Initial commit

app/models/pending_analysis.rb

@@ -0,0 +1,121 @@
+class PendingAnalysis
+  def self.poll
+    PendingVideoAnalysis.poll
+    PendingAudioAnalysis.poll
+  end
+
+  def self.expire(age_threshold)
+    PendingAudioAnalysis.expire(age_threshold)
+    PendingVideoAnalysis.expire(age_threshold)
+  end
+
+  class PendingVideoAnalysis
+    def initialize(analysis_uid)
+      @analysis_uid = analysis_uid
+    end
+
+    def self.poll
+      Video.
+        analysis_pending.
+        pluck(:analysis_uid).
+        each { |uid| new(uid).poll }
+    end
+
+    def self.expire(age)
+      Video.
+        analysis_pending.
+        video_analysis_started_before(age).
+        pluck(:analysis_uid).
+        each { |video| new(video).expire }
+    end
+
+    def poll
+      if results_available?
+        notification.success!
+      end
+    end
+
+    def expire
+      if results_available?
+        notification.success!
+      else
+        notification.failure!
+      end
+    end
+
+    private
+
+    attr_reader :analysis_uid
+
+    def notification
+      @notification ||= AnalysisNotification.build(:video, analysis_uid)
+    end
+
+    def results_available?
+      facial_recognition = BrayniacAI::FacialRecognition.find(analysis_uid)
+      facial_recognition.respond_to?(:results)
+    rescue ActiveResource::ResourceNotFound => e
+      false
+    rescue ActiveResource::ServerError => e
+      message = "-- Video Analysis polling for #{analysis_uid} failed due to: #{e}"
+      puts message
+      Rails.logger.error(message)
+      false
+    end
+  end
+
+  class PendingAudioAnalysis
+    def self.poll
+      Video.
+        audio_analysis_pending.
+        pluck(:audio_analysis_uid).
+        each { |uid| new(uid).poll }
+    end
+
+    def self.expire(age)
+      Video.
+        audio_analysis_pending.
+        audio_analysis_started_before(age).
+        pluck(:audio_analysis_uid).
+        each { |uid| new(uid).expire }
+    end
+
+    def initialize(analysis_uid)
+      @analysis_uid = analysis_uid
+    end
+
+    def poll
+      if results_available?
+        notification.success!
+      end
+    end
+
+    def expire
+      if results_available?
+        notification.success!
+      else
+        notification.failure!
+      end
+    end
+
+    private
+
+    attr_reader :analysis_uid
+
+    def notification
+      @notification ||= AnalysisNotification.build(:audio, analysis_uid)
+    end
+
+    def results_available?
+      audio_recognition = BrayniacAI::AudioRecognition.find(analysis_uid)
+      audio_recognition.respond_to?(:results)
+    rescue ActiveResource::ResourceNotFound => e
+      false
+    rescue ActiveResource::ServerError => e
+      message = "-- Audio Analysis polling for #{analysis_uid} failed due to: #{e}"
+      puts message
+      Rails.logger.error(message)
+      false
+    end
+  end
+end