feat: preset import / export bundles
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209
src/TeamsISO.App/PresetsDialog.xaml
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209
src/TeamsISO.App/PresetsDialog.xaml
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<Window x:Class="TeamsISO.App.PresetsDialog"
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xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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xmlns:shell="clr-namespace:System.Windows.Shell;assembly=PresentationFramework"
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Title="Operator presets"
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Icon="/Assets/teamsiso.ico"
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Width="460" Height="520"
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WindowStartupLocation="CenterOwner"
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WindowStyle="None"
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ResizeMode="NoResize"
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Background="{DynamicResource Wd.Canvas}"
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UseLayoutRounding="True"
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TextOptions.TextFormattingMode="Ideal"
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TextOptions.TextRenderingMode="ClearType">
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<shell:WindowChrome.WindowChrome>
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<shell:WindowChrome
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CaptionHeight="32"
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ResizeBorderThickness="0"
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CornerRadius="0"
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GlassFrameThickness="0"
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UseAeroCaptionButtons="False"/>
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</shell:WindowChrome.WindowChrome>
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<Border BorderBrush="{DynamicResource Wd.Border}" BorderThickness="1">
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<Grid Margin="24,16,24,20">
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<Grid.RowDefinitions>
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<RowDefinition Height="Auto"/>
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<RowDefinition Height="Auto"/>
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<RowDefinition Height="Auto"/>
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<RowDefinition Height="*"/>
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<RowDefinition Height="Auto"/>
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</Grid.RowDefinitions>
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<!-- Caption -->
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<Grid Grid.Row="0">
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<Grid.ColumnDefinitions>
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<ColumnDefinition Width="*"/>
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<ColumnDefinition Width="Auto"/>
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</Grid.ColumnDefinitions>
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<TextBlock Text="OPERATOR PRESETS"
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Style="{StaticResource Wd.Text.Caption}"
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VerticalAlignment="Center"/>
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<Button Grid.Column="1"
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Style="{StaticResource Wd.Button.CaptionClose}"
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Click="OnCancel"
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shell:WindowChrome.IsHitTestVisibleInChrome="True">
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<Path Data="M 0,0 L 10,10 M 10,0 L 0,10"
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Stroke="{DynamicResource Wd.Text.Primary}"
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StrokeThickness="1.2"
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Width="10" Height="10"
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Stretch="None"/>
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</Button>
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</Grid>
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<TextBlock Grid.Row="1"
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Text="Save the current ISO assignments as a named preset, or load an existing preset to restore them."
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Style="{StaticResource Wd.Text.Subtle}"
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Foreground="{DynamicResource Wd.Text.Tertiary}"
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FontSize="12"
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TextWrapping="Wrap"
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Margin="0,12,0,16"/>
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<!-- Save row: name textbox + Save button -->
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<Grid Grid.Row="2">
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<Grid.ColumnDefinitions>
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<ColumnDefinition Width="*"/>
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<ColumnDefinition Width="Auto"/>
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</Grid.ColumnDefinitions>
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<TextBox x:Name="NameBox"
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ToolTip="Name for the new preset (or pick an existing one to overwrite)"
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VerticalContentAlignment="Center"
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Margin="0,0,12,0"/>
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<Button Grid.Column="1"
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Style="{StaticResource Wd.Button.Primary}"
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Content="Save"
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Click="OnSave"
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Padding="20,8"/>
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</Grid>
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<!-- Existing presets list -->
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<Border Grid.Row="3"
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Style="{StaticResource Wd.Card}"
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Padding="0"
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Margin="0,16,0,0">
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<Grid>
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<ListBox x:Name="PresetsList"
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Background="Transparent"
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BorderThickness="0"
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SelectionMode="Single"
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ScrollViewer.HorizontalScrollBarVisibility="Disabled"
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SelectionChanged="OnSelectionChanged">
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<ListBox.ItemContainerStyle>
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<Style TargetType="ListBoxItem">
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<Setter Property="Padding" Value="12,8"/>
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<Setter Property="Foreground" Value="{DynamicResource Wd.Text.Primary}"/>
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<Setter Property="Background" Value="Transparent"/>
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<Setter Property="Template">
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<Setter.Value>
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<ControlTemplate TargetType="ListBoxItem">
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<Border x:Name="Bd"
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Background="{TemplateBinding Background}"
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Padding="{TemplateBinding Padding}"
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CornerRadius="4"
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Margin="4,2">
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<ContentPresenter/>
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</Border>
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<ControlTemplate.Triggers>
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<Trigger Property="IsMouseOver" Value="True">
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<Setter TargetName="Bd" Property="Background" Value="{DynamicResource Wd.SurfaceHover}"/>
