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hrms/base/filters.py

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"""
This module contains custom Django filters for filtering querysets related to Shift Requests,
Work Type Requests, Rotating Shift and Rotating Work Type Assign.
"""
import uuid
import django_filters
from django import forms
from django.utils.translation import gettext as __
from django_filters import CharFilter, DateFilter, filters
from base.models import (
CompanyLeaves,
Holidays,
PenaltyAccounts,
RotatingShiftAssign,
RotatingWorkTypeAssign,
ShiftRequest,
WorkTypeRequest,
)
from horilla.filters import FilterSet, filter_by_name
class ShiftRequestFilter(FilterSet):
"""
Custom filter for Shift Requests.
"""
requested_date = django_filters.DateFilter(
field_name="requested_date", widget=forms.DateInput(attrs={"type": "date"})
)
requested_date__gte = django_filters.DateFilter(
field_name="requested_date",
lookup_expr="gte",
widget=forms.DateInput(attrs={"type": "date"}),
)
requested_date__lte = django_filters.DateFilter(
field_name="requested_date",
lookup_expr="lte",
widget=forms.DateInput(attrs={"type": "date"}),
)
search = CharFilter(method=filter_by_name)
class Meta:
"""
A nested class that specifies the model and fields for the filter.
"""
fields = "__all__"
model = ShiftRequest
fields = [
"id",
"employee_id",
"requested_date",
"previous_shift_id",
"shift_id",
"requested_till",
"approved",
"canceled",
"employee_id__employee_first_name",
"employee_id__employee_last_name",
"employee_id__is_active",
"employee_id__gender",
"employee_id__employee_work_info__job_position_id",
"employee_id__employee_work_info__department_id",
"employee_id__employee_work_info__work_type_id",
"employee_id__employee_work_info__employee_type_id",
"employee_id__employee_work_info__job_role_id",
"employee_id__employee_work_info__reporting_manager_id",
"employee_id__employee_work_info__company_id",
"employee_id__employee_work_info__shift_id",
]
def __init__(self, data=None, queryset=None, *, request=None, prefix=None):
super().__init__(data=data, queryset=queryset, request=request, prefix=prefix)
for field in self.form.fields.keys():
self.form.fields[field].widget.attrs["id"] = f"{uuid.uuid4()}"
class WorkTypeRequestFilter(FilterSet):
"""
Custom filter for Work Type Requests.
"""
requested_date = django_filters.DateFilter(
field_name="requested_date", widget=forms.DateInput(attrs={"type": "date"})
)
requested_date__gte = django_filters.DateFilter(
field_name="requested_till",
lookup_expr="gte",
widget=forms.DateInput(attrs={"type": "date"}),
)
requested_date__lte = django_filters.DateFilter(
field_name="requested_till",
lookup_expr="lte",
widget=forms.DateInput(attrs={"type": "date"}),
)
search = CharFilter(method=filter_by_name)
class Meta:
"""
A nested class that specifies the model and fields for the filter.
"""
fields = "__all__"
model = WorkTypeRequest
fields = [
"id",
"employee_id",
"requested_date",
"previous_work_type_id",
"approved",
"work_type_id",
"canceled",
"employee_id__employee_first_name",
"employee_id__employee_last_name",
"employee_id__is_active",
"employee_id__gender",
"employee_id__employee_work_info__job_position_id",
"employee_id__employee_work_info__department_id",
"employee_id__employee_work_info__work_type_id",
"employee_id__employee_work_info__employee_type_id",
"employee_id__employee_work_info__job_role_id",
"employee_id__employee_work_info__reporting_manager_id",
"employee_id__employee_work_info__company_id",
"employee_id__employee_work_info__shift_id",
]
def __init__(self, data=None, queryset=None, *, request=None, prefix=None):
super().__init__(data=data, queryset=queryset, request=request, prefix=prefix)
for field in self.form.fields.keys():
self.form.fields[field].widget.attrs["id"] = f"{uuid.uuid4()}"
class RotatingShiftAssignFilters(FilterSet):
"""
Custom filter for Rotating Shift Assign.
"""
search = CharFilter(method=filter_by_name)
next_change_date = django_filters.DateFilter(
field_name="next_change_date", widget=forms.DateInput(attrs={"type": "date"})
)
start_date = django_filters.DateFilter(
field_name="start_date", widget=forms.DateInput(attrs={"type": "date"})
)
class Meta:
"""
A nested class that specifies the model and fields for the filter.
"""
fields = "__all__"
model = RotatingShiftAssign
fields = [
"employee_id",
"rotating_shift_id",
"next_change_date",
"start_date",
"based_on",
"rotate_after_day",
"rotate_every_weekend",
"rotate_every",
"current_shift",
"next_shift",
"is_active",
"employee_id__employee_work_info__job_position_id",
"employee_id__employee_work_info__department_id",
"employee_id__employee_work_info__work_type_id",
"employee_id__employee_work_info__employee_type_id",
"employee_id__employee_work_info__job_role_id",
"employee_id__employee_work_info__reporting_manager_id",
"employee_id__employee_work_info__company_id",
"employee_id__employee_work_info__shift_id",
]
class RotatingWorkTypeAssignFilter(FilterSet):
"""
Custom filter for Rotating Work Type Assign.
"""
search = CharFilter(method=filter_by_name)
next_change_date = django_filters.DateFilter(
field_name="next_change_date", widget=forms.DateInput(attrs={"type": "date"})
)
start_date = django_filters.DateFilter(
field_name="start_date", widget=forms.DateInput(attrs={"type": "date"})
)
class Meta:
"""
A nested class that specifies the model and fields for the filter.
