Function alfred_workflow::open_database_or_else

pub fn open_database_or_else<F>(name: &str, f: F) -> Result<Connection, Error>where
    F: Fn(&Connection) -> Result<(), Error>,

Opens or creates if not exists an SQLite database.

Arguments

• name - The name of the workflow, which will create a dedicated sub-directory for.vec!
• f - A lazily evaluated function that is called when the database is first created.

Remarks

name must be unique or it may conflict with other workflows.

Examples

use failure::Error;
use rusqlite::Connection;
use rusqlite::NO_PARAMS;

fn main() -> Result<(), Error> {
    let conn = alfred_workflow::open_database_or_else("myworkflow", create_tables)?;
    Ok(())
}

fn create_tables(conn: &Connection) -> Result<(), Error> {
    conn.execute(
        "CREATE TABLE IF NOT EXISTS config (
            key   TEXT NOT NULL PRIMARY KEY,
            value TEXT NOT NULL
        );",
        NO_PARAMS,
    )?;
    Ok(())
}