[5424] | 1 | <?php |
---|
[3395] | 2 | |
---|
| 3 | /* ----------------------------------------------------------------------------- |
---|
| 4 | class name: manage_tables |
---|
[5424] | 5 | class version: 1.5 |
---|
| 6 | date: 2010-03-28 |
---|
[3395] | 7 | ------------------------------------------------------------------------------ |
---|
[5424] | 8 | author: grum at piwigo.org |
---|
[3395] | 9 | << May the Little SpaceFrog be with you >> |
---|
| 10 | ------------------------------------------------------------------------------ |
---|
[5424] | 11 | |
---|
[3395] | 12 | this class provides base functions to manage tables while plugin installation |
---|
| 13 | - constructor manage_tables($tables) |
---|
| 14 | - (public) function create_tables($tables_def) |
---|
| 15 | - (public) function update_tables_fields($tables_alteration) |
---|
| 16 | - (public) function drop_tables() |
---|
| 17 | - (public) function rename_tables($list) -v1.1 |
---|
| 18 | - (public) function tables_exists() -v1.1 |
---|
| 19 | - (public) function export($filename, $options, $tables, $infos) -v1.3 |
---|
| 20 | - (public) function multi_queries($queries) -v1.3 |
---|
| 21 | - (public) function import($filename) -v1.3 |
---|
| 22 | |
---|
| 23 | ------------------------------------------------------------------------------ |
---|
| 24 | v1.1 + add rename_tables($list) function |
---|
| 25 | + add tables_exists() function |
---|
| 26 | v1.2 + add export($filename, $options, $tables) function |
---|
| 27 | v1.3 + modify export($filename, $options, $tables, $infos, $resultboolean) function |
---|
| 28 | + new parameters '$infos' allows to add some information on the |
---|
| 29 | exported file |
---|
| 30 | + add 'delete' and 'colnames' options |
---|
| 31 | + $resultbooelan option for return |
---|
| 32 | + add multi_queries($queries) function |
---|
[5424] | 33 | + add import($filename) function |
---|
[3395] | 34 | v1.4 - 2009-03-01 + PHP5 migration (use of public/protected/private) |
---|
| 35 | + export => DROP TABLE IF EXISTS |
---|
| 36 | + import => if DROP TABLE without IF EXISTS, add IF EXISTS |
---|
[5424] | 37 | v1.5 - 2010-03-28 + Uses piwigo pwg_db_* functions instead of mysql_* functions |
---|
[3395] | 38 | |
---|
| 39 | -------------------------------------------------------------------------- */ |
---|
| 40 | class manage_tables |
---|
| 41 | { |
---|
| 42 | public $tables; //array of tables names |
---|
| 43 | public $version = "1.4"; |
---|
| 44 | |
---|
| 45 | public function manage_tables($tables) |
---|
| 46 | { |
---|
| 47 | $this->tables = $tables; |
---|
| 48 | } |
---|
[5424] | 49 | |
---|
| 50 | /* |
---|
[3395] | 51 | create tables |
---|
| 52 | $tables_def is an array of SQL CREATE queries |
---|
| 53 | |
---|
[5424] | 54 | return true if everything is ok, otherwise tablename |
---|
[3395] | 55 | */ |
---|
| 56 | public function create_tables($tables_def) |
---|
| 57 | { |
---|
| 58 | //deleting tables if exists |
---|
| 59 | $this->drop_tables(); |
---|
| 60 | |
---|
| 61 | for($i=0;$i<count($tables_def);$i++) |
---|
| 62 | { |
---|
| 63 | $result=pwg_query($tables_def[$i]); |
---|
| 64 | if(!$result) |
---|
| 65 | { |
---|
| 66 | //if an error occurs, deleting created tables |
---|
| 67 | $this->drop_tables(); |
---|
