def search_hashtag_by_id(hashtag):
session = get_session()
session = session()
tag_query = session.query(HashTag).filter(HashTag.id == hashtag).all()
if tag_query:
session.close()
return tag_query[0].name
else:
session.close()
return None
def n_tweets_hash(id_hashtag):
session = get_session()
session = session()
tag_query = session.query(TagTweet).filter(
TagTweet.id_hashtag == id_hashtag).all()
if tag_query:
number = len(tag_query)
return number
else:
session.close()
return 0
def insert_hashtag(hashtag_obj):
session = get_session()
session = session()
new_hashtag = HashTag()
new_hashtag.name = hashtag_obj.get_name()
session.add(new_hashtag)
session.commit()
session.refresh(new_hashtag)
hashtag_id = new_hashtag.id
session.close()
return hashtag_id
def insert_user(user_obj):
session = get_session()
session = session()
new_user = User()
new_user.username = user_obj.get_username()
new_user.id_location = user_obj.get_location()
session.add(new_user)
session.commit()
session.refresh(new_user)
user_id = new_user.id
session.close()
return user_id
def insert_feeling(name):
session = get_session()
session = session()
new_feeling = Feeling()
print("------------------------------------------", name)
new_feeling.name = name
session.add(new_feeling)
session.commit()
session.refresh(new_feeling)
feeling_id = new_feeling.id
session.close()
return feeling_id
def insert_relation_tweet_tag(id_hashtag, id_tweet):
session = get_session()
session = session()
new_relation = TagTweet()
new_relation.id_hashtag = id_hashtag
new_relation.id_tweet = id_tweet
session.add(new_relation)
session.commit()
session.refresh(new_relation)
relation_id = new_relation.id
session.close()
return relation_id
def n_tweets_feeling(id_feeling, id_hashtag):
session = get_session()
session = session()
feeling_query = session.query(Tweet).filter(
Tweet.id_feeling == id_feeling).join(TagTweet).filter(
TagTweet.id_hashtag == id_hashtag).all()
if feeling_query:
number = len(feeling_query)
print(feeling_query)
return number
else:
session.close()
return 0
def search_user_by_id(id):
session = get_session()
session = session()
user_query = session.query(User).filter(User.id == id).all()
if user_query:
user_query = user_query[0]
user_obj = UserObj(user_query.username)
user_obj.set_id(user_query.id)
session.close()
return user_obj
else:
session.close()
return None
def insert_font(font_obj):
session = get_session()
session = session()
new_font = Font()
new_font.id_user = font_obj.get_user()
new_font.url = font_obj.get_url()
new_font.trust = font_obj.is_reliable()
session.add(new_font)
session.commit()
session.refresh(new_font)
font_id = new_font.id
session.close()
return font_id
def search_feeling(feeling):
session = get_session()
session = session()
feeling_query = session.query(Feeling).filter(
Feeling.name == feeling).all()
if feeling_query:
feeling_query = feeling_query[0]
n_feeling = feeling_query.name, feeling_query.id
session.close()
return n_feeling
else:
session.close()
return None
def insert_location(location_obj):
session = get_session()
session = session()
new_location = Location()
new_location.name = location_obj.get_name()
new_location.latitude = location_obj.get_latitude()
new_location.longitude = location_obj.get_longitude()
session.add(new_location)
session.commit()
session.refresh(new_location)
location_id = new_location.id
session.close()
return location_id
def search_hashtag(hashtag):
session = get_session()
session = session()
tag_query = session.query(HashTag).filter(HashTag.name == hashtag).all()
if tag_query:
tag_query = tag_query[0]
tag_obj = HashTagObj(tag_query.name)
tag_obj.set_id(tag_query.id)
session.close()
return tag_obj
else:
session.close()
return None
def search_location_by_id(id):
session = get_session()
session = session()
location_query = session.query(Location).filter(Location.id == id ).all()
if location_query:
location_query = location_query[0]
location_obj = LocationObj(location_query.name)
location_obj.set_id(location_query.id)
location_obj.set_latitude(location_query.latitude)
location_obj.set_longitude(location_query.longitude)
session.close()
return location_obj
else:
session.close()
return None
def search_font(font_obj):
session = get_session()
session = session()
font_query = session.query(Font).filter(
Font.url == font_obj.get_url()
or Font.id_user == font_obj.get_user()).all()
if font_query:
font_query = font_query[0]
font_obj = FontObj()
font_obj.set_id(font_query.id)
font_obj.set_reliability(font_query.trust)
font_obj.set_user(font_query.id_user)
font_obj.set_url(font_query.url)
session.close()
return font_obj
else:
session.close()
return None
def insert_tweet(tweet_obj):
session = get_session()
session = session()
new_tweet = Tweet()
new_tweet.text = tweet_obj.get_text()
new_tweet.id_user = tweet_obj.get_user()
new_tweet.id_location = tweet_obj.get_location()
new_tweet.id_feeling = tweet_obj.get_feeling()
new_tweet.id_font = tweet_obj.get_font()
new_tweet.id_hashtag = tweet_obj.get_hashtag()
new_tweet.n_likes = tweet_obj.number_likes()
new_tweet.n_reply = tweet_obj.number_reply()
new_tweet.n_retweets = tweet_obj.number_retweet()
new_tweet.data = tweet_obj.get_data()
new_tweet.fake = tweet_obj.is_reliable()
session.add(new_tweet)
session.commit()
session.refresh(new_tweet)
tweet_id = new_tweet.id
session.close()
return tweet_id