個別配慮

src/utils.js

@@ -192,7 +192,7 @@ function hideSpaceField(ids) {
   });
 }
 
-function getExcelName({ excelName }, nameSuffix = '', suffix = '.xlsx') {
+function getExcelName(excelName, nameSuffix = '', suffix = '.xlsx') {
   return excelName + (nameSuffix ? (nameSuffix.startsWith('_') ? nameSuffix : ('_' + nameSuffix)) : '') + suffix;
 }
 
@@ -353,4 +353,86 @@ function createDialogEl({ ok, cancel, onOk, onCancel, onClose, ...options }) {
       onClose(dialogEl.dataHolder, event);
     });
   }
-}
+}
+
+async function createExcelAndDownload({ bizLogic, api, excelName, exportName }) {
+  const arrayBuffer = await getTemplateBuffer(api, excelName);
+  if (!arrayBuffer) {
+    // エラー
+    return;
+  }
+
+  const workbook = new ExcelJS.Workbook();
+  await workbook.xlsx.load(arrayBuffer);
+
+  const worksheet = workbook.getWorksheet();
+  try {
+    await bizLogic(api, worksheet);
+  } catch (e) {
+    showError(true, '帳票出力エラー\n - ' + e);
+    return;
+  }
+  const buffer = await workbook.xlsx.writeBuffer();
+
+  saveFile(buffer, exportName);
+}
+
+function saveFile(buffer, fileName) {
+  const blob = new Blob([buffer], {
+    type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'
+  });
+  saveAs(blob, fileName);
+}
+
+async function getTemplateBuffer(api, excelName) {
+  try {
+    const templateObj = await api.record.getAllRecordsWithId({
+      app: env["Excelテンプレート"].appId,
+      condition: `テンプレート名 = "${excelName}"`
+    });
+    const fileKey = templateObj[0]["テンプレートファイル"].value[0].fileKey;
+    return await api.file.downloadFile({
+      fileKey
+    });
+  } catch (e) {
+    showError(true, '本アプリのExcelテンプレート読み取りエラー\n - ' + e);
+  }
+}
+
+function findCellsInfo(worksheet, ids) {
+  const result = ids.reduce((acc, key) => {
+    acc[key] = [];
+    return acc;
+  }, {});
+
+  let lastColVal;
+  worksheet.eachRow((row, rowNumber) => {
+    row.eachCell((cell, colNumber) => {
+      const value = cell.value;
+      if (value !== lastColVal && result[value]) {
+        result[value].push({
+          row: rowNumber,
+          col: colNumber,
+          value
+        });
+      }
+      lastColVal = value;
+    });
+  });
+
+  return result;
+}
+
+function getLabelColsMapping(worksheet, row, fields) {
+  const arr = worksheet.getRow(row).values;
+  const changedIndices = [];
+  for (let i = 1; i < arr.length; i++) {
+    if (arr[i] !== arr[i - 1]) {
+      changedIndices.push({
+        index: i,
+        field: fields[changedIndices.length]
+      });
+    }
+  }
+  return changedIndices;
+}