/**
* Serve fields anotation and description
*
* @param string Field general rule
* @param array Field custom rule
* @param string Field anotation
* @return void
*/
public static final function field($type = '', $args = array(), $schema = '')
{
$rules = array();
$args = is_array($args) ? $args : (array) $args;
$annotations = array();
// Diagnose the type pattern
if (preg_match('/^([^)]+)\\[(.*?)\\]$/', $type, $m) and count($m) == 3) {
// Parsing [n,n]
$type = $m[1];
$constraint = explode(',', $m[2]);
if (count($constraint) == 2) {
$rules[] = 'min_length[' . trim($constraint[0]) . ']';
$rules[] = 'max_length[' . trim($constraint[1]) . ']';
$annotations[] = trim($constraint[1]);
} else {
$rules[] = 'max_length[' . $constraint[0] . ']';
$annotations[] = $constraint[0];
}
}
// Determine each type into its validation rule respectively
switch ($type) {
case 'auto':
$rules[] = 'callback_auto_check';
// Add exception for database spec
if (self::driver('mysql')) {
$annotations[] = 'INT';
$annotations[] = 'unsigned';
$annotations[] = 'auto_increment';
} elseif (self::driver('postgre')) {
$annotations[] = 'SERIAL';
} else {
$annotations[] = 'INTEGER';
}
break;
case 'datetime':
$rules[] = 'callback_date_check';
$annotations[] = 'DATETIME';
break;
case 'string':
$rules[] = 'callback_char_check';
if (self::driver('postgre')) {
$annotations[] = 'VARCHAR';
} else {
$annotations[] = 'TEXT';
}
break;
case 'spatial':
$rules[] = 'callback_char_check';
$annotations[] = 'GEOMETRY';
break;
case 'char':
$rules[] = 'callback_char_check';
$annotations[] = 'VARCHAR';
break;
case 'numeric':
$rules[] = 'numeric';
// Add exception for mysql
if (self::driver('mysql')) {
$annotations[] = 'TINYINT';
} else {
$annotations[] = 'INTEGER';
}
break;
case 'int':
$rules[] = 'integer';
// Add exception for mysql
if (self::driver('mysql')) {
$annotations[] = 'INT';
} else {
$annotations[] = 'INTEGER';
}
break;
case 'email':
$rules[] = 'valid_email';
$annotations[] = 'VARCHAR';
break;
}
// Are there other annotations?
$other_annotations = explode(',', $schema);
// If yes, then merge it with above
if (!empty($other_annotations)) {
$other_annotations = Janitor::arr_trim($other_annotations);
$annotations = array_merge($annotations, $other_annotations);
}
// Merge the rules and separate between internal callback
// And CI validation rules
$callbacks = array();
$rules = array_merge($rules, $args);
foreach ($rules as $index => $rule) {
if (strpos($rule, 'callback') === 0) {
$callbacks[] = str_replace('callback', '', $rule);
unset($rules[$index]);
}
}
// We now have define all rules, callbacks and annotations
return array('rules' => implode('|', $rules), 'callbacks' => $callbacks, 'annotations' => $annotations);
}
/**
* Generate the relationship option for pre-process queries
*
* @param array Gas relationship option spec
* @return array Formatted option
*/
public static function generate_options($options)
{
// Initiate new queries holder, and define allowable options
$queries = array();
$allowed = array('select', 'order_by', 'limit');
// Loop over it
foreach ($options as $option) {
// Parse option annotation
list($method, $args) = explode(':', $option);
if (!in_array($method, $allowed)) {
// No valid method found
continue;
} else {
// Casting the argument annotation
// and do the pre-process
switch ($method) {
case 'select':
$select_statement = explode(',', $args);
$queries[$method] = Janitor::arr_trim($select_statement);
break;
case 'limit':
$queries[$method] = " 0, {$args}";
break;
case 'order_by':
if (preg_match('/^([^\\n]+)\\[(.*?)\\]$/', $args, $m) and count($m) == 3) {
$queries[$method] = "`{$m['1']}` " . strtoupper($m[2]);
}
break;
}
}
}
// Return the formatted queries options
return $queries;
}
