mattermost-channels/gen.sh
2024-11-23 21:13:51 +01:00

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#!/bin/sh
set -euo pipefail
if [ -z "$MM_SERVER" ]; then
echo "Set environment variable MM_SERVER to e.g. mattermost.example.com"
exit 1
fi
mattermost_name="Zeus Mattermost"
team_name="zeus"
dir="$(dirname "$0")"
out="$dir/dist/channels/index.html"
mkdir -p "$(dirname "$out")"
cp go_to_channel.png dist/
cp main.css dist/
custom_emoji_file="$(mktemp --tmpdir custom_emoji.XXXXXXXXXX.json)"
mmcli listcustomemoji | jq -s > "$custom_emoji_file"
jqo() {
json="$1"
shift 1
printf '%s' "$json" | jq -cr "$@" || { printf 'jq errored performing %s on this input: %s\n' "$*" "$json" >&2; }
}
htmlescape() {
sed 's/&/\&amp;/g; s/</\&lt;/g; s/>/\&gt;/g; s/"/\&quot;/g; s/'"'"'/\&#39;/g'
}
emoji() {
env --chdir "$dir" \
python3 "$dir/emoji.py" "$custom_emoji_file"
}
markdown() {
htmlescape | \
{ pandoc --from=markdown+autolink_bare_uris+emoji --to=html || printf "Markdown conversion failed\n" >&2; } | \
sed -E '
s|<(h[0-6])[^>]*>|<div class="\1">|g
s|</(h[0-6])>|</div>|g
s/src="\(.*\)"/src=""/g
' | \
sed -f "$channels_sed_file" | \
emoji
}
format_number() {
awk '{printf "%'\''d\n", $1}'
}
format_timestamp() {
format_str="$1"
xargs -Ixxx date --date "@xxx" "+$format_str"
}
channels="$(mmcli ls "$team_name" | jq -cs 'sort_by(- .last_post_at) | .[]')"
channel_count="$(jqo "$channels" -s 'length')"
channels_sed_file="$(mktemp --tmpdir "mattermost_channels.XXXXXXXXX.sed")"
jqo "$channels" -s 'map(.name) | sort_by(length) | reverse | .[]' | sed 's|.*|s/~&/<a href=\"#channel_&\">CHANNEL[&]<\\/a>/g|' > "$channels_sed_file"
printf 's/CHANNEL\\[\\([^]]*\\)\\]/~\\1/g\n' >> "$channels_sed_file"
substitute_vars() {
sed '
s/$lastupdated/'"$(date '+%Y-%m-%d %H:%M')"'/g
s/$mattermost_name/'"$mattermost_name"'/g
s/$team_name/'"$team_name"'/g
s/$channel_count/'"$channel_count"'/g
'
}
substitute_vars < "$dir"/header.html > "$out"
printf '%s\n' "$channels" | while IFS="" read -r chan || [ -n "$chan" ]; do
if [ "$(jqo "$chan" '.type')" != O ]; then continue; fi
name="$(jqo "$chan" '.name' | htmlescape)"
display_name="$(jqo "$chan" '.display_name' | htmlescape)"
purpose="$(jqo "$chan" '.purpose' | markdown)"
header="$(jqo "$chan" '.header' | markdown)"
create_at="$(jqo "$chan" '.create_at / 1000' | format_timestamp '%Y-%m-%d')"
last_post_at="$(jqo "$chan" '.last_post_at / 1000' | format_timestamp '%Y-%m-%d %H:%M')"
total_msg_count="$(jqo "$chan" '.total_msg_count' | format_number)"
cat >> "$out" <<HERE
<div class="channel" id="channel_$name">
<h2>$display_name <a href="https://mattermost.zeus.gent/zeus/$name" target="mattermost-webapp"><img src="../go_to_channel.png" alt="Go to channel" class="go_to_channel" /></a></h2>
<dl>
HERE
if [ -n "$purpose" ]; then
cat >> "$out" <<HERE
<div class="purpose">
<dt>Purpose</dt>
<dd>$purpose</dd>
</div>
HERE
fi
if [ -n "$header" ]; then
cat >> "$out" <<HERE
<div class="header">
<dt>Header</dt>
<dd>$header</dd>
</div>
HERE
fi
cat >> "$out" <<HERE
<div class="stats">
<div class="create_at">
<dt>Created on</dt>
<dd>$create_at</dd>
</div>
<div class="last_post_at">
<dt>Last message</dt>
<dd>$last_post_at</dd>
</div>
<div class="total_msg_count">
<dt>Amount of messages</dt>
<dd>$total_msg_count</dd>
</div>
</div>
</dl>
</div>
HERE
done
substitute_vars < "$dir"/footer.html >> "$out"