require 'sorm'

SORM.configure do |config|
  config.storage_config = {
    database: "/tmp/path_to_your_db"
  }
end

class Person < SORM::Model
  attribute :first_name
  attribute :last_name
end

p = Person.new(first_name: "Krokodil", last_name: "Gena")
=> #<Person:instance @first_name="Krokodil", @last_name="Gena", @sorm_id=nil>

p.save
=> true

Person.create(first_name: "Krokodil")
=> #<Person:instance @first_name="Krokodil", @last_name=nil, @sorm_id="some-long-generated-id">

class Person < SORM::Model
  attribute :name

  validate :name, presence: true
end

Person.new.valid?
=> false

Person.new.errors
=> { name: "Can't be blank" }

class Person < SORM::Model
  attribute :name

  validate :name, uniq: true
end

Person.create(name: "Gena")
=> true
Person.create(name: "Gena")
=> false
Person.new(name: "Gena").valid?
=> false
Person.new(name: "Gena").errors
=> { name: "Should be uniq" }

class Person < SORM::Model
  attribute :name

  validate :name do |record|
    record.name =~ "Gena"
  end
end

Person.create(name: "Gena")
=> true
Person.create(name: "Vasya")
=> false
Person.new(name: "Vasya").valid?
=> false
Person.new(name: "Vasya").errors
=> { name: "Validation block returns false-value" }

class User < SORM::Model
  has_one :profile, class: "Profile"
end

class Profile < SORM::Model
  belongs_to :user, class: "User"
end

u = User.create
=> #<User:instance @sorm_id="some-user-id">
Profile.create(user_id: u.sorm_id)
=> #<Profile:instance @sorm_id="some-profile-id", @user_id="some-user-id">
u.profile
=> #<Profile:instance @sorm_id="some-profile-id", @user_id="some-user-id">

class Profile < SORM::Model
  has_many :companies, class: "Company"
end

class Company < SORM::Model
  belongs_to :profile, class: "Profile"
end

p = Profile.create
=> #<Profile:instance @sorm_id="some-profile-id">
Company.create(profile_id: p.sorm_id)
=> #<Company:instance @sorm_id="some-company-id", @profile_id="some-profile-id">
Company.create(profile_id: p.sorm_id)
=> #<Company:instance @sorm_id="some-company-id2", @profile_id="some-profile-id">
p.companies
=> [
  #<Company:instance @sorm_id="some-company-id", @profile_id="some-profile-id">,
  #<Company:instance @sorm_id="some-company-id2", @profile_id="some-profile-id">
]

# class-methods
Profile.first
=> #<Profile:instance ... >
Profile.last
=> #<Profile:instance ... >
Profile.find("some-sorm-id")
=> #<Profile:instance @sorm_id="some-sorm-id" ... >
Profile.where(name: "Gena")
=> [#<Profile:instance @name="Gena" ...>, #<Profile:instance @name="Gena" ... >]
Profile.count
=> 10

# instance-methods
p = Profile.create(name: "Gena")
=> #<Profile:instance @name="Gena", @sorm_id="some-generated-id">

p.update(name: "Vasya")
=> #<Profile:instance @name="Vasya", @sorm_id="some-generated-id">