696 lines
14 KiB
PHP
696 lines
14 KiB
PHP
<?php
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/**
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* meta
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*
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* Simple hierarchial data management
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*
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* @package meta
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* @author Timothy J. Warren
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* @copyright Copyright (c) 2012
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* @link https://github.com/aviat4ion/meta
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* @license http://philsturgeon.co.uk/code/dbad-license
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*/
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// --------------------------------------------------------------------------
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namespace Meta\Model;
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use \Meta\Base\db;
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/**
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* Main Model for DB interaction
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*/
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class Data extends \Meta\Base\Model {
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/**
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* Reference to database connection
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*
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* @var Query_Builder
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*/
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protected $db;
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/**
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* Reference to session
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*
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* @var Session
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*/
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protected $session;
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/**
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* Initialize the model
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*/
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public function __construct()
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{
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parent::__construct();
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$this->db = db::get_instance();
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}
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// --------------------------------------------------------------------------
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// ! Data Manipulation
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// --------------------------------------------------------------------------
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/**
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* Delete a genre/category/section or data item
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*
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* @param string $type
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* @param int $id
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* @return bool
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*/
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public function delete($type, $id)
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{
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try
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{
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$this->db->where('id', (int) $id)
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->delete($type);
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}
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catch (\PDOException $e)
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{
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return FALSE;
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}
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return TRUE;
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}
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// --------------------------------------------------------------------------
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/**
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* Move a category/section/data item to another parent
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*
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* @param string
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* @param int
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* @param int
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*/
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public function move($type, $type_id, $parent_id)
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{
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$parent_type = array(
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'data' => 'section',
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'section' => 'category',
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'category' => 'genre'
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);
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$parent_field = "{$parent_type[$type]}_id";
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$this->db->set($parent_field, $parent_id)
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->where('id', (int) $type_id)
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->update($type);
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}
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// --------------------------------------------------------------------------
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/**
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* Rename a genre/category/section
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*
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* @param string
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* @param int
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* @param string
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* @return bool
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*/
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public function update($type, $id, $name)
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{
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$query = $this->db->set($type, $name)
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->where('id', (int) $id)
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->update($type);
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return (bool) $query;
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}
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// --------------------------------------------------------------------------
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/**
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* Update the data
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*
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* @param int
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* @param string
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* @param string
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* @return bool
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*/
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public function update_data($data_id, $key, $val)
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{
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// Save the data
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$query = $this->db->set('key', $key)
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->set('value', $val)
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->where('id', (int) $data_id)
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->update('data');
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return (bool) $query;
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}
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// --------------------------------------------------------------------------
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// ! Adding data
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// --------------------------------------------------------------------------
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/**
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* Add genre
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*
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* @param string
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* @return bool
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*/
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public function add_genre($genre)
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{
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// Check for duplicates
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$query = $this->db->from('genre')
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->where('genre', $genre)
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->limit(1)
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->get();
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$res = $query->fetch();
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if (count($res) < 1)
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{
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$id = $this->get_next_id("genre");
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$this->db->set('id', $id)
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->set('genre', $genre)
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->insert('genre');
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return TRUE;
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}
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return FALSE;
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}
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// --------------------------------------------------------------------------
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/**
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* Add category to genre
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*
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* @param string
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* @param int
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* @return bool
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*/
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public function add_category($cat, $genre_id)
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{
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// Check for duplicates
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$query = $this->db->from('category')
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->where('genre_id', $genre_id)
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->where('category', $cat)
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->limit(1)
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->get();
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$res = $query->fetch();
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if (count($res) < 1)
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{
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$id = $this->get_next_id('category');
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$this->db->set('id', $id)
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->set('category', $cat)
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->set('genre_id', $genre_id)
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->insert('category');
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return TRUE;
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}
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return FALSE;
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}
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// --------------------------------------------------------------------------
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/**
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* Add a section to a category
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*
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* @param string
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* @param int
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*/
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public function add_section($section, $category_id)
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{
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// Check if the section exists
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$q = $this->db->from('section')
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->where('category_id', $category_id)
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->where('section', $section)
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->limit(1)
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->get();
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// Fetch the data as a workaround
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// for databases that do not support
