Subcategories Menus

experimental/food_subcategory.py

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+#!/usr/bin/python3
+import sys
+from PyQt5.QtWidgets import (QApplication,
+                             QWidget,
+                             QPushButton,
+                             QGridLayout,
+                             QLabel,
+                             QFrame,
+                             QGroupBox,
+                             QLineEdit,
+                             QMessageBox,
+                             QPlainTextEdit,
+                             QHBoxLayout,
+                             QVBoxLayout,
+                             QGraphicsDropShadowEffect,
+                             QGraphicsOpacityEffect)
+from PyQt5.QtGui import *
+from PyQt5.QtCore import *
+sys.path.append(r'..')
+
+class FoodSubCategory(QWidget):
+    def __init__(self):
+        super().__init__()
+        self.setWindowTitle("Food Sub Category")
+        self.setWindowIcon(QIcon(r'../img/market.png'))
+        self.setGeometry(200, 150, 1500, 700)
+        self.setMaximumWidth(1500)
+        self.setMaximumHeight(700)
+
+        """ADD CUSTOM FONT TO ARRAY READY TO BE LOADED TO ANY TEXT OBJECT"""
+        font = QFontDatabase.addApplicationFont(r'../fonts/jetbrains-mono.regular.ttf')
+        if font < 0:
+            print('Error loading fonts!')
+        fonts = QFontDatabase.applicationFontFamilies(font)
+
+        """CREATE THE USER INFO VERTICAL LAYOUT"""
+        user_info_groupbox = QGroupBox('User Information')
+        user_info_groupbox.setFont(QFont(fonts[0], 12))
+        first_name = QLabel('First Name')
+        first_name.setFont(QFont(fonts[0], 12))
+        last_name = QLabel('Last Name')
+        last_name.setFont(QFont(fonts[0], 12))
+        user_info_layout = QVBoxLayout()
+
+        user_info_layout.addWidget(first_name)
+        user_info_layout.addWidget(last_name)
+        user_info_layout.addStretch(0)
+        user_info_layout.addSpacing(100)
+        user_info_groupbox.setLayout(user_info_layout)
+
+
+        """INIT THE MAIN LAYOUT"""
+        main_layout = QGridLayout()
+        main_layout.addWidget(user_info_groupbox, 0, 0)
+
+
+        """EXAMINE BELOW TWO LINES HOW EXACTLY THEY APPLY THE LOGIC IN THE UI"""
+        main_layout.setRowStretch(1, 1)
+        main_layout.setColumnStretch(1, 1)
+        self.setLayout(main_layout)
+        self.show()
+
+
+app = QApplication(sys.argv)
+global food_subcategory_window
+food_subcategory_window = FoodSubCategory()
+food_subcategory_window.show()
+app.exec()

pyqt5-gui/main_menu_dev.py

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+#!/usr/bin/python3
+import sys
+import requests
+# Import PyQt5 Engine
+from PyQt5.QtWidgets import (QApplication,
+                             QWidget,
+                             QPushButton,
+                             QGridLayout,
+                             QLabel,
+                             QFrame,
+                             QGroupBox,
+                             QLineEdit,
+                             QMessageBox,
+                             QPlainTextEdit,
+                             QHBoxLayout,
+                             QVBoxLayout,
+                             QGraphicsDropShadowEffect,
+                             QGraphicsOpacityEffect,
+                             )
+
+from PyQt5.QtGui import *
+from PyQt5.QtCore import *
+
+sys.path.append(r'.')
+sys.path.append(r'..')
