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using System;
using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
using System.Linq;
namespace MediaBrowser.Model.Entities
{
/// <summary>
/// Class ProviderIdsExtensions.
/// </summary>
public static class ProviderIdsExtensions
{
/// <summary>
/// Case insensitive dictionary of <see cref="MetadataProvider"/> string representation.
/// </summary>
private static readonly Dictionary<string, string> _metadataProviderEnumDictionary =
Enum.GetValues<MetadataProvider>()
.ToDictionary(
enumValue => enumValue.ToString(),
enumValue => enumValue.ToString(),
StringComparer.OrdinalIgnoreCase);
/// <summary>
/// Checks if this instance has an id for the given provider.
/// </summary>
/// <param name="instance">The instance.</param>
/// <param name="name">The of the provider name.</param>
/// <returns><c>true</c> if a provider id with the given name was found; otherwise <c>false</c>.</returns>
public static bool HasProviderId(this IHasProviderIds instance, string name)
{
ArgumentNullException.ThrowIfNull(instance);
return instance.TryGetProviderId(name, out _);
}
/// <summary>
/// Checks if this instance has an id for the given provider.
/// </summary>
/// <param name="instance">The instance.</param>
/// <param name="provider">The provider.</param>
/// <returns><c>true</c> if a provider id with the given name was found; otherwise <c>false</c>.</returns>
public static bool HasProviderId(this IHasProviderIds instance, MetadataProvider provider)
{
return instance.HasProviderId(provider.ToString());
}
/// <summary>
/// Gets a provider id.
/// </summary>
/// <param name="instance">The instance.</param>
/// <param name="name">The name.</param>
/// <param name="id">The provider id.</param>
/// <returns><c>true</c> if a provider id with the given name was found; otherwise <c>false</c>.</returns>
public static bool TryGetProviderId(this IHasProviderIds instance, string name, [NotNullWhen(true)] out string? id)
{
ArgumentNullException.ThrowIfNull(instance);
if (instance.ProviderIds is null)
{
id = null;
return false;
}
var foundProviderId = instance.ProviderIds.TryGetValue(name, out id);
// This occurs when searching with Identify (and possibly in other places)
if (string.IsNullOrEmpty(id))
{
id = null;
foundProviderId = false;
}
return foundProviderId;
}
/// <summary>
/// Gets a provider id.
/// </summary>
/// <param name="instance">The instance.</param>
/// <param name="provider">The provider.</param>
/// <param name="id">The provider id.</param>
/// <returns><c>true</c> if a provider id with the given name was found; otherwise <c>false</c>.</returns>
public static bool TryGetProviderId(this IHasProviderIds instance, MetadataProvider provider, [NotNullWhen(true)] out string? id)
{
return instance.TryGetProviderId(provider.ToString(), out id);
}
/// <summary>
/// Gets a provider id.
/// </summary>
/// <param name="instance">The instance.</param>
/// <param name="name">The name.</param>
/// <returns>System.String.</returns>
public static string? GetProviderId(this IHasProviderIds instance, string name)
{
instance.TryGetProviderId(name, out string? id);
return id;
}
/// <summary>
/// Gets a provider id.
/// </summary>
/// <param name="instance">The instance.</param>
/// <param name="provider">The provider.</param>
/// <returns>System.String.</returns>
public static string? GetProviderId(this IHasProviderIds instance, MetadataProvider provider)
{
return instance.GetProviderId(provider.ToString());
}
/// <summary>
/// Sets a provider id.
/// </summary>
/// <param name="instance">The instance.</param>
/// <param name="name">The name, this should not contain a '=' character.</param>
/// <param name="value">The value.</param>
/// <remarks>Due to how deserialization from the database works the name can not contain '='.</remarks>
public static void SetProviderId(this IHasProviderIds instance, string name, string value)
{
ArgumentNullException.ThrowIfNull(instance);
ArgumentException.ThrowIfNullOrEmpty(name);
ArgumentException.ThrowIfNullOrEmpty(value);
// When name contains a '=' it can't be deserialized from the database
if (name.Contains('=', StringComparison.Ordinal))
{
throw new ArgumentException("Provider id name cannot contain '='", nameof(name));
}
// Ensure it exists
instance.ProviderIds ??= new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
// Match on internal MetadataProvider enum string values before adding arbitrary providers
if (_metadataProviderEnumDictionary.TryGetValue(name, out var enumValue))
{
instance.ProviderIds[enumValue] = value;
}
else
{
instance.ProviderIds[name] = value;
}
}
/// <summary>
/// Sets a provider id.
/// </summary>
/// <param name="instance">The instance.</param>
/// <param name="provider">The provider.</param>
/// <param name="value">The value.</param>
public static void SetProviderId(this IHasProviderIds instance, MetadataProvider provider, string value)
{
instance.SetProviderId(provider.ToString(), value);
}
/// <summary>
/// Removes a provider id.
/// </summary>
/// <param name="instance">The instance.</param>
/// <param name="name">The name.</param>
public static void RemoveProviderId(this IHasProviderIds instance, string name)
{
ArgumentNullException.ThrowIfNull(instance);
ArgumentException.ThrowIfNullOrEmpty(name);
instance.ProviderIds?.Remove(name);
}
/// <summary>
/// Removes a provider id.
/// </summary>
/// <param name="instance">The instance.</param>
/// <param name="provider">The provider.</param>
public static void RemoveProviderId(this IHasProviderIds instance, MetadataProvider provider)
{
ArgumentNullException.ThrowIfNull(instance);
instance.ProviderIds?.Remove(provider.ToString());
}
}
}
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