Class: RailsAi::ImageContext

Inherits:
Object
  • Object
show all
Defined in:
lib/rails_ai/image_context.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(image_data, metadata: {}) ⇒ ImageContext

Returns a new instance of ImageContext.



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# File 'lib/rails_ai/image_context.rb', line 7

def initialize(image_data, metadata: {})
  @metadata = metadata || {}
  @source = determine_source(image_data)
  @dimensions = extract_dimensions(image_data)
  @file_size = extract_file_size(image_data)
  @format = extract_format(image_data)
  @created_at = current_time
end

Instance Attribute Details

#created_at ⇒ Object (readonly)

Returns the value of attribute created_at.



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# File 'lib/rails_ai/image_context.rb', line 5

def created_at
  @created_at
end

#dimensions ⇒ Object (readonly)

Returns the value of attribute dimensions.



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# File 'lib/rails_ai/image_context.rb', line 5

def dimensions
  @dimensions
end

#file_size ⇒ Object (readonly)

Returns the value of attribute file_size.



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# File 'lib/rails_ai/image_context.rb', line 5

def file_size
  @file_size
end

#format ⇒ Object (readonly)

Returns the value of attribute format.



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# File 'lib/rails_ai/image_context.rb', line 5

def format
  @format
end

#metadata ⇒ Object (readonly)

Returns the value of attribute metadata.



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# File 'lib/rails_ai/image_context.rb', line 5

def metadata
  @metadata
end

#source ⇒ Object (readonly)

Returns the value of attribute source.



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# File 'lib/rails_ai/image_context.rb', line 5

def source
  @source
end

Class Method Details

.extract_file_metadata(image_file) ⇒ Object 



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# File 'lib/rails_ai/image_context.rb', line 103

def self.extract_file_metadata(image_file)
  {
    filename: image_file.respond_to?(:original_filename) ? image_file.original_filename : 'unknown',
    content_type: image_file.respond_to?(:content_type) ? image_file.content_type : 'unknown'
  }
end

.from_base64(image_data) ⇒ Object 



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# File 'lib/rails_ai/image_context.rb', line 40

def self.from_base64(image_data)
  new(image_data, metadata: { encoding: 'base64' })
end

.from_file(image_file) ⇒ Object 



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# File 'lib/rails_ai/image_context.rb', line 32

def self.from_file(image_file)
  new(image_file, metadata: extract_file_metadata(image_file))
end

.from_url(image_url) ⇒ Object 



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# File 'lib/rails_ai/image_context.rb', line 36

def self.from_url(image_url)
  new(image_url, metadata: { url: image_url })
end

Instance Method Details

#analysis_ready? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rails_ai/image_context.rb', line 28

def analysis_ready?
  dimensions.present? && format.present?
end

#to_h ⇒ Object 



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# File 'lib/rails_ai/image_context.rb', line 16

def to_h
  {
    source: source,
    dimensions: dimensions,
    file_size: file_size,
    format: format,
    created_at: created_at.iso8601,
    metadata: metadata,
    analysis_ready: analysis_ready?
  }
end