From 2725e84e199e1d0b5e6ce01e405c035481e49c0d Mon Sep 17 00:00:00 2001
From: Jan Tuomi <jan.tuomi@valuemotive.com>
Date: Sun, 18 Apr 2021 21:38:06 +0300
Subject: WIP sheets api

---
 src/sheets.ts | 96 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 94 insertions(+), 2 deletions(-)

(limited to 'src/sheets.ts')

diff --git a/src/sheets.ts b/src/sheets.ts
index a03e349..8f6c81c 100644
--- a/src/sheets.ts
+++ b/src/sheets.ts
@@ -1,3 +1,95 @@
-export const broadcast = async (): Promise<void> => {
-  // TODO
+import got from "got";
+import { google } from "googleapis";
+import config from "./config";
+
+export const fetchIdToken = async function (aud: string): Promise<string> {
+  const metadataServerTokenURL = `http://metadata/computeMetadata/v1/instance/service-accounts/default/identity?audience=${aud}`;
+
+  let resp;
+  try {
+    resp = await got(metadataServerTokenURL, {
+      headers: {
+        "Metadata-Flavor": "Google",
+      },
+    });
+  } catch (err) {
+    console.error(err);
+    throw new Error("Failed to fetch ID token from Google metadata endpoint");
+  }
+
+  const token = resp.body;
+  if (!token) {
+    throw new Error("ID token from Google metadata endpoint is empty");
+  }
+
+  return token;
 };
+
+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",
+    ],
+  });
+
+  // Acquire an auth client, and bind it to all future calls
+  const authClient = await auth.getClient();
+  google.options({ auth: authClient });
+
+  const fetchSheetData = async (): Promise<void> => {
+    // TODO
+    try {
+      const sheets = google.sheets({ version: "v4" });
+      const res = await sheets.spreadsheets.values.get({
+        spreadsheetId: config.sheetsSpreadsheetId,
+        range: config.sheetsRange,
+      });
+
+      console.log("res", res);
+    } catch (err) {
+      console.error(err);
+      throw err;
+    }
+  };
+
+  return {
+    fetchSheetData,
+  };
+};
+
+
+/*
+def fetch_sheet_data(service: Resource) -> list[SheetsRow]:
+    logging.info("Calling Sheets API to fetch data...")
+    sheet = service.spreadsheets()
+    result = (
+        sheet.values()
+        .get(
+            spreadsheetId=getenv("SHEETS_SPREADSHEET_ID"),
+            range=getenv("SHEETS_RANGE"),
+        )
+        .execute()
+    )
+
+    rows = result.get("values", [])
+    logging.info(f"Fetched {len(rows)} rows of data")
+    return [_row_to_dataclass(row) for row in rows]
+
+
+def update_sheet_last_done_column(service: Resource, new_datestamps: list[str]):
+    logging.info("Calling Sheets API to update last done column...")
+    range = getenv("SHEETS_RANGE")
+    sheet = service.spreadsheets()
+    last_done_column_range = _get_rightmost_column_in_range(range)
+
+    body = {"values": [[datestamp] for datestamp in new_datestamps]}
+
+    sheet.values().update(
+        spreadsheetId=getenv("SHEETS_SPREADSHEET_ID"),
+        range=last_done_column_range,
+        valueInputOption="RAW",
+        body=body,
+    ).execute()
+*/
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