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Refactor search::cardsearch module
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1 changed files with 341 additions and 250 deletions
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@ -1,281 +1,372 @@
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//! This module configures [tantivy] structs for [Card] search.
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//! This module defines a [tantivy] search engine to find [Card]s.
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use tantivy::{Document, Index, IndexReader, IndexWriter, TantivyError};
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use tantivy::{Document, Index, IndexReader, IndexWriter};
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use tantivy::collector::TopDocs;
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use tantivy::query::{QueryParser, QueryParserError};
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use tantivy::schema::{Schema, TextOptions};
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use tantivy::schema::{Field, NumericOptions, Schema, TextOptions};
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use tantivy::tokenizer::TextAnalyzer;
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use itertools::Itertools;
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use crate::data::corebundle::globals::LocalizedGlobalsIndexes;
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use crate::data::setbundle::r#type::CardType;
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use crate::data::setbundle::card::Card;
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use crate::data::setbundle::card::{Card, CardIndex};
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/// Create a new [tantivy::tokenizer::TextAnalyzer] for card text.
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/// The search engine.
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///
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/// It should not alter text significantly, as it may contain important game vocabulary terms.
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pub fn card_tokenizer() -> TextAnalyzer {
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use tantivy::tokenizer::*;
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/// To create a new engine, use [CardSearchEngine::new].
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///
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/// A separate search engine should be created for every locale.
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pub struct CardSearchEngine {
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/// The index of the search engine.
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index: Index,
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TextAnalyzer::from(SimpleTokenizer)
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.filter(LowerCaser)
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/// Struct to read documents from the search engine.
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reader: IndexReader,
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/// Struct to parse queries input by the user.
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parser: QueryParser,
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/// Localization of game globals used by the search engine.
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pub globals: LocalizedGlobalsIndexes,
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/// Cards searchable in the search engine.
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pub cards: CardIndex
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}
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/// Create a new [tantivy::schema::TextOptions] for card codes, skipping tokenization.
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pub fn cardcode_options() -> TextOptions {
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use tantivy::schema::*;
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impl CardSearchEngine {
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/// Create the [tantivy::tokenizer::TextAnalyzer] for card text.
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///
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/// It should not alter text significantly, as it may contain important game vocabulary terms.
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fn tokenizer() -> TextAnalyzer {
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use tantivy::tokenizer::*;
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TextOptions::default()
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.set_stored()
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.set_fast()
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}
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TextAnalyzer::from(SimpleTokenizer)
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.filter(LowerCaser)
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}
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/// Create the [tantivy::schema::TextOptions] for card codes.
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///
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/// Card codes should:
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/// - never be tokenized;
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/// - be retrievable (what [tantivy] calls "stored").
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fn options_code() -> TextOptions {
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use tantivy::schema::*;
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/// Create a new [tantivy::schema::TextOptions] for card keywords, using the given tokenizer.
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pub fn cardkeyword_options() -> TextOptions {
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use tantivy::schema::*;
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TextOptions::default()
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.set_stored()
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.set_fast()
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}
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TextOptions::default()
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.set_indexing_options(TextFieldIndexing::default()
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.set_tokenizer("card")
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.set_fieldnorms(false)
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.set_index_option(IndexRecordOption::Basic)
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/// Create the [tantivy::schema::TextOptions] for card keywords.
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///
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/// Card keywords should:
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/// - be tokenized with the [CardSearchEngine::tokenizer];
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/// - ignore positioning.
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fn options_keyword() -> TextOptions {
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use tantivy::schema::*;
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TextOptions::default()
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.set_indexing_options(TextFieldIndexing::default()
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.set_tokenizer("card")
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.set_index_option(IndexRecordOption::Basic)
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)
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}
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/// Create the [tantivy::schema::TextOptions] for card text fields.
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///
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/// Card text should:
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/// - TODO: be tokenized with the tokenizer for the locale language;
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/// - consider both frequency and positioning.
