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import { google } from "googleapis";
import { add, set, Duration, parse, format, getDay, subDays, addDays } from "date-fns";
import config from "./config";
interface SheetsRawEntry {
intervalStr: string;
name: string;
lastDoneDateStr: string;
}
interface SheetsProcessedEntry {
name: string;
nextDateStamp: string;
nextDate: Date;
lastDateStamp: string;
lastDate?: Date;
interval: string;
}
const INTERVAL_ABBREVS = {
pv: 1,
vk: 7,
kk: 30,
v: 365,
} as const;
type IntervalAbbrevKey = keyof typeof INTERVAL_ABBREVS;
const strToDate = (s: string) => parse(s, "yyyy-MM-dd", new Date());
const dateToStr = (d: Date) => format(d, "yyyy-MM-dd");
const calculateDuration = (intervalStr: string) => {
const match = /(\d+)(\w+)/.exec(intervalStr);
if (!match) {
throw new Error("Given interval string does not match regular expression");
}
const number = Number.parseInt(match[1]);
const abbrev = match[2];
if (number <= 0) {
throw new Error(`"${number}" is an invalid interval number`);
}
if (!Object.keys(INTERVAL_ABBREVS).includes(abbrev)) {
throw new Error(`"${abbrev}" is an invalid interval string`);
}
const days = INTERVAL_ABBREVS[abbrev as IntervalAbbrevKey];
const totalDuration: Duration = {
days: number * days,
};
return totalDuration;
};
const processRow = (row: SheetsRawEntry) => {
const duration = calculateDuration(row.intervalStr);
const calcValues = () => {
if (row.lastDoneDateStr) {
const lastDate = strToDate(row.lastDoneDateStr);
const nextDate = add(lastDate, duration);
const nextDateStamp = dateToStr(nextDate);
return { lastDate, nextDate, nextDateStamp };
} else {
const lastDate = undefined;
const nextDate = new Date();
const nextDateStamp = dateToStr(nextDate);
return { lastDate, nextDate, nextDateStamp };
}
};
const processedEntry: SheetsProcessedEntry = {
...calcValues(),
name: row.name,
lastDateStamp: row.lastDoneDateStr,
interval: row.intervalStr,
};
return processedEntry;
};
const isThisWeek = (entry: SheetsProcessedEntry): boolean => {
const nextDate = entry.nextDate;
const currentDateTime = new Date();
const today = set(currentDateTime, { hours: 0, minutes: 0, seconds: 0, milliseconds: 0 });
const dayOfWeek = (getDay(today) + 7 - 1) % 7; // getDay returns sunday = 0
const currentWeekStart = subDays(today, dayOfWeek);
const currentWeekEnd = addDays(currentWeekStart, 7);
return nextDate >= currentWeekStart && nextDate < currentWeekEnd;
};
// eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types
export const buildSheetsClient = async () => {
const auth = new google.auth.GoogleAuth({
// Scopes can be specified either as an array or as a single, space-delimited string.
scopes: [
"https://www.googleapis.com/auth/spreadsheets",
"https://www.googleapis.com/auth/spreadsheets.readonly",
],
keyFile: config.googleSaJsonPath,
});
// Acquire an auth client, and bind it to all future calls
const authClient = await auth.getClient();
google.options({ auth: authClient });
const sheets = google.sheets({ version: "v4" });
const fetchSheetData = async (): Promise<SheetsRawEntry[]> => {
try {
const res = await sheets.spreadsheets.values.get({
spreadsheetId: config.sheetsSpreadsheetId,
range: config.sheetsRange,
});
const entriesAsLists = res.data.values || [];
const rawEntries: SheetsRawEntry[] = entriesAsLists.map(row => ({
intervalStr: row[0],
name: row[1],
lastDoneDateStr: row[2],
}));
console.log(`Fetched ${rawEntries.length} rows from Sheets.`);
return rawEntries;
} catch (err) {
console.error(err);
throw err;
}
};
const getRightmostColumnInRange = (range: string): string => {
const match = /(.+!)?([A-Z]+?)(\d+):([A-Z]+?)(\d+)/.exec(range);
if (!match) {
throw new Error("Given range does not match regular expression");
}
const sheetName = match[1];
const topLeftRow = Number.parseInt(match[3]);
const bottomRightCol = match[4];
const bottomRightRow = Number.parseInt(match[5]);
const rmCol = bottomRightCol;
const rmRowStart = topLeftRow;
const rmRowEnd = bottomRightRow;
return `${sheetName}${rmCol}${rmRowStart}:${rmCol}${rmRowEnd}`;
};
const updateSheetLastDoneColumn = async (newDateStamps: string[]) => {
const lastDoneColumnRange = getRightmostColumnInRange(config.sheetsRange);
const body = {
values: newDateStamps.map(nds => [nds]),
};
await sheets.spreadsheets.values.update({
spreadsheetId: config.sheetsSpreadsheetId,
range: lastDoneColumnRange,
valueInputOption: "RAW",
requestBody: body,
});
};
const processRows = (rows: SheetsRawEntry[]) => rows.map(processRow);
const filterOnlyThisWeek = (entries: SheetsProcessedEntry[]): SheetsProcessedEntry[] => entries.filter(isThisWeek);
const updatedLastDoneDateStamps = (entries: SheetsProcessedEntry[]): string[] =>
entries.map(e => isThisWeek(e) ? e.nextDateStamp : e.lastDateStamp);
return {
fetchSheetData,
getRightmostColumnInRange,
updateSheetLastDoneColumn,
processRows,
filterOnlyThisWeek,
updatedLastDoneDateStamps,
};
};
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