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Current File : //lib/calibre/calibre/gui2/actions/store.py

__license__ = 'GPL 3'
__copyright__ = '2011, John Schember <john@nachtimwald.com>'
__docformat__ = 'restructuredtext en'

from functools import partial

from qt.core import QIcon, QSize

from calibre.gui2 import error_dialog
from calibre.gui2.actions import InterfaceAction
from calibre.gui2.dialogs.confirm_delete import confirm
from calibre.utils.localization import localize_user_manual_link


class StoreAction(InterfaceAction):

    name = 'Store'
    action_spec = (_('Get books'), 'store.png', _('Search dozens of online e-book retailers for the cheapest books'), _('G'))
    action_add_menu = True
    action_menu_clone_qaction = _('Search for e-books')

    def genesis(self):
        self.qaction.triggered.connect(self.do_search)
        self.store_menu = self.qaction.menu()
        cm = partial(self.create_menu_action, self.store_menu)
        for x, t in [('author', _('this author')), ('title', _('this title')),
                ('book', _('this book'))]:
            func = getattr(self, 'search_%s'%('author_title' if x == 'book'
                else x))
            ac = cm(x, _('Search for %s')%t, triggered=func)
            setattr(self, 'action_search_by_'+x, ac)
        self.store_menu.addSeparator()
        self.store_list_menu = self.store_menu.addMenu(_('Stores'))
        self.load_menu()
        self.store_menu.addSeparator()
        cm('choose stores', _('Choose stores'), triggered=self.choose)

    def load_menu(self):
        self.store_list_menu.clear()
        icon = QIcon()
        icon.addFile(I('donate.png'), QSize(16, 16))
        for n, p in sorted(self.gui.istores.items(), key=lambda x: x[0].lower()):
            if p.base_plugin.affiliate:
                self.store_list_menu.addAction(icon, n,
                                               partial(self.open_store, n))
            else:
                self.store_list_menu.addAction(n, partial(self.open_store, n))

    def do_search(self):
        return self.search()

    def search(self, query=''):
        self.gui.istores.check_for_updates()
        self.show_disclaimer()
        from calibre.gui2.store.search.search import SearchDialog
        sd = SearchDialog(self.gui, self.gui, query)
        sd.exec()

    def _get_selected_row(self):
        rows = self.gui.current_view().selectionModel().selectedRows()
        if not rows or len(rows) == 0:
            return None
        return rows[0].row()

    def _get_author(self, row):
        authors = []

        if self.gui.current_view() is self.gui.library_view:
            a = self.gui.library_view.model().authors(row)
            authors = a.split(',')
        else:
            mi = self.gui.current_view().model().get_book_display_info(row)
            authors = mi.authors

        corrected_authors = []
        for x in authors:
            a = x.split('|')
            a.reverse()
            a = ' '.join(a)
            corrected_authors.append(a)

        return ' & '.join(corrected_authors).strip()

    def search_author(self):
        row = self._get_selected_row()
        if row is None:
            error_dialog(self.gui, _('Cannot search'), _('No book selected'), show=True)
            return
        self.search({'author': self._get_author(row)})

    def _get_title(self, row):
        title = ''
        if self.gui.current_view() is self.gui.library_view:
            title = self.gui.library_view.model().title(row)
        else:
            mi = self.gui.current_view().model().get_book_display_info(row)
            title = mi.title

        return title.strip()

    def search_title(self):
        row = self._get_selected_row()
        if row is None:
            error_dialog(self.gui, _('Cannot search'), _('No book selected'), show=True)
            return
        self.search({'title': self._get_title(row)})

    def search_author_title(self):
        row = self._get_selected_row()
        if row is None:
            error_dialog(self.gui, _('Cannot search'), _('No book selected'), show=True)
            return
        self.search({'author': self._get_author(row), 'title': self._get_title(row)})

    def choose(self):
        from calibre.gui2.store.config.chooser.chooser_dialog import StoreChooserDialog
        d = StoreChooserDialog(self.gui)
        d.exec()
        self.gui.load_store_plugins()
        self.load_menu()

    def open_store(self, store_plugin_name):
        self.gui.istores.check_for_updates()
        # self.show_disclaimer()
        # It's not too important that the updated plugin have finished loading
        # at this point
        self.gui.istores.join(1.0)
        self.gui.istores[store_plugin_name].open(self.gui)

    def show_disclaimer(self):
        confirm(('<p>' +
            _('calibre helps you find the e-books you want by searching '
            'the websites of various commercial and public domain '
            'book sources.') +
            '<p>' +
            _('Using the integrated search you can easily find which '
            'store has the book you are looking for, at the best price. '
            'You also get DRM status and other useful information.') + '<p>' +
            _('All transactions (paid or otherwise) are handled between '
            'you and the book seller. '
            'calibre is not part of this process and any issues related '
            'to a purchase should be directed to the website you are '
            'buying from. Be sure to double check that any books you get '
            'will work with your e-book reader, especially if the book you '
            'are buying has '
            '<a href="{}">DRM</a>.'
            ).format(localize_user_manual_link(
                'https://manual.calibre-ebook.com/drm.html'))), 'about_get_books_msg',
            parent=self.gui, show_cancel_button=False,
            confirm_msg=_('Show this message again'),
            pixmap='dialog_information.png', title=_('About Get books'))

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