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// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
package app
import (
"github.com/mattermost/platform/model"
)
func (a *App) SaveReactionForPost(reaction *model.Reaction) (*model.Reaction, *model.AppError) {
post, err := a.GetSinglePost(reaction.PostId)
if err != nil {
return nil, err
}
if result := <-a.Srv.Store.Reaction().Save(reaction); result.Err != nil {
return nil, result.Err
} else {
reaction = result.Data.(*model.Reaction)
go a.sendReactionEvent(model.WEBSOCKET_EVENT_REACTION_ADDED, reaction, post)
return reaction, nil
}
}
func (a *App) GetReactionsForPost(postId string) ([]*model.Reaction, *model.AppError) {
if result := <-a.Srv.Store.Reaction().GetForPost(postId, true); result.Err != nil {
return nil, result.Err
} else {
return result.Data.([]*model.Reaction), nil
}
}
func (a *App) DeleteReactionForPost(reaction *model.Reaction) *model.AppError {
post, err := a.GetSinglePost(reaction.PostId)
if err != nil {
return err
}
if result := <-a.Srv.Store.Reaction().Delete(reaction); result.Err != nil {
return result.Err
} else {
go a.sendReactionEvent(model.WEBSOCKET_EVENT_REACTION_REMOVED, reaction, post)
}
return nil
}
func (a *App) sendReactionEvent(event string, reaction *model.Reaction, post *model.Post) {
// send out that a reaction has been added/removed
message := model.NewWebSocketEvent(event, "", post.ChannelId, "", nil)
message.Add("reaction", reaction.ToJson())
Publish(message)
// The post is always modified since the UpdateAt always changes
a.InvalidateCacheForChannelPosts(post.ChannelId)
post.HasReactions = true
post.UpdateAt = model.GetMillis()
umessage := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_POST_EDITED, "", post.ChannelId, "", nil)
umessage.Add("post", post.ToJson())
Publish(umessage)
}
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