photos: Add bambulab timelapse fetcher

roles/photos/templates/bambulab-fetch.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+
+# {{ ansible_managed }}
+
+set -eu
+
+host={{ bambulab_host }}
+pass={{ bambulab_key }}
+dir={{ photos_path }}
+
+files=$(curl -ksl "ftps://bblp:$pass@$host:990/timelapse/" | grep ^video_)
+
+for file in $files; do
+    # $file is formatted like 'video_2024-06-27_22-50-12.mp4'
+    echo $file
+
+    day=$(echo $file | sed -nr 's/^video_([0-9]+)-([0-9]+)-([0-9]+)_.*/\1\2\3/p')
+    time=$(echo $file | sed -nr 's/^video_[^_]+_([^\.]+)\.mp4/\1/p')
+    ofile="$dir/$day/bambu_timelapse_$time.mp4"
+    echo $ofile
+
+    if [ ! -e "$ofile" ]; then
+        mkdir -p "$(dirname $ofile)"
+        curl -ks "ftps://bblp:$pass@$host:990/timelapse/$file" -o "$ofile"
+    fi
+done