Add eWeLink authentication

package.json

@@ -26,6 +26,7 @@
   "homepage": "https://github.com/ottoszika/node-red-contrib-ewelink#readme",
   "node-red": {
     "nodes": {
+      "ewlink-credentials": "src/credentials/credentials.js",
       "basic": "src/basic/basic.js"
     }
   },

src/credentials/credentials.html

@@ -0,0 +1,28 @@
+<script type="text/javascript">
+    RED.nodes.registerType('ewelink-credentials', {
+        category: 'config',
+        credentials: {
+            email: { type: 'email' },
+            password: { type: 'password' },
+            region: { type: 'text' }
+        },
+        label: function () {
+            return this.credentials.email + ' | ' + this.credentials.region;
+        }
+    });
+</script>
+
+<script type="text/x-red" data-template-name="ewelink-credentials">
+    <div class="form-row">
+        <label for="node-config-input-email"><i class="fa fa-envelope"></i> Email</label>
+        <input type="email" id="node-config-input-email">
+    </div>
+    <div class="form-row">
+        <label for="node-config-input-password"><i class="fa fa-lock"></i> Password</label>
+        <input type="password" id="node-config-input-password">
+    </div>
+    <div class="form-row">
+        <label for="node-config-input-region"><i class="fa fa-globe"></i> Region</label>
+        <input type="text" id="node-config-input-region">
+    </div>
+</script>

src/credentials/credentials.js

@@ -0,0 +1,29 @@
+/**
+ * Credentials node.
+ * This is a configuration node that holds the credentials for eWeLink.
+ */
+module.exports = function (RED) {
+  /**
+   * Credentials node constructor.
+   * 
+   * @param {object} config The configuration for the node.
+   */
+  function CredentialsNode(config) {
+    // Create the node
+    RED.nodes.createNode(this, config);
+
+    // Unpack credentials
+    this.email = this.credentials.email;
+    this.password = this.credentials.password;
+    this.region = this.credentials.region;
+  }
+
+  // Register node
+  RED.nodes.registerType('ewelink-credentials', CredentialsNode, {
+    credentials: {
+      email: { type: 'email' },
+      password: { type: 'password' },
+      region: { type: 'text' }
+    }
+  });
+}

test/credentials_spec.js

@@ -0,0 +1,49 @@
+var helper = require('node-red-node-test-helper');
+var credentialsNode = require('../src/credentials/credentials');
+
+describe('Credentials Node', function () {
+
+  var credentials = {
+    n1: {
+      email: 'dummy@dummy.tld',
+      password: 'abcd',
+      region: 'eu'
+    }
+  };
+
+  beforeEach(function (done) {
+    helper.startServer(done);
+  });
+
+  afterEach(function (done) {
+    helper.unload().then(function () {
+      helper.stopServer(done);
+    });
+  });
+
+  it('should be loaded', function (done) {
+    var flow = [{ id: 'n1', type: 'ewelink-credentials' }];
+    helper.load(credentialsNode, flow, credentials, function () {
+      var n1 = helper.getNode('n1');
+
+      n1.credentials.should.have.property('email', 'dummy@dummy.tld');
+      n1.credentials.should.have.property('password', 'abcd');
+      n1.credentials.should.have.property('region', 'eu');
+
+      done();
+    });
+  });
+
+  it('should unpack credentials', function (done) {
+    var flow = [{ id: 'n1', type: 'ewelink-credentials' }];
+    helper.load(credentialsNode, flow, credentials, function () {
+      var n1 = helper.getNode('n1');
+
+      n1.should.have.property('email', 'dummy@dummy.tld');
+      n1.should.have.property('password', 'abcd');
+      n1.should.have.property('region', 'eu');
+
+      done();
+    });
+  });
+});