HackMD/lib/migrations/20160703062241-support-authorship.js

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'use strict'
module.exports = {
up: function (queryInterface, Sequelize) {
return queryInterface.addColumn('Notes', 'authorship', Sequelize.TEXT).then(function () {
return queryInterface.addColumn('Revisions', 'authorship', Sequelize.TEXT)
}).then(function () {
return queryInterface.createTable('Authors', {
id: {
type: Sequelize.INTEGER,
primaryKey: true,
autoIncrement: true
},
color: Sequelize.STRING,
noteId: Sequelize.UUID,
userId: Sequelize.UUID,
createdAt: Sequelize.DATE,
updatedAt: Sequelize.DATE
})
}).catch(function (error) {
if (error.message === 'SQLITE_ERROR: duplicate column name: authorship' || error.message === "ER_DUP_FIELDNAME: Duplicate column name 'authorship'" || error.message === 'column "authorship" of relation "Notes" already exists') {
console.log('Migration has already run… ignoring.')
} else {
throw error
}
})
},
down: function (queryInterface, Sequelize) {
return queryInterface.dropTable('Authors').then(function () {
return queryInterface.removeColumn('Revisions', 'authorship')
}).then(function () {
return queryInterface.removeColumn('Notes', 'authorship')
})
}
}