Class: BasisBand

Inherits:
Object
  • Object
show all
Defined in:
lib/basis-band.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(cache_dir) ⇒ BasisBand

Returns a new instance of BasisBand.



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# File 'lib/basis-band.rb', line 11

def initialize(cache_dir)
  @cache_dir = cache_dir
  @api = ApiFetch.new()
end

Instance Attribute Details

#api ⇒ Object

Returns the value of attribute api.



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# File 'lib/basis-band.rb', line 9

def api
  @api
end

Instance Method Details

#activities_cache_filename(date) ⇒ Object 



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# File 'lib/basis-band.rb', line 32

def activities_cache_filename(date)
  File.join(@cache_dir, date + "_activities.json")
end

#activities_cache_files ⇒ Object 



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# File 'lib/basis-band.rb', line 40

def activities_cache_files()
  Dir[File.join(@cache_dir, "*_activities.json")]
end

#activities_for_all ⇒ Object 



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# File 'lib/basis-band.rb', line 52

def activities_for_all
  activities = activities_cache_files.collect { |f|
    date = File.basename(f, "_activities.json")
    [d, cached_value(f)]
  }
  Hash[activities]
end

#activities_for_day(token, date) ⇒ Object 



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# File 'lib/basis-band.rb', line 22

def activities_for_day(token, date)
  with_cache(activities_cache_filename(date)) { |filename|
    fetch_activities_value(token, date, filename)
  }
end

#cached_value(filename) ⇒ Object 



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# File 'lib/basis-band.rb', line 64

def cached_value(filename)
  raw = nil
  begin
    File.open(filename, "r") { |f|
      raw = f.read
    }
  rescue
    # ignore exception
  end
  raw
end

#fetch_activities_value(token, date, filename) ⇒ Object 



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# File 'lib/basis-band.rb', line 92

def fetch_activities_value(token, date, filename)
  fetch_result_w_cache(filename) {
    @api.get_day_activities(token, date)
  }
end

#fetch_metrics_value(userid, date, filename) ⇒ Object 



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# File 'lib/basis-band.rb', line 86

def fetch_metrics_value(userid, date, filename)
  fetch_result_w_cache(filename) {
    @api.get_day_metrics(userid, date)
  }
end

#fetch_result_w_cache(filename) ⇒ Object 



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# File 'lib/basis-band.rb', line 76

def fetch_result_w_cache(filename)
  r = yield
  if r
    File.open(filename, "w") { |f|
      f.write(r)
    }
  end
  r
end

#metrics_cache_filename(date) ⇒ Object 



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# File 'lib/basis-band.rb', line 28

def metrics_cache_filename(date)
  File.join(@cache_dir, date + "_metrics.json")
end

#metrics_cache_files ⇒ Object 



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# File 'lib/basis-band.rb', line 36

def metrics_cache_files()
  Dir[File.join(@cache_dir, "*_metrics.json")]
end

#metrics_for_all ⇒ Object 



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# File 'lib/basis-band.rb', line 44

def metrics_for_all
  metrics = metrics_cache_files.collect { |f|
    date = File.basename(f, "_metrics.json")
    [date, cached_value(f)]
  }
  Hash[metrics]
end

#metrics_for_day(userid, date) ⇒ Object 



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# File 'lib/basis-band.rb', line 16

def metrics_for_day(userid, date)
  with_cache(metrics_cache_filename(date)) { |filename|
    fetch_metrics_value(userid, date, filename)
  }
end

#with_cache(filename) ⇒ Object 



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# File 'lib/basis-band.rb', line 60

def with_cache(filename)
  cached_value(filename) || yield(filename)
end