Add drone-ci

.drone.yml

@@ -0,0 +1,11 @@
+kind: pipeline
+type: kubernetes
+name: default
+
+steps:
+- name: test
+  image: rust:1.47
+  commands:
+  - cargo build --all
+  - cargo test --verbose --all
+

Cargo.toml

@@ -12,4 +12,8 @@ telegram-bot = "0.7.0"
 
 dotenv = "0.15.0"
 tokio = { version="^0.2.0", features=["macros"] }
-futures = "^0.3.5"
+futures = "^0.3.5"
+serde_json = "1.0"
+once_cell = "^1.4.1"
+indexmap = { version="1.6.0", features=["serde-1"] }
+rand = "0.7.3"

Dockerfile

@@ -1,10 +1,21 @@
-FROM rust:1.43 as builder
+FROM rust:1.47 as builder
 
 WORKDIR /usr/src/sarcastifybot
+
+# Avoid having to install/build all dependencies by copying
+# the Cargo files and making a dummy src/main.rs
+COPY Cargo.toml .
+COPY Cargo.lock .
+RUN mkdir -p src && echo "fn main() {}" > src/main.rs
+RUN cargo build --release
+
+# We need to touch our real main.rs file or else docker will use
+# the cached one.
 COPY . .
-RUN cargo install --path .
+RUN touch src/main.rs
+RUN cargo build --release
 
 FROM debian:buster
 RUN apt-get update && apt-get install -y openssl ca-certificates
-COPY --from=builder /usr/local/cargo/bin/sarcastifybot /usr/local/bin/sarcastifybot
+COPY --from=builder /usr/src/sarcastifybot/target/release/sarcastifybot /usr/local/bin/sarcastifybot
 CMD ["sarcastifybot"]

Makefile

@@ -1,7 +1,7 @@
 IMAGE_TAG=harbor.blacknova.io/nvls/sarcastifybot:latest
 
 image:
-	docker build -t $(IMAGE_TAG) .
+	podman build -t $(IMAGE_TAG) .
 
 push:
-	docker push $(IMAGE_TAG)
+	podman push $(IMAGE_TAG)

deployment.yml

@@ -0,0 +1,23 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: sarcastifybot
+  labels:
+    app: sarcastifybot
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: sarcastifybot
+  template:
+    metadata:
+      labels:
+        app: sarcastifybot
+    spec:
+      containers:
+      - name: main
+        image: harbor.blacknova.io/nvls/sarcastifybot:latest
+        imagePullPolicy: Always
+        env:
+        - name: TELEGRAM_BOT_TOKEN
+          value: "924754197:AAGvpdqUY-2pOy1wnQIW2zeS-oA7-lxwfqU"

