Module: RailsVitals::ApplicationHelper

Defined in:
app/helpers/rails_vitals/application_helper.rb

Constant Summary collapse

COLOR_GREEN = 
"#276749"
COLOR_BLUE = 
"#2b6cb0"
COLOR_AMBER = 
"#b7791f"
COLOR_RED = 
"#c53030"
COLOR_DARK_RED = 
"#742a2a"
COLOR_GRAY = 
"#4a5568"
COLOR_NEUTRAL = 
"#a0aec0"
COLOR_LIGHT_RED = 
"#fc8181"
COLOR_ORANGE = 
"#f6ad55"
COLOR_LIGHT_GREEN = 
"#68d391"

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.score_color_for(color) ⇒ Object

Module-level helper so plain Ruby classes (e.g. PanelRenderer) can resolve a score color without needing a helper instance.



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# File 'app/helpers/rails_vitals/application_helper.rb', line 16

def self.score_color_for(color)
  case color
  when "green" then COLOR_GREEN
  when "blue"  then COLOR_BLUE
  when "amber" then COLOR_AMBER
  else              COLOR_RED
  end
end

Instance Method Details

#badge_class(color) ⇒ Object

Returns the full badge CSS class string for a score color label.



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# File 'app/helpers/rails_vitals/application_helper.rb', line 118

def badge_class(color)
  "badge badge-#{color}"
end

#callback_color(kind) ⇒ Object 



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# File 'app/helpers/rails_vitals/application_helper.rb', line 38

def callback_color(kind)
  case kind.to_sym
  when :validation, :save   then COLOR_BLUE
  when :create, :update     then COLOR_GREEN
  when :destroy             then COLOR_RED
  when :commit              then COLOR_AMBER
  when :rollback            then COLOR_DARK_RED
  else                           COLOR_GRAY
  end
end

#cost_color(cost) ⇒ Object 



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# File 'app/helpers/rails_vitals/application_helper.rb', line 70

def cost_color(cost)
  return COLOR_NEUTRAL unless cost
  cost = cost.to_f
  if    cost < 100   then COLOR_LIGHT_GREEN
  elsif cost < 1000  then COLOR_ORANGE
  else                    COLOR_LIGHT_RED
  end
end

#format_ms(value) ⇒ Object 



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# File 'app/helpers/rails_vitals/application_helper.rb', line 122

def format_ms(value)
  return "0ms" unless value

  "#{value.to_f.round(1)}ms"
end

#n1_heat_color(pct) ⇒ Object 



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# File 'app/helpers/rails_vitals/application_helper.rb', line 63

def n1_heat_color(pct)
  if pct >= 75    then COLOR_LIGHT_RED
  elsif pct >= 25 then COLOR_ORANGE
  else                 COLOR_LIGHT_GREEN
  end
end

#percentage(count, total) ⇒ Object

Calculates a percentage of count over total, returning 0 when total is zero.



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# File 'app/helpers/rails_vitals/application_helper.rb', line 129

def percentage(count, total)
  total.to_f > 0 ? ((count.to_f / total) * 100).round(1) : 0
end

#query_heat_color(count) ⇒ Object 



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# File 'app/helpers/rails_vitals/application_helper.rb', line 49

def query_heat_color(count)
  if count >= 25    then COLOR_LIGHT_RED
  elsif count >= 10 then COLOR_ORANGE
  else                   COLOR_LIGHT_GREEN
  end
end

#risk_color(risk) ⇒ Object

Returns a hex color for a DNA risk level symbol (:healthy, :neutral, :warning, :danger)



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# File 'app/helpers/rails_vitals/application_helper.rb', line 98

def risk_color(risk)
  {
    healthy: COLOR_LIGHT_GREEN,
    neutral: COLOR_NEUTRAL,
    warning: COLOR_ORANGE,
    danger:  COLOR_LIGHT_RED
  }[risk.to_sym] || COLOR_NEUTRAL
end

#rows_color(rows) ⇒ Object 



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# File 'app/helpers/rails_vitals/application_helper.rb', line 88

def rows_color(rows)
  return COLOR_NEUTRAL unless rows
  rows = rows.to_i
  if    rows < 1_000   then COLOR_LIGHT_GREEN
  elsif rows < 10_000  then COLOR_ORANGE
  else                      COLOR_LIGHT_RED
  end
end

#score_color(color) ⇒ Object 



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# File 'app/helpers/rails_vitals/application_helper.rb', line 25

def score_color(color)
  RailsVitals::ApplicationHelper.score_color_for(color)
end

#score_label_to_color(score) ⇒ Object 



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# File 'app/helpers/rails_vitals/application_helper.rb', line 29

def score_label_to_color(score)
  case score
  when 90..100 then "healthy"
  when 70..89  then "acceptable"
  when 50..69  then "warning"
  else              "critical"
  end
end

#score_text_color(score) ⇒ Object

Returns a readable hex text color for a numeric health score (0-100)



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# File 'app/helpers/rails_vitals/application_helper.rb', line 108

def score_text_color(score)
  case score.to_i
  when 90..100 then COLOR_LIGHT_GREEN
  when 70..89  then "#4299e1"
  when 50..69  then COLOR_ORANGE
  else              COLOR_LIGHT_RED
  end
end

#time_color(ms) ⇒ Object 



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# File 'app/helpers/rails_vitals/application_helper.rb', line 79

def time_color(ms)
  return COLOR_NEUTRAL unless ms
  ms = ms.to_f
  if    ms < 10   then COLOR_LIGHT_GREEN
  elsif ms < 100  then COLOR_ORANGE
  else                 COLOR_LIGHT_RED
  end
end

#time_heat_color(ms) ⇒ Object 



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# File 'app/helpers/rails_vitals/application_helper.rb', line 56

def time_heat_color(ms)
  if ms >= 500    then COLOR_LIGHT_RED
  elsif ms >= 100 then COLOR_ORANGE
  else                 COLOR_LIGHT_GREEN
  end
end