leilukin-tumbleblog/modules/categorize/categorize.php

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<?php
require_once "model".DIR."Category.php";
class Categorize extends Modules {
# Array: $caches
# Query caches for methods.
private $caches = array();
public static function __install(): void {
Category::install();
Group::add_permission("manage_categorize", "Manage Categories");
Route::current()->add("category/(name)/", "category");
}
public static function __uninstall($confirm): void {
if ($confirm)
Category::uninstall();
Group::remove_permission("manage_categorize");
Route::current()->remove("category/(name)/");
}
public function list_permissions($names = array()): array {
$names["manage_categorize"] = __("Manage Categories", "categorize");
return $names;
}
public function feed_item($post, $feed): void {
if (!empty($post->category))
$feed->category(
$post->category->clean,
url("category", MainController::current()),
$post->category->name
);
}
public function related_posts($ids, $post, $limit): array {
if (empty($post->category_id))
return $ids;
$results = SQL::current()->select(
tables:"post_attributes",
fields:array("post_id"),
conds:array(
"name" => "category_id",
"value" => $post->category_id,
"post_id !=" => $post->id
),
order:array("post_id DESC"),
limit:$limit
)->fetchAll();
foreach ($results as $result)
$ids[] = $result["post_id"];
return $ids;
}
public function parse_urls($urls): array {
$urls['|/category/([^/]+)/|'] = '/?action=category&amp;name=$1';
return $urls;
}
public function manage_posts_column_header(): string {
return '<th class="post_category value">'.
__("Category", "categorize").'</th>';
}
public function manage_posts_column($post): string {
$td = '<td class="post_category value">';
if (isset($post->category->name))
$td.= '<a href="'.
url("manage_category/query/".urlencode("id:".$post->category->id)).
'">'.
$post->category->name.
'</a>';
$td.= '</td>';
return $td;
}
public function post_options($fields, $post = null): array {
$options[0]["value"] = "0";
$options[0]["name"] = __("[None]", "categorize");
$options[0]["selected"] = empty($post->category_id);
foreach (Category::find() as $category) {
$name = oneof($category->name, __("[Untitled]"));
$selected = (isset($post) and ($post->category_id == $category->id));
$options[$category->id]["value"] = $category->id;
$options[$category->id]["name"] = $name;
$options[$category->id]["selected"] = $selected;
}
$fields[] = array(
"attr" => "option[category_id]",
"label" => __("Category", "categorize"),
"help" => "categorizing_posts",
"type" => "select",
"options" => $options
);
return $fields;
}
public function post($post): void {
if (!empty($post->category_id)) {
$category = new Category($post->category_id);
if (!$category->no_results)
$post->category = $category;
}
}
private function get_category_post_count($category_id): int {
if (!isset($this->caches["category_post_counts"])) {
$counts = SQL::current()->select(
tables:"post_attributes",
fields:array("COUNT(value) AS total", "value AS category_id"),
conds:array("name" => "category_id"),
group:"value"
)->fetchAll();
$this->caches["category_post_counts"] = array();
foreach ($counts as $count) {
$id = $count["category_id"];
$total = (int) $count["total"];
$this->caches["category_post_counts"][$id] = $total;
}
}
return fallback($this->caches["category_post_counts"][$category_id], 0);
}
public function category_post_count_attr($attr, $category): int {
if ($category->no_results)
return 0;
return $this->get_category_post_count($category->id);
}
public function twig_context_main($context): array {
$context["categorize"] = array();
foreach (Category::find() as $category) {
if ($category->show_on_home)
$context["categorize"][] = $category;
}
return $context;
}
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public function main_category($main): void {
if (!isset($_GET['name']))
Flash::warning(
__("You did not specify a category.", "categorize"),
"/"
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);
$category = new Category(
array("clean" => $_GET['name'])
);
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if ($category->no_results)
show_404(
__("Not Found"),
__("The category you specified was not found.", "categorize")
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);
$results = SQL::current()->select(
tables:"post_attributes",
fields:array("post_id"),
conds:array(
"name" => "category_id",
"value" => $category->id
)
)->fetchAll();
$ids = array();
foreach ($results as $result)
$ids[] = $result["post_id"];
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if (empty($ids))
show_404(
__("Not Found"),
__("There are no posts in the category you specified.", "categorize")
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);
$posts = new Paginator(
Post::find(
array(
"placeholders" => true,
"where" => array("id" => $ids)
)
),
$main->post_limit
);
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if (!$posts->total)
show_404(
__("Not Found"),
__("There are no posts in the category you specified.", "categorize")
);
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$main->display(
array("pages".DIR."category", "pages".DIR."index"),
array(
"posts" => $posts,
"category" => $category->name
),
_f("Posts in category &#8220;%s&#8221;", fix($category->name), "categorize")
);
}
public function manage_nav($navs): array {
if (Visitor::current()->group->can("manage_categorize"))
$navs["manage_category"] = array(
"title" => __("Categories", "categorize"),
"selected" => array(
"new_category",
"delete_category",
"edit_category"
)
);
return $navs;
}
public function admin_determine_action($action): ?string {
$visitor = Visitor::current();
if ($action == "manage" and $visitor->group->can("manage_categorize"))
return "manage_category";
return null;
}
public function admin_manage_category($admin): void {
if (!Visitor::current()->group->can("manage_categorize"))
show_403(
__("Access Denied"),
__("You do not have sufficient privileges to manage categories.", "categorize")
);
# Redirect searches to a clean URL or dirty GET depending on configuration.
if (isset($_POST['query']))
redirect(
"manage_category/query/".
