75bd409ba0
Backend support for subscribing/unsubscribing to blocks, typically cards and boards. Notifies subscribers when changes are made to cards they are subscribed to.
64 lines
1.8 KiB
Go
64 lines
1.8 KiB
Go
// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
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// See LICENSE.txt for license information.
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package plugindelivery
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import (
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"errors"
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"fmt"
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"github.com/mattermost/focalboard/server/model"
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mm_model "github.com/mattermost/mattermost-server/v6/model"
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)
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var (
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ErrUnsupportedSubscriberType = errors.New("invalid subscriber type")
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)
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// SubscriptionDeliverSlashAttachments notifies a user that changes were made to a block they are subscribed to.
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func (pd *PluginDelivery) SubscriptionDeliverSlackAttachments(workspaceID string, subscriberID string, subscriptionType model.SubscriberType,
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attachments []*mm_model.SlackAttachment) error {
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// check subscriber is member of channel
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_, err := pd.api.GetChannelMember(workspaceID, subscriberID)
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if err != nil {
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if pd.api.IsErrNotFound(err) {
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// subscriber is not a member of the channel; fail silently.
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return nil
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}
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return fmt.Errorf("cannot fetch channel member for user %s: %w", subscriberID, err)
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}
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channelID, err := pd.getDirectChannelID(subscriberID, subscriptionType, pd.botID)
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if err != nil {
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return err
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}
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post := &mm_model.Post{
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UserId: pd.botID,
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ChannelId: channelID,
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}
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mm_model.ParseSlackAttachment(post, attachments)
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return pd.api.CreatePost(post)
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}
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func (pd *PluginDelivery) getDirectChannelID(subscriberID string, subscriberType model.SubscriberType, botID string) (string, error) {
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switch subscriberType {
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case model.SubTypeUser:
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user, err := pd.api.GetUserByID(subscriberID)
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if err != nil {
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return "", fmt.Errorf("cannot find user: %w", err)
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}
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channel, err := pd.api.GetDirectChannel(user.Id, botID)
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if err != nil {
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return "", fmt.Errorf("cannot get direct channel: %w", err)
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}
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return channel.Id, nil
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case model.SubTypeChannel:
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return subscriberID, nil
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default:
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return "", ErrUnsupportedSubscriberType
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}
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}
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