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
|
#!/usr/bin/perl
use strict;
use warnings;
use feature 'say';
use Path::Tiny;
use Time::Moment;
use JSON::MaybeXS qw( decode_json );
use Text::Table::Tiny qw( generate_table );
use Text::ASCIITable;
use OpenBSD::Unveil;
# Unveil @INC.
foreach my $path (@INC) {
unveil( $path, 'rx' ) or
die "Unable to unveil: $!";
}
# %unveil contains list of paths to unveil with their permissions.
my %unveil = (
"/" => "rx", # Unveil "/", remove this later after profiling with
# ktrace.
"/home" => "", # Veil "/home", we don't want to read it.
"/tmp" => "rwc",
"/dev/null" => "rw",
);
# Unveil each path from %unveil.
keys %unveil;
while( my( $path, $permission ) = each %unveil ) {
unveil( $path, $permission ) or
die "Unable to unveil: $!";
}
my $file = '/tmp/data.json';
my $file_mtime;
# If $file exists then get mtime.
if ( -e $file ) {
my $file_stat = path($file)->stat;
$file_mtime = Time::Moment->from_epoch( $file_stat->[9] );
}
# Fetch latest data only if the local data is older than 8 minutes or
# if the file doesn't exist.
if ( ( not -e $file ) or
( $file_mtime <
Time::Moment->now_utc->minus_minutes(8) ) ) {
require File::Fetch;
# Fetch latest data from api.
my $url = 'https://api.covid19india.org/data.json';
my $ff = File::Fetch->new(uri => $url);
# Save the api response under /tmp.
$file = $ff->fetch( to => '/tmp' ) or
die $ff->error;
}
# Slurp api response to $file_data.
my $file_data = path($file)->slurp;
# Block further unveil calls.
unveil() or
die "Unable to lock unveil: $!";
# Decode $file_data to $json_data.
my $json_data = decode_json($file_data);
# Get statewise information.
my $statewise = $json_data->{statewise};
# Map month number to Months.
my @months = qw( lol Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec );
my $covid_19_data = [
['State', 'Confirmed', 'Active', 'Recovered', 'Deaths', 'Last Updated'],
];
my $state_notes = Text::ASCIITable->new( { drawRowLine => 1 } );
$state_notes->setCols( 'State', 'Notes' );
$state_notes->setColWidth( 'Notes', 84 );
my $today = Time::Moment
->now_utc
->plus_hours(5)
->plus_minutes(30); # Current time in 'Asia/Kolkata' TimeZone.
# Add first 37 entries to $rows.
foreach my $i (0...37) {
my $update_info;
my $lastupdatedtime = $statewise->[$i]{lastupdatedtime};
my $last_update_dmy = substr( $lastupdatedtime, 0, 10 );
# Add $update_info.
if ( $last_update_dmy eq $today->strftime( "%d/%m/%Y" ) ) {
$update_info = "Today";
} elsif ( $last_update_dmy eq
$today->minus_days(1)->strftime( "%d/%m/%Y" ) ) {
$update_info = "Yesterday";
} elsif ( $last_update_dmy eq
$today->plus_days(1)->strftime( "%d/%m/%Y" ) ) {
$update_info = "Tomorrow"; # Hopefully we don't see this.
} else {
$update_info =
$months[substr( $lastupdatedtime, 3, 2 )] .
" " .
substr( $lastupdatedtime, 0, 2 );
}
my $state = $statewise->[$i]{state};
$state = "India" if
$state eq "Total";
$state = $statewise->[$i]{statecode} if
length($state) > 16;
my $confirmed = "$statewise->[$i]{confirmed}";
my $recovered = "$statewise->[$i]{recovered}";
my $deaths = "$statewise->[$i]{deaths}";
# Add delta only if it was updated Today.
if ( $update_info eq "Today" ) {
$confirmed .= " (+$statewise->[$i]{deltaconfirmed})";
$recovered .= " (+$statewise->[$i]{deltarecovered})";
$deaths .= " (+$statewise->[$i]{deltadeaths})";
}
push @$covid_19_data, [
$state,
$confirmed,
$statewise->[$i]{active},
$recovered,
$deaths,
$update_info,
];
$state_notes->addRow(
$state,
$statewise->[$i]{statenotes},
) unless
length($statewise->[$i]{statenotes}) == 0;
}
# Generate tables.
say generate_table(rows => $covid_19_data, header_row => 1);
print $state_notes;
|