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@using LibMatrix.EventTypes.Spec.State.Policy
@using System.Reflection
@using ArcaneLibs.Attributes
@using LibMatrix
@using System.Collections.Frozen
@using LibMatrix.EventTypes
@using LibMatrix.RoomTypes
<ModalWindow
Title="@("Creating many new " + (PolicyTypes.ContainsKey(MappedType ?? "") ? PolicyTypes[MappedType!].GetFriendlyNamePluralOrNull()?.ToLower() ?? PolicyTypes[MappedType!].Name : "event"))"
OnCloseClicked="@OnClose" X="60" Y="60" MinWidth="600">
<span>Policy type:</span>
<select @bind="@MappedType">
<option>Select a value</option>
@foreach (var (type, mappedType) in PolicyTypes) {
<option value="@type">@mappedType.GetFriendlyName().ToLower()</option>
}
</select><br/>
<span>Reason:</span>
<FancyTextBox @bind-Value="@Reason"></FancyTextBox>
<br/>
<span>Recommendation:</span>
<FancyTextBox @bind-Value="@Recommendation"></FancyTextBox>
<br/>
<span>Entities:</span><br/>
<FancyTextBox Multiline="true" @bind-Value="@Entities"></FancyTextBox>
<br/>
@* <details> *@
@* <summary>JSON data</summary> *@
@* <pre> *@
@* $1$ @PolicyEvent.ToJson(true, true) #1# *@
@* </pre> *@
@* </details> *@
@if (!VerifyIntent) {
<LinkButton OnClickAsync="@(() => {
OnClose.Invoke();
return Task.CompletedTask;
})"> Cancel
</LinkButton>
<LinkButton OnClickAsync="@(() => {
_ = Save();
return Task.CompletedTask;
})"> Save
</LinkButton>
@if (!string.IsNullOrWhiteSpace(Response)) {
<pre style="color: red;">@Response</pre>
}
}
else {
<b class="blink">WARNING!!!</b>
<br/>
@if (!string.IsNullOrWhiteSpace(Response)) {
<pre style="color: red;">@Response</pre>
}
<span>Are you sure you want to do this?</span>
<LinkButton Color="#00FF00" OnClick="@(() => {
VerifyIntent = false;
Response = null;
StateHasChanged();
})">No
</LinkButton>
<LinkButton Color="#FF0000" OnClick="@(() => { _ = Save(force: true); })">Yes</LinkButton>
}
</ModalWindow>
@code {
[Parameter]
public required Action OnClose { get; set; }
[Parameter]
public required Action OnSaved { get; set; }
[Parameter]
public required GenericRoom Room { get; set; }
private string Recommendation { get; set; } = "m.ban";
private string Reason { get; set; } = "spam";
private string Entities { get; set; } = "";
private string? Response {
get;
set {
field = value;
StateHasChanged();
}
}
private bool VerifyIntent { get; set; }
private static FrozenSet<Type> KnownPolicyTypes = MatrixEvent.KnownEventTypes.Where(x => x.IsAssignableTo(typeof(PolicyRuleEventContent))).ToFrozenSet();
private static Dictionary<string, Type> PolicyTypes = KnownPolicyTypes
.ToDictionary(x => x.GetCustomAttributes<MatrixEventAttribute>().First(y => !string.IsNullOrWhiteSpace(y.EventName)).EventName, x => x);
private static FrozenSet<string> AllKnownPolicyTypes = KnownPolicyTypes
.SelectMany(x => x.GetCustomAttributes<MatrixEventAttribute>().Select(y => y.EventName))
.ToFrozenSet();
private string? MappedType { get; set; }
private async Task Save(bool force = false) {
if (string.IsNullOrWhiteSpace(MappedType)) {
Response = "No type selected";
return;
}
if (string.IsNullOrWhiteSpace(Entities)) {
Response = "No users selected";
return;
}
Console.WriteLine("Saving ---");
var entities = Entities.Split("\n", StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries)
.Select(x => x.Trim())
.Distinct()
.ToList();
if (!force && !Validate(entities, PolicyTypes[MappedType])) {
List<string> distinctTypes = entities
.Select(GuessType)
.Where(x => x != null)
.Distinct()
.Select(x => x!.Name)
.ToList();
VerifyIntent = true;
Response = $"Invalid entities. Expected {PolicyTypes[MappedType].Name}, got:\n - " +
string.Join("\n - ", distinctTypes);
return;
}
try {
await SaveAll(entities);
}
catch (Exception e) {
Response = $"Failed to save: {e}";
}
}
private bool Validate(List<string> entities, Type expectedType) {
return entities.All(x => GuessType(x) == expectedType);
}
private Type? GuessType(string entity) {
var sigil = entity[0];
return TypesBySigil.GetValueOrDefault(sigil.ToString(), typeof(ServerPolicyRuleEventContent));
}
private Dictionary<string, Type> TypesBySigil = new() {
{ "@", typeof(UserPolicyRuleEventContent) },
{ "!", typeof(RoomPolicyRuleEventContent) },
{ "#", typeof(RoomPolicyRuleEventContent) }
};
private async Task SaveAll(List<string> entities) {
await foreach (var evt in Room.GetFullStateAsync()) {
if (evt is null
|| !AllKnownPolicyTypes.Contains(evt.Type)
|| !evt.TypedContent!.GetType().IsAssignableTo(PolicyTypes[MappedType!])
) continue;
if (evt.TypedContent is PolicyRuleEventContent content && content.Recommendation == Recommendation && content.Reason == Reason) {
if (content.Entity != null && entities.Contains(content.Entity))
entities.Remove(content.Entity);
}
}
// var tasks = entities.Select(x => ExecuteBan(Room, x)).ToList();
// await Task.WhenAll(tasks);
var events = entities.Select(entity => {
var content = Activator.CreateInstance(PolicyTypes[MappedType!]) as PolicyRuleEventContent ?? throw new InvalidOperationException("Failed to create event content");
content.Recommendation = Recommendation;
content.Reason = Reason;
content.Entity = entity;
return new MatrixEvent() {
Type = MappedType,
TypedContent = content,
StateKey = content.GetDraupnir2StateKey()
};
});
foreach (var chunk in events.Chunk(50))
await Room.BulkSendEventsAsync(chunk);
OnSaved.Invoke();
}
private async Task ExecuteBan(GenericRoom room, string entity) {
bool success = false;
while (!success) {
try {
var content = Activator.CreateInstance(PolicyTypes[MappedType!]) as PolicyRuleEventContent ?? throw new InvalidOperationException("Failed to create event content");
content.Recommendation = Recommendation;
content.Reason = Reason;
content.Entity = entity;
await room.SendStateEventAsync(MappedType!, content.GetDraupnir2StateKey(), content);
success = true;
}
catch (MatrixException e) {
if (e is not { ErrorCode: MatrixException.ErrorCodes.M_FORBIDDEN }) throw;
Console.WriteLine(e);
}
catch (Exception e) {
//ignored
Console.WriteLine(e);
}
}
}
}
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