Update/Add controllers for school import and job tracking.

This commit modifies SchoolsController to add the endpoint for
importing schools.

It introduces SchoolImportJobsController as the controller for the
endpoint though which clients can track job status.

Author: fspeirs

app/controllers/api/school_import_jobs_controller.rb

@@ -0,0 +1,70 @@
+# frozen_string_literal: true
+
+module Api
+  class SchoolImportJobsController < ApiController
+    before_action :authorize_user
+
+    def show
+      authorize! :read, :school_import_job
+      job = find_job
+
+      if job.nil?
+        render json: SchoolImportError.format_error(:job_not_found, 'Job not found'), status: :not_found
+        return
+      end
+
+      render json: build_job_response(job), status: :ok
+    end
+
+    private
+
+    def find_job
+      # GoodJob stores jobs in the good_jobs table as Executions
+      # The job_id returned to users is the ActiveJob ID
+      # We need to query by active_job_id, not by execution id
+      job = GoodJob::Execution.find_by(active_job_id: params[:id])
+
+      # Verify this is an import job (security check)
+      return nil unless job && job.job_class == 'ImportSchoolsJob'
+
+      job
+    end
+
+    def build_job_response(job)
+      response = {
+        id: job.active_job_id,
+        status: job_status(job),
+        created_at: job.created_at,
+        finished_at: job.finished_at,
+        job_class: job.job_class
+      }
+
+      # If job is finished successfully, get results from dedicated table
+      if job.finished_at.present? && job.error.blank?
+        result = SchoolImportResult.find_by(job_id: job.active_job_id)
+        if result
+          response[:results] = result.results
+        else
+          response[:message] = 'Job completed successfully'
+        end
+      end
+
+      # Include error if job failed
+      if job.error.present?
+        response[:error] = job.error
+        response[:status] = 'failed'
+      end
+
+      response
+    end
+
+    def job_status(job)
+      return 'failed' if job.error.present?
+      return 'completed' if job.finished_at.present?
+      return 'scheduled' if job.scheduled_at.present? && job.scheduled_at > Time.current
+      return 'running' if job.performed_at.present? && job.finished_at.nil?
+
+      'queued'
+    end
+  end
+end

app/controllers/api/schools_controller.rb

@@ -4,6 +4,7 @@ module Api
   class SchoolsController < ApiController
     before_action :authorize_user
     load_and_authorize_resource
+    skip_load_and_authorize_resource only: :import
 
     def index
       @schools = School.accessible_by(current_ability)
@@ -47,6 +48,31 @@ def destroy
       end
     end
 
+    def import
+      authorize! :import, School
+
+      if params[:csv_file].blank?
+        render json: SchoolImportError.format_error(:csv_file_required, 'CSV file is required'),
+               status: :unprocessable_entity
+        return
+      end
+
+      result = School::ImportBatch.call(
+        csv_file: params[:csv_file],
+        current_user: current_user
+      )
+
+      if result.success?
+        render json: {
+          job_id: result[:job_id],
+          total_schools: result[:total_schools],
+          message: 'Import job started successfully'
+        }, status: :accepted
+      else
+        render json: result[:error], status: :unprocessable_entity
+      end
+    end
+
     private
 
     def school_params