| 68 | return(false); |
---|
| 69 | } |
---|
| 70 | } |
---|
| 71 | return(true); |
---|
| 72 | } |
---|
| 73 | |
---|
[5424] | 74 | /* update tables definition |
---|
[3395] | 75 | $tables_alteration : array of arrays |
---|
| 76 | example : |
---|
| 77 | $tables_alteration['table1']=array( |
---|
| 78 | "attribute1" => " ADD COLUMN `attribute1` text null default ''", |
---|
| 79 | "attribute2" => " ADD COLUMN `attribute2` text null default ''")); |
---|
| 80 | $tables_alteration['table2']=array( |
---|
| 81 | "attribute1" => " ADD COLUMN `attribute1` text null default ''", |
---|
| 82 | "attribute2" => " ADD COLUMN `attribute2` text null default ''")); |
---|
| 83 | |
---|
[5424] | 84 | return true if no error, otherwise return table.fields of error |
---|
[3395] | 85 | */ |
---|
| 86 | public function update_tables_fields($tables_alteration) |
---|
| 87 | { |
---|
| 88 | if(!is_array($tables_alteration)) |
---|
| 89 | { |
---|
| 90 | return(''); |
---|
| 91 | } |
---|
| 92 | |
---|
| 93 | reset($tables_alteration); |
---|
| 94 | while (list($key, $val) = each($tables_alteration)) |
---|
| 95 | { |
---|
| 96 | $sql="SHOW COLUMNS FROM $key"; |
---|
| 97 | $result=pwg_query($sql); |
---|
| 98 | if($result) |
---|
| 99 | { |
---|
| 100 | $columns=array(); |
---|
[5424] | 101 | while($row=pwg_db_fetch_assoc($result)) |
---|
| 102 | { |
---|
| 103 | array_push($columns, $row['Field']); |
---|
[3395] | 104 | } |
---|
| 105 | |
---|
| 106 | reset($val); |
---|
| 107 | while (list($attname, $sql) = each($val)) |
---|
| 108 | { |
---|
| 109 | if(!in_array($attname, $columns)) |
---|
| 110 | { |
---|
| 111 | $result=pwg_query("ALTER TABLE `$key` ".$sql); |
---|
| 112 | if(!$result) |
---|
| 113 | { |
---|
| 114 | return($key.".".$attname); |
---|
| 115 | } |
---|
| 116 | } |
---|
| 117 | } |
---|
| 118 | } |
---|
| 119 | } |
---|
| 120 | return(true); |
---|
| 121 | } |
---|
| 122 | |
---|
| 123 | |
---|
[5424] | 124 | /* |
---|
[3395] | 125 | delete tables listed in $this->tables_list |
---|
| 126 | */ |
---|
| 127 | public function drop_tables() |
---|
| 128 | { |
---|
| 129 | foreach($this->tables as $key => $table_name) |
---|
| 130 | { |
---|
| 131 | $sql="DROP TABLE IF EXISTS ".$table_name; |
---|
| 132 | $result=pwg_query($sql); |
---|
| 133 | } |
---|
| 134 | } |
---|
| 135 | |
---|
| 136 | /* |
---|
| 137 | rename tables name of list |
---|
| 138 | $list is an array('old_name' => 'new_name') |
---|
| 139 | return true if ok, else old table name |
---|
| 140 | */ |
---|
| 141 | public function rename_tables($list) |
---|
| 142 | { |
---|
| 143 | $tmplist=array_flip($this->tables); |
---|
| 144 | foreach($list as $key => $val) |
---|
| 145 | { |
---|
| 146 | if(isset($tmplist[$key])) |
---|
| 147 | { |
---|
| 148 | $this->tables[$tmplist[$key]] = $val; |
---|
| 149 | $sql="ALTER TABLE `$key` RENAME TO `$val`"; |
---|
| 150 | if(!pwg_query($sql)) |
---|
| 151 | { |
---|
| 152 | return($key); |
---|
| 153 | } |
---|
| 154 | } |
---|
| 155 | else |
---|
| 156 | { |
---|
| 157 | return($key); |
---|
| 158 | } |
---|
| 159 | } |
---|
| 160 | return(true); |
---|
| 161 | } |
---|
| 162 | |
---|
| 163 | /* |
---|
| 164 | return true if all listed tables exists |
---|
| 165 | */ |
---|
| 166 | public function tables_exists() |
---|
| 167 | { |
