refactored server

server/storage/index.js

@@ -0,0 +1,57 @@
+const config = require('../config');
+const Metadata = require('../metadata');
+const mozlog = require('../log');
+const createRedisClient = require('./redis');
+
+class DB {
+  constructor(config) {
+    const Storage = config.s3_bucket ? require('./s3') : require('./fs');
+    this.log = mozlog('send.storage');
+    this.expireSeconds = config.expire_seconds;
+    this.storage = new Storage(config, this.log);
+    this.redis = createRedisClient(config);
+    this.redis.on('error', err => {
+      this.log.error('Redis:', err);
+    });
+  }
+
+  async ttl(id) {
+    const result = await this.redis.ttlAsync(id);
+    return Math.ceil(result) * 1000;
+  }
+
+  length(id) {
+    return this.storage.length(id);
+  }
+
+  get(id) {
+    return this.storage.getStream(id);
+  }
+
+  async set(id, file, meta) {
+    await this.storage.set(id, file);
+    this.redis.hmset(id, meta);
+    this.redis.expire(id, this.expireSeconds);
+  }
+
+  setField(id, key, value) {
+    this.redis.hset(id, key, value);
+  }
+
+  del(id) {
+    this.redis.del(id);
+    return this.storage.del(id);
+  }
+
+  async ping() {
+    await this.redis.pingAsync();
+    await this.storage.ping();
+  }
+
+  async metadata(id) {
+    const result = await this.redis.hgetallAsync(id);
+    return result && new Metadata(result);
+  }
+}
+
+module.exports = new DB(config);