add api route for retrieving teams of signed in user

docs/sources/http_api/user.md

@@ -363,6 +363,39 @@ Content-Type: application/json
 ]
 ```
 
+## Teams that the actual User is member of
+
+`GET /api/user/teams`
+
+Return a list of all teams that the current user is member of.
+
+**Example Request**:
+
+```http
+GET /api/user/teams HTTP/1.1
+Accept: application/json
+Content-Type: application/json
+Authorization: Bearer eyJrIjoiT0tTcG1pUlY2RnVKZTFVaDFsNFZXdE9ZWmNrMkZYbk
+```
+
+**Example Response**:
+
+```http
+HTTP/1.1 200
+Content-Type: application/json
+
+[
+  {
+    "id": 1,
+    "orgId": 1,
+    "name": "MyTestTeam",
+    "email": "",
+    "avatarUrl": "\/avatar\/3f49c15916554246daa714b9bd0ee398",
+    "memberCount": 1
+  }
+]
+```
+
 ## Star a dashboard
 
 `POST /api/user/stars/dashboard/:dashboardId`

pkg/api/api.go

@@ -120,6 +120,7 @@ func (hs *HTTPServer) registerRoutes() {
 			userRoute.Put("/", bind(m.UpdateUserCommand{}), Wrap(UpdateSignedInUser))
 			userRoute.Post("/using/:id", Wrap(UserSetUsingOrg))
 			userRoute.Get("/orgs", Wrap(GetSignedInUserOrgList))
+			userRoute.Get("/teams", Wrap(GetSignedInUserTeamList))
 
 			userRoute.Post("/stars/dashboard/:id", Wrap(StarDashboard))
 			userRoute.Delete("/stars/dashboard/:id", Wrap(UnstarDashboard))

pkg/api/user.go

@@ -111,6 +111,21 @@ func GetSignedInUserOrgList(c *m.ReqContext) Response {
 	return getUserOrgList(c.UserId)
 }
 
+// GET /api/user/teams
+func GetSignedInUserTeamList(c *m.ReqContext) Response {
+	query := m.GetTeamsByUserQuery{OrgId: c.OrgId, UserId: c.UserId}
+
+	if err := bus.Dispatch(&query); err != nil {
+		return Error(500, "Failed to get user teams", err)
+	}
+
+	for _, team := range query.Result {
+		team.AvatarUrl = dtos.GetGravatarUrlWithDefault(team.Email, team.Name)
+	}
+
+	return JSON(200, query.Result)
+}
+
 // GET /api/user/:id/orgs
 func GetUserOrgList(c *m.ReqContext) Response {
 	return getUserOrgList(c.ParamsInt64(":id"))