From 27fc640a9eae70813e9f02cda2c27a4509a04591 Mon Sep 17 00:00:00 2001
From: Xianny <8582774+xianny@users.noreply.github.com>
Date: Tue, 8 Jan 2019 13:50:51 -0800
Subject: fetch and save copper (#1472)

Fetch and save Copper CRM
---
 packages/pipeline/src/scripts/pull_copper.ts | 129 +++++++++++++++++++++++++++
 1 file changed, 129 insertions(+)
 create mode 100644 packages/pipeline/src/scripts/pull_copper.ts

(limited to 'packages/pipeline/src/scripts/pull_copper.ts')

diff --git a/packages/pipeline/src/scripts/pull_copper.ts b/packages/pipeline/src/scripts/pull_copper.ts
new file mode 100644
index 000000000..69814f209
--- /dev/null
+++ b/packages/pipeline/src/scripts/pull_copper.ts
@@ -0,0 +1,129 @@
+// tslint:disable:no-console
+import * as R from 'ramda';
+import { Connection, ConnectionOptions, createConnection, Repository } from 'typeorm';
+
+import { CopperEndpoint, CopperSearchParams, CopperSource } from '../data_sources/copper';
+import { CopperActivity, CopperActivityType, CopperCustomField, CopperLead, CopperOpportunity } from '../entities';
+import * as ormConfig from '../ormconfig';
+import {
+    CopperSearchResponse,
+    parseActivities,
+    parseActivityTypes,
+    parseCustomFields,
+    parseLeads,
+    parseOpportunities,
+} from '../parsers/copper';
+import { handleError } from '../utils';
+const ONE_SECOND = 1000;
+const COPPER_RATE_LIMIT = 10;
+let connection: Connection;
+
+(async () => {
+    connection = await createConnection(ormConfig as ConnectionOptions);
+
+    const accessToken = process.env.COPPER_ACCESS_TOKEN;
+    const userEmail = process.env.COPPER_USER_EMAIL;
+    if (accessToken === undefined || userEmail === undefined) {
+        throw new Error('Missing required env var: COPPER_ACCESS_TOKEN and/or COPPER_USER_EMAIL');
+    }
+    const source = new CopperSource(COPPER_RATE_LIMIT, accessToken, userEmail);
+
+    const fetchPromises = [
+        fetchAndSaveLeadsAsync(source),
+        fetchAndSaveOpportunitiesAsync(source),
+        fetchAndSaveActivitiesAsync(source),
+        fetchAndSaveCustomFieldsAsync(source),
+        fetchAndSaveActivityTypesAsync(source),
+    ];
+    fetchPromises.forEach(async fn => {
+        await fn;
+    });
+})().catch(handleError);
+
+async function fetchAndSaveLeadsAsync(source: CopperSource): Promise<void> {
+    const repository = connection.getRepository(CopperLead);
+    const startTime = await getMaxAsync(connection, 'date_modified', 'raw.copper_leads');
+    console.log(`Fetching Copper leads starting from ${startTime}...`);
+    await fetchAndSaveAsync(CopperEndpoint.Leads, source, startTime, {}, parseLeads, repository);
+}
+
+async function fetchAndSaveOpportunitiesAsync(source: CopperSource): Promise<void> {
+    const repository = connection.getRepository(CopperOpportunity);
+    const startTime = await getMaxAsync(connection, 'date_modified', 'raw.copper_opportunities');
+    console.log(`Fetching Copper opportunities starting from ${startTime}...`);
+    await fetchAndSaveAsync(
+        CopperEndpoint.Opportunities,
+        source,
+        startTime,
+        { sort_by: 'name' },
+        parseOpportunities,
+        repository,
+    );
+}
+
+async function fetchAndSaveActivitiesAsync(source: CopperSource): Promise<void> {
+    const repository = connection.getRepository(CopperActivity);
+    const startTime = await getMaxAsync(connection, 'date_modified', 'raw.copper_activities');
+    const searchParams = {
+        minimum_activity_date: Math.floor(startTime / ONE_SECOND),
+    };
+    console.log(`Fetching Copper activities starting from ${startTime}...`);
+    await fetchAndSaveAsync(CopperEndpoint.Activities, source, startTime, searchParams, parseActivities, repository);
+}
+
+async function getMaxAsync(conn: Connection, sortColumn: string, tableName: string): Promise<number> {
+    const queryResult = await conn.query(`SELECT MAX(${sortColumn}) as _max from ${tableName};`);
+    if (R.isEmpty(queryResult)) {
+        return 0;
+    } else {
+        return queryResult[0]._max;
+    }
+}
+
+// (Xianny): Copper API doesn't allow queries to filter by date. To ensure that we are filling in ascending chronological
+// order and not missing any records, we are scraping all available pages. If Copper data gets larger,
+// it would make sense to search for and start filling from the first page that contains a new record.
+// This search would increase our network calls and is not efficient to implement with our current small volume
+// of Copper records.
+async function fetchAndSaveAsync<T extends CopperSearchResponse, E>(
+    endpoint: CopperEndpoint,
+    source: CopperSource,
+    startTime: number,
+    searchParams: CopperSearchParams,
+    parseFn: (recs: T[]) => E[],
+    repository: Repository<E>,
+): Promise<void> {
+    let saved = 0;
+    const numPages = await source.fetchNumberOfPagesAsync(endpoint);
+    try {
+        for (let i = numPages; i > 0; i--) {
+            console.log(`Fetching page ${i}/${numPages} of ${endpoint}...`);
+            const raw = await source.fetchSearchResultsAsync<T>(endpoint, {
+                ...searchParams,
+                page_number: i,
+            });
+            const newRecords = raw.filter(rec => rec.date_modified * ONE_SECOND > startTime);
+            const parsed = parseFn(newRecords);
+            await repository.save<any>(parsed);
+            saved += newRecords.length;
+        }
+    } catch (err) {
+        console.log(`Error fetching ${endpoint}, stopping: ${err.stack}`);
+    } finally {
+        console.log(`Saved ${saved} items from ${endpoint}, done.`);
+    }
+}
+
+async function fetchAndSaveActivityTypesAsync(source: CopperSource): Promise<void> {
+    console.log(`Fetching Copper activity types...`);
+    const activityTypes = await source.fetchActivityTypesAsync();
+    const repository = connection.getRepository(CopperActivityType);
+    await repository.save(parseActivityTypes(activityTypes));
+}
+
+async function fetchAndSaveCustomFieldsAsync(source: CopperSource): Promise<void> {
+    console.log(`Fetching Copper custom fields...`);
+    const customFields = await source.fetchCustomFieldsAsync();
+    const repository = connection.getRepository(CopperCustomField);
+    await repository.save(parseCustomFields(customFields));
+}
-- 
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