Start work on Telegram card searching

Cargo.lock

@@ -1032,7 +1032,7 @@ dependencies = [
 
 [[package]]
 name = "patched-porobot"
-version = "0.1.0"
+version = "0.2.0"
 dependencies = [
  "glob",
  "itertools 0.10.3",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "patched-porobot"
-version = "0.1.0"
+version = "0.2.0"
 authors = ["Stefano Pigozzi <me@steffo.eu>"]
 edition = "2021"
 description = "Legends of Runeterra card database utilities and bots"
@@ -34,3 +34,11 @@ search = ["tantivy"]
 telegram = ["search", "teloxide", "reqwest", "tokio"]
 # discord = ["search"]
 # matrix = ["search"]
+
+[lib]
+name = "patched_porobot"
+path = "src/lib.rs"
+
+[[bin]]
+name = "patched_porobot_telegram"
+path = "src/telegram/bin.rs"

src/lib.rs

@@ -3,3 +3,6 @@ pub mod load;
 
 #[cfg(feature = "search")]
 pub mod search;
+
+#[cfg(feature = "telegram")]
+pub mod telegram;

src/search/botindex.rs

@@ -0,0 +1,30 @@
+//! This module provides functions to manage [tantivy] [Index]es for internal bot usage.
+
+use tantivy::{Index, IndexReader, IndexWriter, LeasedItem, ReloadPolicy, Searcher};
+use crate::search::card::card_schema;
+
+
+/// Build a new [Index] for [crate::schena::setbundle::Card] documents, based on [card_schema].
+pub fn card_index() -> Index {
+    Index::create_in_ram(
+        card_schema()
+    )
+}
+
+
+/// Build a [IndexWriter] with the optimal configuration for [crate::schena::setbundle::Card] documents.
+pub fn card_writer(index: &Index) -> IndexWriter {
+    index
+        .writer(4_000_000)
+        .expect("to be able to allocate 4 MB for a IndexWriter")
+}
+
+
+/// Build a [IndexReader] with the optimal configuration for [crate::schena::setbundle::Card] documents.
+pub fn card_reader(index: &Index) -> IndexReader {
+    index
+        .reader_builder()
+        .reload_policy(ReloadPolicy::Manual)
+        .try_into()
+        .expect("to be able to create a IndexReader")
+}

src/search/botsearch.rs

@@ -0,0 +1,86 @@
+//! This module provides functions to perform queries for internal bot usage.
+
+
+use tantivy::{Index, IndexReader, TantivyError};
+use tantivy::collector::TopDocs;
+use tantivy::query::{QueryParser, QueryParserError};
+use tantivy::schema::Schema;
+use itertools::Itertools;
+use crate::search::botsearch::QueryError::Parsing;
+
+
+pub fn card_query_parser(index: &Index) -> QueryParser {
+    let schema = index.schema();
+
+    let f_code = schema.get_field("code").expect("schema to have a 'code' field");
+    let f_name = schema.get_field("name").expect("schema to have a 'name' field");
+    let f_type = schema.get_field("type").expect("schema to have a 'type' field");
+    let f_set = schema.get_field("set").expect("schema to have a 'set' field");
+    let f_rarity = schema.get_field("rarity").expect("schema to have a 'rarity' field");
+    let f_collectible = schema.get_field("collectible").expect("schema to have a 'collectible' field");
+    let f_regions = schema.get_field("regions").expect("schema to have a 'regions' field");
+    let f_attack = schema.get_field("attack").expect("schema to have a 'attack' field");
+    let f_cost = schema.get_field("cost").expect("schema to have a 'cost' field");
+    let f_health = schema.get_field("health").expect("schema to have a 'health' field");
+    let f_spellspeed = schema.get_field("spellspeed").expect("schema to have a 'spellspeed' field");
+    let f_keywords = schema.get_field("keywords").expect("schema to have a 'keywords' field");
+    let f_description = schema.get_field("description").expect("schema to have a 'description' field");
+    let f_levelup = schema.get_field("levelup").expect("schema to have a 'levelup' field");
+    let f_associated = schema.get_field("associated").expect("schema to have a 'associated' field");
+    let f_flavor = schema.get_field("flavor").expect("schema to have a 'flavor' field");
+    let f_artist = schema.get_field("artist").expect("schema to have a 'artist' field");
+    let f_subtypes = schema.get_field("subtypes").expect("schema to have a 'subtypes' field");
+    let f_supertype = schema.get_field("supertype").expect("schema to have a 'supertype' field");
+
+    QueryParser::for_index(
+        &index,
+        vec![
+            f_code,
+            f_name,
+            f_type,
+            f_set,
+            f_rarity,
+            f_collectible,
+            f_regions,
+            f_attack,
+            f_cost,
+            f_health,
+            f_spellspeed,
+            f_keywords,
+            f_description,
+            f_levelup,
+            f_associated,
+            f_flavor,
+            f_artist,
+            f_subtypes,
+            f_supertype,
+        ]
+    )
+}
+
+
+pub enum QueryError {
+    Parsing(QueryParserError),
+    Search(TantivyError),
+}
+
+
+pub fn card_query(schema: &Schema, reader: &IndexReader, parser: &QueryParser, query: &str, amount: usize) -> Result<Vec<String>, QueryError> {
+    log::debug!("Searching for `{}`...", &query);
+
+    let searcher = reader.searcher();
+    let query = parser.parse_query(query)
+        .map_err(QueryError::Parsing)?;
+    let search = searcher.search(&*query, &TopDocs::with_limit(amount))
+        .map_err(QueryError::Search)?;
+
+    let f_code = schema.get_field("code").expect("schema to have a 'code' field");
+
+    let results = search.iter()
+        .filter_map(|(_score, address)| searcher.doc(address.to_owned()).ok())
+        .filter_map(|doc| doc.get_first(f_code).cloned())
+        .filter_map(|field| field.as_text().map(String::from))
+        .collect_vec();
+
+    Ok(results)
+}