---|
| 168 | $list=array_flip($this->tables); |
---|
| 169 | $sql="SHOW TABLES"; |
---|
| 170 | $result=pwg_query($sql); |
---|
| 171 | if($result) |
---|
| 172 | { |
---|
[5424] | 173 | while($row=pwg_db_fetch_row($result)) |
---|
[3395] | 174 | { |
---|
| 175 | if(isset($list[$row[0]])) |
---|
| 176 | { |
---|
| 177 | array_splice($list, $row[0],1); |
---|
| 178 | } |
---|
| 179 | } |
---|
| 180 | } |
---|
| 181 | if(count($list)>0) |
---|
| 182 | { |
---|
| 183 | return(false); |
---|
| 184 | } |
---|
| 185 | else |
---|
| 186 | { |
---|
| 187 | return(true); |
---|
| 188 | } |
---|
| 189 | } |
---|
| 190 | |
---|
| 191 | /* |
---|
| 192 | export all tables as SQL in a text file |
---|
| 193 | |
---|
| 194 | each query end with a " -- EOQ" ; it's just a method to increase parsing for |
---|
| 195 | import function |
---|
| 196 | |
---|
| 197 | $filename : name of the file |
---|
| 198 | $options : array of options like |
---|
| 199 | array( |
---|
| 200 | 'drop' => true/false, //add DROP TABLE statements |
---|
| 201 | 'create' => true/false, //add CREATE TABLE statements |
---|
| 202 | 'insert' => true/false, //add INSERT statements |
---|
| 203 | 'delete' => true/false, //add delete statements |
---|
| 204 | 'colnames' => true/false, //add columns names for inserts statements |
---|
| 205 | ) |
---|
| 206 | $tables : array of tables names to export |
---|
| 207 | array('tablename1', 'tablenamen', 'tablename3', ...) |
---|
| 208 | if empty, assume that all tables have to be exported |
---|
| 209 | $infos : additional info written in exported file (as comment) |
---|
[5424] | 210 | $resultboolean : if true, result is true/false ; |
---|
[3395] | 211 | if false, if result, return a string with nfo about export |
---|
| 212 | */ |
---|
| 213 | public function export($filename, $options=array(), $tables=array(), $infos="", $resultboolean=true) |
---|
| 214 | { |
---|
| 215 | $defaultopt=array( |
---|
| 216 | 'drop' => true, |
---|
| 217 | 'create' => true, |
---|
| 218 | 'insert' => true, |
---|
| 219 | 'delete' => false, |
---|
| 220 | 'colnames' => false |
---|
| 221 | ); |
---|
| 222 | |
---|
| 223 | if(!isset($options['drop'])) |
---|
| 224 | { |
---|
| 225 | $options['drop']=$defaultopt['drop']; |
---|
| 226 | } |
---|
| 227 | if(!isset($options['create'])) |
---|
| 228 | { |
---|
| 229 | $options['create']=$defaultopt['create']; |
---|
| 230 | } |
---|
| 231 | if(!isset($options['insert'])) |
---|
| 232 | { |
---|
| 233 | $options['insert']=$defaultopt['insert']; |
---|
| 234 | } |
---|
| 235 | if(!isset($options['delete'])) |
---|
| 236 | { |
---|
| 237 | $options['delete']=$defaultopt['delete']; |
---|
| 238 | } |
---|
| 239 | if(!isset($options['colnames'])) |
---|
| 240 | { |
---|
| 241 | $options['colnames']=$defaultopt['colnames']; |
---|
| 242 | } |
---|
| 243 | if(count($tables)==0) |
---|
| 244 | { |
---|
| 245 | $tables=$this->tables; |
---|
| 246 | } |
---|
| 247 | |
---|
| 248 | $resultnfo=''; |
---|
| 249 | |
---|
| 250 | $returned=true; |
---|
| 251 | $text=' |
---|
| 252 | -- *************************************************************** -- EOQ |
---|
| 253 | -- * SQL export made with Grum Plugins Classes (Export tool r'.$this->version.') -- EOQ |
---|
| 254 | -- * Export date :'.date('Y-m-d H:i:s').' -- EOQ |
