add crud app pyqt5 tutorial

Author: x4nth055

README.md

@@ -289,6 +289,7 @@ This is a repository of all the tutorials of [The Python Code](https://www.thepy
     - [How to Make a Real-Time GUI Spelling Checker in Python](https://www.thepythoncode.com/article/make-a-realtime-spelling-checker-gui-python). ([code](gui-programming/realtime-spelling-checker))
     - [How to Build a GUI Language Translator App in Python](https://www.thepythoncode.com/article/build-a-gui-language-translator-tkinter-python). ([code](gui-programming/gui-language-translator))
     - [How to Make an Image Editor in Python](https://www.thepythoncode.com/article/make-an-image-editor-in-tkinter-python). ([code](gui-programming/image-editor))
+    - [How to Build a CRUD App with PyQt5 and SQLite3 in Python](https://thepythoncode.com/article/build-a-crud-app-using-pyqt5-and-sqlite3-in-python). ([code](gui-programming/crud-app-pyqt5))
 
 - ### [Game Development](https://www.thepythoncode.com/topic/game-development)
     - [How to Make a Button using PyGame in Python](https://www.thepythoncode.com/article/make-a-button-using-pygame-in-python). ([code](gui-programming/button-in-pygame))

gui-programming/crud-app-pyqt5/README.md

@@ -0,0 +1 @@
+# [How to Build a CRUD App with PyQt5 and SQLite3 in Python](https://thepythoncode.com/article/build-a-crud-app-using-pyqt5-and-sqlite3-in-python)

gui-programming/crud-app-pyqt5/db.py

@@ -0,0 +1,72 @@
+import sqlite3
+import datetime
+
+
+def create_table():
+    db = sqlite3.connect('database.db')
+    query = """
+    CREATE TABLE if not exists BOOKS
+    (ID INTEGER PRIMARY KEY AUTOINCREMENT,
+    NAME TEXT NOT NULL,
+    CREATED_AT DATETIME default current_timestamp,
+    COMPLETED_AT DATATIME 
+    )
+    """
+    cur = db.cursor()
+    cur.execute(query)
+    db.close()
+
+
+create_table()
+
+
+def insert_book(name,  completed_at):
+    db = sqlite3.connect('database.db')
+    query = """
+    INSERT INTO BOOKS(NAME, COMPLETED_AT)
+
+    VALUES (?,?)
+    """
+
+    cur = db.cursor()
+    cur.execute(query, (name, completed_at))
+    db.commit()
+    db.close()
+    print('completed')
+
+
+def get_all_books():
+    db = sqlite3.connect('database.db')
+    statement = 'SELECT id, name, completed_at FROM BOOKS'
+    cur = db.cursor()
+    items_io = cur.execute(statement)
+    item_lst = [i for i in items_io]
+    return item_lst
+
+
+# insert_book('Time, fast or slow', datetime.datetime.now())
+
+def add_book(self):
+    title = self.title_input.text()
+    if title:
+        cursor.execute("INSERT INTO books (title) VALUES (?)", (title,))
+        conn.commit()
+        self.title_input.clear()
+        self.load_books()
+
+
+def delete_book(book_id):
+    # Connect to the SQLite database
+    db = sqlite3.connect('database.db')
+
+    # Define the SQL query to delete a book with a specific ID
+    query = "DELETE FROM books WHERE id = ?"
+
+    # Execute the query with the provided book ID as a parameter
+    db.execute(query, (book_id,))
+
+    # Commit the changes to the database
+    db.commit()
+
+    # Close the database connection
+    db.close()

