Class: AMEE::Profile::Category

Inherits:
Object show all
Defined in:
lib/amee/profile_category.rb

Instance Attribute Summary collapse

Attributes inherited from Object

#profile_date, #profile_uid

Attributes inherited from Object

#connection, #created, #modified, #name, #path, #uid

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Object

#full_path

Constructor Details

#initialize(data = {}) ⇒ Category

Returns a new instance of Category.



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# File 'lib/amee/profile_category.rb', line 7

def initialize(data = {})
  @children = data ? data[:children] : []
  @items = data ? data[:items] : []
  @total_amount = data[:total_amount]
  @total_amount_unit = data[:total_amount_unit]
  @start_date = data[:start_date]
  @end_date = data[:end_date]
  super
end

Instance Attribute Details

#children ⇒ Object (readonly)

Returns the value of attribute children.



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# File 'lib/amee/profile_category.rb', line 17

def children
  @children
end

#items ⇒ Object (readonly)

Returns the value of attribute items.



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# File 'lib/amee/profile_category.rb', line 18

def items
  @items
end

#total_amount ⇒ Object (readonly)

Returns the value of attribute total_amount.



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# File 'lib/amee/profile_category.rb', line 19

def total_amount
  @total_amount
end

#total_amount_unit ⇒ Object (readonly)

Returns the value of attribute total_amount_unit.



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# File 'lib/amee/profile_category.rb', line 20

def total_amount_unit
  @total_amount_unit
end

Class Method Details

.from_json(json, options) ⇒ Object 



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# File 'lib/amee/profile_category.rb', line 102

def self.from_json(json, options)
  # Parse json
  doc = JSON.parse(json)
  data = {}
  data[:profile_uid] = doc['profile']['uid']
  data[:profile_date] = DateTime.strptime(doc['profileDate'], "%Y%m") rescue nil
  data[:name] = doc['dataCategory']['name']
  data[:path] = doc['path']
  data[:total_amount] = doc['totalAmountPerMonth']
  data[:total_amount_unit] = "kg/month"
  data[:children] = []
  if doc['children'] && doc['children']['dataCategories']
    doc['children']['dataCategories'].each do |child|
      data[:children] << parse_json_profile_category(child)
    end
  end
  data[:items] = []
  profile_items = []
  profile_items.concat doc['children']['profileItems']['rows'] rescue nil
  profile_items << doc['profileItem'] unless doc['profileItem'].nil?
  profile_items.each do |item|
    data[:items] << parse_json_profile_item(item)
  end
  # Create object
  Category.new(data)
rescue
  raise AMEE::BadData.new("Couldn't load ProfileCategory from JSON data. Check that your URL is correct.\n#{json}")
end

.from_v2_atom(response, options) ⇒ Object 



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# File 'lib/amee/profile_category.rb', line 361

