Mercurial > rsstweet
annotate app/models/tweet.rb @ 158:74422bae017d
Always use canonical id and turn cache time generator a class method
| author | nanaya <me@nanaya.pro> |
|---|---|
| date | Fri, 03 Aug 2018 01:38:53 +0900 |
| parents | 6e6051cd9cca |
| children | 4e4195e60c2b |
| rev | line source |
|---|---|
| 15 | 1 class Tweet |
| 137 | 2 TIMELINE_OPTIONS = { |
| 3 :count => 100, | |
| 4 :exclude_replies => false, | |
| 5 :include_rts => true, | |
| 6 :tweet_mode => :extended, | |
| 7 } | |
| 8 | |
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Always use canonical id and turn cache time generator a class method
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9 def self.cache_expires_time |
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10 (15 + rand(15)).minutes |
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11 end |
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12 |
| 135 | 13 def initialize(twitter_id) |
| 14 @clients = {} | |
| 15 @twitter_id = twitter_id | |
| 16 end | |
| 17 | |
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18 def id |
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19 user.id |
| 152 | 20 end |
| 21 | |
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The caching becomes a bit confusing because of parameters
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22 def timeline |
| 145 | 23 if @timeline.nil? |
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24 cache_key = "timeline:v2:#{id}/#{Base64.urlsafe_encode64 id.to_s}" |
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25 raw = Rails.cache.fetch(cache_key, :expires_in => self.class.cache_expires_time) do |
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26 client_try(:user_timeline, id, TIMELINE_OPTIONS).tap do |data| |
| 145 | 27 if data[:result] == :ok |
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28 if data[:data].any? && data[:data].first.user.id != id |
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Try tracing where the failures happen
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29 wrong_user = data[:data].first.user |
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30 throw "Wrong timeline data. Requested: #{id}, got: #{wrong_user.id} (#{wrong_user.name.printable})" |
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31 end |
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32 |
| 145 | 33 data[:data] = data[:data].select do |tweet| |
| 34 tweet.retweeted_status.nil? || tweet.user.id != tweet.retweeted_status.user.id | |
| 35 end.map { |tweet| tweet.to_h } | |
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Only try/catch the tweet downloading part
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36 end |
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Allows usage of multiple twitter keys
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37 end |
| 145 | 38 end |
| 141 | 39 |
| 145 | 40 raise Twitter::Error::NotFound if raw[:result] == :not_found |
| 144 | 41 |
| 145 | 42 @timeline = raw[:data].map { |tweet_hash| Twitter::Tweet.new(tweet_hash) } |
| 43 end | |
| 44 | |
| 45 @timeline | |
| 15 | 46 end |
| 47 | |
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48
8983c426e256
Prevent exploding on empty timeline.
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48 def user |
| 145 | 49 if @user.nil? |
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parents:
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50 raw = Rails.cache.fetch("user:v1:#{@twitter_id}", :expires_in => self.class.cache_expires_time) do |
| 145 | 51 client_try :user, @twitter_id |
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nanaya <me@myconan.net>
parents:
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52 end |
| 145 | 53 |
| 54 raise Twitter::Error::NotFound if raw[:result] == :not_found | |
| 55 | |
| 56 @user = raw[:data] | |
| 57 end | |
| 58 | |
| 59 @user | |
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8983c426e256
Prevent exploding on empty timeline.
nanaya <me@myconan.net>
parents:
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60 end |
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8983c426e256
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nanaya <me@myconan.net>
parents:
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61 |
| 135 | 62 def client |
| 63 @clients[client_config_id] ||= | |
| 64 Twitter::REST::Client.new do |config| | |
| 65 $cfg[:twitter][client_config_id].each do |cfg_key, cfg_value| | |
| 138 | 66 config.public_send(:"#{cfg_key}=", cfg_value) |
| 135 | 67 end |
| 68 end | |
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nanaya <me@myconan.net>
parents:
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69 end |
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parents:
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70 |
| 145 | 71 def client_try(method, *args) |
| 72 initial_config_id = client_config_id | |
| 73 | |
| 74 begin | |
| 75 data = client.public_send method, *args | |
| 76 rescue Twitter::Error::TooManyRequests | |
| 77 @client_config_id += 1 | |
| 78 | |
| 79 if initial_config_id == client_config_id | |
| 80 raise | |
| 81 else | |
| 82 retry | |
| 83 end | |
| 84 rescue Twitter::Error::NotFound | |
| 85 return { :result => :not_found } | |
| 86 end | |
| 87 | |
| 88 { :result => :ok, :data => data } | |
| 89 end | |
| 90 | |
| 135 | 91 def client_config_id |
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74422bae017d
Always use canonical id and turn cache time generator a class method
nanaya <me@nanaya.pro>
parents:
157
diff
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92 @client_config_count ||= $cfg[:twitter].size |
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74422bae017d
Always use canonical id and turn cache time generator a class method
nanaya <me@nanaya.pro>
parents:
157
diff
changeset
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93 @client_config_id ||= rand(@client_config_count) |
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76
0c023d35cd80
Allows usage of multiple twitter keys
nanaya <me@myconan.net>
parents:
73
diff
changeset
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94 |
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158
74422bae017d
Always use canonical id and turn cache time generator a class method
nanaya <me@nanaya.pro>
parents:
157
diff
changeset
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95 @client_config_id %= @client_config_count |
| 15 | 96 end |
| 97 end |