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collection_writeable()

Parameters

ColumnTypeDefaultDescription
$collection

Location

include/collections_functions.php lines 650 to 721

Definition

 
function collection_writeable($collection)
    {
    
$collectiondata get_collection($collection);
    if(
$collectiondata===false)
        {
        return 
false;
        }

    global 
$userref,$usergroup$allow_smart_collections;
    if (
        
$allow_smart_collections && !isset($userref)
        && isset(
$collectiondata['savedsearch'])&&$collectiondata['savedsearch'] != null
        
) { 
            return 
false// so "you cannot modify this collection"
        
}
    if(
$collectiondata['type']==COLLECTION_TYPE_REQUEST && !checkperm('R'))
        {
        return 
false;
        }

    
# Load a list of attached users
    
$attached ps_array("SELECT user value FROM user_collection WHERE collection = ?",["i",$collection]);
    
$attached_groups ps_array("SELECT usergroup value FROM usergroup_collection WHERE collection = ?",["i",$collection]);

    
// Can edit if 
    // - The user owns the collection (if we are anonymous user and are using session collections then this must also have the same session id )
    // - The user has system setup access (needs to be able to sort out user issues)
    // - Collection changes are allowed and :-
    //    a) User is attached to the collection or
    //    b) Collection is public or a theme and the user either has the 'h' permission or the collection is editable

    
global $usercollection,$username,$anonymous_login,$anonymous_user_session_collection$rs_session;
    
debug("collection session : " $collectiondata["session_id"]);
    
debug("collection user : " $collectiondata["user"]);
    
debug("anonymous_login : " . isset($anonymous_login) && is_string($anonymous_login) ? $anonymous_login "(no)");
    
debug("userref : " $userref);
    
debug("username : " $username);
    
debug("anonymous_user_session_collection : " . (($anonymous_user_session_collection)?"TRUE":"FALSE"));

    
$writable=
        
// User either owns collection AND is not the anonymous user, or is the anonymous user with a matching/no session
        
($userref==$collectiondata["user"] && (!isset($anonymous_login) || $username!=$anonymous_login || !$anonymous_user_session_collection || $collectiondata["session_id"]==$rs_session))
        
// Collection is public AND either they have the 'h' permission OR allow_changes has been set
        
|| ((checkperm("h") || $collectiondata["allow_changes"]==1) && $collectiondata["public"]==1)
        
// Collection has been shared but is not public AND user is either attached or in attached group
        
|| ($collectiondata["allow_changes"]==&& $collectiondata["public"]==&& (in_array($userref,$attached) || in_array($usergroup,$attached_groups)))
        
// System admin
        
|| checkperm("a")
        
// Adding to active upload_share
        
|| upload_share_active() == $collection
        
// This is a request collection and user is an admin user who can approve requests
        
|| (checkperm("R") && $collectiondata['type'] == COLLECTION_TYPE_REQUEST && checkperm("t"));

    
// Check if user has permission to manage research requests. If they do and the collection is research request allow writable.
    
if ($writable === false && checkperm("r"))
        {
        include_once 
'research_functions.php';
        
$research_requests get_research_requests();
        
$collections = array();
        foreach (
$research_requests as $research_request)
            {
            
$collections[] = $research_request["collection"];
            }
        if (
in_array($collection,$collections))
            {
            
$writable true;
            }
        }
        
    return 
$writable;

    }

This article was last updated 8th December 2024 10:05 Europe/London time based on the source file dated 4th December 2024 16:35 Europe/London time.