Commit iniziale di eminuxCRM: CRM Rails con pipeline, campagne email e Docker.

Include autenticazione, progetti isolati, mail marketing HTML con SMTP, test A/B e editor WYSIWYG.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/controllers/projects_controller.rb

@@ -0,0 +1,45 @@
+class ProjectsController < ApplicationController
+  before_action :require_admin
+  before_action :set_project, only: %i[edit update destroy]
+  skip_before_action :set_current_project, only: %i[create], raise: false
+
+  def create
+    @project = Project.new(project_params)
+    if @project.save
+      redirect_to settings_path(project_code: @project.code), notice: "Progetto creato. Sei nell'istanza #{@project.name}."
+    else
+      redirect_to root_path(new_project: 1), alert: @project.errors.full_messages.to_sentence
+    end
+  end
+
+  def edit
+    @page_title = "Modifica progetto"
+  end
+
+  def update
+    if @project.update(project_params)
+      redirect_to(current_project ? settings_path : root_path, notice: "Progetto aggiornato.")
+    else
+      render :edit, status: :unprocessable_entity
+    end
+  end
+
+  def destroy
+    if @project.opportunities.exists?
+      redirect_to(current_project ? settings_path : root_path, alert: "Impossibile eliminare: ci sono opportunità collegate.")
+    else
+      @project.destroy!
+      redirect_to root_path, notice: "Progetto eliminato."
+    end
+  end
+
+  private
+
+  def set_project
+    @project = Project.find(params[:id])
+  end
+
+  def project_params
+    params.require(:project).permit(:name, :code, :description, :active, :position, :color)
+  end
+end