| 94 | } |
| 95 | |
| 96 | pub fn get_metadata(log: &Logger, cache_path: &Option<PathBuf>) -> Metadata { |
| 97 | if let Some(cache) = cache_path { |
| 98 | let metadata_path = get_metadata_path(cache.clone()); |
| 99 | log.trace(format!("Reading metadata from {}", metadata_path.display())); |
| 100 | |
| 101 | if metadata_path.exists() { |
| 102 | let metadata_file = File::open(&metadata_path).unwrap(); |
| 103 | let metadata: Metadata = match serde_json::from_reader(&metadata_file) { |
| 104 | Ok::<Metadata, serde_json::Error>(mut meta) => { |
| 105 | let now = now_unix_timestamp(); |
| 106 | meta.browsers.retain(|b| b.browser_ttl > now); |
| 107 | meta.drivers.retain(|d| d.driver_ttl > now); |
| 108 | meta.stats.retain(|s| s.stats_ttl > now); |
| 109 | meta |
| 110 | } |
| 111 | Err(_e) => new_metadata(log), // Empty metadata |
| 112 | }; |
| 113 | return metadata; |
| 114 | } |
| 115 | } |
| 116 | new_metadata(log) // Empty metadata |
| 117 | } |
| 118 | |
| 119 | pub fn get_browser_version_from_metadata( |
| 120 | browsers_metadata: &[Browser], |