personal_plugin_generator/app/models/personal_plugin_field.rb

class PersonalPluginField
	include Mongoid::Document
	include Mongoid::Timestamps
	include OrbitModel::Status
  	include MemberHelper
    field :author_name, :type => String, :default => "",:localize => true
    field :title, :type => String, :default => "",:localize => true
    field :module_name, :type => String, :default => ""
    field :primary_modal_name, :type => String, :default => ""
    field :related_modal_name, :type => Array, :default => []
    field :primary_modal_fields, :type => Array, :default => []
    field :related_modal_fields, :type => Array, :default => [] #ex: [[],[]]
    field :backend_fields, :type => Hash, :default => {}
    field :frontend_fields, :type => Hash, :default => {}
    field :log_text, :type => String, :default => ""
    field :fields_order, :type => Hash, :default => {}
    field :copy_id
    before_save :change_extensions,:check_modal_name,:auto_add_display_fields
    after_destroy do
        delete_plugin("downloaded_extensions.rb",self.module_name)
        restart_server
    end
    before_create do
        if self.copy_id
            copy_item = self.class.find(copy_id) rescue nil
            if !copy_item.nil?
                self.backend_fields = copy_item.backend_fields
                self.frontend_fields = copy_item.frontend_fields
                self.fields_order = copy_item.fields_order
            end
        end
    end
    def get_all_gem_plugins
        extention_files = ["downloaded_extensions.rb","built_in_extensions.rb"]
        gem_plugins = extention_files.map{|f| (File.read(f).scan(/\n\s*gem\s*["'](.*)["']\s*,/).flatten rescue [])}.flatten
    end
    def check_plugin_exist
        gem_plugins = get_all_gem_plugins
        can_install = !gem_plugins.include?(self.module_name)
        can_install = (self.class.where(:module_name=>self.module_name,:id.ne=>self.id).count == 0 rescue false) if !can_install
        return can_install
    end
    def change_extensions
        if !check_plugin_exist
            return false
        else
            extention_file = "downloaded_extensions.rb"
            if self.module_name_changed?
                if self.module_name_was.present?
                    delete_plugin(extention_file,module_name_was)
                end
            end
            return true
        end
    end
    def delete_plugin(extention_file,plugin_name)
        txt = File.read(extention_file) rescue nil
        return if txt.nil?
        txt_change = txt.gsub(/^[\n]*gem\s*["']#{plugin_name}["'].*\n/,'')
        if txt_change != txt
            File.open(extention_file,'w+') do |f|
                f.write(txt_change)
            end
        end
    end
    def check_modal_name
        primary_modal_names = self.class.where(:id.ne=>self.id).pluck(:primary_modal_name)
        related_modal_names = self.class.where(:id.ne=>self.id).pluck(:related_modal_name).flatten.uniq
        other_modal_names = primary_modal_names + related_modal_names
        all_modal_names = self.class.get_modal_names_cache
        except_modals = Dir.glob("tmp/#{self.module_name}/app/models/*.rb").map{|f| 
            fn = File.basename(f)
            fn.slice(0,fn.length - 3)
        }
        all_modal_names = all_modal_names - except_modals
        all_modal_names = all_modal_names + other_modal_names
        all_modal_names = all_modal_names.uniq
        self_modal_names = ([self.primary_modal_name]+self.related_modal_name).flatten
        if self_modal_names.select{|n| all_modal_names.include?(n)}.count != 0
            return false
        end
    end
    def auto_add_display_fields
        change_primary_fields = self.primary_modal_fields.map{|f| f["field_name"]} - self.primary_modal_fields_was.map{|f| f["field_name"]}
        change_related_fields = []
        self.related_modal_fields.each_with_index do |field_values,i|
            old_field_values = self.related_modal_fields_was[i].to_a rescue []
            related_modal_name = self.related_modal_name[i].to_s
            change_related_fields = change_related_fields + (field_values.map{|f| f["field_name"]} - old_field_values.map{|f| f["field_name"]}).select{|f| f.present?}.map{|f| "#{related_modal_name}.#{f}"}
        end
        change_fields = change_primary_fields + change_related_fields
        change_fields = change_fields.select{|f| f.present?}
        if change_fields.count > 0
            ["index","profile"].each do |f|
                self.backend_fields[f] = self.backend_fields[f].to_a + change_fields
            end
            ["index","show","member_show"].each do |f|
                self.frontend_fields[f] = self.frontend_fields[f].to_a + change_fields
            end
        end
    end
    def self.get_modal_names
        name_routes = Rails.application.routes.named_routes.map{|k,v| k}.select{|s| s.to_s[0..4] == "admin"}.map{|s| s.to_s.split('admin_').last}
        modal_names = name_routes.map{|n| n.classify}.select{|n| (n.constantize rescue nil)}
        modal_names = modal_names.map{|n| n.constantize}.select{|n| n.class == Class }.uniq
        @@modal_names = modal_names.map{|n| n.to_s.underscore}
    end
    def self.get_modal_names_cache
        @@modal_names ||= get_modal_names
    end
    def restart_server
        %x(kill -s USR2 `cat tmp/pids/unicorn.pid`)
        sleep 2
    end
end