Make db creation better

src/data_provider/sqlite.rs

@@ -0,0 +1,51 @@
+use crate::dictionary::app_data_dir;
+use rusqlite::Connection;
+
+pub fn create_db() {
+    let path = app_data_dir();
+    let db_file = path.join("data.db");
+    if !db_file.exists() {
+        std::fs::File::create(&db_file).unwrap();
+        let connection = Connection::open(&db_file).unwrap();
+        connection.execute("PRAGMA foreign_keys = ON;", []).unwrap();
+
+        create_tables(&connection);
+    }
+}
+
+fn create_tables(conn: &Connection) {
+    make_card_set(conn).unwrap();
+    make_settings(conn).unwrap();
+    make_word_group(conn).unwrap();
+    make_words(conn).unwrap();
+    make_card_stats(conn).unwrap();
+}
+
+fn make_settings(conn: &Connection) -> Result<(), rusqlite::Error> {
+    let query = include_str!("../../sql/settings.sql");
+    conn.execute(query, ())?;
+    Ok(())
+}
+
+fn make_card_set(conn: &Connection) -> Result<(), rusqlite::Error> {
+    let query = include_str!("../../sql/card_set.sql");
+    conn.execute(query, ())?;
+    Ok(())
+}
+
+fn make_word_group(conn: &Connection) -> Result<(), rusqlite::Error> {
+    let query = include_str!("../../sql/word_group.sql");
+    conn.execute(query, ())?;
+    conn.execute("insert into word_group (name) values (\"Слова\");", ())?;
+    Ok(())
+}
+fn make_words(conn: &Connection) -> Result<(), rusqlite::Error> {
+    let query = include_str!("../../sql/words.sql");
+    conn.execute(query, ())?;
+    Ok(())
+}
+fn make_card_stats(conn: &Connection) -> Result<(), rusqlite::Error> {
+    let query = include_str!("../../sql/card_stats.sql");
+    conn.execute(query, ())?;
+    Ok(())
+}