PLANET-7527 Move blocks report into master theme

Ref. https://jira.greenpeace.org/browse/PLANET-7527

src/BlockReportSearch/Block/BlockUsage.php

@@ -0,0 +1,292 @@
+<?php
+
+/**
+ * Table displaying blocks usage
+ *
+ * @package P4BKS\Controllers
+ */
+
+namespace P4\MasterTheme\BlockReportSearch\Block;
+
+use WP_Block_Parser;
+use P4\MasterTheme\BlockReportSearch\BlockSearch;
+use P4\MasterTheme\BlockReportSearch\Block\Query\Parameters;
+
+/**
+ * Present block usage, using native WordPress table
+ */
+class BlockUsage
+{
+    /**
+     * @var BlockSearch
+     */
+    private $search;
+
+    /**
+     * @var WP_Block_Parser
+     */
+    private $parser;
+
+    /**
+     * @var int[]
+     */
+    private $posts_ids;
+
+    /**
+     * @var WP_Post[]
+     */
+    private $posts;
+
+    /**
+     * @var array
+     */
+    private $blocks;
+
+    /**
+     * @param BlockSearch     $search Search class.
+     * @param WP_Block_Parser $parser Block parser.
+     */
+    public function __construct(
+        ?BlockSearch $search = null,
+        ?WP_Block_Parser $parser = null
+    ) {
+        $this->search = $search ?? new BlockSearch();
+        $this->parser = $parser ?? new WP_Block_Parser();
+    }
+
+    /**
+     * @param Parameters $params Query parameters.
+     * @return array
+     */
+    public function get_blocks(Parameters $params): array
+    {
+        $this->posts_ids = $this->search->get_posts($params);
+
+        return $this->get_filtered_blocks($this->posts_ids, $params);
+    }
+
+    /**
+     * @param Parameters $params Query parameters.
+     * @return int[]
+     */
+    public function get_posts(Parameters $params): array
+    {
+        $block_list = $this->get_blocks($this->posts_ids, $params);
+
+        return array_unique(array_column($block_list, 'post_id'));
+    }
+
+    /**
+     * @param int[]      $posts_ids Posts IDs.
+     * @param Parameters $params Query parameters.
+     * @return array
+     */
+    private function get_filtered_blocks($posts_ids, Parameters $params)
+    {
+        $this->fetch_blocks($posts_ids, $params);
+        $this->filter_blocks($params);
+        $this->sort_blocks($params->order());
+
+        return $this->blocks;
+    }
+
+    /**
+     * @param int[]      $posts_ids Posts IDs.
+     * @param Parameters $params Query parameters.
+     */
+    private function fetch_blocks(array $posts_ids, Parameters $params): void
+    {
+        $posts_args = [
+            'include' => $posts_ids,
+            'orderby' => empty($params->order()) ? null : array_fill_keys($params->order(), 'ASC'),
+            'post_status' => $params->post_status(),
+            'post_type' => $params->post_type(),
+        ];
+
+        $this->posts = get_posts($posts_args) ?? [];
+
+        $block_listblock_list = [];
+        foreach ($this->posts as $post) {
+            $block_listblock_list = array_merge($block_listblock_list, $this->parse_post($post));
+        }
+        $this->blocks = $block_listblock_list;
+    }
+
+    /**
+     * Filter parsed search items
+     *
+     * @param Parameters $params Query parameters.
+     * @return array
+     */
+    private function filter_blocks(Parameters $params): void
+    {
+        if (
+            empty($params->namespace())
+            && empty($params->name())
+            && empty($params->content())
+        ) {
+            return;
+        }
+
+        $filtered = $this->blocks;
+
+        $text = $params->content();
+        $filters = [
+            'block_ns' => $params->namespace(),
+            'block_type' => $params->name(),
+            'local_name' => false !== strpos($params->name(), '/')
+                ? explode('/', $params->name())[1]
+                : $params->name(),
+        ];
+
+        if (! empty($filters['block_type'])) {
+            $filtered = array_filter(
+                $filtered,
+                function ($i) use ($filters) {
+                    return $i['block_type'] === $filters['block_type']
+                        || $i['local_name'] === $filters['local_name'];
+                }
+            );
+        } elseif (! empty($filters['block_ns'])) {
+            $filtered = array_filter(
+                $filtered,
+                function ($i) use ($filters) {
+                    return $i['block_ns'] === $filters['block_ns'];
+                }
+            );
+        }
+
+        if (! empty($text)) {
+            $filtered = array_filter(
+                $filtered,
+                function ($i) use ($text) {
+                    return strpos($i['block_type'], $text) !== false
+						//phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.serialize_serialize
+                        || strpos(serialize($i['block_attrs']), $text) !== false;
+                }
+            );
+        }
+
+        $this->blocks = $filtered;
+    }
+
+    /**
+     * Sort parsed blocks
+     *
+     * @param null|array $sort  Sort dimensions.
+     * @return array
+     */
+    private function sort_blocks(?array $sort = []): void
+    {
+        if (empty($sort)) {
+            return;
+        }
+
+        $args = [];
+        $block_list = $this->blocks;
+        foreach ($sort as $name) {
+            $args[] = array_column($block_list, $name);
+            $args[] = SORT_NATURAL;
+        }
+        $args[] = &$block_list;
+
+        array_multisort(...$args);
+
+        $this->blocks = $block_list;
+    }
+
+    /**
+     * Parse posts content to blocks.
+     *
+     * @param object $post WP_Post.
+     * @return array[]
+     */
+    private function parse_post($post): array
+    {
+        $output = $this->parser->parse($post->post_content);
+
+        $block_list = array_filter(
+            $output,
+            function ($block) {
+                return ! empty($block['blockName']);
+            }
+        );
+
+        $items = [];
+        while (! empty($block_list)) {
+            $block = array_shift($block_list);
+            $items[] = $this->format_block_data($block, $post);
+
+            if (empty($block['innerBlocks'])) {
+                continue;
+            }
+
+            $block_list = array_merge($block_list, $block['innerBlocks']);
+        }
+
+        return $items;
+    }
+
+    /**
+     * Format block information.
+     *
+     * @param array  $block A block.
+     * @param object $post  WP_Post.
+     * @return array[]
+     */
+    private function format_block_data(array $block, $post): array
+    {
+        $type = $block['blockName'];
+        $attrs = $block['attrs'] ?? [];
+        $has_ns = strpos($type, '/') !== false;
+
+        [ $namespace, $local_name ] = $has_ns ? explode('/', $type) : [ 'core', $type ];
+
+        $classes = empty($attrs['className']) ? [] : explode(' ', $attrs['className']);
+        $styles = array_filter(
+            array_map(
+                function ($c): ?string {
+                    return 'is-style-' === substr($c, 0, 9) ? substr($c, 9) : null;
+                },
+                $classes
+            )
+        );
+
+        return [
+            'post_id' => $post->ID,
+            'post_title' => $post->post_title
+                ? $post->post_title : __('(no title)', 'planet4-blocks-backend'),
+            'post_status' => $post->post_status,
+            'post_type' => $post->post_type,
+            'post_date' => $post->post_date,
+            'post_modified' => $post->post_modified,
+            'post_status' => $post->post_status,
+            'guid' => $post->guid,
+            'block_ns' => $namespace,
+            'block_type' => $type,
+            'local_name' => $local_name,
+            'block_attrs' => $attrs,
+            'block_styles' => $styles,
+        ];
+    }
+
+    /**
+     * Block count in search result.
+     *
+     * @return int
+     */
+    public function block_count(): int
+    {
+        return count($this->blocks);
+    }
+
+    /**
+     * Post count in search result.
+     *
+     * @return int
+     */
+    public function post_count(): int
+    {
+        return count($this->posts_ids);
+    }
+}

