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#!/usr/bin/env bash
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# vim:ts=4:sts=4:sw=4:et
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# args: Dance∕Pop∕House∕Trance∕DnB∕Electronica∕Gym spotify:track:5Vy3sdJZJ6AnDChSfNtKs8
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#
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# Author: Hari Sekhon
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# Date: 2020-11-19 21:23:19 +0000 (Thu, 19 Nov 2020)
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#
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# https://github.com/HariSekhon/DevOps-Bash-tools
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#
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# License: see accompanying Hari Sekhon LICENSE file
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#
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# If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
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#
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# https://www.linkedin.com/in/HariSekhon
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#
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set -euo pipefail
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[ -n "${DEBUG:-}" ] && set -x
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srcdir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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# shellcheck disable=SC1090
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. "$srcdir/lib/spotify.sh"
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# shellcheck disable=SC2034,SC2154
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usage_description="
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Prints the offset of a given spotify track URI in a given playlist
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Useful to find the offset to use to continue processing a large partially processed playlist because Spotify API tokens are only valid for 1 hour and some playlists with several thousand tracks take longer than that to process eg. spotify_playlist_tracks_uri_in_year.sh)
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Playlist can be given as a name or id
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URI must be in the form of spotify:track:uri as this is the native format in the playlist we are looking for
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$usage_playlist_help
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$usage_auth_help
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"
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# used by usage() in lib/utils.sh
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# shellcheck disable=SC2034
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usage_args="<playlist> <spotify:track:uri> [<curl_options>]"
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help_usage "$@"
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min_args 2 "$@"
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playlist="$1"
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uri="$2"
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shift || :
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shift || :
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if is_blank "$playlist"; then
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usage "playlist not defined"
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fi
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if is_blank "$uri"; then
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usage "URI not defined"
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fi
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# discard the id returned
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validate_spotify_uri "$uri" >/dev/null
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if ! [[ "$uri" =~ ^spotify:track:[[:alnum:]]+$ ]]; then
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usage "URI must be in spotify:track:xxxxx... format"
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fi
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playlist_id="$("$srcdir/spotify_playlist_name_to_id.sh" "$playlist" "$@")"
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# defined in lib/spotify.sh
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# shellcheck disable=SC2154
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url_path="/v1/playlists/$playlist_id/tracks?limit=100&offset=$offset"
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output(){
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jq -r '.items[] | select(.track.uri) | .track.uri' <<< "$output"
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}
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while not_null "$url_path"; do
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output="$("$srcdir/spotify_api.sh" "$url_path" "$@")"
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#die_if_error_field "$output"
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jq -r '.items[].track.uri' <<< "$output" |
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while read -r this_uri; do
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if [ "$this_uri" = "$uri" ]; then
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echo "$offset"
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exit 0
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fi
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((offset += 1))
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done
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url_path="$(get_next "$output")"
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done
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exit 1
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