APIv4 GET /posts/{post_id}/reactions (#6047)

api4/reaction.go

@@ -0,0 +1,39 @@
+// Copyright (c) 2017 Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+package api4
+
+import (
+	"net/http"
+
+	l4g "github.com/alecthomas/log4go"
+	"github.com/mattermost/platform/app"
+	"github.com/mattermost/platform/model"
+	"github.com/mattermost/platform/utils"
+)
+
+func InitReaction() {
+	l4g.Debug(utils.T("api.reaction.init.debug"))
+
+	BaseRoutes.Post.Handle("/reactions", ApiSessionRequired(getReactions)).Methods("GET")
+}
+
+func getReactions(c *Context, w http.ResponseWriter, r *http.Request) {
+	c.RequirePostId()
+	if c.Err != nil {
+		return
+	}
+
+	if !app.SessionHasPermissionToChannelByPost(c.Session, c.Params.PostId, model.PERMISSION_READ_CHANNEL) {
+		c.SetPermissionError(model.PERMISSION_READ_CHANNEL)
+		return
+	}
+
+	if reactions, err := app.GetReactionsForPost(c.Params.PostId); err != nil {
+		c.Err = err
+		return
+	} else {
+		w.Write([]byte(model.ReactionsToJson(reactions)))
+		return
+	}
+}