From 5efcd2d9d3fb91ae7475918b807b7947b533da9b Mon Sep 17 00:00:00 2001
From: Robin Naundorf <r.naundorf@fh-muenster.de>
Date: Tue, 9 May 2017 14:52:46 +0200
Subject: Add API Endpoint for deleted Channels (#5889)

---
 api4/channel.go      | 21 +++++++++++++++++++++
 api4/channel_test.go | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 70 insertions(+)

(limited to 'api4')

diff --git a/api4/channel.go b/api4/channel.go
index 493b012a0..69cc0953e 100644
--- a/api4/channel.go
+++ b/api4/channel.go
@@ -21,6 +21,7 @@ func InitChannel() {
 	BaseRoutes.Channels.Handle("/members/{user_id:[A-Za-z0-9]+}/view", ApiSessionRequired(viewChannel)).Methods("POST")
 
 	BaseRoutes.ChannelsForTeam.Handle("", ApiSessionRequired(getPublicChannelsForTeam)).Methods("GET")
+	BaseRoutes.ChannelsForTeam.Handle("/deleted", ApiSessionRequired(getDeletedChannelsForTeam)).Methods("GET")
 	BaseRoutes.ChannelsForTeam.Handle("/ids", ApiSessionRequired(getPublicChannelsByIdsForTeam)).Methods("POST")
 	BaseRoutes.ChannelsForTeam.Handle("/search", ApiSessionRequired(searchChannelsForTeam)).Methods("POST")
 	BaseRoutes.User.Handle("/teams/{team_id:[A-Za-z0-9]+}/channels", ApiSessionRequired(getChannelsForTeamForUser)).Methods("GET")
@@ -385,6 +386,26 @@ func getPublicChannelsForTeam(c *Context, w http.ResponseWriter, r *http.Request
 	}
 }
 
+func getDeletedChannelsForTeam(c *Context, w http.ResponseWriter, r *http.Request) {
+	c.RequireTeamId()
+	if c.Err != nil {
+		return
+	}
+
+	if !app.SessionHasPermissionToTeam(c.Session, c.Params.TeamId, model.PERMISSION_MANAGE_TEAM) {
+		c.SetPermissionError(model.PERMISSION_MANAGE_TEAM)
+		return
+	}
+
+	if channels, err := app.GetDeletedChannels(c.Params.TeamId, c.Params.Page * c.Params.PerPage, c.Params.PerPage); err != nil {
+		c.Err = err
+		return
+	} else {
+		w.Write([]byte(channels.ToJson()))
+		return
+	}
+}
+
 func getPublicChannelsByIdsForTeam(c *Context, w http.ResponseWriter, r *http.Request) {
 	c.RequireTeamId()
 	if c.Err != nil {
diff --git a/api4/channel_test.go b/api4/channel_test.go
index 345bbefaf..10cb272f3 100644
--- a/api4/channel_test.go
+++ b/api4/channel_test.go
@@ -489,6 +489,55 @@ func TestGetChannel(t *testing.T) {
 	CheckNotFoundStatus(t, resp)
 }
 
+func TestGetDeletedChannelsForTeam(t *testing.T) {
+	th := Setup().InitBasic().InitSystemAdmin()
+	defer TearDown()
+	Client := th.Client
+	team := th.BasicTeam
+
+	channels, resp := Client.GetDeletedChannelsForTeam(team.Id, 0, 100, "")
+	CheckForbiddenStatus(t, resp)
+
+	th.LoginTeamAdmin()
+
+	channels, resp = Client.GetDeletedChannelsForTeam(team.Id, 0, 100, "")
+	CheckNoError(t, resp)
+	if len(*channels) != 0 {
+		t.Fatal("should be no deleted channels")
+	}
+
+	// create and delete public channel
+	publicChannel1 := th.CreatePublicChannel()
+	Client.DeleteChannel(publicChannel1.Id)
+
+	channels, resp = Client.GetDeletedChannelsForTeam(team.Id, 0, 100, "")
+	CheckNoError(t, resp)
+	if len(*channels) != 1 {
+		t.Fatal("should be 1 deleted channel")
+	}
+
+	publicChannel2 := th.CreatePublicChannel()
+	Client.DeleteChannel(publicChannel2.Id)
+
+	channels, resp = Client.GetDeletedChannelsForTeam(team.Id, 0, 100, "")
+	CheckNoError(t, resp)
+	if len(*channels) != 2 {
+		t.Fatal("should be 2 deleted channels")
+	}
+
+	channels, resp = Client.GetDeletedChannelsForTeam(team.Id, 0, 1, "")
+	CheckNoError(t, resp)
+	if len(*channels) != 1 {
+		t.Fatal("should be one channel per page")
+	}
+
+	channels, resp = Client.GetDeletedChannelsForTeam(team.Id, 1, 1, "")
+	CheckNoError(t, resp)
+	if len(*channels) != 1 {
+		t.Fatal("should be one channel per page")
+	}
+}
+
 func TestGetPublicChannelsForTeam(t *testing.T) {
 	th := Setup().InitBasic().InitSystemAdmin()
 	defer TearDown()
-- 
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