685 lines
17 KiB
PHP
685 lines
17 KiB
PHP
<?php
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require_once('ComicPressDBInterface.inc');
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class ComicPressStoryline {
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var $_structure;
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var $_category_search;
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function &read_from_options() {
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$this->create_structure($this->get_flattened_storyline());
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return $this;
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}
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function _class_exists($class) { return class_exists($class); }
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/**
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* Get the flattened storyline from options.
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*/
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function get_flattened_storyline() {
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if ($this->_class_exists('ComicPress')) {
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$comicpress = &ComicPress::get_instance();
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if (isset($comicpress->comicpress_options['storyline_order'])) {
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return $comicpress->comicpress_options['storyline_order'];
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}
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} else {
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return get_option("comicpress-storyline-category-order");
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}
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return false;
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}
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/**
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* Set the global storyline as a flattened storyline.
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*/
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function set_flattened_storyline($storyline) {
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if ($this->_class_exists('ComicPress')) {
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$comicpress = &ComicPress::get_instance();
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$comicpress->comicpress_options['storyline_order'] = $storyline;
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$comicpress->save();
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}
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}
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/**
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* Set the order from a flattened storyline.
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*/
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function set_order_via_flattened_storyline($order) {
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$nodes = explode(',', $order);
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$original_nodes = explode(',', $this->get_flattened_storyline());
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$missing_good_nodes = array_diff($original_nodes, $nodes);
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$any_bad_nodes = array_diff($nodes, $original_nodes);
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if (empty($missing_good_nodes) && empty($any_bad_nodes)) {
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$this->set_flattened_storyline($order);
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return true;
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} else {
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return false;
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}
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}
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function _create_structure_key($input) {
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$key = 'storyline-structure-';
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if (is_string($input)) { return $key . $input; }
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if (is_array($input)) {
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$fixed_parts = array();
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foreach ($input as $i) { if (is_string($i)) { $fixed_parts[] = $i; } }
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if (!empty($fixed_parts)) { return $key . implode(',', $fixed_parts); }
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}
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return false;
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}
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/**
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* Create a searchable structure from a node list.
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* @param array $structure The structure to process.
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* @return boolean True if the structure was valid.
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*/
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function create_structure($structure) {
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$key = $this->_create_structure_key($structure);
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if ($key !== false) {
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if (is_string($structure)) {
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$structure = explode(',', $structure);
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} else {
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if (is_array($structure)) {
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$fixed_structure = array();
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foreach ($structure as $s) {
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if (!is_array($s)) { $fixed_structure[] = $s; }
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}
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$structure = $fixed_structure;
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}
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}
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if (($result = wp_cache_get($key, 'comicpress')) !== false) {
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$this->_structure = $result;
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} else {
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$new_structure = array();
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$parent = null;
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$all_leaves = array();
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$adjacents_by_parent = array();
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if (is_array($structure)) {
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$is_valid = true;
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foreach ($structure as $branch) {
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if (is_string($branch)) {
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$parts = explode('/', $branch);
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$valid = false;
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if (count($parts) > 1) {
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if ($parts[0] == '0') { $valid = true; }
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}
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if (!$valid) {
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$is_valid = false; break;
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} else {
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$data = array();
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$leaf = end($parts);
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$all_leaves[] = $leaf;
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$data['level'] = count($parts) - 1;
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if (count($parts) > 2) {
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$parent = $parts[count($parts) - 2];
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if (!isset($adjacents_by_parent[$parent])) {
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$adjacents_by_parent[$parent] = array();
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}
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$adjacents_by_parent[$parent][] = $leaf;
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$data['parent'] = $parent;
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}
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$new_structure[$leaf] = $data;
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}
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} else {
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$is_valid = false; break;
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}
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}
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if ($is_valid) {
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for ($i = 0; $i < count($all_leaves); ++$i) {
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foreach (array('previous' => -1, 'next' => 1) as $type => $dir) {
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if (isset($all_leaves[$i + $dir])) {
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$new_structure[$all_leaves[$i]][$type] = $all_leaves[$i + $dir];
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}
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}
