57 lines
1.2 KiB
Rust
57 lines
1.2 KiB
Rust
use std::{
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fs,
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path::{Path, PathBuf},
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};
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use log::error;
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pub trait CacheStorage {
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fn write(&self, data: &str);
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fn read(&self) -> Option<String>;
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}
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pub struct FileStorage {
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path: PathBuf,
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}
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impl FileStorage {
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pub fn new<P: AsRef<Path>>(path: P) -> Self {
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Self {
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path: path.as_ref().to_path_buf(),
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}
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}
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}
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impl Default for FileStorage {
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fn default() -> Self {
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Self {
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path: Path::new("rustypipe_cache.json").into(),
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}
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}
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}
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impl CacheStorage for FileStorage {
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fn write(&self, data: &str) {
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fs::write(&self.path, data).unwrap_or_else(|e| {
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error!(
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"Could not write cache to file `{}`. Error: {}",
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self.path.to_string_lossy(),
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e
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);
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});
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}
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fn read(&self) -> Option<String> {
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match fs::read_to_string(&self.path) {
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Ok(data) => Some(data),
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Err(e) => {
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error!(
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"Could not load cache from file `{}`. Error: {}",
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self.path.to_string_lossy(),
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e
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);
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None
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}
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}
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}
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}
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