feat: register route + repo accessing

internal/user/routes.go

@@ -1,21 +1,29 @@
 package user
 
 import (
+	"context"
+	"encoding/json"
 	"net/http"
 
+	"gitea.local/admin/hspguard/internal/repository"
 	"gitea.local/admin/hspguard/internal/web"
 	"github.com/go-chi/chi/v5"
 )
 
-type UserHandler struct{}
+type UserHandler struct {
+	repo *repository.Queries
+}
 
-func NewUserHandler() *UserHandler {
-	return &UserHandler{}
+func NewUserHandler(repo *repository.Queries) *UserHandler {
+	return &UserHandler{
+		repo: repo,
+	}
 }
 
 func (h *UserHandler) RegisterRoutes(router chi.Router, api chi.Router) {
 	router.Get("/login", h.loginPage)
 	router.Get("/register", h.registerPage)
+	api.Post("/register", h.register)
 }
 
 func (h *UserHandler) loginPage(w http.ResponseWriter, r *http.Request) {
@@ -33,3 +41,54 @@ func (h *UserHandler) registerPage(w http.ResponseWriter, r *http.Request) {
 
 	web.RenderTemplate(w, "register", data)
 }
+
+type RegisterParams struct {
+	FullName    string `json:"full_name"`
+	Email       string `json:"email"`
+	PhoneNumber string `json:"phone"`
+	Password    string `json:"password"`
+}
+
+func (h *UserHandler) register(w http.ResponseWriter, r *http.Request) {
+	var params RegisterParams
+
+	decoder := json.NewDecoder(r.Body)
+	if err := decoder.Decode(&params); err != nil {
+		web.Error(w, "failed to parse request body", http.StatusBadRequest)
+		return
+	}
+
+	if params.Email == "" || params.FullName == "" || params.Password == "" {
+		web.Error(w, "missing required fields", http.StatusBadRequest)
+		return
+	}
+
+	_, err := h.repo.FindUserEmail(context.Background(), params.Email)
+	if err == nil {
+		web.Error(w, "user with provided email already exists", http.StatusBadRequest)
+		return
+	}
+
+	id, err := h.repo.InsertUser(context.Background(), repository.InsertUserParams{
+		FullName:     params.FullName,
+		Email:        params.Email,
+		PasswordHash: params.Password,
+		IsAdmin:      false,
+	})
+	if err != nil {
+		web.Error(w, "failed to create new user", http.StatusInternalServerError)
+		return
+	}
+
+	encoder := json.NewEncoder(w)
+
+	type Response struct {
+		Id string `json:"id"`
+	}
+
+	if err := encoder.Encode(Response{
+		Id: id.String(),
+	}); err != nil {
+		web.Error(w, "failed to encode response", http.StatusInternalServerError)
+	}
+}