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30 lines
1.1 KiB
C#
30 lines
1.1 KiB
C#
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// Copyright (c) Microsoft Corporation
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// The Microsoft Corporation licenses this file to you under the MIT license.
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// See the LICENSE file in the project root for more information.
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using System.Text.Json.Serialization.Metadata;
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namespace Microsoft.CmdPal.UI.ViewModels.Services;
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/// <summary>
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/// Provides AOT-compatible JSON file persistence with shallow-merge strategy.
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/// </summary>
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public interface IPersistenceService
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{
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/// <summary>
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/// Loads and deserializes a model from the specified JSON file.
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/// Returns a new <typeparamref name="T"/> instance when the file is missing or unreadable.
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/// </summary>
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T Load<T>(string filePath, JsonTypeInfo<T> typeInfo)
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where T : new();
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/// <summary>
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/// Serializes <paramref name="model"/>, shallow-merges into the existing file
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/// (preserving unknown keys), and writes the result back to disk.
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/// </summary>
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/// <param name="model">The model to persist.</param>
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/// <param name="filePath">Target JSON file path.</param>
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/// <param name="typeInfo">AOT-compatible type metadata.</param>
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void Save<T>(T model, string filePath, JsonTypeInfo<T> typeInfo);
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}
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