diff options
Diffstat (limited to 'bin')
| -rwxr-xr-x | bin/photoalbum | 420 |
1 files changed, 420 insertions, 0 deletions
diff --git a/bin/photoalbum b/bin/photoalbum new file mode 100755 index 0000000..540ea46 --- /dev/null +++ b/bin/photoalbum @@ -0,0 +1,420 @@ +#!/usr/bin/env bash +set -euo pipefail + +# photoalbum (c) 2011 - 2014, 2022 by Paul Buetow +# https://codeberg.org/snonux/photoalbum + +declare -r VERSION='0.6.0' +declare -r DEFAULTRC='/etc/default/photoalbum' + +usage() { + cat - <<USAGE >&2 + Usage: + $0 clean|generate|version|makemake [rcfile] +USAGE +} + +makemake() { + [ ! -f ./photoalbumrc ] && cp "$DEFAULTRC" ./photoalbumrc + cat <<MAKEFILE > ./Makefile +all: + photoalbum generate photoalbumrc +clean: + photoalbum clean photoalbumrc +MAKEFILE + echo 'You may now customize ./photoalbumrc and run make' +} + +imagemagick() { + if command -v magick >/dev/null 2>&1; then + magick "$@" + elif command -v convert >/dev/null 2>&1; then + convert "$@" + else + echo 'ERROR: ImageMagick is required; install magick or convert' >&2 + return 127 + fi +} + +tarball() { + local -r tarball_name="$1"; shift + local -r tar_opts="${TAR_OPTS:--c}" + local base + + # Cleanup tarball from prev run if any + find "$DIST_DIR" -maxdepth 1 -type f -name '*.tar' -delete + base=$(basename "$INCOMING_DIR") + + echo "Creating tarball $DIST_DIR/$tarball_name from $INCOMING_DIR" + ( + cd "$(dirname "$INCOMING_DIR")" + tar "$tar_opts" -f "$DIST_DIR/$tarball_name" "$base" + ) +} + +template() { + local -r template_name="$1"; shift + local -r html="$1"; shift + local -r dist_html="$DIST_DIR/$html_dir" + + echo "Generating $dist_html/$html" + + mkdir -p "$dist_html" + source "$TEMPLATE_DIR/$template_name.tmpl" >> "$dist_html/$html" +} + +cleanphotos() { + local basename + local photo + local sub + + while IFS= read -r photo; do + basename=$(basename "$photo") + + if [ -f "$INCOMING_DIR/$basename" ]; then + continue + fi + + echo "Cleaning up $photo" + for sub in thumbs blurs photos; do + if [ -f "$DIST_DIR/$sub/$basename" ]; then + rm -v "$DIST_DIR/$sub/$basename" + fi + done + done < <(find "$DIST_DIR/photos" -maxdepth 1 -type f) +} + +scalephotos() { + local destphoto + local destphoto_nospace + local dirname + local photo + + while IFS= read -r photo; do + destphoto="$DIST_DIR/photos/$photo" + destphoto_nospace="${destphoto// /_}" + dirname=$(dirname "$destphoto") + mkdir -p "$dirname" + + if [ -f "$destphoto_nospace" ]; then + echo "Already exists: $destphoto_nospace" + continue + fi + + echo "Processing $photo to $destphoto_nospace" + if [ -n "${HEIGHT:-}" ]; then + # Scale down size. + imagemagick \ + "$INCOMING_DIR/$photo" \ + -auto-orient \ + -geometry "$HEIGHT" \ + "$destphoto_nospace" + else + # Keep original size. + imagemagick \ + "$INCOMING_DIR/$photo" \ + -auto-orient \ + "$destphoto_nospace" + fi + done < <( + find "$INCOMING_DIR" -maxdepth 1 -type f -printf '%f\n' \ + | sort + ) +} + +random_animation_css_class() { + local -r speed="$1"; shift + local -a