mirror of https://github.com/TryGhost/Ghost.git
99 lines
3.0 KiB
JavaScript
99 lines
3.0 KiB
JavaScript
const toPairs = require('lodash/toPairs');
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const logging = require('../../../../../shared/logging');
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/*
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* @param from: object with a SINGLE entry { 'fromColumn': 'fromValue' }
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* @param to: object with a SINGLE entry { 'toColumn': 'toValue' }
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*/
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const createColumnToColumnMap = ({from, to, tableName}) => (connection) => {
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return connection.schema.hasTable(tableName)
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.then((tableExists) => {
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if (!tableExists) {
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logging.warn(
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`Table ${tableName} does not exist`
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);
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return;
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}
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const [fromColumn, fromValue] = toPairs(from)[0];
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const [toColumn, toValue] = toPairs(to)[0];
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return Promise.all([
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connection.schema.hasColumn(tableName, fromColumn),
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connection.schema.hasColumn(tableName, toColumn)
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]).then(([fromColumnExists, toColumnExists]) => {
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if (!fromColumnExists) {
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logging.warn(
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`Table '${tableName}' does not have column '${fromColumn}'`
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);
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}
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if (!toColumnExists) {
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logging.warn(
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`Table '${tableName}' does not have column '${toColumn}'`
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);
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}
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if (!fromColumnExists || !toColumnExists) {
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return;
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}
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logging.info(
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`Updating ${tableName}, setting "${toColumn}" column to "${toValue}" where "${fromColumn}" column is "${fromValue}"`
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);
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return connection(tableName)
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.where(fromColumn, fromValue)
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.update(toColumn, toValue);
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});
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});
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};
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const createColumnToColumnMigration = ({tableName, from, to}) => {
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return {
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up: createColumnToColumnMap({from, to, tableName}),
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down: createColumnToColumnMap({from: to, to: from, tableName})
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};
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};
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const typeColumnToPageTrue = createColumnToColumnMigration({
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tableName: 'posts',
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from: {
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type: 'page'
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},
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to: {
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page: true
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}
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});
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const typeColumnToPageFalse = createColumnToColumnMigration({
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tableName: 'posts',
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from: {
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type: 'post'
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},
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to: {
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page: false
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}
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});
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module.exports.up = ({transacting}) => {
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return transacting.schema.hasColumn('posts', 'type').then((hasTypeColumn) => {
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if (!hasTypeColumn) {
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// no-op'd post.page->post.type migrations were never run
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return Promise.resolve();
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}
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return Promise.all([
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typeColumnToPageTrue.up(transacting),
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typeColumnToPageFalse.up(transacting)
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]);
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});
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};
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// `up` only runs in order to fix a previous migration so we don't want to do
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// anything in `down` because it would put previously-fine sites into the wrong
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// state
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module.exports.down = () => Promise.resolve();
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module.exports.config = {
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transaction: true
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};
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