Class: JLDrill::ItemStats

Inherits:
Object
  • Object
show all
Defined in:
lib/jldrill/model/Quiz/ItemStats.rb

Overview

Calculates and stores various statistics for each item in the Spaced Repetition Drill.

Consecutive: The number of times this item was remembered correctly

in the review set

Constant Summary collapse

CONSECUTIVE_RE = 
/^Consecutive: (.*)/
TIMELIMIT_RE = 
/^TimeLimit: (.*)/

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(item) ⇒ ItemStats

Create a new ItemStats for this item



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# File 'lib/jldrill/model/Quiz/ItemStats.rb', line 20

def initialize(item)
    @name = "ItemStats"
    @item = item
    @thinkingTimer = Timer.new
    reset
end

Instance Attribute Details

#consecutive ⇒ Object

Returns the value of attribute consecutive.



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# File 'lib/jldrill/model/Quiz/ItemStats.rb', line 16

def consecutive
  @consecutive
end

#item ⇒ Object

Returns the value of attribute item.



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# File 'lib/jldrill/model/Quiz/ItemStats.rb', line 16

def item
  @item
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/jldrill/model/Quiz/ItemStats.rb', line 16

def name
  @name
end

#thinkingTimer ⇒ Object

Returns the value of attribute thinkingTimer.



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# File 'lib/jldrill/model/Quiz/ItemStats.rb', line 16

def thinkingTimer
  @thinkingTimer
end

#timeLimit ⇒ Object

Returns the value of attribute timeLimit.



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# File 'lib/jldrill/model/Quiz/ItemStats.rb', line 16

def timeLimit
  @timeLimit
end

Instance Method Details

#assign(itemStats) ⇒ Object

Assign this item’s stats to be the same as the one passed in



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# File 'lib/jldrill/model/Quiz/ItemStats.rb', line 49

def assign(itemStats)
    @consecutive = itemStats.consecutive
    @thinkingTimer.assign(itemStats.thinkingTimer)
    @timeLimit = itemStats.timeLimit
end

#clone ⇒ Object

Create a clone of the ItemStats and return it



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# File 'lib/jldrill/model/Quiz/ItemStats.rb', line 42

def clone
    retVal = ItemStats.new(@item)
    retVal.assign(self)
    return retVal
end

#correct ⇒ Object

The item was correctly remembered



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# File 'lib/jldrill/model/Quiz/ItemStats.rb', line 76

def correct
    @thinkingTimer.stop
    if @item.bin == 4
        @consecutive += 1
        @timeLimit = @thinkingTimer.total
    end
end

#createProblem ⇒ Object

The item is being used to create a problem



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# File 'lib/jldrill/model/Quiz/ItemStats.rb', line 63

def createProblem
    @thinkingTimer.reset
    @thinkingTimer.start
end

#exp(number, places) ⇒ Object 



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# File 'lib/jldrill/model/Quiz/ItemStats.rb', line 84

def exp(number, places)
    retVal = 1
    if places != 0
        retVal = number
        1.upto(places - 1) do
            retVal = retVal * number
        end
    end
    retVal
end

#incorrect ⇒ Object

The item was not correctly remembered



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# File 'lib/jldrill/model/Quiz/ItemStats.rb', line 69

def incorrect
    @thinkingTimer.stop
    @consecutive = 0
    @timeLimit = 0.0
end

#inNewSet? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/jldrill/model/Quiz/ItemStats.rb', line 110

def inNewSet?
    @item.bin == Strategy.newSetBin
end

#inReviewSet? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/jldrill/model/Quiz/ItemStats.rb', line 118

def inReviewSet?
    @item.bin == Strategy.reviewSetBin
end

#inWorkingSet? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/jldrill/model/Quiz/ItemStats.rb', line 114

def inWorkingSet?
    Strategy.workingSetBins.include?(@item.bin)
end

#parse(string) ⇒ Object

Parse a single part of the ItemStats



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# File 'lib/jldrill/model/Quiz/ItemStats.rb', line 28

def parse(string)
    parsed = true
    case string
        when CONSECUTIVE_RE
            @consecutive = $1.to_i
        when TIMELIMIT_RE
            @timeLimit = $1.to_f
    else
        parsed = false
    end
    parsed
end

#reset ⇒ Object

Reset the statistics for the item



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# File 'lib/jldrill/model/Quiz/ItemStats.rb', line 56

def reset
    @consecutive = 0
    @thinkingTimer.reset
    @timeLimit = 0.0
end

#round(number, places) ⇒ Object 



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# File 'lib/jldrill/model/Quiz/ItemStats.rb', line 96

def round(number, places)
    mult = exp(10, places)
    (number * mult).round.to_f / mult
end

#to_s ⇒ Object

Output the ItemStats in save format



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# File 'lib/jldrill/model/Quiz/ItemStats.rb', line 102

def to_s
    retVal = "/Consecutive: #{@consecutive.to_i}"
    if @timeLimit != 0
        retVal += "/TimeLimit: #{self.round(@timeLimit, 3)}"
    end
    retVal
end