NAME
Gcis::Client -- Perl client for interacting with the Global Change Information System
SYNOPSIS
use Gcis::Client;
my $c = Gcis::Client->new(url => 'http://data.globalchange.gov');
print $c->get('/report');
my $c = Gcis::Client->connect(url => $ARGV[0]);
$c->post(
'/report',
{
identifier => 'my-new-report',
title => "awesome report",
frequency => "1 year",
summary => "this is a great report",
report_type_identifier => "report",
publication_year => '2000',
url => "http://example.com/report.pdf",
}
) or die $c->error;
# Add a chapter
$c->post(
"/report/my-new-report/chapter",
{
report_identifier => "my-new-report",
identifier => "my-chapter-identifier",
title => "Some Title",
number => 12,
sort_key => 100,
doi => '10.1234/567',
url => 'http://example.com/report',
}
) or die $c->error;
my $c = Gcis::Client->new
->url('http://data.globalchange.gov')
->logger($logger)
->find_credentials
->login;
DESCRIPTION
This is a simple client for the GCIS API, based on Mojo::UserAgent.
ATTRIBUTES
delay
A delay between requests.
url
The base url for the API.
key
An access key for the API.
error
An error from the most recent reqeust.
ua
The Mojo::UserAgent object.
logger
A logger (defaults to a Mojo::Log object).
accept
An accept header to send with every request (defaults to "application/json");
tx
The Mojo::Transaction object from the most recent request.
METHODS
connect
my $c = Gcis::Client->connect(url => $url);
Shorthand for Gcis::Client->new->url($url)->find_credentials->login or die "Failed to log in to $url";
find_credentials
Matches a URL with one in the configuration file. See CONFIGURATION below.
login
Verify that a get request to /login succeeds.
Returns the client object if and only if it succeeds.
$c->login;
get_chapter_map
Get a map from chapter number to identifer.
my $identifier = $c->get_chapter_map('nca3')->{1}
use_env
Get the URL from the GCIS_API_URL environment variable. Also get an optional delay (in seconds) from GCIS_API_DELAY.
$c->use_env;
get
Get a URL, requesting JSON, converting an arrayref to an array if called in an array context. An optional second parameter may be a hash which is converted into a query string.
$gcis->get('/report');
$gcis->get('/report', {report_type => 'assessment'});
$gcis->get('/report?report_type=assessment');
delete
Delete a record, optionally replacing it with another record.
$gcis->delete('/person/1234');
$gcis->delete('/person/1234', { replacement => "/person/7899" });
add_file_url
Add a file using its URL.
$c->add_file_url($gcid => {
file_url => $file_url,
landing_page => $landing_page
});
put_file
PUT a local file to a remote destination.
$g->put_file($destination, $source) or die $g->error;
$path is the destination API path, like /report/files/nca2100/highres.pdf
$source is the local file, e.g. /tmp/nca2100.pdf
CONFIGURATION
Credentials can be stored in a YAML file called ~/etc/Gcis.conf. This contains URLs and keys, in this format :
- url : http://data-stage.globalchange.gov
userinfo : me@example.com:298015f752d99e789056ef826a7db7afc38a8bbd6e3e23b3
key : M2FiLTg2N2QtYjhiZTVhM5ZWEtYjNkM5ZWEtYjNkMS00LTgS00LTg2N2QtYZDFhzQyNGUxCg==
- url : http://data.globalchange.gov
userinfo : username:pass
key : key