feat: Add backend APIs for Dyte integration (#6197)

- The backend changes required for Dyte Integration.

app/controllers/api/v1/accounts/integrations/dyte_controller.rb

@@ -0,0 +1,48 @@
+class Api::V1::Accounts::Integrations::DyteController < Api::V1::Accounts::BaseController
+  before_action :fetch_conversation, only: [:create_a_meeting]
+  before_action :fetch_message, only: [:add_participant_to_meeting]
+  before_action :authorize_request
+
+  def create_a_meeting
+    render_response(dyte_processor_service.create_a_meeting(Current.user))
+  end
+
+  def add_participant_to_meeting
+    if @message.content_type != 'integrations'
+      return render json: {
+        error: I18n.t('errors.dyte.invalid_message_type')
+      }, status: :unprocessable_entity
+    end
+
+    render_response(
+      dyte_processor_service.add_participant_to_meeting(@message.content_attributes['data']['meeting_id'], Current.user)
+    )
+  end
+
+  private
+
+  def authorize_request
+    authorize @conversation.inbox, :show?
+  end
+
+  def render_response(response)
+    render json: response, status: response[:error].blank? ? :ok : :unprocessable_entity
+  end
+
+  def dyte_processor_service
+    Integrations::Dyte::ProcessorService.new(account: Current.account, conversation: @conversation)
+  end
+
+  def permitted_params
+    params.permit(:conversation_id, :message_id)
+  end
+
+  def fetch_conversation
+    @conversation = Current.account.conversations.find_by!(display_id: permitted_params[:conversation_id])
+  end
+
+  def fetch_message
+    @message = Current.account.messages.find(permitted_params[:message_id])
+    @conversation = @message.conversation
+  end
+end