Display Terraform states

Add an index route, and a route to access a historical Terraform state
by index.

This also makes the ordering explicit, and fixes an issue with wrapped
parameters.

1 files changed, 28 insertions, 5 deletions

diff --git a/app/controllers/terraform_http_backend_controller.rb b/app/controllers/terraform_http_backend_controller.rb
index e4d8c54..4d11961 100644
--- a/app/controllers/terraform_http_backend_controller.rb
+++ b/app/controllers/terraform_http_backend_controller.rb
@@ -21,24 +21,47 @@
 class TerraformHttpBackendController < ApplicationController
   skip_before_action :verify_authenticity_token
 
+  def index
+    @all_states = TerraformState.all.group_by(&:state_id)
+  end
+
   def create
     TerraformState.create(
       state_id: state_id,
-      data: params
+      data: params[:terraform_http_backend]
     )
 
     render json: '{ "success": true }', status: 200
   end
 
   def show
-    state = TerraformState.where(
+    @state = TerraformState.where(
       state_id: state_id
-    ).last
+    ).order(:id).last
 
-    if state.nil?
+    if @state.nil?
       render json: '{}', status: 404
     else
-      render json: state.data, status: 200
+      render json: @state.data, status: 200
+    end
+  end
+
+  def show_by_index
+    @state = TerraformState.where(
+      state_id: state_id
+    ).order(:id).to_a[params[:index].to_i]
+
+    respond_to do |format|
+      format.html do
+        render :show
+      end
+      format.json do
+        if @state.nil?
+          render json: '{}', status: 404
+        else
+          render json: @state.data, status: 200
+        end
+      end
     end
   end