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import { isUserUsernameValid } from '../helpers'
module.exports = function (sequelize, DataTypes) {
const Author = sequelize.define('Author',
{
name: {
type: DataTypes.STRING,
allowNull: false,
validate: {
usernameValid: function (value) {
const res = isUserUsernameValid(value)
if (res === false) throw new Error('Username is not valid.')
}
}
}
},
{
indexes: [
{
fields: [ 'name' ]
},
{
fields: [ 'podId' ]
},
{
fields: [ 'userId' ],
unique: true
},
{
fields: [ 'name', 'podId' ],
unique: true
}
],
classMethods: {
associate,
findOrCreateAuthor
}
}
)
return Author
}
// ---------------------------------------------------------------------------
function associate (models) {
this.belongsTo(models.Pod, {
foreignKey: {
name: 'podId',
allowNull: true
},
onDelete: 'cascade'
})
this.belongsTo(models.User, {
foreignKey: {
name: 'userId',
allowNull: true
},
onDelete: 'cascade'
})
}
function findOrCreateAuthor (name, podId, userId, transaction, callback) {
if (!callback) {
callback = transaction
transaction = null
}
const author = {
name,
podId,
userId
}
const query: any = {
where: author,
defaults: author
}
if (transaction) query.transaction = transaction
this.findOrCreate(query).asCallback(function (err, result) {
if (err) return callback(err)
// [ instance, wasCreated ]
return callback(null, result[0])
})
}
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