72 lines
2.1 KiB
Plaintext
72 lines
2.1 KiB
Plaintext
// needs to be compiled with -m -C "-lsqlite3"
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extern sqlite3_open
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extern sqlite3_exec
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extern sqlite3_prepare_v2
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extern sqlite3_bind_int
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extern sqlite3_bind_text
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extern sqlite3_step
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extern sqlite3_errmsg
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extern sqlite3_column_int
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extern sqlite3_column_text
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extern sqlite3_finalize
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func main[] : i64
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let rc = 0
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let db = 0
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let stmt = 0
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rc = sqlite3_open("todo.db", ^db)
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if rc
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panic("failed to open db")
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rc = sqlite3_exec(db, "CREATE TABLE IF NOT EXISTS todo(id INTEGER PRIMARY KEY AUTOINCREMENT, task TEXT NOT NULL);", 0, 0, 0)
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if rc
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panic(sqlite3_errmsg(db))
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while true
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io.println("1. List tasks")
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io.println("2. Add task")
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io.println("3. Delete task")
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io.println("0. Quit")
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io.print("\n> ")
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let choice = io.read_line() |> str.parse_i64()
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if choice == 0
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break
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else if choice == 1
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io.println("============")
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sqlite3_prepare_v2(db, "SELECT * FROM todo", -1, ^stmt, 0)
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while sqlite3_step(stmt) == 100
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let id = sqlite3_column_int(stmt, 0)
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let task = sqlite3_column_text(stmt, 1)
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io.print_i64(id)
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io.print(" - ")
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io.println(task)
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io.println("============")
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else if choice == 2
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io.print("\nEnter new task: ")
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let task = io.read_line() |> str.trim()
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sqlite3_prepare_v2(db, "INSERT INTO todo(task) VALUES (?);", -1, ^stmt, 0)
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sqlite3_bind_text(stmt, 1, task, -1, 0)
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if sqlite3_step(stmt) != 101
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panic(sqlite3_errmsg(db))
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io.println("\nTask added\n")
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else if choice == 3
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io.print("\nEnter task id: ")
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let id = io.read_line() |> str.parse_i64()
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sqlite3_prepare_v2(db, "DELETE FROM todo WHERE id = ?;", -1, ^stmt, 0)
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sqlite3_bind_int(stmt, 1, id, -1, 0)
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if sqlite3_step(stmt) != 101
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panic(sqlite3_errmsg(db))
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io.println("\nTask deleted\n")
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sqlite3_finalize(stmt)
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