feat: move media generation list to twitter.rs to avoid clutter

src/twitter.rs

@@ -1,6 +1,8 @@
 use crate::config::TwitterConfig;
 use crate::error::OolatoocsError;
-use log::debug;
+use futures::{stream, StreamExt};
+use log::{debug, error, warn};
+use megalodon::entities::attachment::{Attachment, AttachmentType};
 use oauth1_request::Token;
 use reqwest::{
     multipart::{Form, Part},
@@ -99,8 +101,49 @@ fn get_token(config: &TwitterConfig) -> Token {
     )
 }
 
+pub async fn generate_media_ids(config: &TwitterConfig, media_attach: &[Attachment]) -> Vec<u64> {
+    let mut medias: Vec<u64> = vec![];
+
+    let media_attachments = media_attach.to_owned();
+    let mut stream = stream::iter(media_attachments)
+        .map(|media| {
+            let twitter_config = config.clone();
+            tokio::task::spawn(async move {
+                match media.r#type {
+                    AttachmentType::Image => {
+                        upload_simple_media(&twitter_config, &media.url, &media.description).await
+                    }
+                    AttachmentType::Gifv => {
+                        upload_chunk_media(&twitter_config, &media.url, "tweet_gif").await
+                    }
+                    AttachmentType::Video => {
+                        upload_chunk_media(&twitter_config, &media.url, "tweet_video").await
+                    }
+                    _ => Err::<u64, Box<dyn Error + Send + Sync>>(
+                        OolatoocsError::new(&format!(
+                            "Cannot treat this type of media: {}",
+                            &media.url
+                        ))
+                        .into(),
+                    ),
+                }
+            })
+        })
+        .buffered(4);
+
+    while let Some(result) = stream.next().await {
+        match result {
+            Ok(Ok(v)) => medias.push(v),
+            Ok(Err(e)) => warn!("Cannot treat media: {}", e),
+            Err(e) => error!("Something went wrong when joining the main thread: {}", e),
+        }
+    }
+
+    medias
+}
+
 /// This function uploads simple images from Mastodon to Twitter and returns the media id from Twitter
-pub async fn upload_simple_media(
+async fn upload_simple_media(
     config: &TwitterConfig,
     u: &str,
     d: &Option<String>,
@@ -191,7 +234,7 @@ async fn metadata_create(
 }
 
 /// This posts video/gif to Twitter and returns the media id from Twitter
-pub async fn upload_chunk_media(
+async fn upload_chunk_media(
     config: &TwitterConfig,
     u: &str,
     t: &str,