[ TonTon Auth ]

lib/tonton_web/auth.rb

@@ -0,0 +1,73 @@
+require 'pathname'
+require 'sqlite3'
+require 'bcrypt'
+
+module TonTonWeb
+	User = Struct.new(:id, :name, :username, :email, :password_digest)
+
+	class Auth
+		attr_reader :root
+
+		def initialize root_path
+			@root = Pathname.new root_path
+
+			@db = SQLite3::Database.new(@root+ 'database.sqlite')
+		end
+
+		def create_tables
+			@db.execute "create table users (id integer primary key, name text, username text, email text, password_digest text);"
+		end
+
+		def create_user **options
+			name = options.fetch :name
+			username = options.fetch :username
+			email = options.fetch :email
+			password = options.fetch :password
+
+			# Assert user doesn't exists
+
+			hashed_password = BCrypt::Password.create(password)
+
+			@db.execute(
+				"insert into users (name, username, email, password_digest) values (?,?,?,?);",
+				[name, username, email, password]
+			)
+
+			return # Return user
+		end
+
+		def delete_user id
+			@db.execute "delete from users where id = ?;", id
+		end
+
+		def find_user **options
+			name = options[:name]
+			username = options[:username]
+			email = options[:email]
+
+			if not (name or username or email)
+				raise "No options to find user."
+			end
+
+			user = nil
+
+			user_query_template = "select id, name, username, email, password_digest from users where name = ? or username = ? or email = ?"
+
+			@db.execute(user_query_template, [name, username, email]) do |row|
+				user = TonTonWeb::User.new(*row)
+			end
+
+			return user
+		end
+
+		def authenticate username, password
+			user = find_user(username: username)
+
+			if BCrypt::Password.new(user.password_digest) == password
+				return user
+			else
+				return false
+			end
+		end
+	end
+end