first commit

packages/nodes-base/nodes/Ghost/GenericFunctions.ts

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+import type {
+	IDataObject,
+	IExecuteFunctions,
+	IHookFunctions,
+	IHttpRequestMethods,
+	ILoadOptionsFunctions,
+	IRequestOptions,
+} from 'n8n-workflow';
+
+export async function ghostApiRequest(
+	this: IHookFunctions | IExecuteFunctions | ILoadOptionsFunctions,
+	method: IHttpRequestMethods,
+	endpoint: string,
+
+	body: any = {},
+	query: IDataObject = {},
+	uri?: string,
+): Promise<any> {
+	const source = this.getNodeParameter('source', 0) as string;
+
+	let version;
+	let credentialType;
+
+	if (source === 'contentApi') {
+		//https://ghost.org/faq/api-versioning/
+		version = 'v3';
+		credentialType = 'ghostContentApi';
+	} else {
+		version = 'v2';
+		credentialType = 'ghostAdminApi';
+	}
+
+	const credentials = await this.getCredentials(credentialType);
+
+	const options: IRequestOptions = {
+		method,
+		qs: query,
+		uri: uri || `${credentials.url}/ghost/api/${version}${endpoint}`,
+		body,
+		json: true,
+	};
+
+	return await this.helpers.requestWithAuthentication.call(this, credentialType, options);
+}
+
+export async function ghostApiRequestAllItems(
+	this: IHookFunctions | IExecuteFunctions | ILoadOptionsFunctions,
+	propertyName: string,
+	method: IHttpRequestMethods,
+	endpoint: string,
+
+	body: any = {},
+	query: IDataObject = {},
+): Promise<any> {
+	const returnData: IDataObject[] = [];
+
+	let responseData;
+
+	query.limit = 50;
+	query.page = 1;
+
+	do {
+		responseData = await ghostApiRequest.call(this, method, endpoint, body, query);
+		query.page = responseData.meta.pagination.next;
+		returnData.push.apply(returnData, responseData[propertyName] as IDataObject[]);
+	} while (query.page !== null);
+	return returnData;
+}
+
+export function validateJSON(json: string | undefined): any {
+	let result;
+	try {
+		result = JSON.parse(json!);
+	} catch (exception) {
+		result = undefined;
+	}
+	return result;
+}