Class: Commontator::Thread

Inherits:
ActiveRecord::Base
  • Object
show all
Defined in:
app/models/commontator/thread.rb

Instance Method Summary collapse

Instance Method Details

#can_be_edited_by?(user) ⇒ Boolean

Thread moderator capabilities

Returns:

  • (Boolean) 


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# File 'app/models/commontator/thread.rb', line 146

def can_be_edited_by?(user)
  !commontable.nil? && !user.nil? && user.is_commontator &&\
  config.thread_moderator_proc.call(self, user)
end

#can_be_read_by?(user) ⇒ Boolean

Reader capabilities (user can be nil or false)

Returns:

  • (Boolean) 


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# File 'app/models/commontator/thread.rb', line 139

def can_be_read_by?(user)
  return true if can_be_edited_by?(user)
  !commontable.nil? &&\
  config.thread_read_proc.call(self, user)
end

#can_subscribe?(user) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/commontator/thread.rb', line 151

def can_subscribe?(user)
  thread_sub = config.thread_subscription.to_sym
  !is_closed? && !user.nil? && user.is_commontator &&\
  (thread_sub == :m || thread_sub == :b) &&\
  can_be_read_by?(user)
end

#clear ⇒ Object

Creates a new empty thread and assigns it to the commontable The old thread is kept in the database for archival purposes



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# File 'app/models/commontator/thread.rb', line 118

def clear
  return if commontable.blank? || !is_closed?
  new_thread = Thread.new
  new_thread.commontable = commontable

  with_lock do
    self.commontable = nil
    save!
    new_thread.save!
    subscriptions.each do |s|
      s.thread = new_thread
      s.save!
    end
  end
end

#close(user = nil) ⇒ Object 



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# File 'app/models/commontator/thread.rb', line 74

def close(user = nil)
  return false if is_closed?
  self.closed_at = Time.now
  self.closer = user
  save
end

#config ⇒ Object 



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# File 'app/models/commontator/thread.rb', line 14

def config
  @config ||= commontable.try(:commontable_config) || Commontator
end

#filtered_comments ⇒ Object 



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# File 'app/models/commontator/thread.rb', line 28

def filtered_comments
  cf = config.comment_filter
  return comments if cf.nil?
  comments.where(cf)
end

#is_closed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/commontator/thread.rb', line 70

def is_closed?
  !closed_at.blank?
end

#is_filtered? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/commontator/thread.rb', line 24

def is_filtered?
  will_paginate? || config.comment_filter
end

#mark_as_read_for(subscriber) ⇒ Object 



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# File 'app/models/commontator/thread.rb', line 110

def mark_as_read_for(subscriber)
  subscription = subscription_for(subscriber)
  return false unless subscription
  subscription.touch
end

#new_comment_page(per_page = config.comments_per_page) ⇒ Object 



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# File 'app/models/commontator/thread.rb', line 50

def new_comment_page(per_page = config.comments_per_page)
  return 1 if per_page.nil? || per_page.to_i <= 0
  comment_index = \
    case config.comment_order.to_sym
    when :l
      1 # First comment
    when :ve
      comment_arel = Comment.arel_table
      # Last comment with rating = 0
      filtered_comments.where((comment_arel[:cached_votes_up] - comment_arel[:cached_votes_down]).gteq 0).count
    when :vl
      comment_arel = Comment.arel_table
      # First comment with rating = 0
      filtered_comments.where((comment_arel[:cached_votes_up] - comment_arel[:cached_votes_down]).gt 0).count + 1
    else
      filtered_comments.count # Last comment
    end
  (comment_index.to_f/per_page.to_i).ceil
end

#ordered_comments(unfiltered = false) ⇒ Object 



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# File 'app/models/commontator/thread.rb', line 34

def ordered_comments(unfiltered = false)
  vc = unfiltered ? comments : filtered_comments
  case config.comment_order.to_sym
  when :l then vc.order('id DESC')
  when :ve then vc.order('cached_votes_down - cached_votes_up')
  when :vl then vc.order('cached_votes_down - cached_votes_up', 'id DESC')
  else vc
  end
end

#paginated_comments(page = 1, per_page = config.comments_per_page) ⇒ Object 



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# File 'app/models/commontator/thread.rb', line 44

def paginated_comments(page = 1, per_page = config.comments_per_page)
  oc = ordered_comments
  return oc unless will_paginate?
  oc.paginate(:page => page, :per_page => per_page)
end

#reopen ⇒ Object 



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# File 'app/models/commontator/thread.rb', line 81

def reopen
  return false unless is_closed? && !commontable.nil?
  self.closed_at = nil
  save
end

#subscribe(subscriber) ⇒ Object 



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# File 'app/models/commontator/thread.rb', line 96

def subscribe(subscriber)
  return false unless subscriber.is_commontator && !subscription_for(subscriber)
  subscription = Subscription.new
  subscription.subscriber = subscriber
  subscription.thread = self
  subscription.save
end

#subscribers ⇒ Object 



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# File 'app/models/commontator/thread.rb', line 87

def subscribers
  subscriptions.collect{|s| s.subscriber}
end

#subscription_for(subscriber) ⇒ Object 



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# File 'app/models/commontator/thread.rb', line 91

def subscription_for(subscriber)
  return nil if !subscriber || !subscriber.is_commontator
  subscriber.subscriptions.where(:thread_id => self.id).first
end

#unsubscribe(subscriber) ⇒ Object 



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# File 'app/models/commontator/thread.rb', line 104

def unsubscribe(subscriber)
  subscription = subscription_for(subscriber)
  return false unless subscription
  subscription.destroy
end

#will_paginate? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/commontator/thread.rb', line 18

def will_paginate?
  return false if config.comments_per_page.nil? || !comments.respond_to?(:paginate)
  require 'commontator/link_renderer'
  true
end