# -*- coding: utf-8 -*-
from south.utils import datetime_utils as datetime
from south.db import db
from south.v2 import DataMigration
from django.db import models
from openassessment.assessment.models import Rubric

class Migration(DataMigration):

    def forwards(self, orm):
        """Calculate the structure hash for each rubric that doesn't have one."""
        # The default value for the structure hash is an empty string
        # so rubrics created before the scheme migration will have
        # an empty string for the structure hash.
        for rubric in orm.Rubric.objects.filter(structure_hash="").select_related():
            rubric_dict = {
                "criteria": [
                    {
                        "name": criterion.name,
                        "order_num": criterion.order_num,
                        "options": [
                            {
                                "name": option.name,
                                "order_num":  option.order_num,
                                "points": option.points
                            }
                            for option in criterion.options.all()
                        ]
                    }
                    for criterion in rubric.criteria.all()
                ]
            }

            # Ordinarily, we would use `orm.Rubric`, but we need access to the static method,
            # which South doesn't seem to provide.
            rubric.structure_hash = Rubric.structure_hash_from_dict(rubric_dict)
            rubric.save()

    def backwards(self, orm):
        "Backwards migration is a no-op."
        pass

    models = {
        'assessment.aiclassifier': {
            'Meta': {'object_name': 'AIClassifier'},
            'classifier_data': ('django.db.models.fields.files.FileField', [], {'max_length': '100'}),
            'classifier_set': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'classifiers'", 'to': "orm['assessment.AIClassifierSet']"}),
            'criterion': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'+'", 'to': "orm['assessment.Criterion']"}),
            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'})
        },
        'assessment.aiclassifierset': {
            'Meta': {'ordering': "['-created_at', '-id']", 'object_name': 'AIClassifierSet'},
            'algorithm_id': ('django.db.models.fields.CharField', [], {'max_length': '128', 'db_index': 'True'}),
            'created_at': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now', 'db_index': 'True'}),
            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'rubric': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'+'", 'to': "orm['assessment.Rubric']"})
        },
        'assessment.aigradingworkflow': {
            'Meta': {'object_name': 'AIGradingWorkflow'},
            'algorithm_id': ('django.db.models.fields.CharField', [], {'max_length': '128', 'db_index': 'True'}),
            'assessment': ('django.db.models.fields.related.ForeignKey', [], {'default': 'None', 'related_name': "'+'", 'null': 'True', 'to': "orm['assessment.Assessment']"}),
            'classifier_set': ('django.db.models.fields.related.ForeignKey', [], {'default': 'None', 'related_name': "'+'", 'null': 'True', 'to': "orm['assessment.AIClassifierSet']"}),
            'completed_at': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'db_index': 'True'}),
            'course_id': ('django.db.models.fields.CharField', [], {'max_length': '40', 'db_index': 'True'}),
            'essay_text': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'item_id': ('django.db.models.fields.CharField', [], {'max_length': '128', 'db_index': 'True'}),
            'rubric': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'+'", 'to': "orm['assessment.Rubric']"}),
            'scheduled_at': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now', 'db_index': 'True'}),
            'student_id': ('django.db.models.fields.CharField', [], {'max_length': '40', 'db_index': 'True'}),
            'submission_uuid': ('django.db.models.fields.CharField', [], {'max_length': '128', 'db_index': 'True'}),
            'uuid': ('django.db.models.fields.CharField', [], {'db_index': 'True', 'unique': 'True', 'max_length': '36', 'blank': 'True'})
        },
        'assessment.aitrainingworkflow': {
            'Meta': {'object_name': 'AITrainingWorkflow'},
            'algorithm_id': ('django.db.models.fields.CharField', [], {'max_length': '128', 'db_index': 'True'}),
            'classifier_set': ('django.db.models.fields.related.ForeignKey', [], {'default': 'None', 'related_name': "'+'", 'null': 'True', 'to': "orm['assessment.AIClassifierSet']"}),
            'completed_at': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'db_index': 'True'}),
            'course_id': ('django.db.models.fields.CharField', [], {'max_length': '40', 'db_index': 'True'}),
            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'item_id': ('django.db.models.fields.CharField', [], {'max_length': '128', 'db_index': 'True'}),
            'scheduled_at': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now', 'db_index': 'True'}),
            'training_examples': ('django.db.models.fields.related.ManyToManyField', [], {'related_name': "'+'", 'symmetrical': 'False', 'to': "orm['assessment.TrainingExample']"}),
            'uuid': ('django.db.models.fields.CharField', [], {'db_index': 'True', 'unique': 'True', 'max_length': '36', 'blank': 'True'})
        },
        'assessment.assessment': {
            'Meta': {'ordering': "['-scored_at', '-id']", 'object_name': 'Assessment'},
            'feedback': ('django.db.models.fields.TextField', [], {'default': "''", 'max_length': '10000', 'blank': 'True'}),
            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'rubric': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['assessment.Rubric']"}),
            'score_type': ('django.db.models.fields.CharField', [], {'max_length': '2'}),
            'scored_at': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now', 'db_index': 'True'}),
            'scorer_id': ('django.db.models.fields.CharField', [], {'max_length': '40', 'db_index': 'True'}),
            'submission_uuid': ('django.db.models.fields.CharField', [], {'max_length': '128', 'db_index': 'True'})
        },
        'assessment.assessmentfeedback': {
            'Meta': {'object_name': 'AssessmentFeedback'},
            'assessments': ('django.db.models.fields.related.ManyToManyField', [], {'default': 'None', 'related_name': "'assessment_feedback'", 'symmetrical': 'False', 'to': "orm['assessment.Assessment']"}),
