cp_appro_to_loshrdf

#!/usr/bin/env bash
# SPDX-FileCopyrightText: 2022 Robin Vobruba <hoijui.quaero@gmail.com>
#
# SPDX-License-Identifier: AGPL-3.0-or-later

# See the output of "$0 -h" for details.

# Exit immediately on each error and unset variable;
# see: https://vaneyckt.io/posts/safer_bash_scripts_with_set_euxo_pipefail/
set -Eeuo pipefail
#set -Eeu

script_dir=$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")
script_name="$(basename "$0")"

APP_NAME="appro2loshrdf"
SRC_ROOT=target/okh_v2
DST_ROOT=target/losh-crawled/RDF
#DST_ROOT=target/losh-crawled/RDF/appropedia.org
SITE_APPROPEDIA="appropedia.org"
SITE_FIELD_READY="field-ready-projects.openknowhow.org"
SITE_GITLAB_COM="gitlab.com"
SITE_GITHUB="github.com"
SITES=(
	"$SITE_APPROPEDIA"
	"$SITE_FIELD_READY"
	"$SITE_GITLAB_COM"
	"$SITE_GITHUB"
)

clean=false
force=false

#gitlab_com____openflexure____openflexure-simple-illumination____-____raw____master____okh.toml
#gitlab_com____openflexure____openflexure-simple-illumination____-____raw____master____okh.ttl
#raw_githubusercontent_com____7B-Things____braille-signage-generator____main____okh.toml
#raw_githubusercontent_com____7B-Things____braille-signage-generator____main____okh.ttl
#field-ready-projects_openknowhow_org____manifests____okh-WA016.toml
#field-ready-projects_openknowhow_org____manifests____okh-WA016.ttl

function print_help() {

	echo -e ""
	echo -e "$APP_NAME - Copies appropedia.org fetcher content to the losh-rdf repo."
	echo -e ""
	echo -e "Usage:"
	echo -e "\t$script_name [OPTION...]"
	echo -e "Options:"
	echo -e "\t-c, --clean"
	echo -e "\t\tRemoves previously results of this conversion from the losh-rdf repo,"
	echo -e "\t\tif the repo is clean and synced ot the remote, or if --force was supplied"
	echo -e "\t-f, --force"
	echo -e "\t\tDANGER: This may delete important data! See --clean"
	echo -e "\t-h, --help"
	echo -e "\t\tPrint this usage help and exit"
	echo -e ""
}

function ensure_empty_dir() {

	local dir="$1"

	mkdir -p "$dir"
	if ! rmdir "$dir" 2> /dev/null
	then
		>&2 echo "Dir '$dir' is not empty. Please empty it before instructing this script to move sutff there."
		exit 1
	fi
	mkdir -p "$dir"
}

function file2site_and_name() {

	file_name="$(basename --suffix ".ttl" "$1")"

	case "$file_name" in
		www_appropedia_org____generateOpenKnowHowManifest_php_title_*)
			site="$SITE_APPROPEDIA"
			name="${file_name#www_appropedia_org____generateOpenKnowHowManifest_php_title_}"
			;;
		field-ready-projects_openknowhow_org____manifests____okh-*)
			site="$SITE_FIELD_READY"
			name="${file_name#field-ready-projects_openknowhow_org____manifests____okh-}"
			;;
		gitlab_com____*)
			site="$SITE_GITLAB_COM"
			name="${file_name#gitlab_com____}"
			name="${name%____-____raw____*}"
			;;
		raw_githubusercontent_com____*)
			site="$SITE_GITHUB"
			name="$(echo "$file_name" | sed -e 's|^raw_githubusercontent_com____\(.*\)____.\+____.\+$|\1|')"
			;;
		*)
			>&2 echo "ERROR: Unknown source site for: '$file_name'"
			exit 1
			;;
	esac

	printf "%s '%s'" "$site" "$name"
}

function convert_to_loshrdf() {

	for site in "${SITES[@]}"
	do
		dst_site="$DST_ROOT/$site"
		if ! $force
		then
			printf "" #ensure_empty_dir "$dst_site"
		fi
	done

	for src_ttl in "$SRC_ROOT"/*.ttl
	do
		site_and_name="$(file2site_and_name "$src_ttl")"
		site="${site_and_name% *}"
		name="${site_and_name#* \'}"
		name="${name%\'}"
		dst_site="$DST_ROOT/$site"

		src_toml="${src_ttl%ttl}toml"
		echo "Project ($site) '$name' ..."
		#continue

		dst_dir="$dst_site/$name"
		mkdir -p "$dst_dir"
		cp "$src_ttl" "$dst_dir/project.ttl"
		cp "$src_toml" "$dst_dir/project.toml"
	done
}

function clean_loshrdf() {

	>&2 echo "ERROR: Cleaning is not implemented yet. Please empty the following directories manually, after making sure the current content is backed-up/synced to the git remote."
	for site in "${SITES[@]}"
	do
		>&2 echo "$DST_ROOT/$site"
	done
	exit 1

	if ! $force
	then
		# TODO Use git-check-repo, but it needs fixing first .. might not b eviable.. missing git-stash check still, and maybe more.
		if ! $is_clean
		then
			>&2 echo "ERROR: You chose to play sounds, but the sound file '$SOUND_INCONSISTENCY' does not exist."
			exit 1
		fi
	fi

	for site in "${SITES[@]}"
	do
		dst_site="$DST_ROOT/$site"
		ensure_empty_dir "$dst_site"
	done

	for src_ttl in "$SRC_ROOT"/*.ttl
	do
		site_and_name="$(file2site_and_name "$src_ttl")"
		site="${site_and_name% *}"
		name="${site_and_name#* \'}"
		name="${name%\'}"
		dst_site="$DST_ROOT/$site"

		src_toml="${src_ttl%ttl}toml"
		echo "Project ($site) '$name' ..."
		continue

		dst_dir="$dst_site/$name"
		mkdir "$dst_dir"
		cp "$src_ttl" "$dst_dir/project.ttl"
		cp "$src_toml" "$dst_dir/project.toml"
	done
}

# Process command line arguments
while [[ $# -gt 0 ]]
do
	arg="$1"
	shift # $2 -> $1, $3 -> $2, ...

	case "$arg" in
		-c|--clean)
			clean=true
			;;
		-f|--force)
			force=true
			;;
		-h|--help)
			print_help
			exit 0
			;;
		*) # non-/unknown option
			>&2 echo "Unknown flag: '$arg'"
			exit 1
			;;
	esac
done

if $clean
then
	clean_loshrdf
else
	convert_to_loshrdf
fi