@@ -35,7 +35,7 @@ if err != nil {
 		return err
 	}
 
-	apiService := endpoint.Serve(config.C, db, userservice)
+	apiService := endpoint.Serve(config.C, db, userservice, gameservice)
 	apiService.Run(config.C.Server.ServiceApi)
 
 	return nil

@@ -1,5 +1,9 @@
 package constants
 
+import (
+	"github.com/arnaucube/gogame/models"
+)
+
 // game constants
 
 const GALAXYSIZE = 50
@@ -31,3 +35,28 @@ 1,
 	5,
 	10,
 }
+
+// BuildingsNeededResources hold
+// map with all the buildings, that each one is a map with the levels of the buildings with the needed ressources
+var BuildingsNeededResources = map[string]map[int64]models.Resources{
+	"metalplant": map[int64]models.Resources{
+		1: models.Resources{
+			Metal:     50,
+			Crystal:   50,
+			Deuterium: 50,
+			Energy:    50,
+		},
+		2: models.Resources{
+			Metal:     70,
+			Crystal:   70,
+			Deuterium: 70,
+			Energy:    70,
+		},
+		3: models.Resources{
+			Metal:     90,
+			Crystal:   90,
+			Deuterium: 90,
+			Energy:    90,
+		},
+	},
+}

@@ -1,8 +1,11 @@
 package endpoint
 
 import (
+	"fmt"
+
 	"github.com/fatih/color"
 	"github.com/gin-gonic/gin"
+	"gopkg.in/mgo.v2/bson"
 )
 
 func fail(c *gin.Context, err error, msg string) {
@@ -64,14 +67,14 @@
 func handleGetResources(c *gin.Context) {
 	userid := c.Param("userid")
 
-	user, err := userservice.GetUserById(userid)
+	user, err := userservice.GetUserById(bson.ObjectIdHex(userid))
 	if err != nil {
 		fail(c, err, "error on getting user")
 		return
 	}
 	resources, err := user.GetResources()
 	if err != nil {
-		fail(c, err, "error on getting user")
+		fail(c, err, "error on getting user resources")
 		return
 	}
 
@@ -80,3 +83,49 @@ "user":      user,
 		"resources": resources,
 	})
 }
+
+func handleGetUserPlanets(c *gin.Context) {
+	userid := c.Param("userid")
+
+	planets, err := userservice.GetUserPlanetsById(bson.ObjectIdHex(userid))
+	if err != nil {
+		fail(c, err, "error on getting user planets")
+		return
+	}
+
+	c.JSON(200, gin.H{
+		"planets": planets,
+	})
+}
+
+type BuildMsg struct {
+	PlanetId string
+	Building string
+}
+
+func handlePostUpgradeBuilding(c *gin.Context) {
+	userid := c.Param("userid")
+	var buildMsg BuildMsg
+	err := c.BindJSON(&buildMsg)
+	if err != nil {
+		fail(c, err, "error parsing json")
+		return
+	}
+	fmt.Println(buildMsg)
+
+	user, err := userservice.GetUserById(bson.ObjectIdHex(userid))
+	if err != nil {
+		fail(c, err, "error on getting user")
+		return
+	}
+
+	planet, err := gameservice.UpgradeBuilding(user, bson.ObjectIdHex(buildMsg.PlanetId), buildMsg.Building)
+	if err != nil {
+		fail(c, err, "error upgrading building")
+		return
+	}
+
+	c.JSON(200, gin.H{
+		"planet": planet,
+	})
+}

@@ -3,6 +3,7 @@
 import (
 	"github.com/arnaucube/gogame/config"
 	"github.com/arnaucube/gogame/database"
+	"github.com/arnaucube/gogame/services/gamesrv"
 	"github.com/arnaucube/gogame/services/usersrv"
 	"github.com/gin-contrib/cors"
 	"github.com/gin-gonic/gin"
@@ -11,6 +12,7 @@
 var serverConfig config.Config
 var db *database.Db
 var userservice *usersrv.Service
+var gameservice *gamesrv.Service
 
 func newApiService() *gin.Engine {
 	api := gin.Default()
@@ -22,12 +24,15 @@ api.POST("/login", handleLogin)
 
