fetch mixcloud mixes to mp3 and tag

mixcloud.sh

#!/usr/bin/env bash
set -euo pipefail

# shellcheck disable=SC2120
h () {
    # if arguments, print them
    [ $# == 0 ] || echo "$*"

  cat <<EOF
Usage: $(basename "${BASH_SOURCE[0]}") [OPTION]... <album> <mixcloud url>
  download a mix from mixcloud and try to tag properly
  album
Available options:
  -h, --help       display this help and exit
EOF

    # if args, exit 1 else exit 0
    [ $# == 0 ] || exit 1
    exit 0
}
msg() {
    echo >&2 -e "${*-}"
}

die() {
    local msg=$1
    local code=${2-1} # default exit status 1
    msg "$msg"
    exit "$code"
}

# getopt short options go together, long options have commas
TEMP=$(getopt -o h --long help -n "$0" -- "$@")
#shellcheck disable=SC2181
if [ $? != 0 ] ; then
    die "something wrong with getopt"
fi
eval set -- "$TEMP"

while true ; do
    case "$1" in
        -h|--help) h ;;
        --) shift ; break ;;
        *) die "issue parsing args, unexpected argument '$1'!" ;;
    esac
done
album=${1:-}
if [ -z "$album" ]; then
    h "need to pass in album"
fi
url=${2:-}
if [ -z "$url" ]; then
    h "need to pass in target url"
fi

#url looks like https://www.mixcloud.com/Ishkur/the-ultimate-hi-nrg-mix/
if [[ "$url" =~ https:\/\/www.mixcloud.com\/([^\/]*)\/([^\/]*)\/?$ ]]; then
    username="${BASH_REMATCH[1]}"
    slug="${BASH_REMATCH[2]}"
else
    help "can't match url, either use better input or fix mathcing logic in script"
fi

msg "fetching $username's $slug, putting in album $album"


doGraphQL() {
    username=$1
    slug=$2
    query=$3
    headers=(
        -H 'User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:133.0) Gecko/20100101 Firefox/133.0'
        -H 'Content-Type: application/json'
        -H 'Cookie: mx_t=c5cbc44f_b2dd_4e29_afba_a2c9d9d6ed03; csrftoken=4VDmUTpAWggOM3xzMG8Ltx32glJE9kSg; ch=AhcwEy6RKoCd9Dg0Q4PUUj28STBYGAMBmW1E6jFLDMk; c="gAAAAABnVAZ6gC4sfT1vgYcsVh7JAZEsABUXW7TaOv4SlbZXPdyyZmBYriuDBcxCl_EvUUu_0bOc8KySKG5GNqmtUCwo-jq2Ycw3x7fGseN2_wb7GW5QB0VLhqPAdQMcEAOH8cJ1xXLFYVEz8u248zZKKV3F6NmqABHx5eJKFrUTJyKYVCYMn_k="'
    )
    curl -s 'https://app.mixcloud.com/graphql' \
        -X POST \
        "${headers[@]}" \
        --data-raw "$( jq -cn \
                    --arg slug "$slug" \
                    --arg username "$username" \
                    --arg query "$query" \
                    '{id: "something", query: $query, variables: { lookup: { username: $username, slug: $slug}}}' )"
}

fetchSongList() {
    username=$1
    slug=$2
    #shellcheck disable=SC2016
    doGraphQL "$username" "$slug" \
'query TracklistAudioPageQuery(
  $lookup: CloudcastLookup!
) {
  cloudcast: cloudcastLookup(lookup: $lookup) {
    canShowTracklist
    featuringArtistList
    moreFeaturingArtists
    sections {
      __typename
      ... on TrackSection {
        __typename
        artistName
        songName
      }
      ... on ChapterSection {
        chapter
      }
      ... on Node {
        __isNode: __typename
        id
      }
    }
    id
  }
}' \
        | jq '[.data.cloudcast.sections[] | select(.artistName != null) | {artist: .artistName, song: .songName}]'
}


fetchDescriptionAndPicture() {
    username=$1
    slug=$2
    #shellcheck disable=SC2016
    doGraphQL "$username" "$slug" \
'query cloudcastQuery(
  $lookup: CloudcastLookup!
) {
  cloudcast: cloudcastLookup(lookup: $lookup) {
    tags {
      tag {
        slug
      }
    }
    name
    description
    publishDate
    picture {
      urlRoot
    }
  }
}
' \
 | jq '.data.cloudcast | {tags: [.tags[] | .tag.slug], publishDate: .publishDate, name: .name, description: .description, picture: "https://thumbnailer.mixcloud.com/unsafe/666x666/\(.picture.urlRoot)"}'
}

songList=$(fetchSongList "$username" "$slug" | tee /tmp/songList)
meta=$(fetchDescriptionAndPicture "$username" "$slug" | tee /tmp/meta)
#songList=$(cat /tmp/songList)
#meta=$(cat /tmp/meta)

description="$(echo "$meta" | jq -r '.description')"

if [[ "$(echo "$songList" | jq 'length')" -gt 0 ]]; then
    description+="

Incomplete Song List:
$(echo "$songList" | jq -r '.[] | "\(.artist) - \(.song)"')"
fi
title="$(echo "$meta" | jq -r '.name')"
image=$title.jpg
songFile="$title.mp3"

if [[ ! -f "$image" ]]; then
    curl -s "$(echo "$meta" | jq -r '.picture')" > "$image"
fi

eyeD3Args=(
    --to-v2.4
    --remove-all
    --artist="$(echo "$songList" | jq --arg artist "$username" -r '[{artist: $artist}] + . | [.[] | .artist] | join(", ")')"
    --album-artist="$username"
    --album="$album"
    --title="$title"
    --comment="$description"
    --recording-date="$(date -d "$(echo "$meta" | jq -r '.publishDate')" +"%Y-%m-%d")"
    --genre="$(echo "$meta" | jq -r '.tags | join("/")')"
    --add-image="$image:OTHER:from mixcloud"
)

if [[ ! -f "$songFile" ]]; then
    yt-dlp -x --audio-format mp3 --audio-quality 0 -o "$title.%(ext)s" "$url"
fi

eyeD3 "${eyeD3Args[@]}" "$songFile"