Module: SolidStackWeb::ApplicationHelper

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

Instance Method Summary collapse

Instance Method Details

#cache_bytes_timeline_svg(timeline) ⇒ Object 



33
34
35
36
37
38
39
40
41
42
43
 
# File 'app/helpers/solid_stack_web/application_helper.rb', line 33

def cache_bytes_timeline_svg(timeline)
  build_sparkline_svg(
    Struct.new(:buckets, :max).new(timeline.byte_buckets, timeline.byte_max),
    css_class: "sqw-sparkline sqw-sparkline--lg",
    aria_label: "Cache bytes written over the last 24 hours"
  ) do |bytes, i|
    hours_ago = CacheTimeline::HOURS - 1 - i
    size = number_to_human_size(bytes)
    hours_ago.zero? ? "#{size} written this hour" : "#{size} written #{hours_ago}h ago"
  end
end

#cache_entries_timeline_svg(timeline) ⇒ Object 



21
22
23
24
25
26
27
28
29
30
31
 
# File 'app/helpers/solid_stack_web/application_helper.rb', line 21

def cache_entries_timeline_svg(timeline)
  build_sparkline_svg(
    Struct.new(:buckets, :max).new(timeline.entry_buckets, timeline.entry_max),
    css_class: "sqw-sparkline sqw-sparkline--lg",
    aria_label: "Cache entries written over the last 24 hours"
  ) do |count, i|
    hours_ago = CacheTimeline::HOURS - 1 - i
    hours_ago.zero? ? "#{count} #{"entry".then { |w| count == 1 ? w : "entries" }} this hour" \
                    : "#{count} #{"entry".then { |w| count == 1 ? w : "entries" }} #{hours_ago}h ago"
  end
end

#format_cache_value(raw) ⇒ Object 



3
4
5
6
7
8
9
 
# File 'app/helpers/solid_stack_web/application_helper.rb', line 3

def format_cache_value(raw)
  str = raw.to_s.encode("UTF-8", invalid: :replace, undef: :replace, replace: "?")
  parsed = JSON.parse(str)
  { label: "JSON", content: JSON.pretty_generate(parsed) }
rescue JSON::ParserError, JSON::GeneratorError
  { label: "Text", content: str }
end

#format_duration(seconds) ⇒ Object 



11
12
13
14
15
16
17
18
19
 
# File 'app/helpers/solid_stack_web/application_helper.rb', line 11

def format_duration(seconds)
  return "—" if seconds.nil?
  return "#{(seconds * 1000).round}ms" if seconds < 1
  s = seconds.to_i
  return "#{sprintf("%g", seconds.round(1))}s" if s < 60
  return "#{s / 60}m #{s % 60}s"      if s < 3600

  "#{s / 3600}h #{(s % 3600) / 60}m"
end

#inline_styles ⇒ Object 



99
100
101
102
103
 
# File 'app/helpers/solid_stack_web/application_helper.rb', line 99

def inline_styles
  dir = SolidStackWeb::Engine.root.join("app/assets/stylesheets/solid_stack_web")
  css = dir.glob("_*.css").sort.map(&:read).join("\n")
  content_tag(:style, css.html_safe)
end

#queue_depth_sparkline_svg(sparkline) ⇒ Object 



56
57
58
59
60
61
62
63
 
# File 'app/helpers/solid_stack_web/application_helper.rb', line 56

def queue_depth_sparkline_svg(sparkline)
  build_sparkline_svg(sparkline, css_class: "sqw-sparkline sqw-sparkline--sm",
                                 aria_label: "Queue depth over the last 12 hours") do |count, i|
    hours_ago = SolidStackWeb::QueueDepthSparkline::HOURS - 1 - i
    jobs_word = count == 1 ? "job" : "jobs"
    hours_ago.zero? ? "#{count} ready #{jobs_word} now" : "#{count} ready #{jobs_word} #{hours_ago}h ago"
  end
end

#throughput_sparkline_svg(sparkline) ⇒ Object 



45
46
47
48
49
50
51
52
53
54
 
# File 'app/helpers/solid_stack_web/application_helper.rb', line 45

def throughput_sparkline_svg(sparkline)
  build_sparkline_svg(sparkline, aria_label: "Throughput over the last 12 hours") do |count, i|
    hours_ago = SolidStackWeb::ThroughputSparkline::HOURS - i
    if hours_ago == 1
      "#{count} #{count == 1 ? "job" : "jobs"} in the last hour"
    else
      "#{count} #{count == 1 ? "job" : "jobs"} (#{hours_ago}h–#{hours_ago - 1}h ago)"
    end
  end
end