From eab4b155aca2b639c940ebd422794edd503dcee1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9my=20Filhoulaud?= <jeremy.filhoulaud@live.fr>
Date: Wed, 25 Nov 2020 15:00:58 +0100
Subject: [PATCH] Add file upload support

---
 AddOrChangeAssetPage.xaml    |  1 +
 AddOrChangeAssetPage.xaml.cs | 36 ++++++++++++++++++++++++---
 Asset.cs                     |  3 +++
 Device.cs                    | 48 +++++++++++++++++++++++++++++++++++-
 Strings/de-DE/Resources.resw |  4 +++
 Strings/en-US/Resources.resw |  6 ++++-
 Strings/fr-FR/Resources.resw |  6 ++++-
 Strings/nl-NL/Resources.resw |  4 +++
 8 files changed, 102 insertions(+), 6 deletions(-)

diff --git a/AddOrChangeAssetPage.xaml b/AddOrChangeAssetPage.xaml
index 254f4a6..6b05c2d 100644
--- a/AddOrChangeAssetPage.xaml
+++ b/AddOrChangeAssetPage.xaml
@@ -19,6 +19,7 @@
                 <TextBox x:Uid="AddAssetNameTextBox" x:Name="TextBoxName" Margin="20,2" MaxLength="30" PlaceholderText="" />
                 <TextBlock x:Uid="AddAssetUrl" Text="" HorizontalAlignment="Left" Margin="20, 20, 20, 2"/>
                 <TextBox x:Uid="AddAssetUrlTextBox" x:Name="TextBoxUrl" Margin="20,2" PlaceholderText="" />
+                <Button x:Uid="AddAssetUrlFileButton" Grid.Column="1" x:Name="ButtonFile" Content="" Width="150" HorizontalAlignment="Left" Margin="20, 2" Click="ButtonFile_Click"/>
                 <TextBlock x:Uid="AddAssetType" Text="" HorizontalAlignment="Left" Margin="20, 20, 20, 2"/>
                 <ComboBox x:Name="ComboBoxAssetType" HorizontalAlignment="Left" Margin="20, 2" HorizontalContentAlignment="Stretch" ItemsSource="{x:Bind MimeTypes}" DisplayMemberPath="Item2" SelectedValuePath="Item1" Loaded="ComboBoxAssetType_Loaded"/>
                 <TextBlock x:Uid="AddAssetStartDate" Text="" HorizontalAlignment="Left" Margin="20, 20, 20, 2"/>
diff --git a/AddOrChangeAssetPage.xaml.cs b/AddOrChangeAssetPage.xaml.cs
index 147e520..542eea4 100644
--- a/AddOrChangeAssetPage.xaml.cs
+++ b/AddOrChangeAssetPage.xaml.cs
@@ -1,6 +1,8 @@
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Linq;
+using Windows.Storage.Pickers;
 using Windows.UI.Popups;
 using Windows.UI.Xaml;
 using Windows.UI.Xaml.Controls;
@@ -22,6 +24,8 @@ public sealed partial class AddOrChangeAssetPage : Page
         public List<Tuple<string, string>> MimeTypes { get; set; }
         private bool IsAnUpdate { get; set; }
 
+        private byte[] UploadedFile { get; set; }
+
         private Windows.ApplicationModel.Resources.ResourceLoader Loader;
 
         public AddOrChangeAssetPage()
@@ -37,9 +41,14 @@ public AddOrChangeAssetPage()
                 new Tuple<string, string>("video", this.Loader.GetString("Video"))
             };
 
+            this.UploadedFile = null;
+
             this.InitializeComponent();
 
-            this.DatePickerEnd.Date = DateTime.Now.AddDays(1);
+            this.DatePickerStart.Date = DateTime.Now;
+            this.TimePickerStart.Time = DatePickerStart.Date.TimeOfDay;
+            this.DatePickerEnd.Date = this.DatePickerStart.Date.AddDays(1);
+            this.TimePickerEnd.Time = this.TimePickerStart.Time;
         }
 
