ECOM-1590 adding models for credit eligibility.

cms/envs/common.py

@@ -729,6 +729,9 @@ INSTALLED_APPS = (
     'edx_jsme',    # Molecular Structure
 
     'openedx.core.djangoapps.content.course_structures',
+
+    # Credit courses
+    'openedx.core.djangoapps.credit',
 )
 
 

lms/envs/common.py

@@ -1762,6 +1762,9 @@ INSTALLED_APPS = (
     'cors_csrf',
 
     'commerce',
+
+    # Credit courses
+    'openedx.core.djangoapps.credit',
 )
 
 ######################### CSRF #########################################

openedx/core/djangoapps/credit/admin.py

+"""
+Django admin page for credit eligibility
+"""
+from ratelimitbackend import admin
+from .models import CreditCourse
+
+
+admin.site.register(CreditCourse)

openedx/core/djangoapps/credit/migrations/0001_initial.py

+# -*- coding: utf-8 -*-
+from south.utils import datetime_utils as datetime
+from south.db import db
+from south.v2 import SchemaMigration
+from django.db import models
+
+
+class Migration(SchemaMigration):
+
+    def forwards(self, orm):
+        # Adding model 'CreditCourse'
+        db.create_table('credit_creditcourse', (
+            ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
+            ('course_key', self.gf('xmodule_django.models.CourseKeyField')(unique=True, max_length=255, db_index=True)),
+            ('enabled', self.gf('django.db.models.fields.BooleanField')(default=False)),
+        ))
+        db.send_create_signal('credit', ['CreditCourse'])
+
+        # Adding model 'CreditProvider'
+        db.create_table('credit_creditprovider', (
+            ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
+            ('created', self.gf('model_utils.fields.AutoCreatedField')(default=datetime.datetime.now)),
+            ('modified', self.gf('model_utils.fields.AutoLastModifiedField')(default=datetime.datetime.now)),
+            ('provider_id', self.gf('django.db.models.fields.CharField')(unique=True, max_length=255, db_index=True)),
+            ('display_name', self.gf('django.db.models.fields.CharField')(max_length=255)),
+        ))
+        db.send_create_signal('credit', ['CreditProvider'])
+
+        # Adding model 'CreditRequirement'
+        db.create_table('credit_creditrequirement', (
+            ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
+            ('created', self.gf('model_utils.fields.AutoCreatedField')(default=datetime.datetime.now)),
+            ('modified', self.gf('model_utils.fields.AutoLastModifiedField')(default=datetime.datetime.now)),
+            ('course', self.gf('django.db.models.fields.related.ForeignKey')(related_name='credit_requirements', to=orm['credit.CreditCourse'])),
+            ('namespace', self.gf('django.db.models.fields.CharField')(max_length=255)),
+            ('name', self.gf('django.db.models.fields.CharField')(max_length=255)),
+            ('configuration', self.gf('jsonfield.fields.JSONField')()),
+            ('active', self.gf('django.db.models.fields.BooleanField')(default=True)),
+        ))
+        db.send_create_signal('credit', ['CreditRequirement'])
+
+        # Adding unique constraint on 'CreditRequirement', fields ['namespace', 'name', 'course']
+        db.create_unique('credit_creditrequirement', ['namespace', 'name', 'course_id'])
+
+        # Adding model 'CreditRequirementStatus'
+        db.create_table('credit_creditrequirementstatus', (
+            ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
+            ('created', self.gf('model_utils.fields.AutoCreatedField')(default=datetime.datetime.now)),
+            ('modified', self.gf('model_utils.fields.AutoLastModifiedField')(default=datetime.datetime.now)),
+            ('username', self.gf('django.db.models.fields.CharField')(max_length=255, db_index=True)),
+            ('requirement', self.gf('django.db.models.fields.related.ForeignKey')(related_name='statuses', to=orm['credit.CreditRequirement'])),
+            ('status', self.gf('django.db.models.fields.CharField')(max_length=32)),
+        ))
+        db.send_create_signal('credit', ['CreditRequirementStatus'])
+
+        # Adding model 'CreditEligibility'
+        db.create_table('credit_crediteligibility', (
+            ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
+            ('created', self.gf('model_utils.fields.AutoCreatedField')(default=datetime.datetime.now)),
+            ('modified', self.gf('model_utils.fields.AutoLastModifiedField')(default=datetime.datetime.now)),
+            ('username', self.gf('django.db.models.fields.CharField')(max_length=255, db_index=True)),
