138 lines
3.5 KiB
Go
138 lines
3.5 KiB
Go
// Copyright (c) 2015 Mattermost, Inc. All Rights Reserved.
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// See License.txt for license information.
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package model
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import (
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"encoding/json"
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"io"
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"unicode/utf8"
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)
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const (
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CHANNEL_OPEN = "O"
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CHANNEL_PRIVATE = "P"
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CHANNEL_DIRECT = "D"
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DEFAULT_CHANNEL = "town-square"
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CHANNEL_DISPLAY_NAME_MAX_RUNES = 64
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CHANNEL_NAME_MAX_LENGTH = 64
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CHANNEL_HEADER_MAX_RUNES = 1024
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CHANNEL_PURPOSE_MAX_RUNES = 250
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)
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type Channel struct {
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Id string `json:"id"`
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CreateAt int64 `json:"create_at"`
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UpdateAt int64 `json:"update_at"`
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DeleteAt int64 `json:"delete_at"`
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TeamId string `json:"team_id"`
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Type string `json:"type"`
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DisplayName string `json:"display_name"`
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Name string `json:"name"`
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Header string `json:"header"`
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Purpose string `json:"purpose"`
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LastPostAt int64 `json:"last_post_at"`
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TotalMsgCount int64 `json:"total_msg_count"`
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ExtraUpdateAt int64 `json:"extra_update_at"`
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CreatorId string `json:"creator_id"`
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}
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func (o *Channel) ToJson() string {
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b, err := json.Marshal(o)
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if err != nil {
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return ""
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} else {
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return string(b)
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}
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}
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func ChannelFromJson(data io.Reader) *Channel {
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decoder := json.NewDecoder(data)
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var o Channel
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err := decoder.Decode(&o)
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if err == nil {
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return &o
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} else {
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return nil
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}
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}
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func (o *Channel) Etag() string {
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return Etag(o.Id, o.UpdateAt)
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}
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func (o *Channel) StatsEtag() string {
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return Etag(o.Id, o.ExtraUpdateAt)
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}
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func (o *Channel) IsValid() *AppError {
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if len(o.Id) != 26 {
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return NewLocAppError("Channel.IsValid", "model.channel.is_valid.id.app_error", nil, "")
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}
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if o.CreateAt == 0 {
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return NewLocAppError("Channel.IsValid", "model.channel.is_valid.create_at.app_error", nil, "id="+o.Id)
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}
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if o.UpdateAt == 0 {
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return NewLocAppError("Channel.IsValid", "model.channel.is_valid.update_at.app_error", nil, "id="+o.Id)
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}
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if utf8.RuneCountInString(o.DisplayName) > CHANNEL_DISPLAY_NAME_MAX_RUNES {
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return NewLocAppError("Channel.IsValid", "model.channel.is_valid.display_name.app_error", nil, "id="+o.Id)
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}
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if len(o.Name) > CHANNEL_NAME_MAX_LENGTH {
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return NewLocAppError("Channel.IsValid", "model.channel.is_valid.name.app_error", nil, "id="+o.Id)
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}
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if !IsValidChannelIdentifier(o.Name) {
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return NewLocAppError("Channel.IsValid", "model.channel.is_valid.2_or_more.app_error", nil, "id="+o.Id)
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}
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if !(o.Type == CHANNEL_OPEN || o.Type == CHANNEL_PRIVATE || o.Type == CHANNEL_DIRECT) {
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return NewLocAppError("Channel.IsValid", "model.channel.is_valid.type.app_error", nil, "id="+o.Id)
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}
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if utf8.RuneCountInString(o.Header) > CHANNEL_HEADER_MAX_RUNES {
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return NewLocAppError("Channel.IsValid", "model.channel.is_valid.header.app_error", nil, "id="+o.Id)
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}
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if utf8.RuneCountInString(o.Purpose) > CHANNEL_PURPOSE_MAX_RUNES {
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return NewLocAppError("Channel.IsValid", "model.channel.is_valid.purpose.app_error", nil, "id="+o.Id)
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}
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if len(o.CreatorId) > 26 {
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return NewLocAppError("Channel.IsValid", "model.channel.is_valid.creator_id.app_error", nil, "")
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}
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return nil
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}
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func (o *Channel) PreSave() {
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if o.Id == "" {
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o.Id = NewId()
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}
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o.CreateAt = GetMillis()
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o.UpdateAt = o.CreateAt
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o.ExtraUpdateAt = o.CreateAt
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}
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func (o *Channel) PreUpdate() {
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o.UpdateAt = GetMillis()
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}
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func (o *Channel) ExtraUpdated() {
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o.ExtraUpdateAt = GetMillis()
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}
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func GetDMNameFromIds(userId1, userId2 string) string {
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if userId1 > userId2 {
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return userId2 + "__" + userId1
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} else {
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return userId1 + "__" + userId2
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}
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}
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