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fn options_text() -> TextOptions {
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use tantivy::schema::*;
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TextOptions::default()
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.set_indexing_options(TextFieldIndexing::default()
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.set_tokenizer("card")
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.set_index_option(IndexRecordOption::WithFreqsAndPositions)
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)
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}
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/// Create the [tantivy::schema::NumericOptions] for card numeric fields.
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///
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/// Card numbers should:
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/// - be indexed.
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fn options_number() -> NumericOptions {
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use tantivy::schema::*;
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NumericOptions::default()
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.set_indexed()
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}
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/// Create the [Schema] for the search engine.
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///
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/// It will contain [Field]s with the following names:
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///
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/// | Name | Type |
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/// |---------------|----------------------------------|
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/// | `code` | [code](Self::options_code) |
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/// | `name` | [text](Self::options_text) |
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/// | `type` | [keyword](Self::options_keyword) |
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/// | `set` | [keyword](Self::options_keyword) |
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/// | `rarity` | [keyword](Self::options_keyword) |
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/// | `collectible` | [number](Self::options_number) |
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/// | `regions` | [keyword](Self::options_keyword) |
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/// | `attack` | [number](Self::options_number) |
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/// | `cost` | [number](Self::options_number) |
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/// | `health` | [number](Self::options_number) |
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/// | `spellspeed` | [keyword](Self::options_keyword) |
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/// | `keywords` | [keyword](Self::options_keyword) |
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/// | `description` | [text](Self::options_text) |
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/// | `levelup` | [text](Self::options_text) |
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/// | `flavor` | [text](Self::options_text) |
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/// | `artist` | [text](Self::options_text) |
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///
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/// Use [Self::schema_fields] to create the [CardSchemaFields] object containing all of them.
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///
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fn schema() -> Schema {
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use tantivy::schema::*;
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let mut schema_builder = Schema::builder();
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let options_code = Self::options_code();
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let options_keyword = Self::options_keyword();
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let options_text = Self::options_text();
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let options_number = Self::options_number();
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schema_builder.add_text_field("code", options_code);
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schema_builder.add_text_field("name", options_text.clone());
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schema_builder.add_text_field("type", options_keyword.clone());
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schema_builder.add_text_field("set", options_keyword.clone());
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schema_builder.add_text_field("rarity", options_keyword.clone());
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schema_builder.add_u64_field("collectible", options_number.clone());
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schema_builder.add_text_field("regions", options_keyword.clone());
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schema_builder.add_u64_field("attack", options_number.clone());
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schema_builder.add_u64_field("cost", options_number.clone());
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schema_builder.add_u64_field("health", options_number);
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schema_builder.add_text_field("spellspeed", options_keyword.clone());
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schema_builder.add_text_field("keywords", options_keyword.clone());
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schema_builder.add_text_field("description", options_text.clone());
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schema_builder.add_text_field("levelup", options_text.clone());
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schema_builder.add_text_field("flavor", options_text.clone());
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schema_builder.add_text_field("artist", options_text);
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schema_builder.add_text_field("subtypes", options_keyword.clone());
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schema_builder.add_text_field("supertype", options_keyword);
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schema_builder.build()
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}
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/// Create a [CardSchemaFields] object from the given schema.
