feat: add customizable page_size to twitter timeline

src/lib.rs

@@ -28,6 +28,7 @@ use tokio::{spawn, sync::Mutex};
 use futures::StreamExt;
 
 const DEFAULT_RATE_LIMIT: usize = 4;
+const DEFAULT_PAGE_SIZE: i32 = 200;
 
 /// This is where the magic happens
 #[tokio::main]
@@ -44,6 +45,11 @@ pub async fn run(config: Config) {
 
     let mut stream = futures::stream::iter(config.mastodon.into_values())
         .map(|mastodon_config| {
+            // calculate Twitter page size
+            let page_size = mastodon_config
+                .twitter_page_size
+                .unwrap_or_else(|| config.twitter.page_size.unwrap_or(DEFAULT_PAGE_SIZE));
+
             // create temporary value for each task
             let scootaloo_cache_path = config.scootaloo.cache_path.clone();
             let token = get_oauth2_token(&config.twitter);
@@ -59,9 +65,13 @@ pub async fn run(config: Config) {
                 drop(lconn);
 
                 // get user timeline feed (Vec<tweet>)
-                let mut feed =
-                    get_user_timeline(&mastodon_config.twitter_screen_name, &token, last_tweet_id)
-                        .await?;
+                let mut feed = get_user_timeline(
+                    &mastodon_config.twitter_screen_name,
+                    &token,
+                    last_tweet_id,
+                    page_size,
+                )
+                .await?;
 
                 // empty feed -> exiting
                 if feed.is_empty() {

src/twitter.rs

@@ -32,10 +32,11 @@ pub async fn get_user_timeline(
     screen_name: &str,
     token: &Token,
     lid: Option<u64>,
+    page_size: i32,
 ) -> Result<Vec<Tweet>, Box<dyn Error>> {
     // fix the page size to 200 as it is the maximum Twitter authorizes
     let (_, feed) = user_timeline(UserID::from(screen_name.to_owned()), true, false, token)
-        .with_page_size(200)
+        .with_page_size(page_size)
         .older(lid)
         .await?;