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}
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$this->_structure = $new_structure;
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}
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}
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wp_cache_set($key, $this->_structure, 'comicpress');
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}
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}
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return is_array($this->_structure);
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}
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function _get_field($field, $id) {
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if (isset($this->_structure)) {
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foreach ($this->_ensure_category_ids($id) as $id) {
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if (isset($this->_structure[$id])) {
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if (isset($this->_structure[$id][$field])) {
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return $this->_structure[$id][$field];
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}
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}
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}
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}
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return false;
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}
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// @codeCoverageIgnoreStart
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function parent($id) { return $this->_get_field('parent', $id); }
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function previous($id) { return $this->_get_field('previous', $id); }
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function next($id) { return $this->_get_field('next', $id); }
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// @codeCoverageIgnoreEnd
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function valid($id) {
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$keys = array();
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foreach ($this->_ensure_category_ids($id) as $id) {
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if (isset($this->_structure[$id])) {
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$keys = array_merge($keys, array_keys($this->_structure[$id]));
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}
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}
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return empty($keys) ? false : $keys;
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}
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function all_adjacent($id, $direction) {
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if (isset($this->_structure[$id])) {
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$all_adjacent = array();
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do {
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$has_adjacent = false;
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if (isset($this->_structure[$id][$direction])) {
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$new_id = $this->_structure[$id][$direction];
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if (!in_array($new_id, $all_adjacent)) {
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if ($has_adjacent = isset($this->_structure[$id][$direction])) {
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$all_adjacent[] = $new_id;
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$id = $new_id;
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}
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}
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}
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// @codeCoverageIgnoreStart
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} while ($has_adjacent);
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// @codeCoverageIgnoreEnd
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return $all_adjacent;
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}
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return false;
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}
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/**
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* Get the valid navigation directions for a particular post.
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*/
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function get_valid_nav($post_id) {
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if (($category = $this->get_valid_post_category($post_id)) !== false) {
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return $this->valid($category);
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}
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return false;
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}
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/**
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* Get the valid comic category for this post.
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*/
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function get_valid_post_category($post_id) {
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$result = false;
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foreach (wp_get_post_categories($post_id) as $category) {
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if ($this->valid($category)) {
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if ($result) { return false; }
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$result = $category;
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}
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}
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return $result;
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}
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/**
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* Get a simple storyline.
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*/
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function get_simple_storyline() {
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$simple_storyline = array('0' => array());
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foreach ($this->_structure as $category_id => $adjacents) {
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$parent = 0;
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if (isset($adjacents['parent'])) { $parent = $adjacents['parent']; }
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if (!isset($simple_storyline[$parent])) {
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$simple_storyline[$parent] = array();
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}
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$simple_storyline[$parent][$category_id] = true;
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}
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return $this->_merge_simple_storyline($simple_storyline);
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}
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/**
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* Get a simple structure.
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*/
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function get_category_simple_structure($parent = null) {
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$structure = array();
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foreach (get_all_category_ids() as $category_id) {
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$category = get_category($category_id);
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if (!isset($structure[$category->parent])) {
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$structure[$category->parent] = array();
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}
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$structure[$category->parent][$category_id] = true;
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}
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$structure = $this->_merge_simple_storyline($structure);
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if (!empty($parent)) {
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if (isset($structure[0])) {
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foreach ($structure[0] as $key => $children) {
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if ($key != $parent) { unset($structure[0][$key]); }
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}
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}
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}
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return $structure;
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}
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/**
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* Get a flattened category node list.
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*/
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// @codeCoverageIgnoreStart
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function get_category_flattened($parent = null) {
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return $this->flatten_simple_storyline($this->get_category_simple_structure($parent));
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}
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// @codeCoverageIgnoreEnd
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/**
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* Merge a flat simple storyline into a tree.
