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124 lines
2.9 KiB
Ruby
124 lines
2.9 KiB
Ruby
# == Schema Information
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#
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# Table name: topics
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#
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# id :integer not null, primary key
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# title :string(255)
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# user_id :integer
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# forum_id :integer
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# created_at :datetime
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# updated_at :datetime
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# state :integer default(0), not null
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#
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class Topic < ActiveRecord::Base
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POSTS_PAGE = 30
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STATE_NORMAL = 0
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STATE_STICKY = 1
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LATEST_PER_PAGE = 5
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RULES = 12
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include Extra
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attr_protected :id, :updated_at, :created_at
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attr_accessor :first_post
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belongs_to :user
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belongs_to :forum
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has_one :lock, :as => :lockable
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has_one :latest, :class_name => "Post", :order => "id DESC"
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has_many :posts, :order => "id ASC", :dependent => :destroy
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has_many :view_counts, :as => :viewable, :dependent => :destroy
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scope :basic, :include => [:latest, { forum: :forumer }, :user]
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scope :ordered, :order => "state DESC, posts.id DESC"
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validates_presence_of :user_id, :forum_id
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validates_length_of :title, :in => 1..50
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validates_length_of :first_post, :in => 1..10000, :on => :create
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after_create :make_post
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acts_as_readable
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def self.recent_topics
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find_by_sql %q{
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SELECT DISTINCT topics.*
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FROM (SELECT id, topic_id
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FROM posts
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ORDER BY id DESC
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LIMIT 20) AS T
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INNER JOIN topics
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ON T.topic_id = topics.id
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INNER JOIN forums
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ON forums.id = topics.forum_id
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LEFT OUTER JOIN forumers
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ON forumers.forum_id = forums.id
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WHERE forumers.id IS NULL
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LIMIT 5
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}
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end
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def to_s
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title
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end
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def record_view_count(ip_address, logged_in = false)
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self.view_counts.create(:viewable => self, :ip_address => ip_address, :logged_in => logged_in)
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self
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end
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def view_count
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view_counts.length
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end
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def cache_key(key)
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"/topics/#{id}/#{key}"
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end
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def cached_view_count
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Rails.cache.fetch(cache_key('view_count'), expires_in: 1.hours) do
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self.view_count
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end
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end
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def cached_posts_count
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Rails.cache.fetch(cache_key('posts'), expires_in: 10.minutes) do
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posts.count - 1
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end
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end
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def make_post
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c = posts.build
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c.text = first_post
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c.user = user
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c.save!
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end
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def can_show? cuser
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forum.can_show? cuser
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end
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def can_create? cuser
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return false unless cuser
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errors.add :bans, I18n.t(:bans_mute) if cuser.banned?(Ban::TYPE_MUTE) and forum != Forum::BANS
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errors.add :bans, I18n.t(:registered_for_week) unless cuser.verified?
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(Forum.available_to(cuser, Forumer::ACCESS_TOPIC).of_forum(forum).first and errors.size == 0)
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end
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def can_update? cuser
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cuser and cuser.admin?
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end
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def can_destroy? cuser
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cuser and cuser.admin?
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end
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def last_page
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[((posts.count - 1) / POSTS_PAGE) + 1, 1].max
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end
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def states
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{STATE_NORMAL => "Normal", STATE_STICKY => "Sticky"}
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end
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end
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