Class: LigaMagicScraper::AlertSystem

Inherits:
Object
  • Object
show all
Includes:
Loggable
Defined in:
lib/ligamagic_scraper/alerts/alert_system.rb

Instance Attribute Summary collapse

Attributes included from Loggable

#logs

Instance Method Summary collapse

Methods included from Loggable

#clear_logs, #formatted_logs, #initialize_logs, #log, #log_debug, #log_error, #log_info, #log_warning

Constructor Details

#initialize(config = {}) ⇒ AlertSystem

Returns a new instance of AlertSystem.



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# File 'lib/ligamagic_scraper/alerts/alert_system.rb', line 12

def initialize(config = {})
  initialize_logs
  @config = {
    enabled: config[:enabled] || false,
    alert_types: config[:alert_types] || [:file],
    compare_previous: config[:compare_previous] != false
  }
  @alerts = []
  
  setup_alerts if @config[:enabled]
end

Instance Attribute Details

#alerts ⇒ Object (readonly)

Returns the value of attribute alerts.



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# File 'lib/ligamagic_scraper/alerts/alert_system.rb', line 10

def alerts
  @alerts
end

#config ⇒ Object (readonly)

Returns the value of attribute config.



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# File 'lib/ligamagic_scraper/alerts/alert_system.rb', line 10

def config
  @config
end

Instance Method Details

#detect_changes(previous_data, current_data) ⇒ Object 



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# File 'lib/ligamagic_scraper/alerts/alert_system.rb', line 46

def detect_changes(previous_data, current_data)
  changes = {
    has_changes: false,
    timestamp: Time.now.iso8601,
    search_type: current_data[:search_type],
    search_term: current_data[:search_term] || current_data[:store_domain],
    new_products: [],
    removed_products: [],
    price_changes: [],
    quantity_changes: [],
    availability_changes: []
  }

  prev_products = index_products(previous_data[:products])
  curr_products = index_products(current_data[:products])

  # Detect new products
  curr_products.each do |id, product|
    unless prev_products.key?(id)
      changes[:new_products] << product
      changes[:has_changes] = true
    end
  end

  # Detect removed products
  prev_products.each do |id, product|
    unless curr_products.key?(id)
      changes[:removed_products] << product
      changes[:has_changes] = true
    end
  end

  # Detect price changes
  curr_products.each do |id, curr_product|
    if prev_products.key?(id)
      prev_product = prev_products[id]
      
      # Check price changes (works for both global and store scrapers)
      price_change = detect_price_change(prev_product, curr_product)
      if price_change
        changes[:price_changes] << price_change
        changes[:has_changes] = true
      end

      # Check quantity changes (store scraper)
      if curr_product.key?(:qtd) && prev_product.key?(:qtd)
        prev_qtd = prev_product[:qtd]
        curr_qtd = curr_product[:qtd]
        
        if prev_qtd != curr_qtd
          changes[:quantity_changes] << {
            id:,
            name: curr_product[:name],
            previous_qtd: prev_qtd,
            current_qtd: curr_qtd,
            change: curr_qtd.to_i - prev_qtd.to_i
          }
          changes[:has_changes] = true
        end
      end

      # Check availability changes (store scraper)
      if curr_product.key?(:available) && prev_product.key?(:available)
        if curr_product[:available] != prev_product[:available]
          changes[:availability_changes] << {
            id:,
            name: curr_product[:name],
            previous: prev_product[:available],
            current: curr_product[:available]
          }
          changes[:has_changes] = true
        end
      end
    end
  end

  changes
end

#process(current_data:, previous_file: nil) ⇒ Object 



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# File 'lib/ligamagic_scraper/alerts/alert_system.rb', line 24

def process(current_data:, previous_file: nil)
  return unless @config[:enabled]
  
  log_info("🔔 Alert system enabled")
  
  previous_data = load_previous_data(previous_file) if @config[:compare_previous]
  
  if previous_data
    log_info("📊 Comparing with previous scrape...")
    changes = detect_changes(previous_data, current_data)
    
    if changes[:has_changes]
      log_info("✨ Changes detected!")
      notify_all(changes)
    else
      log_info("✅ No changes detected")
    end
  else
    log_info("ℹī¸  No previous data to compare")
  end
end