Switch to using CustomError because a boxed StdError is not Send.

src/config/full.rs

@@ -3,6 +3,8 @@ use std::path::PathBuf;
 use tokio::fs::File;
 use tokio::io::AsyncWriteExt;
 
+use crate::error::CustomError;
+
 use super::raw::RawConfig;
 
 /// This is the config struct used by most of the code, which is an interpreted version of the RawConfig struct which is the raw disk-representation of the config.
@@ -12,8 +14,8 @@ pub(crate) struct Config {
 }
 
 impl Config {
-    pub(crate) fn new<P: AsRef<Path>>(root_dir: P) -> Result<Config, Box<dyn std::error::Error>> {
-        fn inner(root_dir: &Path) -> Result<Config, Box<dyn std::error::Error>> {
+    pub(crate) fn new<P: AsRef<Path>>(root_dir: P) -> Result<Config, CustomError> {
+        fn inner(root_dir: &Path) -> Result<Config, CustomError> {
             let file_path = root_dir.join("writer.toml");
             Ok(Config {
                 raw: RawConfig::default(),
@@ -23,10 +25,8 @@ impl Config {
         inner(root_dir.as_ref())
     }
 
-    pub(crate) async fn load_from_file<P: Into<PathBuf>>(
-        path: P,
-    ) -> Result<Config, Box<dyn std::error::Error>> {
-        async fn inner(path: PathBuf) -> Result<Config, Box<dyn std::error::Error>> {
+    pub(crate) async fn load_from_file<P: Into<PathBuf>>(path: P) -> Result<Config, CustomError> {
+        async fn inner(path: PathBuf) -> Result<Config, CustomError> {
             let contents = tokio::fs::read_to_string(&path).await?;
             let parsed_contents: RawConfig = toml::from_str(contents.as_str())?;
             Ok(Config {
@@ -37,7 +37,7 @@ impl Config {
         inner(path.into()).await
     }
 
-    pub(crate) async fn write_to_disk(&self) -> Result<(), Box<dyn std::error::Error>> {
+    pub(crate) async fn write_to_disk(&self) -> Result<(), CustomError> {
         let mut config_file = File::create(&self.config_path).await?;
         config_file
             .write_all(toml::to_string(&self.raw)?.as_bytes())
@@ -51,4 +51,8 @@ impl Config {
             .parent()
             .expect("Config file must exist inside a directory.")
     }
+
+    pub(crate) fn get_posts_directory(&self) -> PathBuf {
+        self.get_root_directory().join("posts")
+    }
 }