Chapter 7: initial samples

Chapter07/redis-app/tasks.js

@@ -0,0 +1,34 @@
+const redis = require('redis')
+const client = redis.createClient()
+const task = process.argv[2]
+
+client.on('error', (err) => {
+    console.log("Error:", err)
+})
+
+if (!task) {
+    listTasks()
+} else {
+    addTask(task)
+}
+
+function addTask(task) {
+    const key = `Task: ${Math.random().toString(32).replace('.', '')}`
+    client.hmset(key, {
+        task
+    })
+    listTasks()
+}
+
+function listTasks() {
+    client.keys('Task:*', (err, keys) => {
+        if (err) throw err
+        keys.forEach(key => {
+            client.hgetall(key, (err, task) => {
+                if (err) throw err
+                console.log(task)
+            })
+        })
+        client.quit()
+    })
+}