refac: separated api content into sub-packages & renamed usecases

api/controllers/pages/register.go

@@ -0,0 +1,107 @@
+package pages
+
+import (
+	"GoCMS/api"
+	"GoCMS/api/controllers/auth"
+	"net/http"
+	"os"
+
+	"github.com/google/uuid"
+)
+
+type RegisterPageError struct {
+	Email    bool `json:"email"`
+	Password bool `json:"password"`
+	Username bool `json:"username"`
+}
+
+type RegisterPage struct {
+	PageError *RegisterPageError `json:"error"`
+	Username  string             `json:"username"`
+	Email     string             `json:"email"`
+}
+
+var EmptyRegisterPage = &RegisterPage{
+	PageError: &RegisterPageError{
+		Email:    false,
+		Password: false,
+		Username: false,
+	},
+	Username: "",
+	Email:    "",
+}
+
+func GetRegisterPageHandler(registerPage *RegisterPage) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		if !auth.IsLoggedIn(r) && auth.SomeUsersVerified() {
+			http.Redirect(w, r, "/login?failure=There is already a verified account, please login.", http.StatusSeeOther)
+		}
+		if (auth.IsLoggedIn(r) && auth.IsVerified(r)) || auth.SomeUsersVerified() {
+			http.Redirect(w, r, "/home", http.StatusSeeOther)
+			return
+		}
+		if r.Method == http.MethodPost {
+			PostRegisterPage(w, r)
+			return
+		}
+		bs, err := api.Container.GetPageUseCase.GetPage("register", map[string]interface{}{
+			"PageError": registerPage.PageError,
+			"Username":  registerPage.Username,
+			"Email":     registerPage.Email,
+			"Head":      headTmpl,
+		})
+		if err != nil {
+			_, _ = w.Write([]byte(err.Error()))
+		}
+		_, _ = w.Write(bs)
+	}
+}
+
+func PostRegisterPage(w http.ResponseWriter, r *http.Request) {
+	_ = r.ParseForm()
+
+	credentials := auth.RegisterCredentials{
+		Username: r.FormValue("username"),
+		Password: r.FormValue("password"),
+		Email:    r.FormValue("email"),
+	}
+	err := api.Validate.Struct(credentials)
+	if err != nil {
+		r.Method = http.MethodGet
+		GetRegisterPageHandler(&RegisterPage{
+			PageError: &RegisterPageError{
+				Email:    true,
+				Password: true,
+				Username: true,
+			},
+			Username: r.FormValue("username"),
+			Email:    r.FormValue("email"),
+		})(w, r)
+		return
+	}
+
+	verificationCode := uuid.NewString()
+	createdUser, err := auth.GetNewUser(credentials, verificationCode)
+	if err != nil {
+		r.Method = http.MethodGet
+		GetRegisterPageHandler(&RegisterPage{
+			PageError: &RegisterPageError{
+				Email:    true,
+				Password: false,
+				Username: false,
+			},
+			Username: r.FormValue("username"),
+			Email:    r.FormValue("email"),
+		})(w, r)
+		return
+	}
+
+	_ = api.Container.SendMailUseCase.SendMail(createdUser.Email, "mailValidation", map[string]string{
+		"Host":             os.Getenv("HOST"),
+		"VerificationCode": verificationCode,
+	})
+
+	_ = auth.SetJwtCookie(&w, createdUser.ID)
+
+	http.Redirect(w, r, "/register/pending", http.StatusSeeOther)
+}