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-rw-r--r--core/application.php7
-rw-r--r--core/functions.php64
-rw-r--r--core/include/category/list.php69
-rw-r--r--core/include/category/main.php134
-rw-r--r--core/include/post/main.php17
-rw-r--r--core/namespace/Application.php10
-rw-r--r--core/namespace/ORM/Entities/Category.php14
-rw-r--r--core/namespace/ORM/Entities/Post.php13
-rw-r--r--core/namespace/ORM/Repositories/Category.php138
-rw-r--r--core/namespace/ORM/Repositories/Post.php12
10 files changed, 471 insertions, 7 deletions
diff --git a/core/application.php b/core/application.php
index 5bbc5d1..0e1324a 100644
--- a/core/application.php
+++ b/core/application.php
@@ -63,23 +63,29 @@ foreach([
'PATHINFO.PROT' => $_SERVER['REQUEST_SCHEME'] ?? 'https',
'PATHINFO.HOST' => $_SERVER['HTTP_HOST'] ?? 'localhost',
'PATHINFO.BASE' => '',
+ 'CATEGORY.DIRECTORY' => 'category',
'PAGE.DIRECTORY' => 'page',
'POST.DIRECTORY' => 'post',
'USER.DIRECTORY' => 'user',
+ 'CATEGORY.SLUG_URLS' => TRUE,
'PAGE.SLUG_URLS' => TRUE,
'POST.SLUG_URLS' => TRUE,
'USER.SLUG_URLS' => TRUE,
+ 'CATEGORY.EMOTICONS' => TRUE,
'PAGE.EMOTICONS' => TRUE,
'POST.EMOTICONS' => TRUE,
'USER.EMOTICONS' => TRUE,
+ 'CATEGORY.LIST_SIZE' => 10,
'PAGE.LIST_SIZE' => 10,
'POST.LIST_SIZE' => 10,
'USER.LIST_SIZE' => 10,
'PAGE.FEED_SIZE' => 25,
'POST.FEED_SIZE' => 25,
+ 'CATEGORY.DESCRIPTION_SIZE' => 200,
'PAGE.DESCRIPTION_SIZE' => 200,
'POST.DESCRIPTION_SIZE' => 200,
'USER.DESCRIPTION_SIZE' => 200,
+ 'CATEGORY.SINGLE_REDIRECT' => FALSE,
'PAGE.SINGLE_REDIRECT' => FALSE,
'POST.SINGLE_REDIRECT' => FALSE,
'USER.SINGLE_REDIRECT' => FALSE,
@@ -98,6 +104,7 @@ foreach([
# Set default configuration (for admin prefixes)
#===============================================================================
foreach([
+ 'ADMIN.CATEGORY.LIST_SIZE' => 12, # for 1/2/3-column grid layout
'ADMIN.PAGE.LIST_SIZE' => 12, # for 1/2/3-column grid layout
'ADMIN.POST.LIST_SIZE' => 12, # for 1/2/3-column grid layout
'ADMIN.USER.LIST_SIZE' => Application::get('USER.LIST_SIZE'),
diff --git a/core/functions.php b/core/functions.php
index dadaab8..ea4b7eb 100644
--- a/core/functions.php
+++ b/core/functions.php
@@ -1,8 +1,9 @@
<?php
+use ORM\EntityInterface;
+use ORM\Entities\Category;
use ORM\Entities\Page;
use ORM\Entities\Post;
use ORM\Entities\User;
-use ORM\EntityInterface;
use Template\Template as Template;
use Template\Factory as TemplateFactory;
@@ -48,6 +49,37 @@ function generateUserNaviTemplate($current): Template {
#===============================================================================
# Helper function to reduce duplicate code
#===============================================================================
+function generateCategoryNaviTemplate($current): Template {
+ return generateNaviTemplate($current, Application::getCategoryURL(), 'Category');
+}
+
+#===============================================================================
+# Helper function to reduce duplicate code
+#===============================================================================
+function generateCategoryItemTemplate(Category $Category, bool $is_root = FALSE): Template {
+ $CategoryRepository = Application::getRepository('Category');
+ $PostRepository = Application::getRepository('Post');
+
+ foreach($CategoryRepository->findWithParents($Category->getID()) as $Category) {
+ $category_data = generateItemTemplateData($Category);
+ $category_list[] = $category_data;
+ }
+
+ $Template = TemplateFactory::build('category/item');
+ $Template->set('IS_ROOT', $is_root);
+ $Template->set('CATEGORY', $category_data ?? []);
+ $Template->set('CATEGORIES', $category_list ?? []);
+ $Template->set('COUNT', [
+ 'POST' => $PostRepository->getCountByCategory($Category),
+ 'CHILDREN' => $CategoryRepository->getChildrenCount($Category)
+ ]);
+
+ return $Template;
+}
+
+#===============================================================================
+# Helper function to reduce duplicate code
+#===============================================================================
function generatePageItemTemplate(Page $Page, User $User): Template {
$Template = TemplateFactory::build('page/item');
$Template->set('PAGE', generateItemTemplateData($Page));
