def create(self, validated_attrs):
nutritioninfo = validated_attrs.pop('nutrition')
taginfo = validated_attrs.pop('tags')
# create ingredient
ingre = Ingredient.objects.create(**validated_attrs)
# create nutrition value
for item in nutritioninfo:
ingre.nutrition.add(NutritionValue.objects.create(**item))
# create tags
tag_list = taginfo.split(',')
for tag in tag_list:
if tag:
try:
old_tag = Tag.objects.get(name=tag)
ingre.tags.add(old_tag)
except Tag.DoesNotExist:
new_tag = Tag(name=tag)
new_tag.save()
ingre.tags.add(new_tag)
ingre.save()
return ingre
def create(self, validated_attrs):
nutritioninfo = validated_attrs.pop('nutrition')
taginfo = validated_attrs.pop('tags')
# create ingredient
ingre = Ingredient.objects.create(**validated_attrs)
# create nutrition value
for item in nutritioninfo:
ingre.nutrition.add(NutritionValue.objects.create(**item))
# create tags
tag_list = taginfo.split(',')
for tag in tag_list:
if tag:
try:
old_tag = Tag.objects.get(name=tag)
ingre.tags.add(old_tag)
except Tag.DoesNotExist:
new_tag = Tag(name=tag)
new_tag.save()
ingre.tags.add(new_tag)
ingre.save()
return ingre
def get_tag_id(tag):
try:
tag_id = Tag.objects.filter(tag=tag).get().id
except:
new_tag = Tag(tag=tag)
new_tag.save()
tag_id = Tag.objects.filter(tag=tag).get().id
return tag_id
def tags_handle(new, old=''):
'''
处理文章标签
:param new: 新提交的标签字符串
:param old: 旧标签字符串,为文章更新提交之前的
:return:
'''
objs = []
new = set([tag for tag in new.split(',') if tag.strip()]) # 新提交的标签字符串
old = set([tag for tag in old.split(',')
if tag.strip()]) # 旧标签字符串,一般为更新之前的字符串
els = list(old - new) #获取差积删除
# 创建Tag表数据对象
for name in list(new):
# 查询数据
tag = Tag.query.filter(Tag.name == name).first()
if tag is None: tag = Tag(name=name)
objs.append(tag)
# 删除无文章引用标签
for name in els:
tag = Tag.query.filter_by(name=name).first()
if len(tag.posts) <= 1: db.session.delete(tag)
return objs
def _append_model(self, tag):
log_of_current_tag = self._tag_log.get(tag.name, {'count': 0})
log_of_current_tag['count'] += 1
self._tag_log[tag.name] = log_of_current_tag
model = self.vector_model(url=self.domain_url_model,
tag=Tag.find_by_tag_with_out_fail(tag.name),
tag_order=log_of_current_tag['count'],
depth=self.count_depth(tag))
self.append_vector_model_set(model)
def post_add():
form = PostForm()
form.cid.choices = [(v.id, v.title) for v in db.session.query(Classify.id, Classify.title).all()]
form.sid.choices = [(v.id, v.name) for v in Style.query.all()]
form.author.data = session.get('nikename')
# 表单是否验证成功
if form.validate_on_submit():
form.tags.data = tags_handle(form.tags.data)
form.content.data = content_file_handle(form.content.data)
post = field_obj_set(Post(),form.data)
db.session.add(post)
db.session.commit()
flash('添加成功!', category='ok')
return redirect(url_for('admin.post_add'))
title = '新建文章'
data = dict(title=title, tags=Tag.tags(), form=form)
return render_template('admin/post.form.html', **data)
def _append_model(self, tag):
log_of_current_tag = self._tag_log.get(tag.name, {'count': 0})
log_of_current_tag['count'] += 1
self._tag_log[tag.name] = log_of_current_tag
word_list = tag.string.split()
for index, word in enumerate(word_list):
try:
language = detect(word)
except LangDetectException:
language = 'en'
model = self.vector_model(
url=self.domain_url_model,
tag=Tag.find_by_tag_with_out_fail(tag.name),
tag_order=log_of_current_tag['count'],
lang=LangMst.find_by_language_with_out_fail(language),
word=Word.find_by_word_with_out_fail(word),
word_order=index + 1,
depth=self.count_depth(tag))
self.append_vector_model_set(model)
def post_edit(id):
post = Post.query.get(id)
#转成字符串
tags = ','.join([tag.name for tag in post.tags])
#转成表单默认数据
data = to_dict(PostForm, post)
data['tags'] = tags
form = PostForm(data=data)
form.cid.choices = [(v.id, v.title) for v in db.session.query(Classify.id, Classify.title).all()]
form.sid.choices = [(v.id, v.name) for v in Style.query.all()]
# 表单是否验证成功
if form.validate_on_submit():
form.content.data =content_file_handle(form.content.data, old_content=post.content)
form.tags.data = tags_handle(form.tags.data,old=tags)
post = field_obj_set(post,form.data)
db.session.add(post)
db.session.commit()
db.session.close()
flash('更新成功!', category='ok')
return redirect(url_for('admin.post'))
title = '更新文章'
data = dict(title=title, form=form, tags=Tag.tags(), id=id)
return render_template('admin/post.form.html', **data)
def create_bulk(self, k):
Tag.objects.bulk_create([Tag(name=name) for name in self.names(k)])
def get_context_data(self, **kwargs):
p = Tag(name='d')
p.save()
print(p.id)
return super().get_context_data()