588 lines
18 KiB
PHP
588 lines
18 KiB
PHP
<?php
|
|
/**
|
|
* PHP grocery CRUD
|
|
*
|
|
* LICENSE
|
|
*
|
|
* Grocery CRUD is released with dual licensing, using the GPL v3 (license-gpl3.txt) and the MIT license (license-mit.txt).
|
|
* You don't have to do anything special to choose one license or the other and you don't have to notify anyone which license you are using.
|
|
* Please see the corresponding license file for details of these licenses.
|
|
* You are free to use, modify and distribute this software, but all copyright information must remain.
|
|
*
|
|
* @package grocery CRUD
|
|
* @copyright Copyright (c) 2010 through 2012, John Skoumbourdis
|
|
* @license https://github.com/scoumbourdis/grocery-crud/blob/master/license-grocery-crud.txt
|
|
* @version 1.4.2
|
|
* @author John Skoumbourdis <scoumbourdisj@gmail.com>
|
|
*/
|
|
|
|
// ------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Grocery CRUD Model
|
|
*
|
|
*
|
|
* @package grocery CRUD
|
|
* @author John Skoumbourdis <scoumbourdisj@gmail.com>
|
|
* @version 1.5.6
|
|
* @link http://www.grocerycrud.com/documentation
|
|
*/
|
|
class Grocery_crud_model extends CI_Model {
|
|
|
|
protected $primary_key = null;
|
|
protected $table_name = null;
|
|
protected $relation = array();
|
|
protected $relation_n_n = array();
|
|
protected $primary_keys = array();
|
|
|
|
function __construct()
|
|
{
|
|
parent::__construct();
|
|
}
|
|
|
|
function db_table_exists($table_name = null)
|
|
{
|
|
return $this->db->table_exists($table_name);
|
|
}
|
|
|
|
function get_list()
|
|
{
|
|
if($this->table_name === null)
|
|
return false;
|
|
|
|
$select = "`{$this->table_name}`.*";
|
|
|
|
//set_relation special queries
|
|
if(!empty($this->relation))
|
|
{
|
|
foreach($this->relation as $relation)
|
|
{
|
|
list($field_name , $related_table , $related_field_title) = $relation;
|
|
$unique_join_name = $this->_unique_join_name($field_name);
|
|
$unique_field_name = $this->_unique_field_name($field_name);
|
|
|
|
if(strstr($related_field_title,'{'))
|
|
{
|
|
$related_field_title = str_replace(" "," ",$related_field_title);
|
|
$select .= ", CONCAT('".str_replace(array('{','}'),array("',COALESCE({$unique_join_name}.",", ''),'"),str_replace("'","\\'",$related_field_title))."') as $unique_field_name";
|
|
}
|
|
else
|
|
{
|
|
$select .= ", $unique_join_name.$related_field_title AS $unique_field_name";
|
|
}
|
|
|
|
if($this->field_exists($related_field_title))
|
|
$select .= ", `{$this->table_name}`.$related_field_title AS '{$this->table_name}.$related_field_title'";
|
|
}
|
|
}
|
|
|
|
//set_relation_n_n special queries. We prefer sub queries from a simple join for the relation_n_n as it is faster and more stable on big tables.
|
|
if(!empty($this->relation_n_n))
|
|
{
|
|
$select = $this->relation_n_n_queries($select);
|
|
}
|
|
|
|
$this->db->select($select, false);
|
|
|
|
$results = $this->db->get($this->table_name)->result();
|
|
|
|
return $results;
|
|
}
|
|
|
|
public function get_row($table_name = null)
|
|
{
|
|
$table_name = $table_name === null ? $this->table_name : $table_name;
|
|
|
|
return $this->db->get($table_name)->row();
|
|
}
|
|
|
|
public function set_primary_key($field_name, $table_name = null)
|
|
{
|
|
$table_name = $table_name === null ? $this->table_name : $table_name;
|
|
|
|
$this->primary_keys[$table_name] = $field_name;
|
|
}
|
|
|
|
protected function relation_n_n_queries($select)
|
|
{
|
|
$this_table_primary_key = $this->get_primary_key();
|
|
foreach($this->relation_n_n as $relation_n_n)
|
|
{
|
|
list($field_name, $relation_table, $selection_table, $primary_key_alias_to_this_table,
|
|
$primary_key_alias_to_selection_table, $title_field_selection_table, $priority_field_relation_table) = array_values((array)$relation_n_n);
|
|
|
|
$primary_key_selection_table = $this->get_primary_key($selection_table);
|
|
|
|
$field = "";
|
|
$use_template = strpos($title_field_selection_table,'{') !== false;
|
|
$field_name_hash = $this->_unique_field_name($title_field_selection_table);
|
|
if($use_template)
|
|
{
|
|
$title_field_selection_table = str_replace(" ", " ", $title_field_selection_table);
|
|
$field .= "CONCAT('".str_replace(array('{','}'),array("',COALESCE(",", ''),'"),str_replace("'","\\'",$title_field_selection_table))."')";
|
|
}
|
|
else
|
|
{
|
|
$field .= "$selection_table.$title_field_selection_table";
|
|
}
|
|
|
|
//Sorry Codeigniter but you cannot help me with the subquery!
