jellyfin/MediaBrowser.Controller/Localization/Ratings.cs
2013-04-10 11:56:36 -04:00

184 lines
6.3 KiB
C#

using MediaBrowser.Controller.Configuration;
using System.Collections.Generic;
using System.IO;
using System.Linq;
namespace MediaBrowser.Controller.Localization
{
/// <summary>
/// Class Ratings
/// </summary>
public static class Ratings
{
public static IServerConfigurationManager ConfigurationManager;
/// <summary>
/// The ratings def
/// </summary>
private static RatingsDefinition ratingsDef;
/// <summary>
/// The _ratings dict
/// </summary>
private static Dictionary<string, int> _ratingsDict;
/// <summary>
/// Gets the ratings dict.
/// </summary>
/// <value>The ratings dict.</value>
public static Dictionary<string, int> RatingsDict
{
get { return _ratingsDict ?? (_ratingsDict = Initialize(false, ConfigurationManager)); }
}
/// <summary>
/// The ratings strings
/// </summary>
private static readonly Dictionary<int, string> ratingsStrings = new Dictionary<int, string>();
/// <summary>
/// Tries the add.
/// </summary>
/// <typeparam name="TKey">The type of the T key.</typeparam>
/// <typeparam name="TValue">The type of the T value.</typeparam>
/// <param name="dictionary">The dictionary.</param>
/// <param name="key">The key.</param>
/// <param name="value">The value.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
private static void TryAdd<TKey, TValue>(Dictionary<TKey, TValue> dictionary, TKey key, TValue value)
{
if (dictionary.ContainsKey(key))
{
return;
}
dictionary.Add(key, value);
}
/// <summary>
/// Initializes the specified block unrated.
/// </summary>
/// <param name="blockUnrated">if set to <c>true</c> [block unrated].</param>
/// <returns>Dictionary{System.StringSystem.Int32}.</returns>
public static Dictionary<string, int> Initialize(bool blockUnrated, IServerConfigurationManager configurationManager)
{
//build our ratings dictionary from the combined local one and us one
ratingsDef = new RatingsDefinition(Path.Combine(configurationManager.ApplicationPaths.LocalizationPath, "Ratings-" + configurationManager.Configuration.MetadataCountryCode + ".txt"), configurationManager);
//global value of None
var dict = new Dictionary<string, int> { { "None", -1 } };
foreach (var pair in ratingsDef.RatingsDict)
{
TryAdd(dict, pair.Key, pair.Value);
}
if (configurationManager.Configuration.MetadataCountryCode.ToUpper() != "US")
{
foreach (var pair in new USRatingsDictionary())
{
TryAdd(dict, pair.Key, pair.Value);
}
}
//global values of CS
TryAdd(dict, "CS", 1000);
TryAdd(dict, "", blockUnrated ? 1000 : 0);
//and rating reverse lookup dictionary (non-redundant ones)
ratingsStrings.Clear();
var lastLevel = -10;
ratingsStrings.Add(-1, LocalizedStrings.Instance.GetString("Any"));
foreach (var pair in ratingsDef.RatingsDict.OrderBy(p => p.Value))
{
if (pair.Value > lastLevel)
{
lastLevel = pair.Value;
TryAdd(ratingsStrings, pair.Value, pair.Key);
}
}
TryAdd(ratingsStrings, 999, "CS");
return dict;
}
/// <summary>
/// Switches the unrated.
/// </summary>
/// <param name="block">if set to <c>true</c> [block].</param>
public static void SwitchUnrated(bool block)
{
RatingsDict.Remove("");
RatingsDict.Add("", block ? 1000 : 0);
}
/// <summary>
/// Levels the specified rating STR.
/// </summary>
/// <param name="ratingStr">The rating STR.</param>
/// <returns>System.Int32.</returns>
public static int Level(string ratingStr)
{
if (ratingStr == null) ratingStr = "";
if (RatingsDict.ContainsKey(ratingStr))
return RatingsDict[ratingStr];
string stripped = StripCountry(ratingStr);
if (RatingsDict.ContainsKey(stripped))
return RatingsDict[stripped];
return RatingsDict[""]; //return "unknown" level
}
/// <summary>
/// Strips the country.
/// </summary>
/// <param name="rating">The rating.</param>
/// <returns>System.String.</returns>
private static string StripCountry(string rating)
{
int start = rating.IndexOf('-');
return start > 0 ? rating.Substring(start + 1) : rating;
}
/// <summary>
/// Returns a <see cref="System.String" /> that represents this instance.
/// </summary>
/// <param name="level">The level.</param>
/// <returns>A <see cref="System.String" /> that represents this instance.</returns>
public static string ToString(int level)
{
//return the closest one
while (level > 0)
{
if (ratingsStrings.ContainsKey(level))
return ratingsStrings[level];
level--;
}
return ratingsStrings.Values.FirstOrDefault(); //default to first one
}
/// <summary>
/// To the strings.
/// </summary>
/// <returns>List{System.String}.</returns>
public static List<string> ToStrings()
{
//return the whole list of ratings strings
return ratingsStrings.Values.ToList();
}
/// <summary>
/// To the values.
/// </summary>
/// <returns>List{System.Int32}.</returns>
public static List<int> ToValues()
{
//return the whole list of ratings values
return ratingsStrings.Keys.ToList();
}
//public Microsoft.MediaCenter.UI.Image RatingImage(string rating)
//{
// return Helper.GetMediaInfoImage("Rated_" + rating);
//}
}
}