Fix for ability to import keyboard in device import #94

As per request #94 this extends functionality when importing/exporting
devices by adding a keyboard field.

Disco.Models/Services/Devices/Exporting/DeviceExportOptions.cs

@@ -50,6 +50,8 @@ namespace Disco.Models.Services.Devices.Exporting
         public bool DetailACAdapter { get; set; }
         [Display(ShortName = "Details", Name = "Battery", Description = "The Battery associated with the device")]
         public bool DetailBattery { get; set; }
+        [Display(ShortName = "Details", Name = "Keyboard", Description = "The Keyboard associated with the device")]
+        public bool DetailKeyboard { get; set; }
 
         // Model
         [Display(ShortName = "Model", Name = "Identifier", Description = "The identifier of the device model associated with the device")]

Disco.Models/Services/Devices/Importing/DeviceImportFieldTypes.cs

@@ -30,6 +30,8 @@ namespace Disco.Models.Services.Devices.Importing
         DetailACAdapter,
         [Display(Name = "Device Battery", Description = "The Battery associated with the device")]
         DetailBattery,
+        [Display(Name = "Device Keyboard", Description = "The Keyboard associated with the device")]
+        DetailKeyboard,
 
         [Display(Name = "Model Identifier", Description = "The identifier of the device model associated with the device")]
         ModelId,

Disco.Services/Devices/Exporting/DeviceExport.cs

@@ -143,7 +143,8 @@ namespace Disco.Services.Devices.Exporting
                 DeviceDetail.HardwareKeyLanMacAddress,
                 DeviceDetail.HardwareKeyWLanMacAddress,
                 DeviceDetail.HardwareKeyACAdapter,
-                DeviceDetail.HardwareKeyBattery
+                DeviceDetail.HardwareKeyBattery,
+                DeviceDetail.HardwareKeyKeyboard
             };
 
             return Devices.Select(d => new DeviceExportRecord()
@@ -225,6 +226,7 @@ namespace Disco.Services.Devices.Exporting
             yield return new Tuple<string, Func<DeviceExportRecord, string>, bool>("DetailWLanMacAddress", r => r.DeviceDetails.Where(dd => dd.Key == DeviceDetail.HardwareKeyWLanMacAddress).Select(dd => dd.Value).FirstOrDefault(), true);
             yield return new Tuple<string, Func<DeviceExportRecord, string>, bool>("DetailACAdapter", r => r.DeviceDetails.Where(dd => dd.Key == DeviceDetail.HardwareKeyACAdapter).Select(dd => dd.Value).FirstOrDefault(), true);
             yield return new Tuple<string, Func<DeviceExportRecord, string>, bool>("DetailBattery", r => r.DeviceDetails.Where(dd => dd.Key == DeviceDetail.HardwareKeyBattery).Select(dd => dd.Value).FirstOrDefault(), true);
+            yield return new Tuple<string, Func<DeviceExportRecord, string>, bool>("DetailKeyboard", r => r.DeviceDetails.Where(dd => dd.Key == DeviceDetail.HardwareKeyKeyboard).Select(dd => dd.Value).FirstOrDefault(), true);
 
             // Model
             yield return new Tuple<string, Func<DeviceExportRecord, string>, bool>("ModelId", r => r.ModelId.HasValue ? r.ModelId.Value.ToString() : null, false);

Disco.Services/Devices/Importing/DeviceImport.cs

@@ -32,6 +32,7 @@ namespace Disco.Services.Devices.Importing
                 { DeviceImportFieldTypes.DetailWLanMacAddress, typeof(DetailWLanMacAddressImportField) },
                 { DeviceImportFieldTypes.DetailACAdapter, typeof(DetailACAdapterImportField) },
                 { DeviceImportFieldTypes.DetailBattery, typeof(DetailBatteryImportField) },
+                { DeviceImportFieldTypes.DetailKeyboard, typeof(DetailKeyboardImportField) },
 