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</Trigger>
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<Trigger Property="IsSelected" Value="True">
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<Setter TargetName="Bd" Property="Background" Value="{DynamicResource Wd.SurfaceElevated}"/>
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</Trigger>
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</ControlTemplate.Triggers>
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</ControlTemplate>
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</Setter.Value>
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</Setter>
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</Style>
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</ListBox.ItemContainerStyle>
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<ListBox.ItemTemplate>
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<DataTemplate>
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<StackPanel>
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<TextBlock Text="{Binding Name}"
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Style="{StaticResource Wd.Text.Body}"
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FontWeight="Medium"/>
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<TextBlock Style="{StaticResource Wd.Text.Mono}"
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FontSize="10"
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Foreground="{DynamicResource Wd.Text.Tertiary}">
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<Run Text="{Binding SavedAtDisplay, Mode=OneWay}"/>
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<Run Text=" · "/>
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<Run Text="{Binding AssignmentCount, Mode=OneWay}"/>
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<Run Text=" assignments"/>
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</TextBlock>
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</StackPanel>
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</DataTemplate>
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</ListBox.ItemTemplate>
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</ListBox>
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<!-- Empty-state inside the card -->
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<TextBlock x:Name="EmptyState"
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Text="No presets yet. Type a name above and click Save."
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Style="{StaticResource Wd.Text.Subtle}"
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Foreground="{DynamicResource Wd.Text.Tertiary}"
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FontSize="12"
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HorizontalAlignment="Center"
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VerticalAlignment="Center"
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Visibility="Collapsed"/>
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</Grid>
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</Border>
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<!-- Footer buttons -->
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<Grid Grid.Row="4" Margin="0,16,0,0">
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<Grid.ColumnDefinitions>
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<ColumnDefinition Width="Auto"/>
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<ColumnDefinition Width="Auto"/>
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<ColumnDefinition Width="Auto"/>
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<ColumnDefinition Width="Auto"/>
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<ColumnDefinition Width="*"/>
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<ColumnDefinition Width="Auto"/>
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<ColumnDefinition Width="Auto"/>
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</Grid.ColumnDefinitions>
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<Button Grid.Column="0"
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Style="{StaticResource Wd.Button.Ghost}"
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Content="Delete"
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Click="OnDelete"
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IsEnabled="False"
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x:Name="DeleteButton"
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Padding="14,8"/>
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<Button Grid.Column="1"
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Style="{StaticResource Wd.Button.Ghost}"
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Content="Duplicate"
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Click="OnDuplicate"
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IsEnabled="False"
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x:Name="DuplicateButton"
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Margin="8,0,0,0"
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Padding="14,8"
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ToolTip="Copy the selected preset to a new name. Useful when iterating on variants of a recurring show."/>
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<Button Grid.Column="2"
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Style="{StaticResource Wd.Button.Ghost}"
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Content="Export…"
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Click="OnExport"
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Margin="8,0,0,0"
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Padding="14,8"
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ToolTip="Save every preset as a single .json bundle. Useful for moving a curated library between machines, or sharing with a colleague."/>
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<Button Grid.Column="3"
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Style="{StaticResource Wd.Button.Ghost}"
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Content="Import…"
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Click="OnImport"
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Margin="8,0,0,0"
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Padding="14,8"
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ToolTip="Load presets from a .json bundle. Existing presets with the same name are skipped unless you confirm overwrite."/>
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<Button Grid.Column="5"
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Style="{StaticResource Wd.Button.Ghost}"
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Content="Cancel"
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Click="OnCancel"
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Margin="0,0,8,0"
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Padding="14,8"/>
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<Button Grid.Column="6"
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Style="{StaticResource Wd.Button.Primary}"
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Content="Apply"
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Click="OnApply"
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IsEnabled="False"
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x:Name="ApplyButton"
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Padding="20,8"/>
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</Grid>
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</Grid>
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</Border>
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</Window>
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273
src/TeamsISO.App/Services/OperatorPresetStore.cs
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273
src/TeamsISO.App/Services/OperatorPresetStore.cs
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using System.IO;
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using System.Text.Json;
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namespace TeamsISO.App.Services;
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/// <summary>
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/// Persistent named snapshots of which participants should have ISOs enabled and
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/// what their custom output names are. Useful for recurring shows: an operator
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/// can save the assignment they spent 5 minutes setting up, and on the next
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/// meeting load the same preset and auto-enable everyone whose display name
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/// matches.