@@ -60,9 +92,18 @@ function generatePageItemTemplate(Page $Page, User $User): Template {
# Helper function to reduce duplicate code
#===============================================================================
function generatePostItemTemplate(Post $Post, User $User): Template {
+ $CategoryRepository = Application::getRepository('Category');
+
+ foreach($CategoryRepository->findWithParents($Post->get('category')) as $Category) {
+ $category_data = generateItemTemplateData($Category);
+ $categories[] = $category_data;
+ }
+
$Template = TemplateFactory::build('post/item');
$Template->set('POST', generateItemTemplateData($Post));
$Template->set('USER', generateItemTemplateData($User));
+ $Template->set('CATEGORY', $category_data ?? []);
+ $Template->set('CATEGORIES', $categories ?? []);
return $Template;
}
@@ -112,6 +153,24 @@ function generateItemTemplateData(EntityInterface $Entity): array {
}
#===============================================================================
+# Generate a nested tree from a category data array
+#===============================================================================
+function generateCategoryDataTree(array $category_data, $root = 0): array {
+ foreach($category_data as &$category){
+ $tree[intval($category['PARENT'])][] = &$category;
+ unset($category['PARENT']);
+ }
+
+ foreach($category_data as &$category){
+ if (isset($tree[$category['ID']])){
+ $category['CHILDS'] = $tree[$category['ID']];
+ }
+ }
+
+ return $tree[$root] ?? [];
+}
+
+#===============================================================================
# Generate pseudo GUID for entity
#===============================================================================
function generatePseudoGUID(EntityInterface $Entity) {
@@ -166,6 +225,9 @@ function parseContentTags(string $text): string {
#===============================================================================
function parseEntityContent(EntityInterface $Entity): string {
switch($class = get_class($Entity)) {
+ case 'ORM\Entities\Category':
+ $prefix = 'CATEGORY';
+ break;
case 'ORM\Entities\Page':
$prefix = 'PAGE';
break;
diff --git a/core/include/category/list.php b/core/include/category/list.php
new file mode 100644
index 0000000..9bd2a68
--- /dev/null
+++ b/core/include/category/list.php
@@ -0,0 +1,69 @@
+<?php
+#===============================================================================
+# Get instances
+#===============================================================================
+$Language = Application::getLanguage();
+
+#===============================================================================
+# Get repositories
+#===============================================================================
+$CategoryRepository = Application::getRepository('Category');
+$PostRepository = Application::getRepository('Post');
+
+#===============================================================================
+# Pagination
+#===============================================================================
+$site_size = Application::get('CATEGORY.LIST_SIZE');
+$site_sort = Application::get('CATEGORY.LIST_SORT');
+
+#$count = $CategoryRepository->getCount(['parent' => NULL]);
+$count = $CategoryRepository->getCount();
+$lastSite = ceil($count / $site_size);
+
+$currentSite = HTTP::GET('site') ?? 1;
+$currentSite = intval($currentSite);
+
+if($currentSite < 1 OR ($currentSite > $lastSite AND $lastSite > 0)) {
+ Application::error404();
+}
+
+#===============================================================================
+# Single redirect
+#===============================================================================
+if(Application::get('CATEGORY.SINGLE_REDIRECT') === TRUE AND $count === 1) {
+ $Category = $CategoryRepository->getLast();
+ HTTP::redirect(Application::getEntityURL($Category));
+}
+
+#===============================================================================
+# Get paginated category list
+#===============================================================================
+$categories = $CategoryRepository->getPaginatedTree(
+ $site_size,
+ ($currentSite-1) * $site_size
+);
+
+foreach($categories as $Category) {
+ $templates[] = generateCategoryItemTemplate($Category, TRUE);
+}
+
