private async Task FilterIgnoreCommandAsync(CommandContext ctx, ulong id, string?filterName = null)
{
var name = filterName?.ToLower() ?? GuildFilters.AllFilters; // A indicates ALL filters.
var filter = await this._model.FindAsync <GuildFilters>(ctx.Guild.Id);
if (filter is null)
{
filter = new GuildFilters(ctx.Guild.Id);
await this._model.AddAsync(filter);
await this._model.SaveChangesAsync();
}
if (name != GuildFilters.AllFilters && !filter.Filters.TryGetValue(name, out var fData))
{
await RespondBasicErrorAsync("Filter name not found.");
return;
}
var exsists = filter.BypassFilters.TryGetValue(id, out HashSet <string>?currentNames);
bool added = true;
if (currentNames is null)
{
currentNames = new HashSet <string>();
currentNames.Add(name);
}
else
{
if (currentNames.Contains(name))
{
currentNames.Remove(name);
added = false;
}
else
{
currentNames.Add(name);
}
}
this._model.Update(filter);
filter.BypassFilters[id] = currentNames;
await this._model.SaveChangesAsync();
await RespondBasicSuccessAsync($"Bypass filter {(added ? "added" : "removed")}.");
}
public async Task CreateFilterCommandAsync(CommandContext ctx,
[Description("One word name of the new filter")]
string filterName,
[Description("Words to filter out with this filter, only letters are allowed.")]
params string[] words)
{
var name = filterName.ToLower();
bool force = false;
if (words.Contains("-force"))
{
force = true;
}
var filterWords = words.Where(x => GuildFilters.regex.IsMatch(x)).ToHashSet <string>();
var filter = await this._model.FindAsync <GuildFilters>(ctx.Guild.Id);
if (filter is null)
{
filter = new GuildFilters(ctx.Guild.Id);
await this._model.AddAsync(filter);
await this._model.SaveChangesAsync();
}
if (!force && filter.Filters.TryGetValue(name, out _))
{
await RespondBasicErrorAsync($"Filter name already exsits! Use `{ctx.Prefix}filterupdate` to update the filter.\n" +
$"Or, use `-force` to replace the values. Ex: `{ctx.Prefix}createfilter {name} -force {string.Join(" ", filterWords)}`");
return;
}
this._model.Update(filter);
filter.Filters[name] = new Tuple <int, HashSet <string> >(1, filterWords);
var data = JsonConvert.SerializeObject(filter.Filters);
await this._model.SaveChangesAsync();
await RespondBasicSuccessAsync($"Created new filter by the name of {name} with the words:\n" +
$"`{string.Join("`, `", filterWords)}`");
}
public static async Task Run(GuildFilters filter, MessageCreateEventArgs e, CancellationToken cancellationToken)
{
try
{
cancellationToken.ThrowIfCancellationRequested();
var direct = filter.DirectMatches;
var anywhere = filter.FoundAnywhereMatches;
if (filter.BypassFilters.ContainsKey(e.Channel.Id))
{
var bypasses = filter.BypassFilters[e.Channel.Id];
if (bypasses.Contains(GuildFilters.AllFilters))
{
return;
}
else
{
foreach (var b in bypasses)
{
cancellationToken.ThrowIfCancellationRequested();
direct.ExceptWith(filter.Filters[b].Item2);
anywhere.ExceptWith(filter.Filters[b].Item2);
}
}
}
if (filter.BypassFilters.ContainsKey(e.Author.Id))
{
var bypasses = filter.BypassFilters[e.Author.Id];
if (bypasses.Contains(GuildFilters.AllFilters))
{
return;
}
else
{
foreach (var b in bypasses)
{
cancellationToken.ThrowIfCancellationRequested();
direct.ExceptWith(filter.Filters[b].Item2);
anywhere.ExceptWith(filter.Filters[b].Item2);
}
}
}
cancellationToken.ThrowIfCancellationRequested();
var member = await e.Guild.GetMemberAsync(e.Author.Id);
// Guild managers auto bypass.
if (member.PermissionsIn(e.Channel).HasPermission(Permissions.ManageGuild))
{
return;
}
foreach (var role in member.Roles)
{
cancellationToken.ThrowIfCancellationRequested();
if (filter.BypassFilters.ContainsKey(role.Id))
{
var bypasses = filter.BypassFilters[role.Id];
if (bypasses.Contains(GuildFilters.AllFilters))
{
return;
}
else
{
foreach (var b in bypasses)
{
cancellationToken.ThrowIfCancellationRequested();
direct.ExceptWith(filter.Filters[b].Item2);
anywhere.ExceptWith(filter.Filters[b].Item2);
}
}
}
}
cancellationToken.ThrowIfCancellationRequested();
var content = e.Message.Content.Split(" ", StringSplitOptions.RemoveEmptyEntries);
foreach (var word in content)
{
cancellationToken.ThrowIfCancellationRequested();
if (direct.Contains(word))
{
await e.Message.DeleteAsync();
return;
}
else
{
foreach (var part in anywhere)
{
cancellationToken.ThrowIfCancellationRequested();
if (word.Contains(part))
{
await e.Message.DeleteAsync();
return;
}
}
}
}
}
finally
{
FilterUtils.TryRemove(e.Message.Id, out _);
}
}