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// Copyright (c) 2016 Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
package app
import (
"regexp"
l4g "github.com/alecthomas/log4go"
"github.com/mattermost/platform/einterfaces"
"github.com/mattermost/platform/model"
"github.com/mattermost/platform/store"
"github.com/mattermost/platform/utils"
)
func CreatePost(post *model.Post, teamId string, triggerWebhooks bool) (*model.Post, *model.AppError) {
var pchan store.StoreChannel
if len(post.RootId) > 0 {
pchan = Srv.Store.Post().Get(post.RootId)
}
// Verify the parent/child relationships are correct
if pchan != nil {
if presult := <-pchan; presult.Err != nil {
return nil, model.NewLocAppError("createPost", "api.post.create_post.root_id.app_error", nil, "")
} else {
list := presult.Data.(*model.PostList)
if len(list.Posts) == 0 || !list.IsChannelId(post.ChannelId) {
return nil, model.NewLocAppError("createPost", "api.post.create_post.channel_root_id.app_error", nil, "")
}
if post.ParentId == "" {
post.ParentId = post.RootId
}
if post.RootId != post.ParentId {
parent := list.Posts[post.ParentId]
if parent == nil {
return nil, model.NewLocAppError("createPost", "api.post.create_post.parent_id.app_error", nil, "")
}
}
}
}
post.Hashtags, _ = model.ParseHashtags(post.Message)
var rpost *model.Post
if result := <-Srv.Store.Post().Save(post); result.Err != nil {
return nil, result.Err
} else {
rpost = result.Data.(*model.Post)
}
if einterfaces.GetMetricsInterface() != nil {
einterfaces.GetMetricsInterface().IncrementPostCreate()
}
if len(post.FileIds) > 0 {
// There's a rare bug where the client sends up duplicate FileIds so protect against that
post.FileIds = utils.RemoveDuplicatesFromStringArray(post.FileIds)
for _, fileId := range post.FileIds {
if result := <-Srv.Store.FileInfo().AttachToPost(fileId, post.Id); result.Err != nil {
l4g.Error(utils.T("api.post.create_post.attach_files.error"), post.Id, post.FileIds, post.UserId, result.Err)
}
}
if einterfaces.GetMetricsInterface() != nil {
einterfaces.GetMetricsInterface().IncrementPostFileAttachment(len(post.FileIds))
}
}
InvalidateCacheForChannel(rpost.ChannelId)
InvalidateCacheForChannelPosts(rpost.ChannelId)
if err := handlePostEvents(rpost, teamId, triggerWebhooks); err != nil {
return nil, err
}
return rpost, nil
}
func handlePostEvents(post *model.Post, teamId string, triggerWebhooks bool) *model.AppError {
tchan := Srv.Store.Team().Get(teamId)
cchan := Srv.Store.Channel().Get(post.ChannelId, true)
uchan := Srv.Store.User().Get(post.UserId)
var team *model.Team
if result := <-tchan; result.Err != nil {
return result.Err
} else {
team = result.Data.(*model.Team)
}
var channel *model.Channel
if result := <-cchan; result.Err != nil {
return result.Err
} else {
channel = result.Data.(*model.Channel)
}
if _, err := SendNotifications(post, team, channel); err != nil {
return err
}
var user *model.User
if result := <-uchan; result.Err != nil {
return result.Err
} else {
user = result.Data.(*model.User)
}
if triggerWebhooks {
go func() {
if err := handleWebhookEvents(post, team, channel, user); err != nil {
l4g.Error(err.Error())
}
}()
}
if channel.Type == model.CHANNEL_DIRECT {
go func() {
if err := MakeDirectChannelVisible(post.ChannelId); err != nil {
l4g.Error(err.Error())
}
}()
}
return nil
}
var linkWithTextRegex *regexp.Regexp = regexp.MustCompile(`<([^<\|]+)\|([^>]+)>`)
// This method only parses and processes the attachments,
// all else should be set in the post which is passed
func parseSlackAttachment(post *model.Post, attachments interface{}) {
post.Type = model.POST_SLACK_ATTACHMENT
if list, success := attachments.([]interface{}); success {
for i, aInt := range list {
attachment := aInt.(map[string]interface{})
if aText, ok := attachment["text"].(string); ok {
aText = linkWithTextRegex.ReplaceAllString(aText, "[${2}](${1})")
attachment["text"] = aText
list[i] = attachment
}
if aText, ok := attachment["pretext"].(string); ok {
aText = linkWithTextRegex.ReplaceAllString(aText, "[${2}](${1})")
attachment["pretext"] = aText
list[i] = attachment
}
if fVal, ok := attachment["fields"]; ok {
if fields, ok := fVal.([]interface{}); ok {
// parse attachment field links into Markdown format
for j, fInt := range fields {
field := fInt.(map[string]interface{})
if fValue, ok := field["value"].(string); ok {
fValue = linkWithTextRegex.ReplaceAllString(fValue, "[${2}](${1})")
field["value"] = fValue
fields[j] = field
}
}
attachment["fields"] = fields
list[i] = attachment
}
}
}
post.AddProp("attachments", list)
}
}
func parseSlackLinksToMarkdown(text string) string {
return linkWithTextRegex.ReplaceAllString(text, "[${2}](${1})")
}
func SendEphemeralPost(teamId, userId string, post *model.Post) *model.Post {
post.Type = model.POST_EPHEMERAL
// fill in fields which haven't been specified which have sensible defaults
if post.Id == "" {
post.Id = model.NewId()
}
if post.CreateAt == 0 {
post.CreateAt = model.GetMillis()
}
if post.Props == nil {
post.Props = model.StringInterface{}
}
message := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_EPHEMERAL_MESSAGE, "", post.ChannelId, userId, nil)
message.Add("post", post.ToJson())
go Publish(message)
return post
}
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