mirror of
https://github.com/pds-nest/nest.git
synced 2024-11-25 06:24:19 +00:00
249 lines
13 KiB
Python
249 lines
13 KiB
Python
import random
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from nest_backend.app import app
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from nest_backend.database import *
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import tweepy as tw
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from datetime import datetime, timedelta
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import smtplib
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from nest_backend.app import app, extension_sqlalchemy
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ext.init_app(app=app)
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def authenticate():
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c_k = "GEhtSyP9e98mzFeiOCSW0lvQX"
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c_s = "438cmYrl5xqaX2W7I2Bf5A9nF1pN5VtM9f77WYQnAXg1BwKJ27"
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a_t = "1380217745732689921-IW3U1JlxhnQeGBUrnHZ2nxbxhksXUZ"
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a_t_s = "EUoYNoj72rb2q00tUIW8eTcLJAhUAYPstZlV78W9cPpEJ"
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auth = tw.OAuthHandler(c_k, c_s)
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auth.set_access_token(a_t, a_t_s)
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api = tw.API(auth, wait_on_rate_limit=True)
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# client = tw.Client(b_t, c_k, c_s, a_t, a_t_s, wait_on_rate_limit=True);
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return api
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def search_repo_conditions(repository_id):
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api = authenticate()
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geocode = "44.3591600,11.7132000,20km"
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repo = Repository.query.filter_by(id=repository_id).first()
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if repo is None:
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print("Non esiste una repository con questo id")
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return False
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conditions = [use for use in repo.conditions]
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if len(conditions) == 0:
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return False
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evaluation_mode = repo.evaluation_mode
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conditions_type = dict()
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# Dividing condition into condition types
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for condition in conditions:
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# print(condition.id)
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if condition.type not in conditions_type.keys():
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conditions_type[condition.type] = [condition]
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else:
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conditions_type[condition.type].append(condition)
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queryString = ""
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queryConjunction = "OR" if (evaluation_mode == ConditionMode.all_or) else ""
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tweetsFound = []
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for types in conditions_type.keys():
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print(types, ":", conditions_type[types])
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coordinates_string = ""
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if ConditionType.hashtag in conditions_type.keys():
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for condition_content in conditions_type[ConditionType.hashtag]:
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queryString += ("#" + condition_content.content + " " + queryConjunction + " ")
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if ConditionType.coordinates in conditions_type.keys():
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if evaluation_mode == ConditionMode.all_and:
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if len(conditions_type[ConditionType.coordinates]) == 1:
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coordinates_tweet = conditions_type[ConditionType.coordinates][0].content.split()
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coordinates_string = coordinates_tweet[2] + "," + coordinates_tweet[3] + "," + str(float(coordinates_tweet[1])/1000) + "km"
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else:
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return None
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elif evaluation_mode == ConditionMode.all_or:
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for condition_content in conditions_type[ConditionType.coordinates]:
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coordinates_tweet = condition_content.content.split()
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coordinates_string = coordinates_tweet[2] + "," + coordinates_tweet[3] + "," + str(float(coordinates_tweet[1])/1000) + "km"
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print(coordinates_string)
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for tweet in tw.Cursor(method=api.search, q="", geocode=coordinates_string).items(10):
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if not Tweet.query.filter_by(snowflake=str(tweet.id)).all():
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image_url_list = ''
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if 'media' in tweet.entities.keys():
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for url in tweet.entities['media']:
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image_url_list += (url['media_url_https'] + '|')
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image_url_list = image_url_list[:-1]
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else:
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image_url_list = None
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tweetDB = Tweet(snowflake=tweet.id, content=tweet.text,
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location=tweet.geo['coordinates'] if tweet.geo is not None else None,
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place=tweet.place.full_name if tweet.place is not None else None,
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insert_time=str(datetime.now()),
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poster=tweet.author.screen_name, post_time=str(tweet.created_at), image_url=image_url_list)
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ext.session.add(tweetDB)
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ext.session.commit()
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if not Contains.query.filter_by(snowflake=str(tweet.id), cid=condition_content.id).all():
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condition_associated = Contains(cid=condition_content.id, snowflake=tweet.id)
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ext.session.add(condition_associated)