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fn schema_fields(schema: &Schema) -> CardSchemaFields {
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CardSchemaFields {
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code: schema.get_field("code").expect("schema to have a 'code' field"),
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name: schema.get_field("name").expect("schema to have a 'name' field"),
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r#type: schema.get_field("type").expect("schema to have a 'type' field"),
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set: schema.get_field("set").expect("schema to have a 'set' field"),
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rarity: schema.get_field("rarity").expect("schema to have a 'rarity' field"),
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collectible: schema.get_field("collectible").expect("schema to have a 'collectible' field"),
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regions: schema.get_field("regions").expect("schema to have a 'regions' field"),
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attack: schema.get_field("attack").expect("schema to have a 'attack' field"),
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cost: schema.get_field("cost").expect("schema to have a 'cost' field"),
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health: schema.get_field("health").expect("schema to have a 'health' field"),
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spellspeed: schema.get_field("spellspeed").expect("schema to have a 'spellspeed' field"),
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keywords: schema.get_field("keywords").expect("schema to have a 'keywords' field"),
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description: schema.get_field("description").expect("schema to have a 'description' field"),
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levelup: schema.get_field("levelup").expect("schema to have a 'levelup' field"),
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flavor: schema.get_field("flavor").expect("schema to have a 'flavor' field"),
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artist: schema.get_field("artist").expect("schema to have a 'artist' field"),
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subtypes: schema.get_field("subtypes").expect("schema to have a 'subtypes' field"),
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supertype: schema.get_field("supertype").expect("schema to have a 'supertype' field"),
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}
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}
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/// Build [in RAM](Index::create_in_ram) the [Index] of the search engine.
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fn index() -> Index {
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Index::create_in_ram(
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Self::schema()
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)
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}
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}
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/// Build a [IndexWriter] with the optimal configuration for the search engine.
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///
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/// Uses 12 MB of RAM; do not lower below 3 MB, or it will panic!
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fn writer(index: &Index) -> IndexWriter {
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index
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.writer(12_000_000)
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.expect("to be able to create a IndexWriter")
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}
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/// Create a new [tantivy::schema::TextOptions] for card text fields, using the given tokenizer.
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pub fn cardtext_options() -> TextOptions {
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use tantivy::schema::*;
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/// Build a [IndexReader] with the optimal configuration for the search engine.
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fn reader(index: &Index) -> IndexReader {
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index
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.reader_builder()
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.reload_policy(tantivy::ReloadPolicy::Manual)
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.try_into()
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.expect("to be able to create a IndexReader")
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}
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TextOptions::default()
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.set_indexing_options(TextFieldIndexing::default()
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.set_tokenizer("card")
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.set_fieldnorms(true)
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.set_index_option(IndexRecordOption::WithFreqsAndPositions)
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)
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}
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/// Create a [Document] from a [Card].
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fn document(fields: &CardSchemaFields, globals: &LocalizedGlobalsIndexes, card: Card) -> Document {
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use tantivy::doc;
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/// Create a new [tantivy::schema::Schema] using [Card]s as documents.
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pub fn card_schema() -> Schema {
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use tantivy::schema::*;
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let mut schema_builder = Schema::builder();
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let cardcode: TextOptions = cardcode_options();
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let cardkeyword: TextOptions = cardkeyword_options();
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let cardtext: TextOptions = cardtext_options();
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schema_builder.add_text_field("code", cardcode);
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schema_builder.add_text_field("name", cardtext.clone());
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schema_builder.add_text_field("type", cardkeyword.clone());
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schema_builder.add_text_field("set", cardkeyword.clone());
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schema_builder.add_text_field("rarity", cardkeyword.clone());
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schema_builder.add_u64_field("collectible", INDEXED);
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schema_builder.add_text_field("regions", cardkeyword.clone());
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schema_builder.add_u64_field("attack", INDEXED);
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schema_builder.add_u64_field("cost", INDEXED);
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schema_builder.add_u64_field("health", INDEXED);
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schema_builder.add_text_field("spellspeed", cardkeyword.clone());
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schema_builder.add_text_field("keywords", cardkeyword.clone());
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schema_builder.add_text_field("description", cardtext.clone());
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schema_builder.add_text_field("levelup", cardtext.clone());
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schema_builder.add_text_field("associated", cardtext.clone());
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schema_builder.add_text_field("flavor", cardtext.clone());
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schema_builder.add_text_field("artist", cardtext);
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schema_builder.add_text_field("subtypes", cardkeyword.clone());
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schema_builder.add_text_field("supertype", cardkeyword);
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schema_builder.build()
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}
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/// Create a new [tantivy::Document] using a [Card] in a specific [locale](MappedGlobals] as base.
