Class: Google::Genai::ApiClient

Inherits:
Object
  • Object
show all
Defined in:
lib/google/genai/api_client.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(api_key: nil, vertexai: nil, project: nil, location: nil, http_options: nil) ⇒ ApiClient 



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# File 'lib/google/genai/api_client.rb', line 15

def initialize(api_key: nil, vertexai: nil, project: nil, location: nil, http_options: nil)
  @api_key = api_key
  @vertexai = vertexai
  @http_options = http_options || {}

  base_url = if @vertexai
               # TODO: Handle global location
               "https://#{location}-aiplatform.googleapis.com/"
             else
               "https://generativelanguage.googleapis.com/"
             end

  @connection = Faraday.new(url: base_url) do |faraday|
    faraday.request :retry
    faraday.headers['Content-Type'] = 'application/json'
    if @api_key
      faraday.headers['x-goog-api-key'] = @api_key
    elsif @vertexai
      scopes = ['https://www.googleapis.com/auth/cloud-platform']
      authorizer = Google::Auth.get_application_default(scopes)
      faraday.request :authorization, 'Bearer', -> { authorizer.fetch_access_token!['access_token'] }
    end
  end
end

Instance Attribute Details

#api_key ⇒ Object (readonly)

Returns the value of attribute api_key.



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# File 'lib/google/genai/api_client.rb', line 13

def api_key
  @api_key
end

#vertexai ⇒ Object (readonly)

Returns the value of attribute vertexai.



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# File 'lib/google/genai/api_client.rb', line 13

def vertexai
  @vertexai
end

Instance Method Details

#delete(path) ⇒ Object 



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# File 'lib/google/genai/api_client.rb', line 87

def delete(path)
  request(:delete, path)
end

#get(path) ⇒ Object 



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# File 'lib/google/genai/api_client.rb', line 83

def get(path)
  request(:get, path)
end

#request(http_method, path, body: nil) ⇒ Object 



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# File 'lib/google/genai/api_client.rb', line 76

def request(http_method, path, body: nil)
  response = @connection.send(http_method, path) do |req|
    req.body = body.to_json if body
  end
  handle_response(response)
end

#upload_file(file_path, file_size, mime_type, display_name: nil) ⇒ Object 



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# File 'lib/google/genai/api_client.rb', line 40

def upload_file(file_path, file_size, mime_type, display_name: nil)
  # 1. Start resumable upload
  start_upload_headers = {
    "X-Goog-Upload-Protocol" => "resumable",
    "X-Goog-Upload-Command" => "start",
    "X-Goog-Upload-Header-Content-Length" => file_size.to_s,
    "X-Goog-Upload-Header-Content-Type" => mime_type,
    "Content-Type" => "application/json"
  }
  start_response = @connection.post("upload/v1beta/files") do |req|
    req.headers.merge!(start_upload_headers)
    req.body = { file: { display_name: display_name } }.to_json
  end

  handle_response(start_response)

  upload_url = start_response.headers["x-goog-upload-url"]

  # 2. Upload file content
  File.open(file_path, "rb") do |file|
    upload_connection = Faraday.new(url: upload_url)
    upload_response = upload_connection.post do |req|
      req.headers.merge!({
        "X-Goog-Upload-Offset" => "0",
        "X-Goog-Upload-Command" => "upload, finalize",
        "Content-Length" => file_size.to_s,
        "Content-Type" => mime_type
      })
      req.body = file.read
    end
    
    handle_response(upload_response)
    return JSON.parse(upload_response.body)
  end
end