implementing some downloady stuff

src/dl.rs

@@ -1,12 +1,16 @@
+use std::path::Path;
+
 use self::spawn::SpawnError;
-use self::yt_dlp::YtDlpError;
+use self::yt_dlp::{YtDlp, YtDlpError, YtDlpFormat, YtDlpInfo};
 
 pub mod ffmpeg;
 mod spawn;
 pub mod yt_dlp;
 
 pub enum DownloadError {
-    Message(String)
+    Message(String),
+    NoFormatFound,
+    MakePathError
 }
 
 impl From<SpawnError> for DownloadError {
@@ -21,7 +25,24 @@ impl From<YtDlpError> for DownloadError {
     }
 }
 
+fn make_download_path(info: &YtDlpInfo, format: &YtDlpFormat) -> Option<String> {
+    std::env::temp_dir()
+        .join(format!("{}.{}", info.id, format.ext))
+        .into_os_string()
+        .into_string()
+        .ok()
+}
+
 pub async fn download(url: &str) -> Result<String, DownloadError> {
+    let info = YtDlp::load_info(url).await?;
+    let av = match info.best_av_format() {
+        Some(av) => av,
+        None => return Err(DownloadError::NoFormatFound),
+    };
+    let output_path = match make_download_path(&info, &av) {
+        Some(path) => path,
+        None => return Err(DownloadError::MakePathError)
+    };
 
     todo!()
 }

src/dl/yt_dlp.rs

@@ -1,9 +1,9 @@
 use super::spawn::{spawn, SpawnError};
-use std::fs;
 use core::fmt;
 use ordered_float::OrderedFloat;
 use serde::Deserialize;
 use serde_json;
+use std::fs;
 
 #[derive(Deserialize, Debug)]
 pub struct YtDlpFormat {
@@ -134,7 +134,7 @@ pub enum YtDlpError {
     SpawnError(SpawnError),
     ErrorMessage(String), // keep it separate type if we ever plan to parse yt-dlp errors
     JsonError,
-    NoFilePresent
+    NoFilePresent,
 }
 // ^(?:ERROR: \[.*\] \S* )(.*$) - regex for matching yt-dlp's youtube errors
 
@@ -160,7 +160,7 @@ impl fmt::Display for YtDlpError {
             YTE::SpawnError(e) => write!(f, "{}", e),
             YTE::ErrorMessage(msg) => write!(f, "yt-dlp error - {}", msg),
             YTE::JsonError => write!(f, "json parsing error"),
-            YTE::NoFilePresent => write!(f, "downloaded file doesn't exists")
+            YTE::NoFilePresent => write!(f, "downloaded file doesn't exists"),
         }
     }
 }
@@ -192,7 +192,7 @@ impl YtDlp {
 
         match fs::metadata(output_path) {
             Ok(_) => Ok(()),
-            Err(_) => Err(YtDlpError::NoFilePresent)
+            Err(_) => Err(YtDlpError::NoFilePresent),
         }
     }
 }