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-rw-r--r--api/post.go2
-rw-r--r--api4/api.go1
-rw-r--r--api4/apitestlib.go27
-rw-r--r--api4/channel_test.go4
-rw-r--r--api4/context.go11
-rw-r--r--api4/post.go119
-rw-r--r--api4/post_test.go249
-rw-r--r--app/post.go32
-rw-r--r--model/client4.go51
-rw-r--r--model/post_list.go7
10 files changed, 491 insertions, 12 deletions
diff --git a/api/post.go b/api/post.go
index 76d813940..28c81b9a5 100644
--- a/api/post.go
+++ b/api/post.go
@@ -58,7 +58,7 @@ func createPost(c *Context, w http.ResponseWriter, r *http.Request) {
post.CreateAt = 0
}
- rp, err := app.CreatePostAsUser(post, c.TeamId)
+ rp, err := app.CreatePostAsUser(post)
if err != nil {
c.Err = err
return
diff --git a/api4/api.go b/api4/api.go
index 6c2faa96b..6348714b2 100644
--- a/api4/api.go
+++ b/api4/api.go
@@ -140,6 +140,7 @@ func InitApi(full bool) {
InitUser()
InitTeam()
InitChannel()
+ InitPost()
app.Srv.Router.Handle("/api/v4/{anything:.*}", http.HandlerFunc(Handle404))
diff --git a/api4/apitestlib.go b/api4/apitestlib.go
index 25bfe6f75..0761a8b15 100644
--- a/api4/apitestlib.go
+++ b/api4/apitestlib.go
@@ -26,6 +26,8 @@ type TestHelper struct {
TeamAdminUser *model.User
BasicTeam *model.Team
BasicChannel *model.Channel
+ BasicChannel2 *model.Channel
+ BasicPost *model.Post
SystemAdminClient *model.Client4
SystemAdminUser *model.User
@@ -97,12 +99,16 @@ func (me *TestHelper) InitBasic() *TestHelper {
me.LoginTeamAdmin()
me.BasicTeam = me.CreateTeam()
me.BasicChannel = me.CreatePublicChannel()
+ me.BasicChannel2 = me.CreatePublicChannel()
+ me.BasicPost = me.CreatePost()
me.BasicUser = me.CreateUser()
LinkUserToTeam(me.BasicUser, me.BasicTeam)
me.BasicUser2 = me.CreateUser()
LinkUserToTeam(me.BasicUser2, me.BasicTeam)
app.AddUserToChannel(me.BasicUser, me.BasicChannel)
app.AddUserToChannel(me.BasicUser2, me.BasicChannel)
+ app.AddUserToChannel(me.BasicUser, me.BasicChannel2)
+ app.AddUserToChannel(me.BasicUser2, me.BasicChannel2)
app.UpdateUserRoles(me.BasicUser.Id, model.ROLE_SYSTEM_USER.Id)
me.LoginBasic()
@@ -188,6 +194,27 @@ func (me *TestHelper) CreateChannelWithClient(client *model.Client4, channelType
return rchannel
}
+func (me *TestHelper) CreatePost() *model.Post {
+ return me.CreatePostWithClient(me.Client, me.BasicChannel)
+}
+
+func (me *TestHelper) CreatePostWithClient(client *model.Client4, channel *model.Channel) *model.Post {
+ id := model.NewId()
+
+ post := &model.Post{
+ ChannelId: channel.Id,
+ Message: "message_" + id,
+ }
+
+ utils.DisableDebugLogForTest()
+ rpost, resp := client.CreatePost(post)
+ if resp.Error != nil {
+ panic(resp.Error)
+ }
+ utils.EnableDebugLogForTest()
+ return rpost
+}
+
func (me *TestHelper) LoginBasic() {
me.LoginBasicWithClient(me.Client)
}
diff --git a/api4/channel_test.go b/api4/channel_test.go
index d5bc1d971..91d055bff 100644
--- a/api4/channel_test.go
+++ b/api4/channel_test.go
@@ -331,8 +331,8 @@ func TestGetChannelMembersForUser(t *testing.T) {
members, resp := Client.GetChannelMembersForUser(th.BasicUser.Id, th.BasicTeam.Id, "")
