Stubbed out tasks system for installers

lib/application_manager/task.rb

@@ -0,0 +1,145 @@
+class W3DHub
+  class ApplicationManager
+    class Task
+      include CyberarmEngine::Common
+
+      attr_reader :app_id, :release_channel
+
+      def initialize(app_id, release_channel)
+        @app_id = app_id
+        @release_channel = release_channel
+
+        @task_state = :not_started # :not_started, :running, :paused, :halted, :complete, :failed
+        @task_steps = []
+        @task_step_index = 0
+
+        @application = window.applications.games.find { |g| g.id == app_id }
+        @channel = @application.channels.find { |c| c.name == release_channel }
+
+        setup
+      end
+
+      def setup
+      end
+
+      def state
+        @task_state
+      end
+
+      # Start task, inside its own thread
+      def start
+        @task_state = :running
+
+        Thread.new do
+          @task_steps.each_with_index do |step, i|
+            break if @task_state == :halted
+
+            @task_step_index = i
+
+            success = step.start
+
+            failure!(step) unless success
+            break unless success
+          end
+
+          @task_state = :complete unless @task_state == :failed
+        end
+      end
+
+      # Suspend operation, if possible
+      def pause
+        @task_state = :paused if pauseable?
+      end
+
+      # Halt operation, if possible
+      def stop
+        @task_state = :halted if stoppable?
+      end
+
+      def pauseable?
+        false
+      end
+
+      def stoppable?
+        false
+      end
+
+      def complete?
+        @task_state == :complete
+      end
+
+      def failed?
+        @task_state == :failed
+      end
+
+      def failure_reason
+        @task_failure_reason || ""
+      end
+
+      def failure!(step)
+        @task_state = :failed
+        @task_failure_reason = "Failed to complete: \"#{step.name}\" due to an error: #{step.error}"
+      end
+
+      def run_on_main_thread(block)
+        window.main_thread_queue << block
+      end
+
+      def add_step(name, method, *args)
+        @task_steps << Step.new(name, method, args)
+      end
+
+      def fetch_manifests
+        # Do stuff
+
+        package_fetch("games", app_id, "manifest.xml", @channel.version)
+      end
+
+      def package_fetch(category, subcategory, package, version)
+      end
+
+      class Step
+        attr_reader :name
+
+        def initialize(name, method, args)
+          @name = name
+          @method = method
+          @args = args
+
+          @step_state = :not_started # :not_started, :running, :paused, :halted, :complete, :failed
+          @success = false
+        end
+
+        def start
+          # do work
+          # ensure that a boolean value is returned
+        ensure
+          @success
+        end
+
+        def pause
+        end
+
+        def stop
+        end
+
+        def status
+          nil
+        end
+
+        def progress
+          0.0
+        end
+
+        def total_work
+          1.0
+        end
+
+        # data to pass on to next step(s)
+        def result
+          nil
+        end
+      end
+    end
+  end
+end

lib/application_manager/tasks/importer.rb

@@ -0,0 +1,11 @@
+class W3DHub
+  class ApplicationManager
+    class Importer < Task
+      def initialize(app_id, channel, path)
+        super(app_id, channel)
+
+        @path = path
+      end
+    end
+  end
+end

lib/application_manager/tasks/installer.rb

@@ -0,0 +1,20 @@
+class W3DHub
+  class ApplicationManager
+    class Installer < Task
+      def setup
+        add_step("Fetching manifests...", :fetch_manifests)
+        add_step("Building package list...", :build_package_list)
+
+        add_step("Downloading packages...", :fetch_packages)
+        add_step("Verifying packages...", :verify_packages)
+        add_step("Unpacking packages...", :unpack_packages)
+
+        add_step("Crushing grapes...", :create_wine_prefix)
+
+        add_step("Installing dependencies...", :install_dependencies)
+
+        add_step("Completed.", :mark_application_installed)
+      end
+    end
+  end
+end

lib/application_manager/tasks/repairer.rb

@@ -0,0 +1,6 @@
+class W3DHub
+  class ApplicationManager
+    class Repairer < Task
+    end
+  end
+end

lib/application_manager/tasks/uninstaller.rb

@@ -0,0 +1,6 @@
+class W3DHub
+  class ApplicationManager
+    class Uninstaller < Task
+    end
+  end
+end