Created
August 21, 2020 16:21
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# app/models/topic.rb | |
class Topic < ApplicationRecord | |
self.table_name = 'topic' | |
## Associations | |
has_many :posts | |
## Validations | |
validates :name, presence: true | |
end | |
# app/models/post.rb | |
class Post < ApplicationRecord | |
self.table_name = 'post' | |
## Associations | |
belongs_to :topic | |
## Validations | |
validates :title, presence: true | |
validates :text, presence: true | |
end | |
# db/schema.rb | |
ActiveRecord::Schema.define(version: 1) do | |
create_table "topic", force: :cascade do |t| | |
t.string "name", limit: 255, null: false | |
end | |
create_table "post", force: :cascade do |t| | |
t.bigint "topic_id", null: false | |
t.text "title", null: false | |
t.text "text", null: false | |
t.index ["topic_id"], name: "index_post_on_topic_id" | |
end | |
add_foreign_key "post", "topic" | |
end |
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