CheckNoError(t, resp)
- if len(*members) != 3 {
- t.Fatal("should have 3 members on team")
+ if len(*members) != 4 {
+ t.Fatal("should have 4 members on team")
}
_, resp = Client.GetChannelMembersForUser("", th.BasicTeam.Id, "")
diff --git a/api4/context.go b/api4/context.go
index 6a22b4103..06523152f 100644
--- a/api4/context.go
+++ b/api4/context.go
@@ -375,6 +375,17 @@ func (c *Context) RequireUsername() *Context {
return c
}
+func (c *Context) RequirePostId() *Context {
+ if c.Err != nil {
+ return c
+ }
+
+ if len(c.Params.PostId) != 26 {
+ c.SetInvalidUrlParam("post_id")
+ }
+ return c
+}
+
func (c *Context) RequireEmail() *Context {
if c.Err != nil {
return c
diff --git a/api4/post.go b/api4/post.go
new file mode 100644
index 000000000..9510fe0c6
--- /dev/null
+++ b/api4/post.go
@@ -0,0 +1,119 @@
+// 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 InitPost() {
+ l4g.Debug(utils.T("api.post.init.debug"))
+
+ BaseRoutes.Posts.Handle("", ApiSessionRequired(createPost)).Methods("POST")
+ BaseRoutes.Post.Handle("", ApiSessionRequired(getPost)).Methods("GET")
+ BaseRoutes.Post.Handle("/thread", ApiSessionRequired(getPostThread)).Methods("GET")
+ BaseRoutes.PostsForChannel.Handle("", ApiSessionRequired(getPostsForChannel)).Methods("GET")
+}
+
+func createPost(c *Context, w http.ResponseWriter, r *http.Request) {
+ post := model.PostFromJson(r.Body)
+ if post == nil {
+ c.SetInvalidParam("post")
+ return
+ }
+
+ post.UserId = c.Session.UserId
+
+ if !app.SessionHasPermissionToChannel(c.Session, post.ChannelId, model.PERMISSION_CREATE_POST) {
+ c.SetPermissionError(model.PERMISSION_CREATE_POST)
+ return
+ }
+
+ if post.CreateAt != 0 && !app.SessionHasPermissionTo(c.Session, model.PERMISSION_MANAGE_SYSTEM) {
+ post.CreateAt = 0
+ }
+
+ rp, err := app.CreatePostAsUser(post)
+ if err != nil {
+ c.Err = err
+ return
+ }
+
+ w.Write([]byte(rp.ToJson()))
+}
+
+func getPostsForChannel(c *Context, w http.ResponseWriter, r *http.Request) {
+ c.RequireChannelId()
+ if c.Err != nil {
+ return
+ }
+
+ if !app.SessionHasPermissionToChannel(c.Session, c.Params.ChannelId, model.PERMISSION_READ_CHANNEL) {
+ c.SetPermissionError(model.PERMISSION_READ_CHANNEL)
+ return
+ }
+
+ etag := app.GetPostsEtag(c.Params.ChannelId)
+
+ if HandleEtag(etag, "Get Posts", w, r) {
+ return
+ }
+
+ if list, err := app.GetPostsPage(c.Params.ChannelId, c.Params.Page, c.Params.PerPage); err != nil {
+ c.Err = err
+ return
+ } else {
+ w.Header().Set(model.HEADER_ETAG_SERVER, etag)
+ w.Write([]byte(list.ToJson()))
+ }
+}
+
+func getPost(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 post, err := app.GetSinglePost(c.Params.PostId); err != nil {
+ c.Err = err
+ return
+ } else if HandleEtag(post.Etag(), "Get Post", w, r) {
+ return
+ } else {
+ w.Header().Set(model.HEADER_ETAG_SERVER, post.Etag())
+ w.Write([]byte(post.ToJson()))
+ }
+}
+
+func getPostThread(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 list, err := app.GetPostThread(c.Params.PostId); err != nil {
