From bec6277706da00ec7c6f6b07584509e7871a32cb Mon Sep 17 00:00:00 2001
From: Mateusz Konieczny <matkoniecz@gmail.com>
Date: Mon, 21 Nov 2022 22:10:44 +0100
Subject: [PATCH] add special empty map

I am deeply unhappy about ugly disclaimer handling though right now I have no good ideas how to provide nicer display
---
 app/map_styles/polygon.xml                      | 2 ++
 app/src/frontend/config/category-maps-config.ts | 9 +++++++++
 app/src/frontend/config/tileserver-config.ts    | 1 +
 app/src/frontend/map/legend.tsx                 | 2 +-
 app/src/tiles/dataDefinition.ts                 | 9 ++++++++-
 5 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/app/map_styles/polygon.xml b/app/map_styles/polygon.xml
index 2b34ac7d..954d3231 100644
--- a/app/map_styles/polygon.xml
+++ b/app/map_styles/polygon.xml
@@ -308,6 +308,8 @@
             <LineSymbolizer stroke="#888" stroke-width="3.0"/>
         </Rule>
     </Style>
+    <Style name="empty_map">
+    </Style>
     <Style name="conservation_area">
         <Rule>
             <PolygonSymbolizer fill="#73ebaf" />
diff --git a/app/src/frontend/config/category-maps-config.ts b/app/src/frontend/config/category-maps-config.ts
index 277bb90b..5d35d865 100644
--- a/app/src/frontend/config/category-maps-config.ts
+++ b/app/src/frontend/config/category-maps-config.ts
@@ -270,6 +270,15 @@ export const categoryMapsConfig: {[key in Category]: CategoryMapDefinition[]} =
                     { color: '#8500d4', text: 'In Archaeological Priority Area'},
                 ]
             },
+        },
+        {
+            mapStyle: 'empty_map',
+            legend: {
+                title: 'Empty map',
+                disclaimer: 'This is an empty map to see overlays without distraction.',
+                elements: [
+                ]
+            },
         }
     ],
     [Category.Sustainability]: [{
diff --git a/app/src/frontend/config/tileserver-config.ts b/app/src/frontend/config/tileserver-config.ts
index 7f4d0e18..60353801 100644
--- a/app/src/frontend/config/tileserver-config.ts
+++ b/app/src/frontend/config/tileserver-config.ts
@@ -17,6 +17,7 @@ export type BuildingMapTileset = 'date_year' |
     'planning_applications_status' |
     'planning_applications_status_secretary_of_state' |
     'planning_combined' |
+    'empty_map' |
     'sust_dec' |
     'building_attachment_form' |
     'landuse' |
diff --git a/app/src/frontend/map/legend.tsx b/app/src/frontend/map/legend.tsx
index adfce25d..5f86fcfd 100644
--- a/app/src/frontend/map/legend.tsx
+++ b/app/src/frontend/map/legend.tsx
@@ -81,7 +81,7 @@ export const Legend : FC<LegendProps> = ({
             }
             {
                 elements.length === 0 ?
-                    <p className="data-intro">Coming soon…</p> :
+                    ( disclaimer ? <ul className={collapseList ? 'collapse data-legend' : 'data-legend'} ><p className='legend-disclaimer'>{disclaimer}</p></ul> : <p className="data-intro">Coming soon…</p>) :
                     <ul className={collapseList ? 'collapse data-legend' : 'data-legend'} >
                         {
                             disclaimer && <p className='legend-disclaimer'>{disclaimer}</p>
diff --git a/app/src/tiles/dataDefinition.ts b/app/src/tiles/dataDefinition.ts
index ec2b0e5f..3b7420f6 100644
--- a/app/src/tiles/dataDefinition.ts
+++ b/app/src/tiles/dataDefinition.ts
@@ -193,7 +193,14 @@ const LAYER_QUERIES = {
             OR planning_heritage_at_risk_url <> ''
             OR planning_in_apa_url <> ''
             `,
-    conservation_area: `
+    empty_map: `
+        SELECT
+            geometry_id
+        FROM
+            buildings
+        WHERE
+            sust_dec IS NOT NULL`,
+        conservation_area: `
         SELECT
             geometry_id
         FROM