import orderBy from "lodash/orderBy.js";
import common from "../common/timer-based.mjs";
export default {
...common,
key: "sendgrid-new-contact",
name: "New Contact",
description: "Emit new event when a new contact is created",
version: "0.0.6",
type: "source",
dedupe: "unique",
hooks: {
async activate() {
const currentTimestamp = Date.now();
const state = {
processedItems: [],
lowerTimestamp: currentTimestamp,
upperTimestamp: currentTimestamp,
};
this.db.set("state", state);
},
},
methods: {
...common.methods,
_maxDelayTime() {
return 30 * 60 * 1000;
},
_addDelayOffset(timestamp) {
return timestamp - this._maxDelayTime();
},
_cleanupOldProcessedItems(processedItems, currentTimestamp) {
return processedItems
.map((item) => ({
id: item.id,
created_at: item.created_at,
}))
.filter((item) => {
const { created_at: createdAt } = item;
const createdAtTimestamp = Date.parse(createdAt);
const cutoffTimestamp = this._addDelayOffset(currentTimestamp);
return createdAtTimestamp > cutoffTimestamp;
});
},
_makeSearchQuery(processedItems, lowerTimestamp, upperTimestamp) {
const idList = processedItems
.map((item) => item.id)
.map((id) => `'${id}'`)
.join(", ")
|| "''";
const startTimestamp = this._addDelayOffset(lowerTimestamp);
const startDate = this.toISOString(startTimestamp);
const endDate = this.toISOString(upperTimestamp);
return `
contact_id NOT IN (${idList}) AND
created_at BETWEEN
TIMESTAMP '${startDate}' AND
TIMESTAMP '${endDate}'
`;
},
generateMeta(data) {
const {
item,
eventTimestamp: ts,
} = data;
const {
id,
email,
} = item;
const slugifiedEmail = this.slugifyEmail(email);
const summary = `New contact: ${slugifiedEmail}`;
return {
id,
summary,
ts,
};
},
async processEvent(event) {
const eventTimestamp = event.timestamp * 1000;
const {
processedItems,
lowerTimestamp,
upperTimestamp,
} = this.db.get("state");
const query = this._makeSearchQuery(processedItems, lowerTimestamp, upperTimestamp);
const {
result: items,
contact_count: contactCount,
} = await this.sendgrid.searchContacts(query);
if (contactCount === 0) {
const newState = {
processedItems: this._cleanupOldProcessedItems(processedItems, lowerTimestamp),
lowerTimestamp: upperTimestamp,
upperTimestamp: eventTimestamp,
};
this.db.set("state", newState);
return;
}
const itemsToProcess = orderBy(items, "created_at");
itemsToProcess
.forEach((item) => {
const meta = this.generateMeta({
item,
eventTimestamp,
});
this.$emit(item, meta);
});
const newLowerTimestamp = Math.max(
lowerTimestamp,
Date.parse(itemsToProcess[0].created_at),
);
const newUpperTimestamp = contactCount < 100
? eventTimestamp
: upperTimestamp;
const newProcessedItems = this._cleanupOldProcessedItems(
[
...processedItems,
...itemsToProcess,
],
newLowerTimestamp,
);
const newState = {
processedItems: newProcessedItems,
lowerTimestamp: newLowerTimestamp,
upperTimestamp: newUpperTimestamp,
};
this.db.set("state", newState);
},
},
};