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#!/usr/bin/env bash
###
### arching-kaos-tools
### Tools to interact and build an Arching Kaos Infochain
### Copyright (C) 2021 - 2025 kaotisk
###
### This program is free software: you can redistribute it and/or modify
### it under the terms of the GNU General Public License as published by
### the Free Software Foundation, either version 3 of the License, or
### (at your option) any later version.
###
### This program is distributed in the hope that it will be useful,
### but WITHOUT ANY WARRANTY; without even the implied warranty of
### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
### GNU General Public License for more details.
###
### You should have received a copy of the GNU General Public License
### along with this program. If not, see <http://www.gnu.org/licenses/>.
###
source $AK_LIBDIR/_ak_log
source $AK_LIBDIR/_ak_ipfs
source $AK_LIBDIR/_ak_gpg
source $AK_LIBDIR/_ak_zblock
# Should return current playlist, current mixtape and seek time on the mixtape
_ak_modules_mixtapes_find_now(){
current_timestamp="$(_ak_datetime_unix)"
mixtapes_ord=$AK_WORKDIR/mixtapes_ord
if [ ! -d $mixtapes_ord ]
then
mkdir -p $mixtapes_ord
fi
mixtapes_playlists=$AK_WORKDIR/mixtapes_playlists
if [ ! -d $mixtapes_playlists ]
then
mkdir -p $mixtapes_playlists
fi
# cat $AK_WORKDIR/mixtapes_index | while read TS ZB BL DB IF DUR
# do
# echo "$TS $ZB $DUR"
# done
counter=1
total_number_of_mixtapes="$(cat $AK_WORKDIR/mixtapes_index | wc -l)"
_ak_log_info "Mixtapes found: $total_number_of_mixtapes"
if [ $total_number_of_mixtapes -gt 1 ]
then
while [ $counter -le $total_number_of_mixtapes ]
do
# _ak_log_debug "Loop counter: $counter"
cat $AK_WORKDIR/mixtapes_index | head -n $counter | tail -n 1 | \
while read TS ZB BL DB IF DUR
do
echo "$TS $ZB $BL $DB $IF $DUR" > $mixtapes_ord/$counter
done
counter=$(($counter + 1))
done
elif [ $total_number_of_mixtapes -eq 1 ]
then
_ak_log_debug "Only 1 mixtape"
cat $AK_WORKDIR/mixtapes_index | while read TS ZB BL DB IF DUR
do
echo "$IF" > $mixtapes_playlists/1
seek=$(( ($(_ak_datetime_unix) - $TS) % $DUR ))
index=$counter
echo "$counter $index $seek"
exit 0
done
fi
# watch -n 1 '
# TS=$(cat mixtapes_index | cut -d\ -f 1,6 | head -n 1 | cut -d\ -f 1)
# DUR=$(cat mixtapes_index | cut -d\ -f 1,6 | head -n 1 | cut -d\ -f 2)
# echo $(( ($(_ak_datetime_unix) - $TS) / $DUR )) # Times played
# echo $(( ($(_ak_datetime_unix) - $TS) % $DUR )) # Seek time
# '
mixtapes_counter=1
playlists_counter=1
while [ $mixtapes_counter -le $total_number_of_mixtapes ]
do
_ak_log_debug "Counter: $mixtapes_counter"
# current_timestamp="$(_ak_datetime_unix)"
current_timestamp="$(cat $mixtapes_ord/$mixtapes_counter | cut -d ' ' -f 1)"
current_duration="$(cat $mixtapes_ord/$mixtapes_counter | cut -d ' ' -f 6)"
# diff_ts="$(( $current_timestamp - $timestamp ))"
# TPIU="$(( $diff_ts / $duration ))"
# _ak_log_debug "Times played if unique: $TPIU"
if [ $mixtapes_counter -eq 1 ] && [ $total_number_of_mixtapes -eq 1 ]
then
cat $mixtapes_ord/$mixtapes_counter > $mixtapes_playlists/$playlists_counter
# Return playlist number, mixtape number and seek time
time_difference=$(( $(_ak_datetime_unix) - $current_timestamp))
seek_time=$(( $time_difference % $current_duration ))
echo $playlists_counter $mixtapes_counter $seek_time
# For this particular instance we would loop for ever in the
# background and exit the script
mpv --start=$seek_time --loop=inf \
$(cat $mixtapes_playlists/$playlists_counter | \
head -n $mixtapes_counter | \
tail -n 1 | \
cut -d ' ' -f 5) &
exit
break
fi
if [ $mixtapes_counter -eq 1 ]
then
cat $mixtapes_ord/$mixtapes_counter > $mixtapes_playlists/$playlists_counter
elif [ $mixtapes_counter -ge 2 ]
then
previous_mixtapes_counter=$(($mixtapes_counter-1))
previous_timestamp=$(cat $mixtapes_ord/$previous_mixtapes_counter | cut -d ' ' -f 1)
previous_duration=$(cat $mixtapes_ord/$previous_mixtapes_counter | cut -d ' ' -f 6)
_ak_log_debug "czts: $current_timestamp, pzts: $previous_timestamp"
previous_diff_ts=$(($current_timestamp - $previous_timestamp))
times_played_since_previous=$(( $previous_diff_ts / $previous_duration ))
if [ $times_played_since_previous -gt 0 ]
then
# This means that by the time the current_zblock was added the
# previous one hadn't finished playing. We suppose that we would
# allow it to play in full, so we add "1"
times_would_be_played=$(($times_played_since_previous + 1))
# Playing X times would give us a new duration
total_duration=$(($times_would_be_played * $previous_duration))
# And we now figure out when the previous mix would stop playing
next_stop=$(($previous_timestamp + $total_duration))
_ak_log_debug "Next stop: $next_stop"
_ak_log_debug "Total duration: $total_duration"
_ak_log_debug "Times would be played: $times_would_be_played"
next_playlist=$(($playlists_counter + 1))
_ak_log_debug "Next playlist: $next_playlist"
if [ ! -f $mixtapes_playlists/$next_playlist ]
then
cat $mixtapes_playlists/$playlists_counter > $mixtapes_playlists/$next_playlist
fi
cat $mixtapes_ord/$mixtapes_counter >> $mixtapes_playlists/$next_playlist
playlists_counter=$next_playlist
_ak_log_debug "Now playlist counter is: $playlists_counter"
