add entry requests, invite new users

app/controllers/requests_controller.rb

@@ -0,0 +1,75 @@
+class RequestsController < ApplicationController
+  def new
+    @entry = Entry.new
+
+    if current_user
+      @pending_count = current_user.requested_entries.where(status: [ :requested, :approved ]).count
+    elsif params[:email].present?
+      @pending_count = User.find_by(email: params[:email])&.requested_entries&.where(status: [ :requested, :approved ])&.count || 0
+    else
+      @pending_count = 0
+    end
+  end
+
+  def create
+    # If user is logged in, use their account
+    if current_user
+      @user = current_user
+    else
+      # Anonymous submission - need to find or create user
+      email = request_params[:email]
+      existing_user = User.find_by(email: email)
+
+      # Check if user has already accepted an invitation
+      if existing_user&.invitation_accepted_at.present?
+        redirect_to login_path, alert: "An account with this email already exists. Please log in."
+        return
+      end
+
+      # Use existing pending user or create new one
+      @user = existing_user || User.new(
+        name: request_params[:name],
+        email: email,
+        password: SecureRandom.alphanumeric(32),
+        role: :contributor
+      )
+    end
+
+    # Create entry in a transaction
+    ActiveRecord::Base.transaction do
+      # Save user only if it's a new record
+      if @user.new_record? && !@user.save
+        @pending_count = 0
+        @entry = Entry.new(entry_params)
+        flash.now[:alert] = "There was an error submitting your request. Please check the form."
+        render :new, status: :unprocessable_entity
+        raise ActiveRecord::Rollback
+        return
+      end
+
+      # Create entry
+      @entry = Entry.new(entry_params)
+      @entry.status = :requested
+      @entry.requested_by = @user
+
+      if @entry.save
+        redirect_to root_path, notice: "Thank you for your request! We'll review it and get back to you soon."
+      else
+        @pending_count = 0
+        flash.now[:alert] = "There was an error submitting your request. Please check the form."
+        render :new, status: :unprocessable_entity
+        raise ActiveRecord::Rollback
+      end
+    end
+  end
+
+  private
+
+  def request_params
+    params.require(:entry).permit(:name, :email, :category, :fi, :en, :sv, :no, :ru, :de, :notes)
+  end
+
+  def entry_params
+    request_params.except(:name, :email)
+  end
+end