Add session templates

handlers/session_setup.go

@@ -0,0 +1,35 @@
+package handlers
+
+import (
+	"encoding/json"
+	"log"
+	"net/http"
+
+	"github.com/gorilla/mux"
+	"github.com/play-with-docker/play-with-docker/pwd"
+)
+
+func SessionSetup(rw http.ResponseWriter, req *http.Request) {
+	vars := mux.Vars(req)
+	sessionId := vars["sessionId"]
+
+	body := pwd.SessionSetupConf{}
+
+	json.NewDecoder(req.Body).Decode(&body)
+
+	s := core.SessionGet(sessionId)
+
+	if len(s.Instances) > 0 {
+		log.Println("Cannot setup a session that contains instances")
+		rw.WriteHeader(http.StatusConflict)
+		rw.Write([]byte("Cannot setup a session that contains instances"))
+		return
+	}
+
+	err := core.SessionSetup(s, body)
+	if err != nil {
+		log.Println(err)
+		rw.WriteHeader(http.StatusInternalServerError)
+		return
+	}
+}