Introduction to ActiveResource

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1. https://github.com/keshavbiswa https://twitter.com/keshavbiswa21 Designing Web services using ActiveResource Keshav Biswa Senior Software Engineer at Saeloun
2. https://github.com/keshavbiswa https://twitter.com/keshavbiswa21 I’m a Senior Software Engineer at Saeloun. • Working with Ruby since 2018 • Have worked with multiple frameworks and languages • Open source Enthusiast About Me
3. https://github.com/keshavbiswa https://twitter.com/keshavbiswa21 ActiveResource: Connect Business Objects and REST Web Services
4. https://github.com/keshavbiswa https://twitter.com/keshavbiswa21 • Wrapper to your external API services • Provides ORMs functionalities • Easy to configure • Provides Authentication Support ActiveResource https://www.youtube.com/watch?v=hdHjjBS4cs8
5. https://github.com/keshavbiswa https://twitter.com/keshavbiswa21 Why ActiveResource?
6. https://github.com/keshavbiswa https://twitter.com/keshavbiswa21 • Custom JSON responses • No Validations • Same logic everywhere • Custom HTTP clients • No Structure The Issue
7. https://github.com/keshavbiswa https://twitter.com/keshavbiswa21 The Issue
8. https://github.com/keshavbiswa https://twitter.com/keshavbiswa21 Solution: Virtual Model? • ActiveModel • Validations • Provide attributes • Provides Structure
9. https://github.com/keshavbiswa https://twitter.com/keshavbiswa21 HTTP Client and Virtual Model
10. https://github.com/keshavbiswa https://twitter.com/keshavbiswa21 Final Solution: ActiveResource
11. https://github.com/keshavbiswa https://twitter.com/keshavbiswa21 Configurable
12. https://github.com/keshavbiswa https://twitter.com/keshavbiswa21 Associations:
13. https://github.com/keshavbiswa https://twitter.com/keshavbiswa21 • Parses the code with the grammar • Creates an AST • Evaluates AST • Adds to the context • Returns the context Validations
14. https://github.com/keshavbiswa https://twitter.com/keshavbiswa21 Validations
15. https://github.com/keshavbiswa https://twitter.com/keshavbiswa21 For external HTTP REST services
16. https://github.com/keshavbiswa https://twitter.com/keshavbiswa21 For external HTTP REST services
17. https://github.com/keshavbiswa https://twitter.com/keshavbiswa21 Treetop
18. https://github.com/keshavbiswa https://twitter.com/keshavbiswa21 Other Features • Instrumentation and Logging • Callbacks • Custom Collection Parsing • HTTPMock (ActiveResource::HTTPMock)
19. https://github.com/keshavbiswa https://twitter.com/keshavbiswa21 RESOURCES To understand more about parsers, compilers, ASTs: • https://github.com/rails/activeresource • https://github.com/keshavbiswa/active-resource-github-dashboard (Github Dashboard) • https://github.com/keshavbiswa/activeresource-blog-api (Blog API) • https://github.com/keshavbiswa/active-resource-blog-client
20. https://github.com/keshavbiswa https://twitter.com/keshavbiswa21 Any questions? THANKS!