focalboard/server/services/notify/plugindelivery/plugin_delivery.go

93 lines
2.7 KiB
Go

// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
package plugindelivery
import (
"fmt"
"github.com/mattermost/focalboard/server/services/notify"
"github.com/mattermost/mattermost-server/v6/model"
)
type PluginAPI interface {
// GetDirectChannel gets a direct message channel.
// If the channel does not exist it will create it.
GetDirectChannel(userID1, userID2 string) (*model.Channel, error)
// CreatePost creates a post.
CreatePost(post *model.Post) error
// GetUserByID gets a user by their ID.
GetUserByID(userID string) (*model.User, error)
// GetUserByUsername gets a user by their username.
GetUserByUsername(name string) (*model.User, error)
// GetTeamMember gets a team member by their user id.
GetTeamMember(teamID string, userID string) (*model.TeamMember, error)
// GetChannelByID gets a Channel by its ID.
GetChannelByID(channelID string) (*model.Channel, error)
}
// PluginDelivery provides ability to send notifications to direct message channels via Mattermost plugin API.
type PluginDelivery struct {
botID string
serverRoot string
api PluginAPI
}
func New(botID string, serverRoot string, api PluginAPI) *PluginDelivery {
return &PluginDelivery{
botID: botID,
serverRoot: serverRoot,
api: api,
}
}
func (pd *PluginDelivery) Deliver(mentionUsername string, extract string, evt notify.BlockChangeEvent) error {
// determine which team the workspace is associated with
teamID, err := pd.getTeamID(evt)
if err != nil {
return fmt.Errorf("cannot determine teamID for block change notification: %w", err)
}
member, err := teamMemberFromUsername(pd.api, mentionUsername, teamID)
if err != nil {
if isErrNotFound(err) {
// not really an error; could just be someone typed "@sometext"
return nil
} else {
return fmt.Errorf("cannot lookup mentioned user: %w", err)
}
}
author, err := pd.api.GetUserByID(evt.UserID)
if err != nil {
return fmt.Errorf("cannot find user: %w", err)
}
channel, err := pd.api.GetDirectChannel(member.UserId, pd.botID)
if err != nil {
return fmt.Errorf("cannot get direct channel: %w", err)
}
link := makeLink(pd.serverRoot, evt.Workspace, evt.Board.ID, evt.Card.ID)
post := &model.Post{
UserId: pd.botID,
ChannelId: channel.Id,
Message: formatMessage(author.Username, extract, evt.Card.Title, link, evt.BlockChanged),
}
return pd.api.CreatePost(post)
}
func (pd *PluginDelivery) getTeamID(evt notify.BlockChangeEvent) (string, error) {
// for now, the workspace ID is also the channel ID
channel, err := pd.api.GetChannelByID(evt.Workspace)
if err != nil {
return "", err
}
return channel.TeamId, nil
}