class Note < ActiveRecord::Base
include GeoRecord
- has_many :comments, :class_name => "NoteComment",
- :foreign_key => :note_id,
- :order => :created_at,
- :conditions => { :visible => true }
+ has_many :comments, -> { where(:visible => true).order(:created_at) }, :class_name => "NoteComment", :foreign_key => :note_id
+
+ validates :id, :uniqueness => true, :presence => { :on => :update },
+ :numericality => { :on => :update, :integer_only => true }
+ validates :latitude, :longitude, :numericality => { :only_integer => true }
+ validates :closed_at, :presence => true, :if => proc { :status == "closed" }
+ validates :status, :inclusion => %w(open closed hidden)
- validates_presence_of :id, :on => :update
- validates_uniqueness_of :id
- validates_numericality_of :latitude, :only_integer => true
- validates_numericality_of :longitude, :only_integer => true
- validates_presence_of :closed_at if :status == "closed"
- validates_inclusion_of :status, :in => ["open", "closed", "hidden"]
validate :validate_position
+ scope :visible, -> { where("status != 'hidden'") }
+ scope :invisible, -> { where("status = 'hidden'") }
+
+ after_initialize :set_defaults
+
# Sanity check the latitude and longitude and add an error if it's broken
def validate_position
- errors.add_to_base("Note is not in the world") unless in_world?
- end
-
- # Fill in default values for new notes
- def after_initialize
- self.status = "open" unless self.attribute_present?(:status)
+ errors.add(:base, "Note is not in the world") unless in_world?
end
# Close a note
def close
self.status = "closed"
self.closed_at = Time.now.getutc
- self.save
+ save
end
- # Return a flattened version of the comments for a note
- def flatten_comment(separator_char, upto_timestamp = :nil)
- resp = ""
- comment_no = 1
- self.comments.each do |comment|
- next if upto_timestamp != :nil and comment.created_at > upto_timestamp
- resp += (comment_no == 1 ? "" : separator_char)
- resp += comment.body if comment.body
- resp += " [ "
- resp += comment.author_name if comment.author_name
- resp += " " + comment.created_at.to_s + " ]"
- comment_no += 1
- end
-
- return resp
+ # Reopen a note
+ def reopen
+ self.status = "open"
+ self.closed_at = nil
+ save
end
# Check if a note is visible
def visible?
- return status != "hidden"
+ status != "hidden"
+ end
+
+ # Check if a note is closed
+ def closed?
+ !closed_at.nil?
end
# Return the author object, derived from the first comment
def author
- self.comments.first.author
+ comments.first.author
end
# Return the author IP address, derived from the first comment
def author_ip
- self.comments.first.author_ip
+ comments.first.author_ip
end
- # Return the author id, derived from the first comment
- def author_id
- self.comments.first.author_id
- end
+ private
- # Return the author name, derived from the first comment
- def author_name
- self.comments.first.author_name
- end
-
- # Custom JSON output routine for notes
- def to_json(options = {})
- super options.reverse_merge(
- :methods => [ :lat, :lon ],
- :only => [ :id, :status, :created_at ],
- :include => {
- :comments => {
- :only => [ :event, :author_name, :created_at, :body ]
- }
- }
- )
+ # Fill in default values for new notes
+ def set_defaults
+ self.status = "open" unless self.attribute_present?(:status)
end
end