Constellation, Spacedust, Slingshot, UFOs: atproto crates and services for microcosm
walk record json and get links
author
phil
date
(Jan 8, 2025, 5:54 PM -0500)
commit
f670a5d7
f670a5d792991d8a874fe5f8d7c0ee67cfe7eebf
parent
212ff2ee
212ff2ee61404e6891d6bd78a436f077b8d06385
+156
-4
+19
-4
src/lib.rs
+19
-4
src/lib.rs
···
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pub mod at_uri;
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pub mod did;
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pub mod record;
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pub use record::collect_links;
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#[derive(Debug, PartialEq)]
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pub enum Link {
···
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Did(String),
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}
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impl Link {
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pub fn into_string(self) -> String {
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match self {
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Link::AtUri(s) => s,
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Link::Uri(s) => s,
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Link::Did(s) => s,
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}
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}
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}
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// normalizing is a bit opinionated but eh
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pub fn parse_uri(s: &str) -> Option<String> {
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Uri::parse(s).map(|u| u.normalize().into_string()).ok()
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}
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-
pub fn parse_any(s: &str) -> Option<Link> {
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pub fn parse_any_link(s: &str) -> Option<Link> {
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at_uri::parse_at_uri(s).map(Link::AtUri).or_else(|| {
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did::parse_did(s)
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.map(Link::Did)
···
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#[test]
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fn test_any_parse() {
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assert_eq!(
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parse_any("https://example.com"),
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parse_any_link("https://example.com"),
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Some(Link::Uri("https://example.com".into()))
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);
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assert_eq!(
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parse_any("at://did:plc:44ybard66vv44zksje25o7dz/app.bsky.feed.post/3jwdwj2ctlk26"),
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parse_any_link(
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"at://did:plc:44ybard66vv44zksje25o7dz/app.bsky.feed.post/3jwdwj2ctlk26"
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),
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Some(Link::AtUri(
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"at://did:plc:44ybard66vv44zksje25o7dz/app.bsky.feed.post/3jwdwj2ctlk26".into()
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)),
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);
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assert_eq!(
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parse_any("did:plc:44ybard66vv44zksje25o7dz"),
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parse_any_link("did:plc:44ybard66vv44zksje25o7dz"),
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Some(Link::Did("did:plc:44ybard66vv44zksje25o7dz".into()))
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)
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}
+137
src/record.rs
+137
src/record.rs
···
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use tinyjson::JsonValue;
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use crate::parse_any_link;
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pub fn walk_record(path: &str, v: &JsonValue, found: &mut Vec<(String, String)>) {
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match v {
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JsonValue::Object(o) => {
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for (key, child) in o {
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walk_record(&format!("{path}.{key}"), child, found)
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}
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}
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JsonValue::Array(a) => {
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let p = format!("{path}[]");
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for child in a {
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walk_record(&p, child, found)
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}
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}
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JsonValue::String(s) => {
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if let Some(link) = parse_any_link(s) {
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found.push((path.to_string(), link.into_string()));
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}
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}
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_ => {}
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}
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}
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pub fn collect_links(v: JsonValue) -> Vec<(String, String)> {
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let mut found = vec![];
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walk_record("", &v, &mut found);
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found
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_collect_links() {
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let rec = r#"{"a": "https://example.com", "b": "not a link"}"#;
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let json = collect_links(rec.parse().unwrap());
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assert_eq!(json, vec![(".a".into(), "https://example.com".into())]);
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}
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#[test]
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fn test_bsky_feed_post_record_reply() {
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let rec = r#"{
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"$type": "app.bsky.feed.post",
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"createdAt": "2025-01-08T20:52:43.041Z",
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"langs": [
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"en"
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],
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"reply": {
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"parent": {
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"cid": "bafyreifk3bwnmulk37ezrarg4ouheqnhgucypynftqafl4limssogvzk6i",
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"uri": "at://did:plc:b3rzzkblqsxhr3dgcueymkqe/app.bsky.feed.post/3lf6yc4drhk2f"
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},
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"root": {
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"cid": "bafyreifk3bwnmulk37ezrarg4ouheqnhgucypynftqafl4limssogvzk6i",
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"uri": "at://did:plc:b3rzzkblqsxhr3dgcueymkqe/app.bsky.feed.post/3lf6yc4drhk2f"
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}
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},
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"text": "Yup!"
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}"#;
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let mut json = collect_links(rec.parse().unwrap());
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json.sort();
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assert_eq!(
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json,
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vec![
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(
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".reply.parent.uri".into(),
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"at://did:plc:b3rzzkblqsxhr3dgcueymkqe/app.bsky.feed.post/3lf6yc4drhk2f".into()
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),
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(
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".reply.root.uri".into(),
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"at://did:plc:b3rzzkblqsxhr3dgcueymkqe/app.bsky.feed.post/3lf6yc4drhk2f".into()
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),
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]
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)
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}
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#[test]
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fn test_bsky_feed_post_record_embed() {
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let rec = r#"{
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"$type": "app.bsky.feed.post",
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"createdAt": "2025-01-08T20:52:39.539Z",
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"embed": {
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"$type": "app.bsky.embed.external",
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"external": {
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"description": "YouTube video by More Perfect Union",
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"thumb": {
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"$type": "blob",
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"ref": {
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"$link": "bafkreifxuvkbqksq5usi4cryex37o4absjexuouvgenlb62ojsx443b2tm"
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},
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"mimeType": "image/jpeg",
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"size": 477460
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},
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"title": "Corporations & Wealthy Elites Are Coopting Our Government. Who Can Stop Them?",
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"uri": "https://youtu.be/oKXm4szEP1Q?si=_0n_uPu4qNKokMnq"
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}
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},
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"facets": [
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{
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"features": [
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{
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"$type": "app.bsky.richtext.facet#link",
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"uri": "https://youtu.be/oKXm4szEP1Q?si=_0n_uPu4qNKokMnq"
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}
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],
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"index": {
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"byteEnd": 24,
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"byteStart": 0
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}
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}
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],
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"langs": [
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"en"
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],
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"text": "youtu.be/oKXm4szEP1Q?..."
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}"#;
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let mut json = collect_links(rec.parse().unwrap());
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json.sort();
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assert_eq!(
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json,
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vec![
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(
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".embed.external.uri".into(),
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"https://youtu.be/oKXm4szEP1Q?si=_0n_uPu4qNKokMnq".into()
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),
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(
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".facets[].features[].uri".into(),
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"https://youtu.be/oKXm4szEP1Q?si=_0n_uPu4qNKokMnq".into()
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),
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]
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)
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}
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}