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+#############################################################################
+##
+## Copyright (C) 2019 The Qt Company Ltd.
+## Contact: https://www.qt.io/licensing/
+##
+## This file is part of the Qt for Python project.
+##
+## $QT_BEGIN_LICENSE:LGPL$
+## Commercial License Usage
+## Licensees holding valid commercial Qt licenses may use this file in
+## accordance with the commercial license agreement provided with the
+## Software or, alternatively, in accordance with the terms contained in
+## a written agreement between you and The Qt Company. For licensing terms
+## and conditions see https://www.qt.io/terms-conditions. For further
+## information use the contact form at https://www.qt.io/contact-us.
+##
+## GNU Lesser General Public License Usage
+## Alternatively, this file may be used under the terms of the GNU Lesser
+## General Public License version 3 as published by the Free Software
+## Foundation and appearing in the file LICENSE.LGPL3 included in the
+## packaging of this file. Please review the following information to
+## ensure the GNU Lesser General Public License version 3 requirements
+## will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+##
+## GNU General Public License Usage
+## Alternatively, this file may be used under the terms of the GNU
+## General Public License version 2.0 or (at your option) the GNU General
+## Public license version 3 or any later version approved by the KDE Free
+## Qt Foundation. The licenses are as published by the Free Software
+## Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+## included in the packaging of this file. Please review the following
+## information to ensure the GNU General Public License requirements will
+## be met: https://www.gnu.org/licenses/gpl-2.0.html and
+## https://www.gnu.org/licenses/gpl-3.0.html.
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+
+import datetime
+import logging
+
+from PySide6.QtCore import Qt, Slot
+from PySide6.QtSql import QSqlDatabase, QSqlQuery, QSqlRecord, QSqlTableModel
+
+table_name = "Conversations"
+
+
+def createTable():
+ if table_name in QSqlDatabase.database().tables():
+ return
+
+ query = QSqlQuery()
+ if not query.exec_(
+ """
+ CREATE TABLE IF NOT EXISTS 'Conversations' (
+ 'author' TEXT NOT NULL,
+ 'recipient' TEXT NOT NULL,
+ 'timestamp' TEXT NOT NULL,
+ 'message' TEXT NOT NULL,
+ FOREIGN KEY('author') REFERENCES Contacts ( name ),
+ FOREIGN KEY('recipient') REFERENCES Contacts ( name )
+ )
+ """
+ ):
+ logging.error("Failed to query database")
+
+ # This adds the first message from the Bot
+ # and further development is required to make it interactive.
+ query.exec_(
+ """
+ INSERT INTO Conversations VALUES(
+ 'machine', 'Me', '2019-01-07T14:36:06', 'Hello!'
+ )
+ """
+ )
+ logging.info(query)
+
+
+class SqlConversationModel(QSqlTableModel):
+ def __init__(self, parent=None):
+ super(SqlConversationModel, self).__init__(parent)
+
+ createTable()
+ self.setTable(table_name)
+ self.setSort(2, Qt.DescendingOrder)
+ self.setEditStrategy(QSqlTableModel.OnManualSubmit)
+ self.recipient = ""
+
+ self.select()
+ logging.debug("Table was loaded successfully.")
+
+ def setRecipient(self, recipient):
+ if recipient == self.recipient:
+ pass
+
+ self.recipient = recipient
+
+ filter_str = (
+ "(recipient = '{}' AND author = 'Me') OR " "(recipient = 'Me' AND author='{}')"
+ ).format(self.recipient)
+ self.setFilter(filter_str)
+ self.select()
+
+ def data(self, index, role):
+ if role < Qt.UserRole:
+ return QSqlTableModel.data(self, index, role)
+
+ sql_record = QSqlRecord()
+ sql_record = self.record(index.row())
+
+ return sql_record.value(role - Qt.UserRole)
+
+ def roleNames(self):
+ """Converts dict to hash because that's the result expected
+ by QSqlTableModel"""
+ names = {}
+ author = "author".encode()
+ recipient = "recipient".encode()
+ timestamp = "timestamp".encode()
+ message = "message".encode()
+
+ names[hash(Qt.UserRole)] = author
+ names[hash(Qt.UserRole + 1)] = recipient
+ names[hash(Qt.UserRole + 2)] = timestamp
+ names[hash(Qt.UserRole + 3)] = message
+
+ return names
+
+ def send_message(self, recipient, message, author):
+ timestamp = datetime.datetime.now()
+
+ new_record = self.record()
+ new_record.setValue("author", author)
+ new_record.setValue("recipient", recipient)
+ new_record.setValue("timestamp", str(timestamp))
+ new_record.setValue("message", message)
+
+ logging.debug('Message: "{}" \n Received by: "{}"'.format(message, recipient))
+
+ if not self.insertRecord(self.rowCount(), new_record):
+ logging.error("Failed to send message: {}".format(self.lastError().text()))
+ return
+
+ self.submitAll()
+ self.select()