shimatta-kenkyusho/shimatta_kenkyusho/parts/forms.py

338 lines
13 KiB
Python

from django import forms
from django.contrib.auth import get_user_model
from django.core.exceptions import ValidationError
from django.forms import widgets
from parts import models as parts_models
from shimatta_modules.EngineeringNumberConverter import EngineeringNumberConverter
import uuid
from django.urls import reverse
from crispy_forms.helper import FormHelper
from crispy_forms.layout import Layout, Row, Column
class AutoCompleteWidget(widgets.Input):
template_name = 'widgets/autocomplete-foreign-key.html'
def __init__(self, api_search_url, image_field_name, foreign_model, name_field_name, prepend=None, *args, **kwargs):
super().__init__(*args, **kwargs)
self.image_field_name = image_field_name
self.foreign_model = foreign_model
self.api_search_url = api_search_url
self.name_field_name = name_field_name
self.prepend = prepend
def get_context(self, name, value, attrs):
context = super().get_context(name, value, attrs)
if value is not None:
try:
try:
my_id = uuid.UUID(value)
except:
my_id = int(value)
instance = self.foreign_model.objects.get(id=my_id)
except Exception as ex:
instance = None
else:
instance = None
image = None
if instance is not None and self.image_field_name is not None:
image = getattr(instance, self.image_field_name)
display_name = None
if instance:
display_name = getattr(instance, self.name_field_name)
context['custom'] = {
'search_url': reverse(self.api_search_url),
'image_field_name': self.image_field_name,
'current_instance': instance,
'image': image,
'name_field_name': self.name_field_name,
'prepend': self.prepend,
'name': display_name,
}
return context
class AutocompleteForeingKeyField(forms.UUIDField):
def __init__(self,
foreign_model=None,
api_search_url=None,
image_field_name='image',
name_field_name='name',
prepend=None,
**kwargs):
super().__init__(**kwargs)
self.widget = AutoCompleteWidget(api_search_url,
image_field_name,
foreign_model,
name_field_name,
prepend)
self.foreign_model = foreign_model
def clean(self, value):
try:
pre_cleaned_uuid = super().clean(value)
except Exception as ex:
try:
pre_cleaned_uuid = int(value)
except:
raise ex
if pre_cleaned_uuid is None and not self.required:
return None
try:
obj = self.foreign_model.objects.get(id=pre_cleaned_uuid)
except self.foreign_model.DoesNotExist:
raise ValidationError('Given element does not exist')
return obj
class MyTestForm(forms.Form):
pass
class ChangeStorageForm(forms.Form):
storage_name = forms.CharField(label="Name", initial='')
verbose_name = forms.CharField(label="Verbose Name", initial='')
responsible = AutocompleteForeingKeyField(api_search_url='user-list',
image_field_name=None,
name_field_name='username',
foreign_model=get_user_model(),
prepend='@')
is_template = forms.BooleanField(label='is_template', required=False)
class AddSubStorageForm(ChangeStorageForm):
template = AutocompleteForeingKeyField(api_search_url='storage-template-list',
image_field_name=None,
foreign_model=parts_models.Storage,
required=False)
class DeleteStockForm(forms.Form):
stock_uuid = forms.UUIDField()
class EditWatermarkForm(forms.Form):
stock_uuid = forms.UUIDField()
watermark_active = forms.BooleanField(required=False) #If it is false, the webbrowser won't send it at all. Therefore we have to set it to required=False
watermark = forms.IntegerField(min_value=0)
def clean(self):
cleaned_data = super().clean()
id = cleaned_data.get("stock_uuid")
if not id:
raise ValidationError("No stock UUID given")
stock = None
try:
stock = parts_models.Stock.objects.get(id=id)
except:
raise ValidationError("Stock with uuid %s does not exist" % (id))
cleaned_data['stock'] = stock
return cleaned_data
def save(self):
stock = self.cleaned_data['stock']
active = self.cleaned_data['watermark_active']
watermark = self.cleaned_data['watermark']
if not active:
watermark = -1
stock.watermark = watermark
stock.save()
class EditStockAmountForm(forms.Form):
stock_uuid = forms.UUIDField()
amount = forms.IntegerField(min_value=0)
def clean(self):
cleaned_data = super().clean()
id = cleaned_data.get("stock_uuid")
if not id:
raise ValidationError("No stock UUID given")
stock = None
try:
stock = parts_models.Stock.objects.get(id=id)
except:
raise ValidationError("Stock with uuid %s does not exist" % (id))
cleaned_data['stock'] = stock
return cleaned_data
def save(self, increase: bool):
stock = self.cleaned_data['stock']
amount = self.cleaned_data['amount']
if not increase:
amount = -amount
return stock.atomic_increment(amount)
class AddStockForm(forms.Form):
watermark_active = forms.BooleanField(required=False)
watermark = forms.IntegerField(min_value=0, required=True, initial=0)
amount = forms.IntegerField(min_value=0, required=True, initial=1)
component_uuid = forms.UUIDField(required=True)
lot = forms.CharField(max_length=255, required=False)
def clean(self):
cleaned_data = super().clean()
id = cleaned_data.get('component_uuid')
if not id:
raise ValidationError('No valid component selected!')
