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// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
package model
import (
"encoding/json"
"io"
"net/http"
)
const (
EMOJI_NAME_MAX_LENGTH = 64
EMOJI_SORT_BY_NAME = "name"
)
type Emoji struct {
Id string `json:"id"`
CreateAt int64 `json:"create_at"`
UpdateAt int64 `json:"update_at"`
DeleteAt int64 `json:"delete_at"`
CreatorId string `json:"creator_id"`
Name string `json:"name"`
}
func inSystemEmoji(emojiName string) bool {
_, ok := SystemEmojis[emojiName]
return ok
}
func (emoji *Emoji) IsValid() *AppError {
if len(emoji.Id) != 26 {
return NewAppError("Emoji.IsValid", "model.emoji.id.app_error", nil, "", http.StatusBadRequest)
}
if emoji.CreateAt == 0 {
return NewAppError("Emoji.IsValid", "model.emoji.create_at.app_error", nil, "id="+emoji.Id, http.StatusBadRequest)
}
if emoji.UpdateAt == 0 {
return NewAppError("Emoji.IsValid", "model.emoji.update_at.app_error", nil, "id="+emoji.Id, http.StatusBadRequest)
}
if len(emoji.CreatorId) > 26 {
return NewAppError("Emoji.IsValid", "model.emoji.user_id.app_error", nil, "", http.StatusBadRequest)
}
return IsValidEmojiName(emoji.Name)
}
func IsValidEmojiName(name string) *AppError {
if len(name) == 0 || len(name) > EMOJI_NAME_MAX_LENGTH || !IsValidAlphaNumHyphenUnderscore(name, false) || inSystemEmoji(name) {
return NewAppError("Emoji.IsValid", "model.emoji.name.app_error", nil, "", http.StatusBadRequest)
}
return nil
}
func (emoji *Emoji) PreSave() {
if emoji.Id == "" {
emoji.Id = NewId()
}
emoji.CreateAt = GetMillis()
emoji.UpdateAt = emoji.CreateAt
}
func (emoji *Emoji) ToJson() string {
b, _ := json.Marshal(emoji)
return string(b)
}
func EmojiFromJson(data io.Reader) *Emoji {
var emoji *Emoji
json.NewDecoder(data).Decode(&emoji)
return emoji
}
func EmojiListToJson(emojiList []*Emoji) string {
b, _ := json.Marshal(emojiList)
return string(b)
}
func EmojiListFromJson(data io.Reader) []*Emoji {
var emojiList []*Emoji
json.NewDecoder(data).Decode(&emojiList)
return emojiList
}
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