From 21d49b546a27de6c53d8fe7d1a68d5a3b5506c93 Mon Sep 17 00:00:00 2001
From: Nick White <git@njw.name>
Date: Mon, 28 Feb 2022 16:17:35 +0000
Subject: Add PreNoWipe queue, that just does binarisation but no wiping

---
 internal/pipeline/pipeline.go | 9 ++++++---
 internal/pipeline/put.go      | 5 ++++-
 2 files changed, 10 insertions(+), 4 deletions(-)

(limited to 'internal')

diff --git a/internal/pipeline/pipeline.go b/internal/pipeline/pipeline.go
index 639bba1..40ed02c 100644
--- a/internal/pipeline/pipeline.go
+++ b/internal/pipeline/pipeline.go
@@ -63,6 +63,7 @@ type Queuer interface {
 	DelFromQueue(url string, handle string) error
 	Log(v ...interface{})
 	OCRPageQueueId() string
+	PreNoWipeQueueId() string
 	PreQueueId() string
 	QueueHeartbeat(msg bookpipeline.Qmsg, qurl string, duration int64) (bookpipeline.Qmsg, error)
 	WipeQueueId() string
@@ -72,6 +73,7 @@ type UploadQueuer interface {
 	Log(v ...interface{})
 	Upload(bucket string, key string, path string) error
 	WIPStorageId() string
+	PreNoWipeQueueId() string
 	PreQueueId() string
 	WipeQueueId() string
 	OCRPageQueueId() string
@@ -93,6 +95,7 @@ type Pipeliner interface {
 	ListObjects(bucket string, prefix string) ([]string, error)
 	Log(v ...interface{})
 	OCRPageQueueId() string
+	PreNoWipeQueueId() string
 	PreQueueId() string
 	QueueHeartbeat(msg bookpipeline.Qmsg, qurl string, duration int64) (bookpipeline.Qmsg, error)
 	Upload(bucket string, key string, path string) error
@@ -239,7 +242,7 @@ func upAndQueue(ctx context.Context, c chan string, done chan bool, toQueue stri
 	done <- true
 }
 
-func Preprocess(thresholds []float64) func(context.Context, chan string, chan string, chan error, *log.Logger) {
+func Preprocess(thresholds []float64, nowipe bool) func(context.Context, chan string, chan string, chan error, *log.Logger) {
 	return func(ctx context.Context, pre chan string, up chan string, errc chan error, logger *log.Logger) {
 		for path := range pre {
 			select {
@@ -251,7 +254,7 @@ func Preprocess(thresholds []float64) func(context.Context, chan string, chan st
 			default:
 			}
 			logger.Println("Preprocessing", path)
-			done, err := preproc.PreProcMulti(path, thresholds, "binary", 0, true, 5, 30, 120, 30)
+			done, err := preproc.PreProcMulti(path, thresholds, "binary", 0, !nowipe, 5, 30, 120, 30)
 			if err != nil {
 				for range pre {
 				} // consume the rest of the receiving channel so it isn't blocked
@@ -822,7 +825,7 @@ func ProcessBook(ctx context.Context, msg bookpipeline.Qmsg, conn Pipeliner, pro
 		// complete, and will fill the ocrpage queue with parts which succeeded
 		// on each run, so in that case it's better to delete the message from
 		// the queue and notify us.
-		if fromQueue == conn.PreQueueId() || fromQueue == conn.WipeQueueId() {
+		if fromQueue == conn.PreQueueId() || fromQueue == conn.WipeQueueId() || fromQueue == conn.PreNoWipeQueueId() {
 			conn.Log("Deleting message from queue due to a bad error", fromQueue)
 			err2 := conn.DelFromQueue(fromQueue, msg.Handle)
 			if err2 != nil {
diff --git a/internal/pipeline/put.go b/internal/pipeline/put.go
index aba9e0e..47729b5 100644
--- a/internal/pipeline/put.go
+++ b/internal/pipeline/put.go
@@ -83,7 +83,10 @@ func CheckImages(ctx context.Context, dir string) error {
 
 // DetectQueueType detects which queue to use based on the preponderance
 // of files of a particular extension in a directory
-func DetectQueueType(dir string, conn Queuer) string {
+func DetectQueueType(dir string, conn Queuer, nowipe bool) string {
+	if nowipe {
+		return conn.PreNoWipeQueueId()
+	}
 	pngdirs, _ := filepath.Glob(dir + "/*.png")
 	jpgdirs, _ := filepath.Glob(dir + "/*.jpg")
 	pngcount := len(pngdirs)
-- 
cgit v1.2.1-24-ge1ad