JunKikuchi

>>>>> [start 2019-04-03 22:58:26.043337 UTC]
[Client Request] {
  host      = firestore.googleapis.com:443
  secure    = True
  method    = POST
  timeout   = ResponseTimeoutMicro 70000000
  redirects = 10
  path      = /v1/projects/shogix/databases/(default)/documents:beginTransaction
  query     = ?alt=json
  headers   = authorization: Bearer ...omitted...; accept: application/json;charset=utf-8; content-type: application/json;charset=utf-8

JunKikuchi

import Data.Aeson
import Data.Text.Lazy as LazyT
import Data.Text.Lazy.Encoding as LazyT
import Data.Maybe

json <- LazyT.encodeUtf8 . LazyT.pack <$> readFile "foobar.json"
serviceAccount = fromJust (decode json :: Maybe ServiceAccount)
scopes = [T.pack "https://www.googleapis.com/auth/datastore", T.pack "https://www.googleapis.com/auth/cloud-platform"]
request <- createAccessTokenRequest scopes Nothing serviceAccount
token <- runGetAccessToken request

JunKikuchi

import Control.Lens
import Data.ProtoLens.Runtime.Data.ProtoLens
import Proto.Google.Firestore.V1beta1.Document as Doc
import Proto.Google.Firestore.V1beta1.Document_Fields as Doc
import Data.Text as T
import Data.Map

value = defMessage & maybe'valueType .~ (_Just # _Value'BooleanValue # Prelude.True) :: Doc.Value
-- {boolean_value: true}

JunKikuchi

data =<<END
水土土土土土土土土水水土
土水水水土土土土土水水水
土土土土水水土土土水水土
土土土土土土土土土水水土
土土土土土水土土土水土土
土土水土土土土土土水土土
土水土水土土土土土水水土
水土水土水土土土土土水土
土水土水土土土土土土水土

JunKikuchi

うた

• 日：https://www.youtube.com/watch?v=0cWzxJvgWc8
• 日：https://www.youtube.com/watch?v=BMBjKDSznuM
• 日：https://www.youtube.com/watch?v=lVj7J-78Gu8
• 月：https://www.youtube.com/watch?v=-Kobdb37Cwc
• 火：https://www.youtube.com/watch?v=sTsOOdi0F5g
• 水：
• 木：
• 金：https://www.youtube.com/watch?v=mGgMZpGYiy8 (仮)雰囲気が違いすぎる
• 土：https://www.youtube.com/watch?v=_Mnw9uiYggU

JunKikuchi

def lazy_fibs
  Enumerator.new do |y|
    a, b = 1, 1
    loop do
      y << a

      a, b = b, a + b
    end
  end.lazy
end

JunKikuchi

class FooWorker
  include Sidekiq::Worker
  
  def perform(user_id)
    user = User.find(user_id)  # user_id が見つからないというエラーが、発生したりしなかったり
    ...省略...
  end
end

JunKikuchi

user = nil

ActiveRecord::Base.transaction do
 user = User.create!(...省略...)
 ...省略...
end

FooWorker.perform_async(user.id) if user.present? # 非同期ジョブ投入

JunKikuchi

user = ActiveRecord::Base.transaction do
         user = User.create!(...省略...)
         ...省略...
         user
       end

FooWorker.perform_async(user.id) if user.present? # 非同期ジョブ投入

JunKikuchi

ActiveRecord::Base.transaction do
  user = User.create!(...省略...)
  ...省略...
  FooWorker.perform_async(user.id) # 非同期ジョブ投入
  ...省略...
end