Files
ihrm/project/methods.py

240 lines
6.7 KiB
Python

import random
from django.contrib import messages
from django.core.paginator import Paginator
from django.http import HttpResponse, HttpResponseRedirect
from django.shortcuts import render
from base.methods import get_pagination, get_subordinates
from employee.models import Employee
from project.models import Project, Task, TimeSheet
decorator_with_arguments = (
lambda decorator: lambda *args, **kwargs: lambda func: decorator(
func, *args, **kwargs
)
)
def strtime_seconds(time):
"""
this method is used to reconvert time in H:M formate string back to seconds and return it
args:
time : time in H:M format
"""
ftr = [3600, 60, 1]
return sum(a * b for a, b in zip(ftr, map(int, time.split(":"))))
def paginator_qry(qryset, page_number):
"""
This method is used to generate common paginator limit.
"""
paginator = Paginator(qryset, get_pagination())
qryset = paginator.get_page(page_number)
return qryset
def random_color_generator():
r = random.randint(0, 255)
g = random.randint(0, 255)
b = random.randint(0, 255)
if r == g or g == b or b == r:
random_color_generator()
return f"rgba({r}, {g}, {b} , 0.7)"
# color_palette=[]
# Function to generate distinct colors for each project
def generate_colors(num_colors):
# Define a color palette with distinct colors
color_palette = [
"rgba(255, 99, 132, 1)", # Red
"rgba(54, 162, 235, 1)", # Blue
"rgba(255, 206, 86, 1)", # Yellow
"rgba(75, 192, 192, 1)", # Green
"rgba(153, 102, 255, 1)", # Purple
"rgba(255, 159, 64, 1)", # Orange
]
if num_colors > len(color_palette):
for i in range(num_colors - len(color_palette)):
color_palette.append(random_color_generator())
colors = []
for i in range(num_colors):
# color=random_color_generator()
colors.append(color_palette[i % len(color_palette)])
return colors
def any_project_manager(user):
employee = user.employee_get
if employee.project_managers.all().exists():
return True
else:
return False
def any_project_member(user):
employee = user.employee_get
if employee.project_members.all().exists():
return True
else:
return False
def any_task_manager(user):
employee = user.employee_get
if employee.task_set.all().exists():
return True
else:
return False
def any_task_member(user):
employee = user.employee_get
if employee.tasks.all().exists():
return True
else:
return False
@decorator_with_arguments
def is_projectmanager_or_member_or_perms(function, perm):
def _function(request, *args, **kwargs):
"""
This method is used to check the employee is project manager or not
"""
user = request.user
if (
user.has_perm(perm)
or any_project_manager(user)
or any_project_member(user)
or any_task_manager(user)
or any_task_member(user)
):
return function(request, *args, **kwargs)
messages.info(request, "You don't have permission.")
return HttpResponseRedirect(request.META.get("HTTP_REFERER", "/"))
return _function
def is_task_member(request, task_id):
"""
This method is used to check the employee is task member or not
"""
if (
request.user.has_perm("project.change_task")
or request.user.employee_get in Task.objects.get(id=task_id).task_managers.all()
or request.user.employee_get in Task.objects.get(id=task_id).task_members.all()
):
return True
return False
def is_task_manager(request, task_id):
"""
This method is used to check the employee is task member or not
"""
if (
request.user.has_perm("project.delete_task")
or request.user.employee_get in Task.objects.get(id=task_id).task_managers.all()
):
return True
return False
def time_sheet_update_permissions(request, time_sheet_id):
if (
request.user.has_perm("project.change_timesheet")
or request.user.employee_get
== TimeSheet.objects.get(id=time_sheet_id).employee_id
or TimeSheet.objects.get(id=time_sheet_id).employee_id
in Employee.objects.filter(
employee_work_info__reporting_manager_id=request.user.employee_get
)
):
return True
else:
return False
def time_sheet_delete_permissions(request, time_sheet_id):
employee = request.user.employee_get
timesheet = TimeSheet.objects.filter(id=time_sheet_id).first()
if (
request.user.has_perm("project.delete_timesheet")
or timesheet.employee_id == employee
or employee in timesheet.task_id.task_managers.all()
or employee in timesheet.task_id.project.managers.all()
):
return True
else:
return False
def get_all_project_members_and_managers():
all_projects = Project.objects.all()
all_tasks = Task.objects.all()
all_ids = set()
for project in all_projects:
all_ids.update(
manager.id for manager in project.managers.all()
) # Add manager ID
all_ids.update(member.id for member in project.members.all()) # Add member IDs
for task in all_tasks:
all_ids.update(
task_manager.id for task_manager in task.task_managers.all()
) # Add task manager ID
all_ids.update(
task_member.id for task_member in task.task_members.all()
) # Add task member IDs
# Return a single queryset for all employees
return Employee.objects.filter(id__in=all_ids)
def has_subordinates(request):
"""
used to check whether the project contain users subordinates or not
"""
all_members_info = get_all_project_members_and_managers()
subordinates = get_subordinates(request)
member = {member for member in all_members_info}
for subordinate in subordinates:
if subordinate in member:
return True
return False
def is_project_manager_or_super_user(request, project):
"""
Method to check whether user is a manager of project or
user is a super user.
"""
return (
request.user.employee_get in project.managers.all() or request.user.is_superuser
)
def you_dont_have_permission(request):
"""
Method to return you dont have permission
"""
messages.info(request, "You dont have permission.")
previous_url = request.META.get("HTTP_REFERER", "/")
key = "HTTP_HX_REQUEST"
if key in request.META.keys():
return render(request, "decorator_404.html")
script = f'<script>window.location.href = "{previous_url}"</script>'
return HttpResponse(script)