"""
fields = "__all__"
model = RotatingWorkTypeAssign
fields = [
"employee_id",
"rotating_work_type_id",
"next_change_date",
"start_date",
"based_on",
"rotate_after_day",
"rotate_every_weekend",
"rotate_every",
"current_work_type",
"next_work_type",
"is_active",
"employee_id__employee_work_info__job_position_id",
"employee_id__employee_work_info__department_id",
"employee_id__employee_work_info__work_type_id",
"employee_id__employee_work_info__employee_type_id",
"employee_id__employee_work_info__job_role_id",
"employee_id__employee_work_info__reporting_manager_id",
"employee_id__employee_work_info__company_id",
"employee_id__employee_work_info__shift_id",
]
class ShiftRequestReGroup:
"""
Class to keep the field name for group by option
"""
fields = [
("", "Select"),
("employee_id", "Employee"),
("shift_id", "Requested Shift"),
("previous_shift_id", "Current Shift"),
("requested_date", "Requested Date"),
]
class WorkTypeRequestReGroup:
"""
Class to keep the field name for group by option
"""
fields = [
("", "Select"),
("employee_id", "Employee"),
("work_type_id", "Requested Work Type"),
("previous_work_type_id", "Current Work Type"),
("requested_date", "Requested Date"),
("employee_id__employee_work_info__department_id", "Department"),
("employee_id__employee_work_info__job_position_id", "Job Position"),
("employee_id__employee_work_info__reporting_manager_id", "Reporting Manager"),
]
class RotatingWorkTypeRequestReGroup:
"""
Class to keep the field name for group by option
"""
fields = [
("", "Select"),
("employee_id", "Employee"),
("rotating_work_type_id", "Rotating Work Type"),
("current_work_type", "Current Work Type"),
("based_on", "Based On"),
("employee_id__employee_work_info__department_id", "Department"),
("employee_id__employee_work_info__job_role_id", "Job Role"),
("employee_id__employee_work_info__reporting_manager_id", "Reporting Manager"),
]
class RotatingShiftRequestReGroup:
"""
Class to keep the field name for group by option
"""
fields = [
("", "Select"),
("employee_id", "Employee"),
("rotating_shift_id", "Rotating Shift"),
("based_on", "Based On"),
("employee_id__employee_work_info__department_id", "Department"),
("employee_id__employee_work_info__job_role_id", "Job Role"),
("employee_id__employee_work_info__reporting_manager_id", "Reporting Manager"),
]
class HolidayFilter(FilterSet):
"""
Filter class for Holidays model.
This filter allows searching Holidays objects based on name and date range.
"""
search = filters.CharFilter(field_name="name", lookup_expr="icontains")
from_date = DateFilter(
field_name="start_date",
lookup_expr="gte",
widget=forms.DateInput(attrs={"type": "date"}),
)
to_date = DateFilter(
field_name="end_date",
lookup_expr="lte",
widget=forms.DateInput(attrs={"type": "date"}),
)
start_date = DateFilter(
field_name="start_date",
lookup_expr="exact",
widget=forms.DateInput(attrs={"type": "date"}),
)
end_date = DateFilter(
field_name="end_date",
lookup_expr="exact",
widget=forms.DateInput(attrs={"type": "date"}),
)
class Meta:
"""
Meta class defines the model and fields to filter
"""
model = Holidays
fields = {
"recurring": ["exact"],
}
def __init__(self, data=None, queryset=None, *, request=None, prefix=None):
super().__init__(data=data, queryset=queryset, request=request, prefix=prefix)
for field in self.form.fields.keys():
self.form.fields[field].widget.attrs["id"] = f"{uuid.uuid4()}"
self.form.fields["from_date"].label = (
f"{self.Meta.model()._meta.get_field('start_date').verbose_name} From"
)
self.form.fields["to_date"].label = (
f"{self.Meta.model()._meta.get_field('end_date').verbose_name} Till"
)
class CompanyLeaveFilter(FilterSet):
"""
Filter class for CompanyLeaves model.
This filter allows searching CompanyLeaves objects based on
name, week day and based_on_week choices.
"""
name = filters.CharFilter(field_name="based_on_week_day", lookup_expr="icontains")
search = filters.CharFilter(method="filter_week_day")
class Meta:
""" "
Meta class defines the model and fields to filter
"""
model = CompanyLeaves
fields = {
"based_on_week": ["exact"],
"based_on_week_day": ["exact"],
}
def filter_week_day(self, queryset, _, value):
week_qry = CompanyLeaves.objects.none()
weekday_values = []
week_values = []
WEEK_DAYS = [
("0", __("Monday")),
("1", __("Tuesday")),
("2", __("Wednesday")),
("3", __("Thursday")),
("4", __("Friday")),
("5", __("Saturday")),
("6", __("Sunday")),
]
WEEKS = [
(None, __("All")),
("0", __("First Week")),
("1", __("Second Week")),
("2", __("Third Week")),
("3", __("Fourth Week")),
("4", __("Fifth Week")),
]
for day_value, day_name in WEEK_DAYS:
if value.lower() in day_name.lower():
weekday_values.append(day_value)
for day_value, day_name in WEEKS:
if value.lower() in day_name.lower() and value.lower() != __("All").lower():
week_values.append(day_value)
week_qry = queryset.filter(based_on_week__in=week_values)
elif value.lower() in __("All").lower():
week_qry = queryset.filter(based_on_week__isnull=True)
return queryset.filter(based_on_week_day__in=weekday_values) | week_qry
class PenaltyFilter(FilterSet):
"""
PenaltyFilter
"""
class Meta:
model = PenaltyAccounts
fields = "__all__"