+#===============================================================================
+# Build document
+#===============================================================================
+$ListTemplate = Template\Factory::build('category/list');
+$ListTemplate->set('PAGINATION', [
+ 'THIS' => $currentSite,
+ 'LAST' => $lastSite,
+ 'HTML' => generateCategoryNaviTemplate($currentSite)
+]);
+$ListTemplate->set('LIST', [
+ 'CATEGORIES' => $templates ?? []
+]);
+
+$MainTemplate = Template\Factory::build('main');
+$MainTemplate->set('HTML', $ListTemplate);
+$MainTemplate->set('HEAD', [
+ 'NAME' => $Language->text('title_category_overview', $currentSite)
+]);
+
+echo $MainTemplate;
diff --git a/core/include/category/main.php b/core/include/category/main.php
new file mode 100644
index 0000000..57f8625
--- /dev/null
+++ b/core/include/category/main.php
@@ -0,0 +1,134 @@
+<?php
+#===============================================================================
+# Get repositories
+#===============================================================================
+$CategoryRepository = Application::getRepository('Category');
+$PostRepository = Application::getRepository('Post');
+$UserRepository = Application::getRepository('User');
+
+#===============================================================================
+# Try to find category (with parents) by slug URL or unique ID
+#===============================================================================
+if(Application::get('CATEGORY.SLUG_URLS')) {
+ if(!$categories = $CategoryRepository->findWithParentsBy('slug', $param)) {
+ if($categories = $CategoryRepository->findWithParents($param)) {
+ $redirect_scheduled = TRUE;
+ }
+ }
+}
+
+else {
+ if(!$categories = $CategoryRepository->findWithParents($param)) {
+ if($categories = $CategoryRepository->findWithParentsBy('slug', $param)) {
+ $redirect_scheduled = TRUE;
+ }
+ }
+}
+
+#===============================================================================
+# Throw 404 error if category (with parents) could not be found
+#===============================================================================
+if(!isset($categories)) {
+ Application::error404();
+}
+
+#===============================================================================
+# The last element represents the current category
+#===============================================================================
+$Category = $categories[array_key_last($categories)];
+
+#===============================================================================
+# If category with parents was found by alternative, redirect to correct URL
+#===============================================================================
+if(isset($redirect_scheduled)) {
+ HTTP::redirect(Application::getEntityURL($Category));
+}
+
+#===============================================================================
+# Generate category template data (including parents)
+#===============================================================================
+foreach($categories as $_Category) {
+ $category_list[] = generateItemTemplateData($_Category);
+}
+
+#===============================================================================
+# Define data variable for current category
+#===============================================================================
+$category_data = $category_list[array_key_last($category_list)];
+
+#===============================================================================
+# Generate category children list
+#===============================================================================
+$child_categories = $CategoryRepository->getAll(
+ ['parent' => $Category->getID()],
+ Application::get('CATEGORY.LIST_SORT')
+);
+
+foreach($child_categories as $ChildCategory) {
+ $child_templates[] = generateCategoryItemTemplate($ChildCategory);
+}
+
+#===============================================================================
+# Pagination (for posts in this category)
+#===============================================================================
+$site_size = Application::get('POST.LIST_SIZE');
+$site_sort = Application::get('POST.LIST_SORT');
+
+$count = $PostRepository->getCountByCategory($Category);
+$lastSite = ceil($count / $site_size);