 	// TODO add jwt checker
 	api.GET("/resources/:userid", handleGetResources)
+	api.GET("/planets/:userid", handleGetUserPlanets)
+	api.POST("/buildings/:userid", handlePostUpgradeBuilding)
 	return api
 }
 
-func Serve(cnfg config.Config, _db *database.Db, _userservice *usersrv.Service) *gin.Engine {
+func Serve(cnfg config.Config, _db *database.Db, _userservice *usersrv.Service, _gameservice *gamesrv.Service) *gin.Engine {
 	serverConfig = cnfg
 	db = _db
 	userservice = _userservice
+	gameservice = _gameservice
 	return newApiService()
 }

@@ -2,7 +2,8 @@ package models
 
 import "gopkg.in/mgo.v2/bson"
 
-type BuildingsList struct {
+/*
+BuildingsList
 	MetalMine       int64
 	CrystalMine     int64
 	DeuteriumMine   int64
@@ -11,11 +12,11 @@ FusionReactor   int64
 	RoboticsFactory int64
 	Shipyard        int64
 	RessearchLab    int64
-}
+*/
 type Planet struct {
 	Id        bson.ObjectId `json:"id" bson:"_id,omitempty"`
 	Size      int64         // fields/slots
 	Name      string
 	OwnerId   bson.ObjectId
-	Buildings BuildingsList
+	Buildings map[string]int64
 }

@@ -1,6 +1,7 @@
 package models
 
 import (
+	"errors"
 	"fmt"
 	"time"
 
@@ -42,6 +43,12 @@ Name:        name,
 		Password:    password,
 		Email:       email,
 		LastUpdated: time.Now(),
+		Resources: Resources{
+			Metal:     500,
+			Crystal:   500,
+			Deuterium: 500,
+			Energy:    500,
+		},
 	}
 	err := db.Users.Insert(newUser)
 	if err != nil {
@@ -117,10 +124,10 @@ var metalGrowth, crystalGrowth, deuteriumGrowth, energyGrowth int64
 	for _, planet := range planets {
 		fmt.Println("planet", planet)
 		// TODO find correct formulas
-		metalGrowth = metalGrowth + ((1 + planet.Buildings.MetalMine) * int64(delta))
-		crystalGrowth = crystalGrowth + ((1 * planet.Buildings.CrystalMine) * int64(delta))
-		deuteriumGrowth = deuteriumGrowth + ((1 * planet.Buildings.DeuteriumMine) * int64(delta))
-		energyGrowth = energyGrowth + ((1 * planet.Buildings.EnergyMine) * int64(delta))
+		metalGrowth = metalGrowth + ((1 + planet.Buildings["metalmine"]) * int64(delta))
+		crystalGrowth = crystalGrowth + ((1 + planet.Buildings["crystalmine"]) * int64(delta))
+		deuteriumGrowth = deuteriumGrowth + ((1 + planet.Buildings["deuteriummine"]) * int64(delta))
+		energyGrowth = energyGrowth + ((1 + planet.Buildings["energymine"]) * int64(delta))
 	}
 	// calculate newAmount = oldAmount + growth
 	u.Resources.Metal = u.Resources.Metal + metalGrowth
@@ -137,3 +144,34 @@
 	// return user
 	return &u.Resources, nil
 }
+
+// SpendResources checks if user has enough resources, then substracts the resources, and updates the amounts in the database
+func (u *User) SpendResources(r Resources) error {
+	err := u.GetFromDb()
+	if err != nil {
+		return err
+	}
+	if u.Resources.Metal < r.Metal {
+		return errors.New("not enough metal resources")
+	}
+	if u.Resources.Crystal < r.Crystal {
+		return errors.New("not enough crystal resources")
+	}
+	if u.Resources.Deuterium < r.Deuterium {
+		return errors.New("not enough deuterium resources")
+	}
+	if u.Resources.Energy < r.Energy {
+		return errors.New("not enough energy resources")
+	}
+
+	u.Resources.Metal = u.Resources.Metal - r.Metal
+	u.Resources.Crystal = u.Resources.Crystal - r.Crystal
+	u.Resources.Deuterium = u.Resources.Deuterium - r.Deuterium
+	u.Resources.Energy = u.Resources.Energy - r.Energy
+
+	err = u.StoreInDb()
+	if err != nil {
+		return err
+	}
+	return nil
+}

