BFFs For Swift Tim Condon @0xTim

BFFs For Swift @0xTim The Backend Problem General Purpose API Web Client

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BFFs For Swift @0xTim The Backend Problem iOS App Monolith

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BFFs For Swift @0xTim The Homescreen Problem Events Location Schedule Speakers

BFFs For Swift @0xTim The Homescreen Problem Events Location Schedule Speakers GET /api/events/coming-up { "page": { "totalPages": 11, "nextPage": "/api/events/coming-up?page=2&count=100" }, "events": [ { "id": "5212187e-e431-46eb-aebd-be0fccd9a2fb", "name": "dotSwift", "start": "2020-02-03T09:30:00+01:00", "end": "2020-02-03T18:30:00+01:00", "speakers": [ "e6adf697-4c6b-48e8-b5c0-27a0b305ce09", ... "fb9989a4-97b3-472e-93b5-efaf8d207dfe" ], "emcee": "9ef5e988-18cd-438b-a61b-7334986c67ec", "location": { "latitude": 48.878765, "longitude": 2.330944, "id": "a1a02cd0-2a94-425d-bd04-c2d054ce254a" } } ], ... }

BFFs For Swift @0xTim The Homescreen Problem Events Location Schedule Speakers GET /api/locations/a1a02cd0-2a94-425d-bd04-c2d054ce254a { "latitude": 48.878765, "longitude" 2.330944, "name": "Théâtre de Paris", "address": "15 Rue Blanche, 75009 Paris", "nearest-stations": [ { "line": "Green 12", "name": "Trinité" }, ... ] ... }

BFFs For Swift @0xTim The Homescreen Problem Events Location Schedule Speakers GET /api/events/5212187e-e431-46eb-aebd-be0fccd9a2fb/schedule { "talks": [ ... { "title": "BFFs For Swift", "speaker": "e6adf697-4c6b-48e8-b5c0-27a0b305ce09", "start-time": "2020-02-03T14:30:00+01:00", "end-time": "2020-02-03T14:50:00+01:00", "room": "f5536b5a-223b-4a1a-b050-836bd4e924fa" }, { "title": "Property Wrappers or How Swift decided to become Java", "speaker": "fb9989a4-97b3-472e-93b5-efaf8d207dfe", "start-time": "2020-02-03T15:30:00+01:00", "end-time": "2020-02-03T15:50:00+01:00", "room": "9a1a7f2d-230e-40e0-8757-dc80ec4aa25d" }, ... ], "breaks": { ... } }

BFFs For Swift @0xTim The Homescreen Problem Events Location Schedule Speakers GET /api/speakers/e6adf697-4c6b-48e8-b5c0-27a0b305ce09/ { "name": "Tim Condon", "profile-image": "https://s3-eu-central-1.amazonaws.com/ static-dotconferences-com/speakers_images/tim-condon.png", "talk": "c3d5735e-f8a3-4ca4-94c7-802c8f4306db", "bio": "Tim is the server-side Swift team lead at raywenderlich.com and has written the unofficial-official book on Vapor with the founders of the framework. He founded Broken Hands and delivers talks and workshops on Vapor and server-side Swift around the world. He also co-organises the ServerSide.swift conference.", "github": "0xTim", "twitter": "0xTim" }

BFFs For Swift @0xTim The Homescreen Problem Events Location Schedule Speakers GET /api/events/coming-up { "page": { "totalPages": 11, "nextPage": "/api/events/coming-up?page=2&count=10" }, "events": [ { "name": "dotSwift", "date": "2020-02-03T00:00:00+01:00", "location": { "name": "Théâtre de Paris", "address": "15 Rue Blanche, 75009 Paris", }, "onNow": { "title": "BFFs For Swift", "startTime": "2020-02-03T14:30:00+01:00", "endTime": "2020-02-03T14:50:00+01:00", "speakerName": "Tim Condon" } } ], ... }

BFFs For Swift @0xTim The Homescreen Problem Events Location Schedule Speakers

BFFs For Swift @0xTim The Homescreen Problem Events Location Schedule Speakers iOS Team API Team

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BFFs For Swift @0xTim The Homescreen Problem Events Location Schedule Speakers

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Backend For Frontend

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BFFs For Swift @0xTim BFF BFFs To The Rescue iOS App General Purpose API Weather API AWS Microservice Microservice

BFFs For Swift @0xTim BFFs To The Rescue BFF iOS App GET /api/events/coming-up { "page": { "totalPages": 11, "nextPage": "/api/events/coming-up?page=2&count=10" }, "events": [ { "name": "dotSwift", "date": "2020-02-03T00:00:00+01:00", "location": { "name": "Théâtre de Paris", "address": "15 Rue Blanche, 75009 Paris", }, "onNow": { "title": "BFFs For Swift", "startTime": "2020-02-03T14:30:00+01:00", "endTime": "2020-02-03T14:50:00+01:00", "speakerName": "Tim Condon" } } ], ... }

BFFs For Swift @0xTim BFF Ownership iOS App AWS API iOS BFF Microservice Microservice Microservice Android BFF Web BFF Android App Website Client

BFFs For Swift @0xTim BFF Ownership iOS App AWS API iOS BFF Microservice Microservice Microservice Android BFF Web BFF Android App Website Client API Team iOS Team Android Team Web Team

– Sam Newman, Thoughtworks “The BFF is tightly coupled to a specific user experience, and will typically be maintained by the same team as the user interface, thereby making it easier to define and adapt the API as the UI requires, while also simplifying process of lining up release of both the client and server components.”

BFFs For Swift @0xTim BFF Examples

BFFs in Swift

BFFs For Swift @0xTim Swift on the Server

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BFFs For Swift @0xTim Swift in BFFs

BFFs For Swift @0xTim Sharing Code

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BFFs For Swift @0xTim GET /api/events/coming-up { "page": { "totalPages": 11, "nextPage": "/api/events/coming-up?page=2&count=10" }, "events": [ { "name": "dotSwift", "date": "2020-02-03T00:00:00+01:00", "location": { "name": "Théâtre de Paris", "address": "15 Rue Blanche, 75009 Paris", }, "on-now": { “title": "BFFs For Swift", "startTime": "2020-02-03T14:30:00+01:00", "endTime": "2020-02-03T14:50:00+01:00", "speakerName": "Tim Condon" } } ], ... } struct ComingUpResponse: Codable { let page: PaginationInformation let events: [ComingUpEvent] } struct PaginationInformation: Codable { let totalPages: Int let nextPage: URL } Sharing Code

BFFs For Swift @0xTim Sharing Code GET /api/events/coming-up { "page": { "totalPages": 11, "nextPage": "/api/events/coming-up?page=2&count=10" }, "events": [ { "name": "dotSwift", "date": "2020-02-03T00:00:00+01:00", "location": { "name": "Théâtre de Paris", "address": "15 Rue Blanche, 75009 Paris", }, "on-now": { “title": "BFFs For Swift", "startTime": "2020-02-03T14:30:00+01:00", "endTime": "2020-02-03T14:50:00+01:00", "speakerName": "Tim Condon" } } ], ... } struct ComingUpEvent: Codable { let name: String let date: Date let location: ComingUpLocation let onNowInfo: ComingUpOnNowInfo } struct ComingUpLocation: Codable { let name: String let address: String } struct ComingUpOnNowInfo: Codable { let title: String let startTime: Date let endTime: Date let speakerName: String }

BFFs For Swift

Thank you! @0xTim