/// <inheritdoc />
protected override async Task Handle(BotActionRequest <UnsubscribeAction> request, CancellationToken cancellationToken)
{
var chat = request.Update.Message.Chat;
var channel = await _channelStore.GetAsync(request.Action.Channel, cancellationToken);
if (channel == null)
{
var message = Localizer.GetString(BotResources.UnsubscribeFailedChannelNotFound);
await Reply.SendAsync(new SendTelegramReply(chat.Id, message), cancellationToken);
return;
}
var existingSubscription = await _subscriptionsStore.GetAsync(chat.Id, request.Action.Channel, cancellationToken);
if (existingSubscription == null)
{
var message = Localizer.GetString(BotResources.UnsubscribeFailedNotSubscribed);
await Reply.SendAsync(new SendTelegramReply(chat.Id, message), cancellationToken);
return;
}
await _subscriptionsStore.RemoveAsync(existingSubscription, cancellationToken);
var replyMessage = Localizer.GetString(BotResources.UnsubscribeSucceed);
await Reply.SendAsync(new SendTelegramReply(chat.Id, replyMessage), cancellationToken);
}
/// <inheritdoc />
protected override async Task Handle(BotActionRequest <SubscriptionsAction> request, CancellationToken cancellationToken)
{
var chatId = request.Message.Chat.Id;
var subscriptions = await _subscriptionsStore.GetAsync(chatId, cancellationToken);
if (subscriptions.Count < 1)
{
var notSubscribedText = Localizer.GetString(BotResources.ChatSubscriptionsNotFound);
await Reply.SendAsync(new SendTelegramReply(chatId, notSubscribedText), cancellationToken);
return;
}
var subscribedText = Localizer.GetString(BotResources.ChatSubscriptions);
var messageBuilder = new StringBuilder(subscribedText)
.AppendLines(count: 2);
foreach (var(index, subscription) in subscriptions.Index())
{
var command = $"/unsubscribe_{subscription.Channel.Replace('-', '_')}";
messageBuilder.AppendLine($"{index + 1}. {subscription.Channel} ({command})");
}
await Reply.SendAsync(new SendTelegramReply(chatId, messageBuilder.ToString()),
cancellationToken);
}
/// <inheritdoc />
protected override async Task Handle(BotActionRequest <StartAction> request, CancellationToken cancellationToken)
{
var text = Localizer.GetString(BotResources.StartText);
var messageRequest = new SendTelegramReply(request.Chat.Id, text.EscapeMarkdown())
{
ParseMode = ParseMode.MarkdownV2,
DisableWebPagePreview = true
};
await Reply.SendAsync(messageRequest, cancellationToken);
}
/// <inheritdoc />
protected override async Task Handle(BotActionRequest <SubscribeAction> request, CancellationToken cancellationToken)
{
var chat = request.Update.Message.Chat;
var channel = await _channelStore.GetAsync(request.Action.Channel, cancellationToken);
if (channel == null)
{
var message = Localizer.GetString(BotResources.SubscribeFailedChannelNotFound);
await Reply.SendAsync(new SendTelegramReply(chat.Id, message),
cancellationToken);
return;
}
var subscriptionExists = await _subscriptionsStore.ExistsAsync(request.Action.Channel, chat.Id, cancellationToken);
if (subscriptionExists)
{
var message = Localizer.GetString(BotResources.SubscribeFailedAlreadySubscribed);
await Reply.SendAsync(new SendTelegramReply(chat.Id, message), cancellationToken);
return;
}
var subscription = new AlertsSubscription
{
Channel = request.Action.Channel,
ChatId = chat.Id,
ChatName = chat.Username != null
? $"@{chat.Username}"
: chat.Title
};
await _subscriptionsStore.StoreAsync(subscription, cancellationToken);
var replyMessage = Localizer.GetString(BotResources.SubscribeSucceed);
await Reply.SendAsync(new SendTelegramReply(chat.Id, replyMessage), cancellationToken);
}
/// <inheritdoc />
protected override async Task Handle(BotActionRequest <ChannelsAction> request, CancellationToken cancellationToken)
{
var chatId = request.Message.Chat.Id;
var channels = await _channelStore.GetAllAsync(cancellationToken);
if (channels.Count < 1)
{
var notSubscribedText = Localizer.GetString(BotResources.ChannelsNotFound);
var replyRequest = new SendTelegramReply(chatId, notSubscribedText);
await Reply.SendAsync(replyRequest, cancellationToken);
return;
}
var subscribedText = Localizer.GetString(BotResources.Channels);
var messageBuilder = new StringBuilder(subscribedText)
.AppendLines(count: 2);
foreach (var(index, channel) in channels.Index())
{
var userSubscribed = await _subscriptionsStore.ExistsAsync(channel.Name, chatId, cancellationToken);
var descriptionSuffix = string.IsNullOrWhiteSpace(channel.Description)
? string.Empty
: $" — {channel.Description}";
var subscribeSuffix = userSubscribed
? string.Empty
: $" (/subscribe_{channel.Name.Replace('-', '_')})";
messageBuilder.AppendLine($"{index + 1}. {channel.Name}{descriptionSuffix}{subscribeSuffix}");
}
await Reply.SendAsync(new SendTelegramReply(chatId, messageBuilder.ToString()), cancellationToken);
}
