Annotation of todotxt/Text-Todo-REST-API/lib/Text/Todo/REST/API.pm, Revision 1.20
1.1 andrew 1: package Text::Todo::REST::API;
2:
1.20 ! andrew 3: # $AFresh1: API.pm,v 1.19 2010/02/16 06:12:26 andrew Exp $
1.1 andrew 4:
5: use warnings;
6: use strict;
7: use Carp;
8:
1.2 andrew 9: use Text::Todo;
1.10 andrew 10: use Text::Todo::REST::API::Response;
1.1 andrew 11:
1.13 andrew 12: use Module::Pluggable
13: instantiate => 'new',
14: search_path => 'Text::Todo::REST::API::Actions',
15: sub_name => 'actions';
16:
1.5 andrew 17: use Class::Std::Utils;
1.8 andrew 18:
1.2 andrew 19: use version; our $VERSION = qv('0.0.1');
1.1 andrew 20:
1.2 andrew 21: {
1.5 andrew 22: my @attr_refs = \(
23: my %todo_of,
1.6 andrew 24:
1.5 andrew 25: my %suffix_of,
26: my %file_regex_of,
1.6 andrew 27:
1.8 andrew 28: my %format_of,
1.6 andrew 29:
1.5 andrew 30: my %action_handlers,
31: );
1.2 andrew 32:
1.5 andrew 33: sub new {
34: my ( $class, $options ) = @_;
35:
1.8 andrew 36: my $self = bless anon_scalar(), $class;
37: my $ident = ident($self);
38:
39: $format_of{$ident} = $options->{default_format};
1.2 andrew 40: if ( $options->{format} ) {
1.8 andrew 41: $format_of{$ident} = $options->{format};
1.2 andrew 42: }
43:
1.8 andrew 44: $suffix_of{$ident} = $options->{suffix} || '.txt';
1.2 andrew 45:
46: $file_regex_of{$ident} = $options->{file_regex} || qr{
47: .*
48: todo
49: .*
50: \Q$suffix_of{$ident}\E
51: $
52: }ixms;
53:
1.8 andrew 54: eval {
55: $todo_of{$ident} = Text::Todo->new(
56: { todo_dir => $options->{todo_dir},
57: todo_file => $options->{todo_file},
58: }
59: );
60: };
1.7 andrew 61: if ($@) {
1.8 andrew 62: $self->fail( 'Unable to create Text::Todo object' . $@ );
1.2 andrew 63: }
64:
1.5 andrew 65: return $self;
1.2 andrew 66: }
67:
1.9 andrew 68: sub _parse_options {
1.19 andrew 69: my ( $self, $method, @options) = @_;
1.9 andrew 70:
71: my %options = (
72: method => lc $method,
73: list => '',
74: action => 'files',
1.19 andrew 75: args => {},
1.13 andrew 76:
77: suffix => $self->_suffix,
78: file_regex => $self->_file_regex,
79: format => $self->_format,
1.9 andrew 80: );
81:
1.19 andrew 82: if (@options) {
83: if ( !ref $options[0] ) {
84: $options{path} = shift @options;
1.9 andrew 85: }
86:
1.19 andrew 87: if ( ref $options[0] eq 'HASH' ) {
88: my $opts = shift @options;
1.9 andrew 89: foreach my $o ( keys %{$opts} ) {
90: $options{$o} = $opts->{$o};
91: }
92: }
93: }
1.2 andrew 94:
1.9 andrew 95: if ( exists $options{path} ) {
96: my %opts = $self->_split_path( $options{path} );
97: delete $options{path};
98:
99: foreach my $o ( keys %opts ) {
100: if ( defined $opts{$o} ) {
101: $options{$o} = $opts{$o};
102: }
103: }
1.2 andrew 104: }
105:
1.19 andrew 106: if ( $options{action} eq 'entry' && @{ $options{extra} } ) {
107: $options{action} .= q{_} . lc shift @{ $options{extra} };
1.9 andrew 108: }
1.19 andrew 109:
110: push @{ $options{extra} }, @options;
1.2 andrew 111:
1.15 andrew 112: my $list = $self->_todo->file( $options{list} );
113:
114: my $suffix = $self->_suffix || q{};
1.16 andrew 115: if ( $list !~ / \Q$suffix\E $/ixms ) {
1.15 andrew 116: $list .= $suffix;
1.14 andrew 117: }
1.8 andrew 118:
1.15 andrew 119: $options{list} = $list;
120:
1.9 andrew 121: if ( $options{format} ) {
122: $format_of{ ident $self } = $options{format};
123: delete $options{format};
