delete current image if upload is outdated

post_upload.sh

@@ -5,12 +5,18 @@ CURRENT_DIR="$BASE_DIR/current"
 
 mkdir -p "$CURRENT_DIR"
 
-# Store last SHA256 checksums for each camera
+# Store last SHA256 checksums and last update timestamps for each camera
 declare -A LAST_SHA
+declare -A LAST_UPDATE
+
+# How long to wait before deleting stale images (in seconds)
+STALE_TIMEOUT=$((15 * 60))
 
 echo "[Watcher] Starting to monitor subfolders in $BASE_DIR ..."
 
 while true; do
+    NOW=$(date +%s)
+
     for CAM_DIR in "$BASE_DIR"/msvcam*; do
         [ -d "$CAM_DIR" ] || continue
 
@@ -18,7 +24,9 @@ while true; do
         OUT_FILE="$CURRENT_DIR/${CAM_NAME}.avif"
 
         # Find the newest image
-        NEWEST_FILE=$(find "$CAM_DIR" -type f -iregex ".*\.\(jpg\|jpeg\|png\|bmp\|tif\|tiff\)" -printf "%T@ %p\n" | sort -n | tail -1 | awk '{print $2}')
+        NEWEST_FILE=$(find "$CAM_DIR" -type f \
+          \( -iname "*.jpg" -o -iname "*.jpeg" -o -iname "*.png" -o -iname "*.bmp" -o -iname "*.tif" -o -iname "*.tiff" \) \
+          -printf "%T@ %p\n" 2>/dev/null | sort -n | tail -1 | awk '{print $2}')
 
         if [ -n "$NEWEST_FILE" ]; then
             # Calculate SHA256 of the newest image
@@ -27,13 +35,33 @@ while true; do
             # Check if this file has already been converted
             if [ "${LAST_SHA[$CAM_NAME]}" != "$SHA" ]; then
                 echo "[Watcher] New or changed file detected for $CAM_NAME: $NEWEST_FILE"
-                avifenc "$NEWEST_FILE" "$OUT_FILE"
-		sync
-                LAST_SHA[$CAM_NAME]="$SHA"
+
+                if avifenc "$NEWEST_FILE" "$OUT_FILE"; then
+                    sync
+                    LAST_SHA[$CAM_NAME]="$SHA"
+                    LAST_UPDATE[$CAM_NAME]=$NOW
+                    echo "[Watcher] Conversion successful: $OUT_FILE"
+                else
+                    echo "[Watcher][ERROR] Conversion failed for $NEWEST_FILE"
+                fi
             else
                 echo "[Watcher] No change detected for $CAM_NAME, skipping conversion."
             fi
         fi
+
+        # Check for staleness
+        if [ -n "${LAST_UPDATE[$CAM_NAME]}" ]; then
+            ELAPSED=$((NOW - LAST_UPDATE[$CAM_NAME]))
+            if [ $ELAPSED -ge $STALE_TIMEOUT ]; then
+                if [ -f "$OUT_FILE" ]; then
+                    echo "[Watcher] No new image for $CAM_NAME in $((STALE_TIMEOUT/60)) minutes. Removing $OUT_FILE"
+                    rm -f "$OUT_FILE"
+                fi
+            fi
+        fi
     done
-    sleep 5
+
+    # Sleep before next check
+    SLEEP_INTERVAL="${SLEEP_INTERVAL:-5}"
+    sleep "$SLEEP_INTERVAL"
 done