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save_collection()

Description

Process the save action when saving a collection

Parameters

ColumnTypeDefaultDescription
$ref integer
$coldata array array

Return

false|void

Location

include/collections_functions.php lines 1357 to 1841

Definition

 
function save_collection($ref, $coldata=array())
    {
    if (!is_numeric($ref) || !collection_writeable($ref))
        {
        return false;
        }
    
    if(count($coldata) == 0)
        {
        // Old way
        $coldata["name"]                = getval("name","");
        $coldata["allow_changes"]       = getval("allow_changes","") != "" ? 1 : 0;
        $coldata["public"]              = getval('public',0,true);
        $coldata["keywords"]            = getval("keywords","");
        $coldata["result_limit"]        = getval("result_limit",0,true);
        $coldata["relateall"]           = getval("relateall","") != "";
        $coldata["removeall"]           = getval("removeall","") != "";
        $coldata["deleteall"]           = getval("deleteall","") != "";
        $coldata["users"]               = getval("users","");

        if (checkperm("h"))
            {
            $coldata["home_page_publish"]   = (getval("home_page_publish","") != "") ? "1" : "0";
            $coldata["home_page_text"]      = getval("home_page_text","");
            $home_page_image = getval("home_page_image",0,true);
            if ($home_page_image > 0)
                {
                $coldata["home_page_image"] = $home_page_image;
                }
            }
        }
        
    $oldcoldata = get_collection($ref);    

    if (!hook('modifysavecollection'))
        {
        $sqlset = array();
        foreach($coldata as $colopt => $colset)
            {
            // skip data that is not a collection property (e.g result_limit or deleteall) otherwise the $sqlset will have an
            // incorrect SQL query for the update statement.
            if(in_array($colopt, ['result_limit', 'relateall', 'removeall', 'deleteall', 'users']))
                {
                continue;
                }

            // Set type to public unless explicitly passed
            if($colopt == "public" && $colset == 1 && !isset($coldata["type"]))
                {
                $sqlset["type"] = COLLECTION_TYPE_PUBLIC;
                }

            // "featured_collections_changes" is determined by collection_edit.php page
            // This is meant to override the type if collection has a parent. The order of $coldata elements matters!
            if($colopt == "featured_collections_changes" && !empty($colset))
                {
                $sqlset["type"] = COLLECTION_TYPE_FEATURED;
                $sqlset["parent"] = null;

                if(isset($colset["update_parent"]))
                    {
                    $force_featured_collection_type = isset($colset["force_featured_collection_type"]);

                    // A FC root category is created directly from the collections_featured.php page so not having a parent, means it's just public
                    if($colset["update_parent"] == 0 && !$force_featured_collection_type)
                        {
                        $sqlset["type"] = COLLECTION_TYPE_PUBLIC;
                        }
                    else
                        {
                        $sqlset["parent"] = (int) $colset["update_parent"];
                        }
                    }

                if(isset($colset["thumbnail_selection_method"]))
                    {
                    $sqlset["thumbnail_selection_method"] = $colset["thumbnail_selection_method"];
                    }
                
                if(isset($colset["thumbnail_selection_method"]) || isset($colset["name"]))
                    {
                    // Prevent the parent from being changed if user only modified the thumbnail_selection_method or name
                    $sqlset["parent"] = (!isset($colset["update_parent"]) ? $oldcoldata["parent"] : $sqlset["parent"]);
                    }

                // Prevent unnecessary changes
                foreach(array("type", "parent", "thumbnail_selection_method") as $puc_to_prop)
                    {
                    if(isset($sqlset[$puc_to_prop]) && $oldcoldata[$puc_to_prop] == $sqlset[$puc_to_prop])
                        {
                        unset($sqlset[$puc_to_prop]);
                        }
                    }

                continue;
                }
            if(!isset($oldcoldata[$colopt]) || $colset != $oldcoldata[$colopt])
                {
                $sqlset[$colopt] = $colset;
                }
            }

        // If collection is set as private by caller code, disable incompatible properties used for COLLECTION_TYPE_FEATURED (set by the user or exsting)
        if(isset($sqlset["public"]) && $sqlset["public"] == 0)
            {
            $sqlset["type"] = COLLECTION_TYPE_STANDARD;
            $sqlset["parent"] = null;
            $sqlset["thumbnail_selection_method"] = null;
            $sqlset["bg_img_resource_ref"] = null;
            }

        /*
        Order by is applicable only to featured collections.
        Determine if we have to reset and, if required, re-order featured collections at the tree level