124: }
1.8 andrew 125:
1.9 andrew 126: my @method;
127: foreach my $o qw( method action ) {
128: if ( $options{$o} ) {
129: push @method, $options{$o};
1.8 andrew 130: }
131: }
1.9 andrew 132: $method = join q{_}, @method;
1.8 andrew 133:
1.9 andrew 134: return $method, %options;
1.2 andrew 135: }
136:
1.9 andrew 137: sub _handle_action {
1.8 andrew 138: my ( $self, @args ) = @_;
1.9 andrew 139:
1.10 andrew 140: my ( $method, %options ) = $self->_parse_options(@args);
1.9 andrew 141:
142: my $todo = $self->_todo;
143: $todo->load( $options{list} );
144:
1.13 andrew 145: foreach my $class ( $self->actions ) {
1.10 andrew 146: if ( $class->can($method) ) {
1.11 andrew 147: return Text::Todo::REST::API::Response->new(
148: { type => $options{action},
149: format => $self->_format,
150: data => $class->$method( $todo, \%options ),
151: }
152: );
1.9 andrew 153: }
154: }
155:
156: return $self->fail( 'Unable to handle [' . $method . ']' );
1.2 andrew 157: }
158:
1.9 andrew 159: sub _split_path {
160: my ( $self, $path ) = @_;
161:
162: my %options = (
1.18 andrew 163: action => undef,
1.9 andrew 164: list => undef,
1.17 andrew 165: entry => undef,
1.19 andrew 166: extra => [],
1.9 andrew 167: );
168:
169: $path = defined $path ? $path : q{};
170: $path =~ s{^/}{}xms;
171:
172: if ( $path =~ s/\.(\w+)$//xms ) {
173: $options{format} = $1;
174: }
175:
1.18 andrew 176: ( $options{list}, $options{action},
1.19 andrew 177: @{ $options{extra} } ) = split '/', $path;
1.9 andrew 178:
1.18 andrew 179: if (!defined $options{action}) {
180: if ( $options{list} ) {
181: $options{action} = 'list';
182: }
183: else {
184: $options{action} = 'files';
185: }
1.9 andrew 186: }
1.2 andrew 187:
1.18 andrew 188: $options{action} = lc( $options{action} );
189:
190: if ($options{action} eq 'entry'
191: || $options{action} eq 'tags'
192: ) {
1.19 andrew 193: $options{ $options{action} } = shift @{ $options{extra} };
1.2 andrew 194: }
195:
1.9 andrew 196: return %options;
1.3 andrew 197: }
198:
1.20 ! andrew 199: sub GET { return shift->_handle_action( 'GET', @_ ) }
! 200: sub POST { return shift->_handle_action( 'POST', @_ ) }
! 201: sub PUT { return shift->_handle_action( 'PUT', @_ ) }
! 202: sub DELETE { return shift->_handle_action( 'DELETE', @_ ) }
1.2 andrew 203:
204: sub fail {
205: my ( $self, @message ) = @_;
206: croak(@message);
207: }
208:
209: sub _todo { my ($self) = @_; return $todo_of{ ident $self }; }
210: sub _suffix { my ($self) = @_; return $suffix_of{ ident $self}; }
211: sub _file_regex { my ($self) = @_; return $file_regex_of{ ident $self}; }
1.8 andrew 212: sub _format { my ($self) = @_; return $format_of{ ident $self}; }
1.1 andrew 213:
1.5 andrew 214: sub DESTROY {
215: my ($self) = @_;
216: my $ident = ident $self;
217: foreach my $attr_ref (@attr_refs) {
218: delete $attr_ref->{$ident};
219: }
220: }
1.2 andrew 221: }
222: 1; # Magic true value required at end of module
1.1 andrew 223: __END__
224:
225: =head1 NAME
226:
227: Text::Todo::REST::API - [One line description of module's purpose here]
228:
229:
230: =head1 VERSION
231:
232: This document describes Text::Todo::REST::API version 0.0.1
233:
234:
235: =head1 SYNOPSIS
236:
237: use Text::Todo::REST::API;
238:
239: =for author to fill in:
240: Brief code example(s) here showing commonest usage(s).
