Class: C2::Reporter::Bucket

Inherits:
Object
  • Object
show all
Defined in:
app/models/c2/reporter/bucket.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(klass_name, scope_name, *series) ⇒ Bucket

Returns a new instance of Bucket.



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# File 'app/models/c2/reporter/bucket.rb', line 7

def initialize(klass_name, scope_name, *series)
  @klass_name = klass_name
  @scope_name = scope_name

  series = [:count] if series.empty?
  @series = series.inject({}) do |m,v|
    name, *mutators = *[*v]
    m[name.to_sym] = {
      :id => name.to_sym,
      :name => name.to_s.titleize,
      :mutators => mutators,
      :data => []
    }
    m
  end
end

Instance Attribute Details

#refreshed_at ⇒ Object

Returns the value of attribute refreshed_at.



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# File 'app/models/c2/reporter/bucket.rb', line 2

def refreshed_at
  @refreshed_at
end

#series ⇒ Object

Returns the value of attribute series.



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# File 'app/models/c2/reporter/bucket.rb', line 4

def series
  @series
end

#series_cache ⇒ Object

Returns the value of attribute series_cache.



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# File 'app/models/c2/reporter/bucket.rb', line 5

def series_cache
  @series_cache
end

Instance Method Details

#as_json(options = {}) ⇒ Object 



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# File 'app/models/c2/reporter/bucket.rb', line 63

def as_json(options={})
  {
    :id => self.id,
    :label => self.label,
    :count => self.count,
    :series => self.series.map {|k,v| v }
  }
end

#count ⇒ Object 



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# File 'app/models/c2/reporter/bucket.rb', line 40

def count
  self.scope.count
end

#id ⇒ Object 



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# File 'app/models/c2/reporter/bucket.rb', line 32

def id
  @scope_name.to_sym
end

#klass ⇒ Object 



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# File 'app/models/c2/reporter/bucket.rb', line 24

def klass
  @klass_cache ||= @klass_name.to_s.classify.constantize
end

#label ⇒ Object 



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# File 'app/models/c2/reporter/bucket.rb', line 36

def label
  @scope_name.to_s.titleize
end

#refresh ⇒ Object 



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# File 'app/models/c2/reporter/bucket.rb', line 44

def refresh
  @series_cache = {}
  started_at = self.scope.where(:created_at.ne => nil).min(:created_at) || Time.now
  self.scope.each do |item|
    date = (item.created_at || started_at).to_date
    @series.each do |key,value|
      data = item.respond_to?(key) ? item.send(key) : 1
      @series_cache[key] ||= Hash.new(0)
      @series_cache[key][date] += value[:mutators].inject(data) { |memo,mutator| memo.send(mutator) }
    end
  end
  @series.map do |key,value|
    value[:start] = started_at.to_date
    value[:end] = Date.today
    value[:data] = (value[:start]..value[:end]).map { |d| @series_cache[key][d] }
  end
  @refreshed_at = Time.now.utc
end

#scope ⇒ Object 



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# File 'app/models/c2/reporter/bucket.rb', line 28

def scope
  self.klass.send(@scope_name)
end