Add contact blocking

It's not fully integrated but it's most of the way there

Author: golf1052

Signal-Windows.Lib/IncomingMessages.cs

@@ -572,6 +572,12 @@ private void HandleSignalMessage(SignalServiceEnvelope envelope, SignalServiceCo
                 author = SignalDBContext.GetOrCreateContactLocked(envelope.GetSource(), timestamp);
             }
 
+            if (author != null && author.Blocked)
+            {
+                // Don't save blocked messages
+                return;
+            }
+
             List<SignalAttachment> attachments = new List<SignalAttachment>();
             SignalMessage message = new SignalMessage()
             {

Signal-Windows.Lib/Migrations/SignalDB/20180521001340_m6.Designer.cs

@@ -0,0 +1,25 @@
+using System;
+using System.Collections.Generic;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace Signal_Windows.Migrations
+{
+    public partial class m6 : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<bool>(
+                name: "Blocked",
+                table: "SignalConversation",
+                nullable: false,
+                defaultValue: false);
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "Blocked",
+                table: "SignalConversation");
+        }
+    }
+}

Signal-Windows.Lib/Migrations/SignalDB/20180521001340_m6.cs

@@ -193,6 +193,8 @@ protected override void BuildModel(ModelBuilder modelBuilder)
                 {
                     b.HasBaseType("Signal_Windows.Models.SignalConversation");
 
+                    b.Property<bool>("Blocked");
+
                     b.Property<string>("Color");
 
                     b.ToTable("SignalContact");

Signal-Windows.Lib/Migrations/SignalDB/SignalDBContextModelSnapshot.cs

@@ -5,6 +5,7 @@ namespace Signal_Windows.Models
     public class SignalContact : SignalConversation
     {
         public string Color { get; set; }
+        public bool Blocked { get; set; }
         public List<GroupMembership> GroupMemberships { get; set; }
     }
 }

Signal-Windows.Lib/Models/SignalContact.cs

@@ -109,6 +109,10 @@
     <Compile Include="Events\SignalMessageEventArgs.cs" />
     <Compile Include="GlobalSettingsManager.cs" />
     <Compile Include="IncomingMessages.cs" />
+    <Compile Include="Migrations\SignalDB\20180521001340_m6.cs" />
+    <Compile Include="Migrations\SignalDB\20180521001340_m6.designer.cs">
+      <DependentUpon>20180521001340_m6.cs</DependentUpon>
+    </Compile>
     <Compile Include="Util\LibUtils.cs" />
     <Compile Include="Migrations\LibsignalDB\20170806145530_ls1.cs" />
     <Compile Include="Migrations\LibsignalDB\20170806145530_ls1.Designer.cs">

Signal-Windows.Lib/Signal-Windows.Lib.csproj

@@ -1411,6 +1411,23 @@ public static void InsertOrUpdateConversationLocked(SignalConversation conversat
                 }
             }
         }
+
+        public static void UpdateBlockStatus(SignalContact contact)
+        {
+            lock (DBLock)
+            {
+                using (var ctx = new SignalDBContext())
+                {
+                    var c = ctx.Contacts.SingleOrDefault(b => b.ThreadId == contact.ThreadId);
+                    if (c == null)
+                    {
+                        throw new Exception("Could not find contact!");
+                    }
+                    c.Blocked = contact.Blocked;
+                    ctx.SaveChanges();
+                }
+            }
+        }
         #endregion Contacts
     }
 }

Signal-Windows.Lib/Storage/DB.cs

@@ -101,6 +101,7 @@
                     <ColumnDefinition Width="50"/>
                 </Grid.ColumnDefinitions>
                 <StackPanel Grid.Column="0" Orientation="Horizontal" HorizontalAlignment="Center" VerticalAlignment="Center">
+                    <FontIcon Glyph="&#xE25B;" FontSize="11" Visibility="{x:Bind Blocked, Mode=OneWay}"/>
                     <TextBlock Name="Displayname" IsTextSelectionEnabled="True" HorizontalAlignment="Center" Text="{x:Bind ThreadDisplayName, Mode=OneWay}" />
                     <TextBlock Name="Separator" xml:space="preserve" Visibility="{x:Bind SeparatorVisibility, Mode=OneWay}">&#160;&#160;&#x2022;&#160;&#160;</TextBlock>
                     <TextBlock Name="Username" IsTextSelectionEnabled="True" HorizontalAlignment="Center" Text="{x:Bind ThreadUsername, Mode=OneWay}" Visibility="{x:Bind ThreadUsernameVisibility, Mode=OneWay}" />
@@ -131,10 +132,11 @@
                 <ColumnDefinition Width="*"/>
                 <ColumnDefinition Width="Auto"/>
             </Grid.ColumnDefinitions>
-            <TextBox Grid.Column="0" Name="InputTextBox" VerticalAlignment="Center" KeyDown="TextBox_KeyDown" PlaceholderText="Type a message" BorderBrush="{x:Null}" BorderThickness="0" TextWrapping="Wrap" TextChanged="InputTextBox_TextChanged" InputScope="Chat" />
-            <Button x:Name="SendMessageButton" Grid.Column="1" Click="SendMessageButton_Click" IsEnabled="{x:Bind SendButtonEnabled, Mode=OneWay}" Background="{x:Bind SendButtonBackground}" VerticalAlignment="Bottom" Width="50" VerticalContentAlignment="Stretch" MinHeight="50">
+            <TextBox Grid.Column="0" Name="InputTextBox" VerticalAlignment="Center" KeyDown="TextBox_KeyDown" PlaceholderText="Type a message" BorderBrush="{x:Null}" BorderThickness="0" TextWrapping="Wrap" TextChanged="InputTextBox_TextChanged" InputScope="Chat" Visibility="{x:Bind SendMessageVisible, Mode=OneWay}"/>
+            <Button x:Name="SendMessageButton" Grid.Column="1" Click="SendMessageButton_Click" IsEnabled="{x:Bind SendButtonEnabled, Mode=OneWay}" Background="{x:Bind SendButtonBackground}" VerticalAlignment="Bottom" Width="50" VerticalContentAlignment="Stretch" MinHeight="50" Visibility="{x:Bind SendMessageVisible, Mode=OneWay}">
                 <SymbolIcon Symbol="Send"/>
             </Button>
+            <Button x:Name="UnblockButton" Content="Unblock" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Grid.ColumnSpan="2" Height="50" Visibility="{x:Bind Blocked, Mode=OneWay}" Click="UnblockButton_Click"/>
         </Grid>
     </Grid>
 </UserControl>