php 神圣的史诗列表页面，蝙蝠侠！

Posted 2021-05-04

<?php
/**
 * Template Name: Listing Page
 */
$context = Timber::get_context();
$post = new TimberPost();
$context['post'] = $post;
$context['title'] = $post->get_title();

$paged = (get_query_var('paged')) ? get_query_var('paged') : 1;

$listing_args = array(
    // 'posts_per_page' => -1,
    'posts_per_page' => (get_field('posts_per_page')) ? (int)get_field('posts_per_page') : 12,
    'post_type' => get_field('post_type'),
    'paged' => $paged,
    'orderby' => (get_field('post_type') == 'person') ? '' : (get_field('orderby')) ? get_field('orderby') : 'date',
    'order' => (get_field('sort')) ? get_field('sort') : 'ASC',
    'ignore_sticky_posts' => true,
    'has_password' => FALSE,
);


// This stuff needs to happen before the query
if (get_field('post_type') == 'post') {
    $tax_slug = 'category';
    if (get_field('stories_switch') == 'true') {
        // echo("we're looking for stories");
        if (!empty($_GET['category'])) {
            $queryCategory = $_GET['category'];
            $tax_term = $queryCategory;
            $tax_field = 'slug';
            $context['current_category'] = get_category_by_slug($queryCategory);
        }
    } else {
        // echo("we're looking for posts");
        $tax_term = get_field('post_cat');
    }    
} elseif (get_field('post_type') == 'faq') {
    // echo("we're looking for faqs");
    $tax_slug = 'post_tag_inm';
    $tax_term = get_field('faq_tag');
   
} elseif (get_field('post_type') == 'partner') {
    // echo("we're looking for partners");
    $tax_slug = 'partner_type';
    $tax_term = get_field('partner_cat');

// } elseif (get_field('post_type') == 'person') {
//     // echo("we're looking for people");
//     $tax_slug = 'person_role';
//     $tax_term =get_field('person_cat');
}

if (!empty($tax_term)) {
    // echo("hey, the tax_term isn't empty!");
    $listing_args['tax_query']  = [
        [
            'taxonomy' => $tax_slug,
            'terms' => $tax_term,
            'field' => !empty($tax_field) ? $tax_field : 'term_id'
        ]
    ];
} 


if (get_field('post_type') != 'video' && get_field('post_type') != 'person') {
    // Here's the QUERY!!!
    $context['listing_items'] = Timber::get_posts($listing_args);
    // And the pagination:
    query_posts($listing_args);
    $context['pagination'] = Timber::get_pagination();
} 

if(get_field('post_type') == 'video' || get_field('post_type') == 'person') {
    // This is a method for paginating ACF galleries from
    // https://aiocollective.com/blog/pagination-with-gallery-field-advanced-custom-fields/
    // I'm hoping I can make it work with ACF repeater fields and Timber
    https://aiocollective.com/blog/pagination-with-gallery-field-advanced-custom-fields/

    // Instead of a query, just get the repeater contents
    if (get_field('post_type') == 'video') {
        $list_of_items = get_field('videos'); // get all the items
    } else {
        $list_of_items = get_field('people'); // get all the items
    }

    //Setup pagination variables
    $current_page_items = array(); // Set listing item array for current page

    $items_per_page  = (get_field('posts_per_page')) ? (int)get_field('posts_per_page') : 12; // How many items we should display on each page
    $total_items = count($list_of_items); // How many items we have in total
    $total_pages = ceil($total_items / $items_per_page); // How many pages we have in total
    //Get current page
    if ( get_query_var( 'paged' ) ) {
        $current_page = get_query_var( 'paged' );
    }elseif ( get_query_var( 'page' ) ) {
        //this is just in case some odd rewrite, but paged should work instead of page here
        $current_page = get_query_var( 'page' );
    }else{
        $current_page = 1;
    }
    $starting_point = (($current_page-1)*$items_per_page); // Get starting point for current page

    // Get elements for current page
    if($list_of_items){
        $current_page_items = array_slice($list_of_items,$starting_point,$items_per_page);
    }

    if(!empty($current_page_items)){
        //your gallery loop here

        // FUCK THE LOOP, LET'S TRY TIMBER
        $context['listing_items'] = $current_page_items;
    }

    // And our pagination
    $big = 999999999; // need an unlikely integer
    $page_links = paginate_links(array(
        'base' => str_replace( $big, '%#%', esc_url( get_pagenum_link( $big ) ) ),
        'format' => '?paged=%#%',
        'current' => $current_page,
        'total' => $total_pages,
        'prev_text' => 'Previous',
        'next_text' => 'Next',
        'prev_next' => false,
        'type' => 'array'
    ));

    // In order for my pagination to look like Timber's pagination, I needed to have next and previous links on every page, (I'll set visibility: hidden when they're disabled but they still need to exist and take up space) which isn't possible with paginate_links(). So I followed some instructions at https://wordpress.stackexchange.com/questions/52638/pagination-how-do-i-always-show-previous and generated my next and previous links manually.

