Created
June 1, 2018 08:55
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require 'rom-repository' | |
rom = ROM.container(:sql, 'sqlite::memory') do |config| | |
config.default.create_table(:users) do | |
primary_key :id | |
column :name, String, null: false | |
column :email, String, null: false | |
end | |
config.default.create_table(:tasks) do | |
primary_key :id | |
foreign_key :user_id, :users | |
column :title, String, null: false | |
end | |
config.default.create_table(:task_details) do | |
primary_key :id | |
foreign_key :task_id, :tasks | |
column :content, String, null: false | |
end | |
config.relation(:users) do | |
schema(infer: true) do | |
associations do | |
has_many :tasks | |
end | |
end | |
end | |
config.relation(:tasks) do | |
schema(infer: true) do | |
associations do | |
belongs_to :user | |
has_many :task_details | |
end | |
end | |
end | |
config.relation(:task_details) do | |
schema(infer: true) do | |
associations do | |
belongs_to :task | |
end | |
end | |
end | |
end | |
class UserRepo < ROM::Repository[:users] | |
relations :tasks | |
relations :task_details | |
def create_with_tasks(user) | |
command(:create, aggregate(tasks: :task_details)).call(user) | |
end | |
end | |
class TaskRepo < ROM::Repository[:tasks] | |
relations :task_details | |
end | |
user_repo = UserRepo.new(rom) | |
require 'pry' | |
binding.pry | |
user_repo.create_with_tasks( | |
name: 'Jane', | |
email: 'jane@doe.org', | |
tasks: [{ | |
title: 'Task 1', | |
task_details: { | |
content: 'Content 1' | |
} | |
}, { | |
title: 'Task 2', | |
task_details: { | |
content: 'Content 2' | |
} | |
}] | |
) |
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