From 37eb68304477c2e2469b6d48de1ca340e56669a3 Mon Sep 17 00:00:00 2001
From: kaotisk <kaotisk@arching-kaos.org>
Date: Sat, 9 Nov 2024 02:56:08 +0200
Subject: Updates

- Image creation based on show's hash
- Some style improvements
- Previous list now shows the artist and title information instead of JSON
- Script for appending an already existing playlist with a show
---
 append_latest_list.sh | 92 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100755 append_latest_list.sh

(limited to 'append_latest_list.sh')

diff --git a/append_latest_list.sh b/append_latest_list.sh
new file mode 100755
index 0000000..3b66d93
--- /dev/null
+++ b/append_latest_list.sh
@@ -0,0 +1,92 @@
+#!/bin/bash
+
+if [ ! -f hashes/list ]
+then
+    echo 'No list to append, use ./create_list.sh instead'
+    exit 1
+fi
+
+function get_latest_list(){
+    cat ./hashes/list | jq -r '.latest_list'
+}
+
+latest_list="$(get_latest_list)"
+
+echo "Latest list's hash: ${latest_list}"
+latest_show_object="$(cat hashes/${latest_list} | jq -r '.list' | jq '.[-1:]')"
+latest_index_number="$(echo ${latest_show_object} | jq -r '.[].index')"
+latest_starts_on="$(echo ${latest_show_object} | jq -r '.[].starts_on')"
+latest_duration="$(echo ${latest_show_object} | jq -r '.[].duration')"
+list_started_on="$(cat hashes/${latest_list} | jq -r '.started_on')"
+list_duration="$(cat hashes/${latest_list} | jq -r '.duration')"
+already_in_list="$(mktemp)"
+time_now="$(date -u +%s)000"
+new_list_file="$(mktemp)"
+new_list_started_on="$(($(($(($((${time_now} - ${list_started_on}))/${list_duration}))*${list_duration}))+${list_started_on}))"
+new_shows="$(mktemp)"
+
+cat hashes/${latest_list} | jq -r '.list.[].hash' > ${already_in_list}
+
+find hashes -type f -size -4096 | sort | while read filepath
+do
+    if [ "${filepath}" == "hashes/list" ]
+    then
+        continue
+    fi
+    cat "${filepath}" | jq > /dev/null 2>&1
+    if [ $? -ne 0 ]
+    then
+        continue
+    fi
+    if [ "$(cat "${filepath}" | jq -r '.type')" == "show" ]
+    then
+        grep $(basename ${filepath}) ${already_in_list} > /dev/null
+        if [ $? -ne 0 ]
+        then
+            echo "New show found: ${filepath}"
+            echo "${filepath}" >> ${new_shows}
+        fi
+    fi
+done
+function make_new_list(){
+    new_show_found="$(cat ${new_shows})"
+    new_show_hash="$(basename ${new_show_found})"
+    new_show_starts_on="$((${latest_duration}+${latest_starts_on}))"
+    new_show_duration="$(cat ${new_show_found}| jq -r '.duration')"
+    (
+        echo -n '{'
+        echo -n '"type":"list",'
+        echo -n '"started_on":"'${new_list_started_on}'",'
+        echo -n '"list":'
+        echo -n '['
+        cat hashes/${latest_list} | jq -r '.list.[]' | sed -e 's/}/},/g' | tr -d '\n'
+        echo -n '{'
+        echo -n '"hash":"'${new_show_hash}'",'
+        echo -n '"index":"'$((${latest_index_number}+1))'",'
+        echo -n '"starts_on":"'${new_show_starts_on}'",'
+        echo -n '"duration":"'${new_show_duration}'"'
+        echo -n '}'
+        echo -n '],'
+        echo -n '"duration":"'$((${new_show_duration}+${new_show_starts_on}))'"'
+        echo -n '}'
+    )| jq -c -M > ${new_list_file}
+    sha_live=$(sha512sum ${new_list_file}|cut -d ' ' -f 1)
+    cat ${new_list_file} | jq
+    if [ $? -ne 0 ]
+    then
+        echo "Corrupted list: ${new_list_file}"
+        exit 1
+    fi
+    echo '{"latest_list":"'${sha_live}'"}' > ./hashes/list
+    mv ${new_list_file} ./hashes/${sha_live}
+
+}
+case "$(cat ${new_shows}|wc -l)" in
+    0) echo "no new shows";;
+    1)  make_new_list;;
+    *) echo "more than one shows...";break;
+esac
+rm ${new_shows}
+rm ${already_in_list}
+#cat hashes/${latest_list} | jq -r '.list.[]' | sed -e 's/}/},/g'
+#cat hashes/${latest_list} | jq
-- 
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