Changing how to use textdifference thing

I think it'd be better to use text difference if a substring isn't found.

I realised afterwards that I think this is how Scryfall does it anyway.

scryfall_deser/src/db.rs

@@ -1,6 +1,7 @@
 use rusqlite;
 use std::fs;
 use std::path::PathBuf;
+use std::str::SplitWhitespace;
 
 use super::deser::ScryfallCard;
 use super::utils::get_local_cache_folder;
@@ -12,21 +13,6 @@ fn get_local_data_sqlite_file() -> PathBuf {
     folder
 }
 
-fn create_db_sql() -> String {
-    "
-CREATE TABLE cards (
-    name TEXT NOT NULL UNIQUE,
-    lowercase_name TEXT NOT NULL UNIQUE,
-    type_line TEXT,
-    oracle_text TEXT,
-    power_toughness TEXT,
-    loyalty INTEGER,
-    mana_cost TEXT,
-    scryfall_uri TEXT NOT NULL UNIQUE
-);"
-    .to_string()
-}
-
 pub fn get_all_card_names() -> Vec<String> {
     let sqlite_file = get_local_data_sqlite_file();
     let conn = rusqlite::Connection::open(sqlite_file).unwrap();
@@ -58,6 +44,13 @@ pub fn update_db_with_file(file: PathBuf) -> bool {
     let mut conn = rusqlite::Connection::open(sqlite_file).unwrap();
     let tx = conn.transaction().unwrap();
     for card in ac {
+        for word in card.name.split_whitespace() {
+            let res = tx.execute(
+                "INSERT INTO magic_words (word) VALUES (?1)
+                     ON CONFLICT (word) DO NOTHING;",
+                [word.replace(",", "")],
+            );
+        }
         let lowercase_name = card.name.to_lowercase();
         let power_toughness = match card.power {
             Some(p) => format!("{}/{}", p, card.toughness.unwrap()),
@@ -84,6 +77,23 @@ pub fn update_db_with_file(file: PathBuf) -> bool {
     true
 }
 
+const CREATE_CARDS_TABLE_SQL: &str = "
+CREATE TABLE cards (
+    name TEXT NOT NULL UNIQUE,
+    lowercase_name TEXT NOT NULL UNIQUE,
+    type_line TEXT,
+    oracle_text TEXT,
+    power_toughness TEXT,
+    loyalty INTEGER,
+    mana_cost TEXT,
+    scryfall_uri TEXT NOT NULL UNIQUE
+)";
+
+const CREATE_MAGIC_WORDS_TABLE_SQL: &str = "
+CREATE TABLE magic_words (
+    word TEXT NOT NULL UNIQUE
+)";
+
 // Will delete your current db
 pub fn init_db() -> bool {
     create_cache_folder();
@@ -94,7 +104,9 @@ pub fn init_db() -> bool {
     let _res = fs::remove_file(&sqlite_file);
     // TODO actually check result for whether it was a permissions thing or something
     let connection = rusqlite::Connection::open(sqlite_file).unwrap();
-    let init_query = create_db_sql();
-    connection.execute(&init_query, ()).unwrap();
+    connection.execute(&CREATE_CARDS_TABLE_SQL, ()).unwrap();
+    connection
+        .execute(&CREATE_MAGIC_WORDS_TABLE_SQL, ())
+        .unwrap();
     true
 }