+            ('course', self.gf('django.db.models.fields.related.ForeignKey')(related_name='eligibilities', to=orm['credit.CreditCourse'])),
+            ('provider', self.gf('django.db.models.fields.related.ForeignKey')(related_name='eligibilities', to=orm['credit.CreditProvider'])),
+        ))
+        db.send_create_signal('credit', ['CreditEligibility'])
+
+        # Adding unique constraint on 'CreditEligibility', fields ['username', 'course']
+        db.create_unique('credit_crediteligibility', ['username', 'course_id'])
+
+
+    def backwards(self, orm):
+        # Removing unique constraint on 'CreditEligibility', fields ['username', 'course']
+        db.delete_unique('credit_crediteligibility', ['username', 'course_id'])
+
+        # Removing unique constraint on 'CreditRequirement', fields ['namespace', 'name', 'course']
+        db.delete_unique('credit_creditrequirement', ['namespace', 'name', 'course_id'])
+
+        # Deleting model 'CreditCourse'
+        db.delete_table('credit_creditcourse')
+
+        # Deleting model 'CreditProvider'
+        db.delete_table('credit_creditprovider')
+
+        # Deleting model 'CreditRequirement'
+        db.delete_table('credit_creditrequirement')
+
+        # Deleting model 'CreditRequirementStatus'
+        db.delete_table('credit_creditrequirementstatus')
+
+        # Deleting model 'CreditEligibility'
+        db.delete_table('credit_crediteligibility')
+
+
+    models = {
+        'credit.creditcourse': {
+            'Meta': {'object_name': 'CreditCourse'},
+            'course_key': ('xmodule_django.models.CourseKeyField', [], {'unique': 'True', 'max_length': '255', 'db_index': 'True'}),
+            'enabled': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'})
+        },
+        'credit.crediteligibility': {
+            'Meta': {'unique_together': "(('username', 'course'),)", 'object_name': 'CreditEligibility'},
+            'course': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'eligibilities'", 'to': "orm['credit.CreditCourse']"}),
+            'created': ('model_utils.fields.AutoCreatedField', [], {'default': 'datetime.datetime.now'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'modified': ('model_utils.fields.AutoLastModifiedField', [], {'default': 'datetime.datetime.now'}),
+            'provider': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'eligibilities'", 'to': "orm['credit.CreditProvider']"}),
+            'username': ('django.db.models.fields.CharField', [], {'max_length': '255', 'db_index': 'True'})
+        },
+        'credit.creditprovider': {
+            'Meta': {'object_name': 'CreditProvider'},
+            'created': ('model_utils.fields.AutoCreatedField', [], {'default': 'datetime.datetime.now'}),
+            'display_name': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'modified': ('model_utils.fields.AutoLastModifiedField', [], {'default': 'datetime.datetime.now'}),
+            'provider_id': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '255', 'db_index': 'True'})
+        },
+        'credit.creditrequirement': {
+            'Meta': {'unique_together': "(('namespace', 'name', 'course'),)", 'object_name': 'CreditRequirement'},
+            'active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'configuration': ('jsonfield.fields.JSONField', [], {}),
+            'course': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'credit_requirements'", 'to': "orm['credit.CreditCourse']"}),
+            'created': ('model_utils.fields.AutoCreatedField', [], {'default': 'datetime.datetime.now'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'modified': ('model_utils.fields.AutoLastModifiedField', [], {'default': 'datetime.datetime.now'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
+            'namespace': ('django.db.models.fields.CharField', [], {'max_length': '255'})
+        },
+        'credit.creditrequirementstatus': {
+            'Meta': {'object_name': 'CreditRequirementStatus'},
+            'created': ('model_utils.fields.AutoCreatedField', [], {'default': 'datetime.datetime.now'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'modified': ('model_utils.fields.AutoLastModifiedField', [], {'default': 'datetime.datetime.now'}),
+            'requirement': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'statuses'", 'to': "orm['credit.CreditRequirement']"}),
+            'status': ('django.db.models.fields.CharField', [], {'max_length': '32'}),
+            'username': ('django.db.models.fields.CharField', [], {'max_length': '255', 'db_index': 'True'})
+        }
+    }
+
+    complete_apps = ['credit']