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ext.session.commit()
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if not Composed.query.filter_by(snowflake=str(tweet.id), rid=repository_id).all():
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composed = Composed(rid=repository_id, snowflake=tweet.id)
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ext.session.add(composed)
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ext.session.commit()
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if ConditionType.user in conditions_type.keys():
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for condition_content in conditions_type[ConditionType.user]:
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queryString += ("from:" + condition_content.content + " " + queryConjunction + " ")
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if ConditionType.time in conditions_type.keys():
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for condition_content in conditions_type[ConditionType.time]:
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if condition_content.content[0] == '<':
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queryString += ("until:" + condition_content.content[2:] + " " + queryConjunction + " ")
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elif condition_content.content[0] == '>':
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queryString += ("since:" + condition_content.content[2:] + " " + queryConjunction + " ")
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queryString = queryString[:-len(queryConjunction) - 1]
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print(queryString)
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if evaluation_mode == ConditionMode.all_or:
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if queryString != "":
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for tweet in tw.Cursor(method=api.search, q=queryString).items(10):
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tweetsFound.append(tweet)
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print(tweet.user.name + ' : ' + tweet.text + ' : ' + tweet.geo if tweet.geo is not None else '')
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elif evaluation_mode == ConditionMode.all_and:
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for tweet in tw.Cursor(method=api.search, q=queryString, geocode=coordinates_string).items(10):
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tweetsFound.append(tweet)
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print(tweet.user.name + ' : ' + tweet.text + ' : ' + str(tweet.geo))
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for tweet in tweetsFound:
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if not Tweet.query.filter_by(snowflake=str(tweet.id)).all():
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image_url_list = ''
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if 'media' in tweet.entities.keys():
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for url in tweet.entities['media']:
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image_url_list += (url['media_url_https'] + '|')
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image_url_list = image_url_list[:-1]
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else:
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image_url_list = None
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tweetDB = Tweet(snowflake=tweet.id, content=tweet.text,
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location=tweet.geo['coordinates'] if tweet.geo is not None else None,
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place=tweet.place.full_name if tweet.place is not None else None,
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insert_time=str(datetime.now()),
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poster=tweet.author.screen_name, post_time=str(tweet.created_at), image_url=image_url_list)
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ext.session.add(tweetDB)
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ext.session.commit()
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if evaluation_mode == ConditionMode.all_or:
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if ConditionType.hashtag in conditions_type.keys():
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for condition_content in conditions_type[ConditionType.hashtag]:
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if condition_content.content in [hashtag['text'] for hashtag in tweet.entities['hashtags']]:
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if not Contains.query.filter_by(snowflake=str(tweet.id), cid=condition_content.id).all():
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condition_associated = Contains(cid=condition_content.id, snowflake=tweet.id)
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ext.session.add(condition_associated)
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ext.session.commit()
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if ConditionType.user in conditions_type.keys():
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for condition_content in conditions_type[ConditionType.user]:
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if condition_content.content == tweet.author.screen_name:
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if not Contains.query.filter_by(snowflake=str(tweet.id), cid=condition_content.id).all():
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condition_associated = Contains(cid=condition_content.id, snowflake=tweet.id)
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ext.session.add(condition_associated)
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ext.session.commit()
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if ConditionType.time in conditions_type.keys():
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for condition_content in conditions_type[ConditionType.time]:
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condition_date_time = datetime.fromisoformat(condition_content.content[2:])
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if condition_content.content[0] == '<':
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if tweet.created_at < condition_date_time:
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if not Contains.query.filter_by(snowflake=str(tweet.id), cid=condition_content.id).all():
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condition_associated = Contains(cid=condition_content.id, snowflake=tweet.id)
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ext.session.add(condition_associated)
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ext.session.commit()
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elif condition_content.content[0] == '>':
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if tweet.created_at > condition_date_time:
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if not Contains.query.filter_by(snowflake=str(tweet.id), cid=condition_content.id).all():
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condition_associated = Contains(cid=condition_content.id, snowflake=tweet.id)
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ext.session.add(condition_associated)
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ext.session.commit()