@@ -29,13 +29,14 @@ newPlanet := models.Planet{
 		Size:    size,
 		Name:    name,
 		OwnerId: userId,
-		Buildings: models.BuildingsList{
-			MetalMine:     1,
-			CrystalMine:   1,
-			DeuteriumMine: 1,
-			EnergyMine:    1,
-		},
 	}
+	// in case that wants to start with resources plants
+	// newPlanet.Buildings = make(map[string]int64)
+	// newPlanet.Buildings["metalplant"] = 1
+	// newPlanet.Buildings["crystalplant"] = 1
+	// newPlanet.Buildings["deuteriumplant"] = 1
+	// newPlanet.Buildings["energyplant"] = 1
+
 	err := srv.db.Planets.Insert(newPlanet)
 	if err != nil {
 		return nil, nil, err
@@ -90,3 +91,26 @@ err = srv.db.SolarSystems.Update(bson.M{"position": position}, solarSystem)
 
 	return &solarSystem, err
 }
+
+func (srv Service) UpgradeBuilding(user *models.User, planetid bson.ObjectId, building string) (*models.Planet, error) {
+	// get planet
+	var planet models.Planet
+	err := srv.db.Planets.Find(bson.M{"_id": planetid}).One(&planet)
+	if err != nil {
+		return nil, err
+	}
+
+	// get current building level, and get the needed resources for next level
+	resourcesNeeded := constants.BuildingsNeededResources[building][planet.Buildings[building]+1]
+
+	// if user have enough resources to upgrade the building, upgrade the building
+	err = user.SpendResources(resourcesNeeded)
+	if err != nil {
+		return nil, err
+	}
+	// upgrade level of building in planet
+	planet.Buildings[building] += 1
+	// store planet in db
+	err = srv.db.Planets.Update(bson.M{"_id": planet.Id}, planet)
+	return &planet, nil
+}

@@ -82,13 +82,22 @@
 	return &tokenString, user, err
 }
 
-func (srv Service) GetUserById(userid string) (*models.User, error) {
+func (srv Service) GetUserById(userid bson.ObjectId) (*models.User, error) {
 	var userDb models.UserDb
-	err := srv.db.Users.Find(bson.M{"_id": bson.ObjectIdHex(userid)}).One(&userDb)
+	err := srv.db.Users.Find(bson.M{"_id": userid}).One(&userDb)
 	if err != nil {
 		return nil, err
 	}
 	return models.UserDbToUser(srv.db, userDb), nil
+}
+
+func (srv Service) GetUserPlanetsById(userid bson.ObjectId) ([]*models.Planet, error) {
+	var planets []*models.Planet
+	err := srv.db.Planets.Find(bson.M{"ownerid": userid}).All(&planets)
+	if err != nil {
+		return nil, err
+	}
+	return planets, err
 }
 
 // func (srv Service) GetUser(id bson.ObjectId) (*models.User, error) {

@@ -41,9 +41,39 @@ t.rStatus("get /resources", r)
 jsonR = r.json()
 print(jsonR)
 
-time.sleep(4)
+time.sleep(1)
 r = requests.get(URL + "/resources/"+ userid)
 t.rStatus("get /resources", r)
+jsonR = r.json()
+print(jsonR)
+
+r = requests.get(URL + "/resources/"+ userid)
+t.rStatus("get /resources", r)
+jsonR = r.json()
+print(jsonR)
+
+r = requests.get(URL + "/planets/"+userid)
+t.rStatus("post /planets/:userid", r)
+jsonR = r.json()
+print(jsonR)
+print(jsonR["planets"][0])
+planetid = jsonR["planets"][0]["id"]
+
+d = {
+        "planetid": planetid,
+        "building": "metalplant",
+}
+r = requests.post(URL + "/buildings/"+userid, json=d)
+t.rStatus("post /building/:userid", r)
+jsonR = r.json()
+print(jsonR)
+
+d = {
+        "planetid": planetid,
+        "building": "ressearchlab",
+}
+r = requests.post(URL + "/buildings/"+userid, json=d)
+t.rStatus("post /building/:userid", r)
 jsonR = r.json()
 print(jsonR)