            'feedback_text': ('django.db.models.fields.TextField', [], {'default': "''", 'max_length': '10000'}),
            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'options': ('django.db.models.fields.related.ManyToManyField', [], {'default': 'None', 'related_name': "'assessment_feedback'", 'symmetrical': 'False', 'to': "orm['assessment.AssessmentFeedbackOption']"}),
            'submission_uuid': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '128', 'db_index': 'True'})
        },
        'assessment.assessmentfeedbackoption': {
            'Meta': {'object_name': 'AssessmentFeedbackOption'},
            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'text': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '255'})
        },
        'assessment.assessmentpart': {
            'Meta': {'object_name': 'AssessmentPart'},
            'assessment': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'parts'", 'to': "orm['assessment.Assessment']"}),
            'feedback': ('django.db.models.fields.TextField', [], {'default': "''", 'blank': 'True'}),
            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'option': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'+'", 'to': "orm['assessment.CriterionOption']"})
        },
        'assessment.criterion': {
            'Meta': {'ordering': "['rubric', 'order_num']", 'object_name': 'Criterion'},
            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
            'order_num': ('django.db.models.fields.PositiveIntegerField', [], {}),
            'prompt': ('django.db.models.fields.TextField', [], {'max_length': '10000'}),
            'rubric': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'criteria'", 'to': "orm['assessment.Rubric']"})
        },
        'assessment.criterionoption': {
            'Meta': {'ordering': "['criterion', 'order_num']", 'object_name': 'CriterionOption'},
            'criterion': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'options'", 'to': "orm['assessment.Criterion']"}),
            'explanation': ('django.db.models.fields.TextField', [], {'max_length': '10000', 'blank': 'True'}),
            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
            'order_num': ('django.db.models.fields.PositiveIntegerField', [], {}),
            'points': ('django.db.models.fields.PositiveIntegerField', [], {})
        },
        'assessment.peerworkflow': {
            'Meta': {'ordering': "['created_at', 'id']", 'object_name': 'PeerWorkflow'},
            'completed_at': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'db_index': 'True'}),
            'course_id': ('django.db.models.fields.CharField', [], {'max_length': '40', 'db_index': 'True'}),
            'created_at': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now', 'db_index': 'True'}),
            'grading_completed_at': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'db_index': 'True'}),
            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'item_id': ('django.db.models.fields.CharField', [], {'max_length': '128', 'db_index': 'True'}),
            'student_id': ('django.db.models.fields.CharField', [], {'max_length': '40', 'db_index': 'True'}),
            'submission_uuid': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '128', 'db_index': 'True'})
        },
        'assessment.peerworkflowitem': {
            'Meta': {'ordering': "['started_at', 'id']", 'object_name': 'PeerWorkflowItem'},
            'assessment': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['assessment.Assessment']", 'null': 'True'}),
            'author': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'graded_by'", 'to': "orm['assessment.PeerWorkflow']"}),
            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'scored': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
            'scorer': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'graded'", 'to': "orm['assessment.PeerWorkflow']"}),
            'started_at': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now', 'db_index': 'True'}),
            'submission_uuid': ('django.db.models.fields.CharField', [], {'max_length': '128', 'db_index': 'True'})
        },
        'assessment.rubric': {
            'Meta': {'object_name': 'Rubric'},
            'content_hash': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '40', 'db_index': 'True'}),
            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'structure_hash': ('django.db.models.fields.CharField', [], {'max_length': '40', 'db_index': 'True'})
        },
        'assessment.studenttrainingworkflow': {
            'Meta': {'object_name': 'StudentTrainingWorkflow'},
            'course_id': ('django.db.models.fields.CharField', [], {'max_length': '40', 'db_index': 'True'}),
            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'item_id': ('django.db.models.fields.CharField', [], {'max_length': '128', 'db_index': 'True'}),
            'student_id': ('django.db.models.fields.CharField', [], {'max_length': '40', 'db_index': 'True'}),
            'submission_uuid': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '128', 'db_index': 'True'})
        },
        'assessment.studenttrainingworkflowitem': {
            'Meta': {'ordering': "['workflow', 'order_num']", 'unique_together': "(('workflow', 'order_num'),)", 'object_name': 'StudentTrainingWorkflowItem'},
            'completed_at': ('django.db.models.fields.DateTimeField', [], {'default': 'None', 'null': 'True'}),
            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'order_num': ('django.db.models.fields.PositiveIntegerField', [], {}),
            'started_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
            'training_example': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['assessment.TrainingExample']"}),
            'workflow': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'items'", 'to': "orm['assessment.StudentTrainingWorkflow']"})
        },
        'assessment.trainingexample': {
            'Meta': {'object_name': 'TrainingExample'},
            'content_hash': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '40', 'db_index': 'True'}),
            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'options_selected': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['assessment.CriterionOption']", 'symmetrical': 'False'}),
            'raw_answer': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
            'rubric': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['assessment.Rubric']"})
        }
    }

    complete_apps = ['assessment']
    symmetrical = True
