Source code for ferrosoft.apps.emiflow.views.lifecycle

#  Copyright (c) 2025 Ferrosoft GmbH. All rights reserved.
from django.shortcuts import redirect
from django.urls import reverse
from django.utils.translation import gettext_lazy as _

from ferrosoft.apps.emiflow.forms.lifecycle import (
    TreatmentLCCValueForm,
    TransportLCCValueForm,
)
from ferrosoft.apps.emiflow.models import (
    LifecycleCategory,
    TreatmentLCCValue,
    TransportLCCValue,
    TransportChain,
    Treatment,
)
from ferrosoft.apps.ferrobase.auth.roles import Permissions, Verb
from ferrosoft.apps.ferrobase.views import (
    CreateView,
    UpdateView,
    DeleteView,
    ListView,
    model_crud_routes,
)
from ferrosoft.apps.ferrobase.views.generic import DependentCreateView



[docs]
class LifecycleCategoryCreate(CreateView):
    fields = ["name"]
    help_topic = "lifecycle_categories"
    model = LifecycleCategory




[docs]
class LifecycleCategoryUpdate(UpdateView):
    fields = ["name"]
    help_topic = "lifecycle_categories"
    model = LifecycleCategory


[docs]
    def delete_view(self, *args, **kwargs):
        return (
            None
            if self.object.predefined
            else reverse("emiflow:lifecyclecategory_delete", args=[self.object.pk])
        )





[docs]
class LifecycleCategoryDelete(DeleteView):
    help_topic = "lifecycle_categories"
    model = LifecycleCategory


[docs]
    def get(self, request, *args, **kwargs):
        self.object = self.get_object()

        # Predefined LCC's must not be deleted for proper system operation.
        if self.object.predefined:
            return redirect(self.object)

        return super().get(request, *args, **kwargs)



[docs]
    def form_valid(self, form):
        if self.object.predefined:
            return redirect(self.object)
        return super().form_valid(form)





[docs]
class LifecycleCategoryList(ListView):
    help_topic = "lifecycle_categories"
    model = LifecycleCategory
    ordering = ["name"]



lifecycle_category_urls = model_crud_routes(
    LifecycleCategory,
    create_view=LifecycleCategoryCreate,
    read_view=LifecycleCategoryList,
    update_view=LifecycleCategoryUpdate,
    delete_view=LifecycleCategoryDelete,
)



[docs]
class LCCValueCreate(DependentCreateView):
    abstract = True
    activity_title = _("Related Emissions")
    related_links_default = False


[docs]
    def cancel_view(self):
        return (
            None
            if self.parent_object is None
            else self.parent_object.get_absolute_url()
        )



[docs]
    @staticmethod
    def related_links():
        return [
            (
                reverse("emiflow:lifecyclecategory_create"),
                _("Create Lifecycle Category"),
                Permissions.for_model(LifecycleCategory, Verb.CREATE),
            ),
        ]





[docs]
class TransportLCCValueCreate(LCCValueCreate):
    form_class = TransportLCCValueForm
    help_topic = "transport_related_emissions"
    model = TransportLCCValue
    parent_model = TransportChain


[docs]
    def get_form_kwargs(self):
        return super().get_form_kwargs() | {
            "initial": {
                "chain": self.parent_object,
            }
        }



[docs]
    def get_success_url(self):
        return self.object.chain.get_absolute_url()





[docs]
class TransportLCCValueUpdate(UpdateView):
    activity_title = _("Related Emissions")
    form_class = TransportLCCValueForm
    help_topic = "transport_related_emissions"
    model = TransportLCCValue
    related_links_default = False


[docs]
    def cancel_view(self):
        return self.object.chain.get_absolute_url()



[docs]
    def get_success_url(self):
        return self.object.chain.get_absolute_url()





[docs]
class TransportLCCValueDelete(DeleteView):
    activity_title = _("Related Emissions")
    help_topic = "transport_related_emissions"
    model = TransportLCCValue


[docs]
    def cancel_view(self):
        return self.object.chain.get_absolute_url()



[docs]
    def get_success_url(self):
        return self.object.chain.get_absolute_url()




transport_lcc_value_urls = model_crud_routes(
    TransportLCCValue,
    create_view=TransportLCCValueCreate,
    update_view=TransportLCCValueUpdate,
    delete_view=TransportLCCValueDelete,
)



[docs]
class TreatmentLCCValueCreate(LCCValueCreate):
    form_class = TreatmentLCCValueForm
    help_topic = "treatment_related_emissions"
    model = TreatmentLCCValue
    parent_model = Treatment


[docs]
    def get_form_kwargs(self):
        return super().get_form_kwargs() | {
            "initial": {
                "treatment": self.parent_object,
            }
        }



[docs]
    def get_success_url(self):
        return self.object.treatment.get_absolute_url()





[docs]
class TreatmentLCCValueUpdate(UpdateView):
    activity_title = _("Related Emissions")
    form_class = TreatmentLCCValueForm
    help_topic = "treatment_related_emissions"
    model = TreatmentLCCValue
    related_links_default = False


[docs]
    def cancel_view(self):
        return self.object.treatment.get_absolute_url()



[docs]
    def get_success_url(self):
        return self.object.treatment.get_absolute_url()





[docs]
class TreatmentLCCValueDelete(DeleteView):
    activity_title = _("Related Emissions")
    help_topic = "treatment_related_emissions"
    model = TreatmentLCCValue


[docs]
    def cancel_view(self):
        return self.object.treatment.get_absolute_url()



[docs]
    def get_success_url(self):
        return self.object.treatment.get_absolute_url()




treatment_lcc_value_urls = model_crud_routes(
    TreatmentLCCValue,
    create_view=TreatmentLCCValueCreate,
    update_view=TreatmentLCCValueUpdate,
    delete_view=TreatmentLCCValueDelete,
)