alterColumnNameHelper.js

const { toPairs } = require('lodash');
const {
	getSchemaOfAlterCollection,
	getFullCollectionName,
	isParentContainerActivated,
	isObjectInDeltaModelActivated,
	wrapInQuotes,
} = require('../../../utils/general');
const templates = require('../../../ddlProvider/templates');
const { AlterScriptDto } = require('../../types/AlterScriptDto');
const { assignTemplates } = require('../../../utils/assignTemplates');

/**
 * @param {string} tableName
 * @param {string} oldColumnName
 * @param {string} newColumnName
 * @return string
 */
const alterColumnName = (tableName, oldColumnName, newColumnName) => {
	return assignTemplates({
		template: templates.renameColumn,
		templateData: {
			tableName,
			oldColumnName: wrapInQuotes(oldColumnName),
			newColumnName: wrapInQuotes(newColumnName),
		},
	});
};

/**
 * @param {Object} collection
 * @return {Array<AlterScriptDto>}
 */
const getRenameColumnScriptDtos = collection => {
	const collectionSchema = getSchemaOfAlterCollection(collection);
	const fullTableName = getFullCollectionName({ collectionSchema });
	const isContainerActivated = isParentContainerActivated(collection);
	const isCollectionActivated = isObjectInDeltaModelActivated(collection);

	return toPairs(collection.properties).map(([_, jsonSchema]) => {
		if (!jsonSchema.compMod) {
			return undefined;
		}
		const compMod = jsonSchema.compMod || {};
		const { newField = {}, oldField = {} } = compMod;

		if (newField.name && oldField.name && newField.name !== oldField.name) {
			const isActivated = isContainerActivated && isCollectionActivated && jsonSchema.isActivated;
			const script = alterColumnName(fullTableName, oldField.name, newField.name);

			return AlterScriptDto.getInstance([script], isActivated, false);
		}

		return undefined;
	});
};

module.exports = {
	getRenameColumnScriptDtos,
};