From 73aef6f6e98e361f252f97d3a48e19fc56d76f23 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B8rgen=20Sverre=20Lien=20Sell=C3=A6g?=
 <jorgen.sellag@ibooking.no>
Date: Sun, 30 May 2021 15:32:12 +0200
Subject: [PATCH] add facebook page and facebook event endpoitns

---
 src/constants.js                              |  1 -
 src/facebook-event.js                         | 43 ++++++++++++++++
 ...acebook-api.js => facebook-page-events.js} | 49 +------------------
 src/facebook-request.js                       | 41 ++++++++++++++++
 src/scrape.js                                 |  2 +-
 5 files changed, 87 insertions(+), 49 deletions(-)
 delete mode 100644 src/constants.js
 create mode 100644 src/facebook-event.js
 rename src/{facebook-api.js => facebook-page-events.js} (75%)
 create mode 100644 src/facebook-request.js

diff --git a/src/constants.js b/src/constants.js
deleted file mode 100644
index d2df7a3..0000000
--- a/src/constants.js
+++ /dev/null
@@ -1 +0,0 @@
-exports.graphql_endpoint = 'https://www.facebook.com/api/graphql/';
diff --git a/src/facebook-event.js b/src/facebook-event.js
new file mode 100644
index 0000000..56b2ea0
--- /dev/null
+++ b/src/facebook-event.js
@@ -0,0 +1,43 @@
+const { get_event } = require('./logic');
+
+const { do_request } = require('./facebook-request');
+
+const do_event_request = async (doc_id, event_id) => {
+  let variables = {
+    eventID: `${event_id}`,
+  };
+  const res = await do_request(doc_id, variables);
+  return get_event(res);
+};
+
+/// EventsAboutTheVenueCardRendererQuery
+const do_event_location_request = (event_id) => {
+  const doc_id = '1634531006589990';
+  return do_event_request(doc_id, event_id);
+};
+
+/// EventsRelayTicketButtonCallableQuery
+const do_event_ticket_request = (event_id) => {
+  const doc_id = '3806351372819867';
+  return do_event_request(doc_id, event_id);
+};
+
+/// EventsEventDetailsCardRendererQuery
+const do_event_desc_request = (event_id) => {
+  const doc_id = '4360465050633785';
+  return do_event_request(doc_id, event_id);
+};
+
+const get_event_details = async (event_id) => {
+  const res = await Promise.all([
+    do_event_ticket_request(event_id),
+    do_event_location_request(event_id),
+    do_event_desc_request(event_id),
+  ]);
+  const event = res.reduce((acc, event) => ({ ...acc, ...event }), {});
+  return event;
+};
+
+module.exports = {
+  get_event_details,
+};
diff --git a/src/facebook-api.js b/src/facebook-page-events.js
similarity index 75%
rename from src/facebook-api.js
rename to src/facebook-page-events.js
index f773c2f..ea66e3d 100644
--- a/src/facebook-api.js
+++ b/src/facebook-page-events.js
@@ -1,59 +1,14 @@
-const { graphql_endpoint } = require('./constants');
 const {
   get_edges,
-  get_event,
   get_page_info,
   get_past_events_from_page,
   get_upcoming_events_from_page,
   map_event,
   sleep,
 } = require('./logic');
-const fetch = require('node-fetch');
-const last = require('ramda/src/last');
-
-const do_request = async (doc_id, variables) => {
-  const params = new URLSearchParams();
-  params.append('doc_id', doc_id);
-  params.append('variables', JSON.stringify(variables));
-
-  const fetch_options = {
-    headers: {
-      'Content-Type': 'application/x-www-form-urlencoded',
-    },
-    body: params,
-    method: 'POST',
-  };
 
-  let res = null;
-  try {
-    res = await fetch(graphql_endpoint, fetch_options);
-  } catch (e) {
-    console.error(e);
-    return null;
-  }
-
-  if (!res.ok) {
-    return null;
-  }
-
-  try {
-    res = await res.json();
-  } catch (e) {
-    console.error(e);
-    return null;
-  }
-
-  return res;
-};
-
-const do_event_location_request = async (event_id) => {
-  const doc_id = '1634531006589990';
-  let variables = {
-    eventID: `${event_id}`,
-  };
-  const res = await do_request(doc_id, variables);
-  return get_event(res);
-};
+const { do_request } = require('./facebook-request');
+const last = require('ramda/src/last');
 
 const do_events_request = async (page_id, doc_id, cursor = null) => {
   let variables = {
diff --git a/src/facebook-request.js b/src/facebook-request.js
new file mode 100644
index 0000000..da21300
--- /dev/null
+++ b/src/facebook-request.js
@@ -0,0 +1,41 @@
+const fetch = require('node-fetch');
+const graphql_endpoint = 'https://www.facebook.com/api/graphql/';
+
+const do_request = async (doc_id, variables) => {
+  const params = new URLSearchParams();
+  params.append('doc_id', doc_id);
+  params.append('variables', JSON.stringify(variables));
+
+  const fetch_options = {
+    headers: {
+      'Content-Type': 'application/x-www-form-urlencoded',
+    },
+    body: params,
+    method: 'POST',
+  };
+
+  let res = null;
+  try {
+    res = await fetch(graphql_endpoint, fetch_options);
+  } catch (e) {
+    console.error(e);
+    return null;
+  }
+
+  if (!res.ok) {
+    return null;
+  }
+
+  try {
+    res = await res.json();
+  } catch (e) {
+    console.error(e);
+    return null;
+  }
+
+  return res;
+};
+
+module.exports = {
+  do_request,
+};
diff --git a/src/scrape.js b/src/scrape.js
index c72b67c..223f119 100644
--- a/src/scrape.js
+++ b/src/scrape.js
@@ -7,7 +7,7 @@ const {
   write_events,
 } = require('./logic');
 
-const { get_page_events } = require('./facebook-api');
+const { get_page_events } = require('./facebook-page-events');
 
 const options = parse_args(process.argv.slice(2));