else
# But which playlist? When do we increase?
cat $mixtapes_ord/$mixtapes_counter >> $mixtapes_playlists/$playlists_counter
_ak_log_debug "Possibly append current one to the previous playlist!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
fi
seek_time_since_previous=$(( $previous_diff_ts % $previous_duration ))
_ak_log_debug "Time passed since previous upload:"
_ak_log_debug "$current_timestamp - $previous_timestamp = $previous_diff_ts"
_ak_log_debug "Times played since previous:"
_ak_log_debug "$previous_diff_ts / $previous_duration = $times_played_since_previous"
_ak_log_debug "Seek time since previous:"
_ak_log_debug "$previous_diff_ts % $previous_duration = $seek_time_since_previous"
elif [ $mixtapes_counter -eq $total_number_of_mixtapes ]
then
echo $(( ($(_ak_datetime_unix) - $current_timestamp) % $current_duration )) # Seek time
fi
mixtapes_counter=$(($mixtapes_counter + 1))
done
}
_ak_modules_mixtapes_specs(){
datetime_mask=$(printf '^[0-9]\{8\}_[0-9]\{6\}$' | xxd -p)
ipfs_mask=$(printf '^Qm[a-zA-Z0-9]\{44\}$' | xxd -p)
text_dash_underscore_space_mask=$(printf '^[a-zA-Z0-9][a-zA-Z0-9[:space:]\_]\{1,128\}$' | xxd -p -c 64)
echo '
{
"datetime": "'$datetime_mask'",
"artist": "'$text_dash_underscore_space_mask'",
"title": "'$text_dash_underscore_space_mask'",
"ipfs": "'$ipfs_mask'",
"detach": "'$ipfs_mask'"
}' | jq
}
_ak_modules_mixtapes_add(){
if [ ! -z $3 ];
then
echo $1
PWD="$(pwd)"
MIXTAPE_ARTIST="$1"
MIXTAPE_TITLE="$2"
MIXTAPE_FILE="$PWD/$3"
_ak_modules_mixtapes_main $1
cat $PWD/data | jq -M
_ak_zblock_pack mixtape/add $PWD/data
fi
}
_ak_modules_mixtapes_main(){
echo $MIXTAPE_FILE "by" $MIXTAPE_ARTIST "named as" $MIXTAPE_TITLE
MIXTAPE_IPFS_HASH=$(_ak_ipfs_add $MIXTAPE_FILE)
MIXTAPE_SIGN_FILE=$MIXTAPE_FILE".asc"
_ak_gpg_sign_detached $MIXTAPE_SIGN_FILE $MIXTAPE_FILE
MIXTAPE_SIGNATURE=$(_ak_ipfs_add $MIXTAPE_SIGN_FILE)
cat > data <<EOF
{
"timestamp":"$(_ak_datetime_unix)",
"artist":"$MIXTAPE_ARTIST",
"title":"$MIXTAPE_TITLE",
"ipfs":"$MIXTAPE_IPFS_HASH",
"detach":"$MIXTAPE_SIGNATURE"
}
EOF
}
_ak_modules_mixtapes_get_local_latest(){
tempdir=$(_ak_make_temp_directory)
cd $tempdir
if [ -z "$1" ]
then
_ak_zchain_crawl -l 1 | jq > aktempzblock
else
_ak_zchain_crawl -l 1 $1 | jq > aktempzblock
fi
curzblock="`cat aktempzblock | jq -r '.[].zblock'`"
curaction="`cat aktempzblock | jq -r '.[].action'`"
curmodule="`cat aktempzblock | jq -r '.[].module'`"
curdata="`cat aktempzblock | jq -r '.[].data'`"
curipfs="$(cat aktempzblock | jq -r ".[].$curdata" | jq -r ".ipfs")"
curprevious="`cat aktempzblock | jq -r '.[].previous'`"
if [ "$curmodule" == "mixtape" ] && [ "$curaction" == "add" ]
then
artist="$(cat aktempzblock | jq -r ".[].$curdata" | jq -r ".artist")"
title="$(cat aktempzblock | jq -r ".[].$curdata" | jq -r ".title")"
echo "Found zblock: $curzblock"
echo "$title by $artist"
_ak_ipfs_get $curipfs
mpv $curipfs
else
seek $curprevious
fi
rm -rf $tempdir
exit 0
}
|
