Initial resumable file upload.

Other changes.

FarmmapsApi/Models/FileRequest.cs

@@ -0,0 +1,45 @@
+using System.ComponentModel.DataAnnotations;
+using Newtonsoft.Json.Linq;
+
+namespace FarmmapsApi.Models
+{
+    public class FileRequest
+    {
+        /// <summary>
+        /// Code of the parent
+        /// </summary>
+        /// <example>41971e7ea8a446069a817e66b608dcae</example>
+        public string ParentCode { get; set; }
+
+        /// <summary>
+        /// Geometry meta data
+        /// </summary>
+        /// <example>{"type": "Point","coordinates": [5.27, 52.10]}</example>
+        public JObject Geometry { get; set; }
+
+        /// <summary>
+        /// Name of the file to upload
+        /// </summary>
+        /// <example>MyFile.tiff</example>
+        [Required]
+        public string Name { get; set; }
+
+        /// <summary>
+        /// Size of the file to upload
+        /// </summary>
+        /// <example>67351</example>      
+        [Required]
+        public long Size { get; set; }
+
+        /// <summary>
+        /// If a chunked upload, the size of a single chunk
+        /// </summary>   
+        /// <example>1048576</example>
+        public long ChunkSize { get; set; }
+
+        /// <summary>
+        /// Optional data for the item coupled with the file
+        /// </summary>
+        public JObject Data { get; set; }
+    }
+}