about summary refs log tree commit diff stats
path: root/runsfeed
blob: 48f118d29393d8df992a8987023e0f43996b6559 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
#!/usr/bin/env bash
# Run sfeed

# set -euo pipefail

main() {
	NOFETCH=false
	[ "x$1" = "x-n" ] && NOFETCH=true
	export NOFETCH
	export SFEED_CONFIG="$HOME/.sfeed"
	# SFEED_CONFIG="${XDG_CONFIG_HOME:-$HOME/.config}/sfeed"
	export SFEED_DATA="$HOME/.sfeed"
	# SFEED_DATA="${XDG_DATA_HOME:-$HOME/.local/share}/sfeed"
	if [ -d /var/www/acdw.casa/planet ]; then
		export SFEED_OUTPUT=/var/www/acdw.casa/planet
	else
		export SFEED_OUTPUT="$HOME/.sfeed"
	fi
	# SFEED_OUTPUT=/var/www/sfeed
	export sfeedrc="$SFEED_CONFIG/sfeedrc"
	export sfeedpath="$SFEED_DATA/feeds"
	test -d "$(dirname "$sfeedrc")" || mkdir -p "$(dirname "$sfeedrc")"
	test -d "$sfeedpath" || mkdir -p "$sfeedpath"
	touch /tmp/runsfeed.ok

	# if ! $NOFETCH; then
	# logok "Finding Invidious host" \
	# get_invidious_url "https://api.invidious.io/instances.json?sort_by=health"
	# fi
	logok "Removing unsubscribed feeds" \
		remove_unsubs "$sfeedrc"
	logok -n "Updating feeds" \
		update "$sfeedrc"
	logok "Updating urls" \
		update_urls "$sfeedrc"
	logok "Generating HTML" '{
		html "$sfeedpath"/* >/tmp/sfeed-index.html &&
			mv /tmp/sfeed-index.html "$SFEED_OUTPUT/index.html";
		html -v LIMIT=-1 "$sfeedpath"/* >/tmp/sfeed-feeds.html &&
			mv /tmp/sfeed-feeds.html "$SFEED_OUTPUT/feeds.html";
	}'
	logok "Generating RSS" '{
		atom "$sfeedpath" >/tmp/feeds.xml &&
		mv /tmp/feeds.xml "$SFEED_OUTPUT/feeds.xml";
	 atom "$sfeedpath" 7 >/tmp/feeds-short.xml &&
		 mv /tmp/feeds-short.xml "$SFEED_OUTPUT/feeds-short.xml";
			       }'
	logok "Generating OPML" '{
		opml "$sfeedrc" >/tmp/feeds.opml &&
			mv /tmp/feeds.opml "$SFEED_OUTPUT/feeds.opml";
				}'
	logok "Generating twtxt" '{
		twtxt "$sfeedpath" >/tmp/feeds.txt &&
			mv /tmp/feeds.txt "$SFEED_OUTPUT/feeds.txt";
		}'
	# logok "Archiving old feeds" \
	# archive "$sfeedpath"/*
	if [ -f /tmp/runsfeed.ok ]; then
		echo >&2 'Done.'
	else
		echo >&2 'Done (some errors).'
	fi
}

runcmd() {
	cmd="$(command -v "$1" || echo "./$1")"
	shift
	"$cmd" "$@"
}

remove_unsubs() {
	runcmd sfeed_unsubscribe.sh "$@"
}

update_urls() {
	runcmd sfeed_update_urls.sh "$@"
}

get_invidious_url() {
	"${NOFETCH:-false}" && return
	curl -sL "$1" |
		jq -r .[][1].uri |
		grep -v onion |
		head -n1 | tee /tmp/invidious.host
}

logok() {
	newline=''
	if [ "x$1" = x-n ]; then
		newline='\n'
		shift
	fi
	printf "%s...$newline" "$1" >&2
	shift
	if output="$(eval "$@" | tee /dev/stderr)"; then
		printf '%s\n' "${output:-ok}"
		return 0
	else
		rm /tmp/runsfeed.ok
		printf 'ERROR\n'
		return 1
	fi
}

update() {
	runcmd sfeed_update_xargs "$@"
}

twtxt() {
	curd="$PWD"
	cd "$1" || return 1
	if [ $# -eq 2 ]; then
		old="$(($(date +%s) - ($2 * 24 * 3600)))"
	else
		old=0
	fi
	awk -v old="$old" \
		'BEGIN{FS="\t";OFS="\t";} int($1)>=old{$2="["FILENAME"] "$2;print}' \
		* |
		sort -k1,1rn |
		sfeed_twtxt
}

opml() {
	sfeed_opml_export "$@"
}

html() {
	runcmd sfeed_html.awk "$@"
}

atom() ( # atom DIRECTORY [DAYS]
	curd="$PWD"
	cd "$1" || return 1
	if [ $# -eq 2 ]; then
		old=$(($(date +%s) - ($2 * 24 * 3600)))
	else
		old=0
	fi
	awk -F $'\t' -v old="$old" \
		'BEGIN{OFS="\t"} $1 && int($1)>=old{$2="["FILENAME"] "$2;print}' \
		* |
		sort -k1,1rn |
		sfeed_atom
)

archive() ( # sfeed_archive FEED ...
	for feed; do
		awk -v old="$(($(date +%s) - (60 * 24 * 3600)))" \
			-F '\t' 'int($1) > old' <"$feed" >"$feed.new"
		mv "$feed" "$feed.old"
		mv "$feed.new" "$feed"
	done
)

if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
	main "$@"
fi