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pub fn card_to_document(schema: &Schema, globals: &LocalizedGlobalsIndexes, card: Card) -> Document {
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use tantivy::*;
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let f_code = schema.get_field("code").expect("schema to have a 'code' field");
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let f_name = schema.get_field("name").expect("schema to have a 'name' field");
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let f_type = schema.get_field("type").expect("schema to have a 'type' field");
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let f_set = schema.get_field("set").expect("schema to have a 'set' field");
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let f_rarity = schema.get_field("rarity").expect("schema to have a 'rarity' field");
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let f_collectible = schema.get_field("collectible").expect("schema to have a 'collectible' field");
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let f_regions = schema.get_field("regions").expect("schema to have a 'regions' field");
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let f_attack = schema.get_field("attack").expect("schema to have a 'attack' field");
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let f_cost = schema.get_field("cost").expect("schema to have a 'cost' field");
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let f_health = schema.get_field("health").expect("schema to have a 'health' field");
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let f_spellspeed = schema.get_field("spellspeed").expect("schema to have a 'spellspeed' field");
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let f_keywords = schema.get_field("keywords").expect("schema to have a 'keywords' field");
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let f_description = schema.get_field("description").expect("schema to have a 'description' field");
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let f_levelup = schema.get_field("levelup").expect("schema to have a 'levelup' field");
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let f_associated = schema.get_field("associated").expect("schema to have a 'associated' field");
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let f_flavor = schema.get_field("flavor").expect("schema to have a 'flavor' field");
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let f_artist = schema.get_field("artist").expect("schema to have a 'artist' field");
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let f_subtypes = schema.get_field("subtypes").expect("schema to have a 'subtypes' field");
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let f_supertype = schema.get_field("supertype").expect("schema to have a 'supertype' field");
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let c_type = match card.r#type {
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CardType::Spell => "Spell",
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CardType::Unit => "Unit",
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CardType::Ability => "Ability",
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CardType::Landmark => "Landmark",
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CardType::Trap => "Trap",
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CardType::Unsupported => "Unknown",
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};
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doc!(
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f_code => card.code,
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f_name => card.name,
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f_type => c_type,
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f_set => card.set
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.localized(&globals.sets)
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.map(|cs| cs.name.to_owned())
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.unwrap_or_else(String::new),
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f_rarity => card.rarity
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.localized(&globals.rarities)
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.map(|cr| cr.name.to_owned())
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.unwrap_or_else(String::new),
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f_collectible => if card.collectible {1u64} else {0u64},
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f_regions => card.regions.iter()
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.map(|region| region
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.localized(&globals.regions)
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doc!(
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fields.code => card.code,
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fields.name => card.name,
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fields.r#type => String::from(card.r#type),
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fields.set => card.set
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.localized(&globals.sets)
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.map(|cs| cs.name.to_owned())
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.unwrap_or_else(String::new),
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fields.rarity => card.rarity
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.localized(&globals.rarities)
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.map(|cr| cr.name.to_owned())
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.unwrap_or_else(String::new)
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).join(" "),
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f_attack => card.attack,
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f_cost => card.cost,
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f_health => card.health,
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f_spellspeed => card.spell_speed
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.localized(&globals.spell_speeds)
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.map(|ss| ss.name.to_owned())
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.unwrap_or_else(String::new),
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f_keywords => card.keywords.iter()
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.map(|keyword| keyword
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.localized(&globals.keywords)
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.map(|ck| ck.name.to_owned())
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.unwrap_or_else(String::new))
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.join(" "),
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f_description => card.localized_description_text,
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f_levelup => card.localized_levelup_text,
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f_associated => card.associated_card_codes.join(" "),
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f_flavor => card.localized_flavor_text,
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f_artist => card.artist_name,
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f_subtypes => card.subtypes.join(" "),
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f_supertype => card.supertype,
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)
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.unwrap_or_else(String::new),
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fields.collectible => if card.collectible {1u64} else {0u64},
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fields.regions => card.regions.iter()
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.map(|region| region
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.localized(&globals.regions)
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.map(|cr| cr.name.to_owned())
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.unwrap_or_else(String::new)
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).join(" "),
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fields.attack => card.attack,
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fields.cost => card.cost,
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fields.health => card.health,
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fields.spellspeed => card.spell_speed
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.localized(&globals.spell_speeds)
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.map(|ss| ss.name.to_owned())
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.unwrap_or_else(String::new),
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fields.keywords => card.keywords.iter()
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.map(|keyword| keyword
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.localized(&globals.keywords)
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.map(|ck| ck.name.to_owned())
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.unwrap_or_else(String::new))
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.join(" "),
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fields.description => card.localized_description_text,
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fields.levelup => card.localized_levelup_text,
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fields.flavor => card.localized_flavor_text,
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fields.artist => card.artist_name,
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fields.subtypes => card.subtypes.join(" "),
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fields.supertype => card.supertype,
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)
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}
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/// Build the [tantivy::QueryParser] of the search engine.
