def get(self):
"""
获取用户的收藏历史
"""
qs_parser = RequestParser()
qs_parser.add_argument('page',
type=inputs.positive,
required=False,
location='args')
qs_parser.add_argument('per_page',
type=inputs.int_range(
constants.DEFAULT_ARTICLE_PER_PAGE_MIN,
constants.DEFAULT_ARTICLE_PER_PAGE_MAX,
'per_page'),
required=False,
location='args')
args = qs_parser.parse_args()
page = 1 if args.page is None else args.page
per_page = args.per_page if args.per_page else constants.DEFAULT_ARTICLE_PER_PAGE_MIN
total_count, collections = cache_user.UserArticleCollectionsCache(
g.user_id).get_page(page, per_page)
results = []
for article_id in collections:
article = cache_article.ArticleInfoCache(article_id).get()
results.append(article)
return {
'total_count': total_count,
'page': page,
'per_page': per_page,
'results': results
}
def post(self):
"""
用户收藏文章
"""
req_parser = RequestParser()
req_parser.add_argument('target', type=parser.article_id, required=True, location='json')
req_parser.add_argument('Trace', type=inputs.regex(r'^.+$'), required=False, location='headers')
args = req_parser.parse_args()
target = args.target
# 记录埋点日志
if args.Trace:
article = cache_article.ArticleInfoCache(target).get()
write_trace_log(args.Trace, channel_id=article['ch_id'])
ret = 1
try:
collection = Collection(user_id=g.user_id, article_id=target)
db.session.add(collection)
db.session.commit()
except IntegrityError:
db.session.rollback()
ret = Collection.query.filter_by(user_id=g.user_id, article_id=target, is_deleted=True) \
.update({'is_deleted': False})
db.session.commit()
if ret > 0:
cache_user.UserArticleCollectionsCache(g.user_id).clear()
cache_statistic.ArticleCollectingCountStorage.incr(target)
cache_statistic.UserArticleCollectingCountStorage.incr(g.user_id)
return {'target': target}, 201
def delete(self, target):
"""
用户取消收藏
"""
ret = Collection.query.filter_by(user_id=g.user_id, article_id=target, is_deleted=False) \
.update({'is_deleted': True})
db.session.commit()
if ret > 0:
cache_user.UserArticleCollectionsCache(g.user_id).clear()
cache_statistic.ArticleCollectingCountStorage.incr(target, -1)
cache_statistic.UserArticleCollectingCountStorage.incr(g.user_id, -1)
return {'message': 'OK'}, 204
def get(self, article_id):
"""
获取文章详情
:param article_id: int 文章id
"""
user_id = g.user_id
# 查询文章数据
exist = cache_article.ArticleInfoCache(article_id).exists()
if not exist:
abort(404, message='The article does not exist.')
article = cache_article.ArticleDetailCache(article_id).get()
article['is_followed'] = False
article['attitude'] = None
# 增加用户是否收藏了文章
article['is_collected'] = False
if user_id:
# 非匿名用户添加用户的阅读历史
try:
cache_user.UserReadingHistoryStorage(user_id).save(article_id)
except ConnectionError as e:
current_app.logger.error(e)
# 查询关注
# article['is_followed'] = cache_user.UserFollowingCache(user_id).determine_follows_target(article['aut_id'])
article['is_followed'] = cache_user.UserRelationshipCache(
user_id).determine_follows_target(article['aut_id'])
# 增加用户是否收藏了文章
article['is_collected'] = cache_user.UserArticleCollectionsCache(
g.user_id).determine_collect_target(article_id)
# 更新阅读数
cache_statistic.ArticleReadingCountStorage.incr(article_id)
cache_statistic.UserArticlesReadingCountStorage.incr(article['aut_id'])
return article
def get(self, article_id):
"""
获取文章详情
:param article_id: int 文章id
"""
# 写入埋点日志
qs_parser = RequestParser()
qs_parser.add_argument('Trace', type=inputs.regex(r'^.+$'), required=False, location='headers')
args = qs_parser.parse_args()
user_id = g.user_id
# 查询文章数据
exist = cache_article.ArticleInfoCache(article_id).exists()
if not exist:
abort(404, message='The article does not exist.')
article = cache_article.ArticleDetailCache(article_id).get()
# 推荐系统所需埋点
if args.Trace:
write_trace_log(args.Trace, channel_id=article['ch_id'])
article['is_followed'] = False
article['attitude'] = None
# 增加用户是否收藏了文章
article['is_collected'] = False
if user_id:
# 非匿名用户添加用户的阅读历史
try:
cache_user.UserReadingHistoryStorage(user_id).save(article_id)
except ConnectionError as e:
current_app.logger.error(e)
# 查询关注
# article['is_followed'] = cache_user.UserFollowingCache(user_id).determine_follows_target(article['aut_id'])
article['is_followed'] = cache_user.UserRelationshipCache(user_id).determine_follows_target(article['aut_id'])
# 查询登录用户对文章的态度（点赞or不喜欢）
try:
# article['attitude'] = cache_article.ArticleUserAttitudeCache(user_id, article_id).get()
article['attitude'] = cache_user.UserArticleAttitudeCache(user_id).get_article_attitude(article_id)
except SQLAlchemyError as e:
current_app.logger.error(e)
article['attitude'] = -1
# 增加用户是否收藏了文章
article['is_collected'] = cache_user.UserArticleCollectionsCache(g.user_id).determine_collect_target(article_id)
# 获取相关文章推荐
article['recomments'] = []
try:
similar_articles = self._feed_similar_articles(article_id)
for _article_id in similar_articles:
_article = cache_article.ArticleInfoCache(_article_id).get()
article['recomments'].append({
'art_id': _article['art_id'],
'title': _article['title']
})
except Exception as e:
current_app.logger.error(e)
# 更新阅读数
cache_statistic.ArticleReadingCountStorage.incr(article_id)
cache_statistic.UserArticlesReadingCountStorage.incr(article['aut_id'])
return article