+from collections import deque
+from db_handle import postgres_conn
+import subcategories
+
+# This global variable should be modified to accept it's value dynamically, based on the cattegory button clicked
+SUBCATEGORY_NAME = 'Accessories'
+
+class MainMenu(QWidget):
+    def __init__(self):
+        super().__init__()
+        self.setWindowTitle("Main Menu")
+        self.setWindowIcon(QIcon(r'../img/market.png'))
+        self.setGeometry(200, 150, 1500, 700)
+        self.setMaximumWidth(1500)
+        self.setMaximumHeight(700)
+
+        """INIT CONNECTION TO THE DATABASE"""
+        postgres_conn.admin_client()
+
+        def food_open():
+            print("I am eating some food")
+
+        def books_open():
+            print("I am reading books")
+
+        def drinks_open():
+            print("I am drinking some drinks")
+
+        def accessories_open():
+            print("Accessories")
+            global SUBCATEGORY_NAME
+            SUBCATEGORY_NAME = 'Accessories'
+            open_subcategories()
+
+        def homeandliving_open():
+            print("Home and Living")
+
+        def hair_open():
+            print("Hair")
+
+        def sports_open():
+            print("Sports")
+
+        def beachwear_open():
+            print("Beachwear")
+
+        def shoes_open():
+            print("Shoes")
+
+        def electronics_open():
+            print("Electronics")
+
+        def cosmetics_open():
+            print("Cosmetics")
+
+        def clothes_open():
+            print("Clothes")
+
+        functions_dict = {
+            'food_open': lambda: food_open(),
+            'books_open': lambda: books_open(),
+            'drinks_open': lambda: drinks_open(),
+            'accessories_open': lambda: accessories_open(),
+            'homeandliving_open': lambda: homeandliving_open(),
+            'hair_open': lambda: hair_open(),
+            'sports_open': lambda: sports_open(),
+            'beachwear_open': lambda: beachwear_open(),
+            'shoes_open': lambda: shoes_open(),
+            'electronics_open': lambda: electronics_open(),
+            'cosmetics_open': lambda: cosmetics_open(),
+            'clothes_open': lambda: clothes_open(),
+        }
+
+        """ADD CUSTOM FONT TO ARRAY READY TO BE LOADED TO ANY TEXT OBJECT"""
+        font = QFontDatabase.addApplicationFont(r'../fonts/jetbrains-mono.regular.ttf')
+        if font < 0:
+            print('Error loading fonts!')
+        fonts = QFontDatabase.applicationFontFamilies(font)
+
+        """CREATE THE USER INFO VERTICAL LAYOUT"""
+        user_info_groupbox = QGroupBox('User Information')
+        postgres_conn.POSTGRES_CURSOR.execute("SELECT current_user;")
+        current_user = postgres_conn.POSTGRES_CURSOR.fetchone()
+        # The query below should be modified once we implement the main_menu window with rest of the application. WHERE username = {current_user}
+        postgres_conn.POSTGRES_CURSOR.execute(
+            f"SELECT customer_id, first_name, last_name, total_orders FROM customers WHERE username = 'pesho'")
+        user_info = postgres_conn.POSTGRES_CURSOR.fetchone()
+
+        user_name = QLabel(f"Hello, {user_info[1]} {user_info[2]}")
+        user_name.setFont(QFont(fonts[0], 12))
+
+        user_id = QLabel(f"Your ID is {user_info[0]}")
+        user_id.setFont(QFont(fonts[0], 12))
+        user_info_layout = QVBoxLayout()
+
+        user_total_orders = QLabel(f"Total orders: {user_info[3]}")
+        user_total_orders.setFont(QFont(fonts[0], 12))
+
+        user_info_layout.addWidget(user_name)
+        user_info_layout.addWidget(user_id)
+        user_info_layout.addWidget(user_total_orders)
+        user_info_layout.addStretch(0)
+        user_info_layout.addSpacing(100)
+        user_info_groupbox.setLayout(user_info_layout)
+
+        """CREATE THE LEFT BUTTONS LAYOUT"""
+        left_buttons_groupbox = QGroupBox('User Actions')
+        left_buttons_layout = QVBoxLayout()
+
+        buttons_text = deque(['Edit Account', 'View My Orders', 'Payment Options', 'Fourth', 'Fifth'])
+        while buttons_text:
+            button = QPushButton()
+            button.setText(buttons_text.popleft())
+            button.setFont(QFont(fonts[0], 12))
+            button.setFixedWidth(250)
+            button.setFixedHeight(30)
+            # button.setStyleSheet("background-color: rgb(51, 153, 255)")
+            left_buttons_layout.addWidget(button)
+
+        left_buttons_layout.addStretch(0)
+        left_buttons_layout.addSpacing(100)
+        left_buttons_groupbox.setLayout(left_buttons_layout)
+
+        """CREATE THE TOP LAYOUT"""
+        top_buttons_groupbox = QGroupBox("Top menu")
+        top_buttons_layout = QHBoxLayout()
+
+        favourites_button = QPushButton()
+        favourites_button.setText("Favourites")
+        favourites_button.setFont(QFont(fonts[0], 9))
+        favourites_button.setFixedWidth(120)
+        favourites_button.setFixedHeight(23)
+
