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+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+# This Source Code Form is "Incompatible With Secondary Licenses", as
+# defined by the Mozilla Public License, v. 2.0.
+
+# This is the base class for $self in WebService API method calls. For the
+# actual RPC server, see Bugzilla::API::Server and its subclasses.
+
+package Bugzilla::API::1_0::Resource;
+
+use 5.10.1;
+use strict;
+use warnings;
+
+use Moo;
+
+#####################
+# Default Constants #
+#####################
+
+# Used by the server to convert incoming date fields apprpriately.
+use constant DATE_FIELDS => {};
+
+# Used by the server to convert incoming base64 fields appropriately.
+use constant BASE64_FIELDS => {};
+
+# For some methods, we shouldn't call Bugzilla->login before we call them
+use constant LOGIN_EXEMPT => { };
+
+# Used to allow methods to be called in the JSON-RPC WebService via GET.
+# Methods that can modify data MUST not be listed here.
+use constant READ_ONLY => ();
+
+# Whitelist of methods that a client is allowed to access when making
+# an API call.
+use constant PUBLIC_METHODS => ();
+
+# Array of path mappings for method names for the API. Also describes
+# how path values are mapped to method parameters values.
+use constant REST_RESOURCES => [];
+
+##################
+# Public Methods #
+##################
+
+sub login_exempt {
+ my ($class, $method) = @_;
+ return $class->LOGIN_EXEMPT->{$method};
+}
+
+1;
+
+__END__
+
+=head1 NAME
+
+Bugzilla::API::1_0::Resource - The Web Service Resource interface to Bugzilla
+
+=head1 DESCRIPTION
+
+This is the standard API for external programs that want to interact
+with Bugzilla. It provides endpoints or methods in various modules.
+
+You can interact with this API via L<REST|Bugzilla::API::1_0::Server>.
+
+=head1 CALLING METHODS
+
+Methods are grouped into "packages", like C<Bug> for
+L<Bugzilla::API::1_0::Resource::Bug>. So, for example,
+L<Bugzilla::API::1_0::Resource::Bug/get>, is called as C<Bug.get>.
+
+For REST, the "package" is more determined by the path used to access the
+resource. See each relevant method for specific details on how to access via REST.
+
+=head1 USAGE
+
+Full documentation on how to use the Bugzilla API can be found at
+L<https://bugzilla.readthedocs.org/en/latest/api/index.html>.
+
+=head1 ERRORS
+
+If a particular API call fails, it will throw an error in the appropriate format
+providing at least a numeric error code and descriptive text for the error.
+
+The various errors that functions can throw are specified by the
+documentation of those functions.
+
+Each error that Bugzilla can throw has a specific numeric code that will
+not change between versions of Bugzilla. If your code needs to know what
+error Bugzilla threw, use the numeric code. Don't try to parse the
+description, because that may change from version to version of Bugzilla.
+
+Note that if you display the error to the user in an HTML program, make
+sure that you properly escape the error, as it will not be HTML-escaped.
+
+=head2 Transient vs. Fatal Errors
+
+If the error code is a number greater than 0, the error is considered
+"transient," which means that it was an error made by the user, not
+some problem with Bugzilla itself.
+
+If the error code is a number less than 0, the error is "fatal," which
+means that it's some error in Bugzilla itself that probably requires
+administrative attention.
+
+Negative numbers and positive numbers don't overlap. That is, if there's
+an error 302, there won't be an error -302.
+
+=head2 Unknown Errors
+
+Sometimes a function will throw an error that doesn't have a specific
+error code. In this case, the code will be C<-32000> if it's a "fatal"
+error, and C<32000> if it's a "transient" error.
+
+=head1 SEE ALSO
+
+=head2 API Resource Modules
+
+=over
+
+=item L<Bugzilla::API::1_0::Resource::Bug>
+
+=item L<Bugzilla::API::1_0::Resource::Bugzilla>
+
+=item L<Bugzilla::API::1_0::Resource::Classification>
+
+=item L<Bugzilla::API::1_0::Resource::FlagType>
+
+=item L<Bugzilla::API::1_0::Resource::Component>
+
+=item L<Bugzilla::API::1_0::Resource::Group>
+
+=item L<Bugzilla::API::1_0::Resource::Product>
+
+=item L<Bugzilla::API::1_0::Resource::User>
+
+=back
+
+=head1 B<Methods in need of POD>
+
+=over
+
+=item login_exempt
+
+=back