v0.0.2

src/db/trusted_senders.rs

@@ -0,0 +1,46 @@
+use rusqlite::Connection;
+
+pub fn list(conn: &Connection) -> Result<Vec<String>, String> {
+    let mut stmt = conn
+        .prepare("SELECT email FROM trusted_senders ORDER BY lower(email)")
+        .map_err(|e| format!("Failed to prepare trusted sender list: {e}"))?;
+    let rows = stmt
+        .query_map([], |row| row.get::<_, String>(0))
+        .map_err(|e| format!("Failed to query trusted senders: {e}"))?;
+    rows.collect::<Result<Vec<_>, _>>()
+        .map_err(|e| format!("Failed to read trusted sender: {e}"))
+}
+
+pub fn add(conn: &Connection, email: &str) -> Result<(), String> {
+    conn.execute(
+        "INSERT OR IGNORE INTO trusted_senders(email) VALUES(?1)",
+        [email],
+    )
+    .map_err(|e| format!("Failed to trust sender: {e}"))?;
+    Ok(())
+}
+
+pub fn remove(conn: &Connection, email: &str) -> Result<(), String> {
+    conn.execute(
+        "DELETE FROM trusted_senders WHERE email = ?1 COLLATE NOCASE",
+        [email],
+    )
+    .map_err(|e| format!("Failed to remove trusted sender: {e}"))?;
+    Ok(())
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use crate::db::pool::open_test_db;
+
+    #[test]
+    fn trusted_senders_roundtrip_case_insensitive() {
+        let conn = open_test_db();
+        add(&conn, "Alice@Example.com").unwrap();
+        add(&conn, "alice@example.com").unwrap();
+        assert_eq!(list(&conn).unwrap().len(), 1);
+        remove(&conn, "ALICE@example.com").unwrap();
+        assert!(list(&conn).unwrap().is_empty());
+    }
+}