use crate::{
lint::{
common_error_literals::NO_ROOT_PREFIX, helpers::catch_single_annotations_which_must_exist,
lint_failure, lint_success, Lint, LintResult,
},
Linter, MultiReaderRdfGraph,
};
use field33_rdftk_iri_temporary_fork::IRI as RDFTK_IRI;
use plow_ontology::constants::RDFS_LABEL;
use plow_package_management::metadata::get_root_prefix;
use std::str::FromStr;
use std::{any::Any, collections::HashSet};
const RELATED_FIELD: &str = "`rdfs:label`";
const RDFS_LABEL_MANIFEST_CONTEXT_MAX_ALLOWED_CHAR_COUNT: usize = 60;
#[derive(Debug, Default)]
pub struct HasRdfsLabelManifestContext;
impl Lint for HasRdfsLabelManifestContext {
fn as_any(&self) -> &dyn Any {
self
}
fn short_description(&self) -> &str {
"Check that the field is annotated with a value for `rdfs:label`"
}
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(RDFS_LABEL).unwrap().into()
})
.collect::<HashSet<_>>();
if let Some(failure) =
catch_single_annotations_which_must_exist(&annotations, RELATED_FIELD)
{
return failure;
}
#[allow(clippy::unwrap_used)]
let annotation = annotations.iter().next().unwrap();
let lint_prefix = format!("The value of {RELATED_FIELD},");
let result = annotation.object().as_literal().map_or_else(
|| lint_failure!(format!("{lint_prefix} is not a literal.")),
|literal| {
let title_raw = literal.lexical_form().trim();
if title_raw.chars().count() > RDFS_LABEL_MANIFEST_CONTEXT_MAX_ALLOWED_CHAR_COUNT {
return lint_failure!(format!("{lint_prefix} allows a maximum of {RDFS_LABEL_MANIFEST_CONTEXT_MAX_ALLOWED_CHAR_COUNT} characters."));
}
if !literal.has_language() {
return lint_failure!(format!(
"{lint_prefix} should be tagged with a language tag."
));
}
lint_success!(format!("{lint_prefix} is valid, which represents the field title."))
},
);
result
} else {
lint_failure!(NO_ROOT_PREFIX)
}
}
}