classes=( + "animate-opacity-$speed" + "animate-top-$speed" + "animate-left-$speed" + "animate-right-$speed" + "animate-bottom-$speed" + "animate-zoom-$speed" + "animate-snap-rotate-$speed" + "animate-hard-zoom-$speed" + "animate-slam-left-$speed" + "animate-slam-right-$speed" + "animate-flash-in-$speed" + "animate-invert-pop-$speed" + "animate-posterize-pop-$speed" + "animate-skew-snap-$speed" + "animate-glitch-step-$speed" + ) + + printf '%s\n' "${classes[@]}" | sort -R | sed -n '1p' +} + +maybe_shuffle() { + if [ "${SHUFFLE:-no}" = yes ]; then + sort -R + else + sort + fi +} + +newest_html() { + local -r pattern="$1"; shift + + find "$DIST_DIR/$html_dir" \ + -maxdepth 1 \ + -name "$pattern" \ + -printf '%T@ %f\n' \ + | sort -nr \ + | sed -n '1{s/^[^ ]* //;p}' +} + +albumhtml() { + local -r photos_dir="$1"; shift + local -r html_dir="$1"; shift + local -r thumbs_dir="$1"; shift + local -r blurs_dir="$1"; shift + local -r backhref="$1"; shift + + local animation_class + local background_image + local dirname + local height + local lastview + local name + local next + local nextredirect + local page + local photo + local prev + local prefix + local prevredirect + local redirect_page + local show_header_bar + local -i i=0 + local -i num=1 + + export backhref + name="page-$num" + + # Random background image for preview page. + background_image=$(randomphoto "$photos_dir") + show_header_bar='yes' + export background_image show_header_bar + template 'header' "$name.html" + + while IFS= read -r photo; do + (( ++i )) + + if (( i > MAXPREVIEWS )); then + i=1 + (( ++num )) + next="page-$num" + prev="${prev:-}" + export next prev + template next "$name.html" + template footer "$name.html" + + prev="$name" + name="$next" + + background_image=$(randomphoto "$photos_dir") + show_header_bar='no' + export background_image prev show_header_bar + template header "$name.html" + template prev "$name.html" + fi + + # Preview page. + animation_class=$(random_animation_css_class slow) + export animation_class + template preview "$name.html" + + # View page. + background_image="$photo" + show_header_bar='no' + export background_image show_header_bar + template header "$num-$i.html" + + animation_class=$(random_animation_css_class fast) + export animation_class + template view "$num-$i.html" + template footer "$num-$i.html" + + if [[ -f "$DIST_DIR/$thumbs_dir/$photo" \ + && -f "$DIST_DIR/$blurs_dir/$photo" ]]; then + echo "Already exists: $DIST_DIR/$thumbs_dir/$photo and" \ + "$DIST_DIR/$blurs_dir/$photo" + else + dirname="$DIST_DIR/$thumbs_dir" + mkdir -p "$dirname" + echo "Creating thumb $DIST_DIR/$thumbs_dir/$photo" + # Double the height, as CSS scales images based on boxing too. + height=$(( THUMBHEIGHT * 2 )) + imagemagick \ + "$DIST_DIR/$photos_dir/$photo" \ + -geometry "x$height" \ + "$DIST_DIR/$thumbs_dir/$photo" + + dirname="$DIST_DIR/$blurs_dir" + mkdir -p "$dirname" + echo "Creating blur $DIST_DIR/$blurs_dir/$photo" + imagemagick \ + "$DIST_DIR/$thumbs_dir/$photo" \ + -flip \ + -blur 0x8 \ + "$DIST_DIR/$blurs_dir/$photo" + fi + done < <( + find "$DIST_DIR/$photos_dir" -maxdepth 1 -type f -printf '%f\n' \ + | maybe_shuffle + ) + + template footer "$(newest_html 'page-*.html')" + + while IFS= read -r prefix; do + page=$(newest_html "$prefix-*.html" | sed 's#\(.