---|
| 255 | -- * Export options :'; |
---|
| 256 | if($options['drop']){$text.=' [drop]';} |
---|
| 257 | if($options['delete']){$text.=' [delete]';} |
---|
| 258 | if($options['create']){$text.=' [create]';} |
---|
| 259 | if($options['insert']){$text.=' [insert]';} |
---|
| 260 | if($options['colnames']){$text.=' [colnames]';} |
---|
| 261 | $text.=" -- EOQ"; |
---|
| 262 | if($infos!="") |
---|
| 263 | { |
---|
| 264 | $text.=' |
---|
| 265 | -- * '.$infos." -- EOQ"; |
---|
| 266 | } |
---|
| 267 | $text.=' |
---|
| 268 | -- *************************************************************** -- EOQ |
---|
| 269 | |
---|
| 270 | '; |
---|
| 271 | foreach($tables as $key => $val) |
---|
| 272 | { |
---|
| 273 | $countelems=0; |
---|
| 274 | |
---|
| 275 | $text.=" |
---|
| 276 | |
---|
| 277 | -- *************************************************************** -- EOQ |
---|
| 278 | -- * Statements for ".$this->tables[$key]." table -- EOQ |
---|
| 279 | -- *************************************************************** -- EOQ |
---|
| 280 | "; |
---|
| 281 | |
---|
| 282 | if($options['drop']) |
---|
| 283 | { |
---|
| 284 | $text.=sprintf("DROP TABLE IF EXISTS `%s`; -- EOQ\n", $this->tables[$key]); |
---|
| 285 | } |
---|
| 286 | |
---|
| 287 | if($options['delete']) |
---|
| 288 | { |
---|
| 289 | $text.=sprintf("DELETE FROM `%s`; -- EOQ\n", $this->tables[$key]); |
---|
| 290 | } |
---|
| 291 | |
---|
| 292 | if($options['create']) |
---|
| 293 | { |
---|
| 294 | $sql='SHOW CREATE TABLE '.$this->tables[$key]; |
---|
| 295 | $result=pwg_query($sql); |
---|
| 296 | if($result) |
---|
| 297 | { |
---|
[5424] | 298 | while($row=pwg_db_fetch_row($result)) |
---|
[3395] | 299 | { |
---|
| 300 | $text.=sprintf("%s; -- EOQ\n", $row[1]); |
---|
| 301 | } |
---|
| 302 | } |
---|
| 303 | else |
---|
| 304 | { |
---|
| 305 | $returned=false; |
---|
| 306 | } |
---|
| 307 | } |
---|
| 308 | |
---|
| 309 | if($options['insert']) |
---|
| 310 | { |
---|
| 311 | $colnames=""; |
---|
| 312 | if($options['colnames']) |
---|
| 313 | { |
---|
| 314 | $sql='SHOW COLUMNS FROM `'.$this->tables[$key].'`'; |
---|
| 315 | $result=pwg_query($sql); |
---|
| 316 | if($result) |
---|
| 317 | { |
---|
| 318 | $tmp=array(); |
---|
[5424] | 319 | while($row=pwg_db_fetch_row($result)) |
---|
[3395] | 320 | { |
---|
| 321 | $tmp[]=$row[0]; |
---|
| 322 | } |
---|
| 323 | } |
---|
| 324 | $colnames='('.implode(',', $tmp).')'; |
---|
| 325 | } |
---|
[5424] | 326 | |
---|
[3395] | 327 | $sql='SELECT * FROM '.$this->tables[$key]; |
---|
| 328 | $result=pwg_query($sql); |
---|
| 329 | if($result) |
---|
| 330 | { |
---|
[5424] | 331 | while($row=pwg_db_fetch_row($result)) |
---|
[3395] | 332 | { |
---|
| 333 | foreach($row as $key2 => $val2) |
---|
| 334 | { |
---|
| 335 | $row[$key2]="'".addslashes($val2)."'"; |
---|
| 336 | } |
---|
| 337 | $text.=sprintf("INSERT INTO `%s` %s VALUES(%s); -- EOQ\n", $this->tables[$key], $colnames, implode(', ', $row)); |
---|
| 338 | $countelems++; |
---|
| 339 | } |
---|
| 340 | } |
---|
| 341 | else |
---|
| 342 | { |
---|
| 343 | $returned=false; |
---|
| 344 | } |
---|
| 345 | $resultnfo.=$key.':'.$countelems.'@'; |
---|
| 346 | } |
---|
| 347 | } |
---|
| 348 | $fhandle=fopen($filename, 'wb'); |
---|
| 349 | if($fhandle) |
---|
| 350 | { |
