discourse/lib/post_action_destroyer.rb

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require_dependency 'post_action_result'
class PostActionDestroyer
class DestroyResult < PostActionResult
attr_accessor :post
end
def initialize(destroyed_by, post, post_action_type_id)
@destroyed_by, @post, @post_action_type_id = destroyed_by, post, post_action_type_id
end
def self.destroy(destroyed_by, post, action_key)
new(destroyed_by, post, PostActionType.types[action_key]).perform
end
def perform
result = DestroyResult.new
if @post.blank?
result.not_found = true
return result
end
finder = PostAction.where(
user: @destroyed_by,
post: @post,
post_action_type_id: @post_action_type_id
)
finder = finder.with_deleted if @destroyed_by.staff?
post_action = finder.first
if post_action.blank?
result.not_found = true
return result
end
unless guardian.can_delete?(post_action)
result.forbidden = true
result.add_error(I18n.t("invalid_access"))
return result
end
RateLimiter.new(@destroyed_by, "post_action-#{@post.id}_#{@post_action_type_id}", 4, 1.minute).performed!
post_action.remove_act!(@destroyed_by)
post_action.post.unhide! if post_action.staff_took_action
GivenDailyLike.decrement_for(@destroyed_by.id) if @post_action_type_id == PostActionType.types[:like]
UserActionManager.post_action_destroyed(post_action)
PostActionNotifier.post_action_deleted(post_action)
result.success = true
result.post = @post.reload
result
end
protected
def guardian
@guardian ||= Guardian.new(@destroyed_by)
end
end