Add phash generation and dupe checking (#1158)

pkg/manager/manager_tasks.go

@@ -222,6 +222,7 @@ func (s *singleton) Scan(input models.ScanMetadataInput) {
 					GeneratePreview:      utils.IsTrue(input.ScanGeneratePreviews),
 					GenerateImagePreview: utils.IsTrue(input.ScanGenerateImagePreviews),
 					GenerateSprite:       utils.IsTrue(input.ScanGenerateSprites),
+					GeneratePhash:        utils.IsTrue(input.ScanGeneratePhashes),
 				}
 				go task.Start(&wg)
 
@@ -427,7 +428,7 @@ func (s *singleton) Generate(input models.GenerateMetadataInput) {
 			logger.Infof("Taking too long to count content. Skipping...")
 			logger.Infof("Generating content")
 		} else {
-			logger.Infof("Generating %d sprites %d previews %d image previews %d markers %d transcodes", totalsNeeded.sprites, totalsNeeded.previews, totalsNeeded.imagePreviews, totalsNeeded.markers, totalsNeeded.transcodes)
+			logger.Infof("Generating %d sprites %d previews %d image previews %d markers %d transcodes %d phashes", totalsNeeded.sprites, totalsNeeded.previews, totalsNeeded.imagePreviews, totalsNeeded.markers, totalsNeeded.transcodes, totalsNeeded.phashes)
 		}
 
 		fileNamingAlgo := config.GetVideoFileNamingAlgorithm()
@@ -501,6 +502,16 @@ func (s *singleton) Generate(input models.GenerateMetadataInput) {
 				}
 				go task.Start(&wg)
 			}
+
+			if input.Phashes {
+				task := GeneratePhashTask{
+					Scene:               *scene,
+					fileNamingAlgorithm: fileNamingAlgo,
+					txnManager:          s.TxnManager,
+				}
+				wg.Add()
+				go task.Start(&wg)
+			}
 		}
 
 		wg.Wait()
@@ -992,6 +1003,7 @@ type totalsGenerate struct {
 	imagePreviews int64
 	markers       int64
 	transcodes    int64
+	phashes       int64
 }
 
 func (s *singleton) neededGenerate(scenes []*models.Scene, input models.GenerateMetadataInput) *totalsGenerate {
@@ -1065,6 +1077,17 @@ func (s *singleton) neededGenerate(scenes []*models.Scene, input models.Generate
 					totals.transcodes++
 				}
 			}
+
+			if input.Phashes {
+				task := GeneratePhashTask{
+					Scene:               *scene,
+					fileNamingAlgorithm: fileNamingAlgo,
+				}
+
+				if task.shouldGenerate() {
+					totals.phashes++
+				}
+			}
 		}
 		//check for timeout
 		select {