Class: Localtower::Plugins::Capture

Inherits:
Object
  • Object
show all
Defined in:
lib/localtower/plugins/capture.rb

Constant Summary collapse

LOG_FILE = 
lambda { "#{Rails.root}/log/localtower_capture.log" }
LOG_PATH = 
lambda { "#{Rails.root}/log" }
EXCLUDE_INSTANCE_VARIABLES = 
[
  "@_action_has_layout",
  "@_routes",
  "@_headers",
  "@_status",
  "@_request",
  "@__react_component_helper",
  "@_response",
  "@_env",
  "@env",
  "@controller",
  "@_lookup_context",
  "@_action_name",
  "@_response_body",
]

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(context = nil, context_binding = nil) ⇒ Capture

Returns a new instance of Capture.



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# File 'lib/localtower/plugins/capture.rb', line 49

def initialize(context = nil, context_binding = nil)
  @context = context # self
  @context_binding = context_binding # binding
end

Class Method Details

.log_from_md5(md5) ⇒ Object 



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# File 'lib/localtower/plugins/capture.rb', line 31

def log_from_md5(md5)
  file = Dir["#{Localtower::Plugins::Capture::LOG_PATH.call}/localtower*#{md5}*"][0]
  JSON.parse(open(file).read)
end

.printable(content) ⇒ Object 



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# File 'lib/localtower/plugins/capture.rb', line 23

def printable(content)
  if content.respond_to?(:to_json)
    JSON.pretty_generate(content)
  else
    content.to_s
  end
end

.type_of(value) ⇒ Object 



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# File 'lib/localtower/plugins/capture.rb', line 36

def type_of(value)
  if value.instance_of?(Float); return Float.to_s; end;
  if value.instance_of?(Integer); return Integer.to_s; end;
  if value.instance_of?(String); return String.to_s; end;
  if value.instance_of?(Array); return Array.to_s; end;
  if value.instance_of?(Hash); return Hash.to_s; end;
  if value.instance_of?(ApplicationController); return ApplicationController.to_s; end;
  if value.instance_of?(NilClass); return NilClass.to_s; end;

  nil
end

Instance Method Details

#clear ⇒ Object 



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# File 'lib/localtower/plugins/capture.rb', line 172

def clear
  Dir["#{LOG_PATH.call}/localtower_capture_*.json"].each do |file|
    File.delete(file)
  end

  self
end

#klass_name ⇒ Object 



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# File 'lib/localtower/plugins/capture.rb', line 162

def klass_name
  value = if @context.class == "Class"
    @context
  else
    @context.class
  end

  value.to_s
end

#log(str) ⇒ Object 



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# File 'lib/localtower/plugins/capture.rb', line 192

def log(str)
  my_logger.info(str)
end

#logs ⇒ Object 



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# File 'lib/localtower/plugins/capture.rb', line 54

def logs
  list = []

  Dir["#{LOG_PATH.call}/localtower_capture_*.json"].each do |file|
    json = JSON.parse(open(file).read)
    list << json
  end

  list
end

#my_logger ⇒ Object 



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# File 'lib/localtower/plugins/capture.rb', line 65

def my_logger
  @@my_logger ||= Logger.new(LOG_FILE.call)
  @@my_logger.formatter = proc do |severity, datetime, progname, msg|
    "#{msg}\n"
  end

  @@my_logger
end

#save ⇒ Object 



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# File 'lib/localtower/plugins/capture.rb', line 180

def save
  # We don't want to save logs in production:
  return nil if Rails.env.production?

  self.clear

  data = self.values
  file = "#{LOG_PATH.call}/localtower_capture_#{data['md5']}.json"

  File.open(file, 'w') { |f| f.write(data.to_json) }
end

#values ⇒ Object 



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# File 'lib/localtower/plugins/capture.rb', line 74

def values
  hash = {}

  callers = @context.send(:caller)
  a = callers[1] # xx/xx/app/controllers/clients/events_controller.rb:57:in `new'
  a = a.split(Rails.root.to_s).last # events_controller.rb:57:in `new'
  a = a.split("\:")


  file = a[0].strip
  line_number = a[1].strip
  method = a[2].strip.gsub("in \`", "").gsub("\'", "")

  sublime_path = "#{callers[1].split(":")[0]}:#{line_number}"

  hash["class"] = self.klass_name
  hash["file_name"] = file
  hash["file"] = "#{file}##{method}:#{line_number}"
  hash["line_number"] = line_number
  hash["method"] = method
  hash["md5"] = Digest::MD5.hexdigest(hash["file"])
  hash["type"] = "CAPTURE_METHOD"
  hash["time"] = Time.now.utc.strftime('%Y-%m-%d %H:%M:%S.%L')

  variables = []

  @context_binding.local_variables.each do |var|
    next if EXCLUDE_INSTANCE_VARIABLES.include?(var.to_s)

    value = @context_binding.local_variable_get(var)
    klass = self.class.type_of(value)

    data = {
      type: 'CAPTURE',
      time: Time.now.utc.strftime('%Y-%m-%d %H:%M:%S.%L'),
      event_name: var,
      identifier: nil,
      returned: value,
      meta: {
        from_klass: hash["class"],
        from_method: hash["method"],
        klass: klass.to_s,
        method: method.to_s,
        callers: callers,
        sublime_path: sublime_path,
        file: hash["file"],
        line: line_number
      }
    }

    variables << data
  end

  @context.instance_variables.each do |var|
    next if EXCLUDE_INSTANCE_VARIABLES.include?(var.to_s)

    value = @context.instance_variable_get(var.to_sym)
    klass = self.class.type_of(value)

    data = {
      type: 'CAPTURE',
      time: Time.now.utc.strftime('%Y-%m-%d %H:%M:%S.%L'),
      event_name: var,
      identifier: nil,
      returned: value,
      meta: {
        from_klass: hash["class"],
        from_method: hash["method"],
        klass: klass.to_s,
        method: method.to_s,
        # arguments: data[:arguments],
        callers: callers,
        # table_name: data[:table_name],
        # sql: data[:sql],
        sublime_path: sublime_path,
        file: hash["file"],
        line: line_number
      }
    }

    variables << data
  end

  hash["variables"] = variables

  hash
end