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str_ireplace(
array("%2F", "%5C"),
"%5F",
urlencode($_POST['query'])
).
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"/"
);
fallback($_GET['query'], "");
list($where, $params, $order) = keywords(
$_GET['query'],
"name LIKE :query",
"categorize"
);
$categorize = Category::find(
array(
"where" => $where,
"params" => $params,
"order" => $order
)
);
$admin->display(
"pages".DIR."manage_category",
array("categorize" => $categorize)
);
}
public function admin_new_category($admin): void {
if (!Visitor::current()->group->can("manage_categorize"))
show_403(
__("Access Denied"),
__("You do not have sufficient privileges to add categories.", "categorize")
);
$admin->display("pages".DIR."new_category");
}
public function admin_add_category($admin)/*: never */ {
if (!Visitor::current()->group->can("manage_categorize"))
show_403(
__("Access Denied"),
__("You do not have sufficient privileges to add categories.", "categorize")
);
if (!isset($_POST['hash']) or !Session::check_token($_POST['hash']))
show_403(
__("Access Denied"),
__("Invalid authentication token.")
);
if (empty($_POST['name']))
error(
__("No Name Specified", "categorize"),
__("A name is required to add a category.", "categorize"),
code:400
);
$clean = empty($_POST['clean']) ?
$_POST['name'] :
$_POST['clean'] ;
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$clean = sanitize($clean, true, SLUG_STRICT, 128);
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if (!preg_match("/[^\-0-9]+/", $clean))
$clean = md5($clean);
$clean = Category::check_clean($clean);
Category::add(
name:$_POST['name'],
clean:$clean,
show_on_home:!empty($_POST['show_on_home'])
);
Flash::notice(
__("Category added.", "categorize"),
"manage_category"
);
}
public function admin_edit_category($admin): void {
if (empty($_GET['id']) or !is_numeric($_GET['id']))
error(
__("No ID Specified"),
__("An ID is required to edit a category.", "categorize"),
code:400
);
$category = new Category($_GET['id']);
if ($category->no_results)
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show_404(
__("Not Found"),
__("Category not found.", "categorize")
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);
if (!$category->editable())
show_403(
__("Access Denied"),
__("You do not have sufficient privileges to edit this category.", "categorize")
);
$admin->display(
"pages".DIR."edit_category",
array("category" => $category)
);
}
public function admin_update_category($admin)/*: never */ {
if (!isset($_POST['hash']) or !Session::check_token($_POST['hash']))
show_403(
__("Access Denied"),
__("Invalid authentication token.")
);
if (empty($_POST['id']) or !is_numeric($_POST['id']))
error(
__("No ID Specified"),
__("An ID is required to update a category.", "categorize"),
code:400
);
if (empty($_POST['name']))
error(
__("No Name Specified", "categorize"),
__("A name is required to update a category.", "categorize"),
code:400
);
$category = new Category($_POST['id']);
if ($category->no_results)
show_404(
__("Not Found"),
__("Category not found.", "categorize")
);
if (!$category->editable())
show_403(
__("Access Denied"),
__("You do not have sufficient privileges to edit this category.", "categorize")
);
$clean = empty($_POST['clean']) ?
$_POST['name'] :
$_POST['clean'] ;
if ($clean != $category->clean) {
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$clean = sanitize($clean, true, SLUG_STRICT, 128);
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if (!preg_match("/[^\-0-9]+/", $clean))
$clean = md5($clean);
$clean = Category::check_clean($clean);
}
$category = $category->update(
name:$_POST['name'],
clean:$clean,
show_on_home:!empty($_POST['show_on_home'])
);
Flash::notice(
__("Category updated.", "categorize"),
"manage_category"
);
}
public function admin_delete_category($admin): void {
if (empty($_GET['id']) or !is_numeric($_GET['id']))
error(
__("No ID Specified"),
__("An ID is required to delete a category.", "categorize"),
code:400
);
$category = new Category($_GET['id']);
if ($category->no_results)
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show_404(
__("Not Found"),
__("Category not found.", "categorize")
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);
if (!$category->deletable())
show_403(
__("Access Denied"),
__("You do not have sufficient privileges to delete this category.", "categorize")
);
$admin->display(
"pages".DIR."delete_category",
array("category" => $category)
);
}
public function admin_destroy_category()/*: never */ {
if (!isset($_POST['hash']) or !Session::check_token($_POST['hash']))
show_403(
__("Access Denied"),
__("Invalid authentication token.")
);
if (empty($_POST['id']) or !is_numeric($_POST['id']))
error(
__("No ID Specified"),
__("An ID is required to delete a category.", "categorize"),
code:400
);
if (!isset($_POST['destroy']) or $_POST['destroy'] != "indubitably")
redirect("manage_category");
$category = new Category($_POST['id']);
if ($category->no_results)
show_404(
__("Not Found"),
__("Category not found.", "categorize")
);
if (!$category->deletable())
show_403(
__("Access Denied"),
__("You do not have sufficient privileges to delete this category.", "categorize")
);
Category::delete($category->id);
Flash::notice(
__("Category deleted.", "categorize"),
"manage_category"
);
}
}