def query_landmark():
lat = request.args.get('lat')
lng = request.args.get('lng')
# if lat == None or lng == None:
# return '{}'
#
# latlng = str(lat) + "," + str(lng)
#
# if latlng not in landmark.LANDMARK_KEYWORDS:
# return '{}'
lm = landmark.getlandmark(lat, lng)
if lm == None:
return '{}'
first_keyword = landmark.LANDMARK_KEYWORDS[lm.location][0]
related_news_ids = lm.related_news
logging.info("Query position has " + str(len(related_news_ids)) + " news")
return_dict = {'landmark_name': first_keyword}
return_list = []
for news_key in related_news_ids:
key = db.Key(news_key)
entry = NewsModel.all().filter('__key__ =', key).get()
if entry != None:
dic = {}
dic['news_id'] = news_key
dic['title'] = entry.title
return_list.append(dic)
return_dict['news_list'] = return_list
return json.dumps(return_dict)
def query_landmark():
lat = request.args.get('lat')
lng = request.args.get('lng')
# if lat == None or lng == None:
# return '{}'
#
# latlng = str(lat) + "," + str(lng)
#
# if latlng not in landmark.LANDMARK_KEYWORDS:
# return '{}'
lm = landmark.getlandmark(lat, lng)
if lm == None:
return '{}'
first_keyword = landmark.LANDMARK_KEYWORDS[lm.location][0]
related_news_ids = lm.related_news
logging.info("Query position has " + str(len(related_news_ids)) + " news")
return_dict = {'landmark_name': first_keyword}
return_list = []
for news_key in related_news_ids:
key = db.Key(news_key)
entry = NewsModel.all().filter('__key__ =', key).get()
if entry != None:
dic = {}
dic['news_id'] = news_key
dic['title'] = entry.title
return_list.append(dic)
return_dict['news_list'] = return_list
return json.dumps(return_dict)
def perform_create_landmark():
logging.info("Start to create landmark database")
all_news = NewsModel.all()
for latlng in landmark.LANDMARK_KEYWORDS:
counter = 0
keywords = landmark.LANDMARK_KEYWORDS[latlng]
related_news_keys = []
for news in all_news:
result = is_keyword_in_news(keywords, news.title, news.content)
if result == True:
related_news_keys.append(str(news.key()))
counter += 1
ret = str(related_news_keys)
lm = landmark.Landmark(latlng, related_news_keys)
lm.writetodb()
logging.info("Create database for " + str(latlng) +
" completed, it has " + str(counter) + " news")
logging.info("All database for landmark are completed")
return "Write to db complete"
def query_article():
key = db.Key(request.args.get('news_key'))
entry = NewsModel.all().filter('__key__ =', key).get()
if entry != None:
return json.dumps({"title" : entry.title,
"datetime" : str(entry.news_datetime),
"article" : entry.content,
"popularity" : entry.popularity,
"image_url" : entry.news_first_image_url,
"url" : entry.news_url})
else:
return '{}'
def query_article():
key = db.Key(request.args.get('news_key'))
entry = NewsModel.all().filter('__key__ =', key).get()
if entry != None:
return json.dumps({
"title": entry.title,
"datetime": str(entry.news_datetime),
"article": entry.content,
"popularity": entry.popularity,
"image_url": entry.news_first_image_url,
"url": entry.news_url
})
else:
return '{}'
def perform_create_landmark():
logging.info("Start to create landmark database")
all_news = NewsModel.all()
for latlng in landmark.LANDMARK_KEYWORDS:
counter = 0
keywords = landmark.LANDMARK_KEYWORDS[latlng]
related_news_keys = []
for news in all_news:
result = is_keyword_in_news(keywords, news.title, news.content)
if result == True:
related_news_keys.append(str(news.key()))
counter += 1
ret = str(related_news_keys)
lm = landmark.Landmark(latlng, related_news_keys)
lm.writetodb()
logging.info("Create database for " + str(latlng) + " completed, it has " + str(counter) + " news")
logging.info("All database for landmark are completed")
return "Write to db complete"