                 { DeviceImportFieldTypes.ModelId, typeof(ModelIdImportField) },
 

Disco.Services/Devices/Importing/Fields/DetailKeyboardImportField.cs

@@ -0,0 +1,98 @@
+using Disco.Data.Repository;
+using Disco.Models.Repository;
+using Disco.Models.Services.Devices.Importing;
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Linq;
+
+namespace Disco.Services.Devices.Importing.Fields
+{
+    internal class DetailKeyboardImportField : DeviceImportFieldBase
+    {
+        private string parsedValue;
+        private string previousValue;
+
+        public override DeviceImportFieldTypes FieldType { get { return DeviceImportFieldTypes.DetailKeyboard; } }
+
+        public override object RawParsedValue { get { return parsedValue; } }
+        public override string FriendlyValue { get { return parsedValue; } }
+        public override string FriendlyPreviousValue { get { return previousValue; } }
+
+        public override bool Parse(DiscoDataContext Database, IDeviceImportCache Cache, DeviceImportContext Context, int RecordIndex, string DeviceSerialNumber, Device ExistingDevice, Dictionary<DeviceImportFieldTypes, string> Values, string Value)
+        {
+            if (string.IsNullOrWhiteSpace(Value))
+                parsedValue = null;
+            else
+            {
+                parsedValue = Value.Trim();
+            }
+
+            if (ExistingDevice == null && parsedValue != null)
+                return Success(EntityState.Added);
+            else if (ExistingDevice != null)
+            {
+                var detail = ExistingDevice.DeviceDetails.FirstOrDefault(dd => dd.Scope == DeviceDetail.ScopeHardware && dd.Key == DeviceDetail.HardwareKeyKeyboard);
+
+                if (detail == null && parsedValue == null)
+                    return Success(EntityState.Unchanged);
+                else if (detail == null && parsedValue != null)
+                {
+                    return Success(EntityState.Modified);
+                }
+                else if (detail.Value != parsedValue)
+                {
+                    previousValue = detail.Value;
+                    return Success(EntityState.Modified);
+                }
+                else
+                    return Success(EntityState.Unchanged);
+            }
+            else
+                return Success(EntityState.Unchanged);
+        }
+
+        public override bool Apply(DiscoDataContext Database, Device Device)
+        {
+            if (this.FieldAction == EntityState.Added ||
+                this.FieldAction == EntityState.Modified)
+            {
+
+                DeviceDetail detail = Database.DeviceDetails.FirstOrDefault(dd =>
+                    dd.DeviceSerialNumber == Device.SerialNumber &&
+                    dd.Scope == DeviceDetail.ScopeHardware &&
+                    dd.Key == DeviceDetail.HardwareKeyKeyboard);
+
+                if (detail == null)
+                {
+                    detail = new DeviceDetail()
+                    {
+                        Device = Device,
+                        DeviceSerialNumber = Device.SerialNumber,
+                        Scope = DeviceDetail.ScopeHardware,
+                        Key = DeviceDetail.HardwareKeyKeyboard
+                    };
+                    Database.DeviceDetails.Add(detail);
+                }
+
+                detail.Value = parsedValue;
+                return true;
+            }
+            else
+            {
+                return false;
+            }
+        }
+
+        public override int? GuessHeader(DiscoDataContext Database, DeviceImportContext Context)
+        {
+            // column name
+            var possibleColumns = Context.Header
+                .Select((h, i) => Tuple.Create(h, i))
+                .Where(h => h.Item1.Item2 == DeviceImportFieldTypes.IgnoreColumn &&
+                    h.Item1.Item1.IndexOf("keyboard", System.StringComparison.OrdinalIgnoreCase) >= 0);
+
+            return possibleColumns.Select(h => (int?)h.Item2).FirstOrDefault();
+        }
+    }
+}

Disco.Services/Disco.Services.csproj

@@ -207,6 +207,7 @@
     <Compile Include="Devices\Importing\DeviceImportRecord.cs" />
     <Compile Include="Devices\Importing\Fields\BatchIdImportField.cs" />
     <Compile Include="Devices\Importing\Fields\AssignedUserIdImportField.cs" />
+    <Compile Include="Devices\Importing\Fields\DetailKeyboardImportField.cs" />
     <Compile Include="Devices\Importing\Fields\DeviceAllowUnauthenticatedEnrolImportField.cs" />
     <Compile Include="Devices\Importing\Fields\DetailBatteryImportField.cs" />
     <Compile Include="Devices\Importing\Fields\DeviceDecommissionedReasonImportField.cs" />