blib/lib/WWW/Scraper/ISBN/Wheelers_Driver.pm | |||
---|---|---|---|
Criterion | Covered | Total | % |
statement | 59 | 59 | 100.0 |
branch | 6 | 12 | 50.0 |
condition | 2 | 6 | 33.3 |
subroutine | 7 | 7 | 100.0 |
pod | 1 | 1 | 100.0 |
total | 75 | 85 | 88.2 |
line | stmt | bran | cond | sub | pod | time | code | ||
---|---|---|---|---|---|---|---|---|---|
1 | package WWW::Scraper::ISBN::Wheelers_Driver; | ||||||||
2 | |||||||||
3 | 6 | 6 | 249834 | use strict; | |||||
6 | 20 | ||||||||
6 | 261 | ||||||||
4 | 6 | 6 | 34 | use warnings; | |||||
6 | 11 | ||||||||
6 | 276 | ||||||||
5 | |||||||||
6 | 6 | 6 | 39 | use vars qw($VERSION @ISA); | |||||
6 | 15 | ||||||||
6 | 544 | ||||||||
7 | $VERSION = '0.13'; | ||||||||
8 | |||||||||
9 | #-------------------------------------------------------------------------- | ||||||||
10 | |||||||||
11 | =head1 NAME | ||||||||
12 | |||||||||
13 | WWW::Scraper::ISBN::Wheelers_Driver - Search drivers for the Wheelers' online book catalog. | ||||||||
14 | |||||||||
15 | =head1 SYNOPSIS | ||||||||
16 | |||||||||
17 | See parent class documentation (L |
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18 | |||||||||
19 | =head1 DESCRIPTION | ||||||||
20 | |||||||||
21 | Searches for book information from the Wheelers' online book catalog. | ||||||||
22 | |||||||||
23 | =cut | ||||||||
24 | |||||||||
25 | #-------------------------------------------------------------------------- | ||||||||
26 | |||||||||
27 | ########################################################################### | ||||||||
28 | # Inheritence | ||||||||
29 | |||||||||
30 | 6 | 6 | 31 | use base qw(WWW::Scraper::ISBN::Driver); | |||||
6 | 13 | ||||||||
6 | 6393 | ||||||||
31 | |||||||||
32 | ########################################################################### | ||||||||
33 | # Modules | ||||||||
34 | |||||||||
35 | 6 | 6 | 18265 | use WWW::Mechanize; | |||||
6 | 1534218 | ||||||||
6 | 298 | ||||||||
36 | |||||||||
37 | ########################################################################### | ||||||||
38 | # Constants | ||||||||
39 | |||||||||
40 | 6 | 6 | 78 | use constant SEARCH => 'http://www.wheelers.co.nz/search/results/?query='; | |||||
6 | 15 | ||||||||
6 | 6741 | ||||||||
41 | |||||||||
42 | #-------------------------------------------------------------------------- | ||||||||
43 | |||||||||
44 | ########################################################################### | ||||||||
45 | # Public Interface | ||||||||
46 | |||||||||
47 | =head1 METHODS | ||||||||
48 | |||||||||
49 | =over 4 | ||||||||
50 | |||||||||
51 | =item C |
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52 | |||||||||
53 | Creates a query string, then passes the appropriate form fields to the | ||||||||
54 | Wheelers server. | ||||||||
55 | |||||||||
56 | The returned page should be the correct catalog page for that ISBN. If not the | ||||||||
57 | function returns zero and allows the next driver in the chain to have a go. If | ||||||||
58 | a valid page is returned, the following fields are returned via the book hash: | ||||||||
59 | |||||||||
60 | isbn (now returns isbn13) | ||||||||
61 | isbn10 | ||||||||
62 | isbn13 | ||||||||
63 | ean13 (industry name) | ||||||||
64 | author | ||||||||
65 | title | ||||||||
66 | book_link | ||||||||
67 | image_link | ||||||||
68 | description | ||||||||
69 | pubdate | ||||||||
70 | publisher | ||||||||
71 | binding (if known) | ||||||||
72 | pages (if known) | ||||||||
73 | weight (if known) (in grammes) | ||||||||
74 | width (if known) (in millimetres) | ||||||||
75 | height (if known) (in millimetres) | ||||||||
76 | |||||||||
77 | The book_link and image_link refer back to the Wheelers website. | ||||||||
78 | |||||||||
79 | =back | ||||||||
80 | |||||||||
81 | =cut | ||||||||
82 | |||||||||
83 | sub search { | ||||||||
84 | 3 | 3 | 1 | 27919 | my $self = shift; | ||||
85 | 3 | 10 | my $isbn = shift; | ||||||
86 | 3 | 28 | $self->found(0); | ||||||
87 | 3 | 57 | $self->book(undef); | ||||||
88 | |||||||||
89 | 3 | 48 | my $mech = WWW::Mechanize->new(); | ||||||
90 | 3 | 19989 | $mech->agent_alias( 'Linux Mozilla' ); | ||||||
