31 - Create Controller class

Context

We need a class for filtering and sorting of events. Events will be stored in a vector so that is the object we will be operating on. We want two methods: one to sort the events by date/popularity and one to filter events by tags (given as a vector of strings).

TODO

• Create EventController class.
• Create method for sorting by date or popularity.
• Create method for filtering by tags.
• Create tests for associated methods.
• Peer review and merge.