util/FoodooImporter.cs

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+using System;
+using System.Text;
+using System.Threading.Tasks;
+using System.Collections.Generic;
+using System.Linq;
+using Microsoft.EntityFrameworkCore;
+using GZTW.Pecklist.Models;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+using System.IO;
+
+namespace GZTW.Pecklist.Util
+{
+    public static class FoodooImporter
+    {
+        public static void Import(PecklistContext ct)
+        {
+            //open and read in the GZListServerBackup.bak file into a json object
+            //https://www.newtonsoft.com/json/help/html/LINQtoJSON.htm
+            string sfoo = GetBackupFile();
+            JArray jin = JArray.Parse(sfoo);
+            JArray jout = new JArray();
+
+            foreach (JObject i in jin)
+            {
+                JObject o = new JObject();
+                o["name"] = (string)i["name"];
+                o["id"] = Util.ShortId.Generate();
+                o["name_v"] = (long)i["name_v"];
+                o["v"] = (long)i["v"];
+                JArray oitems = new JArray();
+                foreach (JObject l in i["items"])
+                {
+                    JObject oitem = new JObject();
+                    oitem["id"] = Util.ShortId.Generate();
+                    oitem["completed"] = (bool)l["completed"];
+                    oitem["text"] = (string)l["text"];
+                    oitem["v"] = (long)l["v"];
+                    var highlight = (bool?)l["highlight"];
+                    if (highlight == null)
+                    {
+                        oitem["priority"] = 1;//default priority
+                    }
+                    else
+                    {
+                        oitem["priority"] = 3;//highest priority
+                    }
+                    oitems.Add(oitem);
+                }
+                o["items"] = oitems;
+                jout.Add(o);
+            }
+
+            //write it into the db
+            ListData ldat = new ListData();
+
+            //this is the most compact way to write the json out as text
+            ldat.TheList = JsonConvert.SerializeObject(jout);           
+            
+            ct.ListData.Add(ldat);
+            ct.SaveChanges();
+        }
+
+
+
+        private static string GetBackupFile()
+        {
+            try
+            {   // Open the text file using a stream reader.
+                using (StreamReader sr = new StreamReader("./db/GZListServerBackup.bak"))
+                {
+                    // Read the stream to a string, and write the string to the console.
+                    String line = sr.ReadToEnd();
+                    return line;
+                }
+            }
+            catch
+            {
+                return null;
+            }
+
+        }
+
+        //--------
+    }
+}