+ c.Err = err
+ return
+ } else if HandleEtag(list.Etag(), "Get Post Thread", w, r) {
+ return
+ } else {
+ w.Header().Set(model.HEADER_ETAG_SERVER, list.Etag())
+ w.Write([]byte(list.ToJson()))
+ }
+}
diff --git a/api4/post_test.go b/api4/post_test.go
new file mode 100644
index 000000000..32f259d3d
--- /dev/null
+++ b/api4/post_test.go
@@ -0,0 +1,249 @@
+// Copyright (c) 2017 Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+package api4
+
+import (
+ "net/http"
+ "strconv"
+ "testing"
+
+ "github.com/mattermost/platform/model"
+)
+
+func TestCreatePost(t *testing.T) {
+ th := Setup().InitBasic().InitSystemAdmin()
+ defer TearDown()
+ Client := th.Client
+
+ post := &model.Post{ChannelId: th.BasicChannel.Id, Message: "#hashtag a" + model.NewId() + "a"}
+ rpost, resp := Client.CreatePost(post)
+ CheckNoError(t, resp)
+
+ if rpost.Message != post.Message {
+ t.Fatal("message didn't match")
+ }
+
+ if rpost.Hashtags != "#hashtag" {
+ t.Fatal("hashtag didn't match")
+ }
+
+ if len(rpost.FileIds) != 0 {
+ t.Fatal("shouldn't have files")
+ }
+
+ if rpost.EditAt != 0 {
+ t.Fatal("newly created post shouldn't have EditAt set")
+ }
+
+ post.RootId = rpost.Id
+ post.ParentId = rpost.Id
+ _, resp = Client.CreatePost(post)
+ CheckNoError(t, resp)
+
+ post.RootId = "junk"
+ _, resp = Client.CreatePost(post)
+ CheckBadRequestStatus(t, resp)
+
+ post.RootId = rpost.Id
+ post.ParentId = "junk"
+ _, resp = Client.CreatePost(post)
+ CheckBadRequestStatus(t, resp)
+
+ post2 := &model.Post{ChannelId: th.BasicChannel2.Id, Message: "a" + model.NewId() + "a", CreateAt: 123}
+ rpost2, resp := Client.CreatePost(post2)
+
+ if rpost2.CreateAt == post2.CreateAt {
+ t.Fatal("create at should not match")
+ }
+
+ post.RootId = rpost2.Id
+ post.ParentId = rpost2.Id
+ _, resp = Client.CreatePost(post)
+ CheckBadRequestStatus(t, resp)
+
+ post.RootId = ""
+ post.ParentId = ""
+ post.ChannelId = "junk"
+ _, resp = Client.CreatePost(post)
+ CheckForbiddenStatus(t, resp)
+
+ post.ChannelId = model.NewId()
+ _, resp = Client.CreatePost(post)
+ CheckForbiddenStatus(t, resp)
+
+ if r, err := Client.DoApiPost("/posts", "garbage"); err == nil {
+ t.Fatal("should have errored")
+ } else {
+ if r.StatusCode != http.StatusBadRequest {
+ t.Log("actual: " + strconv.Itoa(r.StatusCode))
+ t.Log("expected: " + strconv.Itoa(http.StatusBadRequest))
+ t.Fatal("wrong status code")
+ }
+ }
+
+ Client.Logout()
+ _, resp = Client.CreatePost(post)
+ CheckUnauthorizedStatus(t, resp)
+
+ post.ChannelId = th.BasicChannel.Id
+ post.CreateAt = 123
+ rpost, resp = th.SystemAdminClient.CreatePost(post)
+ CheckNoError(t, resp)
+
+ if rpost.CreateAt != post.CreateAt {
+ t.Fatal("create at should match")
+ }
+}
+
+func TestGetPostsForChannel(t *testing.T) {
+ th := Setup().InitBasic().InitSystemAdmin()
+ defer TearDown()
+ Client := th.Client
+
+ post1 := th.CreatePost()
+ post2 := th.CreatePost()
+ post3 := th.CreatePost()
+ post4 := &model.Post{ChannelId: th.BasicChannel.Id, Message: "a" + model.NewId() + "a", RootId: post1.Id}
