use crate::{
lint::{
common_error_literals::NO_ROOT_PREFIX,
helpers::{catch_single_annotations_which_may_exist, fail_if_domain_name_is_invalid},
lint_failure, lint_success, lint_warning, Lint, LintResult,
},
Linter, MultiReaderRdfGraph,
};
use field33_rdftk_iri_temporary_fork::IRI as RDFTK_IRI;
use plow_ontology::constants::REGISTRY_HOMEPAGE;
use plow_package_management::metadata::get_root_prefix;
use std::str::FromStr;
use std::{any::Any, collections::HashSet};
const RELATED_FIELD: &str = "`registry:homepage`";
#[derive(Debug, Default)]
pub struct ValidRegistryHomepage;
impl Lint for ValidRegistryHomepage {
fn as_any(&self) -> &dyn Any {
self
}
fn short_description(&self) -> &str {
"Check that the field is annotated with a value for `registry:homepage`"
}
fn run(
&self,
Linter {
document,
graph: MultiReaderRdfGraph { inner: rdf_graph },
..
}: &Linter,
) -> LintResult {
let rdf_factory = field33_rdftk_core_temporary_fork::simple::statement::statement_factory();
if let Some(root_prefix) = get_root_prefix(document) {
let graph_ref = rdf_graph;
let graph = graph_ref.borrow();
#[allow(clippy::unwrap_used)]
let annotations = graph
.statements()
.filter(|statement| {
statement.subject()
== &rdf_factory
.named_subject(RDFTK_IRI::from_str(root_prefix).unwrap().into())
&& statement.predicate()
== &RDFTK_IRI::from_str(REGISTRY_HOMEPAGE).unwrap().into()
})
.collect::<HashSet<_>>();
if let Some(failure) =
catch_single_annotations_which_may_exist(&annotations, RELATED_FIELD)
{
return failure;
}
#[allow(clippy::unwrap_used)]
if let Some(annotation) = annotations.iter().next() {
let lint_prefix = format!("The value of {RELATED_FIELD}");
if let Some(literal) = annotation.object().as_literal() {
if let Some(failure) = fail_if_domain_name_is_invalid(literal, RELATED_FIELD) {
return failure;
}
lint_success!(format!("{lint_prefix} is valid."))
} else {
lint_failure!(format!("{lint_prefix} is not a literal."))
}
} else {
lint_warning!(format!("It might be nice to add a {RELATED_FIELD} annotation for interested individuals to learn more about this field."))
}
} else {
lint_failure!(NO_ROOT_PREFIX)
}
}
}