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///
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/// Persisted as JSON at <c>%LOCALAPPDATA%\TeamsISO\presets.json</c>. We key by
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/// participant <see cref="DisplayName"/> rather than <see cref="Guid"/> Id
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/// because the Id is freshly generated for every meeting (Teams' NDI source
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/// identity isn't stable across sessions); display name is the operator's
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/// natural identifier and is what they see in the UI anyway.
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/// </summary>
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public static class OperatorPresetStore
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{
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/// <summary>
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/// Test-only override for the presets file path. Tests set this to a temp
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/// path so they don't pollute the operator's real %LOCALAPPDATA% store.
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/// Null in production. <see cref="System.Runtime.CompilerServices.InternalsVisibleToAttribute"/>
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/// in the project file grants the test assembly access.
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/// </summary>
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internal static string? PathOverride { get; set; }
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private static string PresetsPath =>
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PathOverride ?? Path.Combine(
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Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData),
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"TeamsISO",
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"presets.json");
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/// <summary>
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/// One operator preset: a name, when it was saved, and a list of
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/// per-participant assignments keyed by display name.
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/// </summary>
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public sealed record Preset(
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string Name,
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DateTimeOffset SavedAt,
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IReadOnlyList<Assignment> Assignments);
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/// <summary>
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/// Single participant's assignment within a preset. Both fields are stable
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/// across meetings; <see cref="DisplayName"/> is the join key when applying.
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/// </summary>
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public sealed record Assignment(
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string DisplayName,
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string? CustomOutputName,
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bool Enabled);
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/// <summary>
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/// On-disk shape: a list of presets indexed by name. Wrapped in an object so
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/// we can grow the schema (versioning, defaults, last-used) without breaking
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/// existing files. <see cref="LastAppliedName"/> + <see cref="AutoApplyOnStartup"/>
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/// drive the "auto-apply on startup" feature; reading older files (which lack
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/// these fields) falls back to default values via the records' default ctor.
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/// </summary>
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private sealed record File(
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int Version,
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IReadOnlyList<Preset> Presets,
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string? LastAppliedName = null,
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bool AutoApplyOnStartup = false);
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/// <summary>
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/// Operator-level preferences that travel inside the same JSON envelope as the
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/// presets themselves. Currently used for the "auto-apply last preset on launch"
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/// feature so the host can decide on startup whether to silently re-apply the
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/// most recent preset and which one to apply.
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/// </summary>
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public sealed record StartupPreference(string? LastAppliedName, bool AutoApplyOnStartup);
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/// <summary>Returns all stored presets, oldest first. Empty list if no file exists.</summary>
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public static IReadOnlyList<Preset> LoadAll() => LoadFile().Presets ?? Array.Empty<Preset>();
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/// <summary>
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/// Returns the operator's startup preference (which preset, if any, should be
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/// auto-applied on launch). Defaults to <c>(null, false)</c> when no file exists
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/// or the file predates the field — older preset.json files deserialize cleanly
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/// because both fields are optional with default values.
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/// </summary>
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public static StartupPreference GetStartupPreference()
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{
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var file = LoadFile();
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return new StartupPreference(file.LastAppliedName, file.AutoApplyOnStartup);
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}
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/// <summary>
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/// Records that <paramref name="name"/> was just successfully applied. Combined
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/// with <see cref="SetAutoApplyOnStartup"/>, drives the auto-apply-on-launch flow.