+
+$currentSite = HTTP::GET('site') ?? 1;
+$currentSite = intval($currentSite);
+
+if($currentSite < 1 OR ($currentSite > $lastSite AND $lastSite > 0)) {
+ Application::error404();
+}
+
+#===============================================================================
+# Get paginated post list for this category
+#===============================================================================
+$posts = $PostRepository->getAll(
+ ['category' => $Category->getID()],
+ $site_sort,
+ ($currentSite-1) * $site_size.','.$site_size
+);
+
+foreach($posts as $Post) {
+ $User = $UserRepository->find($Post->get('user'));
+ $post_templates[] = generatePostItemTemplate($Post, $User);
+}
+
+#===============================================================================
+# Build document
+#===============================================================================
+$CategoryTemplate = Template\Factory::build('category/main');
+$CategoryTemplate->set('CATEGORY', $category_data);
+$CategoryTemplate->set('CATEGORIES', $category_list ?? []);
+$CategoryTemplate->set('COUNT', [
+ 'POST' => $PostRepository->getCountByCategory($Category),
+ 'CHILDREN' => $CategoryRepository->getChildrenCount($Category)
+]);
+$CategoryTemplate->set('PAGINATION', [
+ 'THIS' => $currentSite,
+ 'LAST' => $lastSite,
+ 'HTML' => generatePostNaviTemplate($currentSite)
+]);
+$CategoryTemplate->set('LIST', [
+ 'POSTS' => $post_templates ?? [],
+ 'CATEGORIES' => $child_templates ?? []
+]);
+
+$MainTemplate = Template\Factory::build('main');
+$MainTemplate->set('TYPE', 'CATEGORY');
+$MainTemplate->set('CATEGORY', $category_data);
+$MainTemplate->set('CATEGORIES', $category_list ?? []);
+$MainTemplate->set('HTML', $CategoryTemplate);
+$MainTemplate->set('HEAD', [
+ 'NAME' => $category_data['ATTR']['NAME'],
+ 'DESC' => description($category_data['BODY']['HTML'](),
+ Application::get('CATEGORY.DESCRIPTION_SIZE')),
+ 'PERM' => $category_data['URL'],
+ 'OG_IMAGES' => $category_data['FILE']['LIST']
+]);
+
+echo $MainTemplate;
diff --git a/core/include/post/main.php b/core/include/post/main.php
index 86008f6..bfccc7b 100644
--- a/core/include/post/main.php
+++ b/core/include/post/main.php
@@ -2,6 +2,7 @@
#===============================================================================
# Get repositories
#===============================================================================
+$CategoryRepository = Application::getRepository('Category');
$PostRepository = Application::getRepository('Post');
$UserRepository = Application::getRepository('User');
@@ -50,11 +51,27 @@ if($NextPost = $PostRepository->findNext($Post)) {
}
#===============================================================================
+# Generate category template data (including parents)
+#===============================================================================
+foreach($CategoryRepository->findWithParents($Post->get('category')) as $Category) {
+ $category_list[] = generateItemTemplateData($Category);
+}
+
+#===============================================================================
+# Define data variable for current category
+#===============================================================================
+if(isset($category_list)) {
+ $category_data = $category_list[array_key_last($category_list)];
+}
+
+#===============================================================================
# Build document
#===============================================================================
$PostTemplate = Template\Factory::build('post/main');
$PostTemplate->set('POST', $post_data);
$PostTemplate->set('USER', $user_data);
+$PostTemplate->set('CATEGORY', $category_data ?? []);
+$PostTemplate->set('CATEGORIES', $category_list ?? []);
$MainTemplate = Template\Factory::build('main');
$MainTemplate->set('TYPE', 'POST');
diff --git a/core/namespace/Application.php b/core/namespace/Application.php
index 2329253..5690841 100644
--- a/core/namespace/Application.php
+++ b/core/namespace/Application.php
@@ -141,6 +141,13 @@ class Application {
}
#===============================================================================
+ # Return absolute category URL
+ #===============================================================================
