feat: super simple but working implementation

Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "mastobot"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+elefren = "0.22"
+ureq = { version = "2", features = ["json"] }

src/main.rs

@@ -0,0 +1,61 @@
+use elefren::{helpers::cli, prelude::*, entities::{prelude::Event, notification::NotificationType}, status_builder::Visibility};
+use ureq::serde_json::Value;
+
+fn fact() -> Result<String, ureq::Error> {
+	if let Some(v) = ureq::get("https://uselessfacts.jsph.pl/random.json?language=en")
+			.call()?
+			.into_json::<Value>()?
+			.get("text") { Ok(v.as_str().unwrap().to_string()) }
+	else { Ok("".to_string()) }
+}
+
+fn main() {
+	let registration = Registration::new("https://social.alemi.dev")
+		.client_name("elefren_test")
+		.scopes(Scopes::all()) // TODO only get necessary ones
+		.build().unwrap();
+	let mastodon = cli::authenticate(registration).unwrap();
+
+	for event in mastodon.streaming_user().unwrap() {
+		match event {
+			Event::Notification(ref notification) => {
+				match notification.notification_type {
+					NotificationType::Mention => {
+						if let Some(status) = &notification.status {
+							if status.content.contains("fact") {
+								let dm = if status.content.contains("private") { true } else { false };
+								let f = match fact() {
+									Ok(t) => t,
+									Err(e) => format!("Error getting random fact: {:?}", e),
+								};
+								let text = if dm {
+									format!("@{} {}", notification.account.acct, f)
+								} else { f };
+								let s = StatusBuilder::new()
+									.status(text)
+									.visibility(if dm { Visibility::Direct } else { Visibility::Public })
+									.in_reply_to(&status.id)
+									.build().unwrap();
+								if let Err(e) = mastodon.new_status(s) {
+									println!("ERROR answering: {:?}", e);
+								}
+							}
+						}
+					},
+					NotificationType::Reblog => {
+						println!("{} boosted!", notification.account.acct);
+					},
+					NotificationType::Favourite => {
+						println!("{} favourited!", notification.account.acct);
+					},
+					NotificationType::Follow => {
+						println!("{} followed!", notification.account.acct);
+					},
+				}
+			},
+			Event::Update(ref _status) => { },
+			Event::Delete(ref _id) => { },
+			Event::FiltersChanged => { },
+		}
+	}
+}