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Read excel file in main process, manipulate in renderer
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| import Excel from 'exceljs'; | ||
| import { Sheet } from "@/model/schedule-sheet"; | ||
| import _ from "lodash" | ||
| import { CountStartingTimes } from "@/model/aggregates" | ||
|
|
||
| type BindingMap = Map<string, (...args: any[]) => Excel.CellValue> | ||
|
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| export async function bufferToWorkbook(buffer: Excel.Buffer) { | ||
| return await new Excel.Workbook().xlsx.load(buffer) | ||
| } | ||
|
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| export default async function replaceTemplate(template: Excel.Worksheet, sheet: Sheet) { | ||
| let bindings: BindingMap = new Map<string, (...args: any[]) => Excel.CellValue>([ | ||
| ["year", () => sheet.year], | ||
| ["month", () => sheet.month], | ||
| ["startDate", () => { | ||
| return new Date(sheet.year, sheet.month, 1) | ||
| }], | ||
| ["startsAt", (cell: Excel.Cell, hour: number) => { | ||
| let day = Number(cell.col) - 2; // Assuming days start at column B | ||
| return CountStartingTimes(sheet).get(hour)?.[day] ?? 0 | ||
| }] | ||
| ]) | ||
|
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| template.eachRow({ includeEmpty: true }, (row, i) => { | ||
| row.eachCell({ includeEmpty: true }, (current, j) => { | ||
| current.value = replaceTemplateCell(current, bindings); | ||
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| // In the template the fomula's result is an error so the output file will be broken without this | ||
| if (current.formula) | ||
| current.value = ({ formula: current.formula, result: 0 } as Excel.CellFormulaValue) | ||
| }); | ||
| }) | ||
| } | ||
|
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| let reg = /(?<=\$)\{.*?\}/g; | ||
|
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| function replaceTemplateCell(cell: Excel.Cell, bindings: BindingMap) { | ||
| if (!cell.value || typeof cell.value !== "string") return cell.value; | ||
|
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| let matches = Array.from(cell.value.matchAll(reg)).flat(); | ||
| let result: Excel.CellValue = cell.value; | ||
|
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| for (const match of matches) { | ||
| let obj: { [key: string]: any[] } = JSON.parse(jsonify(match)); | ||
| if (!obj) { | ||
| console.error(`Couldn't parse ${match}`); | ||
| continue; | ||
| } | ||
| for (const key in obj) { | ||
| let func = bindings.get(key); | ||
| if (func) { | ||
| let retVal = func(cell, ...obj[key]); | ||
| if (retVal == null) retVal = "" | ||
|
|
||
| // If the template is the only thing in the string keep the return type | ||
| if (cell.value.length === match.length + 1) | ||
| result = retVal; | ||
| // If there are other things convert it to a string | ||
| else | ||
| result = result!.toString().replace(`$${match}`, retVal.toString()) | ||
| } | ||
| } | ||
| } | ||
|
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| return result | ||
| } | ||
|
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| // Corrects the incoming string so that it can be parsed by JSON | ||
| function jsonify(str: string) { | ||
| if (!str) return "{}"; | ||
|
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| // Trim leading and trailing curly braces | ||
| str = str.replace(/^\{?|\}?$/g, ""); | ||
|
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| let [key, value] = str.split(/\:(.+)/gs).map(x => x.trim()); | ||
| if (!key) return "{}"; | ||
| // Trim leading and trailing quotation marks | ||
| key = key.replace(/^[\"\']?|[\"\']?$/gm, ""); | ||
| // Trim leading and trailing square brackets | ||
| value = value?.replace(/^\[?|\]?$/gm, "") | ||
|
|
||
| if (value) return `{"${key}": [${value}]}`; | ||
| else return `{"${key}": []}`; | ||
| } |
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