getDocs: function()

in modules/services/wikidata.js [149:221]
63 lines of code
21 McCabe index (conditional complexity)

    getDocs: function(params, callback) {
        var langs = this.languagesToQuery();
        this.entityByQID(params.qid, function(err, entity) {
            if (err || !entity) {
                callback(err || 'No entity');
                return;
            }

            var i;
            var description;
            for (i in langs) {
                let code = langs[i];
                if (entity.descriptions[code] && entity.descriptions[code].language === code) {
                    description = entity.descriptions[code];
                    break;
                }
            }
            if (!description && Object.values(entity.descriptions).length) description = Object.values(entity.descriptions)[0];

            // prepare result
            var result = {
                title: entity.id,
                description: description ? description.value : '',
                descriptionLocaleCode: description ? description.language : '',
                editURL: 'https://www.wikidata.org/wiki/' + entity.id
            };

            // add image
            if (entity.claims) {
                var imageroot = 'https://commons.wikimedia.org/w/index.php';
                var props = ['P154','P18'];  // logo image, image
                var prop, image;
                for (i = 0; i < props.length; i++) {
                    prop = entity.claims[props[i]];
                    if (prop && Object.keys(prop).length > 0) {
                        image = prop[Object.keys(prop)[0]].mainsnak.datavalue.value;
                        if (image) {
                            result.imageURL = imageroot + '?' + utilQsString({
                                title: 'Special:Redirect/file/' + image,
                                width: 400
                            });
                            break;
                        }
                    }
                }
            }

            if (entity.sitelinks) {
                var englishLocale = localizer.languageCode().toLowerCase() === 'en';

                // must be one of these that we requested..
                for (i = 0; i < langs.length; i++) {   // check each, in order of preference
                    var w = langs[i] + 'wiki';
                    if (entity.sitelinks[w]) {
                        var title = entity.sitelinks[w].title;
                        var tKey = 'inspector.wiki_reference';
                        if (!englishLocale && langs[i] === 'en') {   // user's locale isn't English but
                            tKey = 'inspector.wiki_en_reference';    // we are sending them to enwiki anyway..
                        }

                        result.wiki = {
                            title: title,
                            text: tKey,
                            url: 'https://' + langs[i] + '.wikipedia.org/wiki/' + title.replace(/ /g, '_')
                        };
                        break;
                    }
                }
            }

            callback(null, result);
        });
    }