feat: building

src/db.rs

@@ -0,0 +1,27 @@
+use rusqlite::{Connection, params};
+use rust_util::{debugging, information, opt_result, success, XResult};
+
+pub fn open_db(db: &str) -> XResult<Connection> {
+    let con = opt_result!(Connection::open(db), "Open sqlite db: {}, failed: {}", db);
+    debugging!("Db auto commit: {}", con.is_autocommit());
+    Ok(con)
+}
+
+pub fn init_db(conn: &Connection) -> XResult<bool> {
+    let mut stmt = conn.prepare("SELECT name FROM sqlite_master WHERE type='table' AND name='keys'")?;
+    let mut rows = stmt.query(())?;
+    if rows.next()?.is_some() {
+        information!("Table keys exists, skip init");
+        return Ok(false);
+    }
+
+    let _ = conn.execute(r##"
+        CREATE TABLE keys (
+            id INTEGER PRIMARY KEY,
+            name  TEXT NOT NULL,
+            value  TEXT
+        )
+    "##, ())?;
+    success!("Table keys created");
+    Ok(true)
+}