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cleanphotos() {
local basename
local photo
local sub
while IFS= read -r photo; do
basename=$(basename "$photo")
if [[ -f "$INCOMING_DIR/$basename" ]] \
&& is_supported_image_file "$basename"; then
continue
fi
log_info "Cleaning up $(_display_path "$photo")"
for sub in thumbs blurs photos; do
if [ -f "$DIST_DIR/$sub/$basename" ]; then
rm -f "$DIST_DIR/$sub/$basename"
log_info "removed '$(_display_path "$DIST_DIR/$sub/$basename")'"
fi
done
done < <(find "$DIST_DIR/photos" -maxdepth 1 -type f)
}
is_supported_image_file() {
local -r file="$1"; shift
local extension
if [[ "$file" != *.* ]]; then
return 1
fi
extension="${file##*.}"
extension="${extension,,}"
case "$extension" in
gif|jpeg|jpg|png|webp)
return 0
;;
*)
return 1
;;
esac
}
incoming_image_files() {
local file
# $FIND (compat.source.sh): -printf is a GNU-only action, so this must run
# against the resolved GNU find, not whatever "find" plain resolves to on
# macOS/FreeBSD. The trailing sort is POSIX-portable and left as-is.
while IFS= read -r file; do
if is_supported_image_file "$file"; then
printf '%s\n' "$file"
fi
done < <("$FIND" "$INCOMING_DIR" -maxdepth 1 -type f -printf '%f\n') \
| sort
}
# File counters for the source tree and the generated dist. Moved here from
# album-metadata.source.sh (task 6r0): counting incoming/generated files is part
# of this module's file-enumeration concern -- count_incoming_images is a direct
# wrapper of incoming_image_files above, and count_files/count_tree_files are the
# generic siblings the generation-metadata and dry-run modules use to tally the
# produced photos, thumbs and HTML pages. Behaviour and signatures are unchanged.
count_files() {
local -r dir="$1"; shift
local -r name="${1:-}"; shift || true
if [ ! -d "$dir" ]; then
printf '0\n'
return
fi
if [ -n "$name" ]; then
find "$dir" -maxdepth 1 -type f -name "$name" | wc -l
else
find "$dir" -maxdepth 1 -type f | wc -l
fi
}
count_incoming_images() {
incoming_image_files | wc -l
}
count_tree_files() {
local -r dir="$1"; shift
local -r name="$1"; shift
if [ ! -d "$dir" ]; then
printf '0\n'
return
fi
find "$dir" -type f -name "$name" | wc -l
}
warn_unsupported_incoming_files() {
local file
# $FIND (compat.source.sh): -printf is a GNU-only action.
while IFS= read -r file; do
if ! is_supported_image_file "$file"; then
log_warning "Ignoring unsupported incoming file: $file"
fi
done < <("$FIND" "$INCOMING_DIR" -maxdepth 1 -type f -printf '%f\n' | sort)
}
scalephotos() {
local photo
# Throttled background job pool (max IMAGE_JOBS concurrent), addressed by the
# single handle "image_jobs". job_pool_wait returns 1 if any job failed.
job_pool_init image_jobs
while IFS= read -r photo; do
job_pool_submit image_jobs "image job for photo $photo" \
scale_photo "$photo"
done < <(incoming_image_files)
job_pool_wait image_jobs
}
scale_photo() {
local -r photo="$1"; shift
local destphoto
local dirname
destphoto="$DIST_DIR/photos/$photo"
dirname=$(dirname "$destphoto")
mkdir -p "$dirname"
if [ -f "$destphoto" ]; then
log_verbose "Skipped existing photo $(_display_path "$destphoto")"
return
fi
log_info "Processing $photo to $(_display_path "$destphoto")"
if [ -n "$HEIGHT" ]; then
# Scale down size.
imagemagick \
"$INCOMING_DIR/$photo" \
-auto-orient \
-geometry "x${HEIGHT}>" \
"$destphoto"
else
# Keep original size.
imagemagick \
"$INCOMING_DIR/$photo" \
-auto-orient \
"$destphoto"
fi
}
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