Всякий раз, когда я начинаю создавать новое приложение, я обычно начинаю со структуры БД, а затем обхожу ее, создавая контроллеры, модели и представления.
CREATE TABLE `oc_blog` (
`blog_id` int(11) NOT NULL AUTO_INCREMENT,
`image` varchar(255) DEFAULT NULL,
`sort_order` int(3) NOT NULL,
`status` tinyint(1) NOT NULL,
`date_added` datetime,
PRIMARY KEY (`blog_id`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;
CREATE TABLE `oc_blog_description` (
`blog_id` int(11) NOT NULL AUTO_INCREMENT,
`language_id` int(11) NOT NULL,
`title` varchar(64) NOT NULL,
`description` mediumtext NOT NULL,
`meta_title` varchar(255) NOT NULL,
`meta_description` varchar(255) NOT NULL,
`meta_keyword` varchar(255) NOT NULL,
PRIMARY KEY (`blog_id`,`language_id`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_general_ci;
<?php
class ModelCatalogBlog extends Model {
public function addBlog($data) {
$this->db->query("INSERT INTO " . DB_PREFIX . "blog SET sort_order = '" . (int)$data['sort_order'] . "', image = '" . (isset($data['image']) ? (int)$data['image'] : 0) . "', status = '" . (int)$data['status'] . "'");
$blog_id = $this->db->getLastId();
foreach ($data['blog_description'] as $language_id => $value) {
$this->db->query("INSERT INTO " . DB_PREFIX . "blog_description SET blog_id = '" . (int)$blog_id . "', language_id = '" . (int)$language_id . "', title = '" . $this->db->escape($value['title']) . "', description = '" . $this->db->escape($value['description']) . "', meta_title = '" . $this->db->escape($value['meta_title']) . "', meta_description = '" . $this->db->escape($value['meta_description']) . "', meta_keyword = '" . $this->db->escape($value['meta_keyword']) . "'");
}
$this->cache->delete('blog');
return $blog_id;
}
public function editBlog($blog_id, $data) {
$this->db->query("UPDATE " . DB_PREFIX . "blog SET sort_order = '" . (int)$data['sort_order'] . "', image = '" . (isset($data['image']) ? $data['image'] : '') . "', status = '" . (int)$data['status'] . "' WHERE blog_id = '" . (int)$blog_id . "'");
$this->db->query("DELETE FROM " . DB_PREFIX . "blog_description WHERE blog_id = '" . (int)$blog_id . "'");
foreach ($data['blog_description'] as $language_id => $value) {
$this->db->query("INSERT INTO " . DB_PREFIX . "blog_description SET blog_id = '" . (int)$blog_id . "', language_id = '" . (int)$language_id . "', title = '" . $this->db->escape($value['title']) . "', description = '" . $this->db->escape($value['description']) . "', meta_title = '" . $this->db->escape($value['meta_title']) . "', meta_description = '" . $this->db->escape($value['meta_description']) . "', meta_keyword = '" . $this->db->escape($value['meta_keyword']) . "'");
}
$this->cache->delete('blog');
}
public function deleteBlog($blog_id) {
$this->db->query("DELETE FROM `" . DB_PREFIX . "blog` WHERE blog_id = '" . (int)$blog_id . "'");
$this->db->query("DELETE FROM `" . DB_PREFIX . "blog_description` WHERE blog_id = '" . (int)$blog_id . "'");
$this->cache->delete('blog');
}
public function getBlog($blog_id) {
$query = $this->db->query("SELECT DISTINCT * FROM " . DB_PREFIX . "blog WHERE blog_id = '" . (int)$blog_id . "'");
return $query->row;
}
public function getBlogs($data = array()) {
if ($data) {
$sql = "SELECT * FROM " . DB_PREFIX . "blog i LEFT JOIN " . DB_PREFIX . "blog_description id ON (i.blog_id = id.blog_id) WHERE id.language_id = '" . (int)$this->config->get('config_language_id') . "'";
$sort_data = array(
'id.title',
'i.sort_order'
);
if (isset($data['sort']) && in_array($data['sort'], $sort_data)) {
$sql .= " ORDER BY " . $data['sort'];
} else {
$sql .= " ORDER BY id.title";
}
if (isset($data['order']) && ($data['order'] == 'DESC')) {
$sql .= " DESC";
} else {
$sql .= " ASC";
}
if (isset($data['start']) || isset($data['limit'])) {
if ($data['start'] < 0) {
$data['start'] = 0;
}
if ($data['limit'] < 1) {
$data['limit'] = 20;
}
$sql .= " LIMIT " . (int)$data['start'] . "," . (int)$data['limit'];
}
$query = $this->db->query($sql);
return $query->rows;
} else {
$blog_data = $this->cache->get('blog.' . (int)$this->config->get('config_language_id'));
if (!$blog_data) {
$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "blog i LEFT JOIN " . DB_PREFIX . "blog_description id ON (i.blog_id = id.blog_id) WHERE id.language_id = '" . (int)$this->config->get('config_language_id') . "' ORDER BY id.title");
$blog_data = $query->rows;
$this->cache->set('blog.' . (int)$this->config->get('config_language_id'), $blog_data);
}
return $blog_data;
}
}
public function getBlogDescriptions($blog_id) {
$blog_description_data = array();
$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "blog_description WHERE blog_id = '" . (int)$blog_id . "'");
foreach ($query->rows as $result) {
$blog_description_data[$result['language_id']] = array(
'title' => $result['title'],
'description' => $result['description'],
'meta_title' => $result['meta_title'],
'meta_description' => $result['meta_description'],
'meta_keyword' => $result['meta_keyword']
);
}
return $blog_description_data;
}
public function getTotalBlogs() {
$query = $this->db->query("SELECT COUNT(*) AS total FROM " . DB_PREFIX . "blog");
return $query->row['total'];
}
public function install() {
$this->db->query("CREATE TABLE `" . DB_PREFIX . "_blog` (
`blog_id` int(11) NOT NULL AUTO_INCREMENT,
`image` varchar(255) DEFAULT NULL,
`status` tinyint(1) NOT NULL,
PRIMARY KEY (`blog_id`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8");
$this->db->query("CREATE TABLE `oc_blog_description` (
`blog_id` int(11) NOT NULL AUTO_INCREMENT,
`language_id` int(11) NOT NULL,
`title` varchar(64) NOT NULL,
`description` mediumtext NOT NULL,
`meta_title` varchar(255) NOT NULL,
`meta_description` varchar(255) NOT NULL,
`meta_keyword` varchar(255) NOT NULL,
PRIMARY KEY (`blog_id`,`language_id`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_general_ci;");
}
public function uninstall(){
$this->db->query("DROP TABLE `" . DB_PREFIX . "blog`");
$this->db->query("DROP TABLE `" . DB_PREFIX . "blog_description`");
}
}