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use crate::config::Config;
use serde_json::Value;
use std::collections::HashMap;
use std::path::Path;
use fs_err as fs;
#[derive(Debug)]
pub struct Cache {
value: Value,
pub variables: HashMap<String, Value>,
}
impl Cache {
/// Create a new cache, used to read files only once and otherwise store their contents.
pub fn new(config: &Config) -> Cache {
let root = Path::new(&config.doc_dir);
let filename = Path::new(&config.template).file_stem().unwrap();
let file_path = root.join(&Path::with_extension(Path::new(filename), "json"));
let content = fs::read_to_string(&file_path).expect("failed to read JSON file");
Cache {
value: serde_json::from_str::<Value>(&content).expect("failed to convert from JSON"),
variables: HashMap::new(),
}
}
pub fn value(&self) -> &Value {
&self.value
}
}
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