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import { values } from 'lodash'
import * as Sequelize from 'sequelize'
import { addMethodsToModel } from '../utils'
import { AccountFollowAttributes, AccountFollowInstance, AccountFollowMethods } from './account-follow-interface'
import { FOLLOW_STATES } from '../../initializers/constants'
let AccountFollow: Sequelize.Model<AccountFollowInstance, AccountFollowAttributes>
let loadByAccountAndTarget: AccountFollowMethods.LoadByAccountAndTarget
export default function (sequelize: Sequelize.Sequelize, DataTypes: Sequelize.DataTypes) {
AccountFollow = sequelize.define<AccountFollowInstance, AccountFollowAttributes>('AccountFollow',
{
state: {
type: DataTypes.ENUM(values(FOLLOW_STATES)),
allowNull: false
}
},
{
indexes: [
{
fields: [ 'accountId' ],
unique: true
},
{
fields: [ 'targetAccountId' ],
unique: true
}
]
}
)
const classMethods = [
associate
]
addMethodsToModel(AccountFollow, classMethods)
return AccountFollow
}
// ------------------------------ STATICS ------------------------------
function associate (models) {
AccountFollow.belongsTo(models.Account, {
foreignKey: {
name: 'accountId',
allowNull: false
},
as: 'followers',
onDelete: 'CASCADE'
})
AccountFollow.belongsTo(models.Account, {
foreignKey: {
name: 'targetAccountId',
allowNull: false
},
as: 'following',
onDelete: 'CASCADE'
})
}
loadByAccountAndTarget = function (accountId: number, targetAccountId: number) {
const query = {
where: {
accountId,
targetAccountId
}
}
return AccountFollow.findOne(query)
}
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