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|
#!/bin/bash
# Creates a list from application/json files
# Kaotisk Hund 2024
#
# Convention:
# {
# "started_on":...,
# "duration":...,
# "list":[
# {
# "index":...,
# "hash":...,
# "duration":...,
# "starts_on":...
# },
# ...
# ]
# }
#
# Just for convenience, we will simply make up a list of files found in hashes
# we will be searching for files smaller than 4096 bytes. An extra check with
# `file` to find 'JSON text data'.
if [ -f "hashes/list" ]
then
echo 'ERROR: This script creates the first list only'
echo 'Use ./append_latest_list.sh instead'
exit 1
fi
json_file_list="$(mktemp)"
find hashes -type f -size -4096 | sort | while read filepath
do
file ${filepath} | grep 'JSON text data' > /dev/null 2>&1
if [ $? -eq 0 ]
then
if [ "$(cat ${filepath} | jq -r '.type')" != "show" ]
then
echo "Not a show: ${filepath}"
continue
fi
if [ "$(cat ${filepath} | jq -r '.duration')" == "null" ]
then
echo "No duration field: ${filepath}"
exit 1
fi
if [ ! $(cat ${filepath} | jq -r '.created_on') -gt 0 ]
then
echo "No created_on field: ${filepath}"
exit 1
fi
if [ ! $(cat ${filepath} | jq -r '.published_on') -gt 0 ]
then
echo "No published_on field: ${filepath}"
exit 1
fi
if [ ! -n "$(cat ${filepath} | jq -r '.hash')" ]
then
echo "No hash field: ${filepath}"
exit 1
fi
if [ ! -n "$(cat ${filepath} | jq -r '.filename')" ]
then
echo "No file_extension field: ${filepath}"
exit 1
fi
if [ ! -n "$(cat ${filepath} | jq -r '.file_extension')" ]
then
echo "No file_extension field: ${filepath}"
exit 1
fi
if [ ! -n "$(cat ${filepath} | jq -r '.mimetype')" ]
then
echo "No mimetype field: ${filepath}"
exit 1
fi
# Optional so we don't check for those
# cat ${filepath} | jq -r '.artist'
# cat ${filepath} | jq -r '.title'
echo ${filepath} >> ${json_file_list}
fi
done
cat ${json_file_list}
new_list_file="$(mktemp)"
index=0
starts_on=0
total_duration="$(mktemp)"
echo -n 0 > ${total_duration}
( echo '{'
echo '"type":"list",'
echo '"started_on":"'$(( $(date -u +%s) - 1800 ))000'",'
echo '"list":['
cat ${json_file_list} | while read cur_file
do
if [ -f "${cur_file}" ] && [ -n "${cur_file}" ]
then
echo '//'${cur_file}'//' >&2
cat ${cur_file} | jq >&2
if [ ${index} -gt 0 ]
then
echo ','
fi
echo '{'
echo '"index":"'${index}'",'
hash_string="$(cat ${cur_file} | jq -r '.hash')"
echo '"hash":"'$(basename ${cur_file})'",'
duration="$(cat ${cur_file} | jq -r '.duration')"
echo '"duration":"'${duration}'",'
echo '"starts_on":"'${starts_on}'"}'
starts_on=$(( ${duration} + ${starts_on} ))
index=$(( ${index} + 1 ))
echo -n $(( $(cat ${total_duration}) + ${duration} )) > ${total_duration}
fi
done
echo '],'
echo '"duration":"'$(cat ${total_duration})'"'
echo '}' ) | jq -c -M > ${new_list_file}
sha_live=$(sha512sum ${new_list_file}|cut -d ' ' -f 1)
cat ${new_list_file} | jq
echo '{"latest_list":"'${sha_live}'"}' > ./hashes/list
mv ${new_list_file} ./hashes/${sha_live}
#rm ${new_list_file}
rm ${json_file_list}
|
