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Golang_chromedp_slack_botでslackの絵文字自動生成ボットをつくってみた.pdf
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bmf_san
August 12, 2020
Programming
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Golang_chromedp_slack_botでslackの絵文字自動生成ボットをつくってみた.pdf
bmf_san
August 12, 2020
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Transcript
SlackֆจࣈੜbotΛͭͬͯ͘Έͨ @bmf_san
CPUΛͭͬͨ͘ https://github.com/bmf-san/emoji-generator-slack-app
Slack botʹmention͢Δͱը૾ੜͯ͘͠ΕΔ 4FSWFS ը૾ੜ !CPUCMVFTLZCMVFTMBDLFNPKJ
Slack botͷ࡞Γํ ɾࠓճGoͰͭͬͨ͘ ɾGoͰSlack BotΛ࡞Δʹɺ͜ͷهࣄ͕͔Γ͢ ͍ͷͰৄࡉׂѪ →https://qiita.com/frozenbonito/items/ cf75dadce12ef9a048e9 ɾmentionʹԠ͢Δ͚ͩͷbotൺֱత؆୯ɻdialog ͱ͔interactiveͳ͍ͭ͠ɺͱ͍͏͔໘..
ը૾ੜͷ ɾGoͰը૾ॲཧˠඪ४ͷimageύοέʔδ͕͑Δ ɾimagemagickͷΑ͏ʹॆ࣮ ɾϞβΠΫॲཧɺը૾߹ɺτϦϛϯάɺςΩετඳ ըͱ͔ۃΊΔͱָͦ͠͏ͳύοέʔδ
imageύοέʔδ͏ʁ ɾͬͯΑ͍͕ࠓճΘͳ͔ͬͨ ɾը૾ੜͷͨΊʹඳըͷύϥϝʔλΛνϡʔχϯά ͍ͯ͘͠ͷ͕ۤ࿑ͦ͠͏ɺͬͱָʹΓ͍ͨ ɾtruetypeϑΥϯτ͔͠αϙʔτ͞Ε͍ͯͳ͍
ϔουϨεϒϥβΛ༻͍ͨը૾ੜ ɾϔουϨεϒϥβΛىಈˠSS ɾϑϩϯτΤϯυͰը૾͍͡ΕΔɺCSSΑ͠ɺJS Α͠ ɾϒϥβ͕ରԠ͍ͯ͠ΔfontͳΒΑ͠ ɾࠓճslackֆจࣈͷͨΊͰ͕͢ɺOGPࣗಈੜͱ ͔૬ੑྑͦ͞͏
GoͰϔουϨεϒϥβΛૢΔ ɾChromedp https://github.com/chromedp/chromedp ɾchrome devtools protocolʢchromeΛૢ࡞͢ΔͨΊ ͷϓϩτίϧʣΛαϙʔτ͍ͯ͠Δͭ ɾSeleniumPhantomJSͱ͍ͬͨ֎෦ґଘͳ͠ ɾUI͖Ͱͳ͠ͰchromeΛૢΕΔ
None
chromedpΛͬͯը૾ੜ ɾbotͷϝϯγϣϯʹ͍͍ͭͯΔύϥϝʔλΛը૾ ੜͷͨΊͷೖྗͱͯ͠ѻ͏ ɾ@botname [color] [bgColor] [line1] [line2(optional)] MJOFɺ͕͋Δͱ͖ MJOF͚͕ͩ͋Δͱ͖
chromedpΛͬͯը૾ੜ ɾड͚औͬͨೖྗΛςϯϓϨʔτϑΝΠϧʹల։
None
chromedpΛͬͯը૾ੜ ɾड͚औͬͨೖྗΛςϯϓϨʔτϑΝΠϧʹల։ →canvasΛͬͯඳըʢCSS͚ͩͰΓ͔͕ͨͬͨɺεΫγϣͨͱ͖ ʹ༨ന্͕ࠞͬͯ͟ख͘Ͱ͖ͳ͔ͬͨɻɻcavasͩͱΩϨΠʹͰ͖ ͨʣ ɾ”ը૾ੜͷͨΊʹඳըͷύϥϝʔλΛνϡʔχϯά͍ͯ͘͠ͷ͕ۤ ࿑ͦ͠͏ɺͬͱָʹΓ͍ͨ” →݁ہςΩετඳըͷͨΊͷx࣠ɺy࣠ͷௐΛͬͨ
·ͱΊ ɾGoඪ४ͷimageύοέʔδͰྑ͔ͬͨʂʂʢfontʹ ͩ͜ΘΓͳ͔ͬͨͷͰɾɾʣ