---|
| 351 | fwrite($fhandle, $text); |
---|
| 352 | fclose($fhandle); |
---|
| 353 | } |
---|
| 354 | else |
---|
| 355 | { |
---|
| 356 | $returned=false; |
---|
| 357 | } |
---|
| 358 | if(($resultboolean==false)&&($returned)) |
---|
| 359 | { |
---|
| 360 | $returned=$resultnfo; |
---|
| 361 | } |
---|
| 362 | return($returned); |
---|
| 363 | } |
---|
| 364 | |
---|
| 365 | /* |
---|
| 366 | import an .sql file |
---|
| 367 | $filename : name of the file |
---|
| 368 | 'errors' : -1 file don't exists |
---|
| 369 | -2 can't open file |
---|
| 370 | */ |
---|
| 371 | public function import($filename) |
---|
| 372 | { |
---|
| 373 | $return = array( |
---|
| 374 | 'numinsert'=>0, |
---|
| 375 | 'numdelete'=>0, |
---|
| 376 | 'numdrop'=>0, |
---|
| 377 | 'numcreate'=>0, |
---|
| 378 | 'errors'=>array(), |
---|
| 379 | 'total_ok'=>0 |
---|
| 380 | ); |
---|
| 381 | |
---|
| 382 | if(file_exists($filename)) |
---|
| 383 | { |
---|
| 384 | $fhandle=fopen($filename, 'r'); |
---|
| 385 | if($fhandle) |
---|
| 386 | { |
---|
| 387 | $queries=fread($fhandle, filesize($filename)); |
---|
| 388 | fclose($fhandle); |
---|
| 389 | $return=$this->multi_queries($queries); |
---|
| 390 | } |
---|
| 391 | else |
---|
| 392 | { |
---|
| 393 | $return['errors']=-2; |
---|
| 394 | } |
---|
| 395 | } |
---|
| 396 | else |
---|
| 397 | { |
---|
| 398 | $return['errors']=-1; |
---|
| 399 | } |
---|
| 400 | return($return); |
---|
| 401 | } |
---|
| 402 | |
---|
| 403 | /* |
---|
| 404 | execute multiple query |
---|
| 405 | each query have to be separated by a "-- EOQ\n" |
---|
[5424] | 406 | |
---|
[3395] | 407 | $queries : sql queries |
---|
| 408 | */ |
---|
| 409 | public function multi_queries($queries) |
---|
| 410 | { |
---|
| 411 | $queries_list=preg_split( |
---|
| 412 | '/\s*;?\s*--\s+EOQ[\r\n]{1}/i', $queries, -1, PREG_SPLIT_NO_EMPTY); |
---|
| 413 | |
---|
| 414 | $return = array( |
---|
| 415 | 'numinsert'=>0, |
---|
| 416 | 'numdelete'=>0, |
---|
| 417 | 'numdrop'=>0, |
---|
| 418 | 'numcreate'=>0, |
---|
| 419 | 'errors'=>array(), |
---|
| 420 | 'total_ok'=>0 |
---|
| 421 | ); |
---|
| 422 | |
---|
| 423 | $i=0; |
---|
| 424 | foreach($queries_list as $key => $sql) |
---|
| 425 | { |
---|
| 426 | $i++; |
---|
| 427 | |
---|
| 428 | // replace " DROP TABLE `xxxx`; " by " DROP TABLE IF EXISTS `xxxx`; " |
---|
| 429 | $sql=preg_replace("/(.*DROP TABLE)\s*(`.*)/i", "$1 IF EXISTS $2", $sql); |
---|
| 430 | |
---|
| 431 | @$result=pwg_query($sql); |
---|
| 432 | if($result) |
---|
| 433 | { |
---|
| 434 | $return['total_ok']++; |
---|
| 435 | if(preg_match('/\b[\s]*insert[\s]+/i', $sql)>0) |
---|
| 436 | {$return['numinsert']++;} |
---|
| 437 | elseif(preg_match('/\b[\s]*drop[\s]+/i', $sql)>0) |
---|
| 438 | {$return['numdrop']++;} |
---|
| 439 | elseif(preg_match('/\b[\s]*delete[\s]+/i', $sql)>0) |
---|
| 440 | {$return['numdelete']++;} |
---|
| 441 | elseif(preg_match('/\b[\s]*create[\s]+/i',$sql)>0) |
---|
| 442 | {$return['numcreate']++;} |
---|
| 443 | } |
---|
| 444 | else |
---|
| 445 | { |
---|
| 446 | array_push($return['errors'], '['.$i.'] '.$sql); |
---|
| 447 | } |
---|
| 448 | } |
---|
| 449 | return($return); |
---|
| 450 | } |
---|
| 451 | |
---|
| 452 | } //class |
---|
| 453 | |
---|
| 454 | |
---|
[5424] | 455 | ?> |
---|