Class: SwarmMemory::Core::MetadataExtractor

Inherits:
Object
  • Object
show all
Defined in:
lib/swarm_memory/core/metadata_extractor.rb

Overview

Extracts structured metadata from memory entries

This class wraps FrontmatterParser and provides additional metadata extraction logic specific to the memory system.

Class Method Summary collapse

Class Method Details

.extract(content) ⇒ Hash

Extract all metadata from a memory entry

Examples:

metadata = MetadataExtractor.extract(content)
metadata[:confidence] # => "high"
metadata[:type] # => "concept"
metadata[:tags] # => ["ruby", "testing"]

Parameters:

  • content (String) —

    Full entry content

Returns:

  • (Hash) —

    Extracted metadata



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# File 'lib/swarm_memory/core/metadata_extractor.rb', line 21

def extract(content)
  FrontmatterParser.extract_metadata(content)
end

.has_required_frontmatter?(content) ⇒ Boolean

Check if entry has required frontmatter for quality

Parameters:

  • content (String) —

    Full entry content

Returns:

  • (Boolean) —

    True if entry has basic required fields



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# File 'lib/swarm_memory/core/metadata_extractor.rb', line 29

def has_required_frontmatter?(content)
  metadata = extract(content)
  !metadata[:type].nil? && !metadata[:confidence].nil?
end

.quality_score(content) ⇒ Integer

Calculate entry quality score (0-100)

Parameters:

  • content (String) —

    Full entry content

Returns:

  • (Integer) —

    Quality score



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# File 'lib/swarm_memory/core/metadata_extractor.rb', line 38

def quality_score(content)
  metadata = extract(content)
  score = 0

  # Has type (20 points)
  score += 20 if metadata[:type]

  # Has confidence (20 points)
  score += 20 if metadata[:confidence]

  # Has tags (15 points)
  score += 15 unless metadata[:tags].empty?

  # Has related links (15 points)
  score += 15 unless metadata[:related].empty?

  # Has domain (10 points)
  score += 10 if metadata[:domain]

  # Has last_verified (10 points)
  score += 10 if metadata[:last_verified]

  # High confidence bonus (10 points)
  score += 10 if metadata[:confidence] == "high"

  score
end