From 864769e70aff577bb7d350d40e55e1fc6050c2d5 Mon Sep 17 00:00:00 2001
From: Artemiy Solopov <a.solopov.001@gmail.com>
Date: Sun, 22 Jun 2025 18:31:03 +0300
Subject: [PATCH] Project create

---
 app/controllers/projects_controller.rb | 19 ++++++++++++++++++-
 app/models/project.rb                  | 11 +++++++++++
 app/views/projects/new.html.slim       |  3 +++
 3 files changed, 32 insertions(+), 1 deletion(-)
 create mode 100644 app/views/projects/new.html.slim

diff --git a/app/controllers/projects_controller.rb b/app/controllers/projects_controller.rb
index 37bb441..8be156c 100644
--- a/app/controllers/projects_controller.rb
+++ b/app/controllers/projects_controller.rb
@@ -8,11 +8,24 @@ class ProjectsController < ApplicationController
   def show
   end
 
+  def new
+    @project = Project.new
+  end
+
+  def create
+    @project = Project.new(project_params)
+    if @project.save
+      redirect_to @project
+    else
+      render :new, status: :unprocessable_entity
+    end
+  end
+
   def edit
   end
 
   def update
-    if @project.update(params.expect(project: %i[code name description]))
+    if @project.update(project_params)
       redirect_to @project
     else
       render :edit, status: :unprocessable_entity
@@ -27,4 +40,8 @@ class ProjectsController < ApplicationController
   def fetch_project!
     @project = Project.find_by!(code: params[:id])
   end
+
+  def project_params
+    params.expect(project: %i[code name description])
+  end
 end
diff --git a/app/models/project.rb b/app/models/project.rb
index 2ade3d6..834b3f0 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -1,12 +1,23 @@
 class Project < ApplicationRecord
   validates :name, :code, presence: true
+  validates :code, exclusion: { in: %w[new] }, uniqueness: true
 
   has_many :tasks
 
   has_rich_text :description
 
+  before_validation :lowercase_code
+
   def to_param
     return unless id
     code
   end
+
+  private
+
+  def lowercase_code
+    return if code.blank?
+
+    self.code = self.code.downcase
+  end
 end
diff --git a/app/views/projects/new.html.slim b/app/views/projects/new.html.slim
new file mode 100644
index 0000000..707bec8
--- /dev/null
+++ b/app/views/projects/new.html.slim
@@ -0,0 +1,3 @@
+h1 New project
+
+= render 'form'