Created
January 26, 2015 04:19
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Possible ORM API for Node.js / io.js based off of Laravel's Eloquent API
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"use strict"; | |
const Schema = require('schema'); | |
const Migration = require('migration'); | |
// Migration builder | |
let CreateUsersTable = Object.create(Migration); | |
CreateUsersTable.prototype.up = function up() { | |
// Schema takes in a table name and instantiates a table | |
// for us then to use to chain properties to | |
Schema.create('tableName', function (table) { | |
table.increments('id'); | |
table.string('stringField', { length: 500, unique: true }); | |
table.integer('intField'); | |
table.boolean('boolField'); | |
table.date('dateField'); | |
table.timestamps(); | |
}); | |
}; | |
CreateUsersTable.prototype.down = function down() { | |
Schema.drop('tableName'); | |
}; | |
// Seeder | |
let UsersTableSeeder = Object.create(Seeder, { table: 'users' }); | |
// Run should give us a table object to work with | |
UsersTableSeeder.prototype.run = function run() { | |
// Delete everything in table | |
this.table.truncate(); | |
let data = []; | |
// Insert data | |
this.table.seed(data); | |
} | |
// Eloquent User Model | |
const Eloquent = require('eloquent'); | |
let User = Object.create(Eloquent, { table: 'users' }); | |
// Many-to-one relationship | |
User.prototype.posts = function posts() { | |
return this.hasMany('post'); | |
} | |
// Many-to-many relationship | |
User.prototype.groups = function groups() { | |
return this.belongsToMany('groups'); | |
} | |
// Usage | |
const User = require('./models/user'); | |
let info = { username: 'foo', password: 'bar', email: 'foobar' }; | |
User.create(info).then(function (success) { | |
console.log('User created'); | |
}); | |
User.all().then(function (users) { console.log('All users!') }); | |
User.find({ id: 3 }).then(function (user) { | |
console.log('We\'ve found a match for the ${user}'); | |
}); | |
User.where({ email: 'foobar' }).then(function (user) { | |
console.log('Found the user'); | |
}); | |
User.destroy({ id: 3 }).then(function (msg) { | |
console.log('User deleted') | |
}); | |
User.where({ email: 'foobar' }).then(function (user) { | |
}); | |
// Relationships | |
User.find({ id: 3 }).then(function (user) { | |
console.log('Posts are here: ${user.posts}'); | |
// Can subquery further... | |
return user.posts.where('length', '>', 200); | |
}); |
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I am looking for. Good job.