From 7685ad5fd2a26c1abcc7015485f4b8b98741505d Mon Sep 17 00:00:00 2001
From: Joelle Maslak <jmaslak@antelope.net>
Date: Sat, 6 Jul 2019 18:02:58 -0600
Subject: Solutions for 15.3 in P5 & P6

---
 challenge-015/joelle-maslak/perl5/ch-3.pl | 68 +++++++++++++++++++++++++++++++
 challenge-015/joelle-maslak/perl6/ch-3.p6 | 58 ++++++++++++++++++++++++++
 2 files changed, 126 insertions(+)
 create mode 100755 challenge-015/joelle-maslak/perl5/ch-3.pl
 create mode 100755 challenge-015/joelle-maslak/perl6/ch-3.p6

diff --git a/challenge-015/joelle-maslak/perl5/ch-3.pl b/challenge-015/joelle-maslak/perl5/ch-3.pl
new file mode 100755
index 0000000000..87ccb7a483
--- /dev/null
+++ b/challenge-015/joelle-maslak/perl5/ch-3.pl
@@ -0,0 +1,68 @@
+#!/usr/bin/env perl
+use v5.26;
+use strict;
+use warnings;
+
+# Turn on method signatures
+use feature 'signatures';
+no warnings 'experimental::signatures';
+
+use autodie;
+use Getopt::Long;
+use Mojo::UserAgent;
+use Path::Tiny;
+use Perl6::Slurp;
+
+MAIN: {
+    my $configfile = path( $ENV{HOME} // "", ".languageapi" )->stringify();
+    my $url        = 'https://ws.detectlanguage.com/0.2/detect';
+    GetOptions(
+        "url=s"         => \$url,
+        "config-file=s" => \$configfile,
+    );
+
+    if ( @ARGV != 0 ) { die("Unknown parameter"); }
+
+    my $apikey = get_api_key($configfile);
+
+    my $input = '';
+    while (<stdin>) { $input .= $_ }
+
+    my $info = get_language($input, $apikey, $url);
+    my $result = $info->{data}{detections}[0];
+    say "Language: ", $result->{language};
+    say "Is reliable: ", $result->{isReliable} ? "Yes" : "No";
+    say "Confidence: ", $result->{confidence};
+}
+
+sub get_api_key($configfile) {
+    my (@lines) = grep { length($_) } slurp($configfile);
+    die "Config-file ($configfile) must consist of one line" if @lines != 1;
+    chomp $lines[0];
+    return $lines[0];
+}
+
+# Usage:
+#   text   = Text to look up
+#   apikey = Your API key
+#   url    = URL
+#
+sub get_language($text, $apikey, $url) {
+    my $ua = Mojo::UserAgent->new();
+    $ua->max_redirects(16);
+    $ua->once(
+        start => sub ( $ua, $tx ) {
+            $tx->req->headers->header( 'Authorization' => "Bearer " . $apikey );
+        }
+    );
+
+    my $tx = $ua->post($url, json => { q => $text } );
+    if ( ( $tx->result->code >= 200 ) && ( $tx->result->code <= 299 ) ) {
+        my $json = $tx->result->json;
+        return $json;
+    }
+
+    my $body = $tx->result->json;
+    die "Error from API endpoint: " . $body->{error}{message};
+}
+
diff --git a/challenge-015/joelle-maslak/perl6/ch-3.p6 b/challenge-015/joelle-maslak/perl6/ch-3.p6
new file mode 100755
index 0000000000..fe3d0f7b45
--- /dev/null
+++ b/challenge-015/joelle-maslak/perl6/ch-3.p6
@@ -0,0 +1,58 @@
+#!/usr/bin/env perl6
+use v6;
+
+use Cro::HTTP::Client;
+
+sub MAIN(
+    Str:D :$config-file? = $*HOME.add(".languageapi").Str,
+    Str:D :$url          = 'https://ws.detectlanguage.com/0.2/detect',
+) {
+    my $info = get-language(:text($*IN.slurp), :$url, :$config-file);
+    my $result = $info<detections>[0];
+    say "Language: { $result<language> }";
+    say "Is reliable: { $result<isReliable> }";
+    say "Confidence: { $result<confidence>.fmt("%.2f") }";
+}
+
+sub get-api-key(Str:D $config-file -->Str:D) {
+    my @lines = $config-file.IO.lines().grep( *.chars > 0 );
+    die "Config-file ($config-file) must consist of one line" if @lines.elems ≠ 1;
+
+    return @lines.first;
+}
+
+# Usage:
+#   :$text        = Text to look up
+#   :$url         = base URL
+#   :$config-file = Name of config file to use
+#
+sub get-language (
+    Str:D :$text,
+    Str:D :$url,
+    Str:D :$config-file,
+) {
+    my $api-key = get-api-key($config-file);
+    
+    my $client = Cro::HTTP::Client.new(
+        base-uri     => $url,
+        headers      => [ Authorization => "Bearer $api-key" ],
+        content-type => 'application/json',
+    );
+
+    my $resp = await $client.post('', body => %( q => $text ) );
+    my $json = await $resp.body;
+
+    if $json<data>:exists {
+        return $json<data>;
+    } else {
+        return;
+    }
+
+    CATCH {
+        when X::Cro::HTTP::Error {
+            my $body = await .response.body;
+            die "Error from API endpoint: $body";
+        }
+    }
+}
+
-- 
cgit