User:Abel/common.js

console.log('+');
var controller_item_id = 96,
    personal_data_id = 421,
    interface_button_id = 487;
    
var wbEStruct = {
		subclassOfRelations: 'claims.P4', // location of P3 relations in wbEntity
		defaultValRelation: 'claims.P108',
		instanceOfRelations: 'claims.P3',
                IDPropLoc:	'mainsnak.datavalue.value', // location of ID properties in related entity
		IDName:		'numeric-id', // ID property name which checked 
		qIDPropName: 'id'
}; 

// check if we are on a page of a loaded Entity

if ( iterAcheckBC('instanceOfRelations', 'IDPropLoc', 'IDName', controller_item_id) ) {
    controller_display_function();
}

if ( iterAcheckBC('subclassOfRelations', 'IDPropLoc', 'IDName', personal_data_id) ) {
    input_display_function();
}

if ( iterAcheckBC('subclassOfRelations', 'IDPropLoc', 'IDName', interface_button_id) ) {
    data_maintenance_display();
}

function controller_display_function(){
				console.log( "it's a controller" )		
				var qId = obj[wbEStruct["qIDPropName"]];
				var api = new mw.Api();
				api.get( {
				    action: 'expandtemplates',
				    text: '{{MailtoAccess|'+qId+'}}'
				} ).done( function ( data ) {
				    mw.notify( $('<a href="'+data.expandtemplates["*"]+'"> Do a SAR to this controller!</a>') , { autoHide: false } );
				} );
}

function input_display_function() {
				console.log( "it's a personal data item" )		
				obj[wbEStruct["qIDPropName"]]

			    mw.notify( $'(<input type="text" placeholder="'+ checkAgetB("defaultValRelation", "IDPropLoc")+'" id="' + getA("qIDPropName") + '"/>', { autoHide: false } );

}

function data_maintenance_display() {

}

function getA( rel_A ){
    if ( typeof check(obj, wbEStruct[ rel_A ]) != "undefined" ) {
		return dive(obj,wbEstruct[ rel_A ]);
	}
}

function checkAgetB ( rel_A, rel_B ) {
	if ( typeof mw.config.values.wbEntity !=  "undefined" ) {
        console.log( "entity is defined" )
	    // get wbEntity as json
	    var obj = JSON.parse ( mw.config.values.wbEntity );
	    console.log( "parsed object" )
	    // check if we have rel_A relations and iterate through
	    if ( typeof check( check( obj, wbEStruct[ rel_A ]), [ rel_B ] )  != "undefined" ) {
			console.log( "object has " + rel_A + " relations" );
			return dive( dive( obj, wbEStruct[ rel_A ]), wbEStruct [ rel_B ]);
		}
	}
}

function iterAcheckBC ( rel_A, rel_B, rel_C, to_check ) {
	if ( typeof mw.config.values.wbEntity !=  "undefined" ) {
        console.log( "entity is defined" )
	    // get wbEntity as json
	    var obj = JSON.parse ( mw.config.values.wbEntity );
	    console.log( "parsed object" )
	    // check if we have rel_A relations and iterate through
	    if ( typeof check( obj, wbEStruct[ rel_A ] ) != "undefined" ) {
		console.log( "object has " + rel_A + " relations" );
		for( var i = 0; i < dive( obj, wbEStruct[ rel_A ] ).length; i++ ) {
			console.log("dived in");		
			// check if we have controller id constructed from wbEntity 
			if( dive( dive( obj, wbEStruct[ rel_A ])[i] , wbEStruct[ rel_B ])[wbEStruct[ rel_C ]] === to_check ) {
				return true;
			}
		}
	}
	// Else let's do nothing;
	}
}	

function indexinterpolate(obj,i) { return  (obj[i] != undefined) ? obj[i] : obj}; 
// helper function for checking a part of an array exists
function indexcheck(obj,i) {  return  (obj[i] != undefined) ? obj[i] : undefined };
// dive selects matrix.a.b.c.d from the array called matrix and 'a.b.c.d' as string
// if a.b.c.d does not exists, it returns the substructure until the substructure exists, if d does not exist, it returns matrix.a.b.c e.g.
function dive(array, read){
	return read.split('.').reduce(indexinterpolate, array);
}
function check(array, read){
	return read.split('.').reduce(indexcheck, array);
}