unimore/tirocinio-canali-steffo-acrate
unimore/tirocinio-canali-steffo-acrate
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astreams: Parse Link.href as Node

Browse source 
https://www.w3.org/ns/activitystreams
This commit is contained in:
Steffo 2024-12-28 02:36:34 +01:00
parent ffe5c3cc03
commit ea126d11f4
Signed by: steffo
GPG key ID: 5ADA3868646C3FC0
1 changed files with 24 additions and 1 deletions
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25
acrate_astreams/src/activitystreams/jsonld.rs
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@ -2,6 +2,7 @@ use anyhow::{anyhow, Error};
use static_iref::iri;
use anyhow::Result as AResult;
use iref::Iri;
use json_ld::object::Any;
use mediatype::MediaType;
use crate::activitystreams::StreamsLink;
@ -9,6 +10,7 @@ pub trait StreamsJsonLD {
fn get_one_str(&self, id: &Iri) -> Option<AResult<String>>;
fn get_multiple_str(&self, id: &Iri) -> impl Iterator<Item = AResult<String>>;
fn get_one_mediatype(&self, id: &Iri) -> Option<AResult<MediaType>>;
fn get_node_str(&self, id: &Iri) -> Option<AResult<String>>;
}
impl StreamsJsonLD for &json_ld::Node {
@ -80,11 +82,32 @@ impl StreamsJsonLD for &json_ld::Node {
Some(Ok(mediatype))
}
fn get_node_str(&self, id: &Iri) -> Option<AResult<String>> {
let property = match self.properties.get_any(&id) {
None => return None,
Some(property) => property,
};
let node = match property.as_node() {
None => return Some(Err(anyhow!("Couldn't process property as JSON-LD node"))),
Some(value) => value,
};
let id = match node.id() {
None => return Some(Err(anyhow!("Couldn't process property's JSON-LD node @id"))),
Some(id) => id
};
let string = id.to_string();
Some(Ok(string))
}
}
impl StreamsLink for &json_ld::Node {
fn streams_href(&self) -> Option<AResult<String>> {
self.get_one_str(
self.get_node_str(
iri!("https://www.w3.org/ns/activitystreams#href")
)
}