all-in-one backend using docker

post_upload.sh

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+#!/bin/bash
+
+BASE_DIR="/files"
+CURRENT_DIR="$BASE_DIR/current"
+
+mkdir -p "$CURRENT_DIR"
+
+# Store last SHA256 checksums for each camera
+declare -A LAST_SHA
+
+echo "[Watcher] Starting to monitor subfolders in $BASE_DIR ..."
+
+while true; do
+    for CAM_DIR in "$BASE_DIR"/msvcam*; do
+        [ -d "$CAM_DIR" ] || continue
+
+        CAM_NAME=$(basename "$CAM_DIR")
+        OUT_FILE="$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 $2}')
+
+        if [ -n "$NEWEST_FILE" ]; then
+            # Calculate SHA256 of the newest image
+            SHA=$(sha256sum "$NEWEST_FILE" | awk '{print $1}')
+
+            # Check if this file has already been converted
+            if [ "${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"
+            else
+                echo "[Watcher] No change detected for $CAM_NAME, skipping conversion."
+            fi
+        fi
+    done
+    sleep 5
+done