add rm_repo.rs (#16)

* added basic remove repo function

* cleaner error reporting

* semver submodule to dependency

* merge bug

* refactroed to use macro

---------

Co-authored-by: Ishaan Subramanya <whthownothing@gmail.com>

.gitignore

@@ -22,7 +22,7 @@ Cargo.lock
 !.vscode/*.code-snippets
 .history/
 *.vsix
-.vscode/
+/.vscode/
 
 # Packaging
 /packaging/**/pkg

Cargo.toml

@@ -74,4 +74,4 @@ console = "0.15"
 
 # GUI
 relm4 = "0.8"
-relm4-components = "0.8"
+relm4-components = "0.8"

paxy/src/actions/repository/mod.rs

@@ -24,6 +24,10 @@ pub enum Error {
     #[non_exhaustive]
     #[snafu(display("Could not downgrade:\n  {source}"))]
     CouldNotDowngrade { source: downgrade::Error },
+
+    #[non_exhaustive]
+    #[snafu(display("Could not remove:\n  {source}"))]
+    CouldNotRemove { source: rm_repo::Error }
 }
 
 // region: IMPORTS
@@ -42,6 +46,7 @@ pub mod list;
 pub mod search;
 pub mod uninstall;
 pub mod update;
+pub mod rm_repo;
 
 // endregion: MODULES
 
@@ -60,5 +65,7 @@ pub use search::*;
 pub use uninstall::*;
 #[allow(unused_imports)]
 pub use update::*;
+#[allow(unused_imports)]
+pub use rm_repo::*;
 
 // endregion: RE-EXPORTS

paxy/src/actions/repository/rm_repo.rs

@@ -0,0 +1,71 @@
+//region: IMPORTS
+use bson::Document;
+use crate::data::config::{Config,load_conf};
+use std::{
+    path::PathBuf,
+    io::Write,
+};
+use snafu::{Snafu,ensure,OptionExt,ResultExt};
+//endregion: IMPORTS
+
+#[derive(Debug, Snafu)]
+pub enum Error {
+    #[snafu(display("failed to serialize repo data into byte stream {source}"))]
+    FailedToSerialize {source: bson::ser::Error},
+
+    #[snafu(display("failed to write to repo data file {source}"))]
+    FailedToWriteData {source: std::io::Error},
+
+    #[snafu(display("repo not found"))]
+    FailedToFindRepo {},
+}
+
+#[allow(dead_code)]
+fn delete_repo(repo_name: &str) -> Result<(),Error> {
+    let mut config = load_conf();
+    let mut readable_data = config.repositories;
+
+    readable_data.get(repo_name).context(FailedToFindRepoSnafu{})?;
+    readable_data.remove(repo_name);
+    let mut buf = vec![];
+    let rbd_result = readable_data.to_writer(&mut buf);
+
+    rbd_result.context(FailedToSerializeSnafu{})?;
+
+    let mut repos_file_path: PathBuf = home!();
+    repos_file_path.push(".paxy");
+    repos_file_path.push("repos.bson");
+    let mut file = std::fs::OpenOptions::new().write(true).truncate(true).open(repos_file_path).unwrap();
+    let ftw_result = file.write_all(&buf);
+
+    ftw_result.context(FailedToWriteDataSnafu{})?;
+
+    config.repositories = readable_data;
+
+    let mut config_toml_path: PathBuf = home!();
+
+    config_toml_path.push(".paxy");
+    config_toml_path.push("config.toml");
+
+    let mut config_toml_file = std::fs::OpenOptions::new().write(true).truncate(true).open(config_toml_path).unwrap();
+    config_toml_file.write_all(
+        toml::to_string(&config)
+            .unwrap()
+            .as_bytes(),
+    )
+        .expect("Permission error");
+
+    Ok(())
+}
+
+//region: TESTS
+#[cfg(test)]
+mod tests {
+    use super::*;
+    #[test]
+    fn delete_repo_test() {
+	Config::default();
+	assert_eq!(delete_repo("paxy-pkgs").is_ok(),true);
+   }
+}
+//endregion: TESTS

paxy/src/data/config.rs

@@ -79,7 +79,7 @@ pub enum InstallType {
 }
 
 #[allow(dead_code)]
-fn load_conf() -> Config {
+pub fn load_conf() -> Config {
     let mut conf_path: PathBuf = home!();
     conf_path.push(".paxy");
     conf_path.push("config.toml");

paxy/src/data/mod.rs

@@ -35,4 +35,4 @@ use snafu::Snafu;
 // pub use some_module::*;
 
 // endregion: RE-EXPORTS
-mod config;
+pub mod config;