Changes to get better APSOIL / Googe Earth integration.

API/Services/CSV.cs

@@ -0,0 +1,102 @@
+using System.Data;
+using System.Globalization;
+
+namespace API.Services;
+
+public static class CSV
+{
+    /// <summary>
+    /// Converts the soils to a CSV string.
+    /// </summary>
+    public static string ToCSV(this DataTable table)
+    {
+        StringWriter writer = new();
+        DataTableToText(table, 0, ",", true, writer);
+        return writer.ToString();
+    }
+
+    /// <summary>
+    /// Write the specified DataTable to a CSV string, excluding the specified column names.
+    /// </summary>
+    static private void DataTableToText(DataTable data, int startColumnIndex, string delimiter, bool showHeadings, TextWriter writer, bool excelFriendly = false, string decimalFormatString = "F3")
+    {
+        // Convert the data table to a table of strings. This will make it easier for
+        // calculating widths.
+        DataTable stringTable = new DataTable();
+        foreach (DataColumn col in data.Columns)
+            stringTable.Columns.Add(col.ColumnName, typeof(string));
+        foreach (DataRow row in data.Rows)
+        {
+            DataRow newRow = stringTable.NewRow();
+            foreach (DataColumn column in data.Columns)
+                newRow[column.Ordinal] = ConvertObjectToString(row[column], decimalFormatString);
+            stringTable.Rows.Add(newRow);
+        }
+
+        //Sort Rows by SimulationName in alphabetical order
+        if (stringTable.Columns.Contains("SimulationName"))
+        {
+            DataView dv = stringTable.DefaultView;
+            dv.Sort = "SimulationName ASC";
+            if (stringTable.Columns.Contains("Clock.Today"))
+                dv.Sort += ", Clock.Today ASC";
+            stringTable = dv.ToTable();
+        }
+
+        // Need to work out column widths
+        List<int> columnWidths = new List<int>();
+        foreach (DataColumn column in stringTable.Columns)
+        {
+            int width = column.ColumnName.Length;
+            foreach (DataRow row in stringTable.Rows)
+                width = System.Math.Max(width, row[column].ToString().Length);
+            columnWidths.Add(width);
+        }
+
+        // Write out column headings.
+        if (showHeadings)
+        {
+            for (int i = startColumnIndex; i < stringTable.Columns.Count; i++)
+            {
+                if (i > startColumnIndex)
+                    writer.Write(delimiter);
+                if (excelFriendly)
+                    writer.Write(stringTable.Columns[i].ColumnName);
+                else
+                    writer.Write(stringTable.Columns[i].ColumnName);
+            }
+            writer.Write(Environment.NewLine);
+        }
+
+        // Write out each row.
+        foreach (DataRow row in stringTable.Rows)
+        {
+            for (int i = startColumnIndex; i < stringTable.Columns.Count; i++)
+            {
+                if (i > startColumnIndex)
+                    writer.Write(delimiter);
+                if (excelFriendly)
+                    writer.Write(row[i]);
+                else
+                    writer.Write(row[i]);
+            }
+            writer.Write(Environment.NewLine);
+        }
+    }
+
+    /// <summary>
+    /// Convert the specified object to a string.
+    /// </summary>
+    private static string ConvertObjectToString(object obj, string decimalFormatString)
+    {
+        if (obj is DateTime)
+        {
+            DateTime D = Convert.ToDateTime(obj, CultureInfo.InvariantCulture);
+            return D.ToString("yyyy-MM-dd");
+        }
+        else if (obj is float || obj is double)
+            return string.Format("{0:" + decimalFormatString + "}", obj);
+        else
+            return obj.ToString();
+    }
+}

API/Services/KML.cs

@@ -91,7 +91,8 @@ private static Placemark ToPlacemark(this Models.Soil soil)
             {
                 Text = $"<p><b>{soil.Name}</b></p>" +
                        $"<p>{soil.DataSource}</p>" +
-                       $"<a href=\"https://apsoil.apsim.info/search?FullName={soil.FullName}&output=FullSoil\">Download soil</a></p>" +
+                       $"<a href=\"https://apsoil.apsim.info/search?FullName={soil.FullName}&output=CSV\">Download soil as .csv</a></p>" +
+                       $"<a href=\"https://apsoil.apsim.info/search?FullName={soil.FullName}&output=FullSoilFile\">Download soil as XML</a></p>" +
                        $"<img src=\"https://apsoil.apsim.info/graph?FullName={soil.FullName}\" width=\"300\" height=\"400\"/><p>"
             }
         };