Class: Survey

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

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ Survey

Instance methods



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# File 'app/models/survey.rb', line 26

def initialize(*args)
  super(*args)
  default_args
end

Class Method Details

.to_normalized_string(value) ⇒ Object

Class methods



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# File 'app/models/survey.rb', line 20

def self.to_normalized_string(value)
  # replace non-alphanumeric with "-". remove repeat "-"s. don't start or end with "-"
  value.to_s.downcase.gsub(/[^a-z0-9]/,"-").gsub(/-+/,"-").gsub(/-$|^-/,"")
end

Instance Method Details

#access_code=(value) ⇒ Object

Survey access_code not guaranteed to be unique

As there is no model validation or unique index in the database, there is no guarantee that your survey access_code will be unique. It is just a normalized version of your survey title.

Running …

rake surveyor FILE=surveys/kitchen_sink_survey.rb APPEND=true rake surveyor FILE=surveys/kitchen_sink_survey.rb APPEND=true script/console Survey.all.collect(&:access_code)

should show this to be true.

This will show both surveys as able to be taken, but will only allow the first one when the attempt is made as the survey is found by

@survey = Survey.find_by_access_code(params)

In addition, adding a unique index to the db and model will make a mess when running

rake surveyor FILE=surveys/kitchen_sink_survey.rb APPEND=true rake surveyor FILE=surveys/kitchen_sink_survey.rb APPEND=true

as the access_code is not unique and the survey fixtures are loaded last, leaving the associations with an invalid survey_id.

To avoid this, the survey fixture should probably be attempted first.

Update…

Adding something like …

def access_code=(value) counter = 2 original_value = value while( ( survey = Survey.find_by_access_code(value) ) && ( self.id != survey.id ) ) value = [original_value,“_”,counter].join counter += 1 end super end

… to Survey seems to provide a “fix” for this “problem”, although I don’t know how kosher it is.

It works in my test environment, but does not actually work in the “rake surveyor” task as the survey is built from a different Survey model completely and then loaded into the database and not created though the application.

My final “fix” was to add

require ‘lib/surveyor/survey_extensions’

to my Rakefile and create the file

> cat lib/surveyor/survey_extensions.rb if surveyor_gem = Gem.searcher.find(‘surveyor’) require surveyor_gem.full_gem_path + ‘/script/surveyor/parser’ require surveyor_gem.full_gem_path + ‘/script/surveyor/survey’ end

module SurveyParser module SurveyExtensions def self.included(base) base.class_eval do def initialize_with_unique_access_code(obj, args, opts) initialize_without_unique_access_code(obj, args, opts) counter = 2 ac = self.access_code original_ac = self.access_code while( survey = ::Survey.find_by_access_code(ac) ) ac = [original_ac,“_”,counter].join counter += 1 end self.access_code = ac end alias_method_chain :initialize, :unique_access_code end end end end SurveyParser::Survey.send(:include, SurveyParser::SurveyExtensions)

It is not as clean as I would’ve liked, but works. Override the setting of the access_code to ensure its uniqueness

While uniqueness was added after 0.10.0, this method was not deemed important or likely to be needed enough. It is true that this really isn’t NEEDed.



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# File 'app/models/survey.rb', line 161

def access_code=(value)
  counter = 2
  original_value = value
  while( ( survey = Survey.find_by_access_code(value) ) && 
    ( self.id != survey.id ) )
    value = [original_value,"_",counter].join
    counter += 1
  end
  super    #(value)
end

#activate! ⇒ Object 



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# File 'app/models/survey.rb', line 46

def activate!
  self.active_at = DateTime.now
end

#active? ⇒ Boolean 



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# File 'app/models/survey.rb', line 40

def active?
  self.active_as_of?(DateTime.now)
end

#active_as_of?(datetime) ⇒ Boolean 



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# File 'app/models/survey.rb', line 43

def active_as_of?(datetime)
  (self.active_at.nil? or self.active_at < datetime) and (self.inactive_at.nil? or self.inactive_at > datetime)
end

#active_at=(datetime) ⇒ Object 



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# File 'app/models/survey.rb', line 52

def active_at=(datetime)
  self.inactive_at = nil if !datetime.nil? and !self.inactive_at.nil? and self.inactive_at < datetime
  super(datetime)
end

#deactivate! ⇒ Object 



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# File 'app/models/survey.rb', line 49

def deactivate!
  self.inactive_at = DateTime.now
end

#default_args ⇒ Object 



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# File 'app/models/survey.rb', line 31

def default_args
  self.inactive_at ||= DateTime.now
end

#inactive_at=(datetime) ⇒ Object 



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# File 'app/models/survey.rb', line 56

def inactive_at=(datetime)
  self.active_at = nil if !datetime.nil? and !self.active_at.nil? and self.active_at > datetime
  super(datetime)
end

#title=(value) ⇒ Object 



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# File 'app/models/survey.rb', line 35

def title=(value)
  self.access_code = Survey.to_normalized_string(value)
  super
end