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fn parser(index: &Index, fields: CardSchemaFields) -> QueryParser {
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QueryParser::for_index(
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&index,
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Vec::from(fields)
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)
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}
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/// Create a new [CardSearchEngine].
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pub fn new(globals: LocalizedGlobalsIndexes, cards: CardIndex) -> Self {
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let index = Self::index();
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let schema = index.schema();
|
||||
let fields = Self::schema_fields(&schema);
|
||||
|
||||
index.tokenizers().register("card", Self::tokenizer());
|
||||
|
||||
let mut writer = Self::writer(&index);
|
||||
for card in cards.values() {
|
||||
let document = Self::document(&fields, &globals, card.clone());
|
||||
writer.add_document(document)
|
||||
.expect("IndexWriter threads to not panic or die before adding a document");
|
||||
};
|
||||
writer.commit()
|
||||
.expect("IndexWriter threads to not panic or die before commit");
|
||||
|
||||
let parser = Self::parser(&index, fields);
|
||||
let reader = Self::reader(&index);
|
||||
|
||||
Self {index, reader, parser, globals, cards}
|
||||
}
|
||||
|
||||
/// Perform a query on the search engine.
|
||||
pub fn query(&self, input: &str, top: usize) -> Result<Vec<&Card>, QueryParserError> {
|
||||
let searcher = self.reader.searcher();
|
||||
|
||||
let query = self.parser.parse_query(input)?;
|
||||
|
||||
let search = searcher.search(&*query, &TopDocs::with_limit(top))
|
||||
.expect("Searcher::search to never fail");
|
||||
|
||||
let f_code = self.index.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))
|
||||
.filter_map(|code| self.cards.get(&*code))
|
||||
.collect_vec();
|
||||
|
||||
Ok(results)
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/// Stage all [tantivy::Document]s generated from [Card]s contained in the passed [Vec] for write on a [tantivy::Index] via the given [tantivy::IndexWriter].
|
||||
pub fn cards_to_index(writer: IndexWriter, schema: Schema, globals: &LocalizedGlobalsIndexes, cards: Vec<Card>) -> tantivy::Result<()> {
|
||||
for card in cards {
|
||||
writer.add_document(card_to_document(&schema, &globals, card))?;
|
||||
};
|
||||
Ok(())
|
||||
/// Struct containing all retrieved [CardSearchEngine] [Field]s.
|
||||
///
|
||||
/// This makes it easier to pass them around without having to re-fetch them every time they are used.
|
||||
struct CardSchemaFields {
|
||||
/// [Card::code].
|
||||
pub code: Field,
|
||||
/// [Card::name].
|
||||
pub name: Field,
|
||||
/// English [Card::type].
|
||||
pub r#type: Field,
|
||||
/// Localized [Card::set].
|
||||
pub set: Field,
|
||||
/// Localized [Card::rarity].
|
||||
pub rarity: Field,
|
||||
/// `0` if the card is not [Card::collectible], `1` otherwise.
