Some more testing on tweet entities

src/lib.rs

@@ -15,6 +15,7 @@ use egg_mode::{
     Token,
     KeyPair,
     tweet::{
+        Tweet,
         user_timeline,
     },
 };
@@ -38,6 +39,25 @@ fn write_state(f: &str, s: u64) -> Result<(), std::io::Error> {
     write(f, format!("{}", s))
 }
 
+fn get_oauth2_token(config: &Config) -> Token {
+    let con_token = KeyPair::new(String::from(&config.twitter.consumer_key), String::from(&config.twitter.consumer_secret));
+    let access_token = KeyPair::new(String::from(&config.twitter.access_key), String::from(&config.twitter.access_secret));
+
+    Token::Access {
+        consumer: con_token,
+        access: access_token,
+    }
+}
+
+fn get_user_timeline(config: &Config, token: Token, lid: Option<u64>) -> Result<Vec<Tweet>, Box<dyn Error>> {
+    // fix the page size to 200 as it is the maximum Twitter authorizes
+    let (_timeline, feed) = block_on_all(user_timeline(&config.twitter.username, false, false, &token)
+                .with_page_size(200)
+                .older(lid))?;
+
+    Ok(feed.to_vec())
+}
+
 /**********
  * Config structure
 ***********/
@@ -92,26 +112,30 @@ impl Config {
 
 /// This is where the magic happens
 pub fn run(config: Config) {
+    // retrieve the last tweet ID for the username
     let last_tweet_id = read_state(&config.twitter.last_tweet_path);
 
-    let con_token = KeyPair::new(String::from(&config.twitter.consumer_key), String::from(&config.twitter.consumer_secret));
-    let access_token = KeyPair::new(String::from(&config.twitter.access_key), String::from(&config.twitter.access_secret));
+    // get OAuth2 token
+    let token = get_oauth2_token(&config);
 
-    let token = Token::Access {
-        consumer: con_token,
-        access: access_token,
-    };
+    // get user timeline feed (Vec<tweet>)
+    let feed = get_user_timeline(&config, token, last_tweet_id).unwrap_or_else(|e|
+        panic!("Something went wrong when trying to retrieve {}’s timeline: {}", &config.twitter.username, e)
+    );
 
-    let (_timeline, mut feed) = block_on_all(user_timeline(&config.twitter.username, false, false, &token)
-                .with_page_size(200)
-                .older(last_tweet_id)).unwrap();
-
-    for tweet in &feed {
-        println!("{}: <@{}> {}", tweet.id, tweet.user.as_ref().unwrap().screen_name, tweet.text);
+    if feed.len() == 0 {
+        println!("Nothing to retrieve since last time, exiting…");
+        return;
     }
 
+    for tweet in &feed {
+        println!("ID: {}\ttext: {}\tentities: {:#?}\tmedia: {:#?}", tweet.id, tweet.text, tweet.entities, tweet.extended_entities);
+    }
+
+    /*
     write_state(&config.twitter.last_tweet_path, feed[0].id).unwrap_or_else(|e|
         panic!("Can’t write the last tweet retrieved: {}", e)
     );
+    */
 }