118 lines
2.7 KiB
Ruby
118 lines
2.7 KiB
Ruby
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module TimeCost
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class Range
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attr_accessor :time_start, :time_stop, :commits, :author
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GRANULARITY_DEFAULT = 0.5
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def initialize commit, options = {}
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@granularity = options[:granularity] || GRANULARITY_DEFAULT
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# FIXME: First approximation for users
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# later, we'll replace with @user = User.parse(commit.author)
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@author = commit.author
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@time_stop = DateTime.parse(commit.date)
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@time_start = @time_stop - (@granularity * 3 / 24.0)
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@commits = [commit]
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self
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end
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def merge range
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# B -----[----]----
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# A --[----]------
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# = ---[------]----
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# minimum of both
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new_start = if range.time_start < @time_start then range.time_start
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else @time_start
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end
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new_end = if range.time_stop >= @time_stop then range.time_stop
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else @time_stop
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end
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@time_start = new_start
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@time_stop = new_end
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@commits.concat range.commits
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end
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def overlap? range
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result = false
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# return early result if ranges come from different authors
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return false if (@author != range.author)
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# Ref ----[----]-----
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# overlapping :
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# A -[----]--------
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# B -------[----]--
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# C -[----------]--
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# D ------[]-------
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# non-overlapping :
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# E -[]------------
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# F -----------[]--
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start_before_start = (range.time_start < @time_start)
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start_after_start = (range.time_start >= @time_start)
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start_after_stop = (range.time_start >= @time_stop)
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start_before_stop = (range.time_start < @time_stop)
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stop_before_stop = (range.time_stop < @time_stop)
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stop_after_stop = (range.time_stop >= @time_stop)
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stop_before_start = (range.time_stop < @time_start)
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stop_after_start = (range.time_stop >= @time_start)
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# A case
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if start_before_start and start_before_stop and
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stop_after_start and stop_before_stop then
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result = true
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end
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# B case
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if start_after_start and start_before_stop and
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stop_after_start and stop_after_stop then
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result = true
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end
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# C case
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if start_before_start and start_before_stop and
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stop_after_start and stop_after_stop then
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result = true
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end
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# D case
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if start_after_start and start_before_stop and
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stop_after_start and stop_before_stop then
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result = true
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end
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return result
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end
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def fixed_start
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return @time_start + (@granularity/24.0)
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end
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def diff
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return ("%.2f" % ((@time_stop - fixed_start).to_f * 24)).to_f
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end
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def to_s show_authors = true
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val = "(%s)\t%s - %s\n" % [diff, fixed_start, @time_stop]
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if show_authors then
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val += "\tby %s\n" % @commits.first.author
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end
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@commits.each do |commit|
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lines = []
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lines.concat commit.note.split(/\n/)
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r = lines.map{ |s| "\t %s" % s }.join "\n"
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r[1] = '*'
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val += r + "\n"
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end
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return val
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end
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end
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end
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