358
app/accounting/models/asset_base.py
Normal file
358
app/accounting/models/asset_base.py
Normal file
@ -0,0 +1,358 @@
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from django.apps import apps
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from django.db import models
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from rest_framework.reverse import reverse
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from access.fields import AutoCreatedField, AutoLastModifiedField
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from access.models.tenancy import TenancyObject
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from core.lib.feature_not_used import FeatureNotUsed
|
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class AssetBase(
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TenancyObject,
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):
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"""Asset Base Model
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This model forms the base of ALL asset models and contains the core
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features for all sub-models.
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**Don't** use this model directly, it should be used via a sub-model.
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"""
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app_namespace = 'accounting'
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@property
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def _base_model(self):
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return AssetBase
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class Meta:
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ordering = [
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'id'
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]
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sub_model_type = 'asset'
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verbose_name = "Asset"
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verbose_name_plural = "Assets"
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def validate_not_null(field):
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if field is None:
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return False
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return True
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is_global = None
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id = models.AutoField(
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blank = False,
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help_text = 'Ticket ID Number',
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primary_key = True,
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unique = True,
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verbose_name = 'Number',
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)
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asset_number = models.CharField(
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blank = True,
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help_text = 'Number or tag to use to track this asset',
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max_length = 30,
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null = True,
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unique = True,
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verbose_name = 'Asset Number',
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)
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serial_number = models.CharField(
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blank = True,
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help_text = 'Serial number of this asset assigned by manufacturer.',
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max_length = 30,
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null = True,
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unique = True,
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verbose_name = 'Serial Number',
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)
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# category = models.ForeignKey(
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# TicketCategory,
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# blank = False,
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# help_text = 'Category for this asset',
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# on_delete = models.PROTECT,
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# verbose_name = 'Category',
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# )
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"""Category & Subcategory: Assets are grouped into broad categories like IT
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equipment, vehicles, furniture, or heavy machinery, with further
|
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subcategorization to increase granularity. This classification
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facilitates reporting, lifecycle planning, and policy enforcement for
|
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different asset types.
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"""
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# Status
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# model (manufacturer / model)
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@property
|
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def get_model_type(self):
|
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"""Fetch the Ticket Type
|
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You can safely override this function as long as it's called or the
|
||||
logic is included in your over-ridden function.
|
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Returns:
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str: The models `Meta.verbose_name` in lowercase and without spaces
|
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None: The ticket is for the Base class. Used to prevent creating a base ticket.
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"""
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ticket_type = str(self._meta.sub_model_type).lower().replace(' ', '_')
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if ticket_type == 'ticket':
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return None
|
||||
|
||||
return ticket_type
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def get_model_type_choices():
|
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choices = []
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if apps.ready:
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all_models = apps.get_models()
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for model in all_models:
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if(
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( isinstance(model, AssetBase) or issubclass(model, AssetBase) )
|
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and AssetBase._meta.sub_model_type != 'asset'
|