        ----------------------------------------------------------------------------------------------------------------
                                                        |     Old       |        Set        | 
                                                        |---------------|-------------------|
        Use cases                                       | Type | Parent | Type    | Parent  | Reset order_by? | Re-order?
        ------------------------------------------------|------|--------|-----------------------------------------------
        Move FC to private                              | 3    | null   | 0       | null    | yes             | no
        Move FC to public                               | 3    | any    | 4       | null    | yes             | no
        Move FC to new parent                           | 3    | null   | not set | X       | yes             | yes
        Save FC but don’t change type or parent         | 3    | null   | not set | null    | no              | no
        Save a child FC but don’t change type or parent | 3    | X      | not set | not set | no              | no
        Move public to private                          | 4    | null   | 0       | null    | no              | no
        Move public to FC (root)                        | 4    | null   | 3       | not set | yes             | yes
        Move public to FC (others)                      | 4    | null   | 3       | X       | yes             | yes
        Save public but don’t change type or parent     | 4    | null   | 4       | not set | no              | no
        Create FC at root                               | 0    | null   | 3       | not set | yes             | yes
        Create FC at other level                        | 0    | null   | 3       | X       | yes             | yes
        ----------------------------------------------------------------------------------------------------------------
        */
        // Saving a featured collection without changing its type or parent
        $rob_cond_fc_no_change = (
            isset($oldcoldata['type']) && $oldcoldata['type'] === COLLECTION_TYPE_FEATURED
            && !isset($sqlset['type'])
            && (!isset($sqlset['parent']) || is_null($sqlset['parent']))
        );
        // Saving a public collection without changing it into a featured collection
        $rob_cond_public_col_no_change = (
            isset($oldcoldata['type'], $sqlset['type'])
            && $oldcoldata['type'] === COLLECTION_TYPE_PUBLIC
            && $sqlset["type"] !== COLLECTION_TYPE_FEATURED
        );
        if( !($rob_cond_fc_no_change || $rob_cond_public_col_no_change) )
            {
            $sqlset['order_by'] = 0;

            if(
                // Type changed to featured collection
                (isset($sqlset['type']) && $sqlset['type'] === COLLECTION_TYPE_FEATURED)

                // Featured collection moved in the tree (ie parent changed)
                || ($oldcoldata['type'] === COLLECTION_TYPE_FEATURED && !isset($sqlset['type']) && isset($sqlset['parent']))
            )
                {
                $reorder_fcs = true;
                }
            }


        // Update collection record
        if(count($sqlset) > 0)
            {
            $sqlupdate = "";
            $clear_fc_query_cache = false;
            $collection_columns = [
                'name',
                'user',
                'created',
                'public',
                'allow_changes',
                'cant_delete',
                'keywords',
                'savedsearch',
                'home_page_publish',
                'home_page_text',
                'home_page_image',
                'session_id',
                'description',
                'type',
                'parent',
                'thumbnail_selection_method',
                'bg_img_resource_ref',
                'order_by',
            ];
            $params = [];
            foreach($sqlset as $colopt => $colset)
                {
                // Only valid collection columns should be processed
                if(!in_array($colopt, $collection_columns))
                    {
                    continue;
                    }

                if($sqlupdate != "")
                    {
                    $sqlupdate .= ", ";    
                    }

                if(in_array($colopt, array("type", "parent", "thumbnail_selection_method", "bg_img_resource_ref")))
                    {
                    $clear_fc_query_cache = true;
                    }

                if(in_array($colopt, array("parent", "thumbnail_selection_method", "bg_img_resource_ref")))
                    {
                    $sqlupdate .= $colopt . " = ";
                    if($colset == 0){$sqlupdate .= 'NULL';}
                    else
                        {
                        $sqlupdate .= '?';
                        $params = array_merge($params,['i', $colset]);
                        }
                    
                    continue;
                    }

                if($colopt == 'allow_changes')
                    {
                    $colset = (int) $colset;
                    }

                $sqlupdate .= $colopt . " = ? ";
                $params = array_merge($params, ['s', $colset]);
                }
            if($sqlupdate !== '')
                {
                $sql = "UPDATE collection SET {$sqlupdate} WHERE ref = ?";
                ps_query($sql, array_merge($params, ['i', $ref]));

                if($clear_fc_query_cache)
                    {
                    clear_query_cache("featured_collections");
                    }

                // Log the changes
                foreach($sqlset as $colopt => $colset)
                    {
                    switch($colopt)
                        {
                        case "public";
                            collection_log($ref, LOG_CODE_COLLECTION_ACCESS_CHANGED, 0, $colset ? 'public' : 'private');
                        break;    
                        case "allow_changes";
                            collection_log($ref, LOG_CODE_UNSPECIFIED, 0,  $colset ? 'true' : 'false' );
                        break; 
                        default;
                            collection_log($ref, LOG_CODE_EDITED, 0,  $colopt  . " = " . $colset);
                        break;
                        }
                     