|
|
$select .= ", (SELECT GROUP_CONCAT(DISTINCT $field) FROM $selection_table "
|
|
."LEFT JOIN $relation_table ON $relation_table.$primary_key_alias_to_selection_table = $selection_table.$primary_key_selection_table "
|
|
."WHERE $relation_table.$primary_key_alias_to_this_table = `{$this->table_name}`.$this_table_primary_key GROUP BY $relation_table.$primary_key_alias_to_this_table) AS $field_name";
|
|
}
|
|
|
|
return $select;
|
|
}
|
|
|
|
function order_by($order_by , $direction)
|
|
{
|
|
$this->db->order_by( $order_by , $direction );
|
|
}
|
|
|
|
function where($key, $value = NULL, $escape = TRUE)
|
|
{
|
|
$this->db->where( $key, $value, $escape);
|
|
}
|
|
|
|
function or_where($key, $value = NULL, $escape = TRUE)
|
|
{
|
|
$this->db->or_where( $key, $value, $escape);
|
|
}
|
|
|
|
function having($key, $value = NULL, $escape = TRUE)
|
|
{
|
|
$this->db->having( $key, $value, $escape);
|
|
}
|
|
|
|
function or_having($key, $value = NULL, $escape = TRUE)
|
|
{
|
|
$this->db->or_having( $key, $value, $escape);
|
|
}
|
|
|
|
function like($field, $match = '', $side = 'both')
|
|
{
|
|
$this->db->like($field, $match, $side);
|
|
}
|
|
|
|
function or_like($field, $match = '', $side = 'both')
|
|
{
|
|
$this->db->or_like($field, $match, $side);
|
|
}
|
|
|
|
function limit($value, $offset = '')
|
|
{
|
|
$this->db->limit( $value , $offset );
|
|
}
|
|
|
|
function get_total_results()
|
|
{
|
|
// A fast way to calculate the total results
|
|
$key = $this->get_primary_key();
|
|
|
|
//set_relation_n_n special queries. We prefer sub queries from a simple join for the relation_n_n as it is faster and more stable on big tables.
