46 lines
1.4 KiB
TypeScript
46 lines
1.4 KiB
TypeScript
/**
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* Turns the rows the category service reads from `categories` into the {@link
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* Category} the category routes send.
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*
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* @module
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*/
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import type { SQLOutputValue } from "node:sqlite";
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import type { Category } from "../../shared/category.ts";
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/** Returned by the category service's `SELECT`s on `categories`. */
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export interface CategoryRow {
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id: string;
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slug: string;
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name: string;
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/** Sorts the categories, lowest first. */
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position: number;
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created_at: string;
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updated_at: string | null;
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[key: string]: SQLOutputValue;
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}
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/** Checks whether a row `node:sqlite` returned is a {@link CategoryRow}. */
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export function isCategoryRow(obj: unknown): obj is CategoryRow {
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return !!obj && typeof obj === "object" &&
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"id" in obj && typeof obj.id === "string" &&
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"slug" in obj && typeof obj.slug === "string" &&
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"name" in obj && typeof obj.name === "string" &&
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"position" in obj && typeof obj.position === "number" &&
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"created_at" in obj && typeof obj.created_at === "string" &&
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"updated_at" in obj &&
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(typeof obj.updated_at === "string" || obj.updated_at === null);
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}
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/** Converts `row` to the {@link Category} the category routes send. */
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export function categoryRowToApi(row: CategoryRow): Category {
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return {
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id: row.id,
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slug: row.slug,
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name: row.name,
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position: row.position,
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createdAt: new Date(row.created_at),
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updatedAt: row.updated_at ? new Date(row.updated_at) : undefined,
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};
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}
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