+ public static function getCategoryURL($more = ''): string {
+ return self::getURL(self::get('CATEGORY.DIRECTORY')."/{$more}");
+ }
+
+ #===============================================================================
# Return absolute post URL
#===============================================================================
public static function getPostURL($more = ''): string {
@@ -188,6 +195,9 @@ class Application {
#===============================================================================
public static function getEntityURL(EntityInterface $Entity) {
switch($class = get_class($Entity)) {
+ case 'ORM\Entities\Category':
+ $attr = self::get('CATEGORY.SLUG_URLS') ? 'slug' : 'id';
+ return self::getCategoryURL($Entity->get($attr).'/');
case 'ORM\Entities\Page':
$attr = self::get('PAGE.SLUG_URLS') ? 'slug' : 'id';
return self::getPageURL($Entity->get($attr).'/');
diff --git a/core/namespace/ORM/Entities/Category.php b/core/namespace/ORM/Entities/Category.php
new file mode 100644
index 0000000..17560a7
--- /dev/null
+++ b/core/namespace/ORM/Entities/Category.php
@@ -0,0 +1,14 @@
+<?php
+namespace ORM\Entities;
+use ORM\Entity;
+
+class Category extends Entity {
+ protected $id = FALSE;
+ protected $parent = FALSE;
+ protected $slug = FALSE;
+ protected $name = FALSE;
+ protected $body = FALSE;
+ protected $argv = FALSE;
+ protected $time_insert = FALSE;
+ protected $time_update = FALSE;
+}
diff --git a/core/namespace/ORM/Entities/Post.php b/core/namespace/ORM/Entities/Post.php
index e6bff36..080f01f 100644
--- a/core/namespace/ORM/Entities/Post.php
+++ b/core/namespace/ORM/Entities/Post.php
@@ -3,12 +3,13 @@ namespace ORM\Entities;
use ORM\Entity;
class Post extends Entity {
- protected $id = FALSE;
- protected $user = FALSE;
- protected $slug = FALSE;
- protected $name = FALSE;
- protected $body = FALSE;
- protected $argv = FALSE;
+ protected $id = FALSE;
+ protected $user = FALSE;
+ protected $category = FALSE;
+ protected $slug = FALSE;
+ protected $name = FALSE;
+ protected $body = FALSE;
+ protected $argv = FALSE;
protected $time_insert = FALSE;
protected $time_update = FALSE;
}
diff --git a/core/namespace/ORM/Repositories/Category.php b/core/namespace/ORM/Repositories/Category.php
new file mode 100644
index 0000000..bd7d060
--- /dev/null
+++ b/core/namespace/ORM/Repositories/Category.php
@@ -0,0 +1,138 @@
+<?php
+namespace ORM\Repositories;
+use ORM\Repository;
+use ORM\EntityInterface;
+use ORM\Entities\Category as CategoryEntity;
+
+class Category extends Repository {
+ public static function getTableName(): string { return 'category'; }
+ public static function getClassName(): string { return 'ORM\Entities\Category'; }
+
+ #===============================================================================
+ # Find category with parents based on primary key
+ #===============================================================================
+ public function findWithParents($id): array {
+ return $this->findWithParentsBy('id', $id);
+ }
+
+ #===============================================================================
+ # Find category with parents based on specific field comparison
+ #===============================================================================
+ public function findWithParentsBy(string $field, $value): array {
+ $query = 'WITH RECURSIVE tree AS (
+ SELECT *, 0 AS _depth FROM %s WHERE %s %s UNION
+ SELECT c.*, _depth+1 FROM %s c, tree WHERE tree.parent = c.id
+ ) SELECT * FROM tree ORDER BY _depth DESC';
+
+ $table = static::getTableName();
+ $check = is_null($value) ? 'IS NULL': '= ?';
+ $query = sprintf($query, $table, $field, $check, $table);
+
+ $Statement = $this->Database->prepare($query);
+ $Statement->execute([$value]);
+
+ # TODO: Virtual column _depth shall not be fetched into the entity class
+ if($entities = $Statement->fetchAll($this->Database::FETCH_CLASS, static::getClassName())) {
+ $this->storeMultipleInstances($entities);
+ return $entities;
+ }
+
+ return [];
+ }
+
+ #===============================================================================
+ # Get paginated category tree list
+ #===============================================================================
+ public function getPaginatedTree(int $limit, int $offset = 0): array {