|
|
if(!empty($this->relation_n_n))
|
|
{
|
|
$select = "{$this->table_name}." . $key;
|
|
$select = $this->relation_n_n_queries($select);
|
|
|
|
$this->db->select($select,false);
|
|
} else {
|
|
$this->db->select($this->table_name . '.' . $key);
|
|
}
|
|
|
|
return $this->db->get($this->table_name)->num_rows();
|
|
}
|
|
|
|
function set_basic_table($table_name = null)
|
|
{
|
|
if( !($this->db->table_exists($table_name)) )
|
|
return false;
|
|
|
|
$this->table_name = $table_name;
|
|
|
|
return true;
|
|
}
|
|
|
|
function get_edit_values($primary_key_value)
|
|
{
|
|
$primary_key_field = $this->get_primary_key();
|
|
$this->db->where($primary_key_field,$primary_key_value);
|
|
$result = $this->db->get($this->table_name)->row();
|
|
return $result;
|
|
}
|
|
|
|
function join_relation($field_name , $related_table , $related_field_title)
|
|
{
|
|
$related_primary_key = $this->get_primary_key($related_table);
|
|
|
|
if($related_primary_key !== false)
|
|
{
|
|
$unique_name = $this->_unique_join_name($field_name);
|
|
$this->db->join( $related_table.' as '.$unique_name , "$unique_name.$related_primary_key = {$this->table_name}.$field_name",'left');
|
|
|
|
$this->relation[$field_name] = array($field_name , $related_table , $related_field_title);
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
function set_relation_n_n_field($field_info)
|
|
{
|
|
$this->relation_n_n[$field_info->field_name] = $field_info;
|
|
}
|
|
|
|
protected function _unique_join_name($field_name)
|
|
{
|
|
return 'j'.substr(md5($field_name),0,8); //This j is because is better for a string to begin with a letter and not with a number
|
|
}
|
|
|
|
protected function _unique_field_name($field_name)
|
|
{
|
|
return 's'.substr(md5($field_name),0,8); //This s is because is better for a string to begin with a letter and not with a number
|
|
}
|
|
|
|
function get_relation_array($field_name , $related_table , $related_field_title, $where_clause, $order_by, $limit = null, $search_like = null)
|
|
{
|
|
$relation_array = array();
|
|
$field_name_hash = $this->_unique_field_name($field_name);
|
|
|
|
$related_primary_key = $this->get_primary_key($related_table);
|
|
|
|
$select = "$related_table.$related_primary_key, ";
|
|
|
|
if(strstr($related_field_title,'{'))
|
|
{
|
|
$related_field_title = str_replace(" ", " ", $related_field_title);
|
|
$select .= "CONCAT('".str_replace(array('{','}'),array("',COALESCE(",", ''),'"),str_replace("'","\\'",$related_field_title))."') as $field_name_hash";
|
|
}
|
|
else
|
|
{
|
|
$select .= "$related_table.$related_field_title as $field_name_hash";
|
|
}
|
|
|
|
$this->db->select($select,false);
|
|
if($where_clause !== null)
|
|
$this->db->where($where_clause);
|
|
|
|
if($where_clause !== null)
|
|
$this->db->where($where_clause);
|
|
|
|
if($limit !== null)
|
|
$this->db->limit($limit);
|
|
|
|
if($search_like !== null)
|
|
$this->db->having("$field_name_hash LIKE '%".$this->db->escape_like_str($search_like)."%'");
|
|
|
|
$order_by !== null
|
|
? $this->db->order_by($order_by)
|
|
: $this->db->order_by($field_name_hash);
|
|
|
|
$results = $this->db->get($related_table)->result();
|
|
|
|
foreach($results as $row)
|
|
{
|
|
$relation_array[$row->$related_primary_key] = $row->$field_name_hash;
|
|
}
|
|
|
|
return $relation_array;
|
|
}
|
|
|
|
function get_ajax_relation_array($search, $field_name , $related_table , $related_field_title, $where_clause, $order_by)
|
|
{
|
|
return $this->get_relation_array($field_name , $related_table , $related_field_title, $where_clause, $order_by, 10 , $search);
|
|
}
|
|
|
|
function get_relation_total_rows($field_name , $related_table , $related_field_title, $where_clause)
|
|
{
|
|
if($where_clause !== null)
|
|
$this->db->where($where_clause);
|
|
|
|
return $this->db->count_all_results($related_table);
|
|
}
|
|
|
|
function get_relation_n_n_selection_array($primary_key_value, $field_info)
|
|
{
|
|
$select = "";
|
|
