WiP on mailers

obsolete/lib/models/confirmations.js

@@ -0,0 +1,91 @@
+'use strict';
+
+let db = require('../db');
+let shortid = require('shortid');
+let helpers = require('../helpers');
+let _ = require('../translate')._;
+
+/*
+    Adds new entry to the confirmations tables. Generates confirmation cid, which it returns.
+ */
+module.exports.addConfirmation = (listId, action, ip, data, callback) => {
+    let cid = shortid.generate();
+
+    db.getConnection((err, connection) => {
+        if (err) {
+            return callback(err);
+        }
+
+        let query = 'INSERT INTO confirmations (cid, list, action, ip, data) VALUES (?,?,?,?,?)';
+        connection.query(query, [cid, listId, action, ip, JSON.stringify(data || {})], (err, result) => {
+            connection.release();
+            if (err) {
+                return callback(err);
+            }
+
+            if (!result || !result.affectedRows) {
+                return callback(new Error(_('Could not store confirmation data')));
+            }
+
+            return callback(null, cid);
+        });
+    });
+};
+
+/*
+    Atomically retrieves confirmation from the database, removes it from the database and returns it.
+ */
+module.exports.takeConfirmation = (cid, callback) => {
+    db.getConnection((err, connection) => {
+        if (err) {
+            return callback(err);
+        }
+
+        connection.beginTransaction(err => {
+            if (err) {
+                connection.release();
+                return callback(err);
+            }
+
+            let query = 'SELECT cid, list, action, ip, data FROM confirmations WHERE cid=? LIMIT 1';
+            connection.query(query, [cid], (err, rows) => {
+                if (err) {
+                    return helpers.rollbackAndReleaseConnection(connection, () => callback(err));
+                }
+
+                if (!rows || !rows.length) {
+                    return helpers.rollbackAndReleaseConnection(connection, () => callback(null, false));
+                }
+
+                connection.query('DELETE FROM confirmations WHERE `cid`=? LIMIT 1', [cid], () => {
+                    if (err) {
+                        return helpers.rollbackAndReleaseConnection(connection, () => callback(err));
+                    }
+
+                    connection.commit(err => {
+                        if (err) {
+                            return helpers.rollbackAndReleaseConnection(connection, () => callback(err));
+                        }
+                        connection.release();
+
+                        let data;
+                        try {
+                            data = JSON.parse(rows[0].data);
+                        } catch (E) {
+                            data = {};
+                        }
+
+                        const result = {
+                            listId: rows[0].list,
+                            action: rows[0].action,
+                            ip: rows[0].ip,
+                            data
+                        };
+
+                        return callback(null, result);
+                    });
+                });
+            });
+        });
+    });
+};