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update_disk_usage()

Description

Updates the disk usage for a specified resource by calculating the total size of the files
in the resource's directory and storing the result in the resource table.

This function first checks for the size of the primary resource file and then scans the
associated folder to compute the total disk usage, excluding any files in staticsync locations.

Parameters

ColumnTypeDefaultDescription
$resource int The resource reference whose disk usage is to be updated.

Return

bool Returns true on success, or false if the directory does not exist.

Location

include/resource_functions.php lines 6291 to 6318

Definition

 
function update_disk_usage($resource)
    {
    # we're also going to record the size of the primary resource here before we do the entire folder
    $ext = ps_value("SELECT file_extension value FROM resource where ref = ? AND file_path IS NULL",array("i",$resource), 'jpg');
    $path = get_resource_path($resource,true,'',false,$ext);
    if (file_exists($path)){
        $rsize = filesize_unlimited($path);
    } else {
        $rsize = 0;
    }

    # Scan the appropriate filestore folder and update the disk usage fields on the resource table. Use the thm size so that we don't get a Staticsync location
    $dir=dirname(get_resource_path($resource,true,"thm",false));
    if (!file_exists($dir)) {return false;} # Folder does not yet exist.
    $d = dir($dir);
    $total=0;
    while ($f = $d->read())
        {
        if ($f!=".." && $f!=".")
            {
            $s=(int) filesize_unlimited($dir . "/" .$f);
            $total+=$s;
            }
        }
    ps_query("update resource set disk_usage=?,disk_usage_last_updated=now(),file_size=? where ref=?",array("i",$total,"i",$rsize,"i",$resource));

    return true;
    }

This article was last updated 4th December 2024 09:05 Europe/London time based on the source file dated 28th November 2024 12:10 Europe/London time.