value = item.GetValueFast(data);
if (value == null)
{
continue;
}
RelationShipInfo info = null;
var idAttr = item.GetCustomAttribute <JsonApiRelationIdAttribute>();
if (!relationships.TryGetValue(idAttr.PropertyName, out info))
{
throw new Exception($"no reference found for id backing field {idAttr.PropertyName}");
}
info.RelationshipIds.Add(value.ToString());
}
foreach (var item in propoertyInfoLookup[AttributeGroup.PrimitiveIdCollection])
{
var value = item.GetValueFast(data) as IEnumerable;
if (value == null)
{
continue;
}
RelationShipInfo info = null;
var idAttr = item.GetCustomAttribute <JsonApiRelationIdAttribute>();
if (!relationships.TryGetValue(idAttr.PropertyName, out info))
{
throw new Exception($"no reference found for id backing field {idAttr.PropertyName}");
}
foreach (var val in value)
{
info.RelationshipIds.Add(val.ToString());
}
}
result.Relationships = new Dictionary <string, JsonApiRelationshipObjectBase>();
foreach (var r in relationships)
{
if (r.Value.RelationshipIds.Count < 1)
{
continue;
}
if (r.Value.RelationshipIds.Count == 1)
{
var relO = new JsonApiToOneRelationshipObject();
relO.Data = new JsonApiResourceIdentifierObject {
Id = r.Value.RelationshipIds.First(), Type = r.Value.RelationshipType
};
result.Relationships.Add(r.Value.RelationshipKey, relO);
}
else
{
var relO = new JsonApiToManyRelationshipObject();
relO.Data = r.Value.RelationshipIds.Select(i => new JsonApiResourceIdentifierObject {
Id = i, Type = r.Value.RelationshipType
}).ToList();
result.Relationships.Add(r.Value.RelationshipKey, relO);
}
}
if (result.Relationships.Count < 1)
{
result.Relationships = null;
}
return(result);
}
/// <summary>
/// Converts the resource to a object.
/// </summary>
/// <returns></returns>
public static IJsonApiDataModel ToObject(this JsonApiResourceObject resourceObject, Type t, bool processRelations = true)
{
IJsonApiDataModel result = null;
// try to create object from attributes
try
{
if (resourceObject.Attributes == null)
{
result = Activator.CreateInstance(t) as IJsonApiDataModel;
}
else
{
result = JObject.FromObject(resourceObject.Attributes).ToObject(t) as IJsonApiDataModel;
}
result.SetIdFromString(resourceObject.Id);
}
catch { }
if (!processRelations || result == null || resourceObject.Relationships == null || resourceObject.Relationships.Count < 1)
{
return(result);
}
var idPropertyDict = t.GetProperties().Where(p => p.GetCustomAttribute <JsonApiRelationIdAttribute>() != null).ToDictionary(k => k.GetCustomAttribute <JsonApiRelationIdAttribute>().PropertyName, v => v);
Dictionary <string, PropertyInfo> refPropertyDict = null;
Dictionary <string, string> refKeyToName = null;
{
var refProperties = t.GetProperties().Where(p => typeof(IJsonApiDataModel).IsAssignableFrom(p.PropertyType) || typeof(IEnumerable <IJsonApiDataModel>).IsAssignableFrom(p.PropertyType));
refPropertyDict = refProperties.ToDictionary(k => StringUtils.GetRelationShipName(k), v => v);
refKeyToName = refProperties.ToDictionary(k => StringUtils.GetRelationShipName(k), v => v.Name);
}
foreach (var relation in resourceObject.Relationships)
{
if (refKeyToName.TryGetValue(relation.Key, out var propName))
{
if (idPropertyDict.TryGetValue(propName, out var propertyInfo))
{
if (propertyInfo.PropertyType is IEnumerable)
{
var relationConcrete = relation.Value as JsonApiToManyRelationshipObject;
if (relationConcrete.Data != null)
{
propertyInfo.SetValue(result, relationConcrete.Data.Select(r => StringUtils.ConvertId(r.Id, propertyInfo.PropertyType)));
}
}
else
{
var relationConcrete = relation.Value as JsonApiToOneRelationshipObject;
if (relationConcrete.Data != null)
{
propertyInfo.SetValue(result, StringUtils.ConvertId(relationConcrete.Data.Id, propertyInfo.PropertyType));
}
}
}
}
if (refPropertyDict.TryGetValue(relation.Key, out var refInfo))
{
if (refInfo.PropertyType.IsNonStringEnumerable())
{
var innerType = refInfo.PropertyType.GenericTypeArguments[0];
var constructedListType = typeof(List <>).MakeGenericType(innerType);
var collection = Activator.CreateInstance(constructedListType) as IList;
var relationConcrete = relation.Value as JsonApiToManyRelationshipObject;
foreach (var r in relationConcrete.Data)
{
var item = Activator.CreateInstance(innerType) as IJsonApiDataModel;
item.SetIdFromString(r?.Id);
collection.Add(item);
}
refInfo.SetValue(result, collection);
}
else
{
var relationConcrete = relation.Value as JsonApiToOneRelationshipObject;
var item = Activator.CreateInstance(refInfo.PropertyType) as IJsonApiDataModel;
item.SetIdFromString(relationConcrete.Data.Id);
refInfo.SetValue(result, item);
}
}
}
return(result);
}
public static JsonApiResourceObject FromObject(this JsonApiResourceObject resourceObject, IJsonApiDataModel dataModel, bool automaticallyProcessAllRelations = true)
{
return(JsonApiResourceBuilder.Build(dataModel, automaticallyProcessAllRelations));
}
public static void SetIdFromString(this IJsonApiDataModel obj, string stringId)
{
var info = obj.GetType().GetProperty("Id");
info.SetValueFast(obj, BtbrdCoreIdConverters.ConvertFromString(stringId, info.PropertyType));
}
public static string GetIdAsString(this IJsonApiDataModel obj)
{
var info = obj.GetType().GetProperty("Id");
return(BtbrdCoreIdConverters.ConvertToString(info.GetValueFast(obj)));
}
public static string GetJsonApiClassName(this IJsonApiDataModel obj)
{
return(obj.GetType().GetJsonApiClassName());
}