91 | |||||||||
92 | 3 | 249 | eval { $mech->get( SEARCH . $isbn ) }; | ||||||
3 | 18 | ||||||||
93 | 3 | 50 | 33 | 9034652 | return $self->handler("Wheelers website appears to be unavailable.") | ||||
33 | |||||||||
94 | if($@ || !$mech->success() || !$mech->content()); | ||||||||
95 | |||||||||
96 | # The Book page | ||||||||
97 | 3 | 218 | my $html = $mech->content(); | ||||||
98 | |||||||||
99 | 3 | 50 | 11167 | return $self->handler("Failed to find that book on Wheelers website.") | |||||
100 | if($html =~ m!Your search returned 0 results!si); | ||||||||
101 | |||||||||
102 | #print STDERR "\n# html=[\n$html\n]\n"; | ||||||||
103 | |||||||||
104 | 3 | 12 | my $data; | ||||||
105 | 3 | 23684 | ($data->{image}) = $html =~ m!href="(.*?/large/\d+/\d+.jpg)!i; | ||||||
106 | 3 | 6914 | ($data->{thumb}) = $html =~ m!src="(.*?/small/\d+/\d+.jpg)!i; | ||||||
107 | 3 | 104 | ($data->{author}) = $html =~ m! | ||||||
108 | 3 | 5228 | ($data->{title}) = $html =~ m!\s*([^,<]+)!i; |
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109 | 3 | 14460 | ($data->{publisher}) = $html =~ m! | Publisher | \s*]+>([^<]+) | !i;||||
110 | 3 | 7571 | ($data->{pubdate}) = $html =~ m! | International Publication Date | \s*([^<]+) | !i;||||
111 | 3 | 6772 | ($data->{isbn13}) = $html =~ m! | ISBN-13 | \s*(\d+) | !i;||||
112 | 3 | 7707 | ($data->{isbn10}) = $html =~ m! | ISBN-10 | \s*(\d+) | !i;||||
113 | 3 | 112 | ($data->{binding}) = $html =~ m! | Format | \s*([^<]+) | ||||
114 | 3 | 235 | ($data->{pages}) = $html =~ m! | Number of Pages | \s*([^<]+) | !s;||||
115 | 3 | 772 | ($data->{width},$data->{height}) = $html =~ m! | ||||||
Dimensions | \s*Width:\s*([\d.]+)mm Height:\s*([\d.]+)mm (?:Spine:\s*([\d.]+)mm)? | \s*||||||||
116 | 3 | 572 | ($data->{weight}) = $html =~ m! | ||||||
Weight | \s*(\d+)g | \s*||||||||
117 | 3 | 7640 | ($data->{description}) = $html =~ m!Description of this book\s*([^<]+) !i; |
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118 | |||||||||
119 | 3 | 24 | $data->{binding} =~ s/,.*//; | ||||||
120 | 3 | 22 | for(qw(image thumb)) { | ||||||
121 | 6 | 50 | 33 | next unless(defined $data->{$_}); | |||||
122 | 6 | 50 | 28 | next if($data->{$_} =~ m!^http://!); | |||||
123 | 6 | 48 | $data->{$_} =~ s!^//!http://!; | ||||||
124 | } | ||||||||
125 | |||||||||
126 | 3 | 38 | my $base = $mech->uri(); | ||||||
127 | 3 | 342 | $base =~ s!(http://[^/]+).*!$1!; | ||||||
128 | |||||||||
129 | #use Data::Dumper; | ||||||||
130 | #print STDERR "\n# " . Dumper($data); | ||||||||
131 | |||||||||
132 | 3 | 50 | 74 | return $self->handler("Could not extract data from Wheelers result page.") | |||||
133 | unless(defined $data); | ||||||||
134 | |||||||||
135 | # trim top and tail | ||||||||
136 | 3 | 50 | 24 | foreach (keys %$data) { next unless(defined $data->{$_});$data->{$_} =~ s/^\s+//;$data->{$_} =~ s/\s+$//; } | |||||
42 | 79 | ||||||||
42 | 78 | ||||||||
42 | 168 | ||||||||
137 | |||||||||
138 | 3 | 30 | my $bk = { | ||||||
139 | 'ean13' => $data->{isbn13}, | ||||||||
140 | 'isbn13' => $data->{isbn13}, | ||||||||
141 | 'isbn10' => $data->{isbn10}, | ||||||||
142 | 'isbn' => $data->{isbn13}, | ||||||||
143 | 'author' => $data->{author}, | ||||||||
144 | 'title' => $data->{title}, | ||||||||
145 | 'book_link' => $mech->uri(), | ||||||||
146 | 'image_link' => $data->{image}, | ||||||||
147 | 'thumb_link' => $data->{thumb}, | ||||||||
148 | 'description' => $data->{description}, | ||||||||
149 | 'pubdate' => $data->{pubdate}, | ||||||||
150 | 'publisher' => $data->{publisher}, | ||||||||
151 | 'binding' => $data->{binding}, | ||||||||
152 | 'pages' => $data->{pages}, | ||||||||
153 | 'weight' => $data->{weight}, | ||||||||
154 | 'width' => $data->{width}, | ||||||||
155 | 'height' => $data->{height}, | ||||||||
156 | 'html' => $html | ||||||||
157 | }; | ||||||||
158 | |||||||||
159 | #use Data::Dumper; | ||||||||
160 | #print STDERR "\n# book=".Dumper($bk); | ||||||||
161 | |||||||||
162 | 3 | 139 | $self->book($bk); | ||||||
163 | 3 | 147 | $self->found(1); | ||||||
164 | 3 | 32 | return $self->book; | ||||||
165 | } | ||||||||
166 | |||||||||
167 | 1; | ||||||||
168 | __END__ |