Create bulk prepaids script

scripts/mongodb/createBulkPrepaids.js

@@ -0,0 +1,60 @@
+// Bulk create prepaid codes + email message
+
+// Usage:
+// mongo <address>:<port>/<database> <script file> -u <username> -p <password>
+
+var num = 10;
+var message = "Thanks for filling out the form.  You can follow this link to enable your free teacher subscription.  If you have any questions or comments, please let me know.";
+var urlPrefix = "https://codecombat.com/account/subscription?_ppc=";
+var creatorID = "52f94443fcb334581466a992";
+
+for (var i = 0; i < num; i++) {
+  createPrepaid();
+}
+
+function createPrepaid()
+{
+  generateNewCode(function(code) {
+    if (!code) {
+      print("ERROR: no code");
+      return;
+    }
+    criteria = {
+      creator: creatorID,
+      type: 'subscription',
+      status: 'active',
+      code: code,
+      properties: {
+        couponID: 'free'
+      },
+      __v: 0
+    };
+    db.prepaids.insert(criteria);
+
+    print(message + "  " + urlPrefix + code);
+  });
+}
+
+function generateNewCode(done)
+{
+  function tryCode() {
+    code = createCode(8);
+    criteria = {code: code};
+    if (db.prepaids.findOne(criteria)) {
+      return tryCode();
+    }
+    return done(code);
+  }
+  tryCode();
+}
+
+function createCode(length)
+{
+    var text = "";
+    var possible = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
+
+    for( var i=0; i < length; i++ )
+        text += possible.charAt(Math.floor(Math.random() * possible.length));
+
+    return text;
+}