From 542fe6634be57bc731f8dd0aa32897c414e8dc99 Mon Sep 17 00:00:00 2001
From: Maciej Ziarkowski <maciej.ziarkowski@gmail.com>
Date: Thu, 11 Mar 2021 19:16:37 +0000
Subject: [PATCH] Add simple dynamics map definition

---
 app/map_styles/polygon.xml      | 30 ++++++++++++++++++++++++++++++
 app/src/tiles/dataDefinition.ts |  7 +++++++
 2 files changed, 37 insertions(+)

diff --git a/app/map_styles/polygon.xml b/app/map_styles/polygon.xml
index d122482d..1debdc17 100644
--- a/app/map_styles/polygon.xml
+++ b/app/map_styles/polygon.xml
@@ -507,4 +507,34 @@
             <LineSymbolizer stroke="#888" stroke-width="3.0"/>
         </Rule>
     </Style>
+    <Style name="dynamics_demolished_count">
+        <Rule>
+            <Filter>[demolished_buildings_count] &gt;= 7</Filter>
+            <PolygonSymbolizer fill="#bd0026" />
+        </Rule>
+        <Rule>
+            <Filter>[demolished_buildings_count] = 6</Filter>
+            <PolygonSymbolizer fill="#e31a1c" />
+        </Rule>
+        <Rule>
+            <Filter>[demolished_buildings_count] = 5</Filter>
+            <PolygonSymbolizer fill="#fc4e2a" />
+        </Rule>
+        <Rule>
+            <Filter>[demolished_buildings_count] = 4</Filter>
+            <PolygonSymbolizer fill="#fd8d3c" />
+        </Rule>
+        <Rule>
+            <Filter>[demolished_buildings_count] = 3</Filter>
+            <PolygonSymbolizer fill="#feb24c" />
+        </Rule>
+        <Rule>
+            <Filter>[demolished_buildings_count] = 2</Filter>
+            <PolygonSymbolizer fill="#fed976" />
+        </Rule>
+        <Rule>
+            <Filter>[demolished_buildings_count] = 1</Filter>
+            <PolygonSymbolizer fill="#ffe8a9" />
+        </Rule>
+    </Style>
 </Map>
diff --git a/app/src/tiles/dataDefinition.ts b/app/src/tiles/dataDefinition.ts
index fa3913b6..45227491 100644
--- a/app/src/tiles/dataDefinition.ts
+++ b/app/src/tiles/dataDefinition.ts
@@ -133,6 +133,13 @@ const LAYER_QUERIES = {
             buildings
         WHERE
             current_landuse_order IS NOT NULL`,
+    dynamics_demolished_count: `
+        SELECT
+            geometry_id,
+            jsonb_array_length(demolished_buildings) as demolished_buildings_count
+        FROM
+            buildings
+        WHERE jsonb_array_length(demolished_buildings) > 0`,
 };
 
 const GEOMETRY_FIELD = 'geometry_geom';