def self.from_v2_atom(response, options)
  # Parse XML
  doc = REXML::Document.new(response)
  data = {}
  data[:profile_uid] = REXML::XPath.first(doc, "/feed/@xml:base").to_s.match("/profiles/(.*?)/")[1]
  data[:start_date] = options[:start_date]
  data[:end_date] = options[:end_date]
  data[:name] = REXML::XPath.first(doc, '/feed/amee:name').text
  data[:path] = REXML::XPath.first(doc, "/feed/@xml:base").to_s.match("/profiles/.*?(/.*)")[1]
  data[:total_amount] = REXML::XPath.first(doc, '/feed/amee:totalAmount').text.to_f rescue nil
  data[:total_amount_unit] = REXML::XPath.first(doc, '/feed/amee:totalAmount/@unit').to_s rescue nil
  data[:children] = []
  REXML::XPath.each(doc, '/feed/amee:categories/amee:category') do |child|
    category_data = {}
#          category_data[:path] = child.text
    category_data[:path] = child.text
#          category_data[:uid] = child.attributes['uid'].to_s
    data[:children] << category_data
  end
#        REXML::XPath.each(doc, '/Resources/ProfileCategoryResource/Children/ProfileCategories/ProfileCategory') do |child|
#          data[:children] << parse_xml_profile_category(child)
#        end
  data[:items] = []
  REXML::XPath.each(doc, '/feed/entry') do |entry|
    item = {}
    item[:uid] = entry.elements['id'].text.match("urn:item:(.*)")[1]
    item[:name] = entry.elements['title'].text
    item[:path] = item[:uid]
#          data[:dataItemLabel].should == "gas"
#          data[:dataItemUid].should == "66056991EE23"
    item[:amount] = entry.elements['amee:amount'].text.to_f rescue nil
    item[:amount_unit] = entry.elements['amee:amount'].attributes['unit'].to_s rescue nil
    item[:startDate] = DateTime.parse(entry.elements['amee:startDate'].text)
    item[:endDate] = DateTime.parse(entry.elements['amee:endDate'].text) rescue nil
    item[:values] = {}
    entry.elements.each do |itemvalue|
      if itemvalue.name == 'itemValue'
        path = itemvalue.elements['link'].attributes['href'].to_s.match(".*/(.*)")[1]
        x = {}
        x[:path] = path
        x[:name] = itemvalue.elements['amee:name'].text
        x[:value] = itemvalue.elements['amee:value'].text unless itemvalue.elements['amee:value'].text == "N/A"
        x[:value] ||= "0"
        x[:unit] = itemvalue.elements['amee:unit'].text rescue nil
        x[:per_unit] = itemvalue.elements['amee:perUnit'].text rescue nil
        item[:values][path.to_sym] = x
      end
    end
    data[:items] << item
  end
  # Create object
  Category.new(data)
rescue
  raise AMEE::BadData.new("Couldn't load ProfileCategory from V2 Atom data. Check that your URL is correct.\n#{response}")
end

.from_v2_batch_json(json) ⇒ Object 



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# File 'lib/amee/profile_category.rb', line 189

def self.from_v2_batch_json(json)
  # Parse JSON
  doc = JSON.parse(json)
  data = {}
  data[:profileItems] = []
  doc['profileItems'].each do |child|
    profile_item = {}
    profile_item[:uri] = child['uri'].to_s
    profile_item[:uid] = child['uid'].to_s
    data[:profileItems] << profile_item
  end
  return data
rescue
  raise AMEE::BadData.new("Couldn't load ProfileCategory batch response from V2 JSON data. Check that your URL is correct.\n#{json}")
end

.from_v2_batch_xml(xml) ⇒ Object 



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# File 'lib/amee/profile_category.rb', line 345

def self.from_v2_batch_xml(xml)
  # Parse XML
  doc = REXML::Document.new(xml)
  data = {}
  data[:profileItems] = []
  REXML::XPath.each(doc, '/Resources/ProfileItems/ProfileItem') do |child|
    profile_item = {}
    profile_item[:uri] = child.attributes['uri'].to_s
    profile_item[:uid] = child.attributes['uid'].to_s
    data[:profileItems] << profile_item
  end
  return data
rescue
  raise AMEE::BadData.new("Couldn't load ProfileCategory batch response from V2 XML data. Check that your URL is correct.\n#{xml}")
end

.from_v2_json(json, options) ⇒ Object 



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# File 'lib/amee/profile_category.rb', line 131

def self.from_v2_json(json, options)
  # Parse json
  doc = JSON.parse(json)
  data = {}
  data[:profile_uid] = doc['profile']['uid']
  data[:start_date] = options[:start_date]
  data[:end_date] = options[:end_date]
  data[:name] = doc['dataCategory']['name']
  data[:path] = doc['path']
  data[:total_amount] = doc['totalAmount']['value'].to_f rescue nil
  data[:total_amount_unit] = doc['totalAmount']['unit'] rescue nil
  data[:children] = []
  if doc['profileCategories']
    doc['profileCategories'].each do |child|
      data[:children] << parse_json_profile_category(child)
    end
  end
  data[:items] = []
  profile_items = []
  profile_items.concat doc['profileItems'] rescue nil
  profile_items << doc['profileItem'] unless doc['profileItem'].nil?
  profile_items.each do |item|
    data[:items] << parse_json_profile_item(item)
  end
  # Create object
  Category.new(data)
rescue
  raise AMEE::BadData.new("Couldn't load ProfileCategory from V2 JSON data. Check that your URL is correct.\n#{json}")
end

