81 lines
2.4 KiB
TypeScript
81 lines
2.4 KiB
TypeScript
import { publicationIssues } from "./publication-preflight";
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import type { ActionResult } from "./safe-action-shared";
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export type ArticleSaveResult = ActionResult<{ redirectTo: string }>;
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export class ArticleInputError extends Error {
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constructor(
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public readonly code:
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| "articleNotFound"
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| "editConflict"
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| "titleRequired"
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| "titleTooLong"
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| "summaryTooLong"
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| "imageTooLong"
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| "invalidStatus"
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| "publishDateRequired"
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| "imageInvalid"
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| "linksInvalid",
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) {
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super(code);
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}
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}
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export function readArticleInput(form: FormData) {
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const text = (key: string) =>
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String(form.get(key) ?? "")
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.normalize("NFC")
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.trim();
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const title = text("title"),
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shortStory = text("shortStory"),
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fullStory = text("fullStory"),
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image = text("image");
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if (!title) throw new ArticleInputError("titleRequired");
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if (title.length > 255) throw new ArticleInputError("titleTooLong");
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if (shortStory.length > 255) throw new ArticleInputError("summaryTooLong");
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if (image.length > 255) throw new ArticleInputError("imageTooLong");
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const status = text("status") || "published";
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if (status !== "published" && status !== "draft" && status !== "scheduled")
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throw new ArticleInputError("invalidStatus");
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const publishAt = status === "scheduled" ? new Date(text("publishAt")) : null;
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if (publishAt && Number.isNaN(publishAt.getTime()))
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throw new ArticleInputError("publishDateRequired");
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if (status !== "draft") {
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const issue = publicationIssues({
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kind: "article",
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image,
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body: fullStory,
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status,
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publishAt,
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}).find((issue) => issue.severity === "error");
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if (issue?.code === "imageInvalid" || issue?.code === "linksInvalid")
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throw new ArticleInputError(issue.code);
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}
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return {
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title,
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shortStory,
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fullStory,
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image,
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status,
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publishAt,
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rawSlug: text("slug"),
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};
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}
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export function articleSlug(value: string | string[]): string {
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return Array.isArray(value) ? value.join("/") : value;
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}
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/** Associate validation failures with the field the editor can correct. */
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export function articleInputField(
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code: ArticleInputError["code"],
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): string | undefined {
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const fields: Partial<Record<ArticleInputError["code"], string>> = {
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titleRequired: "title",
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titleTooLong: "title",
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summaryTooLong: "shortStory",
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imageTooLong: "image",
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imageInvalid: "image",
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linksInvalid: "fullStory",
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invalidStatus: "status",
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publishDateRequired: "publishAt",
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};
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return fields[code];
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}
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