includes/filerepo/FileRepoStatus.php

   1 <?php
   2
   3 /**
   4  * Generic operation result class
   5  * Has warning/error list, boolean status and arbitrary value
   6  */
   7 class FileRepoStatus {
   8         var $ok = true;
   9         var $value;
  10
  11         /** Counters for batch operations */
  12         var $successCount = 0, $failCount = 0;
  13
  14         /*semi-private*/ var $errors = array();
  15         /*semi-private*/ var $cleanCallback = false;
  16
  17         /**
  18          * Factory function for fatal errors
  19          */
  20         static function newFatal( $repo, $message /*, parameters...*/ ) {
  21                 $params = array_slice( func_get_args(), 1 );
  22                 $result = new self( $repo );
  23                 call_user_func_array( array( &$result, 'error' ), $params );
  24                 $result->ok = false;
  25                 return $result;
  26         }
  27
  28         static function newGood( $repo = false, $value = null ) {
  29                 $result = new self( $repo );
  30                 $result->value = $value;
  31                 return $result;
  32         }
  33
  34         function __construct( $repo = false ) {
  35                 if ( $repo ) {
  36                         $this->cleanCallback = $repo->getErrorCleanupFunction();
  37                 }
  38         }
  39
  40         function setResult( $ok, $value = null ) {
  41                 $this->ok = $ok;
  42                 $this->value = $value;
  43         }
  44
  45         function isGood() {
  46                 return $this->ok && !$this->errors;
  47         }
  48
  49         function isOK() {
  50                 return $this->ok;
  51         }
  52
  53         function warning( $message /*, parameters... */ ) {
  54                 $params = array_slice( func_get_args(), 1 );
  55                 $this->errors[] = array(
  56                         'type' => 'warning',
  57                         'message' => $message,
  58                         'params' => $params );
  59         }
  60
  61         /**
  62          * Add an error, do not set fatal flag
  63          * This can be used for non-fatal errors
  64          */
  65         function error( $message /*, parameters... */ ) {
  66                 $params = array_slice( func_get_args(), 1 );
  67                 $this->errors[] = array(
  68                         'type' => 'error',
  69                         'message' => $message,
  70                         'params' => $params );
  71         }
  72
  73         /**
  74          * Add an error and set OK to false, indicating that the operation as a whole was fatal
  75          */
  76         function fatal( $message /*, parameters... */ ) {
  77                 $params = array_slice( func_get_args(), 1 );
  78                 $this->errors[] = array(
  79                         'type' => 'error',
  80                         'message' => $message,
  81                         'params' => $params );
  82                 $this->ok = false;
  83         }
  84
  85         protected function cleanParams( $params ) {
  86                 if ( !$this->cleanCallback ) {
  87                         return $params;
  88                 }
  89                 $cleanParams = array();
  90                 foreach ( $params as $i => $param ) {
  91                         $cleanParams[$i] = call_user_func( $this->cleanCallback, $param );
  92                 }
  93                 return $cleanParams;
  94         }
  95
  96         protected function getItemXML( $item ) {
  97                 $params = $this->cleanParams( $item['params'] );
  98                 $xml = "<{$item['type']}>\n" .
  99                         Xml::element( 'message', null, $item['message'] ) . "\n" .
 100                         Xml::element( 'text', null, wfMsgReal( $item['message'], $params ) ) ."\n";
 101                 foreach ( $params as $param ) {
 102                         $xml .= Xml::element( 'param', null, $param );
 103                 }
 104                 $xml .= "</{$this->type}>\n";
 105                 return $xml;
 106         }
 107
 108         /**
 109          * Get the error list as XML
 110          */
 111         function getXML() {
 112                 $xml = "<errors>\n";
 113                 foreach ( $this->errors as $error ) {
 114                         $xml .= $this->getItemXML( $error );
 115                 }
 116                 $xml .= "</errors>\n";
 117                 return $xml;
 118         }
 119
 120         /**
 121          * Get the error list as a wikitext formatted list
 122          * @param string $shortContext A short enclosing context message name, to be used
 123          *     when there is a single error
 124          * @param string $longContext A long enclosing context message name, for a list
 125          */
 126         function getWikiText( $shortContext = false, $longContext = false ) {
 127                 if ( count( $this->errors ) == 0 ) {
 128                         if ( $this->ok ) {
 129                                 $this->fatal( 'internalerror_info',
 130                                         __METHOD__." called for a good result, this is incorrect\n" );
 131                         } else {
 132                                 $this->fatal( 'internalerror_info',
 133                                         __METHOD__.": Invalid result object: no error text but not OK\n" );
 134                         }
 135                 }
 136                 if ( count( $this->errors ) == 1 ) {
 137                         $params = array_map( 'wfEscapeWikiText', $this->cleanParams( $this->errors[0]['params'] ) );
 138                         $s = wfMsgReal( $this->errors[0]['message'], $params );
 139                         if ( $shortContext ) {
 140                                 $s = wfMsg( $shortContext, $s );
 141                         } elseif ( $longContext ) {
 142                                 $s = wfMsg( $longContext, "* $s\n" );
 143                         }
 144                 } else {
 145                         $s = '';
 146                         foreach ( $this->errors as $error ) {
 147                                 $params = array_map( 'wfEscapeWikiText', $this->cleanParams( $error['params'] ) );
 148                                 $s .= '* ' . wfMsgReal( $error['message'], $params ) . "\n";
 149                         }
 150                         if ( $longContext ) {
 151                                 $s = wfMsg( $longContext, $s );
 152                         } elseif ( $shortContext ) {
 153                                 $s = wfMsg( $shortContext, "\n* $s\n" );
 154                         }
 155                 }
 156                 return $s;
 157         }
 158
 159         /**
 160          * Merge another status object into this one
 161          */
 162         function merge( $other, $overwriteValue = false ) {
 163                 $this->errors = array_merge( $this->errors, $other->errors );
 164                 $this->ok = $this->ok && $other->ok;
 165                 if ( $overwriteValue ) {
 166                         $this->value = $other->value;
 167                 }
 168                 $this->successCount += $other->successCount;
 169                 $this->failCount += $other->failCount;
 170         }
 171 }