Add getPrepaidsFor script for updating start/end dates

scripts/mongodb/stored/deteacher.js

@@ -28,11 +28,11 @@ var deteacher = function deteacher(email) {
   else {
     print('Unset role', db.users.update({_id: user._id}, {$unset: {role: ''}}));
   }
-}
+};
 
 db.system.js.save(
   {
     _id: 'deteacher',
     value: deteacher
   }
-)
+);

scripts/mongodb/stored/getPrepaidsFor.js

@@ -0,0 +1,57 @@
+// Script for changing prepaid start/end dates and propagating them to users.
+
+/*
+ *  Usage
+ *  ---------------
+ *  In mongo shell
+ *
+ *  > db.loadServerScripts();
+ *  > var prepaids = getPrepaidsFor('some@email.com');  // prints basic stats for prepaids found
+ *  > prepaids.models                                   // Raw prepaid data
+ *  > prepaids.setStart(2001,1,1)                       // Set start date
+ *  > prepaids.setEnd(2100,1,1)                         // Set end date
+ */
+
+
+function getPrepaidsFor(email) {
+    var user = db.users.findOne({emailLower: email.toLowerCase()});
+    if (!user) {
+        print('User not found');
+        return;
+    }
+    
+    var result = {};
+    result.models = db.prepaids.find({creator: user._id}).toArray();
+    result.setStart = function(year, month, day) {
+        var startDate = new Date(Date.UTC(year, month-1, day)).toISOString();
+        print('setting to', startDate);
+        for (var i in this.models) {
+            var prepaid = this.models[i];
+            print('Prepaid update', db.prepaids.update({_id: prepaid._id}, {$set: {startDate: startDate}}));
+            print('User update', db.users.update({'coursePrepaid._id': prepaid._id}, {$set: {'coursePrepaid.startDate': startDate}}, {multi: true}));
+        }
+    };
+    result.setEnd = function(year, month, day) {
+        var endDate = new Date(Date.UTC(year, month-1, day)).toISOString();
+        print('setting to', endDate);
+        for (var i in this.models) {
+            var prepaid = this.models[i];
+            print('Prepaid update', db.prepaids.update({_id: prepaid._id}, {$set: {endDate: endDate}}));
+            print('User update', db.users.update({'coursePrepaid._id': prepaid._id}, {$set: {'coursePrepaid.endDate': endDate}}, {multi: true}));
+        }
+    };
+    
+    for (var i in result.models) {
+        var prepaid = result.models[i];
+        print('Prepaid:', prepaid.startDate, 'to', prepaid.endDate, 'with', prepaid.redeemers.length, '/', prepaid.maxRedeemers, 'uses');
+    }
+    return result;
+}
+
+
+db.system.js.save(
+    {
+        _id: 'getPrepaidsFor',
+        value: getPrepaidsFor
+    }
+);