.from_v2_xml(xml, options) ⇒ Object 



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# File 'lib/amee/profile_category.rb', line 310

def self.from_v2_xml(xml, options)
  # Parse XML
  doc = REXML::Document.new(xml)
  data = {}
  data[:profile_uid] = REXML::XPath.first(doc, "/Resources/ProfileCategoryResource/Profile/@uid").to_s
  data[:start_date] = options[:start_date]
  data[:end_date] = options[:end_date]
  data[:name] = REXML::XPath.first(doc, '/Resources/ProfileCategoryResource/DataCategory/Name').text
  data[:path] = REXML::XPath.first(doc, '/Resources/ProfileCategoryResource/Path').text || ""
  data[:total_amount] = REXML::XPath.first(doc, '/Resources/ProfileCategoryResource/TotalAmount').text.to_f rescue nil
  data[:total_amount_unit] = REXML::XPath.first(doc, '/Resources/ProfileCategoryResource/TotalAmount/@unit').to_s rescue nil
  data[:children] = []
  REXML::XPath.each(doc, '/Resources/ProfileCategoryResource/ProfileCategories/DataCategory') do |child|
    category_data = {}
    category_data[:name] = child.elements['Name'].text
    category_data[:path] = child.elements['Path'].text
    category_data[:uid] = child.attributes['uid'].to_s
    data[:children] << category_data
  end
  REXML::XPath.each(doc, '/Resources/ProfileCategoryResource/Children/ProfileCategories/ProfileCategory') do |child|
    data[:children] << parse_xml_profile_category(child)
  end
  data[:items] = []
  REXML::XPath.each(doc, '/Resources/ProfileCategoryResource/ProfileItems/ProfileItem') do |item|
    data[:items] << parse_v2_xml_profile_item(item)
  end
  REXML::XPath.each(doc, '/Resources/ProfileCategoryResource/ProfileItem') do |item|
    data[:items] << parse_v2_xml_profile_item(item)
  end
  # Create object
  Category.new(data)
rescue
  raise AMEE::BadData.new("Couldn't load ProfileCategory from V2 XML data. Check that your URL is correct.\n#{xml}")
end

.from_xml(xml, options) ⇒ Object 



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# File 'lib/amee/profile_category.rb', line 230

def self.from_xml(xml, options)
  # Parse XML
  doc = REXML::Document.new(xml)
  data = {}
  data[:profile_uid] = REXML::XPath.first(doc, "/Resources/ProfileCategoryResource/Profile/@uid").to_s
  data[:profile_date] = DateTime.strptime(REXML::XPath.first(doc, "/Resources/ProfileCategoryResource/ProfileDate").text, "%Y%m")
  data[:name] = REXML::XPath.first(doc, '/Resources/ProfileCategoryResource/DataCategory/?ame').text
  data[:path] = REXML::XPath.first(doc, '/Resources/ProfileCategoryResource/Path | /Resources/ProfileCategoryResource/DataCategory/path').text || ""
  data[:path] = "/#{data[:path]}" if data[:path].slice(0,1) != '/'
  data[:total_amount] = REXML::XPath.first(doc, '/Resources/ProfileCategoryResource/TotalAmountPerMonth').text.to_f rescue nil
  data[:total_amount_unit] = "kg/month"
  data[:children] = []
  REXML::XPath.each(doc, '/Resources/ProfileCategoryResource/Children/ProfileCategories/DataCategory | /Resources/ProfileCategoryResource/Children/DataCategories/DataCategory') do |child|
    category_data = {}
    category_data[:name] = (child.elements['Name'] || child.elements['name']).text
    category_data[:path] = (child.elements['Path'] || child.elements['path']).text
    category_data[:uid] = child.attributes['uid'].to_s
    data[:children] << category_data
  end
  REXML::XPath.each(doc, '/Resources/ProfileCategoryResource/Children/ProfileCategories/ProfileCategory') do |child|
    data[:children] << parse_xml_profile_category(child)
  end
  data[:items] = []
  REXML::XPath.each(doc, '/Resources/ProfileCategoryResource/Children/ProfileItems/ProfileItem') do |item|
    data[:items] << parse_xml_profile_item(item)
  end
  REXML::XPath.each(doc, '/Resources/ProfileCategoryResource/ProfileItem') do |item|
    data[:items] << parse_xml_profile_item(item)
  end
  REXML::XPath.each(doc, '/Resources/ProfileCategoryResource/ProfileItems/ProfileItem') do |item|
    data[:items] << parse_xml_profile_item(item)
  end
  # Create object
  Category.new(data)
rescue
  raise AMEE::BadData.new("Couldn't load ProfileCategory from XML data. Check that your URL is correct.\n#{xml}")
end

