143 lines
5.3 KiB
Python
143 lines
5.3 KiB
Python
#!/usr/bin/env python3
|
|
|
|
import os
|
|
import pickle
|
|
import database
|
|
|
|
from PyQt5 import QtWidgets, QtGui, QtCore
|
|
from widgets import MyAbsModel
|
|
|
|
|
|
class Library:
|
|
def __init__(self, parent):
|
|
self.parent_window = parent
|
|
self.proxy_model = None
|
|
|
|
def generate_model(self, mode, parsed_books=None):
|
|
# The QlistView widget needs to be populated
|
|
# with a model that inherits from QStandardItemModel
|
|
# self.parent_window.viewModel = QtGui.QStandardItemModel()
|
|
|
|
if mode == 'build':
|
|
self.parent_window.viewModel = MyAbsModel()
|
|
|
|
books = database.DatabaseFunctions(
|
|
self.parent_window.database_path).fetch_data(
|
|
('*',),
|
|
'books',
|
|
{'Title': ''},
|
|
'LIKE')
|
|
|
|
if not books:
|
|
print('Database returned nothing')
|
|
return
|
|
|
|
elif mode == 'addition':
|
|
# Assumes parent_window.viewModel already exists and may be extended
|
|
# Because any additional books have already been added to the
|
|
# database using background threads
|
|
|
|
books = []
|
|
for i in parsed_books:
|
|
parsed_title = parsed_books[i]['title']
|
|
parsed_author = parsed_books[i]['author']
|
|
parsed_year = parsed_books[i]['year']
|
|
parsed_path = parsed_books[i]['path']
|
|
parsed_position = None
|
|
parsed_isbn = parsed_books[i]['isbn']
|
|
parsed_tags = None
|
|
parsed_hash = i
|
|
parsed_cover = parsed_books[i]['cover_image']
|
|
|
|
books.append([
|
|
None, parsed_title, parsed_author, parsed_year, parsed_path,
|
|
parsed_position, parsed_isbn, parsed_tags, parsed_hash, parsed_cover])
|
|
|
|
else:
|
|
return
|
|
|
|
for i in books:
|
|
# The database query returns (or the extension data is)
|
|
# an iterable with the following indices:
|
|
# Index 0 is the key ID is ignored
|
|
title = i[1]
|
|
author = i[2]
|
|
year = i[3]
|
|
path = i[4]
|
|
tags = i[6]
|
|
cover = i[9]
|
|
|
|
position = i[5]
|
|
if position:
|
|
position = pickle.loads(position)
|
|
|
|
all_metadata = {
|
|
'title': title,
|
|
'author': author,
|
|
'year': year,
|
|
'path': path,
|
|
'position': position,
|
|
'isbn': i[6],
|
|
'tags': tags,
|
|
'hash': i[8]}
|
|
|
|
tooltip_string = title + '\nAuthor: ' + author + '\nYear: ' + str(year)
|
|
if tags:
|
|
tooltip_string += ('\nTags: ' + tags)
|
|
|
|
# This remarkably ugly hack is because the QSortFilterProxyModel
|
|
# doesn't easily allow searching through multiple item roles
|
|
search_workaround = title + ' ' + author
|
|
if tags:
|
|
search_workaround += tags
|
|
|
|
file_exists = os.path.exists(path)
|
|
|
|
# Generate image pixmap and then pass it to the widget
|
|
# as a QIcon
|
|
# Additional data can be set using an incrementing
|
|
# QtCore.Qt.UserRole
|
|
# QtCore.Qt.DisplayRole is the same as item.setText()
|
|
# The model is a single row and has no columns
|
|
img_pixmap = QtGui.QPixmap()
|
|
if cover:
|
|
img_pixmap.loadFromData(cover)
|
|
else:
|
|
img_pixmap.load(':/images/NotFound.png')
|
|
img_pixmap = img_pixmap.scaled(420, 600, QtCore.Qt.IgnoreAspectRatio)
|
|
item = QtGui.QStandardItem()
|
|
item.setToolTip(tooltip_string)
|
|
# The following order is needed to keep sorting working
|
|
item.setData(title, QtCore.Qt.UserRole)
|
|
item.setData(author, QtCore.Qt.UserRole + 1)
|
|
item.setData(year, QtCore.Qt.UserRole + 2)
|
|
item.setData(all_metadata, QtCore.Qt.UserRole + 3)
|
|
item.setData(search_workaround, QtCore.Qt.UserRole + 4)
|
|
item.setData(file_exists, QtCore.Qt.UserRole + 5)
|
|
item.setData(i[8], QtCore.Qt.UserRole + 6) # File hash
|
|
item.setData(position, QtCore.Qt.UserRole + 7)
|
|
item.setIcon(QtGui.QIcon(img_pixmap))
|
|
self.parent_window.viewModel.appendRow(item)
|
|
|
|
def create_proxymodel(self):
|
|
self.proxy_model = QtCore.QSortFilterProxyModel()
|
|
self.proxy_model.setSourceModel(self.parent_window.viewModel)
|
|
s = QtCore.QSize(160, 250) # Set icon sizing here
|
|
self.parent_window.listView.setIconSize(s)
|
|
self.parent_window.listView.setModel(self.proxy_model)
|
|
self.update_proxymodel()
|
|
|
|
def update_proxymodel(self):
|
|
self.proxy_model.setFilterRole(QtCore.Qt.UserRole + 4)
|
|
self.proxy_model.setFilterCaseSensitivity(QtCore.Qt.CaseInsensitive)
|
|
self.proxy_model.setFilterWildcard(
|
|
self.parent_window.libraryToolBar.searchBar.text())
|
|
|
|
self.parent_window.statusMessage.setText(
|
|
str(self.proxy_model.rowCount()) + ' books')
|
|
|
|
# Sorting according to roles and the drop down in the library
|
|
self.proxy_model.setSortRole(
|
|
QtCore.Qt.UserRole + self.parent_window.libraryToolBar.sortingBox.currentIndex())
|
|
self.proxy_model.sort(0)
|