$related_field_title = $field_info->title_field_selection_table;
|
|
$use_template = strpos($related_field_title,'{') !== false;;
|
|
$field_name_hash = $this->_unique_field_name($related_field_title);
|
|
if($use_template)
|
|
{
|
|
$related_field_title = str_replace(" ", " ", $related_field_title);
|
|
$select .= "CONCAT('".str_replace(array('{','}'),array("',COALESCE(",", ''),'"),str_replace("'","\\'",$related_field_title))."') as $field_name_hash";
|
|
}
|
|
else
|
|
{
|
|
$select .= "$related_field_title as $field_name_hash";
|
|
}
|
|
$this->db->select('*, '.$select,false);
|
|
|
|
$selection_primary_key = $this->get_primary_key($field_info->selection_table);
|
|
|
|
if(empty($field_info->priority_field_relation_table))
|
|
{
|
|
if(!$use_template){
|
|
$this->db->order_by("{$field_info->selection_table}.{$field_info->title_field_selection_table}");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$this->db->order_by("{$field_info->relation_table}.{$field_info->priority_field_relation_table}");
|
|
}
|
|
$this->db->where($field_info->primary_key_alias_to_this_table, $primary_key_value);
|
|
$this->db->join(
|
|
$field_info->selection_table,
|
|
"{$field_info->relation_table}.{$field_info->primary_key_alias_to_selection_table} = {$field_info->selection_table}.{$selection_primary_key}"
|
|
);
|
|
$results = $this->db->get($field_info->relation_table)->result();
|
|
|
|
$results_array = array();
|
|
foreach($results as $row)
|
|
{
|
|
$results_array[$row->{$field_info->primary_key_alias_to_selection_table}] = $row->{$field_name_hash};
|
|
}
|
|
|
|
return $results_array;
|
|
}
|
|
|
|
function get_relation_n_n_unselected_array($field_info, $selected_values)
|
|
{
|
|
$use_where_clause = !empty($field_info->where_clause);
|
|
|
|
$select = "";
|
|
$related_field_title = $field_info->title_field_selection_table;
|
|
$use_template = strpos($related_field_title,'{') !== false;
|
|
$field_name_hash = $this->_unique_field_name($related_field_title);
|
|
|
|
if($use_template)
|
|
{
|
|
$related_field_title = str_replace(" ", " ", $related_field_title);
|
|
$select .= "CONCAT('".str_replace(array('{','}'),array("',COALESCE(",", ''),'"),str_replace("'","\\'",$related_field_title))."') as $field_name_hash";
|
|
}
|
|
else
|
|
{
|
|
$select .= "$related_field_title as $field_name_hash";
|
|
}
|
|
$this->db->select('*, '.$select,false);
|
|
|
|
if($use_where_clause){
|
|
$this->db->where($field_info->where_clause);
|
|
}
|
|
|
|
$selection_primary_key = $this->get_primary_key($field_info->selection_table);
|
|
if(!$use_template)
|
|
$this->db->order_by("{$field_info->selection_table}.{$field_info->title_field_selection_table}");
|
|
$results = $this->db->get($field_info->selection_table)->result();
|
|
|
|
$results_array = array();
|
|
foreach($results as $row)
|
|
{
|
|
if(!isset($selected_values[$row->$selection_primary_key]))
|
|
$results_array[$row->$selection_primary_key] = $row->{$field_name_hash};
|
|
}
|
|
|
|
return $results_array;
|
|
}
|
|
|
|
function db_relation_n_n_update($field_info, $post_data ,$main_primary_key)
|
|
{
|
|
$this->db->where($field_info->primary_key_alias_to_this_table, $main_primary_key);
|
|
if(!empty($post_data))
|
|
$this->db->where_not_in($field_info->primary_key_alias_to_selection_table , $post_data);
|
|
$this->db->delete($field_info->relation_table);
|
|
|
|
$counter = 0;
|
|
if(!empty($post_data))
|
|
{
|
|
foreach($post_data as $primary_key_value)
|
|
{
|
|
$where_array = array(
|
|
$field_info->primary_key_alias_to_this_table => $main_primary_key,
|
|
$field_info->primary_key_alias_to_selection_table => $primary_key_value,
|
|
);
|
|
|
|
$this->db->where($where_array);
|
|
$count = $this->db->from($field_info->relation_table)->count_all_results();
|
|
|
|
if($count == 0)
|
|
{
|
|
if(!empty($field_info->priority_field_relation_table))
|
|
$where_array[$field_info->priority_field_relation_table] = $counter;
|
|
|
|
$this->db->insert($field_info->relation_table, $where_array);