+ post4, _ = Client.CreatePost(post4)
+
+ posts, resp := Client.GetPostsForChannel(th.BasicChannel.Id, 0, 60, "")
+ CheckNoError(t, resp)
+
+ if posts.Order[0] != post4.Id {
+ t.Fatal("wrong order")
+ }
+
+ if posts.Order[1] != post3.Id {
+ t.Fatal("wrong order")
+ }
+
+ if posts.Order[2] != post2.Id {
+ t.Fatal("wrong order")
+ }
+
+ if posts.Order[3] != post1.Id {
+ t.Fatal("wrong order")
+ }
+
+ posts, resp = Client.GetPostsForChannel(th.BasicChannel.Id, 0, 3, resp.Etag)
+ CheckEtag(t, posts, resp)
+
+ posts, resp = Client.GetPostsForChannel(th.BasicChannel.Id, 0, 3, "")
+ CheckNoError(t, resp)
+
+ if len(posts.Order) != 3 {
+ t.Fatal("wrong number returned")
+ }
+
+ if _, ok := posts.Posts[post4.Id]; !ok {
+ t.Fatal("missing comment")
+ }
+
+ if _, ok := posts.Posts[post1.Id]; !ok {
+ t.Fatal("missing root post")
+ }
+
+ posts, resp = Client.GetPostsForChannel(th.BasicChannel.Id, 1, 1, "")
+ CheckNoError(t, resp)
+
+ if posts.Order[0] != post3.Id {
+ t.Fatal("wrong order")
+ }
+
+ posts, resp = Client.GetPostsForChannel(th.BasicChannel.Id, 10000, 10000, "")
+ CheckNoError(t, resp)
+
+ if len(posts.Order) != 0 {
+ t.Fatal("should be no posts")
+ }
+
+ _, resp = Client.GetPostsForChannel("", 0, 60, "")
+ CheckNotFoundStatus(t, resp)
+
+ _, resp = Client.GetPostsForChannel("junk", 0, 60, "")
+ CheckBadRequestStatus(t, resp)
+
+ _, resp = Client.GetPostsForChannel(model.NewId(), 0, 60, "")
+ CheckForbiddenStatus(t, resp)
+
+ Client.Logout()
+ _, resp = Client.GetPostsForChannel(model.NewId(), 0, 60, "")
+ CheckUnauthorizedStatus(t, resp)
+
+ _, resp = th.SystemAdminClient.GetPostsForChannel(th.BasicChannel.Id, 0, 60, "")
+ CheckNoError(t, resp)
+}
+
+func TestGetPost(t *testing.T) {
+ th := Setup().InitBasic().InitSystemAdmin()
+ defer TearDown()
+ Client := th.Client
+
+ post, resp := Client.GetPost(th.BasicPost.Id, "")
+ CheckNoError(t, resp)
+
+ if post.Id != th.BasicPost.Id {
+ t.Fatal("post ids don't match")
+ }
+
+ post, resp = Client.GetPost(th.BasicPost.Id, resp.Etag)
+ CheckEtag(t, post, resp)
+
+ _, resp = Client.GetPost("", "")
+ CheckNotFoundStatus(t, resp)
+
+ _, resp = Client.GetPost("junk", "")
+ CheckBadRequestStatus(t, resp)
+
+ _, resp = Client.GetPost(model.NewId(), "")
+ CheckForbiddenStatus(t, resp)
+
+ Client.Logout()
+ _, resp = Client.GetPost(model.NewId(), "")
+ CheckUnauthorizedStatus(t, resp)
+
+ post, resp = th.SystemAdminClient.GetPost(th.BasicPost.Id, "")
+ CheckNoError(t, resp)
+}
+
+func TestGetPostThread(t *testing.T) {
+ th := Setup().InitBasic().InitSystemAdmin()
+ defer TearDown()
+ Client := th.Client
+
+ post := &model.Post{ChannelId: th.BasicChannel.Id, Message: "a" + model.NewId() + "a", RootId: th.BasicPost.Id}
+ post, _ = Client.CreatePost(post)
+
+ list, resp := Client.GetPostThread(th.BasicPost.Id, "")
+ CheckNoError(t, resp)
+
+ var list2 *model.PostList
+ list2, resp = Client.GetPostThread(th.BasicPost.Id, resp.Etag)
+ CheckEtag(t, list2, resp)
+
+ if list.Order[0] != th.BasicPost.Id {
+ t.Fatal("wrong order")