         protected override async void OnNavigatedTo(NavigationEventArgs e)
@@ -108,7 +117,10 @@ private async void ButtonSubmit_Click(object sender, RoutedEventArgs e)
             {
                 Asset a = this.AssetToUpdate;
                 a.Name = this.TextBoxName.Text;
-                a.Uri = this.TextBoxUrl.Text;
+                if (this.TextBoxUrl.Text.StartsWith("{"))
+                    a.LocalToken = this.TextBoxUrl.Text;
+                else
+                    a.Uri = this.TextBoxUrl.Text;
                 a.StartDate = (this.DatePickerStart.Date.Date + this.TimePickerStart.Time).ToUniversalTime();
                 a.EndDate = (this.DatePickerEnd.Date.Date + this.TimePickerEnd.Time).ToUniversalTime();
                 a.Duration = this.TextBoxDuration.Text;
@@ -131,7 +143,7 @@ private async void ButtonSubmit_Click(object sender, RoutedEventArgs e)
                     {
                         var devicesSelected = this.GridViewDevices.SelectedItems.ToList();
                         foreach (var device in devicesSelected)
-                            await (device as Device).CreateAsset(a);
+                            await (device as Device).CreateAssetAsync(a);
                     }
                     else
                     {
@@ -172,5 +184,23 @@ private void DatePickerStart_DateChanged(object sender, DatePickerValueChangedEv
         {
             this.DatePickerEnd.Date = this.DatePickerStart.Date.AddDays(1);
         }
+
+        private async void ButtonFile_Click(object sender, RoutedEventArgs e)
+        {
+            var picker = new FileOpenPicker();
+            picker.ViewMode = PickerViewMode.Thumbnail;
+            picker.SuggestedStartLocation = PickerLocationId.PicturesLibrary;
+            picker.FileTypeFilter.Add(".jpg");
+            picker.FileTypeFilter.Add(".jpeg");
+            picker.FileTypeFilter.Add(".png");
+            picker.FileTypeFilter.Add(".mp4");
+            picker.FileTypeFilter.Add(".avi");
+            picker.FileTypeFilter.Add(".mkv");
+
+            Windows.Storage.StorageFile file = await picker.PickSingleFileAsync();
+            if (file != null)
+                // Application now has read/write access to the picked file
+                this.TextBoxUrl.Text = Windows.Storage.AccessCache.StorageApplicationPermissions.FutureAccessList.Add(file);
+        }
     }
 }
diff --git a/Asset.cs b/Asset.cs
index c4cde81..f4881e3 100644
--- a/Asset.cs
+++ b/Asset.cs
@@ -38,6 +38,9 @@ public bool IsEnabledSwitch
             }
         }
 
+        [Newtonsoft.Json.JsonIgnore]
+        public string LocalToken { get; set; }
+
         [Newtonsoft.Json.JsonProperty(PropertyName = "nocache")]
         public Int32 NoCache { get; set; }
 
diff --git a/Device.cs b/Device.cs
index 217b859..28b1378 100644
--- a/Device.cs
+++ b/Device.cs
@@ -8,6 +8,8 @@
 using System.Net.Http;
 using System.Net.Http.Headers;
 using System.Threading.Tasks;
+using Windows.Storage;
+using Windows.Storage.AccessCache;
 
 namespace ScreenlyManager
 {
@@ -244,8 +246,18 @@ public async Task UpdateOrderAssetsAsync(string newOrder)
         /// </summary>
         /// <param name="a">New asset to create on Raspberry</param>
         /// <returns></returns>
-        public async Task CreateAsset(Asset a)
+        public async Task CreateAssetAsync(Asset a)
         {
+            if (a.LocalToken != null)
+            {
+                var localFile = await StorageApplicationPermissions.FutureAccessList.GetFileAsync(a.LocalToken);
+                Stream stream = await localFile.OpenStreamForReadAsync();
+                byte[] result = new byte[(int)stream.Length];
+                await stream.ReadAsync(result, 0, (int)stream.Length);
+                a.Uri = await this.PostFileAssetAsync(result, localFile.Name, localFile.ContentType);
+                a.Name += $" - {localFile.Name}";
+            }
+
             Asset returnedAsset = new Asset();
             JsonSerializerSettings settings = new JsonSerializerSettings();
             IsoDateTimeConverter dateConverter = new IsoDateTimeConverter
@@ -325,6 +337,40 @@ public async Task<Asset> GetAssetAsync(string assetId)
             return null;
         }
 