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/// Preserves the rest of the file (presets, AutoApplyOnStartup flag) intact.
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/// </summary>
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public static void MarkApplied(string name)
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{
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var file = LoadFile();
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WriteFile(file with { LastAppliedName = name });
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}
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/// <summary>
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/// Toggles whether the host should auto-apply <see cref="StartupPreference.LastAppliedName"/>
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/// on next launch. Independent of <see cref="MarkApplied"/> so the operator can flip
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/// the toggle without losing the most-recent name.
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/// </summary>
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public static void SetAutoApplyOnStartup(bool enabled)
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{
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var file = LoadFile();
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WriteFile(file with { AutoApplyOnStartup = enabled });
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}
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/// <summary>
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/// Adds (or replaces) a preset by name. Atomic write: writes to a temp file
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/// then File.Replace so a crash mid-write doesn't corrupt the existing file.
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/// Preserves <see cref="StartupPreference"/> across writes.
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/// </summary>
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public static void Save(Preset preset)
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{
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var file = LoadFile();
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var presets = (file.Presets ?? Array.Empty<Preset>())
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.Where(p => !string.Equals(p.Name, preset.Name, StringComparison.OrdinalIgnoreCase))
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.Append(preset)
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.OrderBy(p => p.Name, StringComparer.OrdinalIgnoreCase)
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.ToArray();
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WriteFile(file with { Presets = presets });
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}
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/// <summary>
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/// Removes a preset by name. No-op if not present. If the deleted preset was
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/// the last-applied one, clears that field so we don't try to re-apply a missing
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/// preset on next launch.
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/// </summary>
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public static void Delete(string name)
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{
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var file = LoadFile();
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var existing = file.Presets ?? Array.Empty<Preset>();
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var remaining = existing
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.Where(p => !string.Equals(p.Name, name, StringComparison.OrdinalIgnoreCase))
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.ToArray();
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if (remaining.Length == existing.Count) return; // not present
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var clearedLastApplied =
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string.Equals(file.LastAppliedName, name, StringComparison.OrdinalIgnoreCase)
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? null
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: file.LastAppliedName;
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WriteFile(file with { Presets = remaining, LastAppliedName = clearedLastApplied });
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}
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/// <summary>Looks up a preset by name (case-insensitive). Null if not present.</summary>
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public static Preset? Find(string name) =>
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LoadAll().FirstOrDefault(p => string.Equals(p.Name, name, StringComparison.OrdinalIgnoreCase));
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/// <summary>
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/// Bundle format for the export/import surface. Wraps the preset list with
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/// a version stamp + an export timestamp so a future-format-aware importer
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/// can migrate the data. We deliberately export a flat preset list — not
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/// the full <see cref="File"/> envelope — because StartupPreference is
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/// machine-local (operator A's "auto-apply Friday Show" shouldn't follow
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||||||
|
/// the bundle to operator B's machine).
|
||||||
|
/// </summary>
|
||||||
|
public sealed record Bundle(
|
||||||
|
string Schema,
|
||||||
|
DateTimeOffset ExportedAt,
|
||||||
|
IReadOnlyList<Preset> Presets)
|
||||||
|
{
|
||||||
|
public const string CurrentSchema = "teamsiso-presets-bundle/v1";
|
||||||
|
}
|
||||||
|
|
||||||
|
/// <summary>
|
||||||
|
/// Serialize every preset to a JSON string suitable for writing to disk.
|
||||||
|
/// The shape is human-readable (WriteIndented) so an operator can diff
|
||||||
|
/// two bundles in their editor.
|
||||||
|
/// </summary>
|
||||||
|
public static string ExportAllAsJson()
|
||||||
|
{
|
||||||
|
var bundle = new Bundle(
|
||||||
|
Schema: Bundle.CurrentSchema,
|
||||||
|
ExportedAt: DateTimeOffset.Now,
|
||||||
|
Presets: LoadAll());
|
||||||
|
return JsonSerializer.Serialize(bundle, new JsonSerializerOptions { WriteIndented = true });
|
||||||
|
}
|
||||||
|
|
||||||
|
/// <summary>
|
||||||
|
/// Result of an import attempt — counts so the UI can toast a clear summary.
