59 lines
2 KiB
Rust
59 lines
2 KiB
Rust
use chrono::{DateTime, Utc};
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use crate::sources::Sources;
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#[derive(Debug, Clone)]
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pub struct FeedEntry {
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pub id: String,
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pub updated: Option<DateTime<Utc>>,
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pub url: String,
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pub title: String,
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pub tags: Vec<String>,
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}
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pub fn generate(sources: &Sources, tag_name: &str) -> Option<Vec<FeedEntry>> {
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let mut entries = vec![];
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let tag = sources.treehouse.tags.get(tag_name)?;
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for file_id in &tag.files {
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if let Some(roots) = sources.treehouse.roots.get(file_id) {
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if let Some(id) = roots.attributes.id.clone() {
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entries.push(FeedEntry {
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id,
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updated: roots.attributes.timestamps.map(|ts| ts.updated),
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url: format!(
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"{}/{}.tree",
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sources.config.site,
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sources.treehouse.tree_path(*file_id).unwrap()
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),
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title: roots.attributes.title.clone(),
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tags: roots.attributes.tags.clone(),
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});
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}
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} else if let Some(doc) = sources.treehouse.docs.get(file_id) {
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if !doc.attributes.id.is_empty() && doc.attributes.updated.is_some() {
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entries.push(FeedEntry {
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id: doc.attributes.id.clone(),
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updated: doc.attributes.updated,
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url: format!(
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"{}/{}",
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sources.config.site,
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sources.treehouse.path(*file_id).with_extension("")
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),
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title: doc.attributes.title.clone(),
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tags: doc.attributes.tags.clone(),
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});
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}
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} else {
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unreachable!(
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"{file_id:?} registered in tag #{tag_name} is not actually in the treehouse"
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);
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// Well... either that, or unknown variant.
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}
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}
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entries.sort_by_key(|entry| entry.updated);
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entries.reverse();
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Some(entries)
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}
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