wip for todoist -> habitica syncing process

Habitica.Todoist.Integration.Services/TodoistIntegrationService.cs

@@ -0,0 +1,55 @@
+using Habitica.Todoist.Integration.Data;
+using Habitica.Todoist.Integration.Model.Storage;
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Linq;
+using Habitica.Todoist.Integration.Model.Todoist;
+using System.Threading.Tasks;
+
+namespace Habitica.Todoist.Integration.Services
+{
+    public class TodoistIntegrationService
+    {
+        private TodoistServiceClient todoistClient { get; set; }
+        private TableStorageClient storageClient { get; set; }
+
+        private string userId { get; set; }
+        private string latestSyncToken { get; set; } = string.Empty;
+
+        public TodoistIntegrationService(TodoistServiceClient todoistClient, 
+            TableStorageClient storageClient,
+            string userId)
+        {
+            this.todoistClient = todoistClient;
+            this.storageClient = storageClient;
+            this.userId = userId;
+        }
+
+        public async Task<List<Item>> ReadItemChanges()
+        {
+            var response = await todoistClient.GetItemChanges(ReadLatestSyncToken());
+            return response.Items;
+        }
+
+        public async Task CommitRead()
+        {
+            await storageClient.InsertOrUpdate(new TodoistSync(userId, latestSyncToken));
+        }
+
+        private string ReadLatestSyncToken()
+        {
+            try
+            {
+                latestSyncToken = storageClient.Query<TodoistSync>()
+                    .Where(x => x.PartitionKey == userId)
+                    .ToList()
+                    .OrderByDescending(x => x.Timestamp)
+                    .First().RowKey;
+            }
+            catch { }
+
+            return latestSyncToken;
+        }
+    }
+}