CLI proof of concept

.claspignore

@@ -10,5 +10,4 @@
 .git/**
 node_modules/**
 src/**
-frontend/**
-backend/**
+packages/**

build.sh

@@ -2,24 +2,36 @@
 set -e
 
 echo "Building backend..."
-pushd backend
+pushd packages/backend
 #if node_modules doesn't exist, npm install
 if [ ! -d "node_modules" ]; then
   npm install
 fi
 npm run build
 popd
 echo "Backend built successfully!"
-pushd frontend
+
+pushd packages/frontend
 if [ ! -d "node_modules" ]; then
   npm install
 fi
 npm run build
 popd
 echo "Frontend built successfully!"
-mkdir -p dist
-rm -rf dist/*
-cp backend/dist/* dist/
-cp frontend/dist/* dist/
+
+pushd packages/cli
+if [ ! -d "node_modules" ]; then
+  npm install
+fi
+npm run build
+popd
+echo "CLI built successfully!"
+
+rm -rf packages/cli/dist/google_apps_script/
+mkdir -p packages/cli/dist/google_apps_script/
+
+cp packages/backend/dist/* packages/cli/dist/google_apps_script/
+cp packages/frontend/dist/* packages/cli/dist/google_apps_script/
+mv packages/cli/dist/appsscript.json packages/cli/dist/google_apps_script/
 
 echo "Build complete!"

backend/package.json → packages/backend/package.json

@@ -4,9 +4,7 @@
   "main": "index.js",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
-    "build": "tsc",
-    "push": "clasp push",
-    "deploy": "npm run build && npm run push"
+    "build": "tsc"
   },
   "keywords": [],
   "author": "",

backend/src/app.ts → packages/backend/src/app.ts

@@ -1,23 +1,14 @@
-const CALENDAR = "primary";
-const TIME_ZONE = "America/New_York";
-//  America/Los_Angeles
-//  America/Denver
-//  America/Chicago
-//  Europe/London
-//  Europe/Berlin
-const WORKDAYS = [1, 2, 3, 4, 5];
-const WORKHOURS = {
-  start: 9,
-  end: 13,
+declare function getConfiguration(): {
+  calendar: string;
+  time_zone: string;
+  workdays: [number];
+  workhours: { start: number; end: number };
+  days_in_advance: 28;
+  timeslot_duration: number;
 };
-const DAYS_IN_ADVANCE = 28;
-//high numbered days in advance cause significant loading time slow down
-const TIMESLOT_DURATION = 30;
-
-const TSDURMS = TIMESLOT_DURATION * 60000;
 
 function doGet(): GoogleAppsScript.HTML.HtmlOutput {
-  return HtmlService.createHtmlOutputFromFile("dist/index")
+  return HtmlService.createHtmlOutputFromFile("index")
     .setXFrameOptionsMode(HtmlService.XFrameOptionsMode.ALLOWALL)
     .addMetaTag("viewport", "width=device-width, initial-scale=1");
 }
@@ -26,17 +17,20 @@ function fetchAvailability(): {
   timeslots: string[];
   durationMinutes: number;
 } {
+  const configuration = getConfiguration();
+  const TSDURMS = configuration.timeslot_duration * 60000;
+
   const nearestTimeslot = new Date(
-    Math.floor(new Date().getTime() / TSDURMS) * TSDURMS
+    Math.floor(new Date().getTime() / TSDURMS) * TSDURMS,
   );
-  const calendarId = CALENDAR;
+  const calendarId = configuration.calendar;
   const now = nearestTimeslot;
   const end = new Date(
     Date.UTC(
       now.getUTCFullYear(),
       now.getUTCMonth(),
-      now.getUTCDate() + DAYS_IN_ADVANCE
-    )
+      now.getUTCDate() + configuration.days_in_advance,
+    ),
   );
 
   const response = Calendar.Freebusy!.query({
@@ -61,34 +55,42 @@ function fetchAvailability(): {
     const start = new Date(t);
     const end = new Date(t + TSDURMS);
     const startTZ = new Date(
-      Utilities.formatDate(start, TIME_ZONE, "yyyy-MM-dd'T'HH:mm:ss")
+      Utilities.formatDate(
+        start,
+        configuration.time_zone,
+        "yyyy-MM-dd'T'HH:mm:ss",
+      ),
     );
-    if (startTZ.getHours() < WORKHOURS.start) continue;
-    if (startTZ.getHours() >= WORKHOURS.end) continue;
-    if (WORKDAYS.indexOf(startTZ.getDay()) < 0) continue;
+    if (startTZ.getHours() < configuration.workhours.start) continue;
+    if (startTZ.getHours() >= configuration.workhours.end) continue;
+    if (configuration.workdays.indexOf(startTZ.getDay()) < 0) continue;
     if (events.some((event) => event.start < end && event.end > start)) {
       continue;
     }
     timeslots.push(start.toISOString());
   }
-  return { timeslots, durationMinutes: TIMESLOT_DURATION };
+  return { timeslots, durationMinutes: configuration.timeslot_duration };
 }
 
 function bookTimeslot(
   timeslot: string,
   name: string,
   email: string,
   phone: string,
-  note: string
+  note: string,
 ): string {
+  const configuration = getConfiguration();
+
   Logger.log(`Booking timeslot: ${timeslot} for ${name}`);
-  const calendarId = CALENDAR;
+  const calendarId = configuration.calendar;
   const startTime = new Date(timeslot);
   if (isNaN(startTime.getTime())) {
     throw new Error("Invalid start time");
   }
   const endTime = new Date(startTime.getTime());
-  endTime.setUTCMinutes(startTime.getUTCMinutes() + TIMESLOT_DURATION);
+  endTime.setUTCMinutes(
+    startTime.getUTCMinutes() + configuration.timeslot_duration,
+  );
 
   Logger.log(`Timeslot start: ${startTime}, end: ${endTime}`);
 
@@ -120,7 +122,7 @@ function bookTimeslot(
         guests: email,
         sendInvites: true,
         status: "confirmed",
-      }
+      },
     );
     Logger.log(`Event created: ${event.getId()}`);
     return `Timeslot booked successfully`;