Improved codestyle.

app/controllers/monitoring_controller.rb

@@ -81,9 +81,9 @@ curl http://localhost/api/v1/monitoring/health_check?token=XXX
       issues.push 'scheduler not running'
     end
 
-    Scheduler.where(status: 'error').each { |scheduler|
+    Scheduler.where(status: 'error').each do |scheduler|
       issues.push "Failed to run scheduled job \'#{scheduler.name}\'. Cause: #{scheduler.error_message}"
-    }
+    end
 
     token = Setting.get('monitoring_token')
 
@@ -181,16 +181,14 @@ curl http://localhost/api/v1/monitoring/status?token=XXX
     access_check
 
     count = 0
-    Scheduler.where(status: 'error').where(active: false).each { |scheduler|
+    Scheduler.where(status: 'error', active: false).each do |scheduler|
-      scheduler.active = true
+      scheduler.update(active: true)
-      scheduler.save
       count += 1
-    }
+    end
 
-    result = {
+    render json: {
       job_restart_count: count
     }
-    render json: result
   end
 
   private

app/models/scheduler.rb

@@ -169,11 +169,13 @@ class Scheduler < ApplicationModel
   end
 
   def self._start_job(job, try_count = 0, try_run_time = Time.zone.now)
-    job.last_run      = Time.zone.now
+    job.update(
-    job.pid           = Thread.current.object_id
+      last_run:      Time.zone.now,
-    job.status        = 'ok'
+      pid:           Thread.current.object_id,
-    job.error_message = ''
+      status:        'ok',
-    job.save
+      error_message: '',
+    )
+
     logger.info "execute #{job.method} (try_count #{try_count})..."
     eval job.method() # rubocop:disable Lint/Eval
   rescue => e
@@ -203,10 +205,11 @@ class Scheduler < ApplicationModel
       error = "Failed to run #{job.method} after #{try_count} tries #{e.inspect}"
       logger.error error
 
-      job.error_message = error
+      job.update(
-      job.status        = 'error'
+        error_message: error,
-      job.active        = false
+        status: 'error',
-      job.save
+        active: false,
+      )
     end
   end