.get(connection, path, orig_options = {}) ⇒ Object 



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# File 'lib/amee/profile_category.rb', line 471

def self.get(connection, path, orig_options = {})
  unless orig_options.is_a?(Hash)
    raise AMEE::ArgumentError.new("Third argument must be a hash of options!")
  end
  # Convert to AMEE options
  options = orig_options.clone
  if options[:start_date] && connection.version < 2
    options[:profileDate] = options[:start_date].amee1_month 
  elsif options[:start_date] && connection.version >= 2
    options[:startDate] = options[:start_date].xmlschema
  end
  options.delete(:start_date)
  if options[:end_date] && connection.version >= 2
    options[:endDate] = options[:end_date].xmlschema
  end
  options.delete(:end_date)
  if options[:duration] && connection.version >= 2
    options[:duration] = "PT#{options[:duration] * 86400}S"
  end
  # Load data from path
  response = connection.get(path, options).body
  return Category.parse(connection, response, orig_options)
rescue
  raise AMEE::BadData.new("Couldn't load ProfileCategory. Check that your URL is correct.\n#{response}")
end

.get_history(connection, path, num_months, end_date = Date.today, items_per_page = 10) ⇒ Object 



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# File 'lib/amee/profile_category.rb', line 417

def self.get_history(connection, path, num_months, end_date = Date.today, items_per_page = 10)
  month = end_date.month
  year = end_date.year
  history = []
  num_months.times do
    date = Date.new(year, month)
    data = self.get(connection, path, :start_date => date, :itemsPerPage => items_per_page)
    # If we get no data items back, there is no data at all before this date, so don't bother fetching it
    if data.items.empty?
      (num_months - history.size).times do
        history << Category.new(:children => [], :items => [])
      end
      break
    else
      history << data
    end
    month -= 1
    if (month == 0)
      year -= 1
      month = 12
    end
  end
  return history.reverse
end

.parse(connection, response, options) ⇒ Object 



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# File 'lib/amee/profile_category.rb', line 442

def self.parse(connection, response, options)
  # Parse data from response
  if response.is_v2_json?
    cat = Category.from_v2_json(response, options)
  elsif response.is_json?
    cat = Category.from_json(response, options)
  elsif response.is_v2_atom?
    cat = Category.from_v2_atom(response, options)
  elsif response.is_v2_xml?
    cat = Category.from_v2_xml(response, options)
  elsif response.is_xml?
    cat = Category.from_xml(response, options)
  end
  # Store connection in object for future use
  cat.connection = connection
  # Done
  return cat
end

.parse_batch(connection, response) ⇒ Object 



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# File 'lib/amee/profile_category.rb', line 461

def self.parse_batch(connection, response)
  if response.is_v2_json?
    return Category.from_v2_batch_json(response)
  elsif response.is_v2_xml?
    return Category.from_v2_batch_xml(response)
  else
    return self.parse(connection, response, nil)
  end
end

