import { createHmac } from "crypto";
import { uuid } from "uuidv4";
import common from "../common/common.mjs";
import constants from "../../constants.mjs";
import utils from "../common/utils.mjs";
const { typeform } = common.props;
const { parseIsoDate } = utils;
export default {
...common,
key: "typeform-new-submission",
name: "New Submission",
version: "0.0.7",
type: "source",
description: "Emit new submission",
props: {
...common.props,
http: {
type: "$.interface.http",
customResponse: true,
},
db: "$.service.db",
formId: {
propDefinition: [
typeform,
"formId",
],
},
},
methods: {
...common.methods,
generateSecret() {
return "" + Math.random();
},
},
hooks: {
...common.hooks,
async activate() {
const secret = this.generateSecret();
this._setSecret(secret);
let tag = this._getTag();
if (!tag) {
tag = uuid();
this._setTag(tag);
}
return await this.typeform.createHook({
endpoint: this.http.endpoint,
formId: this.formId,
tag,
secret,
});
},
async deactivate() {
const tag = this._getTag();
return await this.typeform.deleteHook({
formId: this.formId,
tag,
});
},
},
async run(event) {
const {
body,
headers,
} = event;
const { [constants.TYPEFORM_SIGNATURE]: typeformSignature } = headers;
if (typeformSignature) {
const secret = this._getSecret();
const hmac =
createHmac(constants.ALGORITHM, secret)
.update(body)
.digest(constants.ENCODING);
const signature = `${constants.ALGORITHM}=${hmac}`;
if (typeformSignature !== signature) {
throw new Error("signature mismatch");
}
}
let formResponseString = "";
const data = Object.assign({}, body.form_response);
data.form_response_parsed = {};
for (let i = 0; i < body.form_response.answers.length; i++) {
const field = body.form_response.definition.fields[i];
const answer = body.form_response.answers[i];
let parsedAnswer;
let value = answer[answer.type];
if (value.label) {
parsedAnswer = value.label;
} else if (value.labels) {
parsedAnswer = value.labels.join();
} else if (value.choice) {
parsedAnswer = value.choice;
} else if (value.choices) {
parsedAnswer = value.choices.join();
} else {
parsedAnswer = value;
}
data.form_response_parsed[field.title] = parsedAnswer;
formResponseString += `### ${field.title}\n${parsedAnswer}\n`;
}
data.form_response_string = formResponseString;
data.raw_webhook_event = body;
if (data.landed_at) {
data.landed_at = parseIsoDate(data.landed_at);
}
if (data.submitted_at) {
data.submitted_at = parseIsoDate(data.submitted_at);
}
data.form_title = body.form_response.definition.title;
delete data.answers;
delete data.definition;
this.$emit(data, {
summary: JSON.stringify(data),
id: data.token,
});
this.http.respond({
status: 200,
});
},
};
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