Initial mock-up cache tool

cache.sh

@@ -0,0 +1,48 @@
+#!/bin/bash
+# Copyright (c) 2026 Elizabeth Cray
+SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+source $SCRIPT_DIR/.env
+
+if ! command -v ogr2ogr >/dev/null 2>&1; then
+    echo "ogr2ogr is not installed. Please install it and try again."
+    exit 1
+fi
+
+if ! command -v curl >/dev/null 2>&1; then
+    echo "curl is not installed. Please install it and try again."
+    exit 1
+fi
+
+if ! command -v node >/dev/null 2>&1; then
+    echo "Node.js is not installed. Please install it and try again."
+    exit 1
+fi
+
+if [ -f "$SCRIPT_DIR/osm_data.json" ]; then
+    rm "$SCRIPT_DIR/osm_data.json"
+fi
+
+curl --connect-timeout 950 --location --globoff "$OSM_QUERY" --output "$SCRIPT_DIR/osm_data.json"
+
+if [ -f "$SCRIPT_DIR/osm_data.json" ]; then
+    echo "OSM data downloaded to $SCRIPT_DIR/osm_data.json"
+    RESULTLINE=`head -n1 $SCRIPT_DIR/osm_data.json`
+    if [ -z "$RESULTLINE" ]; then
+        echo "OSM data file is empty."
+        exit 1
+    fi
+    if [[ $RESULTLINE == "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" ]]; then
+        echo "OSM data file contains an error."
+        exit 1
+    fi
+    if [ -f "$SCRIPT_DIR/osm_data.geojson" ]; then
+        rm "$SCRIPT_DIR/osm_data.geojson"
+    fi
+    node "$SCRIPT_DIR/convert_osm.js"
+    echo "OSM data converted to GeoJSON at $SCRIPT_DIR/osm_data.geojson"
+    ogr2ogr -f "PostgreSQL" PG:"$PGSQL_URL" "$SCRIPT_DIR/osm_data.geojson" -nln "$LAYER_NAME"
+    echo "OSM data imported into PostgreSQL layer $LAYER_NAME"
+else
+    echo "Failed to download OSM data."
+    exit 1
+fi