mew/ui/window.py

"""

    [Module documentaion here]

    @author:[author], [year]
"""

from path import Path

from PyQt5.QtGui import QIcon
from PyQt5.QtWidgets import QMainWindow, QListWidgetItem, QTableWidgetItem, QFileDialog

from core.logging_ import Logger
from core.models import MusicFolder
from core.repositories import MusicFolderRepository, TrackRepository, SessionTrackRepository, SessionRepository
from ui.qt.dlg_playlist import DlgPlaylist
from ui.qt.dlg_select_playlist import DlgSelectPlaylist
from ui.qt.main_ui import Ui_mainWindow
from ui.qt.widgets.explorertable import ExplorerTable
from ui.qt.widgets.playlist_table import PlaylistTable

logger = Logger.get()


class MainWindow(QMainWindow):
    def __init__(self, settings=None):
        super().__init__()

        self.settings = settings or {}
        self.createWidgets()

    def createWidgets(self):
        self.ui = Ui_mainWindow()
        self.ui.setupUi(self)

        # Stack and menus
        self.ui.stack.setCurrentIndex(0)

        menu_items = {
            0: (':/img/rsc/dancing.png', 'Ma séance'),
            # 1: (':/img/rsc/writing-tool.png', 'Préparer'),
            2: (':/img/rsc/map.png', 'Explorer'),
            # 3: (':/img/rsc/calendar.png', 'Agenda'),
            4: (':/img/rsc/settings.png', 'Paramètres'),
        }

        for i, item in menu_items.items():
            icon, lbl = item
            item = QListWidgetItem(QIcon(icon), lbl)
            item.index = i
            self.ui.menu.addItem(item)

        # Menu item clicked
        self.ui.menu.itemClicked.connect(self.menu_item_selected)

        # Page 3 - explorer
        self.ui.explorerTable.populate()
        self.ui.explorerTable.trackSelected.connect(self.explorer_selection_changed)
        self.ui.explorerTable.trackDoubleClicked.connect(self.play_track)
        self.ui.btnExplorerRefresh.clicked.connect(self.refresh_explorer_tree)
        self.ui.explorerTrackMetaStack.setCurrentIndex(0)
        self.ui.explorerTrackPlay.clicked.connect(self.explorerPlaySelected)

        self.ui.btnSelectPlaylist.clicked.connect(self.selectPlaylist)

        self.ui.explorerAddToPlaylist.clicked.connect(self.add_to_playlist)
        self.ui.explorerRemoveFromPlaylist.clicked.connect(self.remove_from_playlist)

        self.ui.explorerPlaylist.trackSelected.connect(self.explorer_selection_changed)
        self.ui.explorerPlaylist.trackDoubleClicked.connect(self.play_track)

        # self.ui.explorerCreatePlaylist.clicked.connect(self.createOrEditPlaylist)

        # Page 5 - settings
        self.ui.musicFoldersTable.setColumnHidden(0, 1)
        self.ui.musicFoldersAddButton.clicked.connect(self.add_music_folder)
        self.ui.musicFoldersRemoveButton.clicked.connect(self.remove_music_folder)
        self.populate_music_folders_table()

        # Apply settings
        if self.settings:
            self.ui.vlcFrame.set_volume(int(self.settings['volume']))

            playlist_id = int(self.settings['playlist'])
            if playlist_id > 0:
                playlist_repo = SessionRepository()
                playlist = playlist_repo.get_by_id(playlist_id)
                self.loadPlaylist(playlist)

    def menu_item_selected(self, e):
        self.ui.stack.setCurrentIndex(e.index)

    def indexation_started(self):
        self.ui.statusbar.setStatusTip("Indexation en cours...")

    def indexation_ended(self):
        self.ui.statusbar.setStatusTip("Indexation terminée.")