+ }
+
+ if _, ok := list.Posts[th.BasicPost.Id]; !ok {
+ t.Fatal("should have had post")
+ }
+
+ if _, ok := list.Posts[post.Id]; !ok {
+ t.Fatal("should have had post")
+ }
+
+ _, resp = Client.GetPostThread("junk", "")
+ CheckBadRequestStatus(t, resp)
+
+ _, resp = Client.GetPostThread(model.NewId(), "")
+ CheckForbiddenStatus(t, resp)
+
+ Client.Logout()
+ _, resp = Client.GetPostThread(model.NewId(), "")
+ CheckUnauthorizedStatus(t, resp)
+
+ list, resp = th.SystemAdminClient.GetPostThread(th.BasicPost.Id, "")
+ CheckNoError(t, resp)
+}
diff --git a/app/post.go b/app/post.go
index 5fddd3e78..dd8712e85 100644
--- a/app/post.go
+++ b/app/post.go
@@ -15,7 +15,7 @@ import (
"github.com/mattermost/platform/utils"
)
-func CreatePostAsUser(post *model.Post, teamId string) (*model.Post, *model.AppError) {
+func CreatePostAsUser(post *model.Post) (*model.Post, *model.AppError) {
// Check that channel has not been deleted
var channel *model.Channel
if result := <-Srv.Store.Channel().Get(post.ChannelId, true); result.Err != nil {
@@ -32,7 +32,7 @@ func CreatePostAsUser(post *model.Post, teamId string) (*model.Post, *model.AppE
return nil, err
}
- if rp, err := CreatePost(post, teamId, true); err != nil {
+ if rp, err := CreatePost(post, channel.TeamId, true); err != nil {
if err.Id == "api.post.create_post.root_id.app_error" ||
err.Id == "api.post.create_post.channel_root_id.app_error" ||
err.Id == "api.post.create_post.parent_id.app_error" {
@@ -118,15 +118,23 @@ func CreatePost(post *model.Post, teamId string, triggerWebhooks bool) (*model.P
}
func handlePostEvents(post *model.Post, teamId string, triggerWebhooks bool) *model.AppError {
- tchan := Srv.Store.Team().Get(teamId)
+ var tchan store.StoreChannel
+ if len(teamId) > 0 {
+ 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
+ if tchan != nil {
+ if result := <-tchan; result.Err != nil {
+ return result.Err
+ } else {
+ team = result.Data.(*model.Team)
+ }
} else {
- team = result.Data.(*model.Team)
+ // Blank team for DMs
+ team = &model.Team{}
}
var channel *model.Channel
@@ -306,6 +314,14 @@ func UpdatePost(post *model.Post) (*model.Post, *model.AppError) {
}
}
+func GetPostsPage(channelId string, page int, perPage int) (*model.PostList, *model.AppError) {
+ if result := <-Srv.Store.Post().GetPosts(channelId, page*perPage, perPage, true); result.Err != nil {
+ return nil, result.Err
+ } else {
+ return result.Data.(*model.PostList), nil
+ }
+}
+
func GetPosts(channelId string, offset int, limit int) (*model.PostList, *model.AppError) {
if result := <-Srv.Store.Post().GetPosts(channelId, offset, limit, true); result.Err != nil {
return nil, result.Err
@@ -456,7 +472,7 @@ func SearchPostsInTeam(terms string, userId string, teamId string, isOrSearch bo
}
func GetFileInfosForPost(postId string) ([]*model.FileInfo, *model.AppError) {
- pchan := Srv.Store.Post().Get(postId)
+ pchan := Srv.Store.Post().GetSingle(postId)
fchan := Srv.Store.FileInfo().GetForPost(postId, true)
var infos []*model.FileInfo