                    }
                }
            }
        } # end replace hook - modifysavecollection

    index_collection($ref);

    # If 'users' is specified (i.e. access is private) then rebuild users list
    if (isset($coldata["users"]))
        {
        $old_attached_users=ps_array("SELECT user value FROM user_collection WHERE collection=?",array("i",$ref));

        $new_attached_users = array();
        $removed_users = array();

        $collection_owner_ref=ps_value(
            "SELECT u.ref value FROM collection c LEFT JOIN user u ON c.user=u.ref WHERE c.ref=?",
            array("i",$ref),
            "");
        global $userref;
        $collection_owner=get_user(($collection_owner_ref == ''?$userref:$collection_owner_ref));
        
        if($collection_owner_ref != "")
            {
            $old_attached_users[]=$collection_owner["ref"]; # Collection Owner is implied as attached already
            }

        ps_query("delete from user_collection where collection=?",array("i",$ref));
        
        $old_attached_groups=ps_array("SELECT usergroup value FROM usergroup_collection WHERE collection=?",array("i",$ref));
        ps_query("delete from usergroup_collection where collection=?",array("i",$ref));

        # Build a new list and insert
        $users=resolve_userlist_groups($coldata["users"]);
        $ulist=array_unique(trim_array(explode(",",$users)));
        $urefs = ps_array("select ref value from user where username in (" . ps_param_insert(count($ulist)) . ")", ps_param_fill($ulist, "s"));
        if (count($urefs)>0)
            {
            $params = [];
            foreach($urefs as $uref)
                {
                $params[] = $ref; $params[] = $uref; 
                }
            ps_query("insert into user_collection(collection,user) values " . trim(str_repeat('(?, ?),', count($urefs)), ','), ps_param_fill($params, 'i'));
            $new_attached_users=array_diff($urefs, $old_attached_users);
            $removed_users = array_diff($old_attached_users, $urefs, $collection_owner_ref != "" ? array($collection_owner["ref"]) : array());
            }

        # log this only if a user is being added
        if($coldata["users"]!="")
            {
            collection_log($ref,LOG_CODE_COLLECTION_SHARED_COLLECTION,0, join(", ",$ulist));
            }

        # log the removal of users / smart groups
        $was_shared_with = array();
        if (count($old_attached_users) > 0)
            {
            $was_shared_with = ps_array("select username value from user where ref in (" . ps_param_insert(count($old_attached_users)). ")",ps_param_fill($old_attached_users,"i"));
            }
        if (count($old_attached_groups) > 0) {
            foreach ($old_attached_groups as $old_group) {
                $was_shared_with[] = "Group (Smart): " . ps_value("SELECT name value FROM usergroup WHERE ref = ?", array("i", $old_group), "");
            }
        }
        if (count($urefs) == 0 && count($was_shared_with) > 0)
            {
            collection_log($ref,LOG_CODE_COLLECTION_STOPPED_SHARING_COLLECTION,0, join(", ",$was_shared_with));
            }

        $groups=resolve_userlist_groups_smart($users);
        $groupnames='';
        if($groups!='')
            {
            $groups=explode(",",$groups);
            if (count($groups)>0)
                { 
                foreach ($groups as $group)
                    {
                    ps_query("insert into usergroup_collection(collection,usergroup) values (?,?)",array("i",$ref,"i",$group));
                    // get the group name
                    if($groupnames!='')
                        {
                        $groupnames.=", ";
                        }
                    $groupnames.=ps_value("select name value from usergroup where ref=?",array("i",$group),"");
                    }

                $new_attached_groups=array_diff($groups, $old_attached_groups);
                if(!empty($new_attached_groups))
                    {
                    foreach($new_attached_groups as $newg)
                        {
                        $group_users=ps_array("SELECT ref value FROM user WHERE usergroup=?",array("i",$newg));
                        $new_attached_users=array_merge($new_attached_users, $group_users);
                        }
                    }
                }
            #log this
            collection_log($ref,LOG_CODE_COLLECTION_SHARED_COLLECTION,0, $groupnames);
            }

        # Clear user specific collection cache if user was added or removed.
        if (count($new_attached_users) >  0 || count($removed_users) > 0)
            {
            $user_caches = array_unique(array_merge($new_attached_users, $removed_users));
            foreach ($user_caches as $user_cache)
                {
                clear_query_cache('collection_access' . $user_cache);
                }
            }
        }

