30 lines
963 B
Rust
30 lines
963 B
Rust
use std::collections::HashMap;
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use std::path::{PathBuf};
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use tera::{GlobalFn, Value, from_value, to_value, Result};
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use page::Page;
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pub fn make_get_page(all_pages: &HashMap<PathBuf, Page>) -> GlobalFn {
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let mut pages = HashMap::new();
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for page in all_pages.values() {
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pages.insert(page.relative_path.clone(), page.clone());
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}
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Box::new(move |args| -> Result<Value> {
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match args.get("path") {
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Some(val) => match from_value::<String>(val.clone()) {
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Ok(v) => {
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match pages.get(&v) {
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Some(p) => Ok(to_value(p).unwrap()),
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None => Err(format!("Page `{}` not found.", v).into())
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}
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},
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Err(_) => Err(format!("`get_page` received path={:?} but it requires a string", val).into()),
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},
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None => Err("`get_page` requires a `path` argument.".into()),
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}
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})
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}
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