twitch_clips

#!/usr/bin/env zsh
set -e

# private user stuff:
read -r oauth < ~/.twitch_oauth

# public api stuff:
api='https://gql.twitch.tv/gql'
ChannelFollowsHash='fd9d5312a69d3c50cd2a8d6a1caadc824df410c249b78d330d7f469d22151933'
ClipsCardsUserHash='b73ad2bfaecfd30a9e6c28fada15bd97032c83ec77a0440766a56fe0bd632777'

# doing the dirty work:
json2() {
    python3 ~/src/json2/json2 "$@"
}

# a simple interface:
mode=${1:?no timeframe specified}
shift
if [ "$mode" = "day" ]; then
    period="LAST_DAY"
    clip_limit=3
    ntop=12
elif [ "$mode" = "week" ]; then
    period="LAST_WEEK"
    clip_limit=3
    ntop=18
elif [ "$mode" = "month" ]; then
    period="LAST_MONTH"
    clip_limit=5
    ntop=90
else
    echo "invalid timeframe specified" >&2
    exit 1
fi

who_i_follow_raw() {
    limit=100
    if [ "${1:-}" != "" ]; then
        cursor="$1"
        variables='{"cursor":"'"$cursor"'","limit":'"$limit"',"order":"DESC"}'
    else
        variables='{"limit":'"$limit"',"order":"DESC"}'
    fi
    curl -sS 'https://gql.twitch.tv/gql' \
      -H "Authorization: OAuth $oauth" \
      --data-binary '[{"operationName":"ChannelFollows","variables":'"$variables"',"extensions":{"persistedQuery":{"version":1,"sha256Hash":"'"$ChannelFollowsHash"'"}}}]'
}

process_follows() {
    # formely used displayName but now uses login to support non-ascii names.
    json2 \
    | tr '\r' '\n' \
    | sort -u \
    | grep -P '^/0/data/user/follows/edges/\d+/(node/login|cursor)=.*$' \
    | cut -d'=' -f 2 \
    | paste -d" " - -
}

who_i_follow() {
    local last_cursor= current_cursor=
    for i in {1..100}; do
        current_cursor="$last_cursor"
        last_cursor=
        who_i_follow_raw "$current_cursor" \
        | process_follows \
        | while read -r cursor name; do
            echo "$name"
            last_cursor="$cursor"
        done

        [ -n "$last_cursor" ] || break
        last_cursor="${last_cursor:1}"  # strip the leading double-quote
    done
}

user_clips_raw() {
    user="${1:?please specify a username}"
    limit="$clip_limit"
    # filter can be one of: LAST_DAY LAST_WEEK LAST_MONTH ALL_TIME
    curl -sS 'https://gql.twitch.tv/gql' \
      -H "Authorization: OAuth $oauth" \
      --data-binary '[{"operationName":"ClipsCards__User","variables":{"login":"'"$user"'","limit":'"$limit"',"criteria":{"filter":"'"$period"'"}},"extensions":{"persistedQuery":{"version":1,"sha256Hash":"'"$ClipsCardsUserHash"'"}}}]'
}

process_clips() {
    json2 \
    | awk -F'=' '
    $1~/\/slug$/{name=$2}
    $1~/\/viewCount$/{printf "%s\thttps://clips.twitch.tv/%s\n",$2,name}
    '
}

user_clips() {
    user="${1:?please specify a username}"
    user_clips_raw "$user" \
    | process_clips
}

(
    who_i_follow \
    | while read -r user; do
        user_clips "$user"
    done
) \
| sort -n