+ $query = 'WITH RECURSIVE tree AS (
+ SELECT *, name AS _depth FROM %s WHERE parent IS NULL UNION
+ SELECT c.*, CONCAT(_depth, "/", c.name) AS _depth FROM %s c INNER JOIN tree ON tree.id = c.parent
+ ) SELECT * FROM tree ORDER BY _depth %s';
+
+ $_limit = "LIMIT $limit";
+
+ if($offset) {
+ $_limit = "LIMIT $offset,$limit";
+ }
+
+ $table = static::getTableName();
+ $query = sprintf($query, $table, $table, $_limit);
+
+ $Statement = $this->Database->prepare($query);
+ $Statement->execute();
+
+ if($entities = $Statement->fetchAll($this->Database::FETCH_CLASS, static::getClassName())) {
+ $this->storeMultipleInstances($entities);
+ return $entities;
+ }
+
+ return [];
+ }
+
+ #===============================================================================
+ # Get children count of $Category
+ #===============================================================================
+ public function getChildrenCount(CategoryEntity $Category): int {
+ $query = 'WITH RECURSIVE tree AS (
+ SELECT * FROM %s WHERE id = ? UNION
+ SELECT c.* FROM %s c, tree WHERE tree.id = c.parent
+ ) SELECT COUNT(id) FROM tree WHERE id != ?';
+
+ $query = sprintf($query,
+ static::getTableName(),
+ static::getTableName()
+ );
+
+ $Statement = $this->Database->prepare($query);
+ $Statement->execute([$Category->getID(), $Category->getID()]);
+
+ return $Statement->fetchColumn();
+ }
+
+ #===============================================================================
+ # Update category (and check for parent/child circular loops)
+ #===============================================================================
+ public function update(EntityInterface $Entity): bool {
+ # Entity parent might have changed *in memory*, so we re-fetch the original
+ # parent of the entity from the database and save it in a variable.
+ # TODO: Repository/Entity class should have a mechanism to detect changes!
+ $query = 'SELECT parent FROM %s WHERE id = ?';
+ $query = sprintf($query, static::getTableName());
+
+ $Statement = $this->Database->prepare($query);
+ $Statement->execute([$Entity->getID()]);
+
+ $parent = $Statement->fetchColumn();
+
+ # If parent is unchanged, circular loop check is not needed.
+ if($parent === $Entity->get('parent')) {
+ return parent::update($Entity);
+ }
+
+ $query = 'SELECT parent FROM %s WHERE id = ?';
+ $query = sprintf($query, static::getTableName());
+
+ $Statement = $this->Database->prepare($query);
+ $_parent = $Entity->get('parent');
+
+ # Fetch the parent of the *new* parent category and let the while loop run through
+ # the tree until either a parent of "NULL" was found or if the new parent category
+ # is a *child* of the *current* category which would cause a circular loop.
+ while($Statement->execute([$_parent]) && $_parent = $Statement->fetchColumn()) {
+ if($_parent == $Entity->get('id')) {
+ # Set parent of the *new* parent category to the *original* parent category
+ # of the *current* category (one level up) to prevent a circular loop.
+ $query = 'UPDATE %s SET parent = ? WHERE id = ?';
+ $query = sprintf($query, static::getTableName());
+
+ $UpdateStatement = $this->Database->prepare($query);
+ $UpdateStatement->execute([$parent, $Entity->get('parent')]);
+ break;
+ } else if($_parent === NULL) {
+ break;
+ }
+ }
+
+ return parent::update($Entity);
+ }
+}
diff --git a/core/namespace/ORM/Repositories/Post.php b/core/namespace/ORM/Repositories/Post.php
index 8eac12f..d6328e6 100644
--- a/core/namespace/ORM/Repositories/Post.php
+++ b/core/namespace/ORM/Repositories/Post.php
@@ -2,6 +2,7 @@
namespace ORM\Repositories;
use ORM\Repository;
use ORM\Entities\User;
+use ORM\Entities\Category;
class Post extends Repository {
public static function getTableName(): string { return 'post'; }
@@ -16,4 +17,15 @@ class Post extends Repository {
return $Statement->fetchColumn();
}
+
+ # TODO: This only gets the count of the direct category, not its children
+ public function getCountByCategory(Category $Category): int {
+ $query = 'SELECT COUNT(id) FROM %s WHERE category = ?';
+ $query = sprintf($query, static::getTableName());
+
+ $Statement = $this->Database->prepare($query);
+ $Statement->execute([$Category->getID()]);
+
+ return $Statement->fetchColumn();
+ }
}