本文整理汇总了Python中models.Answer.field_id方法的典型用法代码示例。如果您正苦于以下问题:Python Answer.field_id方法的具体用法?Python Answer.field_id怎么用?Python Answer.field_id使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类models.Answer
的用法示例。
在下文中一共展示了Answer.field_id方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: save
# 需要导入模块: from models import Answer [as 别名]
# 或者: from models.Answer import field_id [as 别名]
def save(self, collection=None):
"""
Saves the validated, cleaned form data. If a submission already exists,
the new data will be merged over the old data.
"""
# TODO: think about adding an "overwrite" argument to this function, default of False,
# which will determine if an error should be thrown if the submission object already
# exists, or if we should trust the data and overwrite the previous submission.
# If there is no submission object, then this should just be a normal
# Django form. No need to call the save method, so we will raise an exception
if not hasattr(self, 'submission'):
raise LookupError("There is no submission object. Are your creating the form with 'retrun_class=True'? If so, no need to call save.")
if not self.cleaned_data:
raise LookupError("The is_valid() method must be called before saving a form")
# Slightly evil, do type checking to see if submission is a Submission object or string
# If Submission object is a slug
if isinstance(self.submission, str) or isinstance(self.submission, unicode):
submission_slug = self.submission
# Get or create the object
self.submission, was_created = Submission.objects.get_or_create(slug=submission_slug, collection=collection)
# Otherwise it should be a submission model object, if not raise
elif not isinstance(self.submission, Submission):
raise AttributeError('Submission %s is not a valid submission object.' % self.submission)
# We now have a submission object, so let's update the last_modified field
self.submission.last_modified = datetime.datetime.now()
self.submission.save()
# Delete Answers if they exist and start over ;)
Answer.objects.select_related(
'submission',
'data_from',
'field').filter(
data_form__slug=self.slug,
submission=self.submission).delete()
# If answers don't exist, create the records without answers so that
# we can populate them later and save the relationships
# This is more efficient then using the ORM
#if not answers:
field_keys = []
answers = []
for key in self.fields.keys():
# Mangle the key into the DB form, then get the right Field
field_keys.append(_field_for_db(key))
# Get All Fields
fields = self.query_data['fields_list']
for field in fields:
# save the answer only if the field is in the form POST
if field['slug'] in field_keys:
# Create a new answer object
answer = Answer()
answer.submission = self.submission
answer.data_form = self.query_data['dataform_query']
answer.field_id = field['id']
answers.append(answer)
# Update the answers
insert_many(answers)
# Get Answers again so that we have the pks
answers = Answer.objects.select_related('submission', 'data_from', 'field').filter(data_form__slug=self.slug, submission=self.submission)
# Get All possible choices from form models dict
choices = self.query_data['choice_query']
# Setup answer list so we can do a bulk update
answer_objects = []
#Delete choice relations
delete_many(answers, table='dataforms_answer_choice')
# We know answers exist now, so update them if needed.
for answer in answers:
answer_obj, choice_relations = self._prepare_answer(answer, choices)
answer_objects.append(answer_obj)
if choice_relations:
for choice_relation in choice_relations:
answer.choice.add(choice_relation)
# Update the answers
update_many(answer_objects, fields=['value'])
# Return a submission so the collection or form can have this.
return self.submission