266 lines
11 KiB
Python
266 lines
11 KiB
Python
from django.shortcuts import render, redirect
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from django.urls import reverse
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from django.contrib.auth import logout, login
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from django.contrib.auth.forms import AuthenticationForm as AuthForm
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from django.contrib.auth.forms import PasswordChangeForm
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from django.contrib.auth import update_session_auth_hash
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import django.forms as forms
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from django.views.generic import TemplateView, DetailView
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from django.contrib.auth.mixins import LoginRequiredMixin
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from ..models import Storage, Stock, Component, Distributor, Manufacturer, Package, ComponentParameter, DistributorNum
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from django.core.paginator import Paginator
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from django.core.exceptions import ValidationError
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from django.db import IntegrityError
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from django.db.models import ProtectedError
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from ..forms import *
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from .component_import import import_components_from_csv
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from django.db.models import Q
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from django.db.models.functions import Lower
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from django.forms import formset_factory
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from django.http import HttpResponse
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import uuid
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from .generic_views import BaseTemplateMixin
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class StockView(LoginRequiredMixin, BaseTemplateMixin, TemplateView):
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template_name = 'parts/stocks.html'
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base_title = 'Stocks'
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navbar_selected = 'Stocks'
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default_pagination_size = 25
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def get_context_data(self, **kwargs):
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context = super().get_context_data(**kwargs)
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storage_page = self.request.GET.get('storage_page')
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if storage_page is None:
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storage_page = 1
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low_stock_page = self.request.GET.get('low_stock_page')
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if low_stock_page is None:
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low_stock_page = 1
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storage_paginator = Paginator(Storage.objects.filter(parent_storage=None), self.default_pagination_size)
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low_stock_paginator = Paginator(Stock.get_under_watermark(),
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self.default_pagination_size)
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context['low_stocks'] = low_stock_paginator.get_page(low_stock_page)
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context['storages'] = storage_paginator.get_page(storage_page)
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add_stor_form = AddSubStorageForm()
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add_stor_form.fields['responsible'].initial = self.request.user.id
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context['add_storage_form'] = add_stor_form
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return context
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def handle_add_storage(self, request, **kwargs):
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f = AddSubStorageForm(data=request.POST)
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if f.is_valid():
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sub_name = f.cleaned_data['storage_name']
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try:
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Storage.objects.create(name=sub_name,
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responsible=f.cleaned_data['responsible'],
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is_template=f.cleaned_data['is_template'],
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template=f.cleaned_data.get('template'))
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except ValidationError as v_err:
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f.add_error('storage_name', '. '.join(v_err.messages))
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context = self.get_context_data(**kwargs)
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context['add_storage_form'] = f
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return self.render_to_response(context)
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def post(self, request, **kwargs):
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if 'submit-add-storage' in request.POST:
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return self.handle_add_storage(request, **kwargs)
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return super().post(request, **kwargs)
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class StockViewDetail(LoginRequiredMixin, BaseTemplateMixin, DetailView):
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template_name = 'parts/stocks-detail.html'
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model = Storage
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pk_url_kwarg = 'uuid'
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base_title = ''
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navbar_selected = 'Stocks'
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default_pagination_size = 8
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def get_breadcrumbs(self):
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crumbs = self.object.get_path_components()
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# Reverse list and drop the last element of the reversed list
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crumbs = crumbs[::-1][:-1]
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return crumbs
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def search_stock_queryset(self, search):
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stocks_in_storage = Stock.objects.filter(storage=self.object).order_by(Lower('component__name'))
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if search is None or search == '':
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return stocks_in_storage
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if search.startswith('[comp_uuid]'):
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search = search.replace('[comp_uuid]', '')
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# Check if the searhc equals a UUID
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test_uuid = None
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try:
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test_uuid = uuid.UUID(search)
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except:
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pass
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if test_uuid is not None:
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stocks_in_storage = stocks_in_storage.filter(Q(component__id = test_uuid) | Q(id= test_uuid))
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else:
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stocks_in_storage = stocks_in_storage.filter(Q(component__name__icontains = search) |
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Q(component__package__name__icontains = search) |
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Q(component__manufacturer__name__icontains = search))
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return stocks_in_storage
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def get_context_data(self, **kwargs):
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self.base_title = 'Stocks / ' + self.object.name
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context = super().get_context_data(**kwargs)
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context['breadcrumbs'] = self.get_breadcrumbs()
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storage_page = self.request.GET.get('storage_page', default=1)
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storage_paginator = Paginator(Storage.objects.filter(parent_storage=self.object), self.default_pagination_size)
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stock_search_input = self.request.GET.get('search')
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componente_stock_page = self.request.GET.get('stock_page', default=1)
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stock_paginator = Paginator(self.search_stock_queryset(stock_search_input), self.default_pagination_size)
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context['storages'] = storage_paginator.get_page(storage_page)
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stocks = stock_paginator.get_page(componente_stock_page)
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context['stocks'] = stocks
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context['stock_search'] = stock_search_input
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add_storage_form = AddSubStorageForm()
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add_storage_form.fields['responsible'].initial = self.request.user.id
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context['add_storage_form'] = add_storage_form
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change_storage_form = ChangeStorageForm()
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change_storage_form.fields['storage_name'].initial = self.object.name
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change_storage_form.fields['verbose_name'].initial = self.object.verbose_name
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change_storage_form.fields['responsible'].initial = self.object.responsible.id
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change_storage_form.fields['is_template'].initial = self.object.is_template
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context['change_storage_form'] = change_storage_form
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context['delete_storage_error'] = None
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context['add_stock_form'] = AddStockForm()
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return context
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def handle_add_storage_post(self, request, **kwargs):
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f = AddSubStorageForm(data=request.POST)
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if f.is_valid():
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sub_name = f.cleaned_data['storage_name']
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try:
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Storage.objects.create(name=sub_name,
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verbose_name=f.cleaned_data.get('verbose_name'),
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parent_storage=self.object,
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responsible=f.cleaned_data['responsible'],
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is_template=f.cleaned_data['is_template'],
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template=f.cleaned_data.get('template'))
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except ValidationError as v_err:
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f.add_error('storage_name', '. '.join(v_err.messages))
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context = self.get_context_data(**kwargs)
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context['add_storage_form'] = f
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return self.render_to_response(context)
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def handle_change_storage_post(self, request, **kwargs):
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f = ChangeStorageForm(data=request.POST)
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if f.is_valid():
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sub_name = f.cleaned_data['storage_name']
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try:
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self.object.name = f.cleaned_data['storage_name']
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self.object.verbose_name = f.cleaned_data.get('verbose_name')
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self.object.responsible = f.cleaned_data['responsible']
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self.object.is_template = f.cleaned_data['is_template']
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self.object.save()
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except ValidationError as v_err:
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f.add_error('storage_name', '. '.join(v_err.messages))
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context = self.get_context_data(**kwargs)
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context['change_storage_form'] = f
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return self.render_to_response(context)
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def handle_del_storage_post(self, request, **kwargs):
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parent = self.object.parent_storage
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try:
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self.object.delete()
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except:
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context = self.get_context_data(**kwargs)
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context['delete_storage_errors'] = ['Error deleting Storage '+str(self.object)]
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return self.render_to_response(context)
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if parent is None:
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return redirect('parts-stocks')
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else:
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return redirect(reverse('parts-stocks-detail', kwargs={'uuid':parent.id}))
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def handle_del_stock_post(self, request, **kwargs):
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del_error = None
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if 'stock_uuid' in request.POST:
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f = DeleteStockForm(data=request.POST)
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if f.is_valid():
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try:
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s = Stock.objects.get(id=f.cleaned_data['stock_uuid'])
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print(s.storage)
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print(self.object)
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if s.storage == self.object:
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s.delete()
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else:
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del_error = 'Cannot delete stock from another storage.'
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except:
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del_error = 'Could not find requested stock in this storage.'
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context = self.get_context_data(**kwargs)
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return self.render_to_response(context)
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def handle_update_watermark(self, request, **kwargs):
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edit_form = EditWatermarkForm(data=request.POST)
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update_watermark_error = None
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if edit_form.is_valid():
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edit_form.save()
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else:
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pass # Todo: Handle error
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context = self.get_context_data(**kwargs)
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return self.render_to_response(context)
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def handle_amount_change_post(self, request, increase, **kwargs):
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edit_form = EditStockAmountForm(data=request.POST)
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if edit_form.is_valid():
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edit_form.save(increase)
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context = self.get_context_data(**kwargs)
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return self.render_to_response(context)
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def handle_add_stock_post(self, request, **kwargs):
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f = AddStockForm(data=request.POST)
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error_occured = False
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if f.is_valid():
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try:
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f.save(self.object)
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except Exception as ex:
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f.add_error('', str(ex))
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error_occured = True
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else:
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error_occured = True
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context = self.get_context_data(**kwargs)
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if error_occured:
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context['add_stock_form'] = f
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return self.render_to_response(context)
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def post(self, request, *args, **kwargs):
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self.object = self.get_object()
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if 'submit-add-storage' in request.POST:
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return self.handle_add_storage_post(request, **kwargs)
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elif 'submit-change-storage' in request.POST:
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return self.handle_change_storage_post(request, **kwargs)
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elif 'submit-delete-storage' in request.POST:
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return self.handle_del_storage_post(request, **kwargs)
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elif 'submit-delete-stock' in request.POST:
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return self.handle_del_stock_post(request, **kwargs)
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elif 'submit-edit-watermark' in request.POST:
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return self.handle_update_watermark(request, **kwargs)
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elif 'submit-amount-reduce' in request.POST:
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return self.handle_amount_change_post(request, False, **kwargs)
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elif 'submit-amount-increase' in request.POST:
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return self.handle_amount_change_post(request, True, **kwargs)
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elif 'submit-add-stock' in request.POST:
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return self.handle_add_stock_post(request, **kwargs)
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return super().post(request, *args, **kwargs) |