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slack.go
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slack.go
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package main
import (
"fmt"
"strings"
"github.com/nlopes/slack"
)
func destSlack(optsSlack flagsSlack, activeUsers []string) error {
slackAPI := slack.New(optsSlack.token)
var usersIDs []string
groupID, err := getSlackGroupID(slackAPI, optsSlack.group)
if err != nil {
return fmt.Errorf("Error in getSlackGroupID %s", err)
}
for _, user := range activeUsers {
userID, err := getSlackUserID(slackAPI, user)
if err != nil {
return err
}
usersIDs = append(usersIDs, userID)
}
err = updateSlackUserGroup(slackAPI, groupID, strings.Join(usersIDs, ","))
return err
}
func updateSlackUserGroup(slackAPI *slack.Client, groupID string, usersIDs string) error {
_, err := slackAPI.UpdateUserGroupMembers(groupID, usersIDs)
if err != nil {
return fmt.Errorf("Failed - %s", err)
}
return nil
}
func getSlackUserID(slackAPI *slack.Client, userEmail string) (string, error) {
userDetail, err := slackAPI.GetUserByEmail(userEmail)
if err != nil {
return "", fmt.Errorf("Unable to retrieve user details for %s : %s", userEmail, err)
}
return userDetail.ID, nil
}
func getSlackGroupID(slackAPI *slack.Client, groupName string) (string, error) {
groups, err := slackAPI.GetUserGroups()
if err != nil {
return "", fmt.Errorf("Slack API error : %s", err)
}
for _, group := range groups {
if group.Name == groupName {
return group.ID, nil
}
}
return "", fmt.Errorf("Group not found on slack")
}