|
||||
pub collectible: Field,
|
||||
/// Space-separated localized [Card::regions].
|
||||
pub regions: Field,
|
||||
/// [Card::attack].
|
||||
pub attack: Field,
|
||||
/// [Card::cost].
|
||||
pub cost: Field,
|
||||
/// [Card::health].
|
||||
pub health: Field,
|
||||
/// [Card::spell_speed].
|
||||
pub spellspeed: Field,
|
||||
/// Space-separated localized [Card::keywords].
|
||||
pub keywords: Field,
|
||||
/// [Card::localized_description_text].
|
||||
pub description: Field,
|
||||
/// [Card::localized_levelup_text].
|
||||
pub levelup: Field,
|
||||
/// [Card::localized_flavor_text].
|
||||
pub flavor: Field,
|
||||
/// [Card::artist_name].
|
||||
pub artist: Field,
|
||||
/// Space-separated [Card::subtypes].
|
||||
pub subtypes: Field,
|
||||
/// [Card::supertype].
|
||||
pub supertype: Field,
|
||||
}
|
||||
|
||||
|
||||
/// Build a new [tantivy::Index] for [crate::schena::setbundle::Card] documents, based on [card_schema].
|
||||
pub(crate) fn card_index() -> Index {
|
||||
Index::create_in_ram(
|
||||
card_schema()
|
||||
)
|
||||
}
|
||||
|
||||
|
||||
/// Build a [tantivy::IndexWriter] with the optimal configuration for [crate::schena::setbundle::Card] documents.
|
||||
pub(crate) fn card_writer(index: &Index) -> IndexWriter {
|
||||
index
|
||||
.writer(4_000_000)
|
||||
.expect("to be able to allocate 4 MB for a IndexWriter")
|
||||
}
|
||||
|
||||
|
||||
/// Build a [tantivy::IndexReader] with the optimal configuration for [crate::schena::setbundle::Card] documents.
|
||||
pub(crate) fn card_reader(index: &Index) -> IndexReader {
|
||||
index
|
||||
.reader_builder()
|
||||
.reload_policy(tantivy::ReloadPolicy::Manual)
|
||||
.try_into()
|
||||
.expect("to be able to create a IndexReader")
|
||||
}
|
||||
|
||||
|
||||
/// Build a new [tantivy::QueryParser] for [Card] documents, based on [crate::search::card::card_schema] and the passed index.
|
||||
pub(crate) 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,
|
||||
impl From<CardSchemaFields> for Vec<Field> {
|
||||
fn from(fields: CardSchemaFields) -> Self {
|
||||
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,
|
||||
fields.code,
|
||||
fields.name,
|
||||
fields.r#type,
|
||||
fields.set,
|
||||
fields.rarity,
|
||||
fields.collectible,
|
||||
fields.regions,
|
||||
fields.attack,
|
||||
fields.cost,
|
||||
fields.health,
|
||||
fields.spellspeed,
|
||||
fields.keywords,
|
||||
fields.description,
|
||||
fields.levelup,
|
||||
fields.flavor,
|
||||
fields.artist,
|
||||
fields.subtypes,
|
||||
fields.supertype,
|
||||
]
|
||||
)
|
||||
}
|
||||
|
||||
|
||||
pub(crate) enum CardQueryError {
|
||||
Parsing(QueryParserError),
|
||||
Search(TantivyError),
|
||||
}
|
||||
|
||||
|
||||
pub(crate) fn card_query(schema: &Schema, reader: &IndexReader, parser: &QueryParser, query: &str, amount: usize) -> Result<Vec<String>, CardQueryError> {
|
||||
log::debug!("Searching for `{}`...", &query);
|
||||
|
||||
let searcher = reader.searcher();
|
||||
let query = parser.parse_query(query)
|
||||
.map_err(CardQueryError::Parsing)?;
|
||||
let search = searcher.search(&*query, &TopDocs::with_limit(amount))
|
||||
.map_err(CardQueryError::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)
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue