Feature/checklist distributions

app/models/m_taxon_concept.rb

@@ -153,6 +153,7 @@ class MTaxonConcept < ApplicationRecord
     class_name: 'MCmsListingChange'
 
   has_many :cites_processes
+  has_many :distributions, foreign_key: :taxon_concept_id
 
   scope :by_cites_eu_taxonomy, -> { where(taxonomy_is_cites_eu: true) }
   scope :by_cms_taxonomy, -> { where(taxonomy_is_cites_eu: false) }

app/serializers/checklist/distribution_serializer.rb

@@ -0,0 +1,7 @@
+class Checklist::DistributionSerializer < ActiveModel::Serializer
+  attributes :geo_entity_id, :tag_names
+
+  def tag_names
+    object.tags.map(&:name)
+  end
+end

app/serializers/checklist/taxon_concept_serializer.rb

@@ -10,6 +10,9 @@ class Checklist::TaxonConceptSerializer < ActiveModel::Serializer
   has_many :current_cites_additions, serializer: Checklist::ListingChangeSerializer,
     key: :current_additions
 
+  has_many :distributions, serializer: Checklist::DistributionSerializer,
+    key: :distributions
+
   def id
     if object.is_a? Checklist::HigherTaxaItem
       object.id + 1000000 # unless ids differ, Ember will create a single object