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*/
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function _merge_simple_storyline($simple_storyline) {
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while (count($simple_storyline) > 0) {
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$merge_found = false;
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foreach ($simple_storyline as $parent => $children) {
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$has_no_descendents = true;
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foreach (array_keys($children) as $child) {
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if (is_numeric($child)) {
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if (isset($simple_storyline[$child])) {
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$has_no_descendents = false;
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break;
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}
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}
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}
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if ($has_no_descendents) {
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$merge_found = $parent; break;
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}
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}
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if ($merge_found !== false) {
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foreach ($simple_storyline as $parent => $children) {
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if (isset($children[$merge_found])) {
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$simple_storyline[$parent][$merge_found] = $simple_storyline[$merge_found];
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unset($simple_storyline[$merge_found]);
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break;
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}
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}
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}
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if (!$merge_found) { break; }
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}
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return $simple_storyline;
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}
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/**
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* Integrates a bunch of other things.
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*/
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function normalize($flattened_storyline = null, $set = true) {
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if (is_null($flattened_storyline)) {
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$flattened_storyline = $this->get_flattened_storyline();
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}
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$all_categories_flattened = $this->get_category_flattened();
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$this->normalize_category_groupings();
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$result = $this->normalize_flattened_storyline($flattened_storyline, $all_categories_flattened);
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if ($set) {
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$this->set_flattened_storyline($result);
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}
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return $result;
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}
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/**
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* @return unknown_type
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*/
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function normalize_category_groupings() {
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$comicpress = ComicPress::get_instance();
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$valid_ids = get_all_category_ids();
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foreach ($comicpress->comicpress_options['category_groupings'] as $group_id => $category_ids) {
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$comicpress->comicpress_options['category_groupings'][$group_id] = array_intersect($category_ids, $valid_ids);
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if (empty($comicpress->comicpress_options['category_groupings'][$group_id])) {
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unset($comicpress->comicpress_options['category_groupings'][$group_id]);
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}
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}
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$comicpress->save();
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}
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/**
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* Sort nodes by node count.
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*/
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function _length_sort($parts) {
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$new = array();
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foreach ($parts as $part) {
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$p = explode('/', $part);
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if (!isset($new[count($p)])) {
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$new[count($p)] = array();
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}
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$new[count($p)][] = $part;
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}
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ksort($new);
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$output = array();
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foreach (array_values($new) as $values) {
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$output = array_merge($output, $values);
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}
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return $output;
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}
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/**
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* Normalize a flattened storyline, inserting and removing categories from the list is necessary.
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*/
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function normalize_flattened_storyline($storyline, $comic_categories) {
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$storyline_nodes = explode(",", $storyline);
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$category_nodes = explode(",", $comic_categories);
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$missing_from_storyline = array_diff($category_nodes, $storyline_nodes);
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$extra_in_storyline = array_diff($storyline_nodes, $category_nodes);
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if (!empty($missing_from_storyline)) {
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$missing_from_storyline = $this->_length_sort($missing_from_storyline);
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foreach ($missing_from_storyline as $node) {
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$parent_pattern = implode('/', array_slice(explode('/', $node), 0, -1));
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$last = null;
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for ($i = 0, $il = count($storyline_nodes); $i < $il; ++$i) {
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if (strpos($storyline_nodes[$i], $parent_pattern) === 0) {
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$last = $i;
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}
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}
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if (!is_null($last)) {
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array_splice($storyline_nodes, $last + 1, 0, array($node));
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} else {
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$storyline_nodes[] = $node;
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}
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}
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}
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if (!empty($extra_in_storyline)) {
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$new = array();
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foreach ($storyline_nodes as $node) {
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if (!in_array($node, $extra_in_storyline)) {
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$new[] = $node;
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}
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}
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$storyline_nodes = $new;
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}
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return implode(',', $storyline_nodes);
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}
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/**
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* Flatten a simple storyline.