+        /// <summary>
+        /// Send file to create asset (image or video)
+        /// </summary>
+        /// <param name="itemToSend">Byte array of the file</param>
+        /// <param name="fileName">File's name</param>
+        /// <param name="contentType">File's content type </param>
+        /// <returns></returns>
+        public async Task<string> PostFileAssetAsync(byte[] itemToSend, string fileName, string contentType)
+        {
+            string resultJson = string.Empty;
+            string parameters = $"/api/{this.ApiVersion}file_asset";
+
+            try
+            {
+                HttpClient request = new HttpClient();
+                var content = new MultipartFormDataContent();
+                var itemContent = new ByteArrayContent(itemToSend);
+                itemContent.Headers.ContentType = MediaTypeHeaderValue.Parse(contentType);
+                content.Add(itemContent, "file_upload", fileName);
+                using (HttpResponseMessage response = await request.PostAsync(this.HttpLink + parameters, content))
+                {
+                    resultJson = await response.Content.ReadAsStringAsync();
+                }
+
+                if (!resultJson.Equals(string.Empty))
+                    return JsonConvert.DeserializeObject<string>(resultJson);
+            }
+            catch (Exception ex)
+            {
+                throw new Exception($"[Device = {this.Name}; IP = {this.IpAddress}] Error while sending file.", ex);
+            }
+            return null;
+        }
+
         #endregion
     }
 }
diff --git a/Strings/de-DE/Resources.resw b/Strings/de-DE/Resources.resw
index 00c66ed..7b8fbc4 100644
--- a/Strings/de-DE/Resources.resw
+++ b/Strings/de-DE/Resources.resw
@@ -401,4 +401,8 @@
     <value>Asset kopieren "{0}"</value>
     <comment>AddOrChangeAssetPage.xaml</comment>
   </data>
+  <data name="AddAssetUrlFileButton.Content" xml:space="preserve">
+    <value>Kies een bestand</value>
+    <comment>AddOrChangeAssetPage.xaml</comment>
+  </data>
 </root>
\ No newline at end of file
diff --git a/Strings/en-US/Resources.resw b/Strings/en-US/Resources.resw
index 911c1c2..0f8e45c 100644
--- a/Strings/en-US/Resources.resw
+++ b/Strings/en-US/Resources.resw
@@ -186,7 +186,7 @@
     <comment>AddOrChangeAssetPage.xaml</comment>
   </data>
   <data name="AddAssetUrlTextBox.PlaceholderText" xml:space="preserve">
-    <value>e.g. https://www.screenly.io/</value>
+    <value>e.g. https://www.screenly.io/ or choose a file below</value>
     <comment>AddOrChangeAssetPage.xaml</comment>
   </data>
   <data name="AddDeviceCancel.Content" xml:space="preserve">
@@ -401,4 +401,8 @@
     <value>Duplicate asset "{0}"</value>
     <comment>AddOrChangeAssetPage.xaml</comment>
   </data>
+  <data name="AddAssetUrlFileButton.Content" xml:space="preserve">
+    <value>Choose a file</value>
+    <comment>AddOrChangeAssetPage.xaml</comment>
+  </data>
 </root>
\ No newline at end of file
diff --git a/Strings/fr-FR/Resources.resw b/Strings/fr-FR/Resources.resw
index 6b5b033..d2130ec 100644
--- a/Strings/fr-FR/Resources.resw
+++ b/Strings/fr-FR/Resources.resw
@@ -186,7 +186,7 @@
     <comment>AddOrChangeAssetPage.xaml</comment>
   </data>
   <data name="AddAssetUrlTextBox.PlaceholderText" xml:space="preserve">
-    <value>Exemple : https://www.screenly.io/</value>
+    <value>Exemple : https://www.screenly.io/ ou choisir un fichier ci-dessous</value>
     <comment>AddOrChangeAssetPage.xaml</comment>
   </data>
   <data name="AddDeviceCancel.Content" xml:space="preserve">
@@ -401,4 +401,8 @@
     <value>Dupliquer l'affichage "{0}"</value>
     <comment>AddOrChangeAssetPage.xaml</comment>
   </data>
+  <data name="AddAssetUrlFileButton.Content" xml:space="preserve">
+    <value>Choisir un fichier</value>
+    <comment>AddOrChangeAssetPage.xaml</comment>
+  </data>
 </root>
\ No newline at end of file
diff --git a/Strings/nl-NL/Resources.resw b/Strings/nl-NL/Resources.resw
index 453cfab..40a131a 100644
--- a/Strings/nl-NL/Resources.resw
+++ b/Strings/nl-NL/Resources.resw
@@ -401,4 +401,8 @@
     <value>Dubbele asset "{0}"</value>
     <comment>AddOrChangeAssetPage.xaml</comment>
   </data>
+  <data name="AddAssetUrlFileButton.Content" xml:space="preserve">
+    <value>Wählen Sie eine Datei</value>
+    <comment>AddOrChangeAssetPage.xaml</comment>
+  </data>
 </root>
\ No newline at end of file