Add MN sales tax layers

.gitignore

@@ -6,5 +6,6 @@ layers/dot-cams/*/data/states.js
 layers/survey-markers/states.js
 layers/tjx/data/chains.js
 layers/crop-history/data/counties.js
+layers/mn-sales-tax/data/history.js
 .direnv
 venv

layers/index.js

@@ -24,6 +24,7 @@ import cropHistory from './crop-history/index.js';
 import mnAmbulanceServiceAreas from './mn-ambulance-service-areas/layer.js';
 import upsServiceAreas from './ups/index.js';
 import fccTowersLayer from './fcc/towers/layer.js';
+import mnSalesTaxLayers from './mn-sales-tax/index.js';
 
 const layerCategories = [
     { // Base maps
@@ -114,6 +115,7 @@ const layerCategories = [
     light_pollution,
     tjx,
     cropHistory,
+    mnSalesTaxLayers,
 ];
 
 export default layerCategories;

layers/mn-sales-tax/get_data.py

@@ -0,0 +1,73 @@
+#!/usr/bin/env python3
+import os
+import urllib.request
+import urllib.parse
+
+# https://services9.arcgis.com/LLh6i97mwBitl1k5/ArcGIS/rest/services
+#
+# TODO: They have more historical data here but I'm not sure what the format is:
+#
+#     locgnrl_sales_usetax_areas_2020Q2_History_2004Q1thru2020Q2_Transposed
+layers = [
+    ('2018Q3', 'locgnrl_sales_usetax_areas_2018Q3'),
+    ('2018Q4', 'locgnrl_sales_usetax_areas_2018Q4'),
+    ('2019Q1', 'locgnrl_sales_usetax_areas_2019Q1'),
+    ('2019Q2', 'locgnrl_sales_usetax_areas_2019Q2'),
+    ('2019Q3', 'locgnrl_sales_usetax_areas_2019Q3'),
+    ('2019Q4', 'locgnrl_sales_usetax_areas_2019Q4'),
+    ('2020Q1', 'locgnrl_sales_usetax_areas_2020Q1'),
+    ('2020Q2', 'locgnrl_sales_usetax_areas_2020Q2'),
+    ('2020Q3', 'local_general_salestax_areas_2020Q3'),
+    ('2020Q4', 'local_general_salestax_areas_2020Q4'),
+    ('2021Q1', 'local_general_salestax_areas_2021Q1'),
+    ('2021Q2', 'local_general_salestax_areas_2021Q2'),
+    ('2021Q3', 'locgnrl_sales_usetax_areas_2021Q3'),
+    ('2021Q4', 'local_general_salestax_areas_2021Q4'),
+    ('2022Q1', 'local_general_salestax_areas_2022_Q1'),
+    ('2022Q2', 'local_general_salestax_areas_2022Q2'),
+    ('2022Q3', 'local_general_salestax_areas_2022Q3'),
+    ('2022Q4', 'local_general_salestax_areas_2022Q4'),
+    ('2023Q1', 'local_general_salestax_areas_2023Q1'),
+    ('2023Q2', 'locgnrl_sales_usetax_areas_2023Q2'),
+    ('2023Q3', 'local_general_salestax_areas_2023Q3'),
+    ('2023Q4', 'local_general_salestax_areas_2023Q4'),
+    ('2024Q1', 'locgnrl_sales_usetax_areas_2024Q1'),
+    ('2024Q2', 'locgnrl_sales_usetax_areas_2024Q2'),
+    ('2024Q3', 'locgnrl_sales_usetax_areas_2024Q3'),
+    ('2025Q1', 'locgnrl_sales_usetax_areas_2025Q1'),
+    ('2025Q2', 'local_general_salestax_areas_2025Q2'),
+    # ('2025Q2', 'locgnrl_sales_usetax_areas_2025Q2'), # This one also exists?
+    # ('2025Q3', 'locgnrl_sales_usetax_areas_2025Q3'), # 2025Q3 and Q4 400 bad request back? Not sure why.
+    # ('2025Q4', 'locgnrl_sales_usetax_areas_2025Q4'),
+    ('2026Q1', 'locgnrl_sales_usetax_areas_2026Q1'),
+    # ('2026Q2-test', 'test_locgnrl_sales_usetax_areas_2026Q2'),
+]
+
+BASE_URL = "https://services9.arcgis.com/LLh6i97mwBitl1k5/ArcGIS/rest/services"
+PATH="FeatureServer/0/query"
+QUERY_STRING = urllib.parse.urlencode({
+    "where": "1=1",
+    "outFields": "*",
+    "returnGeometry": "true",
+    "f": "geojson",
+    "maxAllowableOffset": "0.001"
+})
+
+os.makedirs("data", exist_ok=True)
+for layer in layers:
+    if os.path.exists(f'data/{layer[0]}.geojson'):
+        print(f"Already have {layer[0]}, skipping…")
+        continue
+    url = f"{BASE_URL}/{layer[1]}/{PATH}?{QUERY_STRING}"
+    print(f"Downloading {layer[0]}…")
+    with urllib.request.urlopen(url) as response, open(f'data/{layer[0]}.geojson', "wb") as out_file:
+        out_file.write(response.read())
+
+
+with open('data/history.js', 'w') as f:
+    for layer in layers:
+        f.write(f"import Y{layer[0]} from './{layer[0]}.geojson?url';\n")
+    f.write('\nexport default {\n')
+    for layer in layers:
+        f.write(f"    '{layer[0]}': Y{layer[0]},\n")
+    f.write("};\n")

layers/mn-sales-tax/index.js

@@ -0,0 +1,45 @@
+import GeoJSON from 'ol/format/GeoJSON.js';
+import VectorLayer from 'ol/layer/Vector.js';
+import VectorSource from 'ol/source/Vector.js';
+
+import history from './data/history.js';
+
+import { Fill, Stroke, Style, Text } from 'ol/style.js';
+
+
+function style(feature){
+    return new Style({
+        text: new Text({
+            text: feature.get('NameLabel') + ': ' + feature.get('TotalFrmal'),
+        }),
+        fill: new Fill({
+            color: 'rgba(255,255,255,0.4)',
+        }),
+        stroke: new Stroke({
+            color: '#008800',
+            width: 1.25,
+        }),
+    });
+}
+
+const layers = {
+    name: "Minnesota Sales Tax",
+    layers: [],
+};
+
+for (let [name, url] of Object.entries(history)) {
+    const layer = new VectorLayer({
+        source: new VectorSource({
+            url,
+            format: new GeoJSON,
+        }),
+        style: style,
+    });
+
+    layers.layers.push({
+        name,
+        layer,
+    });
+}
+
+export default layers;