jellyfin-web/dashboard-ui/scripts/moviesrecommended.js

(function ($, document) {

    function getView() {

        return 'Poster';
    }

    function getResumeView() {

        return 'Thumb';
    }

    function enableScrollX() {
        return $.browser.mobile && AppInfo.enableAppLayouts;
    }

    function getPortraitShape() {
        return enableScrollX() ? 'overflowPortrait' : 'portrait';
    }

    function getThumbShape() {
        return enableScrollX() ? 'overflowBackdrop' : 'backdrop';
    }

    function loadLatest(page, userId, parentId) {

        var limit = 18;

        var options = {

            IncludeItemTypes: "Movie",
            Limit: limit,
            Fields: "PrimaryImageAspectRatio,MediaSourceCount,SyncInfo",
            ParentId: parentId,
            ImageTypeLimit: 1,
            EnableImageTypes: "Primary,Backdrop,Banner,Thumb"
        };

        ApiClient.getJSON(ApiClient.getUrl('Users/' + userId + '/Items/Latest', options)).done(function (items) {

            var view = getView();
            var html = '';

            if (view == 'PosterCard') {

                html += LibraryBrowser.getPosterViewHtml({
                    items: items,
                    lazy: true,
                    shape: getPortraitShape(),
                    overlayText: false,
                    showTitle: true,
                    showYear: true,
                    cardLayout: true,
                    showDetailsMenu: true

                });

            } else if (view == 'Poster') {

                html += LibraryBrowser.getPosterViewHtml({
                    items: items,
                    shape: getPortraitShape(),
                    centerText: true,
                    lazy: true,
                    overlayText: true,
                    showDetailsMenu: true
                });
            }

            $('#recentlyAddedItems', page).html(html).lazyChildren();
        });
    }

    function loadResume(page, userId, parentId) {

        var screenWidth = $(window).width();

        var options = {

            SortBy: "DatePlayed",
            SortOrder: "Descending",
            IncludeItemTypes: "Movie",
            Filters: "IsResumable",
            Limit: screenWidth >= 1920 ? 6 : (screenWidth >= 1600 ? 4 : 3),
            Recursive: true,
            Fields: "PrimaryImageAspectRatio,MediaSourceCount,SyncInfo",
            CollapseBoxSetItems: false,
            ParentId: parentId,
            ImageTypeLimit: 1,
            EnableImageTypes: "Primary,Backdrop,Banner,Thumb"
        };

        ApiClient.getItems(userId, options).done(function (result) {

            if (result.Items.length) {
                $('#resumableSection', page).show();
            } else {
                $('#resumableSection', page).hide();
            }

            var view = getResumeView();
            var html = '';

            if (view == 'ThumbCard') {

                html += LibraryBrowser.getPosterViewHtml({
                    items: result.Items,
                    preferThumb: true,
                    shape: getThumbShape(),
                    showTitle: true,
                    showYear: true,
                    lazy: true,
                    cardLayout: true,
                    showDetailsMenu: true

                });

            } else if (view == 'Thumb') {

                html += LibraryBrowser.getPosterViewHtml({
                    items: result.Items,
                    preferThumb: true,
                    shape: getThumbShape(),
                    overlayText: true,
                    showTitle: true,
                    lazy: true,
                    showDetailsMenu: true,
                    overlayPlayButton: true
                });
            }

            $('#resumableItems', page).html(html).lazyChildren();

        });
    }

    function getRecommendationHtml(recommendation) {

        var html = '';

        var title = '';

        switch (recommendation.RecommendationType) {

            case 'SimilarToRecentlyPlayed':
                title = Globalize.translate('RecommendationBecauseYouWatched').replace("{0}", recommendation.BaselineItemName);
                break;
            case 'SimilarToLikedItem':
                title = Globalize.translate('RecommendationBecauseYouLike').replace("{0}", recommendation.BaselineItemName);
                break;
            case 'HasDirectorFromRecentlyPlayed':
            case 'HasLikedDirector':
                title = Globalize.translate('RecommendationDirectedBy').replace("{0}", recommendation.BaselineItemName);
                break;
            case 'HasActorFromRecentlyPlayed':
            case 'HasLikedActor':
                title = Globalize.translate('RecommendationStarring').replace("{0}", recommendation.BaselineItemName);
                break;
        }

        html += '<div class="homePageSection">';
        html += '<h1 class="listHeader">' + title + '</h1>';

        if (enableScrollX()) {
            html += '<div class="hiddenScrollX">';
        } else {
            html += '<div>';
        }

        var view = getView();

        if (view == 'PosterCard') {

            html += LibraryBrowser.getPosterViewHtml({
                items: recommendation.Items,
                lazy: true,
                shape: getPortraitShape(),
                overlayText: false,
                showTitle: true,
                showYear: true,
                cardLayout: true,
                showDetailsMenu: true

