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| Original file line number | Diff line number | Diff line change |
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@@ -2,6 +2,8 @@ mod cli; | |
| mod config; | ||
| mod entity; | ||
| mod gui; | ||
| mod persistent_storage; | ||
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| pub mod modules; | ||
| pub mod utils; | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,106 @@ | ||
| use std::{ | ||
| env, | ||
| fs::{File, OpenOptions}, | ||
| io::{Read, Seek, Write}, | ||
| path::PathBuf, | ||
| }; | ||
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| use serde::{Deserialize, Serialize}; | ||
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| pub const PERSISTENT_STORAGE_FILE_NAME: &str = "data.toml"; | ||
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| #[derive(Debug)] | ||
| pub struct PersistentStorage { | ||
| file: File, | ||
| data: PersistentStorageData, | ||
| } | ||
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| pub const PERSISTENT_STORAGE_WADDY_RECENT_WADS_COUNT: usize = 10; | ||
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| #[derive(Debug, Serialize, Deserialize, Clone)] | ||
| pub struct PersistentStorageData { | ||
| waddy_recent_wads: Option<Vec<String>>, | ||
| } | ||
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| impl PersistentStorage { | ||
| pub fn start() -> eyre::Result<Self> { | ||
| let path = match env::current_exe() { | ||
| Ok(path) => path.parent().unwrap().join(PERSISTENT_STORAGE_FILE_NAME), | ||
| Err(_) => PathBuf::from(PERSISTENT_STORAGE_FILE_NAME), | ||
| }; | ||
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| let mut file = OpenOptions::new() | ||
| .create(true) | ||
| .write(true) | ||
| .read(true) | ||
| // .truncate(true) // dont truncate otherwise we cannot read the file | ||
| .open(path.clone())?; | ||
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| let mut buf = String::new(); | ||
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| match file.read_to_string(&mut buf) { | ||
| Ok(_) => (), | ||
| Err(_) => { | ||
| file.seek(std::io::SeekFrom::Start(0)).unwrap(); | ||
| file.set_len(0).unwrap(); | ||
| } | ||
| }; | ||
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| let data: PersistentStorageData = toml::from_str(&buf).unwrap(); | ||
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| Ok(PersistentStorage { file, data }) | ||
| } | ||
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| pub fn get_waddy_recent_wads(&self) -> Option<&Vec<String>> { | ||
| self.data.waddy_recent_wads.as_ref() | ||
| } | ||
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| pub fn push_waddy_recent_wads(&mut self, s: &str) -> eyre::Result<()> { | ||
| if let Some(waddy_recent_wads) = &mut self.data.waddy_recent_wads { | ||
| // remove duplicate | ||
| waddy_recent_wads.retain(|e| e != s); | ||
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| // insert at the beginning | ||
| // might be a bit anal because this could be better by pushing | ||
| // but it is not that ergonomic to truncate later | ||
| waddy_recent_wads.insert(0, s.to_string()); | ||
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| // truncate | ||
| waddy_recent_wads.truncate(PERSISTENT_STORAGE_WADDY_RECENT_WADS_COUNT); | ||
| } else { | ||
| self.data.waddy_recent_wads = Some(vec![s.to_string()]) | ||
| } | ||
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| self.update() | ||
| } | ||
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| // Removes an element that is sure in here | ||
| pub fn remove_waddy_recent_wads(&mut self, s: &str) -> eyre::Result<()> { | ||
| if let Some(waddy_recent_wads) = &mut self.data.waddy_recent_wads { | ||
| waddy_recent_wads.retain(|e| e != s); | ||
| } | ||
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| self.update() | ||
| } | ||
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| /// Writes into file | ||
| pub fn update(&mut self) -> eyre::Result<()> { | ||
| let res = toml::to_string(&self.data)?; | ||
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| // hacky shit to clear file | ||
| // let's hope there's no race condition from this from the ui part | ||
| self.clear_data()?; | ||
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| self.file.write_all(res.as_bytes())?; | ||
| self.file.flush()?; | ||
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| Ok(()) | ||
| } | ||
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| pub fn clear_data(&mut self) -> eyre::Result<()> { | ||
| self.file.seek(std::io::SeekFrom::Start(0))?; | ||
| self.file.set_len(0)?; | ||
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| Ok(()) | ||
| } | ||
| } |