component = None
try:
component = parts_models.Component.objects.get(id=id)
except:
raise ValidationError("Invalid component selected!")
cleaned_data['component'] = component
return cleaned_data
def save(self, storage):
component = self.cleaned_data.get('component')
amount = self.cleaned_data.get('amount')
watermark = -1
if self.cleaned_data.get('watermark_active'):
watermark = self.cleaned_data.get('watermark')
new_stock = parts_models.Stock.objects.create(storage=storage, component=component, watermark=watermark, amount=amount, lot=self.cleaned_data['lot'])
new_stock.save()
class ComponentForm(forms.ModelForm):
manufacturer = AutocompleteForeingKeyField(api_search_url='manufacturer-list', foreign_model=parts_models.Manufacturer, required=False)
component_type = AutocompleteForeingKeyField(api_search_url='componenttype-list', foreign_model=parts_models.ComponentType, name_field_name='class_name', required=False, image_field_name=None)
package = AutocompleteForeingKeyField(api_search_url='package-list', foreign_model=parts_models.Package, required=False)
pref_distri = AutocompleteForeingKeyField(api_search_url='distributor-list', foreign_model=parts_models.Distributor, required=False)
class Meta:
model = parts_models.Component
fields = '__all__'
class PackageForm(forms.ModelForm):
class Meta:
model = parts_models.Package
fields = '__all__'
class DistributorForm(forms.ModelForm):
class Meta:
model = parts_models.Distributor
fields = '__all__'
class ManufacturerForm(forms.ModelForm):
class Meta:
model = parts_models.Manufacturer
fields = '__all__'
class DistributorNumberCreateForm(forms.ModelForm):
distributor = AutocompleteForeingKeyField(api_search_url='distributor-list', foreign_model=parts_models.Distributor, required=True)
class Meta:
model = parts_models.DistributorNum
fields = ['distributor', 'distributor_part_number']
class DistributorNumberDeleteForm(forms.Form):
distributor_num = forms.UUIDField(required=True)
def clean_distributor_num(self):
my_uuid = self.cleaned_data['distributor_num']
try:
distributor_number = parts_models.DistributorNum.objects.get(id=my_uuid)
except:
raise ValidationError('distributor number invalid')
return distributor_number
class ComponentParameterDeleteForm(forms.Form):
param_num = forms.UUIDField(required=True)
def clean_param_num(self):
my_uuid = self.cleaned_data['param_num']
try:
param = parts_models.ComponentParameter.objects.get(id=my_uuid)
except:
raise ValidationError('Parameter Number Invalid')
return param
class AdvancedComponentSearchForm(forms.Form):
name = forms.CharField(max_length=255, label='Component Name', required=False)
package = AutocompleteForeingKeyField(required=False, api_search_url='package-list', foreign_model=parts_models.Package)
package_pin_count = forms.IntegerField(min_value=0, label='Pin Count', required=False)
distributor_num = forms.CharField(max_length=100, label='Distributor Part Number', required=False)
distributor = AutocompleteForeingKeyField(required=False, api_search_url='distributor-list', foreign_model=parts_models.Distributor)
component_type = AutocompleteForeingKeyField(required=False, api_search_url='componenttype-list', foreign_model=parts_models.ComponentType, image_field_name=None, name_field_name='class_name')
manufacturer = AutocompleteForeingKeyField(required=False, api_search_url='manufacturer-list', foreign_model=parts_models.Manufacturer)
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.helper = FormHelper()
self.helper.form_tag = False
self.helper.layout = Layout(
Row(
Column('name'),
),
Row(
Column('package'),
Column('package_pin_count'),
),
Row(
Column('component_type'),
Column('manufacturer'),
),
Row(
Column('distributor'),
Column('distributor_num'),
),
)
class ComponentParameterSearchForm(forms.Form):
parameter = AutocompleteForeingKeyField(required=True, foreign_model=parts_models.ComponentParameterType, api_search_url='componentparametertype-list', image_field_name=None, name_field_name='parameter_name')
value = forms.CharField(max_length=100, required=False)
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.helper = FormHelper()
self.helper.form_tag = False
self.helper.layout = Layout(
Row(
Column('parameter'),
Column('value')
)
)
class ComponentParameterCreateForm(forms.Form):
parameter_type = AutocompleteForeingKeyField(required=True, foreign_model=parts_models.ComponentParameterType, api_search_url='componentparametertype-list', image_field_name=None, name_field_name='descriptive_name')
value = forms.CharField(required=True, max_length=256)
def clean(self):
data = super().clean()
ptype = data.get('parameter_type')
value = data.get('value')
if not ptype:
raise ValidationError('No valid parameter type selected')
if not value:
raise ValidationError('No valid parameter value')
if ptype.parameter_type == 'E' or ptype.parameter_type == 'I' or ptype.parameter_type == 'N':
try:
number = EngineeringNumberConverter.engineering_to_number(value)
except:
raise ValidationError('Cannot convert value to number')
data['number_value'] = number
else:
pass
def save(self, component):
param_type = self.cleaned_data['parameter_type']
if param_type.parameter_type == 'F':
text_value = self.cleaned_data['value']
value = 0
else:
text_value = ''
value = self.cleaned_data['number_value']
parts_models.ComponentParameter.objects.create(parameter_type=param_type, component=component, value=value, text_value=text_value)