golang-server-template/cmd/api/users.go
2024-07-08 17:36:56 +08:00

123 lines
2.9 KiB
Go

package main
import (
"errors"
"net/http"
"time"
"greenlight.alexedwards.net/internal/data"
"greenlight.alexedwards.net/internal/validator"
)
func (app *application) registerUserHandler(w http.ResponseWriter, r *http.Request) {
var input struct {
Name string `json:"name"`
Email string `json:"email"`
Password string `json:"password"`
}
err := app.readJSON(w, r, &input)
if err != nil {
app.badRequestResponse(w, r, err)
return
}
user := &data.User{
Name: input.Name,
Email: input.Email,
Activated: false,
}
err = user.Password.Set(input.Password)
if err != nil {
app.serverErrorResponse(w, r, err)
return
}
v := validator.New()
if data.ValidateUser(v, user); !v.Valid() {
app.failedValidationResponse(w, r, v.Errors)
return
}
err = app.models.Users.Insert(user)
if err != nil {
switch {
case errors.Is(err, data.ErrDuplicateEmail):
v.AddError("email", "a user with this email address already exists")
app.failedValidationResponse(w, r, v.Errors)
default:
app.serverErrorResponse(w, r, err)
}
return
}
err = app.models.Permissions.AddForUser(user.ID, "movies:read")
if err != nil {
app.serverErrorResponse(w, r, err)
return
}
token, err := app.models.Tokens.New(user.ID, 3*24*time.Hour, data.ScopeActivation)
if err != nil {
app.serverErrorResponse(w, r, err)
return
}
app.background(func() {
data := map[string]any{
"activationToken": token.Plaintext,
"userID": user.ID,
}
err := app.mailer.Send(user.Email, "user_welcome.tmpl", data)
if err != nil {
app.logger.PrintError(err, nil)
}
})
err = app.writeJSON(w, http.StatusCreated, envelope{"user": user}, nil)
if err != nil {
app.serverErrorResponse(w, r, err)
}
}
func (app *application) activateUserHandler(w http.ResponseWriter, r *http.Request) {
var input struct {
TokenPlaintext string `json:"token"`
}
err := app.readJSON(w, r, &input)
if err != nil {
app.badRequestResponse(w, r, err)
return
}
v := validator.New()
if data.ValidateTokenPlaintext(v, input.TokenPlaintext); !v.Valid() {
app.failedValidationResponse(w, r, v.Errors)
return
}
user, err := app.models.Users.GetForToken(data.ScopeActivation, input.TokenPlaintext)
if err != nil {
switch {
case errors.Is(err, data.ErrRecordNotFound):
v.AddError("token", "invalid or expired activation token")
app.failedValidationResponse(w, r, v.Errors)
default:
app.serverErrorResponse(w, r, err)
}
return
}
user.Activated = true
err = app.models.Users.Update(user)
if err != nil {
switch {
case errors.Is(err, data.ErrEditConflict):
app.editConflictResponse(w, r)
default:
app.serverErrorResponse(w, r, err)
}
return
}
err = app.models.Tokens.DeleteAllForUser(data.ScopeActivation, user.ID)
if err != nil {
app.serverErrorResponse(w, r, err)
return
}
err = app.writeJSON(w, http.StatusOK, envelope{"user": user}, nil)
if err != nil {
app.serverErrorResponse(w, r, err)
}
}