Class: FlowChat::Ussd::Middleware::Pagination

Inherits:
Object
  • Object
show all
Includes:
Instrumentation
Defined in:
lib/flow_chat/ussd/middleware/pagination.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Instrumentation

#instrument, instrument

Constructor Details

#initialize(app) ⇒ Pagination 



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# File 'lib/flow_chat/ussd/middleware/pagination.rb', line 9

def initialize(app)
  @app = app
  FlowChat.logger.debug { "Ussd::Pagination: Initialized USSD pagination middleware" }
end

Instance Attribute Details

#context ⇒ Object (readonly)

Returns the value of attribute context.



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# File 'lib/flow_chat/ussd/middleware/pagination.rb', line 7

def context
  @context
end

Instance Method Details

#call(context) ⇒ Object 



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# File 'lib/flow_chat/ussd/middleware/pagination.rb', line 14

def call(context)
  @context = context
  @session = context.session

  session_id = context["session.id"]
  FlowChat.logger.debug { "Ussd::Pagination: Processing request for session #{session_id}" }

  if intercept?
    FlowChat.logger.info { "Ussd::Pagination: Intercepting request for pagination handling - session #{session_id}" }
    type, prompt = handle_intercepted_request
    [type, prompt, []]
  else
    # Clear pagination state for new flows
    if pagination_state.present?
      FlowChat.logger.debug { "Ussd::Pagination: Clearing pagination state for new flow - session #{session_id}" }
    end
    @session.delete "ussd.pagination"

    type, prompt, choices, media = @app.call(context)

    prompt = FlowChat::Ussd::Renderer.new(prompt, choices: choices, media: media).render

    if prompt.present?
      original_length = prompt.length
      type, prompt = maybe_paginate(type, prompt)
      if prompt.length != original_length
        FlowChat.logger.info { "Ussd::Pagination: Content paginated - original: #{original_length} chars, paginated: #{prompt.length} chars" }
      end
    end

    [type, prompt, []]
  end
end