/// <summary>
/// Safe removes RoleID by its index. Removes all relations with that RoleID. Updates all other indexes in relations.
/// </summary>
/// <param name="settings"></param>
/// <param name="roleIdIndex">Index of the RoleID to remove</param>
public static void RemoveRoleIdByIndex(this RoleByPhraseSettings settings, int roleIdIndex)
{
settings.RolesIds.ValidateIndex(roleIdIndex);
var affectedElementsOldIds = new List <int>();
for (var i = roleIdIndex; i < settings.RolesIds.Count; i++)
{
affectedElementsOldIds.Add(i);
}
settings.RolesIds.RemoveAt(roleIdIndex);
settings.Relations = settings.Relations.Where(r => r.RoleIdIndex != roleIdIndex).ToList();
if (affectedElementsOldIds.Count == 1)
{
return;
}
foreach (var oldIndex in affectedElementsOldIds)
{
foreach (var rel in settings.Relations.Where(r => r.RoleIdIndex == oldIndex))
{
rel.RoleIdIndex = oldIndex - 1;
}
}
}
/// <summary>
/// Adds a role ID to the list for Phrase to Role relations.
/// </summary>
/// <param name="settings"></param>
/// <param name="roleId">Discord ID of the target role.</param>
/// <exception cref="RoleIdAlreadyAddedException"></exception>
public static void AddRole(this RoleByPhraseSettings settings, ulong roleId)
{
if (settings.RolesIds.Contains(roleId))
{
throw new RoleIdAlreadyAddedException($"The role with ID '{roleId}' is already added.");
}
settings.RolesIds.Add(roleId);
}
/// <summary>
/// Creates a relation based on the index of a phrase and an index of a roleID.
/// </summary>
/// <param name="settings"></param>
/// <param name="phraseIndex">Index of the phrase in the list.</param>
/// <param name="roleIdIndex">Index of the role ID in the list.</param>
/// <exception cref="ArgumentException"></exception>
/// <exception cref="RelationAlreadyExistsException"></exception>
public static void CreateRelation(this RoleByPhraseSettings settings, int phraseIndex, int roleIdIndex)
{
settings.Phrases.ValidateIndex(phraseIndex);
settings.RolesIds.ValidateIndex(roleIdIndex);
if (settings.Relations.Any(r => r.PhraseIndex == phraseIndex && r.RoleIdIndex == roleIdIndex))
{
throw new RelationAlreadyExistsException();
}
settings.Relations.Add(new RoleByPhraseRelation {
PhraseIndex = phraseIndex, RoleIdIndex = roleIdIndex
});
}
/// <summary>
/// Removes a relation based on its phraseIndex and roleIdIndex.
/// </summary>
/// <param name="settings"></param>
/// <param name="phraseIndex">index of the target Phrase</param>
/// <param name="roleIdIndex">index of the target RoleID</param>
/// <exception cref="ArgumentException"></exception>
/// <exception cref="RelationNotFoundException"></exception>
public static void RemoveRelation(this RoleByPhraseSettings settings, int phraseIndex, int roleIdIndex)
{
settings.Phrases.ValidateIndex(phraseIndex);
settings.RolesIds.ValidateIndex(roleIdIndex);
if (!settings.Relations.Any(r => r.PhraseIndex == phraseIndex && r.RoleIdIndex == roleIdIndex))
{
throw new RelationNotFoundException();
}
settings.Relations = settings.Relations
.Where(r => r.PhraseIndex != phraseIndex || r.RoleIdIndex != roleIdIndex)
.ToList();
}
/// <summary>
/// Adds a phrase to the list for Phrase to Role relations.
/// </summary>
/// <param name="settings"></param>
/// <param name="phrase">String phrase to trigger a relation action.</param>
/// <exception cref="PhraseAlreadyAddedException"></exception>
/// <exception cref="InvalidPhraseException"></exception>
public static void AddPhrase(this RoleByPhraseSettings settings, string phrase)
{
if (settings.Phrases.Contains(phrase))
{
throw new PhraseAlreadyAddedException($"Phrase '{phrase}' is already added.");
}
if (phrase == string.Empty || phrase.Length > Constants.MaxMessageLength - 50)
{
throw new InvalidPhraseException();
}
settings.Phrases.Add(phrase);
}
/// <summary>
/// Forces a relation to be added. If either the phrase or roleId does not exist, it is added.
/// </summary>
/// <param name="settings"></param>
/// <param name="phrase">Phrase for the relation</param>
/// <param name="roleId">Role ID for the relation</param>
/// <exception cref="RelationAlreadyExistsException"></exception>
public static void ForceCreateRelation(this RoleByPhraseSettings settings, string phrase, ulong roleId)
{
if (!settings.Phrases.Contains(phrase))
{
settings.Phrases.Add(phrase);
}
if (!settings.RolesIds.Contains(roleId))
{
settings.RolesIds.Add(roleId);
}
var phraseIndex = settings.Phrases.IndexOf(phrase);
var roleIdIndex = settings.RolesIds.IndexOf(roleId);
if (settings.Relations.Any(r => r.PhraseIndex == phraseIndex && r.RoleIdIndex == roleIdIndex))
{
throw new RelationAlreadyExistsException();
}
settings.Relations.Add(new RoleByPhraseRelation {
PhraseIndex = phraseIndex, RoleIdIndex = roleIdIndex
});
}
