+#!/usr/bin/env perl
+
+use lib 'common/mojo/lib';
+
+use Mojolicious::Lite;
+use Data::Dump qw(dump);
+use Time::HiRes;
+use Clone qw(clone);
+use Mojo::UserAgent;
+
+sub new_uuid { Time::HiRes::time * 100000 }
+
+# based on
+# http://docs.getangular.com/REST.Basic
+# http://angular.getangular.com/data
+
+push @{app->static->paths}, 'app';
+
+
+my $couchdb = $ENV{COUCHDB} || 'http://localhost:5984';
+my $client = Mojo::UserAgent->new;
+
+sub _couchdb_put {
+ my ( $url, $data ) = @_;
+
+ $data->{'$entity'} = $1 if $url =~ m{/(\w+)\.\d+/$/};
+
+ my $json = Mojo::JSON->new->encode( $data );
+
+ my $rev;
+
+ warn "# _couchdb_put $url = $json";
+ return $client->put( "$couchdb/$url" => $json)->res->json;
+}
+
+sub _couchdb_get {
+ my ( $url ) = @_;
+ my $return = $client->get( "$couchdb/$url" )->res->json;
+ warn "# _couchdb_get $url = ",dump($return);
+ return $return;
+}
+
+
+our $id2nr;
+
+
+sub _render_jsonp {
+ my ( $self, $json ) = @_;
+#warn "## _render_json ",dump($json);
+ my $data = $self->render( json => $json, partial => 1 );
+warn "## _render_json $data";
+ if ( my $callback = $self->param('callback') ) {
+ $data = "$callback($data)";
+ }
+ $self->render( data => $data, format => 'js' );
+}
+
+#get '/' => 'index';
+
+
+get '/data/' => sub {
+ my $self = shift;
+ _render_jsonp( $self, _couchdb_get('/_all_dbs') );
+};
+
+get '/data/:database' => sub {
+ my $self = shift;
+ my $database = $self->param('database');
+
+ my $list_databases = { name => $database };
+
+ my $counts = _couchdb_get("/$database/_design/entity/_view/counts?group=true");
+ if ( exists $counts->{error} ) {
+ warn "creating CouchDB view because of ", dump($counts);
+ _couchdb_put "/$database/_design/entity", {
+ _id => '_design/entity',
+ language => 'javascript',
+ views => {
+ counts => {
+ map => q| function(doc) { emit(doc._id.split('.')[0],1); } |,
+ reduce => q| function(keys,values,rereduce) { return sum(values); } |,
+ }
+ }
+ };
+ $counts = _couchdb_get("/$database/_design/entity/_view/counts?group=true")
+ || die "give up!";
+ }
+
+ warn "# counts ",dump($counts);
+
+ foreach my $row ( @{ $counts->{rows} } ) {
+ my $n = $row->{value};
+ $list_databases->{entities}->{ $row->{key} } = $n;
+ $list_databases->{document_counts} += $n;
+ }
+ warn dump($list_databases);
+ _render_jsonp( $self, $list_databases );
+};
+
+get '/data/:database/:entity' => sub {
+ my $self = shift;
+
+ my $database = $self->param('database');
+ my $entity = $self->param('entity');
+
+ my $endkey = $entity;
+ $endkey++;
+
+ my $counts = _couchdb_get qq|/$database/_all_docs?startkey="$entity";endkey="$endkey";include_docs=true|;
+ warn "# counts ",dump($counts);
+
+ _render_jsonp( $self, [ map { $_->{doc} } @{ $counts->{rows} } ] )
+};
+
+get '/data/:database/:entity/:id' => sub {
+ my $self = shift;
+
+ my $database = $self->param('database');
+ my $entity = $self->param('entity');
+ my $id = $self->param('id');
+
+ _render_jsonp( $self, _couchdb_get( "/$database/$entity.$id" ) );
+};
+
+any [ 'post' ] => '/data/:database/:entity' => sub {
+ my $self = shift;
+ my $database = $self->param('database');
+ my $entity = $self->param('entity');
+ my $json = $self->req->json;
+ my $id = $json->{'$id'} # XXX we don't get it back from angular.js
+ || new_uuid;
+ warn "## $database $entity $id body ",dump($self->req->body, $json);
+
+ $json->{'$id'} ||= $id; # make sure $id is in there
+
+ my $new = _couchdb_put "/$database/$entity.$id" => $json;
+ warn "new: ",dump($new);
+ if ( $new->{ok} ) {
+ $json->{'_'.$_} = $new->{$_} foreach ( 'rev','id' );
+ } else {
+ warn "ERROR: ",dump($new);
+ $json->{error} = $new;
+ }
+
+ _render_jsonp( $self, $json );
+};
+
+
+#get '/' => sub { shift->redirect_to('/app/') };
+
+# CouchDB proxy for _design _view
+
+get '/:database/_design/:design/_view/:view' => sub {
+ my $self = shift;
+ my $url = join('/', $self->param('database'),'_design',$self->param('design'),'_view',$self->param('view') );
+ my $param = $self->req->url->query->clone->remove('callback')->to_string;
+ $url .= '?' . $param if $param;
+ warn "CouchDB proxy $url";
+ _render_jsonp( $self, _couchdb_get($url));
+};
+
+# static JSON files from public/json/database/entity/json
+
+get '/json' => sub {
+ _render_jsonp( shift, [ map { s{public/json/}{}; $_ } glob 'public/json/*' ] );
+};
+
+get '/json/:database' => sub {
+ my $self = shift;
+ my $database = $self->param('database');
+
+ my $status = {
+ document_counts => 0,
+ name => $database,
+ };
+
+ foreach my $path ( glob "public/json/$database/*" ) {
+ my @entities = glob "$path/*";
+ $path =~ s{public/json/$database/}{};
+ $status->{entities}->{$path} = scalar @entities;
+ $status->{document_counts}++;
+ }
+
+ _render_jsonp( $self, $status );
+};
+
+get '/json/:database/:entity' => sub {
+ my $self = shift;
+
+ my $database = $self->param('database');
+ my $entity = $self->param('entity');
+
+ my $path = "public/json/$database/$entity";
+ die "$path: $!" unless -d $path;
+
+ my $docs;
+ foreach my $path ( sort glob "$path/*" ) {
+ open(my $fh, '<', $path) || die $!;
+ local $/ = undef;
+ my $str = <$fh>;
+ warn "# $path $str";
+ my $data = Mojo::JSON->new->decode( $str );
+ $data->{_key} = $1 if $path =~ m{/([^/]+$)};
+ push @$docs, $data;
+ }
+
+ _render_jsonp( $self, $docs )
+};
+
+get '/_utils/script/(*url)' => sub { $_[0]->proxy_to( "$couchdb/_utils/script/" . $_[0]->param('url') , with_query_params => 1 ) };
+
+app->start;
+__DATA__
+
+@@ index.html.ep
+% layout 'funky';
+Yea baby!
+
+@@ layouts/funky.html.ep
+<!doctype html><html>
+ <head><title>Funky!</title></head>
+ <body><%== content %></body>
+</html>
+
+@@ layouts/angular.html.ep
+<!DOCTYPE HTML>
+<html xmlns:ng="http://angularjs.org">
+ <head>
+ <meta charset="utf-8">
+% my $ANGULAR_JS = $ENV{ANGULAR_JS} || ( -e 'public/angular/build/angular.js' ? '/angular/build/angular.js' : '/angular/src/angular-bootstrap.js' );
+ <script type="text/javascript"
+ src="<%== $ANGULAR_JS %>" ng:autobind></script>
+ </head>
+ <body><%== content %></body>
+</html>