57 lines
2.4 KiB
TypeScript
57 lines
2.4 KiB
TypeScript
// The mail of the contact form (components/ContactForm.vue → POST /api/contact). The mail service (libreshop/mail src/app.py)
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// sends it from POST /v1/send/message, whose JSON body is { to_email, subject, message, html? }. It sets no Reply-To, so the
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// sender's address is in the text. Pure: no Nuxt, Nitro or h3 imports, tested in tests/unit/contactMail.test.ts.
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export const CONTACT_RECIPIENT = "paperwork@muellerprints.de";
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export const MAIL_SEND_PATH = "/v1/send/message";
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/** The body of POST /v1/send/message. */
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export type ContactMail = { to_email: string; subject: string; message: string };
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/** The mail to send, or the German message of the 400 for the form. */
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export type ContactMailResult = { ok: true; mail: ContactMail } | { ok: false; message: string };
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const EMAIL = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
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const isObject = (value: unknown): value is Record<string, unknown> => typeof value === "object" && value !== null && !Array.isArray(value);
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const isFilled = (value: unknown): value is string => typeof value === "string" && value.trim() !== "";
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// A line break in the subject would end its header and start another one.
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const oneLine = (text: string): string => text.replace(/[\r\n]+/g, " ").trim();
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/** The URL of the mail service's send endpoint, from its base URL (runtimeConfig.mailApiUrl). */
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export const mailSendUrl = (mailApiUrl: string): string => `${mailApiUrl.replace(/\/+$/, "")}${MAIL_SEND_PATH}`;
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/** Checks the form's body { name, email, subject?, message } and builds the mail to the shop. */
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export const contactMail = (body: unknown): ContactMailResult => {
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const fields: Record<string, unknown> = isObject(body) ? body : {};
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const { name, email, subject, message } = fields;
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if (!isFilled(name) || !isFilled(email) || !isFilled(message)) {
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return { ok: false, message: "Name, E-Mail und Nachricht sind erforderlich" };
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}
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if (!EMAIL.test(email)) {
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return { ok: false, message: "Ungültige E-Mail-Adresse" };
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}
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const topic = typeof subject === "string" ? oneLine(subject) : "";
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return {
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ok: true,
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mail: {
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to_email: CONTACT_RECIPIENT,
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subject: `Kontaktanfrage: ${topic || "Anfrage über Website"}`,
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message: [
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`Name: ${name}`,
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`E-Mail: ${email}`,
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`Betreff: ${topic || "Kontaktanfrage über Website"}`,
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"",
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"Nachricht:",
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message,
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"",
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"---",
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"Diese Nachricht wurde über das Kontaktformular auf muellerprints.de gesendet."
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].join("\n")
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}
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};
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};
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