241: This section will be as far as many users bother reading
242: so make it as educational and exeplary as possible.
243:
244:
245: =head1 DESCRIPTION
246:
247: =for author to fill in:
248: Write a full description of the module and its features here.
249: Use subsections (=head2, =head3) as appropriate.
250:
251:
252: =head1 INTERFACE
253:
254: =for author to fill in:
255: Write a separate section listing the public components of the modules
256: interface. These normally consist of either subroutines that may be
257: exported, or methods that may be called on objects belonging to the
258: classes provided by the module.
259:
260:
261: =head1 DIAGNOSTICS
262:
263: =for author to fill in:
264: List every single error and warning message that the module can
265: generate (even the ones that will "never happen"), with a full
266: explanation of each problem, one or more likely causes, and any
267: suggested remedies.
268:
269: =over
270:
271: =item C<< Error message here, perhaps with %s placeholders >>
272:
273: [Description of error here]
274:
275: =item C<< Another error message here >>
276:
277: [Description of error here]
278:
279: [Et cetera, et cetera]
280:
281: =back
282:
283:
284: =head1 CONFIGURATION AND ENVIRONMENT
285:
286: =for author to fill in:
287: A full explanation of any configuration system(s) used by the
288: module, including the names and locations of any configuration
289: files, and the meaning of any environment variables or properties
290: that can be set. These descriptions must also include details of any
291: configuration language used.
292:
293: Text::Todo::REST::API requires no configuration files or environment variables.
294:
295:
296: =head1 DEPENDENCIES
297:
298: =for author to fill in:
299: A list of all the other modules that this module relies upon,
300: including any restrictions on versions, and an indication whether
301: the module is part of the standard Perl distribution, part of the
302: module's distribution, or must be installed separately. ]
303:
304: None.
305:
306:
307: =head1 INCOMPATIBILITIES
308:
309: =for author to fill in:
310: A list of any modules that this module cannot be used in conjunction
311: with. This may be due to name conflicts in the interface, or
312: competition for system or program resources, or due to internal
313: limitations of Perl (for example, many modules that use source code
314: filters are mutually incompatible).
315:
316: None reported.
317:
318:
319: =head1 BUGS AND LIMITATIONS
320:
321: =for author to fill in:
322: A list of known problems with the module, together with some
323: indication Whether they are likely to be fixed in an upcoming
324: release. Also a list of restrictions on the features the module
325: does provide: data types that cannot be handled, performance issues
326: and the circumstances in which they may arise, practical
327: limitations on the size of data sets, special cases that are not
328: (yet) handled, etc.
329:
330: No bugs have been reported.
331:
332: Please report any bugs or feature requests to
333: C<bug-text-todo-rest-api@rt.cpan.org>, or through the web interface at
334: L<http://rt.cpan.org>.
335:
336:
337: =head1 AUTHOR
338:
339: Andrew Fresh C<< <andrew@cpan.org> >>
340:
341:
342: =head1 LICENSE AND COPYRIGHT
343:
344: Copyright (c) 2010, Andrew Fresh C<< <andrew@cpan.org> >>. All rights reserved.
345:
346: This module is free software; you can redistribute it and/or
347: modify it under the same terms as Perl itself. See L<perlartistic>.
348:
349:
350: =head1 DISCLAIMER OF WARRANTY
351:
352: BECAUSE THIS SOFTWARE IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
353: FOR THE SOFTWARE, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
354: OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
355: PROVIDE THE SOFTWARE "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER
356: EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
357: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE
358: ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE SOFTWARE IS WITH
359: YOU. SHOULD THE SOFTWARE PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL
360: NECESSARY SERVICING, REPAIR, OR CORRECTION.
361:
362: IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
363: WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
364: REDISTRIBUTE THE SOFTWARE AS PERMITTED BY THE ABOVE LICENCE, BE
365: LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL,
366: OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE
367: THE SOFTWARE (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING
368: RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A
369: FAILURE OF THE SOFTWARE TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF
370: SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
371: SUCH DAMAGES.
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