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// grabbing result counts (SQLite / Firebird)
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$array = $q->fetchAll();
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if (count($array) < 1)
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{
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$id = $this->get_next_id('section');
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$this->db->set('id', $id)
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->set('section', $section)
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->set('category_id', (int) $category_id)
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->insert('section');
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return TRUE;
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}
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return FALSE;
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}
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// --------------------------------------------------------------------------
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/**
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* Add key/value data to a section
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*
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* @param int
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* @param mixed object/array
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*/
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public function add_data($section_id, $data)
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{
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foreach($data as $key => $val)
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{
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// See if the data exists
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$q = $this->db->from('data')
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->where('section_id', $section_id)
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->where('key', $key)
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->get();
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$res = $q->fetch();
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if (count($res) > 0) return FALSE;
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// Save the data
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$id = $this->get_next_id('data');
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$this->db->set('id', $id)
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->set('key', $key)
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->set('value', $val)
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->set('section_id', (int) $section_id)
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->insert('data');
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}
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return TRUE;
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}
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// --------------------------------------------------------------------------
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// ! Data Retrieval
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// --------------------------------------------------------------------------
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/**
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* Get breadcrumb data for section
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*
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* @param section_id
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* @return array
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*/
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public function get_path_by_section($section_id)
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{
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$query = $this->db->select('genre, genre_id, category, category_id')
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->from('section s')
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->join('category c', 'c.id=s.category_id', 'inner')
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->join('genre g', 'g.id=c.genre_id', 'inner')
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->where('s.id', $section_id)
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->get();
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return $query->fetch(\PDO::FETCH_ASSOC);
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}
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// --------------------------------------------------------------------------
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/**
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* Gets the list of genres
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*
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* @return array
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*/
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public function get_genres()
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{
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$genres = array();
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$query = $this->db->select('id, genre')
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->from('genre')
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->orderBy('genre', 'asc')
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->get();
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while($row = $query->fetch(\PDO::FETCH_ASSOC))
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{
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$genres[$row['id']] = $row['genre'];
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}
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return $genres;
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}
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// --------------------------------------------------------------------------
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/**
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* Gets the name of the genre from its id
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*
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* @param int
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* @return string
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*/
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public function get_genre_by_id($id)
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{
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$query = $this->db->select('genre')
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->from('genre')
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->where('id', (int) $id)
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->get();
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$row = $query->fetch(\PDO::FETCH_ASSOC);
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return $row['genre'];
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}
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// --------------------------------------------------------------------------
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/**
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* Get the genre name by category id
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*
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* @param int
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* @return array
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*/
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public function get_genre_by_category($cat_id)
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{
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$query = $this->db->select('g.id, genre')
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->from('genre g')
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->join('category c', 'c.genre_id=g.id', 'inner')
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->where('c.id', (int)$cat_id)
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->get();
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$row = $query->fetch(\PDO::FETCH_ASSOC);
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return $row;
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}
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// --------------------------------------------------------------------------
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/**
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* Get the categories for the specified genre
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*
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* @param int
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* @return array
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*/
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public function get_categories($genre_id)
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{
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$cats = array();
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$query = $this->db->select('id, category')
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->from('category')
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->where('genre_id', (int) $genre_id)
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->orderBy('category', 'asc')
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->get();
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while($row = $query->fetch(\PDO::FETCH_ASSOC))
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{
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$cats[$row['id']] = $row['category'];
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}
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return $cats;
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}
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// --------------------------------------------------------------------------
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/**
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* Gets the name of the category from its id
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*
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* @param int
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* @return string
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*/
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public function get_category_by_id($id)
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{
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$query = $this->db->select('category')
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->from('category')
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->where('id', (int) $id)
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->get();
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$row = $query->fetch(\PDO::FETCH_ASSOC);
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return $row['category'];
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}
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// --------------------------------------------------------------------------
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/**
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* Get the sections for the specified category id
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*
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* @param int
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* @return array
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*/
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public function get_sections($category_id)
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{
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$sections = array();
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$query = $this->db->select('id, section')
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->from('section')
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->where('category_id', (int) $category_id)
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->orderBy('section', 'asc')
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->get();
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while($row = $query->fetch(\PDO::FETCH_ASSOC))
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{
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$sections[$row['id']] = $row['section'];
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}
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return $sections;
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}
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// --------------------------------------------------------------------------
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/**
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* Gets the name of the section from its id
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*
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* @param int
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* @return string
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*/
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public function get_section_by_id($id)
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{
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$query = $this->db->select('section')
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->from('section')
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->where('id', (int) $id)
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->get();
