feat: implement wakatime users endpoint (resolve #193)

routes/compat/wakatime/v1/users.go

@@ -0,0 +1,63 @@
+package v1
+
+import (
+	"github.com/gorilla/mux"
+	conf "github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/middlewares"
+	v1 "github.com/muety/wakapi/models/compat/wakatime/v1"
+	"github.com/muety/wakapi/services"
+	"github.com/muety/wakapi/utils"
+	"net/http"
+)
+
+type UsersHandler struct {
+	config        *conf.Config
+	userSrvc      services.IUserService
+	heartbeatSrvc services.IHeartbeatService
+}
+
+func NewUsersHandler(userService services.IUserService, heartbeatService services.IHeartbeatService) *UsersHandler {
+	return &UsersHandler{
+		userSrvc:      userService,
+		heartbeatSrvc: heartbeatService,
+		config:        conf.Get(),
+	}
+}
+
+func (h *UsersHandler) RegisterRoutes(router *mux.Router) {
+	r := router.PathPrefix("/compat/wakatime/v1/users/{user}").Subrouter()
+	r.Use(
+		middlewares.NewAuthenticateMiddleware(h.userSrvc).Handler,
+	)
+	r.Methods(http.MethodGet).HandlerFunc(h.Get)
+}
+
+// @Summary Retrieve the given user
+// @Description Mimics https://wakatime.com/developers#users
+// @ID get-wakatime-user
+// @Tags wakatime
+// @Produce json
+// @Param user path string true "User ID to fetch (or 'current')"
+// @Security ApiKeyAuth
+// @Success 200 {object} v1.UserViewModel
+// @Router /compat/wakatime/v1/users/{user} [get]
+func (h *UsersHandler) Get(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+
+	requestedUser := vars["user"]
+	authorizedUser := middlewares.GetPrincipal(r)
+
+	if requestedUser != authorizedUser.ID && requestedUser != "current" {
+		w.WriteHeader(http.StatusForbidden)
+		return
+	}
+
+	user := v1.NewFromUser(authorizedUser)
+	if hb, err := h.heartbeatSrvc.GetLatestByUser(authorizedUser); err == nil {
+		user = user.WithLatestHeartbeat(hb)
+	} else {
+		conf.Log().Request(r).Error("%v", err)
+	}
+
+	utils.RespondJSON(w, r, http.StatusOK, v1.UserViewModel{Data: user})
+}