|
|
|
|
}elseif($count >= 1 && !empty($field_info->priority_field_relation_table))
|
|
{
|
|
$this->db->update( $field_info->relation_table, array($field_info->priority_field_relation_table => $counter) , $where_array);
|
|
}
|
|
|
|
$counter++;
|
|
}
|
|
}
|
|
}
|
|
|
|
function db_relation_n_n_delete($field_info, $main_primary_key)
|
|
{
|
|
$this->db->where($field_info->primary_key_alias_to_this_table, $main_primary_key);
|
|
$this->db->delete($field_info->relation_table);
|
|
}
|
|
|
|
function get_field_types_basic_table()
|
|
{
|
|
$db_field_types = array();
|
|
foreach($this->db->query("SHOW COLUMNS FROM `{$this->table_name}`")->result() as $db_field_type)
|
|
{
|
|
$type = explode("(",$db_field_type->Type);
|
|
$db_type = $type[0];
|
|
|
|
if(isset($type[1]))
|
|
{
|
|
if(substr($type[1],-1) == ')')
|
|
{
|
|
$length = substr($type[1],0,-1);
|
|
}
|
|
else
|
|
{
|
|
list($length) = explode(" ",$type[1]);
|
|
$length = substr($length,0,-1);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$length = '';
|
|
}
|
|
$db_field_types[$db_field_type->Field]['db_max_length'] = $length;
|
|
$db_field_types[$db_field_type->Field]['db_type'] = $db_type;
|
|
$db_field_types[$db_field_type->Field]['db_null'] = $db_field_type->Null == 'YES' ? true : false;
|
|
$db_field_types[$db_field_type->Field]['db_extra'] = $db_field_type->Extra;
|
|
}
|
|
|
|
$results = $this->db->field_data($this->table_name);
|
|
foreach($results as $num => $row)
|
|
{
|
|
$row = (array)$row;
|
|
$results[$num] = (object)( array_merge($row, $db_field_types[$row['name']]) );
|
|
}
|
|
|
|
return $results;
|
|
}
|
|
|
|
function get_field_types($table_name)
|
|
{
|
|
$results = $this->db->field_data($table_name);
|
|
|
|
return $results;
|
|
}
|
|
|
|
function db_update($post_array, $primary_key_value)
|
|
{
|
|
$primary_key_field = $this->get_primary_key();
|
|
return $this->db->update($this->table_name,$post_array, array( $primary_key_field => $primary_key_value));
|
|
}
|
|
|
|
function db_insert($post_array)
|
|
{
|
|
$insert = $this->db->insert($this->table_name,$post_array);
|
|
if($insert)
|
|
{
|
|
return $this->db->insert_id();
|
|
}
|
|
return false;
|
|
}
|
|
|
|
function db_delete($primary_key_value)
|
|
{
|
|
$primary_key_field = $this->get_primary_key();
|
|
|
|
if($primary_key_field === false)
|
|
return false;
|
|
|
|
$this->db->limit(1);
|
|
$this->db->delete($this->table_name,array( $primary_key_field => $primary_key_value));
|
|
if( $this->db->affected_rows() != 1)
|
|
return false;
|
|
else
|
|
return true;
|
|
}
|
|
|
|
function db_file_delete($field_name, $filename)
|
|
{
|
|
if( $this->db->update($this->table_name,array($field_name => ''),array($field_name => $filename)) )
|
|
{
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
function field_exists($field,$table_name = null)
|
|
{
|
|
if(empty($table_name))
|
|
{
|
|
$table_name = $this->table_name;
|
|
}
|
|
return $this->db->field_exists($field,$table_name);
|
|
}
|
|
|
|
function get_primary_key($table_name = null)
|
|
{
|
|
if($table_name == null)
|
|
{
|
|
if(isset($this->primary_keys[$this->table_name]))
|
|
{
|
|
return $this->primary_keys[$this->table_name];
|
|
}
|
|
|
|
if(empty($this->primary_key))
|
|
{
|
|
$fields = $this->get_field_types_basic_table();
|
|
|
|
foreach($fields as $field)
|
|
{
|
|
if($field->primary_key == 1)
|
|
{
|
|
return $field->name;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
return $this->primary_key;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(isset($this->primary_keys[$table_name]))
|
|
{
|
|
return $this->primary_keys[$table_name];
|
|
}
|
|
|
|
$fields = $this->get_field_types($table_name);
|
|
|
|
foreach($fields as $field)
|
|
{
|
|
if($field->primary_key == 1)
|
|
{
|
|
return $field->name;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
}
|
|
|
|
function escape_str($value)
|
|
{
|
|
return $this->db->escape_str($value);
|
|
}
|
|
|
|
}
|