n8n/packages/nodes-base/nodes/Emelia/GenericFunctions.ts

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import type { IExecuteFunctions, ILoadOptionsFunctions } from 'n8n-core';
import type {
ICredentialsDecrypted,
ICredentialTestFunctions,
IHookFunctions,
INodeCredentialTestResult,
INodePropertyOptions,
JsonObject,
} from 'n8n-workflow';
import { NodeApiError } from 'n8n-workflow';
/**
* Make an authenticated REST API request to Emelia, used for trigger node.
*/
export async function emeliaApiRequest(
this: IExecuteFunctions | ILoadOptionsFunctions | IHookFunctions,
method: string,
endpoint: string,
body: object = {},
qs: object = {},
) {
const { apiKey } = (await this.getCredentials('emeliaApi')) as { apiKey: string };
const options = {
headers: {
Authorization: apiKey,
},
method,
body,
qs,
uri: `https://graphql.emelia.io${endpoint}`,
json: true,
};
try {
return await this.helpers.request.call(this, options);
} catch (error) {
throw new NodeApiError(this.getNode(), error as JsonObject);
}
}
/**
* Make an authenticated GraphQL request to Emelia.
*/
export async function emeliaGraphqlRequest(
this: IExecuteFunctions | ILoadOptionsFunctions,
body: object = {},
) {
const response = await emeliaApiRequest.call(this, 'POST', '/graphql', body);
if (response.errors) {
throw new NodeApiError(this.getNode(), response as JsonObject);
}
return response;
}
/**
* Load resources so that the user can select them easily.
*/
export async function loadResource(
this: ILoadOptionsFunctions,
resource: 'campaign' | 'contactList',
): Promise<INodePropertyOptions[]> {
const mapping: { [key in 'campaign' | 'contactList']: { query: string; key: string } } = {
campaign: {
query: `
query GetCampaigns {
campaigns {
_id
name
}
}`,
key: 'campaigns',
},
contactList: {
query: `
query GetContactLists {
contact_lists {
_id
name
}
}`,
key: 'contact_lists',
},
};
const responseData = await emeliaGraphqlRequest.call(this, { query: mapping[resource].query });
return responseData.data[mapping[resource].key].map(
(campaign: { name: string; _id: string }) => ({
name: campaign.name,
value: campaign._id,
}),
);
}
export async function emeliaApiTest(
this: ICredentialTestFunctions,
credential: ICredentialsDecrypted,
): Promise<INodeCredentialTestResult> {
const credentials = credential.data;
const body = {
query: `
query all_campaigns {
all_campaigns {
_id
name
status
createdAt
stats {
mailsSent
}
}
}`,
operationName: 'all_campaigns',
};
const options = {
headers: {
Authorization: credentials?.apiKey,
},
method: 'POST',
body,
uri: 'https://graphql.emelia.io/graphql',
json: true,
};
try {
await this.helpers.request(options);
} catch (error) {
return {
status: 'Error',
message: `Connection details not valid: ${(error as JsonObject).message}`,
};
}
return {
status: 'OK',
message: 'Authentication successful!',
};
}