public static FieldConverter ResolveLanguages(LanguagesConfig languages)
{
var codeForInvariant = InvariantPartitioning.Key;
return((data, field) =>
{
if (field.Partitioning.Equals(Partitioning.Language))
{
var result = new ContentFieldData();
foreach (var languageCode in languages.AllKeys)
{
if (data.TryGetValue(languageCode, out var value))
{
result[languageCode] = value;
}
else if (languages.IsMaster(languageCode) && data.TryGetValue(codeForInvariant, out value))
{
result[languageCode] = value;
}
}
return result;
}
return data;
});
}
public static AppLanguageDto FromLanguage(Language language, LanguageConfig config, LanguagesConfig languages)
{
var result = new AppLanguageDto
{
EnglishName = language.EnglishName,
IsMaster = languages.IsMaster(language),
IsOptional = languages.IsOptional(language),
Iso2Code = language.Iso2Code,
Fallback = config.Fallbacks.ToArray()
};
return(result);
}
public static void CanUpdate(LanguagesConfig languages, UpdateLanguage command)
{
Guard.NotNull(command);
Validate.It(() => "Cannot update language.", e =>
{
var language = command.Language;
if (language == null)
{
e(Not.Defined("Language code"), nameof(command.Language));
}
else
{
EnsureConfigExists(languages, language);
if (languages.IsMaster(language) || command.IsMaster)
{
if (command.IsOptional)
{
e("Master language cannot be made optional.", nameof(command.IsMaster));
}
if (command.Fallback?.Count > 0)
{
e("Master language cannot have fallback languages.", nameof(command.Fallback));
}
}
if (command.Fallback == null)
{
return;
}
foreach (var fallback in command.Fallback)
{
if (!languages.Contains(fallback))
{
e($"App does not have fallback language '{fallback}'.", nameof(command.Fallback));
}
}
}
});
}
public static void CanUpdate(LanguagesConfig languages, UpdateLanguage command)
{
Guard.NotNull(command, nameof(command));
Validate.It(e =>
{
var language = command.Language;
if (language == null)
{
e(Not.Defined(nameof(command.Language)), nameof(command.Language));
}
else
{
EnsureConfigExists(languages, language);
if (languages.IsMaster(language) || command.IsMaster)
{
if (command.IsOptional)
{
e(T.Get("apps.languages.masterLanguageNotOptional"), nameof(command.IsMaster));
}
if (command.Fallback?.Length > 0)
{
e(T.Get("apps.languages.masterLanguageNoFallbacks"), nameof(command.Fallback));
}
}
if (command.Fallback == null)
{
return;
}
foreach (var fallback in command.Fallback)
{
if (!languages.Contains(fallback))
{
e(T.Get("apps.languages.fallbackNotFound", new { fallback }), nameof(command.Fallback));
}
}
}
});
}
public static void CanRemove(LanguagesConfig languages, RemoveLanguage command)
{
Guard.NotNull(command);
Validate.It(() => "Cannot remove language.", e =>
{
var language = command.Language;
if (language == null)
{
e(Not.Defined("Language code"), nameof(command.Language));
}
else
{
EnsureConfigExists(languages, language);
if (languages.IsMaster(language))
{
e("Master language cannot be removed.");
}
}
});
}
public static void CanRemove(LanguagesConfig languages, RemoveLanguage command)
{
Guard.NotNull(command, nameof(command));
Validate.It(e =>
{
var language = command.Language;
if (language == null)
{
e(Not.Defined(nameof(command.Language)), nameof(command.Language));
}
else
{
EnsureConfigExists(languages, language);
if (languages.IsMaster(language))
{
e(T.Get("apps.languages.masterLanguageNotRemovable"));
}
}
});
}