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annotationEditable()

Description

Check if an annotation can be editable (add/ edit + remove) by the user. Please note that Annotorious JS library is
treating edit & remove as the same under the "editable" property.

Parameters

ColumnTypeDefaultDescription
$annotation array
$ctx: array
$annotate_public_view;
$annotate_text_adds_comment
an in
string} array{k?: $ctx Environment context (e.g. external share)

Location

include/annotation_functions.php lines 257 to 298

Definition

 
function annotationEditable(array $annotation, array $ctx): bool
{
    debug(sprintf('[annotations][fct=annotationEditable] $annotation = %s', json_encode($annotation)));
    global $userref, $annotate_text_adds_comment, $annotate_public_view;

    // Read-only annotations when:
    if (
        // - allowed to view publicly, in an external share context
        ($annotate_public_view && ($ctx['k'] ?? '') !== '')
        // - the resource is inapplicable because its type is excluded (via $annotate_exclude_restypes)
        || !resource_can_be_annotated($annotation['resource'])
    ) {
        return false;
    }

    $add_operation = !isset($annotation['user']);

    // Text (comment) annotations
    if ((int) $annotation['resource_type_field'] === 0) {
        return $annotate_text_adds_comment
            ? (($add_operation || checkperm('o')) && !checkPermission_anonymoususer())
            : false;
    }

    /*
    # Field bound annotations

    Non-admin edit authorisation is valid when:
        - user is just adding a new (field bound) annotation
        - when editing/removing an existing annotation, the annotation was created by the same user
    */
    $non_admin_athz = ($add_operation || $userref == $annotation['user']);
    $field_edit_access = metadata_field_edit_access($annotation['resource_type_field']);
    $resource_edit_access = get_edit_access($annotation['resource']);

    // Anonymous users cannot edit by default. They can only edit if they are allowed CRUD operations
    if (checkPermission_anonymoususer()) {
        return $non_admin_athz && $field_edit_access && $resource_edit_access;
    }

    return (checkperm('a') || $non_admin_athz) && $field_edit_access && $resource_edit_access;
}

This article was last updated 9th July 2025 21:35 Europe/London time based on the source file dated 4th July 2025 10:35 Europe/London time.