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*/
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function flatten_simple_storyline($storyline) {
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return implode(',', $this->_follow_simple_storyline($storyline));
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}
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/**
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* Follow the nodes of a simple storyline, creating a node list.
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*/
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function _follow_simple_storyline($storyline, $parent = null) {
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$output = array();
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foreach ($storyline as $key => $children) {
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if (is_null($parent)) {
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$new_parent = $key;
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} else {
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$new_parent = $parent . '/' . $key;
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$output[] = $new_parent;
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}
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if (is_array($children)) {
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$output = array_merge($output, $this->_follow_simple_storyline($children, $new_parent));
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}
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}
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return $output;
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}
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function &include_all() {
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if (is_array($this->_structure)) {
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$this->_category_search = array_keys($this->_structure);
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}
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return $this;
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}
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function &exclude_all() {
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$this->_category_search = array();
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return $this;
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}
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function _ensure_category_ids($provided_id) {
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if (!is_numeric($provided_id)) {
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if (is_string($provided_id)) {
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$comicpress = ComicPress::get_instance();
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$found = false;
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if (isset($comicpress->comicpress_options['category_groupings'])) {
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if (isset($comicpress->comicpress_options['category_groupings'][$provided_id])) {
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$provided_id = $comicpress->comicpress_options['category_groupings'][$provided_id];
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$found = true;
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}
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}
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if (!$found) {
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foreach (get_all_category_ids() as $id) {
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$category = get_category($id);
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if ($category->slug == $provided_id) {
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$provided_id = $id; break;
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}
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}
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$provided_id = array($provided_id);
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}
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}
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} else {
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$provided_id = array($provided_id);
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}
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if (!is_array($provided_id)) {
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if (is_numeric($provided_id)) {
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$provided_id = array($provided_id);
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} else {
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$provided_id = array();
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}
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}
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return $provided_id;
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}
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function _find_children($parent) {
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$all_children = array();
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foreach ($this->_ensure_category_ids($parent) as $parent) {
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if (is_numeric($parent)) {
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$children = array($parent);
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do {
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$found_children = false;
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if (is_array($this->_structure)) {
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foreach ($this->_structure as $category_id => $info) {
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if (!in_array($category_id, $children)) {
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if (isset($info['parent'])) {
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if (in_array($info['parent'], $children)) {
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$children[] = $category_id;
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$found_children = true;
