Module: ArelDateScopes::ActiveRecord::ClassMethods

Defined in:
lib/arel_date_scopes/active_record.rb

Instance Method Summary collapse

Instance Method Details

#all_column(field = nil) ⇒ Object 



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# File 'lib/arel_date_scopes/active_record.rb', line 45

def all_column(field = nil)
  rows = scoped.all
  return [] if rows.empty?
  field ||= rows.first.attributes.keys.first
  rows.map { |row| row[field] }
end

#date_scopes_for(field) ⇒ Object 



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# File 'lib/arel_date_scopes/active_record.rb', line 10

def date_scopes_for(field)
  scope :"#{field}_year_eq", lambda { |year|
    t = arel_table
    where(t[field].year.eq(year))
  }
  
  scope :"#{field}_month_eq", lambda { |month|
    t = arel_table
    where(t[field].month.eq(month))
  }

  scope :"#{field}_day_eq", lambda { |day|
    t = arel_table
    where(t[field].dayofmonth.eq(day))
  }
  
  scope :"#{field}_years", lambda {
    t = arel_table
    select(t[field].year.as("#{field}_year")).group(t[field].year)
  }

  scope :"#{field}_months", lambda {
    t = arel_table
    select(t[field].month.as("#{field}_month")).group(t[field].month)
  }

  scope :"#{field}_days", lambda {
    t = arel_table
    select(t[field].dayofmonth.as("#{field}_day")).group(t[field].dayofmonth)
  }
  
  scope :"descend_by_#{field}", order("#{field} DESC")
  scope :"ascend_by_#{field}", order("#{field} ASC")        
end