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143 lines
7.7 KiB
Python
143 lines
7.7 KiB
Python
from nest_backend.database import *
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import authentication
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from datetime import datetime, timedelta
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import tweepy as tw
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from associate_condition_tweet import associate_condition_tweet
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def search_repo_conditions(repository_id):
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api = authentication.authenticate()
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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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print(f"Searching tweets from repo: {repo.name}")
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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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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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# Adding to the query string the hashtag conditions
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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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# Adding to the coordinates string the coordinates condition
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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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# Adding to the query string the user condition
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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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# Adding to the query string the time condition
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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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# End of query string
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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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associate_condition_tweet(conditions_type, tweet)
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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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alerts = [alert for alert in repo.alerts]
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for alert in alerts:
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alert_conditions = [condition.condition for condition in alert.conditions]
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alert_conditions_type = dict()
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for condition in alert_conditions:
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if condition.type not in alert_conditions_type.keys():
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alert_conditions_type[condition.type] = [condition]
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else:
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alert_conditions_type[condition.type].append(condition)
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associate_condition_tweet(alert_conditions_type, tweet)
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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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print(f"Done searching tweets from repo: {repo.name}")
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