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_helpers/utils.py

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+import datetime
+import os
+import uuid
+
+from django.core.validators import RegexValidator
+from django.utils import timezone
+from django.utils.text import slugify
+
+from . import jalali
+
+__jmonths = [
+    "فروردین", "اردیبهشت", "خرداد",
+    "تیر", "مرداد", "شهریور",
+    "مهر", "آبان", "آذر",
+    "دی", "بهمن", "اسفند",
+]
+
+
+def persian_numbers_converter(mystr):
+    numbers = {
+        "0": "۰",
+        "1": "۱",
+        "2": "۲",
+        "3": "۳",
+        "4": "۴",
+        "5": "۵",
+        "6": "۶",
+        "7": "۷",
+        "8": "۸",
+        "9": "۹",
+    }
+
+    for e, p in numbers.items():
+        mystr = mystr.replace(e, p)
+
+    return mystr
+
+
+def jalali_converter(time):
+    try:
+        time = timezone.localtime(time)
+    except:
+        time = time
+
+    time_to_str = "{},{},{}".format(time.year, time.month, time.day)
+    time_to_tuple = jalali.Gregorian(time_to_str).persian_tuple()
+    time_to_list = list(time_to_tuple)
+
+    for index, month in enumerate(__jmonths):
+        if time_to_list[1] == index + 1:
+            time_to_list[1] = month
+            break
+
+    output = "{} {} {}, ساعت {}:{}".format(
+        time_to_list[2],
+        time_to_list[1],
+        time_to_list[0],
+        time.hour,
+        time.minute,
+    )
+    return persian_numbers_converter(output)
+
+
+def get_client_ip(request):
+    x_forwarded_for = request.META.get('HTTP_X_FORWARDED_FOR')
+    if x_forwarded_for:
+        ip = x_forwarded_for.split(',')[0]
+    else:
+        ip = request.META.get('REMOTE_ADDR')
+    return ip
+
+
+def jalali_converter21(time):
+    time = timezone.localtime(time)
+
+    year, month, day = jalali.Gregorian(time.strftime("%Y-%m-%d")).persian_tuple()[:3]
+    hour, minute = time.strftime("%H:%M").split(':')
+
+    return f"{day} {__jmonths[month - 1]} {year}, ساعت {hour}:{minute}"
+
+
+def jalali_converter2(time):
+    try:
+        time = timezone.localdate(time)
+    except:
+        time = time
+
+    time_to_str = "{},{},{}".format(time.year, time.month, time.day)
+    time_to_tuple = jalali.Gregorian(time_to_str).persian_tuple()
+    time_to_list = list(time_to_tuple)
+
+    for index, month in enumerate(__jmonths):
+        if time_to_list[1] == index + 1:
+            time_to_list[1] = month
+            break
+
+    output = "{} {} {}".format(
+        time_to_list[2],
+        time_to_list[1],
+        time_to_list[0],
+    )
+    return persian_numbers_converter(output)
+
+
+def gregorian_converter(time):
+    time_to_list = time.split('/')
+    time_to_str = "{},{},{}".format(time_to_list[0], time_to_list[1], time_to_list[2])
+    return jalali.Persian(time_to_str).gregorian_string()
+
+
+def get_client_ip(request):
+    x_forwarded_for = request.META.get('HTTP_X_FORWARDED_FOR')
+    if x_forwarded_for:
+        ip = x_forwarded_for.split(',')[0]
+    else:
+        ip = request.META.get('REMOTE_ADDR')
+    return ip
+
+
+def persian_converter(time):
+    time = time + datetime.timedelta(days=1)
+    time_to_str = "{},{},{}".format(time.year, time.month, time.day)
+    time_to_tuple = jalali.Gregorian(time_to_str).persian_tuple()
+    time_to_list = list(time_to_tuple)
+    return time_to_list
+
+
+def persian_converter2(time):
+    time_to_str = "{},{},{}".format(time.year, time.month, time.day)
+    time_to_tuple = jalali.Gregorian(time_to_str).persian_tuple()
+    time_to_list = list(time_to_tuple)
+
+    for index, month in enumerate(__jmonths):
+        if time_to_list[1] == index + 1:
+            time_to_list[1] = month
+            break
+
+    output = "{} {} {}".format(
+        time_to_list[2],
+        time_to_list[1],
+        time_to_list[0],
+    )
+    return persian_numbers_converter(output)
+
+
+def persian_converter3(time):
+    time = time + datetime.timedelta(days=1)
+    time_to_str = "{},{},{}".format(time.year, time.month, time.day)
+    time_to_tuple = jalali.Gregorian(time_to_str).persian_tuple()
+    time_to_list = list(time_to_tuple)
+    time_to_list = [str(item) for item in time_to_list]
+    return '/'.join(time_to_list)
+
+
+def delete_file(path):
+    """ Deletes file from filesystem. """
+    if os.path.isfile(path):
+        os.remove(path)
+
+
+def get_phone_number_validator():
+    return RegexValidator(
+        regex=r'^[0]{1}[9]{1}[0-9]{9}',
+        message='مقدار وارد شده صحیح نمی‌باشد',
+    )
+
+
+def generate_unique_slug(text: str) -> str:
+    """
+    Generates a unique slug from received text
+    """
+    slug = slugify(text)
+    unique_id = str(uuid.uuid4())[:8]
+    unique_slug = f"{slug}-{unique_id}"
+
+    return unique_slug
+
+
+def normalize_size(size: int) -> str:
+    """
+    Normalizes file or volume sizes and returns it with the proper suffix,
+    showing the decimal only if it's non-zero.
+    """
+    size = float(size)
+    if size < 1024:
+        return f"{int(size)} B" if size.is_integer() else f"{size:.1f} B"
+    elif size < 1024 * 1024:
+        size_kb = size / 1024
+        return f"{int(size_kb)} KB" if size_kb.is_integer() else f"{size_kb:.1f} KB"
+    elif size < 1024 * 1024 * 1024:
+        size_mb = size / (1024 * 1024)
+        return f"{int(size_mb)} MB" if size_mb.is_integer() else f"{size_mb:.1f} MB"
+    else:
+        size_gb = size / (1024 * 1024 * 1024)
+        return f"{int(size_gb)} GB" if size_gb.is_integer() else f"{size_gb:.1f} GB"