first iteration of settings states

src/app/states/settings.state.ts

@@ -0,0 +1,80 @@
+import { State, Action, StateContext } from '@ngxs/store';
+
+export class RemoveUserSettings {
+    static readonly type = '[Settings] Remove UserSettings';
+    constructor(public accountId: string) {}
+}
+
+export class SaveUserSettings {
+    static readonly type = '[Settings] Update UserSettings';
+    constructor(public userSettings: UserSettings) {}
+}
+
+export class SaveSettings {
+    static readonly type = '[Settings] Update UserSettings';
+    constructor(public settings: GlobalSettings) {}
+}
+
+export class UserSettings {
+    accountId: string;
+    displayMention: boolean = true;
+    displayNotifications: boolean = true;
+    lastMentionReadId: string;
+    lastNotificationReadId: string;
+}
+
+export class GlobalSettings {
+    disableAllNotifications = false;
+    userSettings: UserSettings[] = [];
+}
+
+export interface SettingsStateModel {
+    settings: GlobalSettings;
+}
+
+@State<SettingsStateModel>({
+    name: 'globalsettings',
+    defaults: {
+        settings: new GlobalSettings()
+    }
+})
+export class SettingsState {    
+    @Action(RemoveUserSettings)
+    RemoveUserSettings(ctx: StateContext<SettingsStateModel>, action: RemoveUserSettings){
+        const state = ctx.getState();
+        const newSettings = new GlobalSettings();
+
+        newSettings.disableAllNotifications = state.settings.disableAllNotifications;
+        newSettings.userSettings = [...state.settings.userSettings.filter(x => x.accountId !== action.accountId)];
+                  
+        ctx.patchState({
+            settings: newSettings
+        });
+    }
+
+    @Action(SaveUserSettings)
+    SaveUserSettings(ctx: StateContext<SettingsStateModel>, action: SaveUserSettings){
+        const state = ctx.getState();
+        const newSettings = new GlobalSettings();
+
+        newSettings.disableAllNotifications = state.settings.disableAllNotifications;
+        newSettings.userSettings = [...state.settings.userSettings.filter(x => x.accountId !== action.userSettings.accountId), action.userSettings];
+
+        ctx.patchState({
+            settings: newSettings
+        });
+    }
+
+    @Action(SaveSettings)
+    SaveSettings(ctx: StateContext<SettingsStateModel>, action: SaveSettings){
+        const state = ctx.getState();
+        const newSettings = new GlobalSettings();
+
+        newSettings.disableAllNotifications = action.settings.disableAllNotifications;
+        newSettings.userSettings = [...state.settings.userSettings];
+        
+        ctx.patchState({
+            settings: newSettings
+        });
+    }
+}