feat : excel in website

lib/guides/extra-sheet.ts

@@ -0,0 +1,160 @@
+import * as z from "zod";
+
+const extraSheetId = z.string().min(1).max(128);
+
+export const extraSheetSchema = z.strictObject({
+  columns: z.array(z.strictObject({
+    id: extraSheetId,
+    label: z.string().trim().min(1).max(120),
+  })).min(1),
+  rows: z.array(z.strictObject({
+    id: extraSheetId,
+    cells: z.record(z.string(), z.string().max(10_000)),
+  })).min(1),
+}).superRefine((sheet, context) => {
+  const columnIds = new Set(sheet.columns.map((column) => column.id));
+  if (columnIds.size !== sheet.columns.length) {
+    context.addIssue({ code: "custom", path: ["columns"], message: "รหัสคอลัมน์ต้องไม่ซ้ำกัน" });
+  }
+  const columnLabels = new Set(sheet.columns.map((column) => column.label.toLocaleLowerCase()));
+  if (columnLabels.size !== sheet.columns.length) {
+    context.addIssue({ code: "custom", path: ["columns"], message: "ชื่อคอลัมน์ต้องไม่ซ้ำกัน" });
+  }
+  const rowIds = new Set(sheet.rows.map((row) => row.id));
+  if (rowIds.size !== sheet.rows.length) {
+    context.addIssue({ code: "custom", path: ["rows"], message: "รหัสแถวต้องไม่ซ้ำกัน" });
+  }
+  sheet.rows.forEach((row, rowIndex) => {
+    Object.keys(row.cells).forEach((columnId) => {
+      if (!columnIds.has(columnId)) {
+        context.addIssue({
+          code: "custom",
+          path: ["rows", rowIndex, "cells", columnId],
+          message: "ไม่พบคอลัมน์ของเซลล์นี้",
+        });
+      }
+    });
+  });
+});
+
+export type ExtraSheet = z.output<typeof extraSheetSchema>;
+
+export type ExtraSheetCell = { value: string };
+export type ExtraSheetMatrix = Array<Array<ExtraSheetCell | undefined>>;
+
+export function nextExtraSheetColumnLabel(columns: ExtraSheet["columns"]): string {
+  const labels = new Set(columns.map((column) => column.label.toLocaleLowerCase()));
+  let index = columns.length + 1;
+  while (labels.has(`คอลัมน์ ${index}`.toLocaleLowerCase())) index += 1;
+  return `คอลัมน์ ${index}`;
+}
+
+export function createExtraSheet(createId: (prefix: string) => string): ExtraSheet {
+  const columns = [1, 2].map((index) => ({
+    id: createId("extra-sheet-column"),
+    label: `คอลัมน์ ${index}`,
+  }));
+  return {
+    columns,
+    rows: [1, 2].map(() => ({
+      id: createId("extra-sheet-row"),
+      cells: Object.fromEntries(columns.map((column) => [column.id, ""])),
+    })),
+  };
+}
+
+export function extraSheetToMatrix(sheet: ExtraSheet): ExtraSheetMatrix {
+  return sheet.rows.map((row) =>
+    sheet.columns.map((column) => ({ value: row.cells[column.id] ?? "" })),
+  );
+}
+
+export function matrixToExtraSheet(
+  sheet: ExtraSheet,
+  matrix: ExtraSheetMatrix,
+  createId: (prefix: string) => string,
+): ExtraSheet {
+  const columnCount = Math.max(
+    sheet.columns.length,
+    ...matrix.map((row) => row.length),
+  );
+  const columns = [...sheet.columns];
+  while (columns.length < columnCount) {
+    columns.push({
+      id: createId("extra-sheet-column"),
+      label: nextExtraSheetColumnLabel(columns),
+    });
+  }
+  const rowCount = Math.max(sheet.rows.length, matrix.length);
+  const rows = Array.from({ length: rowCount }, (_, rowIndex) => ({
+    id: sheet.rows[rowIndex]?.id ?? createId("extra-sheet-row"),
+    cells: Object.fromEntries(columns.map((column, columnIndex) => [
+      column.id,
+      String(matrix[rowIndex]?.[columnIndex]?.value ?? ""),
+    ])),
+  }));
+  return { columns, rows };
+}
+
+export function addExtraSheetColumn(
+  sheet: ExtraSheet,
+  label: string,
+  id: string,
+): ExtraSheet {
+  return {
+    columns: [...sheet.columns, { id, label }],
+    rows: sheet.rows.map((row) => ({ ...row, cells: { ...row.cells, [id]: "" } })),
+  };
+}
+
+export function addExtraSheetRow(sheet: ExtraSheet, id: string): ExtraSheet {
+  return {
+    ...sheet,
+    rows: [...sheet.rows, {
+      id,
+      cells: Object.fromEntries(sheet.columns.map((column) => [column.id, ""])),
+    }],
+  };
+}
+
+export function moveExtraSheetColumn(
+  sheet: ExtraSheet,
+  from: number,
+  to: number,
+): ExtraSheet {
+  if (to < 0 || to >= sheet.columns.length || from === to) return sheet;
+  const columns = [...sheet.columns];
+  const [column] = columns.splice(from, 1);
+  columns.splice(to, 0, column);
+  return { ...sheet, columns };
+}
+
+export function moveExtraSheetRow(
+  sheet: ExtraSheet,
+  from: number,
+  to: number,
+): ExtraSheet {
+  if (to < 0 || to >= sheet.rows.length || from === to) return sheet;
+  const rows = [...sheet.rows];
+  const [row] = rows.splice(from, 1);
+  rows.splice(to, 0, row);
+  return { ...sheet, rows };
+}
+
+export function deleteExtraSheetColumn(sheet: ExtraSheet, index: number): ExtraSheet {
+  if (sheet.columns.length === 1) return sheet;
+  const columnId = sheet.columns[index]?.id;
+  if (!columnId) return sheet;
+  return {
+    columns: sheet.columns.filter((_, columnIndex) => columnIndex !== index),
+    rows: sheet.rows.map((row) => ({
+      ...row,
+      cells: Object.fromEntries(Object.entries(row.cells).filter(([key]) => key !== columnId)),
+    })),
+  };
+}
+
+export function deleteExtraSheetRow(sheet: ExtraSheet, index: number): ExtraSheet {
+  if (sheet.rows.length === 1) return sheet;
+  return { ...sheet, rows: sheet.rows.filter((_, rowIndex) => rowIndex !== index) };
+}