messenger-python/clientui.py at master · Chepa14/messenger-python · GitHub

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from datetime import datetime

import requests
from PyQt5 import QtCore, QtGui, QtWidgets


class Ui_MainWindow(QtWidgets.QMainWindow):
    def __init__(self, url):
        super().__init__()
        self.setupUi(self)
        self.url = url
        self.pushButton.pressed.connect(self.send_message)
        self.after = 0
        self.timer = QtCore.QTimer()
        self.timer.timeout.connect(self.get_messages)
        self.timer.start(1000)

    def send_message(self):
        name = self.lineEdit.text()
        text = self.textEdit.toPlainText()
        try:
            response = requests.post(
                self.url + '/send',
                json={
                    'name': name,
                    'text': text
                }
            )
        except:
            self.textBrowser.append('Server error')
            self.textBrowser.append('')
            print('Server error')
            return
        if response.status_code != 200:
            self.textBrowser.append('Incorrect input error')
            self.textBrowser.append('')
            print('Incorrect input error')
            return

        self.textEdit.clear()

    def print_message(self, message):
        t = message['time']
        dt = datetime.fromtimestamp(t).strftime('%H:%M:%S')
        self.textBrowser.append(dt + ' ' + message['name'])
        self.textBrowser.append(message['text'])
        self.textBrowser.append('')

    def get_messages(self):
        try:
            response = requests.get(
                self.url + '/messages',
                params={'after': self.after}
            )
            messages = response.json()['messages']
            for message in messages:
                self.print_message(message)
                self.after = message['time']
        except:
            return

    def setupUi(self, MainWindow):
        MainWindow.setObjectName("MainWindow")
        MainWindow.resize(495, 600)
        self.centralwidget = QtWidgets.QWidget(MainWindow)
        self.centralwidget.setObjectName("centralwidget")
        self.pushButton = QtWidgets.QPushButton(self.centralwidget)
        self.pushButton.setGeometry(QtCore.QRect(370, 500, 101, 31))
        font = QtGui.QFont()
        font.setFamily("Onyx")
        font.setPointSize(16)
        self.pushButton.setFont(font)
        self.pushButton.setObjectName("pushButton")
        self.textEdit = QtWidgets.QTextEdit(self.centralwidget)
        self.textEdit.setGeometry(QtCore.QRect(50, 500, 301, 31))
        self.textEdit.setObjectName("textEdit")
        font1 = QtGui.QFont()
        font1.setPointSize(13)
        self.textEdit.setFont(font1)
        self.textBrowser = QtWidgets.QTextBrowser(self.centralwidget)
        self.textBrowser.setGeometry(QtCore.QRect(50, 60, 411, 421))
        self.textBrowser.setFont(font1)
        self.textBrowser.setObjectName("textBrowser")
        self.label = QtWidgets.QLabel(self.centralwidget)
        self.label.setGeometry(QtCore.QRect(50, 10, 101, 41))
        font = QtGui.QFont()
        font.setFamily("Onyx")
        font.setPointSize(28)
        self.label.setFont(font)
        self.label.setAlignment(QtCore.Qt.AlignCenter)
        self.label.setObjectName("label")
        self.lineEdit = QtWidgets.QLineEdit(self.centralwidget)
        self.lineEdit.setGeometry(QtCore.QRect(360, 30, 113, 20))
        self.lineEdit.setObjectName("lineEdit")
        self.lineEdit.setFont(font1)
        self.label_2 = QtWidgets.QLabel(self.centralwidget)
        self.label_2.setGeometry(QtCore.QRect(320, 20, 31, 31))
        font = QtGui.QFont()
        font.setFamily("Onyx")
        font.setPointSize(16)
        font.setUnderline(True)
        self.label_2.setFont(font)
        self.label_2.setAlignment(QtCore.Qt.AlignLeading|QtCore.Qt.AlignLeft|QtCore.Qt.AlignVCenter)
        self.label_2.setObjectName("label_2")
        MainWindow.setCentralWidget(self.centralwidget)
        self.menubar = QtWidgets.QMenuBar(MainWindow)
        self.menubar.setGeometry(QtCore.QRect(0, 0, 495, 21))
        self.menubar.setObjectName("menubar")
        MainWindow.setMenuBar(self.menubar)
        self.statusbar = QtWidgets.QStatusBar(MainWindow)
        self.statusbar.setObjectName("statusbar")
        MainWindow.setStatusBar(self.statusbar)

        self.retranslateUi(MainWindow)
        QtCore.QMetaObject.connectSlotsByName(MainWindow)

    def retranslateUi(self, MainWindow):
        _translate = QtCore.QCoreApplication.translate
        MainWindow.setWindowTitle(_translate("MainWindow", "MainWindow"))
        self.pushButton.setText(_translate("MainWindow", "Send"))
        self.textEdit.setPlaceholderText(_translate("MainWindow", "Write a message..."))
        self.label.setText(_translate("MainWindow", "Messenger"))
        self.label_2.setText(_translate("MainWindow", "Name:"))


app = QtWidgets.QApplication([])
# my local server - http://127.0.0.1:5000
window = Ui_MainWindow('http://57e5c0b0c7d6.ngrok.io')
window.show()
app.exec()