src/search/card.rs

@@ -26,12 +26,12 @@ pub fn cardcode_options() -> tantivy::schema::TextOptions {
 
 
 /// Create a new [tantivy::schema::TextOptions] for card keywords, using the given tokenizer.
-pub fn cardkeyword_options(tokenizer_name: &'static str) -> tantivy::schema::TextOptions {
+pub fn cardkeyword_options() -> tantivy::schema::TextOptions {
     use tantivy::schema::*;
 
     TextOptions::default()
         .set_indexing_options(TextFieldIndexing::default()
-            .set_tokenizer(tokenizer_name)
+            .set_tokenizer("card")
             .set_fieldnorms(false)
             .set_index_option(IndexRecordOption::Basic)
         )
@@ -39,12 +39,12 @@ pub fn cardkeyword_options(tokenizer_name: &'static str) -> tantivy::schema::Tex
 
 
 /// Create a new [tantivy::schema::TextOptions] for card text fields, using the given tokenizer.
-pub fn cardtext_options(tokenizer_name: &'static str) -> tantivy::schema::TextOptions {
+pub fn cardtext_options() -> tantivy::schema::TextOptions {
     use tantivy::schema::*;
 
     TextOptions::default()
         .set_indexing_options(TextFieldIndexing::default()
-            .set_tokenizer(tokenizer_name)
+            .set_tokenizer("card")
             .set_fieldnorms(true)
             .set_index_option(IndexRecordOption::WithFreqsAndPositions)
         )
@@ -52,14 +52,14 @@ pub fn cardtext_options(tokenizer_name: &'static str) -> tantivy::schema::TextOp
 
 
 /// Create a new [tantivy::schema::Schema] using [Card]s as documents.
-pub fn card_schema(tokenizer_name: &'static str) -> tantivy::schema::Schema {
+pub fn card_schema() -> tantivy::schema::Schema {
     use tantivy::schema::*;
 
     let mut schema_builder = Schema::builder();
 
     let cardcode: TextOptions = cardcode_options();
-    let cardkeyword: TextOptions = cardkeyword_options(tokenizer_name);
+    let cardkeyword: TextOptions = cardkeyword_options();
-    let cardtext: TextOptions = cardtext_options(tokenizer_name);
+    let cardtext: TextOptions = cardtext_options();
 
     schema_builder.add_text_field("code", cardcode);
     schema_builder.add_text_field("name", cardtext.clone());

src/search/mod.rs

@@ -1,3 +1,5 @@
 //! This module implements full-text search on Legends of Runeterra data.
 
