Major refactoring and fixes.

* Split Node into multiple types and make sure fields are actually set
  when type says so.
* Refactor request handling.
* Start getting rid of moment as a dependency by using
  UnixTimestampSeconds instead.

server/types/index.ts

@@ -1,4 +1,19 @@
-import {Domain, EmailAddress, JSONObject, MonitoringToken, OnlineState, Site, toIsEnum} from "./shared";
+import {
+    CreateOrUpdateNode,
+    Domain,
+    DomainSpecificNodeResponse,
+    EmailAddress,
+    JSONObject,
+    MonitoringResponse,
+    MonitoringState,
+    MonitoringToken,
+    NodeResponse,
+    NodeTokenResponse,
+    OnlineState,
+    Site,
+    StoredNode,
+    toIsEnum,
+} from "./shared";
 
 export * from "./config";
 export * from "./database";
@@ -11,6 +26,60 @@ export type NodeStateData = {
     state: OnlineState,
 }
 
+export function toCreateOrUpdateNode(node: StoredNode): CreateOrUpdateNode {
+    return {
+        nickname: node.nickname,
+        email: node.email,
+        hostname: node.hostname,
+        coords: node.coords,
+        key: node.key,
+        mac: node.mac,
+        monitoring: node.monitoringState !== MonitoringState.DISABLED,
+    }
+}
+
+export function toNodeResponse(node: StoredNode): NodeResponse {
+    return {
+        token: node.token,
+        nickname: node.nickname,
+        email: node.email,
+        hostname: node.hostname,
+        coords: node.coords,
+        key: node.key,
+        mac: node.mac,
+        monitoring: node.monitoringState !== MonitoringState.DISABLED,
+        monitoringConfirmed: node.monitoringState === MonitoringState.ACTIVE,
+        monitoringState: node.monitoringState,
+        modifiedAt: node.modifiedAt,
+    }
+}
+
+export function toNodeTokenResponse(node: StoredNode): NodeTokenResponse {
+    return {
+        token: node.token,
+        node: toNodeResponse(node),
+    }
+}
+
+export function toDomainSpecificNodeResponse(node: StoredNode, nodeStateData: NodeStateData): DomainSpecificNodeResponse {
+    return {
+        ...toNodeResponse(node),
+        site: nodeStateData.site,
+        domain: nodeStateData.domain,
+        onlineState: nodeStateData.state,
+    }
+}
+
+export function toMonitoringResponse(node: StoredNode): MonitoringResponse {
+    return {
+        hostname: node.hostname,
+        mac: node.mac,
+        email: node.email,
+        monitoring: node.monitoringState !== MonitoringState.DISABLED,
+        monitoringConfirmed: node.monitoringState === MonitoringState.ACTIVE,
+    };
+}
+
 // TODO: Complete interface / class declaration.
 export type NodeSecrets = {
     monitoringToken?: MonitoringToken,