Amaliy ish-5 Bajardi: Tohirov Shahzod

O‘ZBEKISTON RESPUBLIKASI AXBOROT TEXNOLOGIYALARI VA
KOMMUNIKATSIYALARINI RIVOJLANTIRISH VAZIRLIGI
MUHAMMAD AL-XORAZMIY NOMIDAGI
TOSHKENT AXBOROT TEXNOLOGIYALARI UNIVERSITETI

Ma’lumotlar Bazasi fanidan

AMALIY ISH-5

Bajardi: Tohirov Shahzod

from tkinter import *

from tkinter import ttk
from tkinter.messagebox import showinfo, askyesnocancel, showerror
import sqlite3

connection = sqlite3.connect("EncryptDatabase.db")

connection.cursor().execute(
"""
CREATE TABLE IF NOT EXISTS "Base" (
"id" INTEGER,
"fullname" TEXT NOT NULL, "email"TEXT NOT NULL UNIQUE, "text_input" TEXT NOT NULL, PRIMARY KEY("id")
);
"""
)
connection.commit()

def encrypt(word: str, hint: str) -> str:

data = ""
for i in word:
if hint == "+":
data += chr(ord(i) + 5)
elif hint == "-":
data += chr(ord(i) - 5)
return data

root = Tk()

root.config(bg='lime')
root.title("Encrypt Application")
root.config(bg="#B5BAB3")
root.resizable(False, False)
root.geometry("750x380")
LabelFrame(text="Forms").place(x=10, y=10, width=730, height=250)

# FUNCTIONS ________________________

def insert_data():
try:
cursor = connection.cursor()
cursor.execute(
"INSERT INTO Base (fullname, email, text_input) VALUES (?, ?, ?)",
(
encrypt(fullname.get(), "+"), encrypt(email.get(), "+"),
encrypt(main_input.get("1.0", END), "+")
)
)
connection.commit()
except Exception as error:
showerror("Error", str(error))
except sqlite3.IntegrityError as int_error:
showerror("Database Error", str(int_error))
else:
showinfo("Success!", "Your request has been successfully inserted to database!!!")

def show_data():

ask = askyesnocancel("Permission", "Do you want to extract data from encrypting?")
try:
cursor = connection.cursor()
data = cursor.execute("""SELECT * FROM Base""")
lst_of_data = data.fetchall()
toplevel = Toplevel()
toplevel.geometry("450x300")
for j in lst_of_data:
if ask:
data = f"""fullname: {encrypt(word=j[1], hint='-')}\n
email: {encrypt(word=j[2], hint='-')}\ntext: {encrypt(word=j[3], hint='-')}"""
else:
data = f"""fullname: {j[1]}\nemail: {j[2],}\ntext: {j[3]}"""
Label(toplevel, text=data).pack()
toplevel.mainloop()
except sqlite3.IntegrityError as error:
showerror("Exception", str(error))
except ValueError:
showerror("ValueError", "Nothing entered to reverse field!")

def delete_data():

try:
cursor = connection.cursor()
try:
fetch = cursor.execute("""SELECT id FROM Base WHERE id=(?)""", (id_to_delete.get(),)).fetchall()[0][0]
cursor.execute("""DELETE FROM Base WHERE id=(?)""", (fetch,))
connection.commit()
showinfo("Success!", "Data has beem deleted successfully!!!")
except IndexError:
showerror("IdError", f"There is no data with id {id_to_delete.get()}")
except Exception as error:
showerror("Database error", str(error))

# END OF FUNCTIONS _____________________

form_frame = Frame(root)

form_frame.place(x=20, y=30, width=350)

Label(form_frame, text="Tuman nomini kiriting").pack()
fullname = ttk.Entry(form_frame)
fullname.pack(fill=X, ipady=6)
Label(form_frame).pack()

Label(form_frame, text="Tumanning rasmiy veb sahifasi").pack()

email = ttk.Entry(form_frame)
email.pack(fill=X, ipady=6)
Label(form_frame).pack()

Label(form_frame, text="Maktablar sonini kiriting").pack()

id_to_delete = ttk.Entry(form_frame)
id_to_delete.pack(fill=X, ipady=6)
Label(form_frame).pack()

text_frame = Frame(master=root)

text_frame.place(x=390, y=30, width=340, height=210)

Label(text_frame, text="Info").pack(fill=X)

main_input = Text(text_frame)
main_input.pack(fill=X)

button_frame = LabelFrame(root)

button_frame.config(bg="#B5BAB3")
button_frame.place(x=10, y=275, width=730, height=70)

btn_insert = Button(button_frame, text="INSERT", command=insert_data)

btn_insert.pack(side=LEFT, fill=Y, ipadx=70)

btn_insert = Button(button_frame, text="DELETE", command=delete_data)

btn_insert.pack(side=RIGHT, fill=Y, ipadx=70)

btn_show = Button(button_frame, text="SHOW DATA", command=show_data)

btn_show.pack(side=TOP, fill=Y, ipadx=70, ipady=70)
mainloop()