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Versions: 15
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class Topic < ActiveRecord::Base
has_attached_file :image, :styles=>{:thumb=>"100x100>"}
belongs_to :topic_category
has_many :topic_threads, :order=>"last_post_at desc", :dependent=>:destroy
has_many :visible_topic_threads, :conditions=>"is_visible=1", :order=>"last_post_at desc", :class_name=>"TopicThread", :foreign_key=>:topic_id
before_create :update_url
validates :name, :presence=>true, :length=>{:minimum=>1, :maximum=>200}
validates :topic_category_id, :presence=>true
has_one :last_thread, :class_name=>"TopicThread", :order=>"topic_threads.id desc", :conditions=>"is_visible=1"
belongs_to :last_post, :class_name=>"TopicPost", :include=>:created_by_user
# validates_associated :topic_category_id
validate :unique_name_within_category
def recent_threads(user, count)
read_level = user ? user.forum_level : 0
self.topic_threads.limit(count).order("topic_threads.id desc").where("topic_threads.is_visible = 1").includes(:topic).where("topics.read_access_level <= #{read_level}")
end
def self.visibility(value)
case value
when 0 then "everyone"
when 1 then "any registered user"
else "a user with a forum level of at least #{value}"
end
end
def read_visibility
Topic.visibility(self.read_access_level)
end
def write_visibility
Topic.visibility([self.topic_category.write_access_level, self.write_access_level].max)
end
def unique_name_within_category
cnt = Topic.sys(self.system_id).where(:topic_category_id=>self.topic_category_id).where(:name=>self.name).where(["id<>?", self.new_record? ? -1 : self.id]).count
if cnt > 0
errors.add(:name, "is not unique within this category")
end
end
def update_url
self.url = self.name.urlise
end
def link
"/forums/#{self.url}"
end
end
Version data entries
15 entries across 15 versions & 1 rubygems