commit f670a5d792991d8a874fe5f8d7c0ee67cfe7eebf · nekomimi.pet/microcosm-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

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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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       }