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use crate::{config::Config, util, Location, Repository, Tag};
use anyhow::{anyhow, Context, Result};
use std::{
collections::HashMap,
io::Write,
path::{Path, PathBuf},
};
#[derive(Debug)]
pub struct Cache {
data: CacheData,
}
#[derive(Debug)]
pub struct CacheData {
repositories: HashMap<String, Repository>,
tags: HashMap<String, Tag>,
}
impl Cache {
pub fn new() -> Result<Self> {
trace!("Loading cache data");
Ok(Self {
data: CacheData::new()?,
})
}
pub fn add_repository(&mut self, repository: Repository) {
self.data
.repositories
.insert(repository.name.clone(), repository);
}
pub fn add_tag(&mut self, tag: Tag) {
self.data.tags.insert(tag.name.clone(), tag);
}
pub fn get_repository(&self, name: &str) -> Option<&Repository> {
self.data.repositories.get(name)
}
pub fn get_repository_mut(&mut self, name: &str) -> Option<&mut Repository> {
self.data.repositories.get_mut(name)
}
pub fn take_repository(&mut self, name: &str) -> Option<Repository> {
self.data.repositories.remove(name)
}
pub fn get_tag(&self, name: &str) -> Option<&Tag> {
self.data.tags.get(name)
}
pub fn get_tag_mut(&mut self, name: &str) -> Option<&mut Tag> {
self.data.tags.get_mut(name)
}
pub fn take_tag(&mut self, name: &str) -> Option<Tag> {
self.data.tags.remove(name)
}
pub fn has_repository(&self, name: &str) -> bool {
self.data.repositories.contains_key(name)
}
pub fn has_tag(&self, name: &str) -> bool {
self.data.tags.contains_key(name)
}
pub fn remove_repository(&mut self, name: &str) -> Result<()> {
match self.get_repository(name) {
Some(repo) => {
std::fs::remove_file(&repo.config).context(format!(
"failed to remove repository config file: {}",
&repo.config.display()
))?;
self.data.repositories.remove(name);
Ok(())
}
None => Err(anyhow!("Repository: '{}' is not tracked by repo", name)),
}
}
pub fn remove_tag(&mut self, name: &str) -> Result<()> {
match self.get_tag(name) {
Some(tag) => std::fs::remove_file(&tag.config)
.context(format!(
"failed to remove tag config file: {:#?}",
&tag.config
))
.map_err(Into::into),
None => Err(anyhow!("Tag: '{}' is not in repo", name)),
}
}
pub fn repositories(&self) -> Vec<&Repository> {
self.data.repositories.values().collect()
}
pub fn tags(&self) -> Vec<&Tag> {
self.data.tags.values().collect()
}
}
impl CacheData {
pub fn new() -> Result<Self> {
let paths = vec![
(Config::global_path(), Location::Global),
(Config::local_path(), Location::Local),
];
let mut repositories = HashMap::new();
let mut tags = HashMap::new();
for (path, location) in paths {
let repo_path = PathBuf::from(&path).join("repository");
debug!("Checking if repository folder exists: {:#?}", repo_path);
if repo_path.is_dir() {
debug!("Repository folder exists");
let pattern = format!("{}/*.toml", repo_path.display());
for entry in glob::glob(&pattern).expect("failed repository glob") {
let file = match entry {
Ok(file) => file,
Err(e) => {
return Err(e).context("file is unreadable");
}
};
debug!("Loading Repository: {:#?}", file);
let content = util::read_content(&file)?;
let mut repository: Repository = toml::from_str(&content).context(format!(
"could not serialize content into Repository:\n\n{}",
content
))?;
repository.config = file;
repository.location = location;
debug!("Inserting into cache: {}", repository.name);
repositories.insert(repository.name.clone(), repository);
}
} else {
debug!("Repository folder does not exists");
};
let tag_path = PathBuf::from(&path).join("tag");
debug!("Checking if tag folder exists: {:#?}", tag_path);
if tag_path.is_dir() {
debug!("Tag folder exists");
let pattern = format!("{}/*.toml", tag_path.display());
for entry in glob::glob(&pattern).expect("failed tag glob") {
let file = match entry {
Ok(file) => file,
Err(e) => {
return Err(e).context("file is unreadable");
}
};
debug!("Loading Tag: {:#?}", file);
let content = util::read_content(&file)?;
let mut tag: Tag = toml::from_str(&content).context(format!(
"could not serialize content into Tag:\n\n{}",
content
))?;
tag.config = file;
tag.location = location;
debug!("Inserting into cache: {}", tag.name);
tags.insert(tag.name.clone(), tag);
}
} else {
debug!("Tag folder does not exists");
};
}
Ok(Self { repositories, tags })
}
}