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}
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}
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}
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}
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}
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// @codeCoverageIgnoreStart
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} while ($found_children);
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// @codeCoverageIgnoreEnd
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$all_children = array_merge($all_children, $children);
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}
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}
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return empty($all_children) ? false : $all_children;
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}
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function &_include() {
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$args = func_get_args();
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$method = array_shift($args);
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$this->_category_search = array_unique(array_merge($this->_category_search, call_user_func_array(array($this, $method), $args)));
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sort($this->_category_search);
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return $this;
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}
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function &_exclude() {
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$args = func_get_args();
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$method = array_shift($args);
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$this->_category_search = array_diff($this->_category_search, call_user_func_array(array($this, $method), $args));
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sort($this->_category_search);
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return $this;
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}
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function _find_level_or_above($level = null) {
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$found = array();
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foreach ($this->_structure as $category_id => $info) {
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if ($info['level'] <= $level) { $found[] = $category_id; }
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}
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return $found;
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}
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function _find_only($id = null) {
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if (isset($this->_structure[$id])) {
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return array($id);
|
|
}
|
|
return array();
|
|
}
|
|
|
|
function _find_level($level = null) {
|
|
$found = array();
|
|
foreach ($this->_structure as $category_id => $info) {
|
|
if ($info['level'] == $level) { $found[] = $category_id; }
|
|
}
|
|
return $found;
|
|
}
|
|
|
|
function _ensure_post_id($thing) {
|
|
$id = null;
|
|
if (is_object($thing)) {
|
|
if (isset($thing->ID)) { $id = $thing->ID; }
|
|
} else {
|
|
if (is_numeric($thing)) { $id = $thing; }
|
|
}
|
|
return $id;
|
|
}
|
|
|
|
function _find_post_category($post = null) {
|
|
$found = array();
|
|
|
|
$id = $this->_ensure_post_id($post);
|
|
|
|
if (!is_null($id)) {
|
|
if (count($categories = wp_get_post_categories($id)) == 1) {
|
|
$found = $categories;
|
|
}
|
|
}
|
|
return $found;
|
|
}
|
|
|
|
function _find_adjacent($category = null, $next = false) {
|
|
$found = array();
|
|
|
|
if (!is_null($category)) {
|
|
if (isset($this->_structure[$category])) {
|
|
$field = $next ? 'next' : 'previous';
|
|
if (isset($this->_structure[$category][$field])) {
|
|
$found = array($this->_structure[$category][$field]);
|
|
}
|
|
}
|
|
}
|
|
|
|
return $found;
|
|
}
|
|
|
|
function _find_post_root($post = null) {
|
|
$found = array();
|
|
|
|
$id = $this->_ensure_post_id($post);
|
|
|
|
if (!is_null($id)) {
|
|
if (count($categories = wp_get_post_categories($id)) == 1) {
|
|
$comic_post = new ComicPressComicPost(get_post($id));
|
|
$parents = $comic_post->find_parents();
|
|
if (!empty($parents)) {
|
|
$parents = array_keys($parents); $found = $this->_find_children(end($parents));
|
|
}
|
|
|
|
}
|
|
}
|
|
return $found;
|
|
}
|
|
|
|
function end_search() {
|
|
$result = $this->_category_search;
|
|
$this->_category_search = array();
|
|
return $result;
|
|
}
|
|
|
|
function build_from_restrictions($restrictions = null) {
|
|
global $post;
|
|
|
|
$this->read_from_options();
|
|
$this->exclude_all();
|
|
|
|
$include_all = true;
|
|
if (is_array($restrictions)) {
|
|
if (!empty($restrictions)) {
|
|
$include_all = false;
|
|
}
|
|
}
|
|
|
|
if (!$include_all) {
|
|
foreach ($restrictions as $_type => $_list) {
|
|
if (!is_string($_type) && is_array($_list)) {
|
|
$all_checks = array($_list);
|
|
} else {
|
|
$all_checks = array(
|
|
array($_type, $_list)
|
|
);
|
|
}
|
|
|
|
foreach ($all_checks as $info) {
|
|
list($type, $list) = $info;
|
|
|
|
if (substr($type, 0, 1) == "!") {
|
|
$method_root = 'exclude';
|
|
$method_type = substr($type, 1);
|
|
} else {
|
|
$method_root = 'include';
|
|
$method_type = $type;
|
|
}
|
|
|
|
if (!is_array($list)) { $list = array($list); }
|
|
|
|
foreach ($list as $restriction) {
|
|
$method = '';
|
|
$args = array($restriction);
|
|
switch ($method_type) {
|
|
case 'child_of': $method = 'children'; break;
|
|
case 'root_of': $method = 'post_root'; break;
|
|
case 'from_post': $method = 'post_category'; break;
|
|
case 'previous':
|
|
$method = 'adjacent';
|
|
$args[] = false;
|
|
break;
|
|
case 'next':
|
|
$method = 'adjacent';
|
|
$args[] = true;
|
|
break;
|
|
default:
|
|
$method = $method_type; break;
|
|
}
|
|
if (!empty($method)) {
|
|
array_unshift($args, "_find_${method}");
|
|
call_user_func_array(array($this, "_${method_root}"), $args);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
$this->include_all();
|
|
}
|
|
|
|
return $this->end_search();
|
|
}
|
|
}
|
|
|
|
?>
|