app.py

import curses
import curses.panel
from curses import wrapper
from curses.textpad import Textbox
from curses.textpad import rectangle
from client import Menu
from client import DataManager
#import auth




def show_search_screen(stdscr):
     curses.curs_set(1)
     stdscr.addstr(1, 2, "Artist name: (Ctrl-G to search)")
     editwin = curses.newwin(1, 40, 3, 3)
     rectangle(stdscr, 2, 2, 4, 44)
     stdscr.refresh()
     box = Textbox(editwin)
     box.edit()
     criteria = box.gather()
     return criteria

def clear_screen(stdscr):
     stdscr.clear()
     stdscr.refresh()

def main(stdscr):
     curses.cbreak()
     curses.noecho()
     stdscr.keypad(True)
     _data_manager = DataManager()
     criteria = show_search_screen(stdscr)
     
     height, width = stdscr.getmaxyx()
     albums_panel = Menu('List of albums for the selected artist',(height, width, 0, 0))
     tracks_panel = Menu('List of tracks for the selected album',(height, width, 0, 0))
     artist = _data_manager.search_artist(criteria, _data_manager._SearchType.ARTIST)
     albums = _data_manager.get_artist_albums(artist['id'])
     clear_screen(stdscr)
     albums_panel.items = albums
     albums_panel.init()
     albums_panel.update()

     albums_panel.show()
     current_panel = albums_panel
     
     is_running = True
     while is_running:
          curses.doupdate()
          curses.panel.update_panels()
          key = stdscr.getch()
          action = current_panel.handle_events(key)
     if action is not None:
          action_result = action()
     if current_panel == albums_panel and action_result is not None:
          _id, uri = action_result
          tracks = _data_manager.get_album_tracklist(_id)

          current_panel.hide()
          current_panel = tracks_panel
          current_panel.items = tracks
          current_panel.init()
          current_panel.show()
          
     elif current_panel == tracks_panel and action_result is not None:
          _id, uri = action_result
          _data_manager.play(uri)

     if key == curses.KEY_F2:
          current_panel.hide()
          criteria = show_search_screen(stdscr)
          artist = _data_manager.search_artist(criteria)
          albums = _data_manager.get_artist_albums(artist['id'])
          clear_screen(stdscr)
          current_panel = albums_panel
          current_panel.items = albums
          current_panel.init()
          current_panel.show()

     if key == ord('q') or key == ord('Q'):
          is_running = False
          current_panel.update()
     
try:
     wrapper(main)
except KeyboardInterrupt:
     print('Thanks for using this app, bye!')