src/main.rs

@@ -3,11 +3,129 @@ use std::env;
 use dotenv::dotenv;
 use futures::StreamExt;
 use telegram_bot::*;
+use once_cell::sync::Lazy;
+use indexmap::map::IndexMap;
+
+static EMOJI_DATA: Lazy<IndexMap<String, String>> = Lazy::new(|| {
+    let data = include_str!("../assets/emojis.json");
+    serde_json::from_str(data).expect("Failed to parse json emoji data")
+});
+
+/// Returns two versions of AlTeRnAtInG case equivalents of the given message
+/// The first result contains the a version beginning with an uppercase letter,
+/// the second result begins with a lowercase letter.
+///
+/// # Arguments
+///
+/// * `message` - A string slice that contains the message to convert
+fn generate_alternate_case(message: &str) -> (String, String) {
+    let mut option1 = String::new();
+    let mut option2 = String::new();
+
+    let mut stream = message.chars().enumerate();
+    while let Some((idx, letter)) = stream.next() {
+        if idx % 2 == 0 {
+            option1.push(letter.to_uppercase().next().unwrap());
+            option2.push(letter.to_lowercase().next().unwrap());
+        } else {
+            option1.push(letter.to_lowercase().next().unwrap());
+            option2.push(letter.to_uppercase().next().unwrap());
+        }
+    }
+
+    (option1, option2)
+}
+
+/// Generate a spaced-out version of the message.
+///
+/// # Arguments
+///
+/// * `message` - A string slice that contains the message to convert
+fn generate_spaced(message: &str) -> String
+{
+    let mut result = String::new();
+
+    let mut stream = message.chars().enumerate();
+    while let Some((_, letter)) = stream.next() {
+        result.push(letter);
+        result.push(' ');
+    }
+
+    // Trim trailing space
+    result.pop();
+    result
+}
+
+fn generate_emojipasta(message: &str) -> String
+{
+    use rand::seq::SliceRandom;
+    let mut rng = rand::thread_rng();
+    let emojis: Vec<&String> = EMOJI_DATA.values().collect();
+
+    let mut result: Vec<String> = Vec::new();
+    let mut stream = message.split_whitespace().enumerate();
+    while let Some((_, word)) = stream.next() {
+        result.push(word.into());
+
+        // Lowercase word
+        let word: String = word.to_lowercase();
+
+        if let Some(emoji) = EMOJI_DATA.get(&word) {
+            result.push(emoji.to_string());
+        } else if let Some(emoji) = emojis.choose(&mut rng) {
+            result.push(emoji.to_string());
+        }
+    }
+
+    return result.join(" ");
+}
+
+
+fn generate_responses(message: &str) -> Vec<InlineQueryResult> {
+    if message == "" {
+        return vec![];
+    }
+
+    let (alt_up, alt_down) = generate_alternate_case(message);
+    let spaced = generate_spaced(message);
+    let pasta = generate_emojipasta(message);
+
+    vec![
+        InlineQueryResultArticle::new(
+            "altcase_up", alt_up.clone(), InputTextMessageContent {
+                message_text: alt_up,
+                parse_mode: None,
+                disable_web_page_preview: false,
+            }
+        ).into(),
+        InlineQueryResultArticle::new(
+            "altcase_down", alt_down.clone(), InputTextMessageContent {
+                message_text: alt_down,
+                parse_mode: None,
+                disable_web_page_preview: false,
+            }
+        ).into(),
+        InlineQueryResultArticle::new(
+            "spaced", spaced.clone(), InputTextMessageContent {
+                message_text: spaced,
+                parse_mode: None,
+                disable_web_page_preview: false,
+            }
+        ).into(),
+        InlineQueryResultArticle::new(
+            "emojipasta", pasta.clone(), InputTextMessageContent {
+                message_text: pasta,
+                parse_mode: None,
+                disable_web_page_preview: false,
+            }
+        ).into(),
+    ]
+}
 
 #[tokio::main]
 async fn main() {
     dotenv().ok();
-    
+
     let token = env::var("TELEGRAM_BOT_TOKEN").expect("TELEGRAM_BOT_TOKEN not set");
     let api = Api::new(token);
 
@@ -20,42 +138,26 @@ async fn main() {
         };
 
         if let UpdateKind::InlineQuery(query) = update.kind {
-            let mut option1 = String::new();
-            let mut option2 = String::new();
-            if query.query == "" {
-                api.send(query.answer(vec![])).await.ok();
-                continue;
-            }
-
-            {
-                let mut stream = query.query.chars().enumerate();
-                while let Some((idx, letter)) = stream.next() {
-                    if idx % 2 == 0 {
-                        option1.push(letter.to_uppercase().next().unwrap());
-                        option2.push(letter.to_lowercase().next().unwrap());
-                    } else {
-                        option1.push(letter.to_lowercase().next().unwrap());
-                        option2.push(letter.to_uppercase().next().unwrap());
-                    }
-                }
-            }
-
-            api.send(query.answer(vec![
-                InlineQueryResultArticle::new(
-                    "1", option1.clone(), InputTextMessageContent {
-                        message_text: option1,
-                        parse_mode: None,
-                        disable_web_page_preview: false,
-                    }
-                ).into(),
-                InlineQueryResultArticle::new(
-                    "2", option2.clone(), InputTextMessageContent {
-                        message_text: option2,
-                        parse_mode: None,
-                        disable_web_page_preview: false,
-                    }
-                ).into(),
-            ])).await.ok();
+            let responses = generate_responses(&query.query);
+            api.send(query.answer(responses)).await.ok();
         }
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_alternating() {
+        let (option1, option2) = generate_alternate_case("This is a test");
+        assert_eq!(option1, "ThIs iS A TeSt");
+        assert_eq!(option2, "tHiS Is a tEsT");
+    }
+
+    #[test]
+    fn test_spaced() {
+        let option = generate_spaced("This is a test");
+        assert_eq!(option, "T h i s   i s   a   t e s t")
+    }
+}