|
||||||
|
/// </summary>
|
||||||
|
public sealed record ImportResult(int Added, int Overwritten, int Skipped, string? Error)
|
||||||
|
{
|
||||||
|
public static ImportResult Failed(string error) => new(0, 0, 0, error);
|
||||||
|
}
|
||||||
|
|
||||||
|
/// <summary>
|
||||||
|
/// Import a bundle JSON. Per-preset name collision policy is determined by
|
||||||
|
/// <paramref name="overwrite"/>: when true, identically-named presets in the
|
||||||
|
/// bundle replace local ones; when false they're skipped. Returns counts
|
||||||
|
/// so the caller can toast a "added X, overwrote Y, skipped Z" summary.
|
||||||
|
/// </summary>
|
||||||
|
public static ImportResult ImportBundle(string json, bool overwrite)
|
||||||
|
{
|
||||||
|
Bundle? bundle;
|
||||||
|
try
|
||||||
|
{
|
||||||
|
bundle = JsonSerializer.Deserialize<Bundle>(json);
|
||||||
|
}
|
||||||
|
catch (Exception ex)
|
||||||
|
{
|
||||||
|
return ImportResult.Failed("Could not parse bundle: " + ex.Message);
|
||||||
|
}
|
||||||
|
if (bundle is null || bundle.Presets is null)
|
||||||
|
return ImportResult.Failed("Bundle was empty or malformed.");
|
||||||
|
|
||||||
|
var existingNames = new HashSet<string>(
|
||||||
|
LoadAll().Select(p => p.Name),
|
||||||
|
StringComparer.OrdinalIgnoreCase);
|
||||||
|
|
||||||
|
var added = 0;
|
||||||
|
var overwritten = 0;
|
||||||
|
var skipped = 0;
|
||||||
|
|
||||||
|
foreach (var p in bundle.Presets)
|
||||||
|
{
|
||||||
|
if (existingNames.Contains(p.Name))
|
||||||
|
{
|
||||||
|
if (!overwrite) { skipped++; continue; }
|
||||||
|
overwritten++;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
added++;
|
||||||
|
}
|
||||||
|
try { Save(p); }
|
||||||
|
catch
|
||||||
|
{
|
||||||
|
// One bad preset shouldn't abort the rest. Count as skipped so
|
||||||
|
// the user knows their import wasn't 100% clean.
|
||||||
|
if (overwrite && existingNames.Contains(p.Name)) overwritten--;
|
||||||
|
else added--;
|
||||||
|
skipped++;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return new ImportResult(added, overwritten, skipped, null);
|
||||||
|
}
|
||||||
|
|
||||||
|
private static File LoadFile()
|
||||||
|
{
|
||||||
|
try
|
||||||
|
{
|
||||||
|
if (!System.IO.File.Exists(PresetsPath))
|
||||||
|
return new File(1, Array.Empty<Preset>());
|
||||||
|
var json = System.IO.File.ReadAllText(PresetsPath);
|
||||||
|
return JsonSerializer.Deserialize<File>(json) ?? new File(1, Array.Empty<Preset>());
|
||||||
|
}
|
||||||
|
catch
|
||||||
|
{
|
||||||
|
return new File(1, Array.Empty<Preset>());
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private static void WriteFile(File file)
|
||||||
|
{
|
||||||
|
var dir = Path.GetDirectoryName(PresetsPath);
|
||||||
|
if (!string.IsNullOrEmpty(dir))
|
||||||
|
Directory.CreateDirectory(dir);
|
||||||
|
|
||||||
|
var json = JsonSerializer.Serialize(file, new JsonSerializerOptions { WriteIndented = true });
|
||||||
|
var temp = PresetsPath + ".tmp";
|
||||||
|
System.IO.File.WriteAllText(temp, json);
|
||||||
|
if (System.IO.File.Exists(PresetsPath))
|
||||||
|
System.IO.File.Replace(temp, PresetsPath, destinationBackupFileName: null);
|
||||||
|
else
|
||||||
|
System.IO.File.Move(temp, PresetsPath);
|
||||||
|
}
|
||||||
|
}
|
||||||
Loading…
Reference in a new issue