openedx/core/djangoapps/credit/models.py

+# -*- coding: utf-8 -*-
+"""
+Models for Credit Eligibility for courses.
+
+Credit courses allow students to receive university credit for
+successful completion of a course on EdX
+"""
+
+import logging
+
+from django.db import models
+from model_utils.models import TimeStampedModel
+from xmodule_django.models import CourseKeyField
+from jsonfield.fields import JSONField
+
+log = logging.getLogger(__name__)
+
+
+class CreditCourse(models.Model):
+    """Model for tracking a credit course."""
+
+    course_key = CourseKeyField(max_length=255, db_index=True, unique=True)
+    enabled = models.BooleanField(default=False)
+
+
+class CreditProvider(TimeStampedModel):
+    """This model represents an institution that can grant credit for a course.
+
+    Each provider is identified by unique ID (e.g., 'ASU').
+    """
+
+    provider_id = models.CharField(max_length=255, db_index=True, unique=True)
+    display_name = models.CharField(max_length=255)
+
+
+class CreditRequirement(TimeStampedModel):
+    """This model represents a credit requirement.
+
+    Each requirement is uniquely identified by a `namespace` and a `name`. CreditRequirements
+    also include a `configuration` dictionary, the format of which varies by the type of requirement.
+    The configuration dictionary provides additional information clients may need to determine
+    whether a user has satisfied the requirement.
+    """
+
+    course = models.ForeignKey(CreditCourse, related_name="credit_requirements")
+    namespace = models.CharField(max_length=255)
+    name = models.CharField(max_length=255)
+    configuration = JSONField()
+    active = models.BooleanField(default=True)
+
+    class Meta(object):
+        """Model metadata"""
+        unique_together = ('namespace', 'name', 'course')
+
+
+class CreditRequirementStatus(TimeStampedModel):
+    """This model represents the status of each requirement."""
+
+    REQUIREMENT_STATUS_CHOICES = (
+        ("satisfied", "satisfied"),
+    )
+
+    username = models.CharField(max_length=255, db_index=True)
+    requirement = models.ForeignKey(CreditRequirement, related_name="statuses")
+    status = models.CharField(choices=REQUIREMENT_STATUS_CHOICES, max_length=32)
+
+
+class CreditEligibility(TimeStampedModel):
+    """A record of a user's eligibility for credit from a specific credit
+    provider for a specific course.
+    """
+
+    username = models.CharField(max_length=255, db_index=True)
+    course = models.ForeignKey(CreditCourse, related_name="eligibilities")
+    provider = models.ForeignKey(CreditProvider, related_name="eligibilities")
+
+    class Meta(object):
+        """Model metadata"""
+        unique_together = ('username', 'course')

requirements/edx/base.txt

 # DON'T JUST ADD NEW DEPENDENCIES!!!
 #
 # If you open a pull request that adds a new dependency, you should notify:
-#   * @mollydb to check licensing
-#   * One of @e0d, @feanil, @fredsmith, @maxrothman, or @jibsheet
-#     to check system requirements
+#   * @mollydb - to check licensing
+#   * support@edx.org - to check system requirements
 
 beautifulsoup4==4.1.3
 beautifulsoup==3.2.1
@@ -154,3 +153,4 @@ analytics-python==0.4.4
 
 # Needed for mailchimp(mailing djangoapp)
 mailsnake==1.6.2
+jsonfield==1.0.3