@@ -472,7 +488,7 @@ func GetFileInfosForPost(postId string) ([]*model.FileInfo, *model.AppError) {
if result := <-pchan; result.Err != nil {
return nil, result.Err
} else {
- post = result.Data.(*model.PostList).Posts[postId]
+ post = result.Data.(*model.Post)
}
if len(post.Filenames) > 0 {
diff --git a/model/client4.go b/model/client4.go
index 15f42dbc2..7afc63359 100644
--- a/model/client4.go
+++ b/model/client4.go
@@ -92,6 +92,14 @@ func (c *Client4) GetChannelMemberRoute(channelId, userId string) string {
return fmt.Sprintf(c.GetChannelMembersRoute(channelId)+"/%v", userId)
}
+func (c *Client4) GetPostsRoute() string {
+ return fmt.Sprintf("/posts")
+}
+
+func (c *Client4) GetPostRoute(postId string) string {
+ return fmt.Sprintf(c.GetPostsRoute()+"/%v", postId)
+}
+
func (c *Client4) DoApiGet(url string, etag string) (*http.Response, *AppError) {
return c.DoApiRequest(http.MethodGet, url, "", etag)
}
@@ -468,4 +476,47 @@ func (c *Client4) GetChannelMembersForUser(userId, teamId, etag string) (*Channe
}
// Post Section
+
+// CreatePost creates a post based on the provided post struct.
+func (c *Client4) CreatePost(post *Post) (*Post, *Response) {
+ if r, err := c.DoApiPost(c.GetPostsRoute(), post.ToJson()); err != nil {
+ return nil, &Response{StatusCode: r.StatusCode, Error: err}
+ } else {
+ defer closeBody(r)
+ return PostFromJson(r.Body), BuildResponse(r)
+ }
+}
+
+// GetPost gets a single post.
+func (c *Client4) GetPost(postId string, etag string) (*Post, *Response) {
+ if r, err := c.DoApiGet(c.GetPostRoute(postId), etag); err != nil {
+ return nil, &Response{StatusCode: r.StatusCode, Error: err}
+ } else {
+ defer closeBody(r)
+ return PostFromJson(r.Body), BuildResponse(r)
+ }
+}
+
+// GetPostThread gets a post with all the other posts in the same thread.
+func (c *Client4) GetPostThread(postId string, etag string) (*PostList, *Response) {
+ if r, err := c.DoApiGet(c.GetPostRoute(postId)+"/thread", etag); err != nil {
+ return nil, &Response{StatusCode: r.StatusCode, Error: err}
+ } else {
+ defer closeBody(r)
+ return PostListFromJson(r.Body), BuildResponse(r)
+ }
+}
+
+// GetPostsForChannel gets a page of posts with an array for ordering for a channel.
+func (c *Client4) GetPostsForChannel(channelId string, page, perPage int, etag string) (*PostList, *Response) {
+ query := fmt.Sprintf("?page=%v&per_page=%v", page, perPage)
+ if r, err := c.DoApiGet(c.GetChannelRoute(channelId)+"/posts"+query, etag); err != nil {
+ return nil, &Response{StatusCode: r.StatusCode, Error: err}
+ } else {
+ defer closeBody(r)
+ return PostListFromJson(r.Body), BuildResponse(r)
+ }
+}
+
+// Files Section
// to be filled in..
diff --git a/model/post_list.go b/model/post_list.go
index 4c0f5408e..5a479ca35 100644
--- a/model/post_list.go
+++ b/model/post_list.go
@@ -75,7 +75,12 @@ func (o *PostList) Etag() string {
}
}
- return Etag(id, t)
+ orderId := ""
+ if len(o.Order) > 0 {
+ orderId = o.Order[0]
+ }
+
+ return Etag(orderId, id, t)
}
func (o *PostList) IsChannelId(channelId string) bool {