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eb9781ed | 1 | import os |
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2 | from sqlalchemy import create_engine |
3 | from sqlalchemy.orm import sessionmaker | |
4 | from table_def import Map | |
eb9781ed | 5 | from .table_def import * |
18cab06a | 6 | |
b2b933a9 | 7 | |
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8 | class RainbowDB(): |
9 | ||
b2b933a9 | 10 | engine = None |
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11 | |
12 | def __init__(self): | |
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13 | if not os.path.isfile('rainbow.db'): |
14 | init_db() | |
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15 | self.engine = create_engine('sqlite:///rainbow.db', echo=False) |
16 | ||
17 | def store(self, tweet_id): | |
908d5012 | 18 | """ |
19 | Store tweet id | |
20 | """ | |
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21 | Session = sessionmaker(bind=self.engine) |
22 | session = Session() | |
23 | m = Map(tweet_id) | |
24 | session.add(m) | |
25 | session.commit() | |
26 | ||
27 | def rainbow_query(self, rid): | |
908d5012 | 28 | """ |
29 | Query base of rainbow id | |
30 | """ | |
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31 | Session = sessionmaker(bind=self.engine) |
32 | session = Session() | |
78b81730 | 33 | res = session.query(Map).filter("rainbow_id =:rid").params(rid=rid).all() |
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34 | return res |
35 | ||
36 | def tweet_query(self, tid): | |
908d5012 | 37 | """ |
38 | Query base of tweet id | |
39 | """ | |
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40 | Session = sessionmaker(bind=self.engine) |
41 | session = Session() | |
78b81730 | 42 | res = session.query(Map).filter("tweet_id =:tid").params(tid=tid).all() |
18cab06a | 43 | return res |
908d5012 | 44 | |
45 | def truncate(self): | |
46 | """ | |
47 | Truncate table | |
48 | """ | |
49 | Session = sessionmaker(bind=self.engine) | |
50 | session = Session() | |
51 | session.query(Map).delete() | |
52 | session.commit() |