+        log_out_button = QPushButton()
+        log_out_button.setText("Log Out")
+        log_out_button.setFont(QFont(fonts[0], 9))
+        log_out_button.setFixedWidth(100)
+        log_out_button.setFixedHeight(23)
+
+        top_buttons_layout.addStretch(0)
+        top_buttons_layout.addSpacing(1000)
+
+        top_buttons_layout.addWidget(favourites_button)
+        top_buttons_layout.addWidget(log_out_button)
+
+        top_buttons_groupbox.setLayout(top_buttons_layout)
+
+        """CREATE THE CATEGORIES LAYOUT"""
+        categories_groupbox = QGroupBox("Categories")
+
+        categories_grid_layout = QGridLayout()
+
+        postgres_conn.POSTGRES_CURSOR.execute(
+            f"SELECT category_name, category_description, category_function, image_url FROM categories ORDER BY category_name ASC;")
+        result = postgres_conn.POSTGRES_CURSOR.fetchmany(12)
+        categories = deque([x[0] for x in result[0:12]])
+        categories_description = deque([x[1] for x in result[0:12]])
+        categories_functions = deque([x[2] for x in result[0:12]])
+
+        for row in range(3):
+            for col in range(4):
+                if categories:
+                    current_groupbox = QGroupBox()
+                    current_groupbox.setStyleSheet("border: 2px solid red")
+                    current_groupbox.setMaximumWidth(300)
+
+                    current_vertical_layout = QVBoxLayout()
+
+                    category_name = QLabel(categories.popleft())
+                    category_name.setFont(QFont(fonts[0], 9))
+                    cat_name_shadow_effect = QGraphicsDropShadowEffect()
+                    cat_name_shadow_effect.setBlurRadius(2)
+                    cat_name_shadow_effect.setOffset(1, 1)
+                    cat_name_shadow_effect.setColor(QColor("blue"))
+                    category_name.setGraphicsEffect(cat_name_shadow_effect)
+                    category_name.setAlignment(Qt.AlignCenter)
+                    category_name.setStyleSheet("background-color: rgba(255, 255, 255, 255);" \
+                                                "border-radius: 10px;")
+
+                    image = f"../img/categories/{category_name.text()}.png"
+                    groupbox_stylesheet = f"QGroupBox {{ background-image: url({image});" \
+                                          f"border-radius: 10px;" \
+                                          f"}}"
+                    current_groupbox.setStyleSheet(groupbox_stylesheet)
+
+                    category_description = QLabel("background-color: #FFFAFF;")
+                    category_description.setText(f"{categories_description.popleft()}")
+                    category_description.setFont(QFont(fonts[0], 11))
+                    category_description.setStyleSheet("color: rgb(0, 0, 0);")
+                    cat_desc_shadow_effect = QGraphicsDropShadowEffect()
+                    cat_desc_shadow_effect.setBlurRadius(2)
+                    cat_desc_shadow_effect.setOffset(2, 1)
+                    cat_desc_shadow_effect.setColor(QColor("white"))
+                    category_description.setGraphicsEffect(cat_desc_shadow_effect)
+
+                    category_button = QPushButton()
+                    category_button.setText(category_name.text())
+                    category_button.setFont(QFont(fonts[0], 11))
+                    category_button.setMaximumWidth(150)
+                    # get_button_name(category_button)
+
+                    current_function_name = categories_functions.popleft() + "_open"
+                    print(current_function_name)
+                    category_button.clicked.connect(functions_dict[current_function_name])
+
+                    # current_vertical_layout.addWidget(category_name)
+                    # current_vertical_layout.addWidget(category_description)
+                    current_vertical_layout.addWidget(category_button)
+
+                    current_groupbox.setLayout(current_vertical_layout)
+                    categories_grid_layout.addWidget(current_groupbox, row, col)
+
+        categories_groupbox.setLayout(categories_grid_layout)
+
+        """INIT THE MAIN LAYOUT"""
+        main_layout = QGridLayout()
+        main_layout.addWidget(user_info_groupbox, 0, 0)
+        main_layout.addWidget(left_buttons_groupbox, 1, 0)
+        main_layout.addWidget(top_buttons_groupbox, 0, 1)
+        main_layout.addWidget(categories_groupbox, 1, 1)
+
+        """EXAMINE BELOW TWO LINES HOW EXACTLY THEY APPLY THE LOGIC IN THE UI"""
+        main_layout.setRowStretch(1, 1)
+        main_layout.setColumnStretch(1, 1)
+        self.setLayout(main_layout)
+        self.show()
+
+        def open_subcategories():
+            subcategories.start_window()
+            main_window.hide()
+
+def open_app():
+    app = QApplication(sys.argv)
+    global main_window
+    main_window = MainMenu()
+    main_window.show()
+    app.exec()
+
+
+if __name__ == '__main__':
+    open_app()