ScalaDays 2015: Building your first REST API in less than 30 minutes
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Play is fundamentally a framework for writing REST APIs. Therefore writing such a REST API, is very easy using Play. With the use of ScalikeJDBC, a tidy SQL-based DB access library, and the reverse engineering tool that comes with it, most of the work gets done for you. After this talk you’ll be able to build your first REST API in under 30 minutes, with model classes that are fully tested as well!
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ScalaDays 2015: Building your first REST API in less than 30 minutes
- 1. Building your first REST API in less than 30 minutes Thomas Meijers - @ItsMeijers
- 2. About me Lunatech Student Geek Scala Days Amsterdam @ItsMeijers
- 3. What are we building? Simple REST API for managing work hours Consists of 3 models (CRUD) Employee (id, first_name, prefix (opt), last_name, job_title, birthdate) Project (id, project_name, project_description) TimeEntry (id, start_time, end_time, employee_id, project_id, comment(opt)) Scala Days Amsterdam @ItsMeijers
- 4. What was REST again? Representational State Transfer Roy Fielding Architectural Styles and the Design of Network- based Software Architectures 6 Fielding Constraints Scala Days Amsterdam @ItsMeijers
- 5. Fielding Constraints 0. Client Server 1. Statelessness 2. Cacheable 3. Layered system 4. Uniform interface 5. Code on demand (optional) Scala Days Amsterdam @ItsMeijers
- 6. But we need a database? Relational Databases Slick Anorm ScalikeJDBC Scala Days Amsterdam @ItsMeijers
- 7. ScalikeJDBC Tidy SQL-based DB access library for Scala Wrapper around JDBC APIs Great docs and active development Play Framework support! Scala Days Amsterdam @ItsMeijers
- 8. ScalikeJDBC QueryDSL Scala Days Amsterdam @ItsMeijers
- 9. ScalikeJDBC QueryDSL Scala Days Amsterdam @ItsMeijers
- 10. ScalikeJDBC QueryDSL Scala Days Amsterdam @ItsMeijers
- 11. ScalikeJDBC QueryDSL Scala Days Amsterdam @ItsMeijers
- 12. Create mappings? Auto generate! sbt “scalikejdbcGen example_table Example” Reverse Engineering Scala Days Amsterdam @ItsMeijers
- 13. Talk is cheap show the code! Scala Days Amsterdam @ItsMeijers
- 14. Fielding Constraints 0. Client Server 1. Statelessness 2. Cacheable 3. Layered system 4. Uniform interface 5. Code on demand (optional) Scala Days Amsterdam @ItsMeijers
- 15. Github ThomasMeijers github.com/ThomasMeijers/ScalaDays-2015- Example-REST-API Finished Project Scala Days Amsterdam @ItsMeijers
- 16. Asynchronous database queries ScalikeJDBC-Async James Ward - Reactive Postgres with Play Framework & ScalikeJDBC NoSQL Use a hypermedia format HAL - github.com/restfulscala/HALselhof Siren - github.com/yetu/siren-scala Documentation Swagger.io Recommendations Scala Days Amsterdam @ItsMeijers
- 17. Thomas Meijers - @ItsMeijers Thank you Questions? Lunatech is hiring! val yourName = Future[Option[AwesomeJob]] = ???