chat: associations data structure -> nested object

Before this, it was a Map. But because we want to store multiple app
metadata stores -- and because maps are specialised objects -- this
commit restructures the store, reducers, and rewrites behaviour first.

pkg/interface/chat/src/js/components/root.js

@@ -45,7 +45,7 @@ export class Root extends Component {
       state.invites['/chat'] : {};
 
     let contacts = !!state.contacts ? state.contacts : {};
-    let associations = !!state.associations ? state.associations : new Map;
+    let associations = !!state.associations ? state.associations : {chat: {}, contacts: {}};
 
     const renderChannelSidebar = (props, station) => (
       <Sidebar
@@ -154,11 +154,11 @@ export class Root extends Component {
               };
 
               let roomContacts = {};
-              let associatedGroup = ((associations.has(station)) &&
-              (associations.get(station)["group-path"]))
-                ? associations.get(station)["group-path"] : "";
+              let associatedGroup = ((associations.chat[station]) &&
+              (associations.chat[station]["group-path"]))
+                ? associations.chat[station]["group-path"] : "";
 
-              if ((associations.has(station)) && (associatedGroup in contacts)) {
+              if ((associations.chat[station]) && (associatedGroup in contacts)) {
                 roomContacts = contacts[associatedGroup]
               }
 
@@ -247,8 +247,8 @@ export class Root extends Component {
 
               let popout = props.match.url.includes("/popout/");
 
-              let association = (associations.has(station))
-                ? associations.get(station) : {};
+              let association = (associations.chat[station])
+                ? associations.chat[station] : {};
 
               return (
                 <Skeleton

pkg/interface/chat/src/js/components/sidebar.js

@@ -40,9 +40,9 @@ export class Sidebar extends Component {
         let when = !!msg ? msg.when : 0;
 
         let title = box;
-        if ((props.associations.has(box)) && (props.associations.get(box).metadata)) {
-        title = (props.associations.get(box).metadata.title)
-          ? props.associations.get(box).metadata.title : box;
+        if ((props.associations.chat[box]) && (props.associations.chat[box].metadata)) {
+        title = (props.associations.chat[box].metadata.title)
+          ? props.associations.chat[box].metadata.title : box;
         }
 
         let nickname = author;

pkg/interface/chat/src/js/reducers/metadata-update.js

@@ -14,10 +14,14 @@ export class MetadataReducer {
   associations(json, state) {
     let data = _.get(json, 'associations', false);
     if (data) {
-      let metadata = new Map;
+      let metadata = state.associations;
       Object.keys(data).map((channel) => {
         let channelObj = data[channel];
-        metadata.set(channelObj["app-path"], channelObj);
+        let app = data[channel]["app-name"];
+        if (!metadata[app]) {
+          metadata[app] = {};
+        }
+        metadata[app][channelObj["app-path"]] =  channelObj;
       })
       state.associations = metadata;
     }
@@ -27,7 +31,11 @@ export class MetadataReducer {
     let data = _.get(json, 'add', false);
     if (data) {
       let metadata = state.associations;
-      metadata.set(data["app-path"], data);
+      let app = data["app-name"];
+      if (!metadata[app]) {
+        metadata[app] = {};
+      }
+      metadata[app][data["app-path"]] = data;
       state.associations = metadata;
     }
   }
@@ -36,7 +44,8 @@ export class MetadataReducer {
     let data = _.get(json, 'update-metadata', false);
     if (data) {
       let metadata = state.associations;
-      metadata.set(data["app-path"], data);
+      let app = data["app-name"];
+      metadata[app][data["app-path"]] = data;
       state.associations = metadata;
     }
   }
@@ -45,7 +54,11 @@ export class MetadataReducer {
     let data = _.get(json, 'remove', false);
     if (data) {
       let metadata = state.associations;
-      metadata.delete(data["app-path"]);
+      let app = data["app-name"];
+      if (!metadata[app]) {
+        return false;
+      }
+      delete metadata[app][data["app-path"]];
       state.associations = metadata;
     }
   }

pkg/interface/chat/src/js/store.js

@@ -16,7 +16,10 @@ class Store {
       contacts: {},
       permissions: {},
       invites: {},
-      associations: new Map,
+      associations: {
+        chat: {},
+        contacts: {}
+      },
       spinner: false,
       sidebarShown: true,
       pendingMessages: new Map([]),