*\)-.*.html#\1#') + lastview=$(newest_html "$prefix-*.html" | sed 's/.*-\(.*\).html/\1/') + + prevredirect="${page}-0" + nextredirect="${page}-$(( lastview + 1 ))" + + redirect_page="$(( page - 1 ))-${MAXPREVIEWS}" + export redirect_page + template redirect "$prevredirect.html" + + if (( lastview == MAXPREVIEWS )); then + redirect_page="$(( page + 1 ))-1" + else + redirect_page="${page}-$lastview" + export redirect_page + template redirect "0-$MAXPREVIEWS.html" + redirect_page='1-1' + fi + + export redirect_page + template redirect "$nextredirect.html" + done < <( + find "$DIST_DIR/$html_dir" \ + -maxdepth 1 \ + -name '*.html' \ + ! -name 'page-*' \ + -printf '%f\n' \ + | cut -d'-' -f1 \ + | sort -u + ) + + # Create per album index/redirect page. + redirect_page='page-1' + export redirect_page + template 'redirect' 'index.html' +} + +randomphoto() { + local -r photos_dir="$1"; shift + local photo + local -a photos=() + + while IFS= read -r photo; do + photos+=("$photo") + done < <( + find "$DIST_DIR/$photos_dir" -maxdepth 1 -type f -printf '%f\n' \ + | sort + ) + + if (( ${#photos[@]} == 0 )); then + echo "ERROR: No photos found in $DIST_DIR/$photos_dir" >&2 + return 1 + fi + + printf '%s\n' "${photos[RANDOM % ${#photos[@]}]}" +} + +generate() { + local base + local html_dir + local now + local redirect_page + local tarball_name='' + + if [ ! -d "$INCOMING_DIR" ]; then + echo "ERROR: You have to create $INCOMING_DIR first" >&2 + exit 1 + fi + + if [ "${TARBALL_INCLUDE:-no}" = yes ]; then + base=$(basename "$INCOMING_DIR") + now=$(date +'%Y-%m-%d-%H%M%S') + tarball_name="${base}-${now}${TARBALL_SUFFIX:-.tar}" + fi + + mkdir -p "$DIST_DIR/photos" + cleanphotos + scalephotos + + find "$DIST_DIR" -type f -name '*.html' -delete + albumhtml 'photos' 'html' 'thumbs' 'blurs' '..' + + # Create top level index/redirect page. + html_dir='./' + redirect_page='./html/index' + export redirect_page + template 'redirect' 'index.html' + + if [ "${TARBALL_INCLUDE:-no}" = yes ]; then + tarball "$tarball_name" + fi +} + +resolve_rc_file() { + local rc_file="${1:-}" + + if [ -n "$rc_file" ]; then + printf '%s\n' "$rc_file" + elif [ -f photoalbumrc ]; then + printf '%s\n' photoalbumrc + elif [ -f ~/.photoalbumrc ]; then + printf '%s\n' ~/.photoalbumrc + else + printf '%s\n' "$DEFAULTRC" + fi +} + +apply_config_defaults() { + HEIGHT="${HEIGHT:-}" + ORIGINAL_BASEPATH="${ORIGINAL_BASEPATH:-}" + SHUFFLE="${SHUFFLE:-no}" + TARBALL_INCLUDE="${TARBALL_INCLUDE:-no}" + TARBALL_SUFFIX="${TARBALL_SUFFIX:-.tar}" + TAR_OPTS="${TAR_OPTS:--c}" +} + +main() { + local -r arg1="${1:-}" + local -r rc_file="$(resolve_rc_file "${2:-}")" + + if [ ! -f "$rc_file" ]; then + echo "Error: Can not find config file $rc_file" >&2 + exit 1 + fi + + source "$rc_file" + apply_config_defaults + + case "$arg1" in + clean) + if [ -d "$DIST_DIR" ]; then + rm -rf "$DIST_DIR" + fi + ;; + generate) + generate + ;; + version) + echo "This is Photoalbum Version $VERSION" + ;; + makemake) + makemake + ;; + *) + usage + ;; + esac +} + +main "$@" |