Implement layout and device list page

server/device.js

@@ -0,0 +1,152 @@
+"use strict";
+
+function recursive(input, root, output, timestamp) {
+  for (let [name, tree] of Object.entries(input)) {
+    if (root.length === 0)
+      if (name === "_lastInform") {
+        output["Events.Inform"] = {
+          value: [timestamp, "xsd:dateTime"],
+          valueTimestamp: timestamp,
+          writable: false,
+          writableTimestamp: timestamp,
+          object: false,
+          objectTimestamp: timestamp
+        };
+      } else if (name === "_registered") {
+        output["Events.Registered"] = {
+          value: [timestamp, "xsd:dateTime"],
+          valueTimestamp: timestamp,
+          writable: false,
+          writableTimestamp: timestamp,
+          object: false,
+          objectTimestamp: timestamp
+        };
+      } else if (name === "_lastBoot") {
+        output["Events.1_BOOT"] = {
+          value: [timestamp, "xsd:dateTime"],
+          valueTimestamp: timestamp,
+          writable: false,
+          writableTimestamp: timestamp,
+          object: false,
+          objectTimestamp: timestamp
+        };
+      } else if (name === "_lastBootstrap") {
+        output["Events.0_BOOTSTRAP"] = {
+          value: [timestamp, "xsd:dateTime"],
+          valueTimestamp: timestamp,
+          writable: false,
+          writableTimestamp: timestamp,
+          object: false,
+          objectTimestamp: timestamp
+        };
+      } else if (name === "_id") {
+        output["DeviceID.ID"] = {
+          value: [tree, "xsd:string"],
+          valueTimestamp: timestamp,
+          writable: false,
+          writableTimestamp: timestamp,
+          object: false,
+          objectTimestamp: timestamp
+        };
+      } else if (name === "_deviceId") {
+        output["DeviceID.Manufacturer"] = {
+          value: [tree["_Manufacturer"], "xsd:string"],
+          valueTimestamp: timestamp,
+          writable: false,
+          writableTimestamp: timestamp,
+          object: false,
+          objectTimestamp: timestamp
+        };
+        output["DeviceID.OUI"] = {
+          value: [tree["_OUI"], "xsd:string"],
+          valueTimestamp: timestamp,
+          writable: false,
+          writableTimestamp: timestamp,
+          object: false,
+          objectTimestamp: timestamp
+        };
+        output["DeviceID.ProductClass"] = {
+          value: [tree["_ProductClass"], "xsd:string"],
+          valueTimestamp: timestamp,
+          writable: false,
+          writableTimestamp: timestamp,
+          object: false,
+          objectTimestamp: timestamp
+        };
+        output["DeviceID.SerialNumber"] = {
+          value: [tree["_SerialNumber"], "xsd:string"],
+          valueTimestamp: timestamp,
+          writable: false,
+          writableTimestamp: timestamp,
+          object: false,
+          objectTimestamp: timestamp
+        };
+      } else if (name === "_tags") {
+        output["Tags"] = {
+          writable: true,
+          writableTimestamp: timestamp,
+          object: true,
+          objectTimestamp: timestamp
+        };
+
+        for (let t of tree)
+          output[`Tags.${t}`] = {
+            value: [true, "xsd:boolean"],
+            valueTimestamp: timestamp,
+            writable: false,
+            writableTimestamp: timestamp,
+            object: false,
+            objectTimestamp: timestamp
+          };
+      }
+
+    if (name.startsWith("_")) continue;
+
+    let childrenTimestamp = timestamp;
+
+    if (root.length === 0) childrenTimestamp = input["_timestamp"] || 1;
+    else if (input["_timestamp"] > timestamp)
+      childrenTimestamp = input["_timestamp"];
+
+    const attrs = {};
+    if (tree["_value"]) {
+      attrs["value"] = [tree["_value"], tree["_type"]];
+      attrs["valueTimestamp"] = childrenTimestamp;
+      attrs["object"] = false;
+      attrs["objectTimestamp"] = childrenTimestamp;
+    } else if (tree["_object"]) {
+      attrs["object"] = tree["_object"];
+      attrs["objectTimestamp"] = childrenTimestamp;
+    }
+
+    if (tree["_writable"]) {
+      attrs["writable"] = tree["_writable"];
+      attrs["writableTimestamp"] = childrenTimestamp;
+    }
+
+    let r = root.concat(name);
+    output[r.join(".")] = attrs;
+
+    if (attrs["object"]) recursive(tree, r, output, childrenTimestamp);
+  }
+}
+
+function transpose(device) {
+  const newDevice = {};
+  const timestamp = new Date(device["_lastInform"] || 1).getTime();
+  recursive(device, [], newDevice, timestamp);
+  return newDevice;
+}
+
+function transposeQuery(query) {
+  const newQuery = {};
+
+  for (let [key, val] of Object.entries(query))
+    if (key.startsWith("$")) newQuery[key] = transposeQuery(val);
+    else if (key === "DeviceID.ID") newQuery["_id"] = val;
+
+  return newQuery;
+}
+
+exports.transpose = transpose;
+exports.transposeQuery = transposeQuery;