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−#!/usr/bin/python2.5
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−#
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−# Copyright 2009 the Melange authors.
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−#
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−# Licensed under the Apache License, Version 2.0 (the "License");
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−# you may not use this file except in compliance with the License.
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−# You may obtain a copy of the License at
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−#
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−#   http://www.apache.org/licenses/LICENSE-2.0
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−#
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−# Unless required by applicable law or agreed to in writing, software
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−# distributed under the License is distributed on an "AS IS" BASIS,
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−# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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−# See the License for the specific language governing permissions and
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−# limitations under the License.
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−
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−"""Student Project (Model) query functions.
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−"""
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−
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−__authors__ = [
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−  '"Lennard de Rijk" <ljvderijk@gmail.com>',
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−  ]
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−
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−
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−from google.appengine.ext import db
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−
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−from soc.logic.models import base
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−from soc.logic.models import organization as org_logic
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−
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−import soc.models.linkable
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−import soc.models.student_project
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−
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−
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−class Logic(base.Logic):
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−  """Logic methods for the Student Project model.
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−  """
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−
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−  def __init__(self, model=soc.models.student_project.StudentProject,
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−               base_model=soc.models.linkable.Linkable, 
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−               scope_logic=org_logic):
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−    """Defines the name, key_name and model for this entity.
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−    """
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−
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−    super(Logic, self).__init__(model=model, base_model=base_model,
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−                                scope_logic=scope_logic)
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−
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−  def updateProjectsForGradingRecords(self, record_entities):
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−    """Updates StudentProjects using a list of GradingRecord entities.
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−
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−    Args:
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−      record_entities: List of GradingRecord entities to process.
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−    """
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−
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−    projects_to_update = []
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−
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−    for record_entity in record_entities:
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−
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−      project_entity = record_entity.project
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−
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−      if project_entity.status in ['withdrawn', 'invalid']:
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−        # skip this project
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−        continue
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−
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−      # get the key from the GradingRecord entity since that gets stored
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−      record_key = record_entity.key()
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−
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−      passed_evals = project_entity.passed_evaluations
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−      failed_evals = project_entity.failed_evaluations
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−
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−      # try to remove this GradingRecord from the existing list of evals
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−      if record_key in passed_evals:
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−        passed_evals.remove(record_key)
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−
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−      if record_key in failed_evals:
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−        failed_evals.remove(record_key)
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−
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−      # get the grade_decision from the GradingRecord
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−      grade_decision = record_entity.grade_decision
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−
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−      # update GradingRecord lists with respect to the grading_decision
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−      if grade_decision == 'pass':
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−        passed_evals.append(record_key)
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−      elif grade_decision == 'fail':
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−        failed_evals.append(record_key)
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−
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−      if project_entity.status != 'completed':
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−        # Only when the project has not been completed should the status be
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−        # updated to reflect the new setting of the evaluations.
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−
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−        if len(failed_evals) == 0:
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−          # no failed evaluations present
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−          new_status = 'accepted'
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−        else:
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−          new_status = 'failed'
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−      else:
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−          new_status = project_entity.status
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−
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−      # update the necessary fields and store it before updating
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−      project_entity.passed_evaluations = passed_evals
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−      project_entity.failed_evaluations = failed_evals
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−      project_entity.status = new_status
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−
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−      projects_to_update.append(project_entity)
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−
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−    # batch put the StudentProjects that need to be updated
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−    db.put(projects_to_update)
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−
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−
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−logic = Logic()