1 <?php

     2 

     3 /**

     4  * @file

     5  * Install, update and uninstall functions for File module.

     6  */

     7 

     8 /**

     9  * Implements hook_field_schema().

    10  */

    11 function file_field_schema($field) {

    12   return array(

    13     'columns' => array(

    14       'fid' => array(

    15         'description' => 'The {file_managed}.fid being referenced in this field.',

    16         'type' => 'int',

    17         'not null' => FALSE,

    18         'unsigned' => TRUE,

    19       ),

    20       'display' => array(

    21         'description' => 'Flag to control whether this file should be displayed when viewing content.',

    22         'type' => 'int',

    23         'size' => 'tiny',

    24         'unsigned' => TRUE,

    25         'not null' => TRUE,

    26         'default' => 1,

    27       ),

    28       'description' => array(

    29         'description' => 'A description of the file.',

    30         'type' => 'text',

    31         'not null' => FALSE,

    32       ),

    33     ),

    34     'indexes' => array(

    35       'fid' => array('fid'),

    36     ),

    37     'foreign keys' => array(

    38       'fid' => array(

    39         'table' => 'file_managed',

    40         'columns' => array('fid' => 'fid'),

    41       ),

    42     ),

    43   );

    44 }

    45 

    46 /**

    47  * Implements hook_requirements().

    48  *

    49  * Display information about getting upload progress bars working.

    50  */

    51 function file_requirements($phase) {

    52   $requirements = array();

    53 

    54   // Check the server's ability to indicate upload progress.

    55   if ($phase == 'runtime') {

    56     $implementation = file_progress_implementation();

    57     $apache = strpos($_SERVER['SERVER_SOFTWARE'], 'Apache') !== FALSE;

    58     $fastcgi = strpos($_SERVER['SERVER_SOFTWARE'], 'mod_fastcgi') !== FALSE || strpos($_SERVER["SERVER_SOFTWARE"], 'mod_fcgi') !== FALSE;

    59     $description = NULL;

    60     if (!$apache) {

    61       $value = t('Not enabled');

    62       $description = t('Your server is not capable of displaying file upload progress. File upload progress requires an Apache server running PHP with mod_php.');

    63       $severity = REQUIREMENT_INFO;

    64     }

    65     elseif ($fastcgi) {

    66       $value = t('Not enabled');

    67       $description = t('Your server is not capable of displaying file upload progress. File upload progress requires PHP be run with mod_php and not as FastCGI.');

    68       $severity = REQUIREMENT_INFO;

    69     }

    70     elseif (!$implementation && extension_loaded('apc')) {

    71       $value = t('Not enabled');

    72       $description = t('Your server is capable of displaying file upload progress through APC, but it is not enabled. Add <code>apc.rfc1867 = 1</code> to your php.ini configuration. Alternatively, it is recommended to use <a href="http://pecl.php.net/package/uploadprogress">PECL uploadprogress</a>, which supports more than one simultaneous upload.');

    73       $severity = REQUIREMENT_INFO;

    74     }

    75     elseif (!$implementation) {

    76       $value = t('Not enabled');

    77       $description = t('Your server is capable of displaying file upload progress, but does not have the required libraries. It is recommended to install the <a href="http://pecl.php.net/package/uploadprogress">PECL uploadprogress library</a> (preferred) or to install <a href="http://us2.php.net/apc">APC</a>.');

    78       $severity = REQUIREMENT_INFO;

    79     }

    80     elseif ($implementation == 'apc') {

    81       $value = t('Enabled (<a href="http://php.net/manual/en/apc.configuration.php#ini.apc.rfc1867">APC RFC1867</a>)');

    82       $description = t('Your server is capable of displaying file upload progress using APC RFC1867. Note that only one upload at a time is supported. It is recommended to use the <a href="http://pecl.php.net/package/uploadprogress">PECL uploadprogress library</a> if possible.');

    83       $severity = REQUIREMENT_OK;

    84     }

    85     elseif ($implementation == 'uploadprogress') {

    86       $value = t('Enabled (<a href="http://pecl.php.net/package/uploadprogress">PECL uploadprogress</a>)');

    87       $severity = REQUIREMENT_OK;

    88     }

    89     $requirements['file_progress'] = array(

    90       'title' => t('Upload progress'),

    91       'value' => $value,

    92       'severity' => $severity,

    93       'description' => $description,

    94     );

    95   }

    96 

    97   return $requirements;

    98 }