konova/compensation/managers.py

"""
Author: Michel Peltriaux
Organization: Struktur- und Genehmigungsdirektion Nord, Rhineland-Palatinate, Germany
Contact: michel.peltriaux@sgdnord.rlp.de
Created on: 14.10.21

"""
from django.db import models


class CompensationActionManager(models.Manager):
    """ Holds default db fetch setting for this model type

    """
    def get_queryset(self):
        return super().get_queryset().select_related(
            "action_type",
            "action_type__parent"
        )


class CompensationStateManager(models.Manager):
    """ Holds default db fetch setting for this model type

    """
    def get_queryset(self):
        return super().get_queryset().select_related(
            "biotope_type",
            "biotope_type__parent"
        )


class CompensationManager(models.Manager):
    """ Holds default db fetch setting for this model type

    """
    def get_queryset(self):
        return super().get_queryset().select_related(
            "modified",
            "intervention",
            "intervention__recorded",
            "intervention__recorded__user",
            "intervention__modified",
            "intervention__checked",
            "intervention__checked__user",
        )


class EcoAccountManager(models.Manager):
    """ Holds default db fetch setting for this model type

    """
    def get_queryset(self):
        return super().get_queryset().select_related(
            "recorded",
            "recorded__user",
            "modified",
            "modified__user",
        ).prefetch_related(
            "users",
        )


class EcoAccountDeductionManager(models.Manager):
    """ Holds default db fetch setting for this model type

    """
    def get_queryset(self):
        return super().get_queryset().select_related(
            "intervention",
            "intervention__recorded",
            "created",
        )