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elif evaluation_mode == ConditionMode.all_and:
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for condition in conditions:
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if not Contains.query.filter_by(snowflake=str(tweet.id), cid=condition.id).all():
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condition_associated = Contains(cid=condition.id, snowflake=tweet.id)
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ext.session.add(condition_associated)
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ext.session.commit()
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if not Composed.query.filter_by(snowflake=str(tweet.id), rid=repository_id).all():
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composed = Composed(rid=repository_id, snowflake=tweet.id)
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ext.session.add(composed)
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ext.session.commit()
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def is_repo_alert_triggered(repository_id):
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repo = Repository.query.filter_by(id=repository_id).first()
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if repo is None:
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print("Non esiste una repository con questo id")
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return False
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alerts = [alert for alert in repo.alerts]
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alerts_triggered = []
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for alert in alerts:
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evaluation_mode = alert.evaluation_mode
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conditions = [condition.condition for condition in alert.conditions]
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repo_tweets = [tweet.tweet for tweet in repo.tweets]
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alert_tweets = set(repo_tweets)
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if evaluation_mode == ConditionMode.all_and:
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for condition in conditions:
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alert_tweets.intersection(set([tweet.tweet for tweet in condition.tweets]))
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elif evaluation_mode == ConditionMode.all_or:
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conditions_tweet = set()
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for condition in conditions:
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conditions_tweet.update([tweet.tweet for tweet in condition.tweets])
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alert_tweets = alert_tweets.intersection(conditions_tweet)
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end_time = datetime.now()
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window_size_hours = timedelta(hours = alert.window_size)
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last_notification_time = min([notification.ora for notification in alert.notifications] if len(alert.notifications)>0 else [end_time - window_size_hours])
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start_time = max(end_time - window_size_hours, last_notification_time)
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alert_tweets = [tweet for tweet in alert_tweets if (end_time > tweet.insert_time > start_time)]
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print(f"I tweet corrispondenti sono:{len(alert_tweets)}")
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if len(alert_tweets) >= alert.limit:
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alert_notification = Notification(ora=str(datetime.now()), alert_id=alert.id)
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ext.session.add(alert_notification)
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ext.session.commit()
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print("alert triggered")
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alerts_triggered.append(alert)
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send_notification_email(alert)
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send_notification_tweet(alert)
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def send_notification_email(alert):
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owner_repo = alert.repository.owner
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conditions_string = ''
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for condition in alert.conditions:
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conditions_string += condition.condition.content + ','
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conditions_string = conditions_string[:-1]
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try:
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smtpObj = smtplib.SMTP('localhost')
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smtpObj.sendmail("alert@nest.com", owner_repo.email, "Alert triggered")
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print("Successfully sent email")
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except smtplib.SMTPException:
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print("Error: unable to send email")
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finally:
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if smtpObj is not None:
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smtpObj.close()
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def send_notification_tweet(alert):
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api = authenticate()
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conditions_string = ''
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for condition in alert.conditions:
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conditions_string += condition.condition.content + ','
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conditions_string = conditions_string[:-1]
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print(conditions_string)
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api.update_status(f"L'alert {alert.name} è stato attivato! C'è stato un incremento di popolarità negli argomenti di ricerca {conditions_string}")
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def send_test_tweet():
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api = authenticate()
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api.update_status("Test")
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def search_all_repo():
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active_repos = Repository.query.filter_by(is_active=True)
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for repo_id in [active_repo.id for active_repo in active_repos]:
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search_repo_conditions(repo_id)
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is_repo_alert_triggered(repo_id)
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if __name__ == "__main__":
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with app.app_context():
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search_all_repo()
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