Allow plugins to be able to add relationship types
This is somewhat related to #7849 but (I think) involves significantly less work.
Firstly - can we make the TYPES constant a class variable (eg.
@types)?@types) be removed? (If necessary it could always be lazily frozen at some time later after the plugins have had a chance to add a relation...)
Secondly - can the ".freeze" on the object inside the TYPES constant (now a class variable called
Unless I'm mistaken this should be all that would be required to give redmine plugins the authority to add/remove relationship types.
- Eg, a plugin would be able to do something like this
IssueRelation.class_eval("@@types[:supercedes] = 'Adding a relation'")