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Contents
# used by +:followers overwritten in type/set.rb and type/cardtype.rb
def followed?
followed_by? Auth.current_id
end
# for sets and cardtypes it doesn't check whether the users is following the
# card itself instead it checks whether he is following the complete set
def followed_by? user_id
follow_rule_applies?(user_id) || left&.followed_by_as_field?(self, user_id)
end
def followed_by_as_field? field, user_id
followed_field?(field) && followed_by?(user_id)
end
# returns true if according to the follow_field_rule followers of self also
# follow changes of field_card
def followed_field? field_card
return unless (follow_field_rule = rule_card(:follow_fields))
follow_field_rule.item_names(context: self).find do |item|
case item.to_name.key
when field_card.key then true
when :nests.cardname.key then nested_card?(field_card)
end
end
end
def nested_card? card
nestee_ids.include? card.id
end
## the following methods all handle _explicit_ (direct) follow rules (not fields)
def follow_rule_applies? follower_id
!follow_rule_option(follower_id).nil?
end
def follow_rule_option follower_id
all_follow_rule_options(follower_id).find do |option|
follow_rule_option_applies? follower_id, option
end
end
def all_follow_rule_options follower_id
follow_rule = preference :follow, follower_id
return [] unless follow_rule.present?
follow_rule.split("\n")
end
def follow_rule_option_applies? follower_id, option
option_code = option.to_name.code
candidate_ids = follower_candidate_ids_for_option option_code
follow_rule_option_applies_to_candidates? follower_id, option_code, candidate_ids
end
def follow_rule_option_applies_to_candidates? follower_id, option_code, candidate_ids
if (test = FollowOption.test[option_code])
test.call follower_id, candidate_ids
else
candidate_ids.include? follower_id
end
end
def follower_candidate_ids_for_option option_code
return [] unless (block = FollowOption.follower_candidate_ids[option_code])
block.call self
end
Version data entries
17 entries across 17 versions & 1 rubygems