First commit

framework/server/collection/collection.queryChildren.js

@@ -0,0 +1,123 @@
+/*
+
+	Copyright (c) 2020, 2023, The Unified Company.
+
+	This code is part of Unify.
+
+	This program is free software; you can redistribute it and/or modify
+	it under the terms of the ESA Software Community License - Strong Copyleft LICENSE,
+	as published by the ESA.
+	See the ESA Software Community License - Strong Copyleft LICENSE, for more details.
+
+	https://unifyjs.org 
+
+*/
+
+import querySQL					from '../../unify/querySQL.js';
+
+import joinSQL	 				from '../../unify/joinSQL.js';
+
+import tools	 				from '../../unify/tools.js';
+
+
+export default class queryChildren{
+
+	queryType		= "select";
+
+	type			= "collectionQuery"
+
+	__className		= "queryChildren"
+	
+	createQuery( joinTableName, joinQuery, id ) {
+
+		var query 				= new querySQL( );
+
+		query.type				= this.queryType;
+
+		query.table 			= joinTableName;
+
+		query.debug				= joinQuery.debug;
+
+		query.find( this.collection.getLeft() + "_id", id );
+
+
+		return query;
+
+	}
+
+	createJoin( joinQuery ) {
+
+		var join = new joinSQL(  joinQuery );
+
+		join.table 			= this.collection.tableName;
+
+		join.name 			= join.table;
+		
+		join.left.table		= join.name;
+
+		join.right.column	= this.collection.getRight() + "_id";
+
+		join.find( "signed", true );
+
+		return join;
+
+	}
+
+	query( joinQuery, filterObject ) {
+
+
+		var object				= this.collection.getObject();
+
+
+		var leftTable 			= this.collection.getParentName();
+
+		var rightTable			= object.propertyName;
+
+
+		var id					= this.collection.getID( object );
+
+		if( !id ) {
+
+			if( this.collection.parent ) {
+
+				var id = this.collection.parent.id;
+
+			}
+
+		}
+
+		var joinTableName 		= leftTable + "_" + rightTable;
+
+		var query				= this.createQuery( joinTableName, joinQuery, id );
+		
+		var join				= this.createJoin( joinQuery, join );
+
+
+		if( filterObject ) {
+
+			this.collection.filterQuery( join, filterObject )
+
+
+
+			if( filterObject.search ) {
+
+				//console.log("searchQuery", join, filterObject);
+
+				this.collection.searchQuery( join, filterObject );
+
+			}
+
+		}
+
+
+		join.setFilterAddress("./");
+
+		query.addJoin( join );
+
+		var result = global.database.query( query );
+
+		return result;
+	
+	}
+
+}