Send ebook to Kindle using Calibre CLI tools

calibrecli.sh

#!/usr/bin/env bash
#
#/ This scrip will send selected ebook to device
#/ Go to ebook folder created by calibre and run this script
#/
#/ Usage:
#/   ./calibrecli.sh "<ebook_file>" "<device_path>"

set -e
set -u

usage() {
    printf "\n%b\n" "$(grep '^#/' "$0" | cut -c4-)" && exit 0
}

set_var() {
    expr "$*" : ".*--help" > /dev/null && usage

    if [[ -z "${1:-}" ]]; then
        echo "Missing input file!" && usage
    fi

    if [[ -z "${2:-}" ]]; then
        echo "Missing device path!" && usage
    fi

    _FILE="$1"
    _DEVICE="$2"
    _METAFILE="./metadata.opf"
    _METADATA="$_DEVICE/metadata.calibre"
    _THUMBNAIL="$_DEVICE/system/thumbnails"
    _DOCUMENT="$_DEVICE/documents"
    _COVER="./cover.jpg"
    _HXSELECT=$(command -v hxselect) || "'hxselect' command not found!"
    _CDB=$(command -v calibredb) || "'calibredb' command not found!"
    _JQ=$(command -v jq) || "'jq' command not found!"
    _CONVERT=$(command -v convert) || "'convert' command not found!"
}

generate_json() {
    uuid=$($_HXSELECT -c '#uuid_id' < "$_METAFILE")
    title=$(grep 'dc:title' "$_METAFILE" | sed -E 's/.*<dc:title>//;s/<.*//')
    author=$(grep 'dc:creator' "$_METAFILE" | sed -E 's/.*aut">//;s/<.*//')
    publisher=$(grep 'dc:publisher' "$_METAFILE" | sed -E 's/.*<dc:publisher>//;s/<.*//')
    date=$(grep 'dc:date' "$_METAFILE" | sed -E 's/.*<dc:date>//;s/<.*//')
    isbn=$(grep 'ISBN' "$_METAFILE" | sed -E 's/.*ISBN\">//;s/<.*//')
    appid=$($_CDB list -f uuid | grep "$uuid" | awk '{print $1}' | tail -1)
    size=$(wc -c "$_FILE" | awk '{print $1}')

    json='{
        "user_metadata": {},
        "uuid": "'$uuid'",
        "identifiers": {
            "isbn": "'$isbn'",
            "mobi-asin": "'$uuid'"
        },
        "mime": "application/x-mobi8-ebook",
        "author_sort": "'"$author"'",
        "languages": [],
        "rating": null,
        "pubdate": "'"$date"'",
        "tags": [],
        "rights": null,
        "comments": null,
        "user_categories": {},
        "book_producer": null,
        "lpath": "documents/'"$_FILE"'",
        "series_index": null,
        "db_id": null,
        "size": '"$size"',
        "author_link_map": {},
        "title_sort": null,
        "last_modified": "None",
        "authors": [
          "'"$author"'"
        ],
        "cover": null,
        "publication_type": null,
        "title": "'"$title"'",
        "author_sort_map": {},
        "series": null,
        "timestamp": "None",
        "application_id": '"$appid"',
        "publisher": "'"$publisher"'",
        "thumbnail": null
    }'
    echo "$json"
}

send_cover_to_device(){
    uuid=$(echo "$1" | tr '\r\n' ' ' | $_JQ -r '.uuid')
    $_CONVERT "$_COVER" -resize x500 "$_THUMBNAIL/thumbnail_${uuid}_EBOK_portrait.jpg"
}

edit_metadata() {
    sed -i '$ d' "$_METADATA"
    sed -i '$ d' "$_METADATA"
    echo "  }," >> "$_METADATA"
    echo "$1" >> "$_METADATA"
    echo "]" >> "$_METADATA"
}

copy_ebook_to_device() {
    cp "$_FILE" "$_DOCUMENT/"
}

main() {
    set_var "$@"
    local data
    data=$(generate_json)
    copy_ebook_to_device
    send_cover_to_device "$data"
    edit_metadata "$data"
}

if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
    main "$@"
fi