feat: [WIP] 🍰 Implement JoinGroup, GroupMember, SwitchGroupMemberRole Resolvers

[Tirokk]

🍰 Pullrequest

Implement JoinGroup, GroupMember, and SwitchGroupMemberRole resolvers.

Issues

• fixes 🚀 [Feature] Query Members Of A Group #5188
• fixes 🚀 [Feature] Change Role Of A Group Member #5189

Todo

• rename EnterGroup to JoinGroup
• change name SwitchGroupMemberRole to ChangeGroupMemberRole
• implement ChangeGroupMemberRole
  • add functionallity to join group with ChangeGroupMemberRole
    • test this
• test ChangeGroupMemberRole
  • general tests
  • check for has "updatedAt" newer as "createdAt"?
    • the GQL mutation would need this fields in the result for testing
    • !!! we decided to do it not yet
  • shall a switch to a role which the a member already has through a permission error?
    • !!! we decided to through no error
  • can an owner be degraded?
    • shall an owner can switch the role of another owner to a lower role yet?
    • or shall only an owner who gave the second owner the owner role downgrade themself?
    • !!! we decided an owner can not be degraded yet
• switch some group members role in seeding
• who can make a user joining a group
  • the user themselfs in case of groups of type public and closed
  • the admin/owner with an invite code in case of groups of type hidden
    • we decided that a hidden group can not be joined
      • !!! we decide a hidden group can only be joined by ChangeGroupMemberRole by an owner (no admin)
• cleanup: search Wolle

[Mogge]

Very good unit tests! Very detailed and good to read. I prefer to see the expected after the API call. I read the API call and the see the expected result. Now I see the expected result, then I see the API call and I have to scroll up again to see the expected.
We should discuss some details

[Tirokk]

Sorry @Mogge !
I renamed the branch and this PR automatically got closed.

I opened an other PR #5199 …