fix(pkgs/back): Use rocket to manage the configuration values

This reduces the amount of needed `unwraps`/`expects` and allows us to
streamline the parsing processes.

1 files changed, 56 insertions, 0 deletions

diff --git a/pkgs/by-name/ba/back/src/error/mod.rs b/pkgs/by-name/ba/back/src/error/mod.rs
new file mode 100644
index 0000000..7e1c9cf
--- /dev/null
+++ b/pkgs/by-name/ba/back/src/error/mod.rs
@@ -0,0 +1,56 @@
+use std::{fmt::Display, io, path::PathBuf};
+
+use thiserror::Error;
+
+pub type Result<T> = std::result::Result<T, Error>;
+
+#[derive(Error, Debug)]
+pub enum Error {
+    ConfigParse {
+        file: PathBuf,
+        error: serde_json::Error,
+    },
+    ConfigRead {
+        file: PathBuf,
+        error: io::Error,
+    },
+    RepoOpen {
+        repository_path: PathBuf,
+        error: Box<gix::open::Error>,
+    },
+    RocketLaunch(#[from] rocket::Error),
+}
+
+impl Display for Error {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            Error::ConfigParse { file, error } => {
+                write!(
+                    f,
+                    "while trying to parse the config file ({}): {error}",
+                    file.display()
+                )
+            }
+            Error::ConfigRead { file, error } => {
+                write!(
+                    f,
+                    "while trying to read the config file ({}): {error}",
+                    file.display()
+                )
+            }
+            Error::RepoOpen {
+                repository_path,
+                error,
+            } => {
+                write!(
+                    f,
+                    "while trying to open the repository ({}): {error}",
+                    repository_path.display()
+                )
+            }
+            Error::RocketLaunch(error) => {
+                write!(f, "while trying to start back: {error}")
+            }
+        }
+    }
+}