Initialize repository

api/user.go

@@ -0,0 +1,48 @@
+package api
+
+import (
+	"errors"
+	"net/http"
+
+	"github.com/eikendev/pushbits/model"
+
+	"github.com/gin-gonic/gin"
+)
+
+// The UserDatabase interface for encapsulating database access.
+type UserDatabase interface {
+	CreateUser(user *model.User) error
+	GetUserByName(name string) (*model.User, error)
+}
+
+// UserHandler holds information for processing requests about users.
+type UserHandler struct {
+	DB UserDatabase
+}
+
+func (h *UserHandler) userExists(name string) bool {
+	user, _ := h.DB.GetUserByName(name)
+	return user != nil
+}
+
+// CreateUser creates a new user.
+func (h *UserHandler) CreateUser(ctx *gin.Context) {
+	externalUser := model.ExternalUserWithCredentials{}
+
+	if success := successOrAbort(ctx, http.StatusBadRequest, ctx.Bind(&externalUser)); !success {
+		return
+	}
+
+	user := externalUser.IntoInternalUser()
+
+	if h.userExists(user.Name) {
+		ctx.AbortWithError(http.StatusBadRequest, errors.New("username already exists"))
+		return
+	}
+
+	if success := successOrAbort(ctx, http.StatusInternalServerError, h.DB.CreateUser(user)); !success {
+		return
+	}
+
+	ctx.JSON(http.StatusOK, user.IntoExternalUser())
+}