jimmy
509e7ccb43
Single-page site with gallery by album and event, contact form over SMTP, Docker dev/prod setup, and on-server image derivatives. Gallery photos stay local (app/images/ is gitignored). Co-authored-by: Cursor <cursoragent@cursor.com>
66 lines
1.5 KiB
Go
66 lines
1.5 KiB
Go
package contact
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import (
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"net/mail"
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"strings"
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"unicode/utf8"
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)
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const (
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maxNameLen = 120
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maxEmailLen = 254
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maxMessageLen = 8000
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minMessageLen = 10
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)
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// Submission is validated contact form input.
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type Submission struct {
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Name string
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Email string
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Message string
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}
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// Errors maps field names to user-facing messages.
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type Errors map[string]string
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func (e Errors) Any() bool {
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return len(e) > 0
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}
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// Parse reads and validates a contact form POST.
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func Parse(name, email, message string) (Submission, Errors) {
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errs := make(Errors)
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name = strings.TrimSpace(name)
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email = strings.TrimSpace(email)
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message = strings.TrimSpace(message)
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if name == "" {
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errs["name"] = "Name is required."
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} else if utf8.RuneCountInString(name) > maxNameLen {
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errs["name"] = "Name is too long."
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}
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if email == "" {
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errs["email"] = "Email is required."
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} else if utf8.RuneCountInString(email) > maxEmailLen {
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errs["email"] = "Email is too long."
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} else if _, err := mail.ParseAddress(email); err != nil {
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errs["email"] = "Enter a valid email address."
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}
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if message == "" {
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errs["message"] = "Message is required."
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} else if utf8.RuneCountInString(message) < minMessageLen {
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errs["message"] = "Message must be at least 10 characters."
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} else if utf8.RuneCountInString(message) > maxMessageLen {
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errs["message"] = "Message is too long."
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}
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if errs.Any() {
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return Submission{}, errs
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}
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return Submission{Name: name, Email: email, Message: message}, nil
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}
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