From 7614dc8ff0318e14e1cd7a590ee817ce5050923e Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@finalrewind.org>
Date: Fri, 6 Mar 2015 19:48:47 +0100
Subject: barform: add optional filters (TODO: Lol Encoding)

---
 index.pl                  | 42 ++++++++++++++++++++++++++++++++++++++++-
 public/css/default.css    | 16 ++++++++++++++++
 templates/barform.html.ep | 48 +++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 105 insertions(+), 1 deletion(-)

diff --git a/index.pl b/index.pl
index 108539c..a44c0bd 100644
--- a/index.pl
+++ b/index.pl
@@ -91,6 +91,46 @@ helper barplot_args => sub {
 	};
 };
 
+helper barplot_filters => sub {
+	my ($self) = @_;
+	my $dbh = $self->app->dbh;
+
+	my $ret = {
+		lines => [
+			map { $_->[0] } @{
+				$dbh->selectall_arrayref(
+"select distinct train_type || ' ' || line_no as line from $table order by line"
+				)
+			}
+		],
+		train_types => [
+			q{},
+			map { $_->[0] } @{
+				$dbh->selectall_arrayref(
+					"select distinct train_type from $table order by train_type"
+				)
+			}
+		],
+		stations => [
+			q{},
+			map { $_->[0] } @{
+				$dbh->selectall_arrayref(
+					"select distinct station from $table order by station")
+			}
+		],
+		destinations => [
+			q{},
+			map { $_->[0] } @{
+				$dbh->selectall_arrayref(
+"select distinct destination from $table order by destination"
+				)
+			}
+		],
+	};
+
+	return $ret;
+};
+
 helper count_unique_column => sub {
 	my ( $self, $column ) = @_;
 	my $dbh = $self->app->dbh;
@@ -294,7 +334,7 @@ get '/2ddata.tsv' => sub {
 get '/' => sub {
 	my $self = shift;
 
-	$self->render('intro', version => $VERSION);
+	$self->render( 'intro', version => $VERSION );
 	return;
 };
 
diff --git a/public/css/default.css b/public/css/default.css
index 7b37068..dec73f2 100644
--- a/public/css/default.css
+++ b/public/css/default.css
@@ -10,6 +10,22 @@ input.dimension {
 	width: 4em;
 }
 
+input.delay {
+	width: 3em;
+}
+
+div.field {
+	width: 100%;
+	clear: both;
+}
+
+div.field div.desc {
+	float: left;
+	width: 12em;
+	text-align: right;
+	padding-right: 0.5em;
+}
+
 svg {
   font: 10px sans-serif;
 }
diff --git a/templates/barform.html.ep b/templates/barform.html.ep
index 62c8bda..6b23fe2 100644
--- a/templates/barform.html.ep
+++ b/templates/barform.html.ep
@@ -1,3 +1,4 @@
+<div>
 % if (not defined param('want_msg')) {
 %   param(want_msg => 0);
 % }
@@ -25,4 +26,51 @@ x
 %= text_field 'height' => 500, class => 'dimension'
 Pixel.
 %= submit_button 'Go'
+<br/>
+% my $filter_opts = $self->barplot_filters;
+Optionale Einschränkungen:
+<div class="field">
+  <div class="desc">
+    Linie:
+  </div>
+  <div>
+    %= select_field filter_line => [map {[$_, $_]} @{$filter_opts->{lines}} ]
+  </div>
+</div>
+<div class="field">
+  <div class="desc">
+    Zugtyp:
+  </div>
+  <div>
+    %= select_field filter_train_type => [map {[$_, $_]} @{$filter_opts->{train_types}} ]
+  </div>
+</div>
+<div class="field">
+  <div class="desc">
+    Bahnhof:
+  </div>
+  <div>
+    %= select_field filter_station => [map {[$_, $_]} @{$filter_opts->{stations}} ]
+  </div>
+</div>
+<div class="field">
+  <div class="desc">
+    Zielbahnhof:
+  </div>
+  <div>
+    %= select_field filter_destination => [map {[$_, $_]} @{$filter_opts->{destinations}} ]
+  </div>
+</div>
+<div class="field">
+  <div class="desc">
+    Verspätung zwischen
+  </div>
+  <div>
+    %= text_field 'filter_delay_min', class => 'delay', placeholder => '-∞'
+    und
+    %= text_field 'filter_delay_max', class => 'delay', placeholder => '+∞'
+    Minuten (inklusive).
+  </div>
+</div>
 % end
+<div>
-- 
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