/// <summary>
/// Gets a queryable list of characters on the given guild.
/// </summary>
/// <param name="guild">The guild.</param>
/// <returns>A retrieval result which may or may not have succeeded.</returns>
public async Task <RetrieveEntityResult <IQueryable <Character> > > GetCharacters(IGuild guild)
{
var getServer = await _servers.GetOrRegisterServerAsync(guild);
if (!getServer.IsSuccess)
{
return(RetrieveEntityResult <IQueryable <Character> > .FromError(getServer));
}
var server = getServer.Entity;
return(RetrieveEntityResult <IQueryable <Character> > .FromSuccess(_characters.GetCharacters(server)));
}
/// <summary>
/// Deletes the character role for the given Discord role.
/// </summary>
/// <param name="role">The character role.</param>
/// <returns>A deletion result which may or may not have succeeded.</returns>
public async Task <DeleteEntityResult> DeleteCharacterRoleAsync(CharacterRole role)
{
var currentCharactersWithRole = await _characters.GetCharacters(role.Server)
.Where(c => c.Role == role)
.Where(c => c.IsCurrent)
.ToListAsync();
_database.CharacterRoles.Remove(role);
await _database.SaveChangesAsync();
var guild = await _client.GetGuildAsync((ulong)role.Server.DiscordID);
if (guild is null)
{
return(DeleteEntityResult.FromError("Could not retrieve the guild the role was on."));
}
foreach (var character in currentCharactersWithRole)
{
var owner = await guild.GetUserAsync((ulong)character.Owner.DiscordID);
var discordRole = guild.GetRole((ulong)role.DiscordID);
if (owner is null || discordRole is null)
{
return(DeleteEntityResult.FromError("Failed to get the owner or role."));
}
var removeRole = await _discord.RemoveUserRoleAsync(owner, discordRole);
if (!removeRole.IsSuccess)
{
return(DeleteEntityResult.FromError(removeRole));
}
}
return(DeleteEntityResult.FromSuccess());
}