103 lines
4.7 KiB
C#
103 lines
4.7 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Text.Json;
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using System.Text.Json.Serialization;
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using Gallery.Util.Model;
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namespace Gallery.Util
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{
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public class GalleryItemConverter : JsonConverter<GalleryItem>
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{
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public override GalleryItem Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
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{
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if (reader.TokenType != JsonTokenType.StartObject)
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{
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return null;
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}
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var item = new GalleryItem();
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while (reader.Read())
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{
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if (reader.TokenType == JsonTokenType.EndObject)
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{
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return item;
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}
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if (reader.TokenType == JsonTokenType.PropertyName)
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{
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var name = reader.GetString();
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reader.Read();
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switch (name)
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{
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case nameof(GalleryItem.Id): item.Id = reader.GetInt64(); break;
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case nameof(GalleryItem.Tags):
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if (reader.TokenType == JsonTokenType.StartArray)
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{
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var tags = new List<string>();
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while (reader.Read())
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{
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if (reader.TokenType == JsonTokenType.EndArray)
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{
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break;
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}
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if (reader.TokenType == JsonTokenType.String)
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{
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tags.Add(reader.GetString());
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}
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}
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item.Tags = tags.ToArray();
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}
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break;
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case nameof(GalleryItem.CreatedTime): item.CreatedTime = reader.GetDateTime(); break;
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case nameof(GalleryItem.UpdatedTime): item.UpdatedTime = reader.GetDateTime(); break;
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case nameof(GalleryItem.UserId): item.UserId = reader.GetString(); break;
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case nameof(GalleryItem.UserName): item.UserName = reader.GetString(); break;
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case nameof(GalleryItem.Source): item.Source = reader.GetString(); break;
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case nameof(GalleryItem.PreviewUrl): item.PreviewUrl = reader.GetString(); break;
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case nameof(GalleryItem.RawUrl): item.RawUrl = reader.GetString(); break;
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case nameof(GalleryItem.Width): item.Width = reader.GetInt32(); break;
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case nameof(GalleryItem.Height): item.Height = reader.GetInt32(); break;
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case nameof(GalleryItem.BookmarkId): item.BookmarkId = reader.GetString(); break;
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case nameof(GalleryItem.IsRawPage): item.IsRawPage = reader.GetBoolean(); break;
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}
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}
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}
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throw new ArgumentOutOfRangeException();
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}
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public override void Write(Utf8JsonWriter writer, GalleryItem value, JsonSerializerOptions options)
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{
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if (value == null)
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{
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writer.WriteNullValue();
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return;
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}
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writer.WriteStartObject();
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writer.WriteNumber(nameof(GalleryItem.Id), value.Id);
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if (value.Tags != null)
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{
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writer.WritePropertyName(nameof(GalleryItem.Tags));
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writer.WriteStartArray();
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for (var i = 0; i < value.Tags.Length; i++)
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{
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writer.WriteStringValue(value.Tags[i]);
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}
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writer.WriteEndArray();
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}
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writer.WriteString(nameof(GalleryItem.CreatedTime), value.CreatedTime);
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writer.WriteString(nameof(GalleryItem.UpdatedTime), value.UpdatedTime);
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writer.WriteString(nameof(GalleryItem.UserId), value.UserId);
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writer.WriteString(nameof(GalleryItem.UserName), value.UserName);
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writer.WriteString(nameof(GalleryItem.Source), value.Source);
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writer.WriteString(nameof(GalleryItem.PreviewUrl), value.PreviewUrl);
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writer.WriteString(nameof(GalleryItem.RawUrl), value.RawUrl);
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writer.WriteNumber(nameof(GalleryItem.Width), value.Width);
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writer.WriteNumber(nameof(GalleryItem.Height), value.Height);
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writer.WriteString(nameof(GalleryItem.BookmarkId), value.BookmarkId);
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writer.WriteBoolean(nameof(GalleryItem.IsRawPage), value.IsRawPage);
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writer.WriteEndObject();
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}
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}
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}
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