feat: add copyprofile subcommand

src/util.rs

@@ -1,5 +1,6 @@
 use crate::{twitter::get_tweet_media, ScootalooError};
 
+use base64::encode;
 use egg_mode::tweet::Tweet;
 use futures::{stream, stream::StreamExt};
 use log::{error, info, warn};
@@ -71,6 +72,27 @@ pub async fn generate_media_ids(
     (media_url, media_ids)
 }
 
+/// Transforms the media into a base64 equivalent
+pub async fn base64_media(u: &str) -> Result<String, Box<dyn Error>> {
+    let mut response = reqwest::get(u).await?;
+
+    let mut buffer = Vec::new();
+
+    while let Some(chunk) = response.chunk().await? {
+        copy(&mut &*chunk, &mut buffer).await?;
+    }
+
+    let content_type = response
+        .headers()
+        .get("content-type")
+        .ok_or_else(|| ScootalooError::new(&format!("Cannot get media content type for {}", u)))?
+        .to_str()?;
+
+    let encoded_f = encode(buffer);
+
+    Ok(format!("data:{};base64,{}", content_type, encoded_f))
+}
+
 /// Gets and caches Twitter Media inside the determined temp dir
 pub async fn cache_media(u: &str, t: &str) -> Result<String, Box<dyn Error>> {
     // create dir
@@ -129,4 +151,17 @@ mod tests {
 
         remove_dir_all(TMP_DIR).unwrap();
     }
+
+    #[tokio::test]
+    async fn test_base64_media() {
+        let img = base64_media(
+            "https://forum.nintendojo.fr/styles/prosilver/theme/images/ndfr_casual.png",
+        )
+        .await
+        .unwrap();
+
+        assert!(img.starts_with("data:image/png;base64,"));
+
+        assert!(img.ends_with("="));
+    }
 }