refactord, tidied up, added icon for storage and a new node for writing buffers to storage files

storage/storage-read.html

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+<script type="text/javascript">
+  RED.nodes.registerType('storage-read',{
+
+    category: 'firebase-admin',
+    color: '#a6bbcf',
+    defaults: {
+      name: {value:""},
+      path: {value:""},
+      bucket: {value:""},
+      cred: {value: "", type: 'firebase-config'}
+    },
+    inputs:1,
+    outputs:1,
+    icon: "storage.png",
+    label: function() {
+      return this.name||"storage-read";
+    }
+
+  });
+
+</script>
+
+<script type="text/x-red" data-template-name="storage-read">
+  <div class="form-row">
+  <label for="node-input-bucket"><i class="icon-tag"></i> Bucket Name</label>
+<input type="text" id="node-input-bucket" placeholder="Bucket Name">
+  </div>
+
+  <div class="form-row">
+  <label for="node-input-path"><i class="icon-tag"></i> Path</label>
+<input type="text" id="node-input-path" placeholder="Path">
+  </div>
+
+  <div class="form-row">
+  <label for="node-input-cred"><i class="icon-tag"></i> Credentials</label>
+<input type="text" id="node-input-cred" placeholder="Name">
+  </div>
+
+  </script>
+
+  <script type="text/x-red" data-help-name="storage-read">
+  <p>A node that read files from bucket path in google cloud storage</p>
+</script>

storage/storage-read.js

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+
+
+let oldpath
+
+module.exports = function(RED) {
+
+  function FirebaseAdmin(config) {
+    RED.nodes.createNode(this, config);
+    var node = this;
+
+
+    if(config.cred){
+      let c = RED.nodes.getNode(config.cred)
+      this.admin = c.admin
+      this.storage = c.storage
+      this.bucket = config.bucket || c.bucket
+      this.path = config.path
+    }
+
+    //console.log('configuring storage-read to listen for messages')
+    node.on('input', function(msg) {
+      if(msg && msg.payload){
+        let path = msg.payload.path || this.path
+        let bucket = msg.payload.bucket || this.bucket
+        console.log('storage-read reading from bucket "'+bucket+'" path "'+path+'"')
+        this.storage
+        .bucket(bucket)
+        .file(path).download().then((file)=>{
+          console.log('storage-read got file')
+          //console.dir(file)
+          node.send({payload:file})
+
+        })
+      }
+    }.bind(this));
+
+
+  }
+  RED.nodes.registerType("storage-read", FirebaseAdmin);
+}

storage/storage-write.html

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+<script type="text/javascript">
+  RED.nodes.registerType('storage-write',{
+
+    category: 'firebase-admin',
+    color: '#a6bbcf',
+    defaults: {
+      name: {value:""},
+      path: {value:""},
+      bucket: {value:""},
+      cred: {value: "", type: 'firebase-config'}
+    },
+    inputs:1,
+    outputs:0,
+    icon: "storage.png",
+    label: function() {
+      return this.name||"storage-write";
+    }
+
+  });
+
+</script>
+
+<script type="text/x-red" data-template-name="storage-write">
+  <div class="form-row">
+  <label for="node-input-bucket"><i class="icon-tag"></i> Bucket Name</label>
+<input type="text" id="node-input-bucket" placeholder="Bucket Name">
+  </div>
+
+  <div class="form-row">
+  <label for="node-input-path"><i class="icon-tag"></i> Path</label>
+<input type="text" id="node-input-path" placeholder="Path">
+  </div>
+
+  <div class="form-row">
+  <label for="node-input-cred"><i class="icon-tag"></i> Credentials</label>
+<input type="text" id="node-input-cred" placeholder="Name">
+  </div>
+
+  </script>
+
+<script type="text/x-red" data-help-name="storage-write">
+  <p>A node that read files from bucket path in google cloud storage</p>
+</script>

storage/storage-write.js

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+
+module.exports = function(RED) {
+
+  function FirebaseAdmin(config) {
+    RED.nodes.createNode(this, config);
+    var node = this;
+
+
+    if(config.cred){
+      let c = RED.nodes.getNode(config.cred)
+      this.admin = c.admin
+      this.storage = c.storage
+      this.bucket = config.bucket || c.bucket
+      this.path = config.path
+    }
+
+    //console.log('configuring storage-write to listen for messages')
+    node.on('input', function(msg) {
+      if(msg && msg.payload){
+        let path = msg.payload.path || this.path
+        let bucket = msg.payload.bucket || this.bucket
+        let contents = msg.payload.contents
+        let options ={
+          contentType: msg.payload.contentType || 'auto',
+          metadata: msg.payload.metadata || {},
+          private: msg.payload.private || true,
+          public: msg.payload.public || true,
+        }
+        console.log('storage-write writing file to bucket "'+bucket+'" path "'+path+'"')
+        console.dir(msg.payload)
+        const myBucket = this.storage.bucket(bucket);
+        const file = myBucket.file(path);
+        file.save(contents, options, function(err) {
+          if (!err) {
+            // File written successfully.
+          } else {
+            console.log('cloud storage write error: '+err)
+          }
+        });
+      }
+    }.bind(this));
+
+
+  }
+  RED.nodes.registerType("storage-write", FirebaseAdmin);
+}