add pearson import confirmation tool

common/djangoapps/student/management/commands/pearson_import_conf_zip.py

+import csv
+
+from zipfile import ZipFile
+from time import strptime, strftime
+
+from collections import OrderedDict
+from datetime import datetime
+from os.path import isdir
+from optparse import make_option
+
+from django.core.management.base import BaseCommand, CommandError
+
+from student.models import TestCenterUser, TestCenterRegistration
+
+class Command(BaseCommand):
+    
+    
+    args = '<input zip file>'
+    help = """
+    Import Pearson confirmation files and update TestCenterUser and TestCenterRegistration tables
+    with status.
+    """
+    def handle(self, *args, **kwargs):
+        if len(args) < 1:
+            print Command.help
+            return
+
+        source_zip = args[0]
+        # TODO: check that it's a zip
+        
+        
+        # loop through all files in zip, and process them based on filename prefix:
+        with ZipFile(source_zip, 'r') as zipfile:
+            for fileinfo in zipfile.infolist():
+                with zipfile.open(fileinfo) as zipentry:
+                    if fileinfo.filename.startswith("eac-"):
+                        self.process_eac(zipentry)
+                    elif fileinfo.filename.startswith("vcdc-"):
+                        self.process_vcdc(zipentry)
+                    else:
+                        raise CommandError("Unrecognized confirmation file type \"{}\" in confirmation zip file \"{}\"".format(fileinfo.filename, zipfile))
+        
+    def process_eac(self, eacfile):       
+        print "processing eac"
+        reader = csv.DictReader(eacfile, delimiter="\t")
+        for row in reader:
+            client_authorization_id = row['ClientAuthorizationID']
+            if client_authorization_id is not None:
+                try:
+                    registration = TestCenterRegistration.objects.get(client_authorization_id=client_authorization_id)
+                    print "Found authorization record for user {}".format(registration.testcenter_user.user.username)
+                    # now update the record:
+                    registration.upload_status = row['Status']
+                    registration.upload_error_message =  row['Message']
+                    try:
+                        registration.processed_at = strftime('%Y-%m-%d %H:%M:%S', strptime(row['Date'], '%Y/%m/%d %H:%M:%S'))
+                    except ValueError as ve:
+                        print "Bad Date value found for {}: message {}".format(client_authorization_id, ve)
+                    # store the Authorization Id if one is provided.  (For debugging)
+                    if row['AuthorizationID']:
+                        try:
+                            registration.authorization_id = int(row['AuthorizationID'])
+                        except ValueError as ve:
+                            print "Bad AuthorizationID value found for {}: message {}".format(client_authorization_id, ve)
+                                
+                    registration.confirmed_at = datetime.utcnow()
+                    registration.save()
+                except TestCenterRegistration.DoesNotExist:
+                    print " Failed to find record for client_auth_id {}".format(client_authorization_id)
+        
+    def process_vcdc(self, vcdcfile):       
+        print "processing vcdc"
+        reader = csv.DictReader(vcdcfile, delimiter="\t")
+        for row in reader:
+            client_candidate_id = row['ClientCandidateID']
+            if client_candidate_id is not None:
+                try:
+                    tcuser = TestCenterUser.objects.get(client_candidate_id=client_candidate_id)
+                    print "Found demographics record for user {}".format(tcuser.user.username)
+                    # now update the record:
+                    tcuser.upload_status = row['Status']
+                    tcuser.upload_error_message =  row['Message']
+                    try:
+                        tcuser.processed_at = strftime('%Y-%m-%d %H:%M:%S', strptime(row['Date'], '%Y/%m/%d %H:%M:%S'))
+                    except ValueError as ve:
+                        print "Bad Date value found for {}: message {}".format(client_candidate_id, ve)
+                    # store the Authorization Id if one is provided.  (For debugging)
+                    if row['CandidateID']:
+                        try:
+                            tcuser.candidate_id = int(row['CandidateID'])
+                        except ValueError as ve:
+                            print "Bad CandidateID value found for {}: message {}".format(client_candidate_id, ve)
+                    tcuser.confirmed_at = datetime.utcnow()
+                    tcuser.save()
+                except TestCenterUser.DoesNotExist:
+                    print " Failed to find record for client_candidate_id {}".format(client_candidate_id)
+        
+        
+#    def _try_parse_time(self, key):
+#        """
+#        Parse an optional metadata key containing a time: if present, complain
+#        if it doesn't parse.
+#        Return None if not present or invalid.
+#        """
+#        if key in self.exam_info:
+#                try:
+#                    return parse_time(self.exam_info[key])
+#                except ValueError as e:
+#                    msg = "Exam {0} in course {1} loaded with a bad exam_info key '{2}': '{3}'".format(self.exam_name, self.course_id, self.exam_info[key], e)
+#                    log.warning(msg)
+#                return None
+#        
+#        with open(destfile, "wb") as outfile:
+#            writer = csv.DictWriter(outfile,
+#                                    Command.CSV_TO_MODEL_FIELDS,
+#                                    delimiter="\t",
+#                                    quoting=csv.QUOTE_MINIMAL,
+#                                    extrasaction='ignore')
+#            writer.writeheader()
+#            for tcu in TestCenterUser.objects.order_by('id'):
+#                if dump_all or tcu.needs_uploading:
+#                    record = dict((csv_field, ensure_encoding(getattr(tcu, model_field)))
+#                                  for csv_field, model_field
+#                                  in Command.CSV_TO_MODEL_FIELDS.items())
+#                    record["LastUpdate"] = record["LastUpdate"].strftime("%Y/%m/%d %H:%M:%S")
+#                    writer.writerow(record)
+#                    tcu.uploaded_at = uploaded_at
+#                    tcu.save()
+
+
+