Class: Seo::KeywordAnalyzer

Inherits:
BaseService show all
Defined in:
app/services/seo/keyword_analyzer.rb

Defined Under Namespace

Classes: Result

Instance Method Summary collapse

Methods inherited from BaseService

#initialize, #log_debug, #log_error, #log_info, #log_warning, #logger, #options, #tagged_logger

Constructor Details

This class inherits a constructor from BaseService

Instance Method Details

#analyze_keywords(input_data, target_keywords) ⇒ Object 



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# File 'app/services/seo/keyword_analyzer.rb', line 27

def analyze_keywords(input_data, target_keywords)
  results = Hash.new { |hash, key| hash[key] = {} }
  total_keyword_use_count = 0
  unused_keywords = []

  target_keywords.each do |keyword|
    keyword_count = 0
    input_data.each do |field, string|
      count = string.scan(/#{keyword}/i).size
      results[keyword][field] = count
      results[keyword][:total] = results[keyword][:total].to_i + count
      keyword_count += count
    end
    total_keyword_use_count += keyword_count
    unused_keywords << keyword if keyword_count == 0
  end

  [results, total_keyword_use_count, unused_keywords]
end

#process(input_data, target_keywords) ⇒ Object 



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# File 'app/services/seo/keyword_analyzer.rb', line 6

def process(input_data, target_keywords)
  return Result.new(keyword_analysis: {}, status: :skipped, total_keyword_use_count: 0, total_keyword_in_input: 0, percentage_hit_rate: 0.0, unused_keywords: []) if input_data.blank?

  @input_data = input_data.is_a?(String) ? { input_string: input_data } : input_data
  @input_data = @input_data.transform_values(&:downcase)
  @target_keywords = target_keywords
  @target_keywords = @target_keywords.split(/[,;]/) if @target_keywords.is_a?(String)
  @target_keywords = @target_keywords.map(&:strip).compact_blank.map(&:downcase) if @target_keywords.is_a?(Array)
  @keyword_analysis, total_keyword_use_count, unused_keywords = analyze_keywords(@input_data, @target_keywords)
  total_keyword_in_input = @target_keywords.size
  percentage_hit_rate = (total_keyword_use_count.to_f / total_keyword_in_input) * 100
  Result.new(
    keyword_analysis: @keyword_analysis,
    status: :ok,
    total_keyword_use_count: total_keyword_use_count,
    total_keyword_in_input: total_keyword_in_input,
    percentage_hit_rate: percentage_hit_rate,
    unused_keywords: unused_keywords
  )
end