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$row = $query->fetch(\PDO::FETCH_ASSOC);
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return $row['section'];
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}
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// --------------------------------------------------------------------------
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/**
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* Get the data from the section
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*
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* @param int
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* @return array
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*/
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public function get_data($section_id)
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{
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$data = array();
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$query = $this->db->select('id, key, value')
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->from('data')
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->where('section_id', (int) $section_id)
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->orderBy('key', 'asc')
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->get();
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while($row = $query->fetch(\PDO::FETCH_ASSOC))
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{
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$data[$row['id']] = array($row['key'] => $row['value']);
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}
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return $data;
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}
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// --------------------------------------------------------------------------
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/**
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* Gets the data for the specified id
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*
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* @param int $id
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* @return array
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*/
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public function get_data_by_id($id)
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{
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$query = $this->db->select('key, value')
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->from('data')
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->where('id', (int) $id)
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->get();
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$row = $query->fetch(\PDO::FETCH_ASSOC);
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return $row;
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}
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// --------------------------------------------------------------------------
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/**
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* Get sections and data for a general data outline
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*
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* @param int $category_id
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* @return array
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*/
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public function get_category_outline_data($category_id)
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{
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// Get the sections
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$s_query = $this->db->from('section')
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->where('category_id', (int) $category_id)
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->orderBy('section', 'asc')
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->get();
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$sections = array();
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while($row = $s_query->fetch(\PDO::FETCH_ASSOC))
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{
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$sections[$row['id']] = $row['section'];
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}
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// Get the data for the sections
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$d_array = array();
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if ( ! empty($sections))
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{
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$d_query = $this->db->from('data')
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->whereIn('section_id', array_keys($sections))
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->orderBy('key', 'asc')
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->get();
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while($row = $d_query->fetch(\PDO::FETCH_ASSOC))
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{
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$d_array[$row['section_id']][$row['id']] = array($row['key'] => $row['value']);
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}
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}
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// Reorganize the data
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$data = array();
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foreach($sections as $section_id => $section)
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{
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$data[$section_id] = (isset($d_array[$section_id]))
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? array($section, $d_array[$section_id])
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: $section;
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}
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return $data;
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}
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// --------------------------------------------------------------------------
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/**
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* Get data for a full outline
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*
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* @return array
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*/
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public function get_outline_data()
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{
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// Get the genres
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$query = $this->db->select('g.id, genre,
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c.id AS cat_id, category,
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s.id AS section_id, section')
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->from('genre g')
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->join('category c', 'c.genre_id=g.id', 'inner')
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->join('section s', 's.category_id=c.id', 'inner')
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->orderBy('genre', 'asc')
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->orderBy('category', 'asc')
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->orderBy('section', 'asc')
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->get();
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$return = array();
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// Create the nested array
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while ($row = $query->fetch(\PDO::FETCH_ASSOC))
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{
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extract($row);
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$return[$id][$genre][$cat_id][$category][$section_id] = $section;
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}
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return $return;
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}
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// --------------------------------------------------------------------------
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// ! Miscellaneous methods
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// --------------------------------------------------------------------------
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/**
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* Check if a valid type for editing
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*
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* @param string
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* @return bool
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*/
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public function is_valid_type($str)
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{
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$valid = array(
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'genre','category','section','data'
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);
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return in_array(strtolower($str), $valid);
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}
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// --------------------------------------------------------------------------
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/**
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* Get the id of the last item of the type
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*
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* @param string $type
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* @return int
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*/
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public function get_last_id($type)
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{
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$query = $this->db->select('id')
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->from($type)
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->orderBy('id', 'DESC')
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->limit(1)
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->get();
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$r = $query->fetch(\PDO::FETCH_ASSOC);
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return $r['id'];
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}
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// --------------------------------------------------------------------------
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/**
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* Get the next id for database insertion
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*
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* @param string $table_name
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* @param string $field
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* @return int
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*/
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public function get_next_id($table_name, $field="id")
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{
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$query = $this->db->select("MAX($field) as last_id")
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->from($table_name)
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->limit(1)
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->get();
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$row = $query->fetch(\PDO::FETCH_ASSOC);
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if (empty($row))
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{
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$id = 1;
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}
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else
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{
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$id = intval($row['last_id']) + 1;
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}
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return $id;
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
|
|
public function create_tables()
|
|
{
|
|
$tables = [
|
|
'genre' => $this->db->util->create_table('genre', [
|
|
'id' => 'INT NOT NULL PRIMARY KEY',
|
|
'genre' => 'VARCHAR(255)'
|
|
]),
|
|
'category' => $this->db->util->create_table('category', [
|
|
'id' => 'INT NOT NULL PRIMARY KEY',
|
|
'genre_id' => 'INT NOT NULL',
|
|
'category' => 'VARCHAR(255)'
|
|
],[
|
|
'genre_id' => ' REFERENCES "genre" '
|
|
]),
|
|
'section' => $this->db->util->create_table('section', [
|
|
'id' => 'INT NOT NULL PRIMARY KEY',
|
|
'category_id' => 'INT NOT NULL',
|
|
'section' => 'VARCHAR(255)'
|
|
],[
|
|
'category_id' => ' REFERENCES "category" '
|
|
]),
|
|
'data' => $this->db->util->create_table('data', [
|
|
'id' => 'INT NOT NULL PRIMARY KEY',
|
|
'section_id' => 'INT NOT NULL',
|
|
'key' => 'VARCHAR(255)',
|
|
'value' => 'BLOB SUB_TYPE TEXT'
|
|
],[
|
|
'section_id' => ' REFERENCES "section"'
|
|
])
|
|
];
|
|
|
|
foreach($tables as $table => $sql)
|
|
{
|
|
// Add the table
|
|
$this->db->query($sql);
|
|
echo "{$sql};<br />";
|
|
|
|
}
|
|
}
|
|
}
|
|
// End of data.php
|