From f4888ec4b2862cdf890ac1b0f6670b41398266df Mon Sep 17 00:00:00 2001
From: Sam Wilkins <samwilkins333@gmail.com>
Date: Wed, 21 Aug 2019 20:01:35 -0400
Subject: can create google slides presentations

---
 src/server/apis/google/GoogleApiServerUtils.ts | 65 +++++++++++++++++---------
 src/server/index.ts                            | 19 ++++----
 2 files changed, 52 insertions(+), 32 deletions(-)

(limited to 'src/server')

diff --git a/src/server/apis/google/GoogleApiServerUtils.ts b/src/server/apis/google/GoogleApiServerUtils.ts
index 817b2b696..ff027c501 100644
--- a/src/server/apis/google/GoogleApiServerUtils.ts
+++ b/src/server/apis/google/GoogleApiServerUtils.ts
@@ -1,7 +1,10 @@
-import { google, docs_v1 } from "googleapis";
+import { google, docs_v1, slides_v1 } from "googleapis";
 import { createInterface } from "readline";
 import { readFile, writeFile } from "fs";
 import { OAuth2Client } from "google-auth-library";
+import { Opt } from "../../../new_fields/Doc";
+import { GlobalOptions } from "googleapis-common";
+import { GaxiosResponse } from "gaxios";
 
 /**
  * Server side authentication for Google Api queries.
@@ -13,38 +16,57 @@ export namespace GoogleApiServerUtils {
     const SCOPES = [
         'documents.readonly',
         'documents',
+        'presentations',
+        'presentations.readonly',
         'drive',
         'drive.file',
     ];
-    // The file token.json stores the user's access and refresh tokens, and is
-    // created automatically when the authorization flow completes for the first
-    // time.
+
     export const parseBuffer = (data: Buffer) => JSON.parse(data.toString());
 
-    export namespace Docs {
+    export enum Sector {
+        Documents = "Documents",
+        Slides = "Slides"
+    }
+
 
-        export interface CredentialPaths {
-            credentials: string;
-            token: string;
-        }
+    export interface CredentialPaths {
+        credentials: string;
+        token: string;
+    }
 
-        export type Endpoint = docs_v1.Docs;
+    export type ApiResponse = Promise<GaxiosResponse>;
+    export type ApiRouter = (endpoint: Endpoint, paramters: any) => ApiResponse;
+    export type ApiHandler = (parameters: any) => ApiResponse;
+    export type Action = "create" | "retrieve" | "update";
 
-        export const GetEndpoint = async (paths: CredentialPaths) => {
-            return new Promise<Endpoint>((resolve, reject) => {
-                readFile(paths.credentials, (err, credentials) => {
-                    if (err) {
-                        reject(err);
-                        return console.log('Error loading client secret file:', err);
+    export type Endpoint = { get: ApiHandler, create: ApiHandler, batchUpdate: ApiHandler };
+    export type EndpointParameters = GlobalOptions & { version: "v1" };
+
+    export const GetEndpoint = async (sector: string, paths: CredentialPaths) => {
+        return new Promise<Opt<Endpoint>>((resolve, reject) => {
+            readFile(paths.credentials, (err, credentials) => {
+                if (err) {
+                    reject(err);
+                    return console.log('Error loading client secret file:', err);
+                }
+                return authorize(parseBuffer(credentials), paths.token).then(auth => {
+                    let routed: Opt<Endpoint>;
+                    let parameters: EndpointParameters = { auth, version: "v1" };
+                    switch (sector) {
+                        case Sector.Documents:
+                            routed = google.docs(parameters).documents;
+                            break;
+                        case Sector.Slides:
+                            routed = google.slides(parameters).presentations;
+                            break;
                     }
-                    return authorize(parseBuffer(credentials), paths.token).then(auth => {
-                        resolve(google.docs({ version: "v1", auth }));
-                    });
+                    resolve(routed);
                 });
             });
-        };
+        });
+    };
 
-    }
 
     /**
      * Create an OAuth2 client with the given credentials, and returns the promise resolving to the authenticated client
@@ -105,5 +127,4 @@ export namespace GoogleApiServerUtils {
             });
         });
     }
-
 }
\ No newline at end of file
diff --git a/src/server/index.ts b/src/server/index.ts
index ef1829f30..6aecb875a 100644
--- a/src/server/index.ts
+++ b/src/server/index.ts
@@ -45,6 +45,7 @@ import { GoogleApiServerUtils } from "./apis/google/GoogleApiServerUtils";
 import { GaxiosResponse } from 'gaxios';
 import { Opt } from '../new_fields/Doc';
 import { docs_v1 } from 'googleapis';
+import { Endpoint } from 'googleapis-common';
 const MongoStore = require('connect-mongo')(session);
 const mongoose = require('mongoose');
 const probe = require("probe-image-size");
@@ -799,21 +800,19 @@ function HandleYoutubeQuery([query, callback]: [YoutubeQueryInput, (result?: any
 const credentials = path.join(__dirname, "./credentials/google_docs_credentials.json");
 const token = path.join(__dirname, "./credentials/google_docs_token.json");
 
-type ApiResponse = Promise<GaxiosResponse>;
-type ApiHandler = (endpoint: docs_v1.Resource$Documents, parameters: any) => ApiResponse;
-type Action = "create" | "retrieve" | "update";
-
-const EndpointHandlerMap = new Map<Action, ApiHandler>([
+const EndpointHandlerMap = new Map<GoogleApiServerUtils.Action, GoogleApiServerUtils.ApiRouter>([
     ["create", (api, params) => api.create(params)],
     ["retrieve", (api, params) => api.get(params)],
     ["update", (api, params) => api.batchUpdate(params)],
 ]);
 
-app.post(RouteStore.googleDocs + ":action", (req, res) => {
-    GoogleApiServerUtils.Docs.GetEndpoint({ credentials, token }).then(endpoint => {
-        let handler = EndpointHandlerMap.get(req.params.action);
-        if (handler) {
-            let execute = handler(endpoint.documents, req.body).then(
+app.post(RouteStore.googleDocs + ":sector/:action", (req, res) => {
+    let sector = req.params.sector;
+    let action = req.params.action;
+    GoogleApiServerUtils.GetEndpoint(GoogleApiServerUtils.Sector[sector], { credentials, token }).then(endpoint => {
+        let handler = EndpointHandlerMap.get(action);
+        if (endpoint && handler) {
+            let execute = handler(endpoint, req.body).then(
                 response => res.send(response.data),
                 rejection => res.send(rejection)
             );
-- 
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