    if (!empty($page_links)) {
        if ($current_page == 1 ) {
            $prev_link = '<span class="page-numbers prev disabled">Previous</span>';
        } else {
            $prev_link = '<a class="page-numbers prev" href="' . get_page_link() . 'page/' . ($current_page - 1) . '/">Previous</a>';
        }
    
        if ($current_page == $total_pages ) {
            $next_link = '<span class="page-numbers next disabled">Next</span>';
        } else {
            $next_link = '<a class="page-numbers next" href="' . get_page_link() . 'page/' . ($current_page + 1) . '/">Next</a>';
        }
    
        array_unshift($page_links, $prev_link);
        $page_links[] = $next_link;
    
        $pagination = implode($page_links);
    }
    

    if(!empty($pagination)) {
        $context['pagination'] = $pagination;
    }
}



// Ok, now we need to translate the query data for our dumb templates. Some stuff is specific per post type...

if (get_field('post_type') != 'video' && get_field('post_type') != 'person') {
    // Get all the category names and links for each item and format them for the twig template :)
    foreach($context['listing_items'] as &$listing_item) {
        // Do whatever processing is needed to display the item.
        
        if(!empty($tax_slug)) {
            $terms = get_the_terms( $listing_item->id, $tax_slug );
        }
        if(!empty($terms)) {
            $listing_item->labels = [];
            if (get_field('post_type') == 'post' && get_field('stories_switch') == 'true') {
                foreach($terms as $term) {
                    $listing_item->labels[] = [
                        'label' => $term->name, 
                        'link' => get_page_link() . '?category=' . $term->slug
                    ];
                }
            } else {
                foreach($terms as $term) {
                    $listing_item->labels[] = [
                        'label' => $term->name
                    ];
                }
            }
        }
        if (!empty($listing_item->get_field('social_media_links'))) {
            $listing_item->social_links = $listing_item->get_field('social_media_links');
        }
        $listing_item->teaser = $listing_item->preview();
        if(get_field('post_type') == 'partner') {
            $listing_item->image = wp_get_attachment_image( get_post_thumbnail_id($listing_item->id), 'logo');  
        } else {
            $listing_item->image = wp_get_attachment_image( get_post_thumbnail_id($listing_item->id), 'squarish', null , [ "sizes" => "(min-width: 992px) 25vw, (min-width: 768px) 33vw, (min-width: 576px) 50vw, 100vw"]);
        }
    }
} elseif(get_field('post_type') == 'person')  {
    if(!empty($context['listing_items'])) {
        foreach($context['listing_items'] as &$listing_item) {
            // Do whatever processing is needed to display the item.
    
            $listing_item = $listing_item['person'];
    
            $listing_item->title = $listing_item->post_title;
            
            $listing_item->content = apply_filters('the_content', get_post_field('post_content', $listing_item->ID));
            
            if (!empty(get_field('person_title', $listing_item->ID))) {
                $listing_item->labels = [];
                $listing_item->labels[] = [
                    'label' => get_field('person_title', $listing_item->ID)
                ];
            }
            if (!empty(get_field('social_media_links', $listing_item->ID))) {
                $listing_item->social_links = get_field('social_media_links', $listing_item->ID);
            }
            
            $listing_item->image = get_the_post_thumbnail($listing_item->ID, 'squarish', [ "sizes" => "(min-width: 992px) 25vw, (min-width: 768px) 33vw, (min-width: 576px) 50vw, 100vw"]);
        }
    }
    
} else {
    foreach ($context['listing_items'] as &$listing_item) {
        $listing_item['post_type']  = 'video';
    }
}

// We HAVE to unset the reference from our foreach loop or it will overwrite the last item in the results with the 2nd to last item!
// http://schlueters.de/blog/archives/141-References-and-foreach.html 
unset($listing_item);


// the story page gets post categories in the place of the local menu
if (get_field('post_type') == 'post' && get_field('stories_switch') == 'true') {
    $categories = get_categories( array(
        'orderby' => 'name',
        'order'   => 'ASC',
        'hide_empty' => '1'
        ) );
    
    $local_menu = [[
        'title' => 'All',
        'link' => get_page_link()
    ]];
    
    foreach($categories as $category) {
        $local_menu[] = [
            'title' => $category -> name,
            'link' => get_page_link() . '?category=' . $category -> slug
        ];
    }

} else {
    // other pages get to choose a menu
    if($post->get_field('local_menu')) {
        $local_menu_items = new TimberMenu($post->get_field('local_menu'));

        $local_menu = [];
    
        foreach($local_menu_items->items as $local_menu_item) {
            $local_menu[] = [
            'title' => $local_menu_item->name,
            'link' => $local_menu_item->url
            ];
        }
    }
}

if (!empty($local_menu)) {
    $context['local_menu'] = $local_menu;
}

$context['listing_page_description'] = $post->get_field('listing_page_description');

$context['listing_page_post_type'] = (get_field('post_type')) ? get_field('post_type') : 'post';

Timber::render( array( 'page/page-listing.twig'), $context );