Add leaders relation between location and characters

app/controllers/locations_controller.rb

@@ -16,6 +16,8 @@ class LocationsController < ContentController
       :notes, :private_notes,
 
       # Relations
+      #todo might be able to inject/reflect these from :relates concern implementation
+      location_leaderships_attributes:           [:id, :leader_id,       :_destroy],
       capital_cities_relationships_attributes:   [:id, :capital_city_id, :_destroy],
       largest_cities_relationships_attributes:   [:id, :largest_city_id, :_destroy],
       notable_cities_relationships_attributes:   [:id, :notable_city_id, :_destroy]

app/models/content_groupers/location_leadership.rb

@@ -0,0 +1,6 @@
+class LocationLeadership < ActiveRecord::Base
+  belongs_to :user
+
+  belongs_to :location
+  belongs_to :leader, class_name: 'Character'
+end

app/models/location.rb

@@ -17,6 +17,9 @@ class Location < ActiveRecord::Base
 
   include HasContentGroupers
 
+  # Characters
+  relates :leaders,           with: :location_leaderships
+
   # Locations
   relates :capital_cities,    with: :capital_cities_relationships
   relates :largest_cities,    with: :largest_cities_relationships
@@ -39,7 +42,7 @@ class Location < ActiveRecord::Base
       # TODO: map
       culture: {
         icon: 'face',
-        attributes: %w(population language currency motto)
+        attributes: %w(leaders population language currency motto)
       },
       cities: {
         icon: 'face',

db/migrate/20160903221819_create_location_leaderships.rb

@@ -0,0 +1,9 @@
+class CreateLocationLeaderships < ActiveRecord::Migration
+  def change
+    create_table :location_leaderships do |t|
+      t.integer :user_id
+      t.integer :location_id
+      t.integer :leader_id
+    end
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20160903221349) do
+ActiveRecord::Schema.define(version: 20160903221819) do
 
   create_table "archenemyships", force: :cascade do |t|
     t.integer  "user_id"
@@ -120,6 +120,12 @@ ActiveRecord::Schema.define(version: 20160903221349) do
     t.integer "largest_city_id"
   end
 
+  create_table "location_leaderships", force: :cascade do |t|
+    t.integer "user_id"
+    t.integer "location_id"
+    t.integer "leader_id"
+  end
+
   create_table "locations", force: :cascade do |t|
     t.string   "name",             null: false
     t.string   "type_of"