app/helpers/test_results_helper.rb
module TestResultsHelper
def ammonia_level(level)
case level
when nil
level_nil
when 0..0.25
level_ideal(level)
when 0.26..1
level_caution(level)
when 1.1..3
level_unsafe(level)
else
level_danger(level)
end
end
def nitrate_level(level)
if @bowl.water_type == 'Freshwater'
case level
when nil
level_nil
when 0..40
level_ideal(level)
when 41..79
level_caution(level)
when 80..160
level_unsafe(level)
else
level_danger(level)
end
elsif @bowl.water_type == 'Saltwater'
case level
when nil
level_nil
when 0..19
level_ideal(level)
when 20..40
raw("<td>#{level} Okay</td>")
when 41..79
level_caution(level)
when 80..160
level_unsafe(level)
else
level_danger(level)
end
end
end
def nitrite_level(level)
case level
when nil
level_nil
when 0..0.5
level_ideal(level)
when 0.6..0.9
level_caution(level)
when 1..3
level_unsafe(level)
else
level_danger(level)
end
end
def hardness_level(level)
if @bowl.water_type == 'Freshwater'
case level
when nil
level_nil
when 0..25
raw("<td>#{level} very soft</td>")
when 26..75
raw("<td>#{level} soft</td>")
when 76..149
raw("<td>#{level} hard</td>")
else
raw("<td>#{level} very hard</td>")
end
elsif @bowl.water_type == 'Saltwater'
level_nil
end
end
def alkalinity_level(level)
if @bowl.water_type == 'Freshwater'
case level
when nil
level_nil
when 0..79
raw("<td class='caution'>#{level} low</td>")
when 80..119
raw("<td>#{level} moderate</td>")
when 120..180
level_ideal(level)
else
raw("<td class='caution'>#{level} high</td>")
end
elsif @bowl.water_type == 'Saltwater'
case level
when nil
level_nil
when 0..120
raw("<td class='caution'>#{level} not desired</td>")
else
level_ideal(level)
end
end
end
def ph_level(level)
if @bowl.water_type == 'Freshwater'
case level
when nil
level_nil
when 0..6.7
raw("<td>#{level} acidic</td>")
when 6.8..7.2
raw("<td>#{level} neutral</td>")
else
raw("<td>#{level} alkaline</td>")
end
elsif @bowl.water_type == 'Saltwater'
case level
when nil
level_nil
when 0..7.4
raw("<td class='caution'>#{level} too low</td>")
when 7.5..7.8
raw("<td>#{level} acceptable</td>")
when 7.9..8.7
level_ideal(level)
else
raw("<td class='caution'>#{level} too high</td>")
end
end
end
def salinity_level(level)
if @bowl.water_type == 'Saltwater'
case level
when nil
level_nil
else
level_ideal(level)
end
elsif @bowl.water_type == 'Freshwater'
level_nil
end
end
private
def level_nil
raw("<td>N/A</td>")
end
def level_ideal(level)
raw("<td>#{level}</td>")
end
def level_caution(level)
raw("<td class='caution'>#{level}</td>")
end
def level_unsafe(level)
raw("<td class='unsafe'>#{level}</td>")
end
def level_danger(level)
raw("<td class='danger'>#{level}</td>")
end
end