From 0a81dd9fff606d041ee08c62c655bf6966c7a66a Mon Sep 17 00:00:00 2001
From: Carlos Tadeu Panato Junior <ctadeu@gmail.com>
Date: Tue, 4 Apr 2017 06:20:04 +0200
Subject: implement GET /teams/{team_id}/commands/autocomplete (#5951)

---
 api4/command.go      | 22 +++++++++++++++++++
 api4/command_test.go | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 model/client4.go     | 14 ++++++++++++
 3 files changed, 96 insertions(+)

diff --git a/api4/command.go b/api4/command.go
index 41a85eac3..d6102bd70 100644
--- a/api4/command.go
+++ b/api4/command.go
@@ -18,6 +18,8 @@ func InitCommand() {
 
 	BaseRoutes.Commands.Handle("", ApiSessionRequired(createCommand)).Methods("POST")
 	BaseRoutes.Commands.Handle("", ApiSessionRequired(listCommands)).Methods("GET")
+
+	BaseRoutes.Team.Handle("/commands/autocomplete", ApiSessionRequired(listAutocompleteCommands)).Methods("GET")
 }
 
 func createCommand(c *Context, w http.ResponseWriter, r *http.Request) {
@@ -91,3 +93,23 @@ func listCommands(c *Context, w http.ResponseWriter, r *http.Request) {
 
 	w.Write([]byte(model.CommandListToJson(commands)))
 }
+
+func listAutocompleteCommands(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_VIEW_TEAM) {
+		c.SetPermissionError(model.PERMISSION_VIEW_TEAM)
+		return
+	}
+
+	commands, err := app.ListAutocompleteCommands(c.Params.TeamId, c.T)
+	if err != nil {
+		c.Err = err
+		return
+	}
+
+	w.Write([]byte(model.CommandListToJson(commands)))
+}
diff --git a/api4/command_test.go b/api4/command_test.go
index 3c8076470..75842886c 100644
--- a/api4/command_test.go
+++ b/api4/command_test.go
@@ -136,3 +136,63 @@ func TestListCommands(t *testing.T) {
 		}
 	})
 }
+
+func TestListAutocompleteCommands(t *testing.T) {
+	th := Setup().InitBasic().InitSystemAdmin()
+	defer TearDown()
+	Client := th.Client
+
+	newCmd := &model.Command{
+		CreatorId: th.BasicUser.Id,
+		TeamId:    th.BasicTeam.Id,
+		URL:       "http://nowhere.com",
+		Method:    model.COMMAND_METHOD_POST,
+		Trigger:   "custom_command"}
+
+	_, resp := th.SystemAdminClient.CreateCommand(newCmd)
+	CheckNoError(t, resp)
+
+	t.Run("ListAutocompleteCommandsOnly", func(t *testing.T) {
+		listCommands, resp := th.SystemAdminClient.ListAutocompleteCommands(th.BasicTeam.Id)
+		CheckNoError(t, resp)
+
+		foundEcho := false
+		foundCustom := false
+		for _, command := range listCommands {
+			if command.Trigger == "echo" {
+				foundEcho = true
+			}
+			if command.Trigger == "custom_command" {
+				foundCustom = true
+			}
+		}
+		if !foundEcho {
+			t.Fatal("Couldn't find echo command")
+		}
+		if foundCustom {
+			t.Fatal("Should not list the custom command")
+		}
+	})
+
+	t.Run("RegularUserCanListOnlySystemCommands", func(t *testing.T) {
+		listCommands, resp := Client.ListAutocompleteCommands(th.BasicTeam.Id)
+		CheckNoError(t, resp)
+
+		foundEcho := false
+		foundCustom := false
+		for _, command := range listCommands {
+			if command.Trigger == "echo" {
+				foundEcho = true
+			}
+			if command.Trigger == "custom_command" {
+				foundCustom = true
+			}
+		}
+		if !foundEcho {
+			t.Fatal("Couldn't find echo command")
+		}
+		if foundCustom {
+			t.Fatal("Should not list the custom command")
+		}
+	})
+}
diff --git a/model/client4.go b/model/client4.go
index 91ecaa134..cd9a6de75 100644
--- a/model/client4.go
+++ b/model/client4.go
@@ -78,6 +78,10 @@ func (c *Client4) GetTeamRoute(teamId string) string {
 	return fmt.Sprintf(c.GetTeamsRoute()+"/%v", teamId)
 }
 
+func (c *Client4) GetTeamAutoCompleteCommandsRoute(teamId string) string {
+	return fmt.Sprintf(c.GetTeamsRoute()+"/%v/commands/autocomplete", teamId)
+}
+
 func (c *Client4) GetTeamByNameRoute(teamName string) string {
 	return fmt.Sprintf(c.GetTeamsRoute()+"/name/%v", teamName)
 }
@@ -2131,6 +2135,16 @@ func (c *Client4) ListCommands(teamId string, customOnly bool) ([]*Command, *Res
 	}
 }
 
+// ListCommands will retrieve a list of commands available in the team.
+func (c *Client4) ListAutocompleteCommands(teamId string) ([]*Command, *Response) {
+	if r, err := c.DoApiGet(c.GetTeamAutoCompleteCommandsRoute(teamId), ""); err != nil {
+		return nil, &Response{StatusCode: r.StatusCode, Error: err}
+	} else {
+		defer closeBody(r)
+		return CommandListFromJson(r.Body), BuildResponse(r)
+	}
+}
+
 // Status Section
 
 // GetUserStatus returns a user based on the provided user id string.
-- 
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