src/eric7/WebBrowser/Bookmarks/BookmarksImporters/ChromeImporter.py

# -*- coding: utf-8 -*-

# Copyright (c) 2012 - 2022 Detlev Offenbach <detlev@die-offenbachs.de>
#

"""
Module implementing an importer for Chrome bookmarks.
"""

import json
import os

from PyQt6.QtCore import QCoreApplication, QDate, Qt

from eric7 import Globals
from eric7.EricGui import EricPixmapCache

from .BookmarksImporter import BookmarksImporter


def getImporterInfo(sourceId):
    """
    Module function to get information for the given source id.

    @param sourceId id of the browser ("chrome" or "chromium")
    @return tuple with an icon (QPixmap), readable name (string), name of
        the default bookmarks file (string), an info text (string),
        a prompt (string) and the default directory of the bookmarks file
        (string)
    @exception ValueError raised to indicate an invalid browser ID
    """
    if sourceId not in ("chrome", "chromium"):
        raise ValueError("Unsupported browser ID given ({0}).".format(sourceId))

    if sourceId == "chrome":
        if Globals.isWindowsPlatform():
            standardDir = os.path.expandvars(
                "%USERPROFILE%\\AppData\\Local\\Google\\Chrome\\" "User Data\\Default"
            )
        elif Globals.isMacPlatform():
            standardDir = os.path.expanduser(
                "~/Library/Application Support/Google/Chrome/Default"
            )
        else:
            standardDir = os.path.expanduser("~/.config/google-chrome/Default")
        return (
            EricPixmapCache.getPixmap("chrome"),
            "Google Chrome",
            "Bookmarks",
            QCoreApplication.translate(
                "ChromeImporter",
                """Google Chrome stores its bookmarks in the"""
                """ <b>Bookmarks</b> text file. This file is usually"""
                """ located in""",
            ),
            QCoreApplication.translate(
                "ChromeImporter",
                """Please choose the file to begin importing bookmarks.""",
            ),
            standardDir,
        )
    else:
        if Globals.isWindowsPlatform():
            standardDir = os.path.expandvars(
                "%USERPROFILE%\\AppData\\Local\\Google\\Chrome\\" "User Data\\Default"
            )
        else:
            standardDir = os.path.expanduser("~/.config/chromium/Default")
        return (
            EricPixmapCache.getPixmap("chromium"),
            "Chromium",
            "Bookmarks",
            QCoreApplication.translate(
                "ChromeImporter",
                """Chromium stores its bookmarks in the <b>Bookmarks</b>"""
                """ text file. This file is usually located in""",
            ),
            QCoreApplication.translate(
                "ChromeImporter",
                """Please choose the file to begin importing bookmarks.""",
            ),
            standardDir,
        )


class ChromeImporter(BookmarksImporter):
    """
    Class implementing the Chrome bookmarks importer.
    """

    def __init__(self, sourceId="", parent=None):
        """
        Constructor

        @param sourceId source ID (string)
        @param parent reference to the parent object (QObject)
        """
        super().__init__(sourceId, parent)

        self.__fileName = ""

    def setPath(self, path):
        """
        Public method to set the path of the bookmarks file or directory.

        @param path bookmarks file or directory (string)
        """
        self.__fileName = path

    def open(self):
        """
        Public method to open the bookmarks file.

        @return flag indicating success (boolean)
        """
        if not os.path.exists(self.__fileName):
            self._error = True
            self._errorString = self.tr("File '{0}' does not exist.").format(
                self.__fileName
            )
            return False
        return True

    def importedBookmarks(self):
        """
        Public method to get the imported bookmarks.

        @return imported bookmarks (BookmarkNode)
        """
        from ..BookmarkNode import BookmarkNode

        try:
            with open(self.__fileName, "r", encoding="utf-8") as f:
                contents = json.load(f)
        except OSError as err:
            self._error = True
            self._errorString = self.tr(
                "File '{0}' cannot be read.\nReason: {1}"
            ).format(self.__fileName, str(err))
            return None

        importRootNode = BookmarkNode(BookmarkNode.Folder)
        if contents["version"] == 1:
            self.__processRoots(contents["roots"], importRootNode)

        if self._id == "chrome":
            importRootNode.title = self.tr("Google Chrome Import")
        elif self._id == "chromium":
            importRootNode.title = self.tr("Chromium Import")
        else:
            importRootNode.title = self.tr("Imported {0}").format(
                QDate.currentDate().toString(Qt.DateFormat.SystemLocaleShortDate)
            )
        return importRootNode

    def __processRoots(self, data, rootNode):
        """
        Private method to process the bookmark roots.

        @param data dictionary with the bookmarks data (dict)
        @param rootNode node to add the bookmarks to (BookmarkNode)
        """
        for node in data.values():
            if node["type"] == "folder":
                self.__generateFolderNode(node, rootNode)
            elif node["type"] == "url":
                self.__generateUrlNode(node, rootNode)

    def __generateFolderNode(self, data, rootNode):
        """
        Private method to process a bookmarks folder.

        @param data dictionary with the bookmarks data (dict)
        @param rootNode node to add the bookmarks to (BookmarkNode)
        """
        from ..BookmarkNode import BookmarkNode

        folder = BookmarkNode(BookmarkNode.Folder, rootNode)
        folder.title = data["name"].replace("&", "&&")
        for node in data["children"]:
            if node["type"] == "folder":
                self.__generateFolderNode(node, folder)
            elif node["type"] == "url":
                self.__generateUrlNode(node, folder)

    def __generateUrlNode(self, data, rootNode):
        """
        Private method to process a bookmarks node.

        @param data dictionary with the bookmarks data (dict)
        @param rootNode node to add the bookmarks to (BookmarkNode)
        """
        from ..BookmarkNode import BookmarkNode

        bookmark = BookmarkNode(BookmarkNode.Bookmark, rootNode)
        bookmark.url = data["url"]
        bookmark.title = data["name"].replace("&", "&&")