Class: MppReader::Project

Inherits:
Object
  • Object
show all
Defined in:
lib/mpp_reader/project.rb

Overview

A parsed MS Project file. Tasks and resources are read lazily on first access and memoized.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(cfbf, comp_obj) ⇒ Project

Returns a new instance of Project.



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# File 'lib/mpp_reader/project.rb', line 8

def initialize(cfbf, comp_obj)
  @cfbf = cfbf
  @file_format = comp_obj.file_format
  @application_name = comp_obj.application_name
end

Instance Attribute Details

#application_name ⇒ Object (readonly)

Returns the value of attribute application_name.



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# File 'lib/mpp_reader/project.rb', line 6

def application_name
  @application_name
end

#file_format ⇒ Object (readonly)

Returns the value of attribute file_format.



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# File 'lib/mpp_reader/project.rb', line 6

def file_format
  @file_format
end

Instance Method Details

#assignments ⇒ Object 



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# File 'lib/mpp_reader/project.rb', line 28

def assignments
  @assignments ||= reader.read_assignments(tasks.map(&:unique_id).to_set)
end

#calendar(unique_id) ⇒ Object 



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# File 'lib/mpp_reader/project.rb', line 56

def calendar(unique_id) = calendars.find { |c| c.unique_id == unique_id }

#calendars ⇒ Object 



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# File 'lib/mpp_reader/project.rb', line 32

def calendars
  @calendars ||= begin
    list = reader.read_calendars

    # Derived calendars not used by any resource are leftovers MS
    # Project does not show; prune them (as MPXJ does). Surviving
    # resource links are mirrored onto the resources, and unnamed
    # resource calendars inherit the resource name.
    by_uid = raw_resources.to_h { |r| [r.unique_id, r] }
    list.reject! do |cal|
      cal.base_calendar_unique_id && by_uid[cal.resource_unique_id].nil?
    end
    list.each do |cal|
      res = by_uid[cal.resource_unique_id]
      next if res.nil?

      res.calendar_unique_id = cal.unique_id
      cal.name = res.name || "Unnamed Resource" if cal.name.nil? || cal.name.empty?
    end
  end
end

#resource(unique_id) ⇒ Object 



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# File 'lib/mpp_reader/project.rb', line 58

def resource(unique_id) = resources_by_uid[unique_id]

#resources ⇒ Object

Calendars carry the resource->calendar links, so reading them also fills Resource#calendar_unique_id; force that before handing out resources.



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# File 'lib/mpp_reader/project.rb', line 23

def resources
  calendars
  raw_resources
end

#task(unique_id) ⇒ Object 



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# File 'lib/mpp_reader/project.rb', line 54

def task(unique_id) = tasks_by_uid[unique_id]

#tasks ⇒ Object 



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# File 'lib/mpp_reader/project.rb', line 14

def tasks
  @tasks ||= reader.read_tasks.tap do |list|
    reader.read_relations(list.to_h { |t| [t.unique_id, t] })
  end
end