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42 changes: 30 additions & 12 deletions example/controllers/AddController.py
View file Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2,49 +2,67 @@
from tkinter.constants import END
from models.Customers import Customers
from core.Controller import Controller

from src.utils import (
seconds_to_readable_time,
format_bytes,
format_percentage_change,
free_up_disk_space,
get_start_end_of_week_by_offset,
)

"""
Responsible for AddView behavior.
"""


class AddController(Controller):
#-----------------------------------------------------------------------
#-----------------------------------------------------------------------
# Constructor
#-----------------------------------------------------------------------
#-----------------------------------------------------------------------
def __init__(self):
self.addView = self.loadView("add")
self.customers = Customers()


#-----------------------------------------------------------------------

# -----------------------------------------------------------------------
# Methods
#-----------------------------------------------------------------------
#-----------------------------------------------------------------------
"""
Clear all fields of AddView

@param fields Fields to be cleared
"""

def btn_clear(self, fields):
for field in fields:
field.delete(0, END)

"""
Adds a new customer with field data

@param fields Fields with customer data
"""

def btn_add(self, fields):
response = self.customers.add(fields)

if response > 0:
messagebox.showinfo("Add customer", "Customer successfully added!")
else:
messagebox.showerror("Add customer", "Error while adding customer")

self.addView.close()


def test(self, fields):
getAll = self.customers.getAll()
sec = seconds_to_readable_time(1)
format_bytes(123)
format_percentage_change(1, 2)
free_up_disk_space(None)
get_start_end_of_week_by_offset(None)

"""
@Override
"""

def main(self):
self.addView.main()
self.addView.main()
106 changes: 106 additions & 0 deletions src/utils.py
View file Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,106 @@
import shutil
import os

from datetime import datetime, timedelta


def seconds_to_readable_time(seconds):
if not seconds:
return None
"""
Convert milliseconds to readable time
"""
minutes = seconds // 60
hours = minutes // 60

seconds = seconds % 60
minutes = minutes % 60

time_string = ""

if hours > 0:
time_string += f"{round(hours)}h"
if minutes > 0:
time_string += f"{round(minutes)}m"
if seconds > 0 or time_string == "":
time_string += f"{round(seconds)}s"

return time_string


def format_percentage_change(daily_value, prev_period_value):
if not daily_value or not prev_period_value:
return None
if prev_period_value == 0:
if daily_value > 0:
return "(➚100%)"
elif daily_value < 0:
return "(➘100%)"
else:
return "(≈0%)"

difference = ((daily_value - prev_period_value) / prev_period_value) * 100
if difference >= 0.1:
return f"(➚{difference:.1f}%)"
elif difference < 0:
return f"(➘{abs(difference):.1f}%)"
else:
return "(≈0%)"


def get_start_end_of_week_by_offset(week_offset) -> tuple:
if not week_offset:
return None
"""
Returns the start (Monday) and end (Sunday) dates of the week determined by a given week offset
relative to the current date.
Args:
week_offset (int): The offset (number of weeks) from the current week.
- week_offset = 0: The current week.
- week_offset = 1: The previous week.
- week_offset = -1: The next week.
Returns:
tuple: A tuple containing the start (Monday) and end (Sunday) dates of the specified week in 'YYYY-MM-DD' format.
"""
today = datetime.today()
start_of_week = (
today - timedelta(days=today.weekday()) - timedelta(weeks=week_offset)
)
end_of_week = start_of_week + timedelta(days=6)
return start_of_week, end_of_week


def free_up_disk_space(to_remove: str):
if not to_remove:
return None
print("Cleaning up...", to_remove)
try:
if os.path.isdir(to_remove):
shutil.rmtree(to_remove)
print(f"Folder {to_remove} has been removed.")
elif os.path.isfile(to_remove):
os.remove(to_remove)
print(f"File {to_remove} has been removed.")
except FileNotFoundError:
print(f"{to_remove} not found.")
except Exception as e:
print(f"An error occurred: {e}")


def format_bytes(bytes) -> str:
if not bytes:
return None

units = ["TB", "GB", "MB", "KB"]
sizes = [
1024**4, # TB
1024**3, # GB
1024**2, # MB
1024**1, # KB
]

for i in range(len(sizes)):
if bytes >= sizes[i]:
return f"{(bytes / sizes[i]):.2f} {units[i]}"

return f"{bytes} B" # For values smaller than 1 KB

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