 pub mod card;
+pub(crate) mod botindex;
+pub(crate) mod botsearch;

src/telegram/bin.rs

@@ -0,0 +1,3 @@
+fn main() {
+
+}

src/telegram/display.rs

@@ -0,0 +1,82 @@
+//! This module defines functions to convert [patched-porobot] structs to [String]s formatted with [Telegram Bot HTML](https://core.telegram.org/bots/api#html-style).
+//!
+//! TODO: Add support for non-latin languages.
+//!
+//! TODO: Preferably refactor everything in here, as the code is poor quality.
+
+use std::collections::HashMap;
+use itertools::Itertools;
+use teloxide::utils::html::escape;
+use crate::load::corebundle::MappedGlobals;
+use crate::schema::corebundle::{CoreRegion, CoreSet};
+use crate::schema::setbundle::{Card, CardRegion, CardSet, CardType};
+
+
+/// Render a [Card] to a [String] formatted with [Telegram Bot HTML](https://core.telegram.org/bots/api#html-style).
+pub fn display_card(card: &Card, mg: &MappedGlobals) -> String {
+    let title = format!(r#"<a href="{}"><b><i>{}</b></i></a>"#, &card.main_art().card_png, escape(&card.name));
+
+    let stats = match &card.r#type {
+        CardType::Spell => format!("{} mana", escape(&card.cost.to_string())),
+        CardType::Unit => format!("{} mana {}|{}", escape(&card.cost.to_string()), escape(&card.attack.to_string()), escape(&card.health.to_string())),
+        CardType::Ability => "".to_string(),
+        CardType::Landmark => format!("{} mana", &card.cost),
+        CardType::Trap => "".to_string(),
+        CardType::Unsupported => "".to_string(),
+    };
+
+    let set = format!("<i>{}</i>", escape(&display_set(card.set, &mg.sets)));
+    let regions = format!("<i>{}</i>", escape(&display_regions(&card.regions, &mg.regions)));
+    let r#type = format!("<i>{}</i>", escape(&display_type(card.r#type)));
+
+    let breadcrumbs = format!("{} › {} › {}", &set, &regions, &r#type);
+
+    let description = card.localized_description_text.clone();
+    let flavor = format!("<i>{}</i>", &card.localized_flavor_text);
+    let artist = format!(r#"<a href="{}">Art by {}</a>"#, &card.main_art().full_png, &card.artist_name);
+
+    format!(
+        "{title} {stats}\n{breadcrumbs}\n\n{description}\n\n-----\n{flavor}\n\n{artist}",
+        title=title,
+        stats=stats,
+        breadcrumbs=breadcrumbs,
+        description=description,
+        flavor=flavor,
+        artist=artist,
+    )
+}
+
+
+/// Render a [CardSet] to a [String].
+fn display_set(set: CardSet, hm: &HashMap<CardSet, CoreSet>) -> String {
+    set
+        .localized(&hm)
+        .map(|o| o.name.clone())
+        .unwrap_or_else(|| "Unknown".to_string())
+}
+
+
+/// Render a slice of [CardRegion]s to a [String].
+fn display_regions(regions: &[CardRegion], hm: &HashMap<CardRegion, CoreRegion>) -> String {
+    regions
+        .iter()
+        .map(|region| region
+            .localized(&hm)
+            .map(|o| o.name.clone())
+            .unwrap_or_else(|| "Unknown".to_string())
+        )
+        .join(", ")
+}
+
+
+/// Render a [CardType] to a [String].
+fn display_type(r#type: CardType) -> String {
+    match r#type {
+        CardType::Spell => "Spell",
+        CardType::Unit => "Unit",
+        CardType::Ability => "Ability",
+        CardType::Landmark => "Landmark",
+        CardType::Trap => "Trap",
+        CardType::Unsupported => "Unknown",
+    }.to_string()
+}

src/telegram/mod.rs

@@ -0,0 +1,2 @@
+pub(crate) mod display;
+mod bin;