tsk-35: Update name of user (#38)

Closes #35

Reviewed-on: phoenix/textsender-auth#38
Co-authored-by: phoenix <kundeng00@pm.me>
Co-committed-by: phoenix <kundeng00@pm.me>

internal/handler/register.go

@@ -2,6 +2,7 @@ package handler
 
 import (
 	"fmt"
+	"log"
 	"net/http"
 
 	"git.kundeng.us/phoenix/textsender-models/tx0/user"
@@ -12,6 +13,15 @@ import (
 	"git.kundeng.us/phoenix/textsender-auth/internal/utility"
 )
 
+type UserHandler struct {
+	Config    *config.Config
+	UserStore store.UserStore
+}
+
+func NewUserHandler(cfg *config.Config, userStore store.UserStore) *UserHandler {
+	return &UserHandler{Config: cfg, UserStore: userStore}
+}
+
 type RegisterUser struct {
 	PhoneNumber string `json:"phone_number"`
 	Username    string `json:"username"`
@@ -29,15 +39,6 @@ type RegisterResponse struct {
 	Data    []RegisterResponseItem `json:"data"`
 }
 
-type UserHandler struct {
-	Config    *config.Config
-	UserStore store.UserStore
-}
-
-func NewUserHandler(cfg *config.Config, userStore store.UserStore) *UserHandler {
-	return &UserHandler{Config: cfg, UserStore: userStore}
-}
-
 // Register godoc
 // @Summary      Register user
 // @Description  Create a user that can send texts (requires JWT)
@@ -112,3 +113,76 @@ func (u *UserHandler) Register(w http.ResponseWriter, r *http.Request) {
 
 	RespondWithJson(w, statusCode, &resp)
 }
+
+type UpdateNameRequest struct {
+	Firstname *string   `json:"first_name,omitempty"`
+	Lastname  *string   `json:"last_name,omitempty"`
+	UserId    uuid.UUID `json:"user_id"`
+}
+
+type UpdateNameResponse struct {
+	Message string       `json:"message"`
+	Data    []*user.User `json:"data"`
+}
+
+// UpdateName godoc
+// @Summary      Update name of user
+// @Description  Update the first or last name of a user (requires JWT)
+// @Tags         users
+// @Accept       json
+// @Produce      json
+// @Security     BearerAuth
+// @Param        request body      UpdateNameRequest true  "Data to update name of user"
+// @Success      200  {object}  UpdateNameResponse
+// @Failure      400  {object}  UpdateNameResponse
+// @Failure      403  {object}  UpdateNameResponse
+// @Failure      500  {object}  UpdateNameResponse
+// @Router       /user/name/update [patch]
+func (u *UserHandler) UpdateName(w http.ResponseWriter, r *http.Request) {
+	var req UpdateNameRequest
+	err := ExtractFromRequest(r, &req)
+	if err != nil {
+		http.Error(w, "Invalid JSON: "+err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	defer r.Body.Close()
+
+	var statusCode int
+	var resp UpdateNameResponse
+	updateFirstname := req.Firstname != nil && len(*req.Firstname) > 0
+	updateLastname := req.Lastname != nil && len(*req.Lastname) > 0
+
+	if req.UserId == uuid.Nil {
+		statusCode = http.StatusBadRequest
+		resp.Message = "User Id not provided"
+	} else if !updateFirstname && !updateLastname {
+		statusCode = http.StatusBadRequest
+		resp.Message = "No name provided"
+	} else {
+		ctx := r.Context()
+		if usr, err := u.UserStore.GetUserByID(ctx, req.UserId); err != nil {
+			log.Println("Error:", err)
+			statusCode = http.StatusInternalServerError
+			resp.Message = err.Error()
+		} else {
+			if usr == nil {
+				statusCode = http.StatusNotFound
+				resp.Message = "User not found"
+			} else {
+				// Add query to update names
+				if rowsAffected, err := u.UserStore.UpdateName(ctx, req.Firstname, req.Lastname, usr); err != nil {
+					statusCode = http.StatusInternalServerError
+					resp.Message = err.Error()
+				} else {
+					log.Println("Rows updated:", rowsAffected)
+					statusCode = http.StatusOK
+					resp.Message = "Successful"
+					resp.Data = append(resp.Data, usr)
+				}
+			}
+		}
+	}
+
+	RespondWithJson(w, statusCode, &resp)
+}