From 4dd8bae5c91fa4aef09d865d8fef1acd84f90925 Mon Sep 17 00:00:00 2001
From: Wim <wim@42.be>
Date: Sun, 17 Oct 2021 00:47:22 +0200
Subject: Update dependencies (#1610)

* Update dependencies

* Update module to go 1.17
---
 .../mattermost/mattermost-server/v5/model/emoji.go | 27 ++++++++++++++++++++--
 1 file changed, 25 insertions(+), 2 deletions(-)

(limited to 'vendor/github.com/mattermost/mattermost-server/v5/model/emoji.go')

diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/emoji.go b/vendor/github.com/mattermost/mattermost-server/v5/model/emoji.go
index aeee9b38..f990c670 100644
--- a/vendor/github.com/mattermost/mattermost-server/v5/model/emoji.go
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/emoji.go
@@ -8,6 +8,7 @@ import (
 	"io"
 	"net/http"
 	"regexp"
+	"sort"
 )
 
 const (
@@ -15,7 +16,9 @@ const (
 	EMOJI_SORT_BY_NAME    = "name"
 )
 
-var EMOJI_PATTERN = regexp.MustCompile(`:[a-zA-Z0-9_-]+:`)
+var EMOJI_PATTERN = regexp.MustCompile(`:[a-zA-Z0-9_+-]+:`)
+
+var ReverseSystemEmojisMap = makeReverseEmojiMap()
 
 type Emoji struct {
 	Id        string `json:"id"`
@@ -36,6 +39,26 @@ func GetSystemEmojiId(emojiName string) (string, bool) {
 	return id, found
 }
 
+func makeReverseEmojiMap() map[string][]string {
+	reverseEmojiMap := make(map[string][]string)
+	for key, value := range SystemEmojis {
+		emojiNames := reverseEmojiMap[value]
+		emojiNames = append(emojiNames, key)
+		sort.Strings(emojiNames)
+		reverseEmojiMap[value] = emojiNames
+	}
+
+	return reverseEmojiMap
+}
+
+func GetEmojiNameFromUnicode(unicode string) (emojiName string, count int) {
+	if emojiNames, found := ReverseSystemEmojisMap[unicode]; found {
+		return emojiNames[0], len(emojiNames)
+	}
+
+	return "", 0
+}
+
 func (emoji *Emoji) IsValid() *AppError {
 	if !IsValidId(emoji.Id) {
 		return NewAppError("Emoji.IsValid", "model.emoji.id.app_error", nil, "", http.StatusBadRequest)
@@ -57,7 +80,7 @@ func (emoji *Emoji) IsValid() *AppError {
 }
 
 func IsValidEmojiName(name string) *AppError {
-	if len(name) == 0 || len(name) > EMOJI_NAME_MAX_LENGTH || !IsValidAlphaNumHyphenUnderscore(name, false) || inSystemEmoji(name) {
+	if name == "" || len(name) > EMOJI_NAME_MAX_LENGTH || !IsValidAlphaNumHyphenUnderscorePlus(name) || inSystemEmoji(name) {
 		return NewAppError("Emoji.IsValid", "model.emoji.name.app_error", nil, "", http.StatusBadRequest)
 	}
 
-- 
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