public AlliterationOptions CreateAlliterationOptionsForCategory(AlliterationCategory category)
{
var adjectives = this.wordListBuilder.BuildDictionaryForCategory(AlliterationPart.Adjective, category);
var nouns = this.wordListBuilder.BuildDictionaryForCategory(AlliterationPart.Noun, category);
var startingCharacters = this.allowedStartingCharacterBuilder
.GetAllowedStartingCharacters(adjectives.Keys, nouns.Keys);
return(new AlliterationOptions
{
Adjectives = adjectives,
Nouns = nouns,
AllowedStartingCharacters = startingCharacters
});
}
public IEnumerable <string> GetAlliterationsByCategory(AlliterationCategory category, int count)
{
if (count <= 0)
{
throw new ArgumentException(nameof(count));
}
var options = this.cachingProvider.GetOrSetInCache($"category_{category}",
() => this.alliterationOptionsFactory.CreateAlliterationOptionsForCategory(category));
for (var i = 0; i < count; i++)
{
var startingCharacter = this.GetRandomEntryFromArray(options.AllowedStartingCharacters);
yield return(this.GetAlliteration(options, startingCharacter));
}
}
public IEnumerable <string> GetAlliterationsByCategoryAndStartingChar(AlliterationCategory category, char start, int count)
{
if (count <= 0)
{
throw new ArgumentException(nameof(count));
}
var options = this.cachingProvider.GetOrSetInCache($"category_{category}",
() => this.alliterationOptionsFactory.CreateAlliterationOptionsForCategory(category));
start = char.ToUpper(start);
if (!options.AllowedStartingCharacters.Contains(start))
{
throw new ArgumentException(nameof(start));
}
for (var i = 0; i < count; i++)
{
yield return(this.GetAlliteration(options, start));
}
}
public IDictionary <char, string[]> BuildDictionaryForCategory(AlliterationPart part, AlliterationCategory category)
{
var path = this.wordListPathConfigurationProvider
.GetPathForPartAndCategory(part, category);
var words = this.wordFileReader.ReadLines(path);
var lookup = words.ToLookup(word => char.ToUpper(word[0]));
return(lookup.ToDictionary(grouping => grouping.Key, grouping => grouping.ToArray()));
}
public string GetPathForPartAndCategory(AlliterationPart part, AlliterationCategory category)
{
return(part == AlliterationPart.Adjective
? ".\\WordLists\\WordNet\\adjectives.txt"
: ".\\WordLists\\WordNet\\nouns.txt");
}
