| 1: | <?php |
| 2: | |
| 3: | namespace ZCL\DB; |
| 4: | |
| 5: | abstract class TreeEntity extends Entity |
| 6: | { |
| 7: | |
| 8: | |
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| 19: | |
| 20: | |
| 21: | protected static function getMetadata() { |
| 22: | |
| 23: | $class = new \ReflectionClass(get_called_class()); |
| 24: | $doc = $class->getDocComment(); |
| 25: | preg_match_all('/@([a-z0-9_-]+)=([^\n]+)/is', $doc, $arr); |
| 26: | if (is_array($arr)) { |
| 27: | $reg_arr = array_combine($arr[1], $arr[2]); |
| 28: | |
| 29: | $table = trim($reg_arr['table']); |
| 30: | $view = trim($reg_arr['view']); |
| 31: | $keyfield = trim($reg_arr['keyfield']); |
| 32: | $parentfield = trim($reg_arr['parentfield']); |
| 33: | $pathfield = trim($reg_arr['pathfield']); |
| 34: | |
| 35: | |
| 36: | if (strlen($table) > 0 && strlen($keyfield) > 0 && strlen($parentfield) > 0 && strlen($pathfield) > 0) { |
| 37: | $retarr = array(); |
| 38: | $retarr['table'] = $table; |
| 39: | $retarr['keyfield'] = $keyfield; |
| 40: | $retarr['parentfield'] = $parentfield; |
| 41: | $retarr['pathfield'] = $pathfield; |
| 42: | if (strlen($view) > 0) { |
| 43: | $retarr['view'] = $view; |
| 44: | } |
| 45: | |
| 46: | return $retarr; |
| 47: | } |
| 48: | } |
| 49: | throw new \Zippy\Exception('getMetadata должен быть перегружен'); |
| 50: | } |
| 51: | |
| 52: | |
| 53: | |
| 54: | |
| 55: | |
| 56: | public static function delete($id) { |
| 57: | $class = get_called_class(); |
| 58: | $meta = $class::getMetadata(); |
| 59: | |
| 60: | if (is_numeric($id)) { |
| 61: | |
| 62: | |
| 63: | $obj = $class::load($id); |
| 64: | } else { |
| 65: | $obj = $id; |
| 66: | } |
| 67: | |
| 68: | if ($obj instanceof TreeEntity) { |
| 69: | $alowdelete = $obj->beforeDelete(); |
| 70: | |
| 71: | if (strlen($allowdelete)>0) { |
| 72: | |
| 73: | return $allowdelete; |
| 74: | } |
| 75: | |
| 76: | $alowdelete = $obj->deleteChildren(); |
| 77: | if (strlen($allowdelete)>0) { |
| 78: | |
| 79: | return $allowdelete; |
| 80: | } |
| 81: | $conn = DB::getConnect(); |
| 82: | $conn->Execute("delete from {$meta['table']} where {$meta['keyfield']} = " . $id); |
| 83: | } |
| 84: | |
| 85: | } |
| 86: | |
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| 89: | |
| 90: | |
| 91: | |
| 92: | public function moveTo($pid) { |
| 93: | $class = get_called_class(); |
| 94: | $meta = $class::getMetadata(); |
| 95: | $old = sprintf('%08s', $this->{$meta['parentfield']}); |
| 96: | $this->{$meta['parentfield']} = $pid; |
| 97: | $new = sprintf('%08s', $this->{$meta['parentfield']}); |
| 98: | $this->save(); |
| 99: | |
| 100: | $children = $this->getChildren(true); |
| 101: | foreach ($children as $child) { |
| 102: | $child->{$meta['pathfield']} = str_replace($old, $new, $child->{$meta['pathfield']}); |
| 103: | $child->save(); |
| 104: | } |
| 105: | } |
| 106: | |
| 107: | |
| 108: | public function getParent() { |
| 109: | |
| 110: | $class = get_called_class(); |
| 111: | $meta = $class::getMetadata(); |
| 112: | |
