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'use strict'
const map = require('lodash/map')
const constants = require('../initializers/constants')
// ---------------------------------------------------------------------------
module.exports = function (sequelize, DataTypes) {
const Pod = sequelize.define('Pod',
{
host: {
type: DataTypes.STRING
},
publicKey: {
type: DataTypes.STRING(5000)
},
score: {
type: DataTypes.INTEGER,
defaultValue: constants.FRIEND_SCORE.BASE
}
},
{
classMethods: {
associate,
countAll,
incrementScores,
list,
listAllIds,
listBadPods,
load,
loadByHost,
removeAll
},
instanceMethods: {
toFormatedJSON
}
}
)
return Pod
}
// TODO: max score -> constants.FRIENDS_SCORE.MAX
// TODO: validation
// PodSchema.path('host').validate(validator.isURL)
// PodSchema.path('publicKey').required(true)
// PodSchema.path('score').validate(function (value) { return !isNaN(value) })
// ------------------------------ METHODS ------------------------------
function toFormatedJSON () {
const json = {
id: this.id,
host: this.host,
score: this.score,
createdAt: this.createdAt
}
return json
}
// ------------------------------ Statics ------------------------------
function associate (models) {
this.belongsToMany(models.Request, {
foreignKey: 'podId',
through: models.RequestToPod,
onDelete: 'cascade'
})
}
function countAll (callback) {
return this.count().asCallback(callback)
}
function incrementScores (ids, value, callback) {
if (!callback) callback = function () {}
const update = {
score: this.sequelize.literal('score +' + value)
}
const query = {
where: {
id: {
$in: ids
}
}
}
return this.update(update, query).asCallback(callback)
}
function list (callback) {
return this.findAll().asCallback(callback)
}
function listAllIds (callback) {
const query = {
attributes: [ 'id' ]
}
return this.findAll(query).asCallback(function (err, pods) {
if (err) return callback(err)
return callback(null, map(pods, 'id'))
})
}
function listBadPods (callback) {
const query = {
where: {
score: { $lte: 0 }
}
}
return this.findAll(query).asCallback(callback)
}
function load (id, callback) {
return this.findById(id).asCallback(callback)
}
function loadByHost (host, callback) {
const query = {
where: {
host: host
}
}
return this.findOne(query).asCallback(callback)
}
function removeAll (callback) {
return this.destroy().asCallback(callback)
}
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