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

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import type { OptionsWithUri } from 'request';
import type {
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IExecuteFunctions,
IExecuteSingleFunctions,
IHookFunctions,
ILoadOptionsFunctions,
} from 'n8n-core';
import type { IDataObject, JsonObject } from 'n8n-workflow';
import { NodeApiError } from 'n8n-workflow';
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export async function harvestApiRequest(
this: IHookFunctions | IExecuteFunctions | IExecuteSingleFunctions | ILoadOptionsFunctions,
method: string,
qs: IDataObject,
path: string,
body: IDataObject = {},
option: IDataObject = {},
uri?: string,
): Promise<any> {
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let options: OptionsWithUri = {
headers: {
'Harvest-Account-Id': `${this.getNodeParameter('accountId', 0)}`,
'User-Agent': 'Harvest App',
Authorization: '',
},
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method,
body,
uri: uri || `https://api.harvestapp.com/v2/${path}`,
qs,
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json: true,
};
options = Object.assign({}, options, option);
if (Object.keys(options.body as IDataObject).length === 0) {
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delete options.body;
}
const authenticationMethod = this.getNodeParameter('authentication', 0);
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try {
if (authenticationMethod === 'accessToken') {
const credentials = await this.getCredentials('harvestApi');
//@ts-ignore
options.headers.Authorization = `Bearer ${credentials.accessToken}`;
return await this.helpers.request(options);
} else {
return await this.helpers.requestOAuth2.call(this, 'harvestOAuth2Api', options);
}
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} catch (error) {
throw new NodeApiError(this.getNode(), error as JsonObject);
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}
}
/**
* Make an API request to paginated flow endpoint
* and return all results
*/
export async function harvestApiRequestAllItems(
this: IHookFunctions | IExecuteFunctions | IExecuteSingleFunctions | ILoadOptionsFunctions,
method: string,
qs: IDataObject,
uri: string,
resource: string,
body: IDataObject = {},
option: IDataObject = {},
): Promise<any> {
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const returnData: IDataObject[] = [];
let responseData;
do {
responseData = await harvestApiRequest.call(this, method, qs, uri, body, option);
qs.page = responseData.next_page;
returnData.push.apply(returnData, responseData[resource] as IDataObject[]);
} while (responseData.next_page);
return returnData;
}
/**
* fetch All resource using paginated calls
*/
export async function getAllResource(
this: IExecuteFunctions | ILoadOptionsFunctions,
resource: string,
i: number,
) {
const endpoint = resource;
const qs: IDataObject = {};
const requestMethod = 'GET';
qs.per_page = 100;
const additionalFields = this.getNodeParameter('filters', i);
const returnAll = this.getNodeParameter('returnAll', i);
Object.assign(qs, additionalFields);
let responseData: IDataObject = {};
if (returnAll) {
responseData[resource] = await harvestApiRequestAllItems.call(
this,
requestMethod,
qs,
endpoint,
resource,
);
} else {
const limit = this.getNodeParameter('limit', i);
qs.per_page = limit;
responseData = await harvestApiRequest.call(this, requestMethod, qs, endpoint);
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}
return responseData[resource] as IDataObject[];
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}