Now Multify

[scpubgit/JSON-Tree-Viewer.git] / br.pl

diff --git a/br.pl b/br.pl
index 3bb6466..887e0df 100644 (file)
--- a/br.pl
+++ b/br.pl
@@ -25,15 +25,83 @@ sub dispatch_request {
     }
   },
   sub (/) {
-    [ $self->structure($self->root) ];
+    sub (?@host=) {
+      [ 302, [ 'Location', '/'.join('+', @{$_[1]}) ], [] ];
+    },
+    sub () {
+      $self->root_structure;
+    },
   },
   sub (/**/) {
-    [ $self->structure($self->descend($self->root, split '/', $_[1])) ];
+    $self->structure(split '/', $_[1]);
   },
 }
 
+sub root_structure {
+  my ($self) = @_;
+  my $struct = $self->mangle_structure($self->root);
+  push @{$struct->[0]{columns}}, 'select';
+  foreach my $host (@{$struct->[0]{data}}) {
+    use HTML::Tags;
+    my $name = $host->{name};
+    my $html = join '', HTML::Tags::to_html_string(
+      <input type="checkbox" name="host" value="$name" />
+    );
+    $host->{select} = \$html;
+  }
+  $struct->[0]{wrapper} = sub {
+    use HTML::Tags;
+    '  ', <form>, "\n",
+    (map /^\s*$/ ? "    $_" : $_, @_),
+    '    ', <input type="submit" value="Now Multify" />, "\n",
+    '  ', </form>, "\n"
+  };
+  return $struct;
+}
+
 sub structure {
+  my ($self, @parts) = @_;
+  if ($parts[0] =~ /\+/) {
+    ($parts[0], my @extra) = split /\+/, $parts[0];
+    my $struct = $self->mangle_structure($self->descend($self->root, @parts));
+    return $struct unless $struct->[0]{show_columns};
+    my $first = shift @parts;
+    my @rest = map [ $_, $self->mangle_structure(
+                     $self->descend($self->root, $_, @parts)
+                   )->[0] ], @extra;
+    my %by_name;
+    my %host_cols;
+    my %complex_cols;
+    foreach my $thing ([ $first, $struct->[0] ], @rest) {
+      foreach my $el (@{$thing->[1]{data}}) {
+        my $by = $by_name{$el->{name}} ||= { name => $el->{name} };
+        foreach my $key (keys %$el) {
+          next if $key eq 'name';
+          if (ref($el->{$key}) eq 'HASH') {
+            $complex_cols{$key} = 1;
+            $by->{$key} = {};
+          } else {
+            my $full_key = $key.' ('.$thing->[0].')';
+            $host_cols{$full_key} = 1;
+            $by->{$full_key} = $el->{$key};
+          }
+        }
+      }
+    }
+    return [{
+      columns => [ 'name', sort(keys %host_cols), sort(keys %complex_cols) ],
+      show_columns => 1,
+      data => [
+        map $by_name{$_}, sort keys %by_name
+      ],
+    }];
+  }
+  return $self->mangle_structure($self->descend($self->root, @parts));
+}
+
+sub mangle_structure {
   my ($self, $data) = @_;
+  return unless $data;
   if (ref($data) eq 'HASH') {
     if (keys %$data > 1
         and values %$data == grep ref($_) eq 'HASH', values %$data) {
@@ -43,46 +111,50 @@ sub structure {
         $data->{$_}->{name} ||= $_ for keys %$data;
         my @cols = grep $_ ne 'name', sort keys %{(values %$data)[0]};
         unshift @cols, 'name';
-        return {
+        return [{
           columns => \@cols,
           show_columns => 1,
           data => [ @{$data}{sort keys %$data} ],
-        }
+        }]
       }
     }
-    return {
+    return [{
       columns => [ 'key', 'value' ],
       data => [ map +{ key => $_, value => $data->{$_} }, sort keys %$data ],
-    };
+    }];
   } elsif (blessed($data) and $data->isa('IO::All::Dir')) {
-    return {
+    return [{
       columns => [ 'name', 'explore' ],
       data => [
         map +{ name => $_, explore => $self->link_to($_) }, keys %$data,
       ]
-    };
+    }];
   } else {
     die "Confused by $data";
   }
 }
 
 sub link_to {
-  my ($self, $to) = @_;
+  my ($self, @to) = @_;
   use HTML::Tags;
+  s/\//\./g for my @link = @to;
+  my $link = join('/', @link, '');
+  my $to = $to[-1];
   my $html = join '', HTML::Tags::to_html_string(
-    <a href="${to}/">, "Explore $to", </a>
+    <a href="${link}">, "Explore $to", </a>
   );
   return \$html;
 }
 
 sub descend {
   my ($self, $target, @path) = @_;
+  return unless $target;
   if (blessed($target) and $target->isa('IO::All::File')) {
     $target = $self->json->decode(scalar $target->all);
   }
   return $target unless @path;
-  my $step = shift @path;
-  $self->descend($target->{$step}, @path);
+  (my $undot = my $step = shift @path) =~ s/\./\//g;
+  $self->descend($target->{$step}||$target->{$undot}, @path);
 }
 
 sub render_table {
@@ -95,28 +167,32 @@ sub render_table {
   [ 200, [ 'Content-type' => 'text/html' ], [
     HTML::Tags::to_html_string(
       <html>, <body>, "\n",
-      <table>, "\n",
-        (map { my $el = $_;
-          '  ', <tr>,
-            (map {
-              <td>, $self->render_el($el, $_), </td>
-            } @{$el}{@{$data->{columns}}}),
-          </tr>, "\n"
-        } @rows),
-      </table>, "\n",
+      ($data->{wrapper}||sub{@_})->(
+        '', <table>, "\n",
+          (map { my $el = $_;
+            '  ', <tr>,
+              (map {
+                <td>, $self->render_el($el, $_, $el->{$_}), </td>
+              } @{$data->{columns}}),
+            </tr>, "\n"
+          } @rows),
+        '', </table>, "\n",
+      ),
       </body>, </html>, "\n",
     )
   ] ];
 }
 
 sub render_el {
-  my ($self, $whole, $part) = @_;
+  my ($self, $whole, $key, $part) = @_;
   if (ref($part) eq 'ARRAY') {
     return join(', ', @$part);
   }
   if (ref($part) eq 'HASH') {
     if ($whole->{key}) {
       return $self->link_to($whole->{key})
+    } elsif ($whole->{name}) {
+      return $self->link_to($whole->{name}, $key);
     }
     $part = '(complex)';
   }