248 lines
9.2 KiB
C#
248 lines
9.2 KiB
C#
using System.Collections;
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using System.ComponentModel;
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using Pf2e.Database.Model;
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using Pf2e.Database.Model.Base.Keywords;
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using Pf2e.Database.Model.Base.Source;
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using Pf2e.Database.Model.Base.Targets;
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using Pf2e.Database.Model.Common.I18n;
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using Pf2e.Database.Model.Enum;
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namespace Pf2e.Web.Helpers;
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public class EntityFieldFormatter
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{
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/// <summary>
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/// Форматировать значение для отображения.
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/// </summary>
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public string? FormatValue(object? value)
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{
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if (value == null)
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return null;
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Type type = value.GetType();
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foreach (ValueFormatter formatter in _formatters)
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{
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if (formatter.CanFormat(type))
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{
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return formatter.Format(value);
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}
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}
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return null;
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}
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/// <summary>
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/// Абстрактный класс форматтера значений.
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/// </summary>
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private abstract class ValueFormatter
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{
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/// <summary>
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/// Проверяет, может ли форматтер обработать указанный тип.
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/// </summary>
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/// <param name="type">Тип значения.</param>
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/// <returns><c>true</c>, если форматтер может обработать тип, иначе <c>false</c>.</returns>
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public abstract bool CanFormat(Type type);
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/// <summary>
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/// Форматирует значение для отображения.
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/// </summary>
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/// <param name="value">Значение для форматирования.</param>
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/// <returns>Строковое представление отформатированного значения.</returns>
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public abstract string Format(object value);
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}
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/// <summary>
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/// Форматтер для конкретного типа.
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/// </summary>
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/// <typeparam name="T">Тип значения.</typeparam>
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/// <param name="formatter">Функция форматирования значения.</param>
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private class TypeValueFormatter<T>(Func<object, string> formatter) : ValueFormatter
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{
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public override bool CanFormat(Type type) => type == typeof(T);
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public override string Format(object value) => formatter(value);
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}
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/// <summary>
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/// Форматтер с пользовательскими функциями проверки и форматирования.
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/// </summary>
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/// <param name="checker">Функция проверки типа.</param>
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/// <param name="formatter">Функция форматирования значения.</param>
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private class CustomValueFormatter(Func<Type, bool> checker, Func<object, string> formatter)
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: ValueFormatter
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{
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public override bool CanFormat(Type type) => checker(type);
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public override string Format(object value) => formatter(value);
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}
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/// <summary>
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/// Форматтер для коллекций.
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/// </summary>
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private class CollectionFormatter(EntityFieldFormatter fieldFormatter) : ValueFormatter
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{
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public override bool CanFormat(Type type) =>
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typeof(IEnumerable).IsAssignableFrom(type) && type != typeof(string);
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public override string Format(object value)
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{
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IEnumerable collection = (IEnumerable)value;
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List<string> items = [];
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foreach (object? item in collection)
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{
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string? itemDisplay = fieldFormatter.FormatValue(item);
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items.Add(itemDisplay ?? "null");
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}
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return items.Count == 0 ? "(empty)" : string.Join("<br/>", items);
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}
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}
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/// <summary>
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/// Коллекция форматтеров.
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/// </summary>
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private readonly List<ValueFormatter> _formatters;
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/// <summary>
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/// Получить описание элемента перечисления из DescriptionAttribute.
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/// </summary>
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/// <param name="value">Элемент перечисления.</param>
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/// <returns>Описание или имя элемента, если атрибут не найден.</returns>
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private static string GetEnumDescription(Enum value)
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{
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Type type = value.GetType();
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string name = Enum.GetName(type, value) ?? value.ToString();
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System.Reflection.FieldInfo? field = type.GetField(name);
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if (field == null)
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return value.ToString();
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if (
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Attribute.GetCustomAttribute(field, typeof(DescriptionAttribute))
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is DescriptionAttribute attr
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)
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{
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return attr.Description;
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}
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return value.ToString();
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}
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/// <summary>
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/// Конструктор EntitySerializer.
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/// </summary>
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public EntityFieldFormatter()
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{
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_formatters =
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[
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// Форматтеры для перечислений
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new CustomValueFormatter(
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(type) => type.IsEnum,
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(value) =>
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{
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Enum enumValue = (Enum)value;
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string description = GetEnumDescription(enumValue);
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return $"{description} ({enumValue})";
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}
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),
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// Примитивные типы
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new CustomValueFormatter(
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(type) => type.IsPrimitive || type == typeof(string) || type == typeof(decimal),
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(value) => value.ToString() ?? "null"
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),
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// LocaleString
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new TypeValueFormatter<LocaleString>(
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(value) =>
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{
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LocaleString localeString = (LocaleString)value;
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List<string> items = [];
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foreach (LocaleItem item in localeString)
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{
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items.Add($"{item.Locale}: {item.Value}");
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}
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return string.Join("<br/>", items);
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}
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),
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// IEntity
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new CustomValueFormatter(
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(type) => typeof(IEntity).IsAssignableFrom(type),
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(value) =>
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{
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IEntity entity = (IEntity)value;
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EntityType entityType = entity.Entity.Type;
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string typeName = PgNameHelper.GetPgName(entityType);
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string slug = entity.Entity.Slug;
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string name = entity.Entity.Name[LocaleType.English];
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return $"<a href=\"/{typeName}/{slug}\">{name}</a>";
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}
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),
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// EntitySource
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new TypeValueFormatter<EntitySource>(
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(value) =>
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{
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EntitySource entitySource = (EntitySource)value;
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string sourceName = entitySource.Source.Name;
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string suffix = !string.IsNullOrEmpty(entitySource.Suffix)
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? $" ({entitySource.Suffix})"
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: "";
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string isRemaster = entitySource.IsRemaster ? " [Remaster]" : "";
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return $"{sourceName}{suffix}{isRemaster}";
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}
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),
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// Keyword
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new TypeValueFormatter<Keyword>(
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(value) =>
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{
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Keyword keyword = (Keyword)value;
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string name = keyword.Name[LocaleType.English];
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return $"{name}";
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}
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),
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// KeywordAlias
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new TypeValueFormatter<KeywordAlias>(
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(value) =>
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{
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KeywordAlias alias = (KeywordAlias)value;
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return $"{alias.Value}";
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}
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),
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// ExternalTarget
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new TypeValueFormatter<ExternalTarget>(
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(value) =>
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{
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ExternalTarget target = (ExternalTarget)value;
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return $"{target.Name} (Icon: {target.Icon}, Prefix: {target.Prefix})";
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}
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),
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// EntityExternal
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new TypeValueFormatter<EntityExternal>(
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(value) =>
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{
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EntityExternal entityExternal = (EntityExternal)value;
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string targetName = entityExternal.Target?.Name ?? "Unknown";
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string externalId = !string.IsNullOrEmpty(entityExternal.ExternalId)
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? $" ID: {entityExternal.ExternalId}"
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: "";
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string suffix = !string.IsNullOrEmpty(entityExternal.Suffix)
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? $" Suffix: {entityExternal.Suffix}"
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: "";
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return $"{targetName}{externalId}{suffix}";
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}
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),
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// Source
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new TypeValueFormatter<Source>(
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(value) =>
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{
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Source source = (Source)value;
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string releaseDate = source.ReleaseDate?.ToString("yyyy-MM-dd") ?? "Unknown";
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return $"{source.Name} (Category: {source.Category}, Release: {releaseDate})";
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}
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),
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// Коллекции
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new CollectionFormatter(this),
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];
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}
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}
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