src/BlockReportSearch/Block/BlockUsageApi.php

@@ -0,0 +1,99 @@
+<?php
+
+/**
+ * Table displaying blocks usage
+ *
+ * @package P4BKS\Controllers
+ */
+
+namespace P4\MasterTheme\BlockReportSearch\Block;
+
+use P4\MasterTheme\BlockReportSearch\Block\Query\Parameters;
+
+/**
+ * Block usage API
+ */
+class BlockUsageApi
+{
+    public const DEFAULT_POST_STATUS = [ 'publish' ];
+
+    /**
+     * @var BlockUsage
+     */
+    private $usage;
+
+    /**
+     * @var Parameters
+     */
+    private $params;
+
+    /**
+     * @var array[] Blocks.
+     */
+    private $items;
+
+    /**
+     * Constructor
+     */
+    public function __construct()
+    {
+        $this->usage = new BlockUsage();
+        $this->params = ( new Parameters() )
+            ->with_post_status(self::DEFAULT_POST_STATUS)
+            ->with_post_type(
+                \get_post_types(
+                    [
+                        'public' => true,
+                        'exclude_from_search' => false,
+                    ]
+                )
+            );
+    }
+
+    /**
+     * Count blocks by type and style
+     *
+     * If style is not specified, an empty key 'n/a' is used.
+     */
+    public function get_count(): array
+    {
+        if (null === $this->items) {
+            $this->fetch_items();
+        }
+
+        $types = array_unique(
+            array_column($this->items, 'block_type')
+        );
+        $blocks = array_fill_keys(
+            $types,
+            [
+                'total' => 0,
+                'styles' => [],
+            ]
+        );
+        ksort($blocks);
+
+        foreach ($this->items as $item) {
+            $styles = empty($item['block_styles']) ? [ 'n/a' ] : $item['block_styles'];
+            foreach ($styles as $style) {
+                $type = $item['block_type'];
+                if (! isset($blocks[ $type ]['styles'][ $style ])) {
+                    $blocks[ $type ]['styles'][ $style ] = 0;
+                }
+                $blocks[ $type ]['styles'][ $style ]++;
+                $blocks[ $type ]['total']++;
+            }
+            ksort($blocks[ $type ]['styles']);
+        }
+
+        return $blocks;
+    }
+
+    /**
+     * Fetch parsed blocks
+     */
+    private function fetch_items(): void
+    {
+        $this->items = $this->usage->get_blocks($this->params);
+    }
+}