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Extension:TopicTags/JS-Common.js

// Get Tag name from query-string
var urlParams = new URLSearchParams(window.location.search);
var sTag = (urlParams.get('Tag')); 

// Get Description
// http://scraping.pro/web-scraping-with-javascript-load-html-page/
xmlhttp=new XMLHttpRequest();
xmlhttp.open("GET", "/index.php/Template:TagDescription?action=render&Tag=" + sTag, false);
xmlhttp.send();
var sDescription = xmlhttp.responseText;
// sDescription = $(sDescription).text();  // strip HTML, else it gets into storage page

// NOT WORKING, WOULD BE PREFERABLE
/*
var apix = new mediaWiki.Api();
var mwTitle = new mediaWiki.Title( 'Portal:TagDescriptions', 3004); // this would have to be changed to determine the correct namespace number
                                                                    // before calling mediawiki.Title(), since Portal is a custom namespace
                                                                    // and many wikis may not have it as namespace number 3004
alert (mwTitle.getName());
apix.parse(mwTitle,
	{section:1}
	)
	.done(function(result,jqXHR)
		{alert("done");}
		)
*/



// NOT WORKING, BUT PREFERABLE CUZ SIMPLER
// https://www.tutorialspoint.com/jquery/ajax-jquery-get.htm
/*
$.get("/index.php/Template:TagDescription?action=render&Tag=CommonGround",function(html){
  var sDescription = $(html);
});
*/


// Draw Form
var sExtraHTML = '<div contenteditable="true" style="width:95%; min-height:20px; border:1px solid; border-radius:20px; outline-offset:-10px; padding:10px">';
$('#txtBox').html(sExtraHTML + sDescription + '</div>');
$('#btnSave').html('<button>Save</button>');



// Handle events
// https://www.mediawiki.org/wiki/API:Edit#Parameters
// https://www.mediawiki.org/w/index.php?title=Topic:S8dvml33u43d2joy&topic_showPostId=s8dvmk8eivd9su01#flow-post-s8dvmk8eivd9su01

$(document).on('click', '#btnSave', function () {

    // get new description
    var sNewDescription =   $('#txtBox').html();

    // remove extra HTML before comparing
    sNewDescription = sNewDescription.substring(sExtraHTML.length, sNewDescription.length-6);

    // if no change, exit
    if (String(sNewDescription) == String(sDescription)) {
        return;}

    // if get here, we have new description

    // if tag-section not found, add new section to Descriptions page
    
    // Get Section ID, to confirm existence
    xmlhttp=new XMLHttpRequest();
    xmlhttp.open("GET", "/index.php/Template:SectionIDUrl?action=render&Page=Portal:TagDescriptions&Section=" + sTag, false);
    xmlhttp.send();
    var sSectionID = xmlhttp.responseText;
    sSectionID = $(sSectionID).text();
    var iSectionID = parseInt(sSectionID);
    var bExists = (iSectionID>0);

    if (!bExists) {
 // create new section. 

    var api = new mediaWiki.Api(); 
    api.postWithToken( "edit", {
        action: "edit",
        title: "Portal:TagDescriptions",
        section: "new",
        summary: "",
        text: sNewDescription,
        sectiontitle: sTag
    } ).done( function( result, jqXHR ) {
        alert( "Saved successfully" );
        // remember new description
        sDescription = sNewDescription;


    } ).fail( function( code, result ) {
        if ( code === "http" ) {
            alert( "HTTP error: " + result.textStatus ); // result.xhr contains the jqXHR object
        } else if ( code === "ok-but-empty" ) {
            alert( "Got an empty response from the server" );
        } else {
            alert( "API error: " + code );
        }
    })
    }

    else {   // edit existing section
        var api = new mediaWiki.Api(); 
        api.postWithToken( "edit", 
            {
                action: "edit",
                title: "Portal:TagDescriptions",
                section: iSectionID,
                text: "== " + sTag + " == \n" + sNewDescription
                }
            )
            .done(function( result, jqXHR ) 
                {
                    alert( "Saved successfully" );
                    // remember new description
                    sDescription = sNewDescription;
                    }
                )
            
            .fail( function( code, result ) 
                {
                if ( code === "http" ) 
                    {
                    alert( "HTTP error: " + result.textStatus ); // result.xhr contains the jqXHR object
                    } 
                    else if ( code === "ok-but-empty" ) 
                        {
                        alert( "Got an empty response from the server" );
                        } 
                    else 
                        {
                        alert( "API error: " + code );
                        }
                }
            )
        }
});