forms as sections with cards, error and app handling

app/controllers/merged/form_controller.rb

@@ -0,0 +1,66 @@
+module Merged
+  class FormController < MergedController
+
+    def sendit
+      @section = Section.find( params[:section_id] )
+      @errors = { }
+      return if bot_alert
+      check_maths
+      verify_data
+      if( @errors.length > 0)
+        render :form
+      else
+        dispatch_form_data( )
+        redirect_to main_app.root_url , notice: @section.option("ok_message")
+      end
+    end
+
+    private
+
+    def dispatch_form_data
+      puts "Dispatch data"
+      data = {}
+      @section.cards.each do |card|
+        data[card.header] = params[card.header]
+      end
+      if(@section.has_option?("handler") )
+        puts "Sending data"
+        @section.option("handler").constantize.new.handle_form(@section, data)
+      end
+    end
+
+    def verify_data
+      @section.cards.each do |card|
+        check_option( card , params[card.header])
+      end
+    end
+    def check_option(card , value)
+      return unless value.blank?
+      puts "Checking #{card.header} #{value}"
+      compulsory = card.option("compulsory") == "yes"
+      return unless compulsory
+      # check different types
+      @errors[card.header] = "May not be blank"
+    end
+
+    def check_maths
+      key = params[:bot_fudder].to_i / 2
+      if( (2*key + 1).to_s != params[:challenge])
+        @errors[:challenge] = "Check the maths #{key.to_i} #{params[:challenge]}"
+      end
+    end
+
+    def bot_alert
+      if @section.nil?
+        head :ok
+        return true
+      end
+      key = params[:bot_fudder]
+      if key.to_i.to_s != key
+        head :ok
+        return true
+      end
+      return false
+    end
+  end
+end

app/helpers/merged/merged_helper.rb

@@ -3,7 +3,7 @@ require "redcarpet"
 module Merged
   module MergedHelper
     @@renderer = nil
-    
+
     def renderer
       return @@renderer unless @@renderer.nil?
       options = {hard_wrap: true , autolink: true, no_intra_emphasis: true ,

app/views/merged/form/form.haml

@@ -0,0 +1,9 @@
+.flex.flex-col.m-20
+  .flex.items-center.justify-center.flex-1
+  - @errors.each do |name , message|
+    .m-5.rounded.border-l-4.border-green-500.bg-red-50.p-4
+      %strong.font-medium.text-red-700= name.capitalize
+      .mt-2.text-sm.text-red-700= message
+
+- template = find_template(@section)
+= render( template , section: @section)

app/views/merged/view/_form_section.haml

@@ -6,9 +6,16 @@
         = markdown(section)
   .flex.items-center.justify-start.bg-white
     .mx-auto.w-full.max-w-4xl{class: "max-w-[50%]"}
-      %form.mt-10{:action => "https://api.web3forms.com/submit"}
+      = form_tag( form_sendit_path , {class: "mt-10" }) do
+        - challenge = rand(8)
+        = hidden_field_tag :section_id , section.id
+        = hidden_field_tag :bot_fudder , "#{challenge*2}"
         .grid.gap-6.md:grid-cols-2
           - template = "merged/view/cards/" + section.card_template
           - section.cards.each do |card|
             = render( template , card: card)
-        %button.mt-5.rounded-md.bg-cyan-700.px-10.py-2.text-white{:type => "submit"} Send
+        .grid.gap-6.md:grid-cols-2
+          .relative.z-0.mt-10
+            %input.peer.block.w-full.appearance-none.border-0.border-b.border-gray-500.bg-transparent.px-0.text-sm.text-gray-900.focus:border-blue-600.focus:outline-none.focus:ring-0{:class => "py-2.5", :name => "challenge", :placeholder => " ", :type => "text"}
+            %label.absolute.top-3.-z-10.-translate-y-6.scale-75.transform.text-sm.text-gray-500.duration-300.peer-placeholder-shown:translate-y-0.peer-placeholder-shown:scale-100.peer-focus:left-0.peer-focus:-translate-y-6.peer-focus:scale-75.peer-focus:text-blue-600.peer-focus:dark:text-blue-500{:class => "origin-[0]"}Anti bot question: #{challenge} + #{challenge + 1} is
+          %button.mt-10.rounded-md.bg-cyan-700.px-20.py-2.text-white{:type => "submit"} Send

app/views/merged/view/cards/_form_field.haml

@@ -1,8 +1,8 @@
 -if card.option("form_type") == "message"
   .relative.z-0.col-span-2
-    %textarea.peer.block.w-full.appearance-none.border-0.border-b.border-gray-500.bg-transparent.px-0.text-sm.text-gray-900.focus:border-blue-600.focus:outline-none.focus:ring-0{:class => "py-2.5", :name => "message", :placeholder => " ", :rows => "5"}
+    %textarea.peer.block.w-full.appearance-none.border-0.border-b.border-gray-500.bg-transparent.px-0.text-sm.text-gray-900.focus:border-blue-600.focus:outline-none.focus:ring-0{:class => "py-2.5", :name => card.header, :placeholder => " ", :rows => "5"}=params[card.header]
     %label.absolute.top-3.-z-10.-translate-y-6.scale-75.transform.text-sm.text-gray-500.duration-300.peer-placeholder-shown:translate-y-0.peer-placeholder-shown:scale-100.peer-focus:left-0.peer-focus:-translate-y-6.peer-focus:scale-75.peer-focus:text-blue-600.peer-focus:dark:text-blue-500{:class => "origin-[0]"}= card.header
 -else
   .relative.z-0
-    %input.peer.block.w-full.appearance-none.border-0.border-b.border-gray-500.bg-transparent.px-0.text-sm.text-gray-900.focus:border-blue-600.focus:outline-none.focus:ring-0{:class => "py-2.5", :name => "email", :placeholder => " ", :type => "text"}
+    %input.peer.block.w-full.appearance-none.border-0.border-b.border-gray-500.bg-transparent.px-0.text-sm.text-gray-900.focus:border-blue-600.focus:outline-none.focus:ring-0{:class => "py-2.5", :name => card.header, :placeholder => " " , "value" => params[card.header], :type => "text"}
     %label.absolute.top-3.-z-10.-translate-y-6.scale-75.transform.text-sm.text-gray-500.duration-300.peer-placeholder-shown:translate-y-0.peer-placeholder-shown:scale-100.peer-focus:left-0.peer-focus:-translate-y-6.peer-focus:scale-75.peer-focus:text-blue-600.peer-focus:dark:text-blue-500{:class => "origin-[0]"}= card.header

config/merged/option.yaml

@@ -70,11 +70,21 @@
 - name: compulsory
   desciption:
     Form fields may be compulsory or not. By default they are.
-  values: on off
+  values: yes no
-  default: off
+  default: yes
 - name: form_type
   desciption:
     Form fields may have a type for special handling. The default is text
     but message would be a longer text, and email checked to be a name.
   values: text message email phone date
   default: text
+- name: ok_message
+  desciption:
+    Message shown to the user when a form was submitted
+  values:
+  default:
+- name: handler
+  desciption:
+    Form handler
+  values: FormHandler
+  default: FormHandler

config/merged/section_style.yaml

@@ -82,5 +82,7 @@
     - header
     - text
   options:
+    - ok_message
+    - handler
     - background
     - color

config/routes.rb

@@ -4,6 +4,8 @@ Merged::Engine.routes.draw do
   post 'changes/commit'
   get "styles/index"
 
+  post 'form/sendit'
+
   resources :pages , except: [:show , :new] , shallow: true  do
     resources :sections do
       get :select_image