    def refresh_explorer_tree(self):
        self.ui.explorerTable.populate()

    def explorer_selection_changed(self, track):
        sender = self.sender()

        self.ui.explorerTrackMetaStack.setCurrentIndex(0)
        self.ui.explorerTrackPlay.setEnabled(False)
        self.ui.explorerAddToPlaylist.setEnabled(False)
        self.ui.explorerRemoveFromPlaylist.setEnabled(False)

        if not track:
            return

        # track infos
        self.ui.explorerLblTrackTitle.setText(track.title)
        self.ui.explorerLblTrackArtist.setText(track.artist)
        self.ui.explorerLblTrackAlbum.setText(track.album)
        self.ui.explorerLblTrackNumber.setText(
            str(track.track_num if track.track_num is not None else "")
        )
        self.ui.explorerTrackMetaStack.setCurrentIndex(1)
        self.ui.explorerTrackPlay.setEnabled(True)

        if type(sender) is ExplorerTable:
            self.ui.explorerAddToPlaylist.setEnabled(True)

        elif type(sender) is PlaylistTable:
            self.ui.explorerRemoveFromPlaylist.setEnabled(True)

        else:
            raise RuntimeError("Unknown sender")

    def populate_music_folders_table(self):
        music_folders = MusicFolderRepository().get_all()
        self.ui.musicFoldersTable.setRowCount(0)
        self.ui.musicFoldersTable.setRowCount(len(music_folders))
        music_folder_statuses = [
            ('Inconnu', 'status_unknown.png'),
            ('Valide', 'status_found.png'),
            ('Inaccessible', 'status_unavailable.png')
        ]
        for i, music_folder in enumerate(music_folders):
            self.ui.musicFoldersTable.setItem(i, 0, QTableWidgetItem(music_folder.id))

            status_lbl, status_pic = music_folder_statuses[music_folder.status]
            self.ui.musicFoldersTable.setItem(i, 1, QTableWidgetItem(QIcon(status_pic), status_lbl))

            self.ui.musicFoldersTable.setItem(i, 2, QTableWidgetItem(music_folder.path))

    def explorerPlaySelected(self):
        track = self.ui.explorerTable.selected_track()
        if track is None:
            return
        self.play_track(track)

    def play_track(self, track):
        logger.info("Start playing: %s" % track)
        self.ui.vlcFrame.play_track(track)

    def add_music_folder(self):
        path = QFileDialog.getExistingDirectory(self, "Sélectionnez le dossier à ajouter")
        if not path:
            return
        path = Path(path)

        repo = MusicFolderRepository()

        music_folders = repo.get_all()

        # for folder in music_folders:
        #     if path == Path(folder.path):
        #         QMessageBox.warning(self, "Ajout invalide",  "Ce dossier a déjà été ajouté")
        #         return
        #
        #     if is_subdir_of(path, Path(folder.path)):
        #         QMessageBox.warning(self, "Ajout invalide",  "Ce dossier est contenu dans un dossier existant")
        #         return

        folder = MusicFolder(path=path)
        repo.create(folder, True)

        self.populate_music_folders_table()

    def remove_music_folder(self):
        pass

    def createOrEditPlaylist(self):
        r = DlgPlaylist.edit(self)

    def selectPlaylist(self):
        playlist = DlgSelectPlaylist.select(self)
        if playlist:
            self.loadPlaylist(playlist)

    def loadPlaylist(self, playlist):
        self.ui.explorerPlaylist.setEnabled(True)
        self.ui.lblPlaylistName.setText(playlist.name)
        self.ui.explorerPlaylist.populate(playlist)

    def add_to_playlist(self):
        track = self.ui.explorerTable.selected_track()
        if track is None:
            return
        playlist = self.ui.explorerPlaylist.playlist
        if playlist is None:
            return
        order = self.ui.explorerPlaylist.count + 1
        track_repo = TrackRepository()
        track_repo.add_to_playlist(
            track.id,
            playlist.id
        )
        self.ui.explorerPlaylist.populate(playlist)

    def remove_from_playlist(self):
        session_track = self.ui.explorerPlaylist.selected_session_track()
        if session_track is None:
            return
        session_track_repo = SessionTrackRepository()
        session_track_repo.delete(session_track, True)
        self.ui.explorerPlaylist.populate()

    def run(self):
        pass

    def currentSettings(self):
        volume = self.ui.vlcFrame.volume
        playlist_id = self.ui.explorerPlaylist.playlist.id

        return {
            "playlist": playlist_id,
            "volume": volume
        }

    def __del__(self):
        if self.qdb.isOpen():
            self.qdb.close()