forked from trinchan/slackbot
/
utils.go
200 lines (169 loc) · 4.93 KB
/
utils.go
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package utils
import (
"encoding/json"
"fmt"
"log"
"github.com/nlopes/slack"
)
// GlobalUsers - indexed user space
type GlobalUsers struct {
Users []slack.User
nameIndex map[string]int
idIndex map[string]int
}
// GetUsers - get all users to local variable from Slack
func (g *GlobalUsers) GetUsers(api *slack.Client) {
var err error
g.nameIndex = make(map[string]int)
g.idIndex = make(map[string]int)
g.Users, err = api.GetUsers()
if err != nil {
log.Printf("Error getting users: %v", err)
}
for i := 0; i < len(g.Users); i++ {
user := g.Users[i]
g.nameIndex[user.Name] = i
g.idIndex[user.ID] = i
}
}
// SetPresenceByID - set user presence in local variable (not in Slack)
func (g *GlobalUsers) SetPresenceByID(id string, presence string) {
idx, ok := g.idIndex[id]
if !ok {
log.Printf("Unknown input ID: %s", id)
return
}
g.Users[idx].Presence = presence
}
// GetPresenceByName - get user presence from local variable (not from Slack)
func (g *GlobalUsers) GetPresenceByName(name string) string {
idx, ok := g.nameIndex[name]
if !ok {
log.Printf("Unknown input name: %s", name)
// return translation result as below
return fmt.Sprintf("UNKNOWN_PRESENCE_FROM_NAME_%s", name)
}
return g.Users[idx].Presence
}
// GetPresenceByID - get user presence from local variable (not from Slack)
func (g *GlobalUsers) GetPresenceByID(id string) string {
idx, ok := g.idIndex[id]
if !ok {
log.Printf("Unknown input ID: %s", id)
// return translation result as below
return fmt.Sprintf("UNKNOWN_PRESENCE_FROM_ID_%s", id)
}
return g.Users[idx].Presence
}
// NameToID - translate Slack name (without @) to Slack ID
func (g *GlobalUsers) NameToID(name string) string {
idx, ok := g.nameIndex[name]
if !ok {
log.Printf("Unknown input name: %s", name)
// return translation result as below
return fmt.Sprintf("UNKNOWN_ID_FROM_NAME_%s", name)
}
return g.Users[idx].ID
}
// IDToName - translate Slack ID to Slack name (without @)
func (g *GlobalUsers) IDToName(id string) string {
idx, ok := g.idIndex[id]
if !ok {
log.Printf("Unknown input ID: %s", id)
// return translation result as below
return fmt.Sprintf("UNKNOWN_NAME_FROM_ID_%s", id)
}
return g.Users[idx].Name
}
type idxGrpChan struct {
t string
i int
}
// GlobalChannels - indexed channel space
type GlobalChannels struct {
Channels []slack.Channel
Groups []slack.Group
IMs []slack.IM
nameIndex map[string]idxGrpChan
idIndex map[string]idxGrpChan
}
// GetChannels - get all channels to local variable from Slack
func (g *GlobalChannels) GetChannels(api *slack.Client) {
var err error
g.nameIndex = make(map[string]idxGrpChan)
g.idIndex = make(map[string]idxGrpChan)
g.Channels, err = api.GetChannels(true)
if err != nil {
log.Printf("Error getting channels: %v", err)
return
}
for i := 0; i < len(g.Channels); i++ {
channel := g.Channels[i]
// log.Printf("Channel Name: %s, ID: %s, IsChannel: %t\n", channel.Name, channel.ID, channel.IsChannel)
g.nameIndex[channel.Name] = idxGrpChan{t: "c", i: i}
g.idIndex[channel.ID] = idxGrpChan{t: "c", i: i}
}
g.Groups, err = api.GetGroups(true)
if err != nil {
log.Printf("Error getting groups: %v", err)
return
}
for i := 0; i < len(g.Groups); i++ {
group := g.Groups[i]
// log.Printf("Group Name: %s, ID: %s, IsChannel: %t\n", group.Name, group.ID, false)
g.nameIndex[group.Name] = idxGrpChan{t: "g", i: i}
g.idIndex[group.ID] = idxGrpChan{t: "g", i: i}
}
g.IMs, err = api.GetIMChannels()
if err != nil {
log.Printf("Error getting IM channels: %v", err)
return
}
for i := 0; i < len(g.IMs); i++ {
im := g.IMs[i]
// log.Printf("IM Name: %s, ID: %s, IsChannel: %t\n", im.User, im.ID, false)
g.nameIndex[im.User] = idxGrpChan{t: "d", i: i}
g.idIndex[im.ID] = idxGrpChan{t: "d", i: i}
}
}
// NameToID - translate Slack name (without @) to Slack ID
func (g *GlobalChannels) NameToID(name string) string {
var id string
idxStruct, ok := g.nameIndex[name]
if !ok {
log.Printf("Unknown input name: %s", name)
// return translation result as below
return fmt.Sprintf("UNKNOWN_ID_FROM_NAME_%s", name)
}
if idxStruct.t == "c" {
id = g.Channels[idxStruct.i].ID
} else if idxStruct.t == "g" {
id = g.Groups[idxStruct.i].ID
} else if idxStruct.t == "d" {
id = g.IMs[idxStruct.i].ID
}
return id
}
// IDToName - translate Slack ID to Slack name (without @)
func (g *GlobalChannels) IDToName(id string) string {
var name string
idxStruct, ok := g.idIndex[id]
if !ok {
log.Printf("Unknown input ID: %s", id)
// return translation result as below
return fmt.Sprintf("UNKNOWN_NAME_FROM_ID_%s", id)
}
if idxStruct.t == "c" {
name = g.Channels[idxStruct.i].Name
} else if idxStruct.t == "g" {
name = g.Groups[idxStruct.i].Name
} else if idxStruct.t == "d" {
id = g.IMs[idxStruct.i].User
}
return name
}
// StructPrettyPrint - JSON like
func StructPrettyPrint(s interface{}) string {
bytesStruct, _ := json.MarshalIndent(s, "", " ")
return string(bytesStruct)
}