#434

backend/app/controllers/counts_exports_controller.rb

@@ -1,6 +1,27 @@
 class CountsExportsController < ApplicationController
   wrap_parameters false
 
+  def create_job
+    locale = resolve_locale!
+    payload = request.request_parameters.merge(request.query_parameters)
+    session[:counts_export_owner] ||= SecureRandom.hex(32)
+    job = CountsExportJobs.start(payload, session[:counts_export_owner], locale.language_code)
+    response.headers['Cache-Control'] = 'private, no-store'
+    render json: { job: }, status: :accepted
+  rescue CountsExportDownload::Busy
+    head :too_many_requests
+  rescue ArgumentError, TypeError, KeyError, JSON::ParserError
+    head :bad_request
+  end
+
+  def job_status
+    job_state(cancel: false)
+  end
+
+  def cancel_job
+    job_state(cancel: true)
+  end
+
   def prepare
     locale = resolve_locale!
     payload = request.request_parameters.merge(request.query_parameters)
@@ -32,6 +53,15 @@ class CountsExportsController < ApplicationController
               disposition: 'attachment'
   end
 
+  def job_state(cancel:)
+    result = CountsExportJobs.status(params[:token], session[:counts_export_owner], cancel:)
+    return head :not_found unless result
+
+    response.headers['Cache-Control'] = 'private, no-store'
+    render json: result
+  end
+  private :job_state
+
   def index
     locale = resolve_locale!
     payload = request.request_parameters.except('authenticity_token')