Merge branch 'feature/cale/cms-master' of github.com:MITx/mitx into bug/dhm/dec12

cms/djangoapps/contentstore/management/commands/clone.py

@@ -0,0 +1,31 @@
+###
+### Script for cloning a course
+###
+from django.core.management.base import BaseCommand, CommandError
+from xmodule.modulestore.store_utilities import clone_course
+from xmodule.modulestore.django import modulestore
+from xmodule.contentstore.django import contentstore
+from xmodule.modulestore import Location
+from xmodule.course_module import CourseDescriptor
+
+#
+# To run from command line: rake cms:clone SOURCE_LOC=MITx/111/Foo1 DEST_LOC=MITx/135/Foo3
+#
+
+class Command(BaseCommand):
+    help = \
+'''Clone a MongoDB backed course to another location'''
+
+    def handle(self, *args, **options):
+        if len(args) != 2:
+            raise CommandError("clone requires two arguments: <source-location> <dest-location>")
+
+        source_location_str = args[0]
+        dest_location_str = args[1]
+
+        print "Cloning course {0} to {1}".format(source_location_str, dest_location_str)
+
+        source_location = CourseDescriptor.id_to_location(source_location_str)
+        dest_location = CourseDescriptor.id_to_location(dest_location_str)
+
+        clone_course(modulestore('direct'), contentstore(), source_location, dest_location)

cms/djangoapps/contentstore/management/commands/delete_course.py

@@ -0,0 +1,36 @@
+###
+### Script for cloning a course
+###
+from django.core.management.base import BaseCommand, CommandError
+from xmodule.modulestore.store_utilities import delete_course
+from xmodule.modulestore.django import modulestore
+from xmodule.contentstore.django import contentstore
+from xmodule.modulestore import Location
+from xmodule.course_module import CourseDescriptor
+from prompt import query_yes_no
+
+from auth.authz import _delete_course_group
+
+#
+# To run from command line: rake cms:delete_course LOC=MITx/111/Foo1
+#
+
+class Command(BaseCommand):
+    help = \
+'''Delete a MongoDB backed course'''
+
+    def handle(self, *args, **options):
+        if len(args) != 1:
+            raise CommandError("delete_course requires one arguments: <location>")
+
+        loc_str = args[0]
+
+        if query_yes_no("Deleting course {0}. Confirm?".format(loc_str), default="no"):
+          if query_yes_no("Are you sure. This action cannot be undone!", default="no"):
+            loc = CourseDescriptor.id_to_location(loc_str)
+            if delete_course(modulestore('direct'), contentstore(), loc) == True:
+              # in the django layer, we need to remove all the user permissions groups associated with this course
+              _delete_course_group(loc)            
+
+
+

cms/djangoapps/contentstore/management/commands/prompt.py

@@ -0,0 +1,33 @@
+import sys
+
+def query_yes_no(question, default="yes"):
+    """Ask a yes/no question via raw_input() and return their answer.
+
+    "question" is a string that is presented to the user.
+    "default" is the presumed answer if the user just hits <Enter>.
+        It must be "yes" (the default), "no" or None (meaning
+        an answer is required of the user).
+
+    The "answer" return value is one of "yes" or "no".
+    """
+    valid = {"yes":True,   "y":True,  "ye":True,
+             "no":False,     "n":False}
+    if default == None:
+        prompt = " [y/n] "
+    elif default == "yes":
+        prompt = " [Y/n] "
+    elif default == "no":
+        prompt = " [y/N] "
+    else:
+        raise ValueError("invalid default answer: '%s'" % default)
+
+    while True:
+        sys.stdout.write(question + prompt)
+        choice = raw_input().lower()
+        if default is not None and choice == '':
+            return valid[default]
+        elif choice in valid:
+            return valid[choice]
+        else:
+            sys.stdout.write("Please respond with 'yes' or 'no' "\
+                             "(or 'y' or 'n').\n")

cms/djangoapps/contentstore/tests/test_utils.py

@@ -0,0 +1,18 @@
+from django.test.testcases import TestCase
+from  cms.djangoapps.contentstore import utils
+import mock
+
+class LMSLinksTestCase(TestCase):
+    def about_page_test(self):
+        location = 'i4x','mitX','101','course', 'test'
+        utils.get_course_id = mock.Mock(return_value="mitX/101/test")
+        link = utils.get_lms_link_for_about_page(location)
+        self.assertEquals(link, "//localhost:8000/courses/mitX/101/test/about")
+
+    def ls_link_test(self):
+        location = 'i4x','mitX','101','vertical', 'contacting_us'
+        utils.get_course_id = mock.Mock(return_value="mitX/101/test")
+        link = utils.get_lms_link_for_item(location, False)
+        self.assertEquals(link, "//localhost:8000/courses/mitX/101/test/jump_to/i4x://mitX/101/vertical/contacting_us")
+        link = utils.get_lms_link_for_item(location, True)
+        self.assertEquals(link, "//preview.localhost:8000/courses/mitX/101/test/jump_to/i4x://mitX/101/vertical/contacting_us")

cms/djangoapps/contentstore/utils.py

@@ -73,20 +73,38 @@ def get_course_for_item(location):
 
 
 def get_lms_link_for_item(location, preview=False):
-    location = Location(location)
     if settings.LMS_BASE is not None:
         lms_link = "//{preview}{lms_base}/courses/{course_id}/jump_to/{location}".format(
             preview='preview.' if preview else '',
             lms_base=settings.LMS_BASE,
-            # TODO: These will need to be changed to point to the particular instance of this problem in the particular course
-            course_id=modulestore().get_containing_courses(location)[0].id,
-            location=location,
+            course_id=get_course_id(location),
+            location=Location(location)
         )
     else:
         lms_link = None
 
     return lms_link
 
+def get_lms_link_for_about_page(location):
+    """
+    Returns the url to the course about page from the location tuple.
+    """
+    if settings.LMS_BASE is not None:
+        lms_link = "//{lms_base}/courses/{course_id}/about".format(
+            lms_base=settings.LMS_BASE,
+            course_id=get_course_id(location)
+        )
+    else:
+        lms_link = None
+
+    return lms_link
+
+def get_course_id(location):
+    """
+    Returns the course_id from a given the location tuple.
+    """
+    # TODO: These will need to be changed to point to the particular instance of this problem in the particular course
+    return modulestore().get_containing_courses(Location(location))[0].id
 
 class UnitState(object):
     draft = 'draft'