gui-programming/crud-app-pyqt5/main.py

@@ -0,0 +1,128 @@
+from PyQt5.QtWidgets import (QApplication, QMainWindow, QVBoxLayout, QScrollArea,
+                             QLineEdit, QFormLayout, QHBoxLayout, QFrame, QDateEdit,
+                             QPushButton, QLabel, QListWidget, QDialog, QAction, QToolBar)
+from PyQt5.QtCore import Qt
+
+from datetime import datetime
+from db import (get_all_books, create_table, insert_book, delete_book)
+
+
+class CreateRecord(QFrame):
+    def __init__(self, main_window):
+        super().__init__()
+        self.main_window = main_window  # Pass a reference to the main window
+
+        self.date_entry = QDateEdit()
+        self.book_name = QLineEdit()
+        self.book_name.setPlaceholderText('Book name')
+        self.add_button = QPushButton(text="Add Book")
+        # Connect the button to add_book function
+        self.add_button.clicked.connect(self.add_book)
+
+        layout = QVBoxLayout(self)
+        layout.addWidget(QLabel('Book Name:'))
+        layout.addWidget(self.book_name)
+        layout.addWidget(QLabel('Completed Date:'))
+        layout.addWidget(self.date_entry)
+        layout.addWidget(self.add_button)
+
+    def add_book(self):
+        book_name = self.book_name.text()
+        completed_date = self.date_entry.date().toString("yyyy-MM-dd")
+
+        if book_name:
+            insert_book(book_name, completed_date)
+            # Reload the book collection after adding a book
+            self.main_window.load_collection()
+            self.book_name.clear()  # Clear the input field
+
+
+class BookCard(QFrame):
+    def __init__(self, book_id, bookname, completed_date):
+        super().__init__()
+        self.setStyleSheet(
+            'background:white; border-radius:4px; color:black;'
+        )
+        self.setFixedHeight(110)
+        self.book_id = book_id
+        layout = QVBoxLayout()
+        label = QLabel(f'<strong>{bookname}</strong>')
+
+        # Update the format string here
+        parsed_datetime = datetime.strptime(completed_date, "%Y-%m-%d")
+        formatted_datetime = parsed_datetime.strftime("%Y-%m-%d")
+
+        date_completed = QLabel(f"Completed {formatted_datetime}")
+        delete_button = QPushButton(
+            text='Delete', clicked=self.delete_book_click)
+        # delete_button.setFixedWidth(60)
+        delete_button.setStyleSheet('background:red; padding:4px;')
+
+        layout.addWidget(label)
+        layout.addWidget(date_completed)
+        layout.addWidget(delete_button)
+        layout.addStretch()
+        self.setLayout(layout)
+
+    def delete_book_click(self):
+        delete_book(self.book_id)
+        self.close()
+
+
+class Main(QMainWindow):
+    def __init__(self):
+        super().__init__()
+        self.initUI()
+        self.load_collection()
+
+    def initUI(self):
+        self.main_frame = QFrame()
+        self.main_layout = QVBoxLayout(self.main_frame)
+
+        # add register widget
+        # Pass a reference to the main window
+        self.register_widget = CreateRecord(self)
+        self.main_layout.addWidget(self.register_widget)
+
+        books_label = QLabel('Completed Books')
+        books_label.setStyleSheet('font-size:18px;')
+        self.main_layout.addWidget(books_label)
+        self.book_collection_area()
+
+        self.setCentralWidget(self.main_frame)
+
+    def book_collection_area(self):
+        scroll_frame = QFrame()
+        self.book_collection_layout = QVBoxLayout(scroll_frame)
+
+        scroll = QScrollArea()
+        scroll.setWidgetResizable(True)
+        scroll.setWidget(scroll_frame)
+        scroll.setStyleSheet('QScrollArea{border:0px}')
+
+        self.book_collection_layout.addStretch()
+        self.main_layout.addWidget(scroll)
+
+    def load_collection(self):
+        # Clear existing book cards before reloading
+        for i in reversed(range(self.book_collection_layout.count())):
+            widget = self.book_collection_layout.itemAt(i).widget()
+            if widget is not None:
+                widget.deleteLater()
+
+        collections = get_all_books()
+        for collection in collections:
+            frame = BookCard(*collection)
+            self.book_collection_layout.insertWidget(0, frame)
+
+
+def main():
+    app = QApplication([])
+    app.setStyle('fusion')
+    win = Main()
+    win.show()
+    app.exec_()
+
+
+if __name__ == '__main__':
+    main()

gui-programming/crud-app-pyqt5/requirements.txt

@@ -0,0 +1 @@
+pyqt5