86 lines
2.5 KiB
Go
86 lines
2.5 KiB
Go
package main
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import (
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"errors"
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"net/http"
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"greenlight.debuggingjon.dev/internal/data"
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"greenlight.debuggingjon.dev/internal/validator"
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)
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func (app *application) registerUserHandler(w http.ResponseWriter, r *http.Request) {
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// Create an anonymous struct to hold the expected data from the request body.
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var input struct {
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Name string `json:"name"`
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Email string `json:"email"`
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Password string `json:"password"`
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}
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// Parse the request body into the anonymous struct.
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err := app.readJSON(w, r, &input)
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if err != nil {
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app.badRequestResponse(w, r, err)
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return
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}
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// Copy the data from the request body into a new User struct. Notice also that we
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// set the Activated field to false, which isn't strictly necessary because the
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// Activated field will have the zero-value of false by default. But setting this
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// explicitly helps to make our intentions clear to anyone reading the code.
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user := &data.User{
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Name: input.Name,
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Email: input.Email,
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Activated: false,
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}
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// Use the Password.Set() method to generate and store the hashed and plaintext
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// passwords.
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err = user.Password.Set(input.Password)
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if err != nil {
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app.serverErrorResponse(w, r, err)
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return
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}
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v := validator.New()
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// Validate the user struct and return the error messages to the client if any of
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// the checks fail.
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if data.ValidateUser(v, user); !v.Valid() {
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app.failedValidationResponse(w, r, v.Errors)
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return
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}
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// Insert the user data into the database.
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err = app.models.Users.Insert(user)
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if err != nil {
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switch {
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// If we get a ErrDuplicateEmail error, use the v.AddError() method to manually
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// add a message to the validator instance, and then call our
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// failedValidationResponse() helper.
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case errors.Is(err, data.ErrDuplicateEmail):
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v.AddError("email", "a user with this email address already exists")
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app.failedValidationResponse(w, r, v.Errors)
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default:
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app.serverErrorResponse(w, r, err)
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}
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return
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}
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// Use the background helper to execute an anonymous function that sends the welcome
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// email.
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app.background(func() {
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err = app.mailer.Send(user.Email, "user_welcome.tmpl", user)
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if err != nil {
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app.logger.PrintError(err, nil)
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}
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})
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// Note that we also change this to send the client a 202 Accepted status code.
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// This status code indicates that the request has been accepted for processing, but
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// the processing has not been completed.
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err = app.writeJSON(w, http.StatusAccepted, envelope{"user": user}, nil)
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if err != nil {
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app.serverErrorResponse(w, r, err)
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}
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}
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