Method stopFollowing

modules/follow/follow.go:148–174

Remove a single follower from whoever they are following (if any)

(followSource followId)

// Remove a single follower from whoever they are following (if any)
func (f *FollowModule) stopFollowing(followSource followId) followId {

	wasFollowing := followId{}

	if followTarget, ok := f.followers[followSource]; ok {
		delete(f.followers, followSource)

		wasFollowing = followTarget

		for idx, fId := range f.followed[followTarget] {
			if fId == followSource {
				f.followed[followTarget] = append(f.followed[followTarget][0:idx], f.followed[followTarget][idx+1:]...)

				if len(f.followed[followTarget]) == 0 {
					delete(f.followed, followTarget)
				}

				break
			}
		}
	}

	// If there was a limit, delete it.
	delete(f.followLimits, followSource)

	return wasFollowing
}

// Remove all followers from a target
func (f *FollowModule) loseFollowers(followTarget followId) []followId {