34 lines
849 B
Rust
34 lines
849 B
Rust
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use std::collections::HashMap;
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use serde_derive::Serialize;
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use crate::post::Post;
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#[derive(Serialize, Debug)]
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pub struct Tag {
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pub slug: String,
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pub absolute_path: String,
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pub posts: Vec<String>,
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}
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pub fn get_tags<'a>(posts: impl IntoIterator<Item=&'a Post>) -> HashMap<String,Tag> {
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let mut tags: HashMap<String,Tag> = HashMap::new();
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for post in posts.into_iter().filter(|p| p.is_published()) {
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for key in &post.tags {
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if let Some(tag) = tags.get_mut(key) {
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tag.posts.push(post.slug.clone());
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}
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else {
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tags.insert(key.clone(), Tag {
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slug: key.clone(),
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absolute_path: format!("/tags/{key}/"),
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posts: vec![post.slug.clone()]
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});
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}
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}
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}
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tags
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}
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