.parse_json_profile_category(category) ⇒ Object 



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# File 'lib/amee/profile_category.rb', line 76

def self.parse_json_profile_category(category)
  datacat = category['dataCategory'] ? category['dataCategory'] : category
  category_data = {}
  category_data[:name] = datacat['name']
  category_data[:path] = datacat['path']
  category_data[:uid] = datacat['uid']
  category_data[:totalAmountPerMonth] = category['totalAmountPerMonth'].to_f
  category_data[:children] = []
  category_data[:items] = []
  if category['children']
    category['children'].each do |child|
      if child[0] == 'dataCategories'
        child[1].each do |child_cat|
          category_data[:children] << parse_json_profile_category(child_cat)
        end
      end
      if child[0] == 'profileItems' && child[1]['rows']
        child[1]['rows'].each do |child_item|
          category_data[:items] << parse_json_profile_item(child_item)
        end
      end
    end
  end
  return category_data
end

.parse_json_profile_item(item) ⇒ Object 



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# File 'lib/amee/profile_category.rb', line 30

def self.parse_json_profile_item(item)
  item_data = {}
  item_data[:values] = {}
  item.each_pair do |key, value|
    case key
      when 'dataItemLabel', 'dataItemUid', 'name', 'path', 'uid'
        item_data[key.to_sym] = value
      when 'dataItem'
        item_data[:dataItemLabel] = value['Label']
        item_data[:dataItemUid] = value['uid']
      when 'label' # ignore these
        nil
      when 'created'
        item_data[:created] = DateTime.parse(value)
      when 'modified'
        item_data[:modified] = DateTime.parse(value)
      when 'validFrom'
        item_data[:validFrom] = DateTime.strptime(value, "%Y%m%d")
      when 'startDate'
        item_data[:startDate] = DateTime.parse(value)
      when 'endDate'
        item_data[:endDate] = DateTime.parse(value) rescue nil
      when 'end'
        item_data[:end] = (value == "true")
      when 'amountPerMonth'
        item_data[:amountPerMonth] = value.to_f
      when 'amount'
        item_data[:amount] = value['value'].to_f
        item_data[:amount_unit] = value['unit']
      when 'itemValues'
        value.each do |itemval|
          path = itemval['path'].to_sym
          item_data[:values][path.to_sym] = {}
          item_data[:values][path.to_sym][:name] = itemval['name']
          item_data[:values][path.to_sym][:value] = itemval['value']
          item_data[:values][path.to_sym][:unit] = itemval['unit']
          item_data[:values][path.to_sym][:per_unit] = itemval['perUnit']
        end
      else
        item_data[:values][key.to_sym] = value
    end
  end
  item_data[:path] ||= item_data[:uid] # Fill in path if not retrieved from response
  return item_data
end

.parse_v2_xml_profile_item(item) ⇒ Object 



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# File 'lib/amee/profile_category.rb', line 268

def self.parse_v2_xml_profile_item(item)
  item_data = {}
  item_data[:values] = {}
  item.elements.each do |element|
    key = element.name
    case key.downcase
      when 'name', 'path'
        item_data[key.downcase.to_sym] = element.text
      when 'dataitem'
        item_data[:dataItemLabel] = element.elements['Label'].text
        item_data[:dataItemUid] = element.attributes['uid'].to_s
      when 'validfrom'
        item_data[:validFrom] = DateTime.strptime(element.text, "%Y%m%d")
      when 'startdate'
        item_data[:startDate] = DateTime.parse(element.text)
      when 'enddate'
        item_data[:endDate] = DateTime.parse(element.text) if element.text
      when 'end'
        item_data[:end] = (element.text == "true")
      when 'amount'
        item_data[:amount] = element.text.to_f
        item_data[:amount_unit] = element.attributes['unit'].to_s
      when 'itemvalues'
        element.elements.each do |itemvalue|
          path = itemvalue.elements['Path'].text
          item_data[:values][path.to_sym] = {}
          item_data[:values][path.to_sym][:name] = itemvalue.elements['Name'].text
          item_data[:values][path.to_sym][:value] = itemvalue.elements['Value'].text || "0"
          item_data[:values][path.to_sym][:unit] = itemvalue.elements['Unit'].text
          item_data[:values][path.to_sym][:per_unit] = itemvalue.elements['PerUnit'].text
        end
      else
        item_data[:values][key.to_sym] = element.text
    end
  end
  item_data[:uid] = item.attributes['uid'].to_s
  item_data[:created] = DateTime.parse(item.attributes['created'].to_s) rescue nil
  item_data[:modified] = DateTime.parse(item.attributes['modified'].to_s) rescue nil
  item_data[:path] ||= item_data[:uid] # Fill in path if not retrieved from response
  return item_data
end