    # Send a message to any new attached user
    if(!empty($new_attached_users))
        {
        global $baseurl, $lang;

        $new_attached_users=array_unique($new_attached_users);
        $message_text = str_replace(
                array('%user%', '%colname%'),
                array($collection_owner["fullname"]??$collection_owner["username"],getval("name","")),
                $lang['collectionprivate_attachedusermessage']
        );
        $message_url = $baseurl . "/?c=" . $ref;
        message_add($new_attached_users,$message_text,$message_url);
        }

    # Relate all resources?
    if (
        isset($coldata["relateall"]) && $coldata["relateall"] != ""
        && allow_multi_edit($ref)
        ) {
            relate_all_collection($ref);
        }

    # Remove all resources?
    if (isset($coldata["removeall"]) && $coldata["removeall"]!="")
        {
        remove_all_resources_from_collection($ref);
        }

    # Delete all resources?
    if (
        isset($coldata["deleteall"]) && $coldata["deleteall"]!="" && !checkperm("D")
        && allow_multi_edit($ref)
        ) {
            delete_resources_in_collection($ref);
        }

    # Update limit count for saved search
    if (isset($coldata["result_limit"]) && (int)$coldata["result_limit"] > 0)
        {
        ps_query("update collection_savedsearch set result_limit=? where collection=?",array("i",$coldata["result_limit"],"i",$ref));
        }

    // Re-order featured collections tree at the level of this collection (if applicable - only for featured collections)
    if(isset($reorder_fcs))
        {
        $new_fcs_order = reorder_all_featured_collections_with_parent($sqlset['parent'] ?? null);
        log_activity("via save_collection({$ref})", LOG_CODE_REORDERED, implode(', ', $new_fcs_order), 'collection');
        }

    // When a collection is now saved as a Featured Collection (must have resources) under an existing branch, apply all 
    // the external access keys from the categories which make up that path to prevent breaking existing shares.
    if(
        isset($sqlset['parent']) && $sqlset['parent'] > 0
        && !empty($fc_resources = array_filter((array) get_collection_resources($ref)))
    )
        {
        // Delete old branch path external share associations as they are no longer relevant
        $old_branch_category_ids = array_column(get_featured_collection_category_branch_by_leaf((int) $oldcoldata['parent'], []), 'ref');
        foreach($old_branch_category_ids as $fc_category_id)
            {
            $old_keys = get_external_shares([
                    'share_collection' => $fc_category_id,
                    'share_type' => 0,
                    'ignore_permissions' => true
                ]);
            foreach($old_keys as $old_key_data)
                {
                // IMPORTANT: we delete the keys associated with the collection we've just saved. The key may still be valid for the rest of the branch categories.
                delete_collection_access_key($ref, $old_key_data['access_key']);
                }
            }


        // Copy associations of all branch parents and apply to this collection and its resources
        $all_branch_path_keys = [];
        $branch_category_ids = array_column(get_featured_collection_category_branch_by_leaf($sqlset['parent'], []), 'ref');
        foreach($branch_category_ids as $fc_category_id)
            {
            $all_branch_path_keys = array_merge(
                $all_branch_path_keys,
                get_external_shares([
                    'share_collection' => $fc_category_id,
                    'share_type' => 0,
                    'ignore_permissions' => true
                ]));
            }

        foreach($all_branch_path_keys as $external_key_data)
            {
            foreach($fc_resources as $fc_resource_id)
                {
                if(!can_share_resource($fc_resource_id))
                    {
                    continue;
                    }

                ps_query(
                    'INSERT INTO external_access_keys(resource, access_key, collection, `user`, usergroup, email, `date`, access, expires, password_hash) VALUES (?, ?, ?, ?, ?, ?, NOW(), ?, ?, ?)',
                    [
                        'i', $fc_resource_id,
                        's', $external_key_data['access_key'],
                        'i', $ref,
                        'i', $GLOBALS['userref'],
                        'i', $external_key_data['usergroup'],
                        's', $external_key_data['email'],
                        'i', $external_key_data['access'],
                        's', $external_key_data['expires'] ?: null,
                        's', $external_key_data['password_hash'] ?: null
                    ]
                );
                collection_log($ref, LOG_CODE_COLLECTION_SHARED_RESOURCE_WITH, $fc_resource_id, $external_key_data['access_key']);
                }
            }
        }
    global $userref;
    clear_query_cache('collection_access' . $userref);
    refresh_collection_frame();
    }

This article was last updated 11th December 2024 07:05 Europe/London time based on the source file dated 4th December 2024 16:35 Europe/London time.