Add domaindb logic

src/domaindb.js

@@ -0,0 +1,95 @@
+/* jslint node:true */
+
+'use strict';
+
+exports = module.exports = {
+    add: add,
+    get: get,
+    getAll: getAll,
+    update: update,
+    del: del,
+
+    _clear: clear
+};
+
+var assert = require('assert'),
+    database = require('./database.js'),
+    DatabaseError = require('./databaseerror'),
+    safe = require('safetydance');
+
+function postProcess(data) {
+    data.config = safe.JSON.parse(data.configJson);
+
+    return data;
+}
+
+function get(domain, callback) {
+    assert.strictEqual(typeof domain, 'string');
+    assert.strictEqual(typeof callback, 'function');
+
+    database.query('SELECT * FROM domains WHERE domain=?', [ domain ], function (error, result) {
+        if (error) return callback(new DatabaseError(DatabaseError.INTERNAL_ERROR, error));
+        if (result.length === 0) return callback(new DatabaseError(DatabaseError.NOT_FOUND));
+
+        postProcess(result[0]);
+
+        callback(null, result[0]);
+    });
+}
+
+function getAll(callback) {
+    database.query('SELECT * FROM domains ORDER BY domain', function (error, results) {
+        if (error) return callback(new DatabaseError(DatabaseError.INTERNAL_ERROR, error));
+
+        results.forEach(postProcess);
+
+        callback(null, results);
+    });
+}
+
+function add(domain, zoneName, config, callback) {
+    assert.strictEqual(typeof domain, 'string');
+    assert.strictEqual(typeof zoneName, 'string');
+    assert.strictEqual(typeof config, 'object');
+    assert.strictEqual(typeof callback, 'function');
+
+    database.query('INSERT INTO domains (domain, zoneName, configJson) VALUES (?, ?, ?)', [ domain, zoneName, JSON.stringify(config) ], function (error) {
+        if (error && error.code === 'ER_DUP_ENTRY') return callback(new DatabaseError(DatabaseError.ALREADY_EXISTS, error));
+        if (error) return callback(new DatabaseError(DatabaseError.INTERNAL_ERROR, error));
+
+        callback(null);
+    });
+}
+
+function update(domain, config, callback) {
+    assert.strictEqual(typeof domain, 'string');
+    assert.strictEqual(typeof config, 'object');
+    assert.strictEqual(typeof callback, 'function');
+
+    database.query('UPDATE domains SET configJson=? WHERE domain=?', [ JSON.stringify(config), domain ], function (error) {
+        if (error && error.reason === DatabaseError.NOT_FOUND) return callback(new DatabaseError(DatabaseError.NOT_FOUND));
+        if (error) return callback(new DatabaseError(DatabaseError.INTERNAL_ERROR, error));
+
+        callback(null);
+    });
+}
+
+function del(domain, callback) {
+    assert.strictEqual(typeof domain, 'string');
+    assert.strictEqual(typeof callback, 'function');
+
+    database.query('DELETE FROM domains WHERE domain=?', [ domain ], function (error, result) {
+        if (error) return callback(new DatabaseError(DatabaseError.INTERNAL_ERROR, error));
+        if (result.affectedRows !== 1) return callback(new DatabaseError(DatabaseError.NOT_FOUND));
+
+        callback(null);
+    });
+}
+
+function clear(callback) {
+    database.query('DELETE FROM domains', function (error) {
+        if (error) return callback(new DatabaseError(DatabaseError.INTERNAL_ERROR, error));
+
+        callback(error);
+    });
+}