Mercurial > pub > Impl
changeset 200:a9dbe534d236
sync
author | sergey |
---|---|
date | Tue, 24 Apr 2012 02:34:49 +0400 |
parents | e743a8481327 |
children | 0c018a247c8a |
files | Lib/IMPL/Web/Application/RestBaseResource.pm Lib/IMPL/Web/Application/RestCustomResource.pm Lib/IMPL/Web/Application/RestResource.pm Lib/IMPL/Web/Handler/TTView.pm Lib/IMPL/Web/RestContract.pm |
diffstat | 5 files changed, 271 insertions(+), 106 deletions(-) [+] |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Lib/IMPL/Web/Application/RestBaseResource.pm Tue Apr 24 02:34:49 2012 +0400 @@ -0,0 +1,138 @@ +package IMPL::Web::Application::RestBaseResource; +use strict; + +use IMPL::lang qw(:declare :constants); +use IMPL::declare { + require => { + Exception => 'IMPL::Exception', + ArgumentException => '-IMPL::InvalidArgumentException', + NotImplException => '-IMPL::NotImplementedException', + ForbiddenException => 'IMPL::Web::ForbiddenException', + TTransform => '-IMPL::Transform', + TResolve => '-IMPL::Config::Resolve' + }, + base => { + 'IMPL::Object' => undef, + 'IMPL::Object::Autofill' => '@_' + } +}; + + +BEGIN { + public property id => PROP_GET | PROP_OWNERSET; + public property parent => PROP_GET | PROP_OWNERSET; + public property contract => PROP_GET | PROP_OWNERSET; +} + +sub target { + shift; +} + +sub CTOR { + my ($this) = @_; + + die ArgumentException->new("id","Identifier is required for non-root resources") if $this->id and not length $this->id; + die ArgumentException->new("A contract is required") unless $this->contract; +} + +sub GetHttpImpl { + my($this,$method) = @_; + + my %map = ( + GET => 'GetImpl', + PUT => 'PutImpl', + POST => 'PostImpl', + DELETE => 'DeleteImpl' + ); + + return $map{$method}; +} + +sub InvokeHttpMethod { + my ($this,$method,$childId,$action) = @_; + + my $impl = $this->GetHttpImpl($method) || 'HttpFallbackImpl'; + + return $this->$impl($childId,$action); +} + +sub GetImpl { + die NotImplException->new(); +} + +sub PutImpl { + die NotImplException->new(); +} + +sub PostImpl { + die NotImplException->new(); +} + +sub DeleteImpl { + die NotImplException->new(); +} + +sub HttpFallbackImpl { + die ForbiddenException->new(); +} + +sub InvokeMember { + my ($this,$method,$action) = @_; + + die ArgumentException->new("method","No method information provided") unless $method; + + #normalize method info + if (not ref $method) { + $method = { + method => $method + }; + } + + if (ref $method eq 'HASH') { + my $member = $method->{method} or die InvalidOpException->new("A member name isn't specified"); + my @args; + + if (my $params = $method->{parameters}) { + if (ref $params eq 'HASH') { + @args = map { + $_, + $this->MakeParameter($params->{$_},$action) + } keys %$params; + } elsif (ref $params eq 'ARRAY') { + @args = map $this->MakeParameter($_,$action), @$params; + } else { + @args = ($this->MakeParameter($params,$action)); + } + } + return $this->target->$member(@args); + } elsif (ref $method eq TResolve) { + return $method->Invoke($this->target); + } elsif (ref $method eq 'CODE') { + return $method->($this->target,$action); + } else { + die InvalidOpException->new("Unsupported type of the method information", ref $method); + } +} + +sub MakeParameter { + my ($this,$param,$action) = @_; + + if ($param) { + if (is $param, TTransform ) { + return $param->Transform($this,$action->query); + } elsif ($param and not ref $param) { + my %std = ( + id => $this->id, + action => $action, + query => $action->query + ); + + return $std{$param} || $action->query->param($param); + } + } else { + return undef; + } +} + + +1; \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Lib/IMPL/Web/Application/RestCustomResource.pm Tue Apr 24 02:34:49 2012 +0400 @@ -0,0 +1,60 @@ +package IMPL::Web::Application::RestCustomResource; +use strict; + +use IMPL::lang qw(:declare :constants); +use IMPL::declare { + require => { + Exception => "IMPL::Exception", + ArgumentException => '-IMPL::InvalidArgumentException', + ForbiddenException => 'IMPL::Web::ForbiddenException' + }, + base => { + 'IMPL::Web::Application::RestBaseResource' => '@_' + } +}; + +BEGIN { + public property get => PROP_GET | PROP_OWNERSET; + public property put => PROP_GET | PROP_OWNERSET; + public property post => PROP_GET | PROP_OWNERSET; + public property delete => PROP_GET | PROP_OWNERSET; +} + +sub CTOR { + my ($this) = @_; + + die ArgumentException->new("parent") unless $this->parent; +} + +sub FetchChildResource { + my ($this,$id,$action) = @_; + + return $this->contract->Transform( $this->GetImpl($action), { parent => $this, id => $id } )->FetchChildResource($id,$action); +} + +sub GetImpl { + my ($this,$action) = @_; + + my $method = $this->get or die ForbiddenException->new(); + return $this->$method($action); +} + +sub PutImpl { + my ($this,$action) = @_; + my $method = $this->put or die ForbiddenException->new(); + return $this->$method($action); +} + +sub PostImpl { + my ($this,$action) = @_; + my $method = $this->post or die ForbiddenException->new(); + return $this->$method($action); +} + +sub DeleteImpl { + my ($this,$action) = @_; + my $method = $this->delete or die ForbiddenException->new(); + return $this->$method($action); +} + +1; \ No newline at end of file
--- a/Lib/IMPL/Web/Application/RestResource.pm Mon Apr 23 01:36:52 2012 +0400 +++ b/Lib/IMPL/Web/Application/RestResource.pm Tue Apr 24 02:34:49 2012 +0400 @@ -7,29 +7,32 @@ use IMPL::declare { require => { ForbiddenException => 'IMPL::Web::ForbiddenException', + NotFoundException => 'IMPL::Web::NotFoundException', InvalidOpException => '-IMPL::InvalidOperationException', ArgumentException => '-IMPL::InvalidArgumentException', TTransform => '-IMPL::Transform', - TResolve => '-IMPL::Config::Resolve' + TResolve => '-IMPL::Config::Resolve', + CustomResource => 'IMPL::Web::Application::CustomResource' }, base => { - 'IMPL::Object' => undef, - 'IMPL::Object::Autofill' => '@_' + 'IMPL::Web::Application::RestBaseResource' => '@_' } }; BEGIN { - public property id => PROP_GET | PROP_OWNERSET; public property target => PROP_GET | PROP_OWNERSET; - public property parent => PROP_GET | PROP_OWNERSET; + public property methods => PROP_GET | PROP_OWNERSET; + public property childRegex => PROP_GET | PROP_OWNERSET; public property enableForms => PROP_GET | PROP_OWNERSET; - public property list => PROP_GET | PROP_OWNERSET; - public property fetch => PROP_GET | PROP_OWNERSET; - public property insert => PROP_GET | PROP_OWNERSET; - public property update => PROP_GET | PROP_OWNERSET; - public property delete => PROP_GET | PROP_OWNERSET; + public property orphan => PROP_GET | PROP_OWNERSET; + + public property listChildren => PROP_GET | PROP_OWNERSET; + public property fetchChild => PROP_GET | PROP_OWNERSET; + public property createChild => PROP_GET | PROP_OWNERSET; + public property updateChild => PROP_GET | PROP_OWNERSET; + public property deleteChild => PROP_GET | PROP_OWNERSET; } sub CTOR { @@ -37,108 +40,25 @@ die ArgumentException->new("id","Identifier is required for non-root resources") if $this->id and not length $this->id; die ArgumentException->new("target") unless $this->target; + die ArgumentException->new("A contract is required") unless $this->contract; - if ($this->enableForms && $this->parent) { - $this->methods({}) unless $this->methods; - - if ($this->insert) { - $this->methods->{create} = { - get => sub { - my ($that,$id,$action) = @_; - return $that->target; - } - }; - } + if ($this->enableForms) { - if ($this->parent->update) { - $this->methods->{edit} = { - get => sub { - my ($that,$id,$action) = @_; - return $that->target; - }, - post => sub { - my ($that,$id,$action) = @_; - return $that->parent->PutImpl($that->id,$action); - } - }; - } - - if ($this->parent->delete) { - $this->methods->{delete} = { - get => sub { - my ($that,$id,$action) = @_; - return $that->target; - }, - post => sub { - my ($that,$id,$action) = @_; - return $that->parent->DeleteImpl($that->id,$action); - } - }; - } } } -sub GetHttpImpl { - my($this,$method) = @_; - - my %map = ( - GET => 'GetImpl', - PUT => 'PutImpl', - POST => 'PostImpl', - DELETE => 'DeleteImpl' - ); - - return $map{$method}; -} - -sub InvokeHttpMethod { - my ($this,$method,$childId,$action) = @_; - - my $impl = $this->GetHttpImpl($method) || 'HttpFallbackImpl'; - - return $this->$impl($childId,$action); -} - sub GetImpl { - my ($this,$id,$action) = @_; + my ($this,$action) = @_; - my $rx; - my $method; - if (length $id == 0) { - $method = $this->list or die ForbiddenException->new(); - } elsif ($this->methods and $method = $this->methods->{$id}->{get}) { - # we got method info - } elsif($rx = $this->childRegex and $id =~ m/$rx/ ) { - $method = $this->fetch or die ForbiddenException->new(); - - $method = { - method => $method, - parameters => [qw(id)] - } unless ref $method; - - } else { - die ForbiddenException->new(); - } - - return $this->InvokeMember($method,$id,$action); + return $this->target; } sub PutImpl { - my ($this,$id,$action) = @_; + my ($this,$action) = @_; - my $rx = $this->childRegex; - if ( $rx and $id =~ m/$rx/ and $this->update ) { - my $method = $this->update or die ForbiddenException->new(); - - $method = { - method => $method, - parameters => [qw(id query)] - } unless ref $method; - - return $this->InvokeMember($method,$id,$action); - } else { - die ForbiddenException->new(); - } + die ForbiddenException->new() if $this->orhpan; + + $this->parent->UpdateImpl($this->id,$action); } sub PostImpl { @@ -183,6 +103,50 @@ die ForbiddenException->new(); } +sub UpdateImpl { + my ($this,$id,$action) = @_; + + my $method = $this->updateChild or die ForbiddenException->new(); + $this->InvokeMember($method,$action); +} + +sub FetchChildResource { + my ($this,$id,$action) = @_; + + my $rx = $this->childRegex; + my $method; + my %params = ( + parent => $this, + id => $id + ); + + if (length $id == 0) { + + $method = $this->list; + die ForbiddenException->new() unless $method; + + return $this->contract->Transform( $this->InvokeMember($method,$id,$action), \%params ); + + } elsif ($method = $this->methods->{$id}) { + # поскольку данный объект был получен не как дочерний объект, + # а как выполнение метода, то для него не определены операции + # put и delete по умолчанию. + $params{orphan} = 1; + + return $this->contract->Transform( $this->InvokeMember($method,$id,$action), \%params ); + + } elsif ($rx and $id =~ m/^$rx$/ and $method = $this->fetch) { + # ok + } else { + die ForbiddenException->new(); + } + + my $res = $this->InvokeMember($method,$id,$action); + die NotFoundException->new() unless defined $res; + + return $this->contract->Transform($res, {parent => $this, id => $id} ); +} + sub InvokeMember { my ($this,$method,$id,$action) = @_; @@ -332,6 +296,10 @@ Каждый ресурс представляет собой коллекцию и реализует методы C<HTTP> C<GET,POST,PUT,DELETE>. +Ресурсы выстраиваются в иерархию, на основе пути. Поиск конечного реурса происходит последовательным +вызовом метода GET с именем очередного ресурса. + + =head2 HTTP METHODS =head3 C<GET> @@ -373,8 +341,8 @@ =head1 BROWSER COMPATIBILITY Однако существует проблема с браузерами, поскольку тег C<< <form> >> реализет только методы -C<GET,POST>. Для решения данной проблемы используется режим совместимости C<compatible>. В -случае когда данный режим активен, автоматически публикуются дочерние C<create,edit,delete>. +C<GET,POST>. Для решения данной проблемы используется режим совместимости C<enableForms>. В +случае когда данный режим активен, автоматически публикуются дочерние ресурсы C<create,edit,delete>. =head2 C<GET create>
--- a/Lib/IMPL/Web/Handler/TTView.pm Mon Apr 23 01:36:52 2012 +0400 +++ b/Lib/IMPL/Web/Handler/TTView.pm Tue Apr 24 02:34:49 2012 +0400 @@ -68,12 +68,11 @@ [url-template] [class] => template -shoes/ => product/list +shoes * => product/list {action:*.} @My::Data::Product => product/{action} =end text - =cut
--- a/Lib/IMPL/Web/RestContract.pm Mon Apr 23 01:36:52 2012 +0400 +++ b/Lib/IMPL/Web/RestContract.pm Tue Apr 24 02:34:49 2012 +0400 @@ -30,7 +30,7 @@ if (ref $t eq 'HASH') { my $factory = $t->{factory} || TRestResource; - return $factory->new(%$t, target => $obj, %$props); + return $factory->new(%$t, target => $obj, contract => $this, %$props); } elsif (ref $t eq 'CODE') { return $this->$t($obj,$props); } else {