Allow deck names to be specified in the Telegram bot

src/telegram/display.rs

@@ -153,10 +153,10 @@ fn display_levelup(levelup: &String) -> String {
     }
 }
 
-/// Render a [Deck] in [Telegram Bot HTML].
+/// Render a [Deck] in [Telegram Bot HTML], with an optional `name`.
 ///
 /// [Telegram Bot HTML]: https://core.telegram.org/bots/api#html-style
-pub fn display_deck(index: &CardIndex, deck: &Deck, code: String) -> String {
+pub fn display_deck(index: &CardIndex, deck: &Deck, code: &str, name: &Option<&str>) -> String {
     // TODO: optimize this
     let cards = deck
         .contents
@@ -182,5 +182,8 @@ pub fn display_deck(index: &CardIndex, deck: &Deck, code: String) -> String {
         })
         .join("\n");
 
-    format!("<code>{}</code>\n\n{}", &code, &cards)
+    match name {
+        Some(name) => format!("<b>{}</b>\n<code>{}</code>\n\n{}", &name, &code, &cards),
+        None => format!("<code>{}</code>\n\n{}", &code, &cards),
+    }
 }

src/telegram/handler.rs

@@ -10,6 +10,8 @@ use teloxide::payloads::{AnswerInlineQuery, SendMessage};
 use teloxide::prelude::*;
 use teloxide::requests::{JsonRequest, ResponseResult};
 use teloxide::types::{ParseMode, Recipient};
+use lazy_static::lazy_static;
+use regex::Regex;
 
 /// Handle inline queries by searching cards on the [CardSearchEngine].
 pub fn inline_query_handler(
@@ -33,17 +35,28 @@ pub fn inline_query_handler(
                 };
             }
 
-            if let Ok(deck) = Deck::from_code(&query.query.to_ascii_uppercase()) {
+            lazy_static! {
-                debug!("Parsed deck successfully!");
+                static ref DECK_RE: Regex = Regex::new(r#"^(?P<code>[ABCDEFGHIJKLMNOPQRSTUVWXYZ234567]+)(?:\s+(?P<name>.+?))?\s*$"#).unwrap();
-                break AnswerInlineQuery {
+            }
-                    inline_query_id: query.id.clone(),
+            
-                    results: vec![deck_to_inlinequeryresult(&engine.cards, &deck)],
+            if let Some(deck_captures) = DECK_RE.captures(&query.query) {
-                    cache_time: None,
+                if let Some(deck_code) = deck_captures.name("code") {
-                    is_personal: Some(false),
+                    if let Ok(deck) = Deck::from_code(&deck_code.as_str()) {
-                    next_offset: None,
+                        
-                    switch_pm_text: None,
+                        debug!("Parsed deck successfully!");
-                    switch_pm_parameter: None,
+                        let name = deck_captures.name("name").map(|m| m.as_str());
-                };
+
+                        break AnswerInlineQuery {
+                            inline_query_id: query.id.clone(),
+                            results: vec![deck_to_inlinequeryresult(&engine.cards, &deck, &name)],
+                            cache_time: None,
+                            is_personal: Some(false),
+                            next_offset: None,
+                            switch_pm_text: None,
+                            switch_pm_parameter: None,
+                        };
+                    }
+                }
             }
 
             debug!("Querying the card search engine...");

src/telegram/inline.rs

@@ -43,17 +43,20 @@ pub fn card_to_inlinequeryresult(
     })
 }
 
-/// Convert a [Deck] into a [InlineQueryResult].
+/// Convert a [Deck] with an optional name into a [InlineQueryResult].
-pub fn deck_to_inlinequeryresult(index: &CardIndex, deck: &Deck) -> InlineQueryResult {
+pub fn deck_to_inlinequeryresult(index: &CardIndex, deck: &Deck, name: &Option<&str>) -> InlineQueryResult {
     let code = deck
         .to_code(DeckCodeFormat::F1)
         .expect("serialized deck to deserialize properly");
 
     InlineQueryResult::Article(InlineQueryResultArticle {
         id: format!("{:x}", md5::compute(&code)),
-        title: format!("Deck with {} cards", deck.contents.len()),
+        title: match &name {
+            Some(name) => format!(r#"Deck "{}" with {} cards"#, name, deck.contents.len()),
+            None => format!("Deck with {} cards", deck.contents.len())
+        },
         input_message_content: InputMessageContent::Text(InputMessageContentText {
-            message_text: display_deck(index, deck, code),
+            message_text: display_deck(index, deck, &code, &name),
             parse_mode: Some(ParseMode::Html),
             entities: None,
             disable_web_page_preview: Some(true),