            });

        } else if (view == 'Poster') {

            html += LibraryBrowser.getPosterViewHtml({
                items: recommendation.Items,
                shape: getPortraitShape(),
                centerText: true,
                lazy: true,
                overlayText: true,
                showDetailsMenu: true
            });
        }
        html += '</div>';
        html += '</div>';

        return html;
    }

    function loadSuggestions(page, userId, parentId) {

        var screenWidth = $(window).width();

        var url = ApiClient.getUrl("Movies/Recommendations", {

            userId: userId,
            categoryLimit: screenWidth >= 1200 ? 4 : 3,
            ItemLimit: screenWidth >= 1920 ? 9 : (screenWidth >= 1600 ? 8 : (screenWidth >= 1200 ? 7 : 6)),
            Fields: "PrimaryImageAspectRatio,MediaSourceCount,SyncInfo",
            ImageTypeLimit: 1,
            EnableImageTypes: "Primary,Backdrop,Banner,Thumb"
        });

        ApiClient.getJSON(url).done(function (recommendations) {

            if (!recommendations.length) {

                $('.noItemsMessage', page).show();
                $('.recommendations', page).html('');
                return;
            }

            var html = recommendations.map(getRecommendationHtml).join('');

            $('.noItemsMessage', page).hide();
            $('.recommendations', page).html(html).lazyChildren();
        });
    }

    function loadSuggestionsTab(page) {

        var parentId = LibraryMenu.getTopParentId();

        var userId = Dashboard.getCurrentUserId();

        var containers = page.querySelectorAll('.itemsContainer');
        if (enableScrollX()) {
            $(containers).addClass('hiddenScrollX');
        } else {
            $(containers).removeClass('hiddenScrollX');
        }

        if (LibraryBrowser.needsRefresh(page)) {
            loadResume(page, userId, parentId);
            loadLatest(page, userId, parentId);

            if (AppInfo.enableMovieHomeSuggestions) {
                loadSuggestions(page, userId, parentId);
            }
        }
    }

    function loadTab(page, index) {

        page = page.querySelector('.pageTabContent[data-index=\'' + index + '\']');

        switch (index) {

            case 0:
                loadSuggestionsTab(page);
                break;
            default:
                break;
        }
    }

    $(document).on('pageinitdepends', "#moviesRecommendedPage", function () {

        var page = this;

        $('.recommendations', page).createCardMenus();

        var tabs = page.querySelector('paper-tabs');
        var pages = page.querySelector('neon-animated-pages');

        LibraryBrowser.configurePaperLibraryTabs(page, tabs, pages);

        $(tabs).on('iron-select', function () {
            var selected = this.selected;

            if (LibraryBrowser.navigateOnLibraryTabSelect()) {

                if (selected) {
                    Dashboard.navigate('movies.html?tab=' + selected);
                } else {
                    Dashboard.navigate('movies.html');
                }

            } else {
                page.querySelector('neon-animated-pages').selected = selected;
            }
        });

        $(pages).on('tabchange', function () {
            loadTab(page, parseInt(this.selected));
        });

    }).on('pageshowready', "#moviesRecommendedPage", function () {

        var page = this;

        if (!page.getAttribute('data-title')) {

            var parentId = LibraryMenu.getTopParentId();

            if (parentId) {

                ApiClient.getItem(Dashboard.getCurrentUserId(), parentId).done(function (item) {

                    page.setAttribute('data-title', item.Name);
                    LibraryMenu.setTitle(item.Name);
                });


            } else {
                page.setAttribute('data-title', Globalize.translate('TabMovies'));
                LibraryMenu.setTitle(Globalize.translate('TabMovies'));
            }
        }

    });

})(jQuery, document);