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53 lines
3.3 KiB
Python
53 lines
3.3 KiB
Python
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from datetime import datetime
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from math import cos, radians
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from nest_backend.database import *
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def associate_condition_tweet(conditions_type, tweet):
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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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if ConditionType.coordinates in conditions_type.keys():
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for condition_content in conditions_type[ConditionType.coordinates]:
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coordinates = condition_content.content.split()
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if tweet.geo is not None and is_coordinate_inside_bounding_box(float(coordinates[2]), float(coordinates[3]), float(coordinates[1])/1000, tweet.geo['coordinates'][0], tweet.geo['coordinates'][1]):
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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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def is_coordinate_inside_bounding_box(latitude, longitude, radius, tweet_latitude, tweet_longitude):
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earth_radius_km = 6371
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dLatitude = 360 * radius / earth_radius_km
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dLongitude = dLatitude * cos(radians(latitude))
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if (latitude - dLatitude < tweet_latitude < latitude+dLatitude) and (longitude-dLongitude < tweet_longitude < longitude+dLongitude):
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return True
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