The way of 
 truly serverless application Firebase.Yebisu #1

ࣗݾ঺հ ࡾӜ ࿨໵ (ID: miup) • ࠓ೥৽ଔͰೖࣾ (ࠃ಺ࣄۀ։ൃ෦ॴଐ) • ݄̑ͷ഑ଐ͔Β Firebase Λ৮Γ࢝Ίͨ • iOS ΞϓϦ͸̐೥͘Β͍ॻ͍͍ͯΔ

Truly Serverless?

Truly Serverless • ج൫͸͢΂ͯ֎෦ BaaS, SaaS ʹґଘ • ॻ͘ͷ͸ΫϥΠΞϯτΞϓϦέʔγϣϯͱͦ ΕΒαʔϏεͱͷ࿈ܞͷΈ

Firebase Ͱे෼Ͱ͸ʁ

Firebase ͷ೉఺ • DB ͷΫΤϦ͕ѹ౗తʹऑ͍ • FireStore Ͱ΋ෳࡶͳΫΤϦ͸·͔͚ͩͳ͍

ΫΤϦ͕ऑ͍ͱʁ • ΫϥΠΞϯταΠυδϣΠϯ͕ඞཁ • ඇಉظ͕ॏͳͬͯͭΒ͍ • όάͷԹচ • ηϧͷߴ͞ܭࢉͱ͔͏·͍͔͘ͳ͍ https://qiita.com/miuP/items/ce3a3888d5411d2f8e70

Solution • Realm • ֎෦ݕࡧΤϯδϯΛ࢖͏

Algolia Search • શจݕࡧΤϯδϯ • ೔ຊޠରԠ • FireStore ͷશจݕࡧͷͱ͜ΖͰνϣϩͬͱ৮ ΕΒΕ͍ͯΔ
 https://firebase.google.com/docs/firestore/solutions/search


࿈ܞ • ॻ͖ࠐΈݖݶͷ API Key ΛΫϥΠΞϯτͰ࣋ ͯͳ͍ • όοΫΤϯυΞϓϦέʔγϣϯ͕લఏ

Archtecture #BDLFOE
 "QQMJDBUJPO 'JSFCBTF &YUFSOBM4FSWJDF .PCJMF"QQ : Read : Write

Firebase ͚ͩͰͳΜͱ͔͍ͨ͠

CloudFunctions • HTTP ΍ DB ΁ͷมߋΛϑοΫʹಈ࡞͢Δ Node.js ؀ڥ • ΋ͪΖΜ TypeScript Ͱ΋ॻ͚Δ • ֎෦ API Λୟ͚Δ • Push ௨஌ૹΕΔ

Architecture 'JSFCBTF
 
 
 &YUFSOBM
 4FSWJDF .PCJMF"QQ : Read : Write $' %#

Write 'JSFCBTF
 
 
 $' %# .PCJMF"QQ &YUFSOBM
 4FSWJDF callback Firebase Cloud Messaging
 Silent Push

Read 'JSFCBTF
 
 
 &YUFSOBM
 4FSWJDF .PCJMF"QQ %# Observe Realtime Value Get main Data

ίʔυྫ

Algent • [WIP] • Algolia ͷΫϥΠΞϯτͷ wrapper • Decodable ͳܕΛ Response Ͱࢦఆ • ˑˑˑˑˑ

Write functions.database.ref(‘path/to/user/{userID}').onCreate(async event => { let userID = event.params!.userID let firUser = await admin.database() .ref(`path/to/user/${userID}`) .once(‘value').then(snap => snap.val()) let userIndex = algolia.initIndex('user') let user = new User(userID, firUser) return userIndex.addObject(user) // send FCM for callback }) ref: https://qiita.com/star__hoshi/items/6ee9d1413a34ca5849eb

Request struct AlgoliaFeedRequest: AlgoliaRequestProtocol { typealias HitType = Algolia.Feed var indexName: String { return "feed" } var query: AlgentQuery { let query = AlgentQuery() return query } }

Read // search from algolia using Algent // Result, Error> Algent.shared.search(request: AlgoliaFeedRequest()) Firebase.Post.databaseRef .child(feed.objectID) .child(“likes/count") .observe(.value) { [weak self] snapshot in if snapshot.exists() { self?.likeCountString.value = "\(snapshot.value as? Int)" } else { self?.likeCountString.value = "0" } }

Sample • SNS ͬΆ͍΍ͭ • Feed ͱ User ͸ Algolia ͔Βݕࡧ • ͍͍Ͷʂ΍౤ߘ਺ͳͲͷมಈ͢Δ஋ͷΈΛ RealtimeDB͔ΒObserve • Silent Push ͔Βߋ৽͸ະ࣮૷

σϞ
 https://github.com/miuP/AlgoliaFirebaseSample

·ͱΊ • Truly Serverless • Firebase ͰͰ͖ͳ͍͜ͱ͸ແཧͤͣผͷࡦΛ ࿅Δ • ֎෦αʔϏεͱͷ࿈ܞ΋໰୊ͳ͍ ϞόΠϧΤϯδχΞ͚ͩͰαʔϏε࡞Δͧʙʂ

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