User:Opencooper/collapseBots.js

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This user script seems to have a documentation page at User:Opencooper/collapseBots.

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// Automatically collapse talk page sections from bots
// License: CC0

function setup() {
    // If we're not reading a talk page, do nothing
    if (!(mw.config.get('wgAction') === 'view'
          && mw.config.get('wgIsArticle')
          && !location.search.split('oldid=')[1] // Old revision
          && mw.config.get('wgNamespaceNumber') % 2 == 1)) { // talk namespaces have odd numbers
        return;
    }
    
    mw.loader.using("jquery.makeCollapsible", function() {
    	var userMappings = {};
    	$(".mw-heading2").each(function() {
    		extractUsers(this, userMappings);
    	});
    	
    	checkBotStatus(userMappings);
    });
}

function extractUsers(header, userMappings) {
	var talkNodes = $(header).nextUntil(".mw-heading2");
	
	var lastSignature = $(talkNodes).find("a[href^='/wiki/User:']").last();
	if (lastSignature.length) {
		var username = lastSignature.text();
		
		// Map each user with their sections
		if (!(username in userMappings)) {
			userMappings[username] = [header];
		} else {
			userMappings[username].push(header);
		}
	}
}

function checkBotStatus(userMappings) {
	var userList = Object.keys(userMappings);
	
    // API docs: https://www.mediawiki.org/wiki/API:Users
    $.ajax({
        url: "https://en.wikipedia.org/w/api.php",
        data: {
            action: "query",
            list: "users",
            format: "json",
            ususers: userList.join("|"),
            usprop: "groups"
        },
        success: function(response) {
        	var botList = [];
        	var responseList = response.query.users;
        	for (var r of responseList) {
        		if (r.groups && r.groups.includes("bot")) {
        			botList.push(r.name);
        	    }
        	}
        	
        	filterUsers(userMappings, botList);
        }
    });
}

// Look for the bots in our mappings
// More convoluted than necessary because API returns usernames in its
// own case, while we use them as keys
function filterUsers(userMappings, botList) {
    var headers = [];
    for (var bot of botList) {
        for (var user in userMappings) {
            if (bot.toLowerCase() == user.toLowerCase()) {
                headers = headers.concat(userMappings[user]);
            }
        }
    }
    
    for (var h of headers) {
        collapseSection(h);
    } 
}

// In-house method: https://www.mediawiki.org/wiki/Manual:Collapsible_elements
function collapseSection(header) {
	var siblings = $(header).nextUntil(".mw-heading2, .collapseBots");
	$(siblings).wrapAll("<div class='mw-collapsible-content'></div>");
	
	// Recompute since we just wrapped all the siblings
	siblings = $(header).next(".mw-collapsible-content");
	var section = $().add(header).add(siblings);
	$(section).wrapAll("<div class='collapseBots mw-collapsed'></div>");
	$(section).parent().makeCollapsible();
}

setup();