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):
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choices += [ (model._meta.sub_model_type, model._meta.verbose_name) ]
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return choices
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asset_type = models.CharField(
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blank = True,
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choices = get_model_type_choices,
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default = Meta.sub_model_type,
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help_text = 'Asset Type. (derived from asset model)',
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max_length = 30,
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null = False,
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validators = [
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validate_not_null
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],
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verbose_name = 'Asset Type',
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)
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created = AutoCreatedField(
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||||
editable = True,
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)
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||||
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modified = AutoLastModifiedField()
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||||
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page_layout: list = [
|
||||
{
|
||||
"name": "Details",
|
||||
"slug": "details",
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"sections": [
|
||||
{
|
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"layout": "double",
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"left": [
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'organization',
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'asset_type',
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'asset_number',
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'serial_number',
|
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],
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"right": [
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||||
'model_notes',
|
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'created',
|
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'modified',
|
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]
|
||||
}
|
||||
]
|
||||
},
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||||
{
|
||||
"name": "Knowledge Base",
|
||||
"slug": "kb_articles",
|
||||
"sections": [
|
||||
{
|
||||
"layout": "table",
|
||||
"field": "knowledge_base",
|
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}
|
||||
]
|
||||
},
|
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{
|
||||
"name": "Tickets",
|
||||
"slug": "tickets",
|
||||
"sections": [
|
||||
{
|
||||
"layout": "table",
|
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"field": "tickets",
|
||||
}
|
||||
],
|
||||
},
|
||||
{
|
||||
"name": "Notes",
|
||||
"slug": "notes",
|
||||
"sections": []
|
||||
},
|
||||
]
|
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|
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table_fields: list = [
|
||||
'id',
|
||||
{
|
||||
"field": "display_name",
|
||||
"type": "link",
|
||||
"key": "_self"
|
||||
},
|
||||
'asset_type',
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'asset_number',
|
||||
'serial_number',
|
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'organization',
|
||||
'created'
|
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]
|
||||
|
||||
|
||||
def __str__(self):
|
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|
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return self.asset_type + ' - ' + self.asset_number
|
||||
|
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|
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|
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def get_related_field_name(self) -> str:
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||||
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||||
meta = getattr(self, '_meta')
|
||||
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||||
for related_object in getattr(meta, 'related_objects', []):
|
||||
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||||
if not issubclass(related_object.related_model, self._base_model):
|
||||
|
||||
continue
|
||||
|
||||
if getattr(self, related_object.name, None):
|
||||
|
||||
if(
|
||||
not str(related_object.name).endswith('history')
|
||||
and not str(related_object.name).endswith('notes')
|
||||
):
|
||||
|
||||
return related_object.name
|
||||
break
|
||||
|
||||
|
||||
return ''
|
||||
|
||||
|
||||
def get_related_model(self):
|
||||
"""Recursive model Fetch
|
||||
|
||||
Returns the lowest model found in a chain of inherited models.
|
||||
|
||||
Args:
|
||||
model (models.Model, optional): Model to fetch the child model from. Defaults to None.
|
||||
|
||||
Returns:
|
||||
models.Model: Lowset model found in inherited model chain
|
||||
"""
|
||||
|
||||
related_model_name = self.get_related_field_name()
|
||||
|
||||
related_model = getattr(self, related_model_name, None)
|
||||
|
||||
if related_model_name == '':
|
||||
|
||||
related_model = None
|
||||
|
||||
elif related_model is None:
|
||||
|
||||
related_model = self
|
||||
|
||||
elif hasattr(related_model, 'get_related_field_name'):
|
||||
|
||||
if related_model.get_related_field_name() != '':
|
||||
|
||||
related_model = related_model.get_related_model()
|
||||
|
||||
|
||||
return related_model
|
||||
|
||||
|
||||
|
||||
|
||||
def get_url( self, request = None ) -> str:
|
||||
|
||||
kwargs = self.get_url_kwargs()
|
||||
|
||||
url_path_name = '_api_v2_asset_sub'
|
||||
|
||||
if self._meta.sub_model_type == 'asset':
|
||||
|
||||
url_path_name = '_api_v2_asset'
|
||||
|
||||
if request:
|
||||
|
||||
return reverse(f"v2:accounting:{url_path_name}-detail", request=request, kwargs = kwargs )
|
||||
|
||||
return reverse(f"v2:accounting:{url_path_name}-detail", kwargs = kwargs )
|
||||
|
||||
|
||||
|
||||
def get_url_kwargs(self) -> dict:
|
||||
|
||||
kwargs = {
|
||||
'asset_model': self.asset_type,
|
||||
}
|
||||
|
||||
if self._meta.sub_model_type == 'asset':
|
||||
|
||||
kwargs = {}
|
||||
|
||||
|
||||
if self.id:
|
||||
|
||||
kwargs.update({
|
||||
'pk': self.id
|
||||
})
|
||||
|
||||
return kwargs
|
||||
|
||||
|
||||
def get_url_kwargs_notes(self):
|
||||
|
||||
return FeatureNotUsed
|
||||
|
||||
|
||||
|
||||
def save(self, force_insert=False, force_update=False, using=None, update_fields=None):
|
||||
|
||||
related_model = self.get_related_model()
|
||||
|
||||
if related_model is None:
|
||||
|
||||
related_model = self
|
||||
|
||||
if self.asset_type != str(related_model._meta.sub_model_type).lower().replace(' ', '_'):
|
||||
|
||||
self.asset_type = str(related_model._meta.sub_model_type).lower().replace(' ', '_')
|
||||
|
||||
super().save(force_insert=force_insert, force_update=force_update, using=using, update_fields=update_fields)
|
||||
Reference in New Issue
Block a user