Make model code compileable

This disables some application level logic, but I'm going to rewrite
that using Lager anyway.

core/codegen/object_implementation.hbs

@@ -1,9 +1,10 @@
-{{className}}::{{className}}(QObject *parent) {}
+{{className}}::{{className}}() {}
 
 
 {{className}} {{className}}::fromJson(QJsonObject source) {
+	
 	{{className}} instance;
-	instance->setFromJson(source, false);
+	instance.setFromJson(source);
 	return instance;
 }
 
@@ -11,7 +12,7 @@
 void {{className}}::setFromJson(QJsonObject source) {
 
 	{{#each properties as |property|}}
-	{{property.memberName}} = fromJsonValue<{{property.typeNameWithQualifiers}}>(source["{{property.originalName}}"]);
+	{{property.memberName}} = {{supportNamespace}}::fromJsonValue<{{property.typeNameWithQualifiers}}>(source["{{property.originalName}}"]);
 
 	{{/each}}
 
@@ -21,7 +22,7 @@ QJsonObject {{className}}::toJson() {
 	QJsonObject result;
 
 	{{#each properties as |property|}}
-	result["{{property.originalName}}"] = toJsonValue<{{property.typeNameWithQualifiers}}>({{property.memberName}});
+	result["{{property.originalName}}"] = {{supportNamespace}}::toJsonValue<{{property.typeNameWithQualifiers}}>({{property.memberName}});
 
 	{{/each}}
 
@@ -46,3 +47,16 @@ void {{className}}::setNull() {
 	{{property.nullableSetter}};
 }
 {{/each}}
+
+} // NS DTO
+
+namespace Support {
+
+using {{className}} = Jellyfin::DTO::{{className}};
+
+template <>
+
+{{className}} fromJsonValue<{{className}}>(const QJsonValue &source) {
+	if (!source.isObject()) throw new ParseException("Expected JSON Object");
+	return {{className}}::fromJson(source.toObject());
+}