Solve part of the BindaCMS/binda-api#31 issue

app/models/binda/api_user.rb

@@ -14,7 +14,13 @@ def self.create_api_user
       STDOUT.puts "What is the api user name? [api_user]"
       username = STDIN.gets.strip
       username = 'api_user' if username.blank?
-      ApiUser.create!( name: username )
+      new_user = ApiUser.create!( name: username )
+      puts "User \"#{username}\" successfully created."
+      ::Binda::Structure.all.each do |structure|
+        new_user.structures << structure
+      end
+      new_user.save!
+      puts "User \"#{username}\" has now granted access to all existing structures."
     end
 
     private

spec/models/binda/api_user_spec.rb

@@ -27,6 +27,15 @@ module Binda
       users = ::Binda::ApiUser.all
       expect(users.last.name).to eq('foo')
     end
+
+    it "has a generator method to create users which are granted access to all existing structures" do
+      STDIN = StringIO.new("bar\n")
+      ::Binda::ApiUser.create_api_user
+      num_of_structures = Structure.all.count
+      users = ::Binda::ApiUser.all
+      expect(users.last.name).to eq('bar')
+      expect(users.last.reload.structures.count).to eq(num_of_structures)
+    end
   end
 end