From 8a0d78fbf448ed607e0a48973d936ceed79ad43e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?John=20Ankarstr=C3=B6m?= <john@ankarstrom.se>
Date: Mon, 1 Mar 2021 22:02:18 +0100
Subject: Add ActiveRecord models and migrations

---
 db/comment.rb | 20 ++++++++++++++++++++
 db/config.rb  | 17 +++++++++++++++++
 db/init.rb    | 11 +++++++++++
 db/post.rb    | 18 ++++++++++++++++++
 db/tag.rb     | 26 ++++++++++++++++++++++++++
 5 files changed, 92 insertions(+)
 create mode 100644 db/comment.rb
 create mode 100644 db/config.rb
 create mode 100644 db/init.rb
 create mode 100644 db/post.rb
 create mode 100644 db/tag.rb

diff --git a/db/comment.rb b/db/comment.rb
new file mode 100644
index 0000000..b3977f6
--- /dev/null
+++ b/db/comment.rb
@@ -0,0 +1,20 @@
+class Comment < ActiveRecord::Base
+  belongs_to :post
+  validates_presence_of :date
+  validates_presence_of :author
+  validates_presence_of :email
+  validates_format_of :email, with: /@/
+  validates_presence_of :body
+end
+
+class CreateCommentTable < ActiveRecord::Migration[6.0]
+  def change
+    create_table :comments do |t|
+      t.references :post, foreign_key: true, index: true
+      t.string :author, null: false
+      t.string :email, null: false
+      t.string :body, null: false
+      t.timestamps
+    end
+  end
+end
diff --git a/db/config.rb b/db/config.rb
new file mode 100644
index 0000000..55b4106
--- /dev/null
+++ b/db/config.rb
@@ -0,0 +1,17 @@
+class Config < ActiveRecord::Base
+  self.table_name = 'config'
+  validates_presence_of :title
+  validates_presence_of :timezone
+  validates_presence_of :postsperpage
+end
+
+class CreateConfigTable < ActiveRecord::Migration[6.0]
+  def change
+    create_table :config do |t|
+      t.string :title, null: false
+      t.string :subtitle
+      t.string :timezone, null: false
+      t.integer :postsperpage, null: false
+    end
+  end
+end
diff --git a/db/init.rb b/db/init.rb
new file mode 100644
index 0000000..7c08faf
--- /dev/null
+++ b/db/init.rb
@@ -0,0 +1,11 @@
+require 'active_record'
+
+ActiveRecord::Base.establish_connection(
+  adapter: 'sqlite3',
+  database: 'db.sqlite3'
+)
+
+require_relative 'config'
+require_relative 'comment'
+require_relative 'post'
+require_relative 'tag'
diff --git a/db/post.rb b/db/post.rb
new file mode 100644
index 0000000..1d44051
--- /dev/null
+++ b/db/post.rb
@@ -0,0 +1,18 @@
+class Post < ActiveRecord::Base
+  has_many :comments
+  has_many :tags, through: :post_tag_links
+  
+  validates_presence_of :title
+  validates_presence_of :body
+end
+
+class CreatePostTable < ActiveRecord::Migration[6.0]
+  def change
+    create_table :posts do |t|
+      t.string :title, null: false
+      t.string :body, null: false
+      t.boolean :locked, default: false
+      t.timestamps
+    end
+  end
+end
diff --git a/db/tag.rb b/db/tag.rb
new file mode 100644
index 0000000..7f3446c
--- /dev/null
+++ b/db/tag.rb
@@ -0,0 +1,26 @@
+class PostTagLink < Active::Base
+  belongs_to :post
+  belongs_to :tag
+end
+
+class CreatePostTagLinkTable < ActiveRecord::Migration[6.0]
+  def change
+    create_table :post_tag_links do |t|
+      t.references :post, foreign_key: true, index: true
+      t.references :tag, foreign_key: true, index: true
+    end
+  end
+end
+
+class Tag < ActiveRecord::Base
+  belongs_to :post
+  validates_presence_of :name
+end
+
+class CreateTagTable < ActiveRecord::Migration[6.0]
+  def change
+    create_table :tags do |t|
+      t.string :name, null: false
+    end
+  end
+end
-- 
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