Class: Sparkplug::Handlers::CsvData
- Inherits:
-
AbstractData
- Object
- AbstractData
- Sparkplug::Handlers::CsvData
- Defined in:
- lib/sparkplug/handlers/csv_data.rb
Overview
Reads sparkline data from CSV files. Only the first line of numbers are read. Requests for “/sparks/stats.csv” will pass a data_path of “stats.csv”
Instance Attribute Summary collapse
-
#directory ⇒ Object
Returns the value of attribute directory.
Attributes inherited from AbstractData
Instance Method Summary collapse
- #data_path=(s) ⇒ Object
- #exists? ⇒ Boolean
- #fetch {|array_of_nums| ... } ⇒ Object
-
#initialize(directory) ⇒ CsvData
constructor
A new instance of CsvData.
- #updated_at ⇒ Object
Methods inherited from AbstractData
Constructor Details
#initialize(directory) ⇒ CsvData
Returns a new instance of CsvData.
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# File 'lib/sparkplug/handlers/csv_data.rb', line 7 def initialize(directory) @directory = directory end |
Instance Attribute Details
#directory ⇒ Object
Returns the value of attribute directory.
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# File 'lib/sparkplug/handlers/csv_data.rb', line 5 def directory @directory end |
Instance Method Details
#data_path=(s) ⇒ Object
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# File 'lib/sparkplug/handlers/csv_data.rb', line 11 def data_path=(s) @data_path = s ? File.join(@directory, s) : nil end |
#exists? ⇒ Boolean
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# File 'lib/sparkplug/handlers/csv_data.rb', line 15 def exists? File.exist?(@data_path) end |
#fetch {|array_of_nums| ... } ⇒ Object
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# File 'lib/sparkplug/handlers/csv_data.rb', line 23 def fetch array_of_nums = IO.read(@data_path).split("\n").first.split(",") array_of_nums.map! { |n| n.to_i } yield array_of_nums end |
#updated_at ⇒ Object
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# File 'lib/sparkplug/handlers/csv_data.rb', line 19 def updated_at File.mtime(@data_path) end |