job.rb in ffi-cups-0.2.1

- old
+ new
@@ -1,11 +1,71 @@
 module Cups
   class Job
-    attr_reader :id, :title, :printer
-    def initialize(id, title, printer=nil)
+    attr_accessor :id, :title, :printer,
+      :format, :state, :size, :completed_time,
+      :creation_time, :processing_time
+
+    def initialize(id, title, printer)
       @id = id
       @title = title
       @printer = printer
+    end
+
+    # Get jobs by filter or destination name
+    # @param name [String]
+    # @param filter [Integer] see Constants
+    # @param connection [Cups::Connection]
+    # @return [Array] jobs
+    def self.get_jobs(name=nil, filter=-1, connection=nil)
+      p_jobs = FFI::MemoryPointer.new :pointer
+      cups_jobs = cupsGetJobs2(p_jobs, name, filter, connection)
+      jobs = []
+      cups_jobs.each do |j|
+        job = Cups::Job.new(j[:id].dup, j[:title].dup, j[:dest].dup)
+        job.format = j[:format]
+        job.state = j[:state]
+        job.size = j[:size]
+        job.completed_time = Time.at(j[:completed_time])
+        job.creation_time = Time.at(j[:creation_time])
+        job.processing_time = Time.at(j[:processing_time])
+        jobs.push(job)
+      end
+      return jobs
+    end
+
+    # Get job from id
+    # @param id [Integer]
+    # @param name [String]
+    # @param filter [Integer] see Constants
+    # @param connection [Cups::Connection]
+    # @return [Job] job object
+    def self.get_job(id, name=nil, filter=-1, connection=nil)
+      jobs = get_jobs(name, filter, connection)
+      jobs.each do |j|
+        return j if j.id == id
+      end
+    end
+
+    private
+    # Wrapper {::FFI::Cups#cupsGetJobs2}
+    # @param pointer [Pointer] pointer to the jobs
+    # @param name [String] name of the destination or NULL
+    # @param filter [Integer] see Constants for more filters
+    # @param connection [Cups::Connection]
+    # @return [Array] array of job structs
+    def self.cupsGetJobs2(pointer, name=nil, filter=-1, connection=nil)
+      http = connection.nil? ? nil : connection.httpConnect2
+      num_jobs = FFI::Cups.cupsGetJobs2(http, pointer, name, 0, filter)
+      size = Cups::Struct::Job.size
+      jobs = []
+      
+      num_jobs.times do |i|
+        job = Cups::Struct::Job.new(pointer.get_pointer(0) + (size * i))
+        jobs.push(job)
+      end
+
+      Cups::Connection.close(http) if http
+      return jobs
     end
   end
 end
 