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annotate app/models/tweet.rb @ 143:8a858aec1905

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Stringify the cache key
author nanaya <me@nanaya.pro>
date Wed, 13 Dec 2017 06:09:17 +0900
parents 2d873f57f424
children 1925b08153dc
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1 class Tweet
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2 TIMELINE_OPTIONS = {
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3 :count => 100,
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4 :exclude_replies => false,
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5 :include_rts => true,
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6 :tweet_mode => :extended,
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7 }
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8
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9 def initialize(twitter_id)
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10 @clients = {}
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11 @twitter_id = twitter_id
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12 end
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13
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14 def cache_expires_time
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15 (15 + rand(15)).minutes
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16 end
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17
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18 def timeline
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19 initial_config_id = client_config_id
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20
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21 @timeline ||=
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22 Rails.cache.fetch("timeline:v1:#{@twitter_id}", :expires_in => cache_expires_time) do
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23 begin
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24 timeline = client.user_timeline(@twitter_id, TIMELINE_OPTIONS)
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25 rescue Twitter::Error::TooManyRequests
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26 @client_config_id += 1
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27
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28 if initial_config_id == client_config_id
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29 raise
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30 else
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31 retry
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32 end
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33 end
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34
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35 timeline.select do |tweet|
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36 tweet.retweeted_status.nil? || tweet.user.id != tweet.retweeted_status.user.id
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37 end.map do |tweet|
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38 # Fails when there's Twitter::NullObject initiated somewhere in previous select
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39 # Reference: https://github.com/sferik/twitter/issues/892
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40 tweet.to_h
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41 end
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42 end.map do |tweet_hash|
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43 Twitter::Tweet.new(tweet_hash)
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44 end
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45 end
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46
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47 def user
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48 @user ||=
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49 if timeline.any?
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50 timeline.first.user
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51 else
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52 Rails.cache.fetch("user:v1:#{@twitter_id}", :expires_in => cache_expires_time) do
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53 client.user(@twitter_id)
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54 end
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55 end
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56 end
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57
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58 def client
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59 @clients[client_config_id] ||=
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60 Twitter::REST::Client.new do |config|
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61 $cfg[:twitter][client_config_id].each do |cfg_key, cfg_value|
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62 config.public_send(:"#{cfg_key}=", cfg_value)
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63 end
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64 end
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65 end
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67 def client_config_id
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68 @client_config_id ||= 0
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69
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70 @client_config_id %= $cfg[:twitter].size
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71 end
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72 end