Learn to create valid calendar events, that a user can download as an .ics file and add to his calendar!

Resources:

• text version of this video: https://blog.corsego.com/icalendar-ruby
• source code: https://github.com/corsego/101-icalendar/commit/9ff3a2aa99d32ab5a51e9b6ed158553f37b49dde
• gem icalendar: https://github.com/icalendar/icalendar
• icalendar documentation: https://www.rfc-editor.org/rfc/rfc5545

0:00 ics format
2:05 Boilerplate app
2:40 gem icalendar
5:50 download ics file
8:24 add location field
10:05 remove duplicates in calendar (uid, sequence)
12:07 include urls
13:55 change ics filename
15:16 summary
15:35 refactoring
19:10 final demo