Chapter 7: initial samples

2020-05-16 14:33:26 +01:00
parent bcf782f7dc
commit adb2130b38
140 changed files with 1777 additions and 1960 deletions
@@ -0,0 +1,42 @@
+{
+  "name": "redis-app",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "denque": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/denque/-/denque-1.4.1.tgz",
+      "integrity": "sha512-OfzPuSZKGcgr96rf1oODnfjqBFmr1DVoc/TrItj3Ohe0Ah1C5WX5Baquw/9U9KovnQ88EqmJbD66rKYUQYN1tQ=="
+    },
+    "redis": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/redis/-/redis-3.0.2.tgz",
+      "integrity": "sha512-PNhLCrjU6vKVuMOyFu7oSP296mwBkcE6lrAjruBYG5LgdSqtRBoVQIylrMyVZD/lkF24RSNNatzvYag6HRBHjQ==",
+      "requires": {
+        "denque": "^1.4.1",
+        "redis-commands": "^1.5.0",
+        "redis-errors": "^1.2.0",
+        "redis-parser": "^3.0.0"
+      }
+    },
+    "redis-commands": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/redis-commands/-/redis-commands-1.5.0.tgz",
+      "integrity": "sha512-6KxamqpZ468MeQC3bkWmCB1fp56XL64D4Kf0zJSwDZbVLLm7KFkoIcHrgRvQ+sk8dnhySs7+yBg94yIkAK7aJg=="
+    },
+    "redis-errors": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/redis-errors/-/redis-errors-1.2.0.tgz",
+      "integrity": "sha1-62LSrbFeTq9GEMBK/hUpOEJQq60="
+    },
+    "redis-parser": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/redis-parser/-/redis-parser-3.0.0.tgz",
+      "integrity": "sha1-tm2CjNyv5rS4pCin3vTGvKwxyLQ=",
+      "requires": {
+        "redis-errors": "^1.0.0"
+      }
+    }
+  }
+}
@@ -0,0 +1,15 @@
+{
+  "name": "redis-app",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "redis": "^3.0.2"
+  }
+}
@@ -0,0 +1,37 @@
+const redis = require('redis')
+const client = redis.createClient({
+    port: 6380,
+    password: "PASSWORD"
+})
+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()
+    })
+}
@@ -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()
+    })
+}