.parse_xml_profile_category(category) ⇒ Object 



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# File 'lib/amee/profile_category.rb', line 205

def self.parse_xml_profile_category(category)
  category_data = {}
  category_data[:name] = category.elements['DataCategory'].elements['Name'].text
  category_data[:path] = category.elements['DataCategory'].elements['Path'].text
  category_data[:uid] = category.elements['DataCategory'].attributes['uid'].to_s
  category_data[:totalAmountPerMonth] = category.elements['TotalAmountPerMonth'].text.to_f rescue nil
  category_data[:children] = []
  category_data[:items] = []
  if category.elements['Children']
    category.elements['Children'].each do |child|
      if child.name == 'ProfileCategories'
        child.each do |child_cat|
          category_data[:children] << parse_xml_profile_category(child_cat)
        end
      end
      if child.name == 'ProfileItems'
        child.each do |child_item|
          category_data[:items] << parse_xml_profile_item(child_item)
        end
      end
    end
  end
  return category_data
end

.parse_xml_profile_item(item) ⇒ Object 



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# File 'lib/amee/profile_category.rb', line 161

def self.parse_xml_profile_item(item)
  item_data = {}
  item_data[:values] = {}
  item.elements.each do |element|
    key = element.name
    value = element.text
    case key.downcase
      when 'dataitemlabel', 'dataitemuid', 'name', 'path'
        item_data[key.to_sym] = value
      when 'dataitem'
        item_data[:dataItemUid] = element.attributes['uid']
      when 'validfrom'
        item_data[:validFrom] = DateTime.strptime(value, "%Y%m%d")
      when 'end'
        item_data[:end] = (value == "true")
      when 'amountpermonth'
        item_data[:amountPerMonth] = value.to_f
      else
        item_data[:values][key.to_sym] = value
    end
  end
  item_data[:uid] = item.attributes['uid'].to_s
  item_data[:created] = DateTime.parse(item.attributes['created'].to_s) rescue nil
  item_data[:modified] = DateTime.parse(item.attributes['modified'].to_s) rescue nil
  item_data[:path] ||= item_data[:uid] # Fill in path if not retrieved from response
  return item_data
end

Instance Method Details

#child(child_path) ⇒ Object 



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# File 'lib/amee/profile_category.rb', line 497

def child(child_path)
  AMEE::Profile::Category.get(connection, "#{full_path}/#{child_path}")
end

#end_date ⇒ Object 



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# File 'lib/amee/profile_category.rb', line 26

def end_date
  @end_date
end

#item(options) ⇒ Object 



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# File 'lib/amee/profile_category.rb', line 501

def item(options)
  # Search fields - from most specific to least specific
  item = items.find{ |x| x[:uid] == options[:uid] || x[:name] == options[:name] || x[:dataItemUid] == options[:dataItemUid] || x[:dataItemLabel] == options[:dataItemLabel] }
  # Pass through some options
  new_opts = {}
  new_opts[:returnUnit] = options[:returnUnit] if options[:returnUnit]
  new_opts[:returnPerUnit] = options[:returnPerUnit] if options[:returnPerUnit]
  new_opts[:format] = options[:format] if options[:format]
  item ? AMEE::Profile::Item.get(connection, "#{full_path}/#{item[:path]}", new_opts) : nil
end

#start_date ⇒ Object 



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# File 'lib/amee/profile_category.rb', line 22

def start_date
  @start_date || profile_date
end