Class: Location

Inherits:
Sequel::Model
  • Object
show all
Defined in:
backend/app/model/location.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.batch_update(location) ⇒ Object 



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# File 'backend/app/model/location.rb', line 83

def self.batch_update(location)
  location[:record_uris].map do |uri|
    id = JSONModel.parse_reference(uri)[:id]
    json = Location.to_jsonmodel(id)
    json.update(location.to_hash)

    cleaned = JSONModel(:location).from_hash(json.to_hash)

    Location.get_or_die(id).update_from_json(cleaned)
  end
end

.building_data ⇒ Object 



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# File 'backend/app/model/location.rb', line 159

def self.building_data
  buildings = {}
  all = self.exclude(building: nil).order_by(:building, :floor, :room, :area)
  all.each do |location|
    # a location should always have a building
    buildings[location.building] ||= {}
    floors = buildings[location.building]

    if location.floor
      floors[location.floor] ||= {}
      rooms = floors[location.floor]
    else
      floors['[no floor]'] ||= {}
      rooms = floors['[no floor]']
    end

    if location.room
      rooms[location.room] ||= []
      areas = rooms[location.room]
    else
      rooms['[no room]'] ||= []
      areas = rooms['[no room]']
    end

    next if location.area.nil?
    areas.push(location.area) unless areas.include? location.area
  end

  buildings
end

.create_for_batch(batch) ⇒ Object 



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# File 'backend/app/model/location.rb', line 78

def self.create_for_batch(batch)
  locations = generate_locations_for_batch(batch)
  locations.map {|location| self.create_from_json(location)}
end

.create_from_json(json, opts = {}) ⇒ Object 



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# File 'backend/app/model/location.rb', line 66

def self.create_from_json(json, opts = {})
  self.uniqify_functions(json)
  super
end

.for_building(building, floor = nil, room = nil, area = nil) ⇒ Object 



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# File 'backend/app/model/location.rb', line 190

def self.for_building(building, floor = nil, room = nil, area = nil)
  query = {
    :building => building
  }
  query[:floor] = floor if floor && floor != ''
  query[:room] = room if room && room != ''
  query[:area] = area if area && area != ''

  self.filter(query).all
end

.generate_indicators(opts) ⇒ Object 



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# File 'backend/app/model/location.rb', line 137

def self.generate_indicators(opts)
  range = (opts["start"]..opts["end"]).take(AppConfig[:max_location_range].to_i)
  range.map {|i| "#{opts["prefix"]}#{i}#{opts["suffix"]}"}
end

.generate_locations_for_batch(batch) ⇒ Object 



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# File 'backend/app/model/location.rb', line 100

def self.generate_locations_for_batch(batch)
  indicators_1, indicators_2, indicators_3 = [batch["coordinate_1_range"], batch["coordinate_2_range"], batch["coordinate_3_range"]].
                                                compact.
                                                map {|data| generate_indicators(data)}

  source_location = batch.clone

  results = []

  indicators_1.each do |indicator_1|
    source_location["coordinate_1_label"] = batch["coordinate_1_range"]["label"]
    source_location["coordinate_1_indicator"] = indicator_1

    if indicators_2
      indicators_2.each do |indicator_2|
        source_location["coordinate_2_label"] = batch["coordinate_2_range"]["label"]
        source_location["coordinate_2_indicator"] = indicator_2

        if indicators_3
          indicators_3.each do |indicator_3|
            source_location["coordinate_3_label"] = batch["coordinate_3_range"]["label"]
            source_location["coordinate_3_indicator"] = indicator_3

            results.push(JSONModel(:location).from_hash(source_location))
          end
        else
          results.push(JSONModel(:location).from_hash(source_location))
        end
      end
    else
      results.push(JSONModel(:location).from_hash(source_location))
    end
  end

  results
end

.generate_title(json) ⇒ Object 



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# File 'backend/app/model/location.rb', line 26

def self.generate_title(json)
  title = ""

  title << json['building']
  title << ", #{json['floor']}" if json['floor']
  title << ", #{json['room']}" if json['room']
  title << ", #{json['area']}" if json['area']

  others = []
  others << json['barcode'] if json['barcode']
  others << json['classification'] if json['classification']
  others << "#{json['coordinate_1_label']}: #{json['coordinate_1_indicator']}" if json['coordinate_1_label']
  others << "#{json['coordinate_2_label']}: #{json['coordinate_2_indicator']}" if json['coordinate_2_label']
  others << "#{json['coordinate_3_label']}: #{json['coordinate_3_indicator']}" if json['coordinate_3_label']

  title << " [#{others.join(", ")}]"

  title
end

.titles_for_batch(batch) ⇒ Object 



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# File 'backend/app/model/location.rb', line 95

def self.titles_for_batch(batch)
  locations = generate_locations_for_batch(batch)
  locations.map {|location| self.generate_title(location)}
end

.uniqify_functions(json) ⇒ Object 



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# File 'backend/app/model/location.rb', line 53

def self.uniqify_functions(json)
  found_fns = []
  json['functions'] = json['functions'].select do |fn|
    if found_fns.include? fn['location_function_type']
      false
    else
      found_fns << fn['location_function_type']
      true
    end
  end
end

Instance Method Details

#delete ⇒ Object

Raises:



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# File 'backend/app/model/location.rb', line 143

def delete
  # only allow delete if the location doesn't have any relationships that should be preserved
  object_graph = self.object_graph

  # These relationships should not prevent deletion if the location is otherwise unlinked.
  ignored_relationships = [Location.find_relationship(:location_profile),
                           Location.find_relationship(:owner_repo)]

  if object_graph.models.any? {|model| model.is_relationship? && !ignored_relationships.include?(model) }
    raise ConflictException.new("Location cannot be deleted if linked")
  end

  super
end

#update_from_json(json, opts = {}, apply_nested_records = true) ⇒ Object 



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# File 'backend/app/model/location.rb', line 72

def update_from_json(json, opts = {}, apply_nested_records = true)
  self.class.uniqify_functions(json)
  super
end