Files
musicplayer/src/mpv/control.gleam
Alexander Heldt d50a920490 json
2025-11-16 16:08:18 +01:00

54 lines
1.2 KiB
Gleam

import gleam/json
import gleam/result
import mpv/key.{type Key}
import tcp/reason.{type Reason}
import tcp/tcp.{type Socket}
pub type Control {
TogglePlayPause
Exit
}
pub fn from_key(key: Key) -> Result(Control, Nil) {
case key {
key.Char(char) -> char_control(char)
_ -> Error(Nil)
}
}
fn char_control(char: String) -> Result(Control, Nil) {
case char {
" " -> Ok(TogglePlayPause)
"q" -> Ok(Exit)
_ -> Error(Nil)
}
}
pub fn toggle_play_pause(socket: Socket) -> Result(Nil, Reason) {
let command =
json.object([#("command", json.array(["cycle", "pause"], of: json.string))])
result.map(send_command(socket, command), fn(_) { Nil })
}
// https://mpv.io/manual/master/#command-interface-playback-time
pub fn get_playback_time(socket: Socket) -> Result(String, Reason) {
let command =
json.object([
#(
"command",
json.array(["get_property_string", "playback-time"], of: json.string),
),
])
send_command(socket, command)
}
fn send_command(socket: Socket, command: json.Json) -> Result(String, Reason) {
result.try(tcp.send(socket, json.to_string(command) <> "\n"), fn(_) {
let timeout_ms = 10_000
tcp.receive(socket, timeout_ms)
})
}