| 113: | |
| 114: | return $class::load($this->{$meta['parentfield']}); |
| 115: | } |
| 116: | |
| 117: | |
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| 120: | |
| 121: | |
| 122: | public function getChildren($all = false) { |
| 123: | $conn = DB::getConnect(); |
| 124: | $class = get_called_class(); |
| 125: | $meta = $class::getMetadata(); |
| 126: | |
| 127: | if (!$all) { |
| 128: | return self::find($meta['parentfield'] . '=' . $this->fields[$meta['keyfield']]); |
| 129: | } else { |
| 130: | return self::find($meta['keyfield'] . ' <> ' . $this->fields[$meta['keyfield']] . ' and ' . $meta['pathfield'] . " like " . $this->qstr('%' . sprintf('%08s', $this->fields[$meta['keyfield']]) . '%')); |
| 131: | } |
| 132: | } |
| 133: | |
| 134: | |
| 135: | |
| 136: | |
| 137: | |
| 138: | |
| 139: | |
| 140: | public function deleteChildren($rec = true) { |
| 141: | $conn = DB::getConnect(); |
| 142: | $class = get_called_class(); |
| 143: | $meta = $class::getMetadata(); |
| 144: | if ($rec) { |
| 145: | $children = $this->getChildren(); |
| 146: | foreach ($children as $child) { |
| 147: | $b = $class::delete($child->getID()); |
| 148: | if (strlen($b)>0) { |
| 149: | return $b; |
| 150: | } |
| 151: | } |
| 152: | } else { |
| 153: | $id = $this->fields[$meta['keyfield']]; |
| 154: | $conn->Execute("delete from {$meta['table']} where " . $meta['pathfield'] . " like " . $conn->qstr('%' . sprintf('%08s', $id) . '%') . " and {$meta['keyfield']} != " . $id); |
| 155: | return ""; |
| 156: | } |
| 157: | return ""; |
| 158: | } |
| 159: | |
| 160: | |
| 161: | |
| 162: | |
| 163: | |
| 164: | protected function afterSave($update) { |
| 165: | $meta = $this->getMetadata(); |
| 166: | if (strlen($this->{$meta['pathfield']}) > 0) { |
| 167: | return; |
| 168: | } |
| 169: | |
| 170: | $class = get_called_class(); |
| 171: | |
| 172: | |
| 173: | $this->{$meta['pathfield']} = sprintf('%08s', $this->{$meta['keyfield']}); |
| 174: | if ($this->{$meta['parentfield']} > 0) { |
| 175: | $parent = $class::load($this->{$meta['parentfield']}); |
| 176: | $this->{$meta['pathfield']} = $parent->{$meta['pathfield']} . sprintf('%08s', $this->{$meta['keyfield']}); |
| 177: | } |
| 178: | $conn = \ZDB\DB::getConnect(); |
| 179: | $conn->Execute("UPDATE {$meta['table']} set {$meta['pathfield']} ='" . $this->{$meta['pathfield']} . "' where {$meta['keyfield']} = " . $this->{$meta['keyfield']}); |
| 180: | } |
| 181: | |
| 182: | |
| 183: | |
| 184: | |
| 185: | |
| 186: | |
| 187: | public function getParents() { |
| 188: | $class = get_called_class(); |
| 189: | $meta = $class::getMetadata(); |
| 190: | $path = $this->{$meta['pathfield']}; |
| 191: | $ap = str_split($path, 8); |
| 192: | array_pop($ap); |
| 193: | if (count($ap) == 0) { |
| 194: | return array(); |
| 195: | } |
| 196: | $ids = implode(",", $ap); |
| 197: | $where = $meta["keyfield"] . " in (" . $ids . ")"; |
| 198: | return self::find($where, $meta["keyfield"] . " desc"); |
| 199: | |
| 200: | } |
| 201: | } |
| 202: | |