feat: implemented access token restoring

src/api/mod.rs

@@ -1,4 +1,4 @@
-use anyhow::{Error, Ok, Result};
+use anyhow::{Error, Result};
 use directories::ProjectDirs;
 use reqwest::{Client, StatusCode};
 use serde::{Deserialize, Serialize};
@@ -136,9 +136,29 @@ impl Api {
         }))
     }
 
+    pub async fn from_file() -> Result<Option<Self>> {
+        let project_dirs = match ProjectDirs::from("net", "NerdCult", "ncadmin") {
+            Some(pd) => Ok(pd),
+            None => Err(Error::msg("Failed to get data dir")),
+        }?;
+        let path = project_dirs.data_dir().join("data.json");
+
+        if !path.exists() {
+            return Ok(None);
+        }
+
+        let s = std::fs::read_to_string(&path)?;
+        let deserialized: Self = serde_json::from_str(&s)?;
+
+        match Api::from_token(&deserialized.base_url, deserialized.token).await? {
+            Ok(a) => Ok(Some(a)),
+            Err(_) => Ok(None),
+        }
+    }
+
     pub fn save(&self) -> Result<()> {
         let serialized = serde_json::to_string(&self)?;
-        let project_dirs = match ProjectDirs::from("lol", "NerdCult", "ncadmin") {
+        let project_dirs = match ProjectDirs::from("net", "NerdCult", "ncadmin") {
             Some(pd) => Ok(pd),
             None => Err(Error::msg("Failed to get data dir")),
         }?;

src/main.rs

@@ -17,21 +17,34 @@ struct Args {
     /// An access token for the API
     #[arg(short, long)]
     token: Option<String>,
+
+    /// Skips the check for saved API access data
+    #[arg(short, long)]
+    no_saved_access: bool,
 }
 
 #[tokio::main]
 async fn main() -> Result<()> {
     let args = Args::parse();
-
-    let stdout = ui::prepare()?;
     let base_url = args.base_url.unwrap();
 
-    let api = if let Some(token) = args.token {
+    let stdout = ui::prepare()?;
-        Api::from_token(&base_url, token).await??
+
+    let api = match if let Some(token) = args.token {
+        match Api::from_token(&base_url, token).await? {
+            Ok(a) => Some(a),
+            Err(_) => None,
+        }
+    } else if !args.no_saved_access {
+        Api::from_file().await?
     } else {
+        None
+    } {
+        Some(a) => a,
+        None => {
             let mut login = ui::login::UI::new(stdout, base_url)?;
-        let api = login.run().await?;
+            login.run().await?
-        api
+        }
     };
 
     println!("{:#?}", api);