Application settings

frontend/src/app.svelte

@@ -1,21 +1,20 @@
 <script>
-  import { onMount } from 'svelte';
   import { OpenConnection } from '../wailsjs/go/app/App';
-  import { Environment, WindowSetTitle } from '../wailsjs/runtime';
+  import { WindowSetTitle } from '../wailsjs/runtime';
   import BlankState from './components/blankstate.svelte';
   import ContextMenu from './components/contextmenu.svelte';
   import AddressBar from './organisms/addressbar/index.svelte';
   import Connection from './organisms/connection/index.svelte';
-  import { busy, contextMenu, connections } from './stores';
+  import Settings from './organisms/settings/index.svelte';
+  import { busy, contextMenu, connections, environment, applicationSettings } from './stores';
+  import { controlKeyDown } from './utils';
 
   let hosts = {};
-  let environment;
-
   let activeHostKey = '';
   let activeDbKey = '';
   let activeCollKey = '';
-
   let addressBarModalOpen = true;
+  let settingsModalOpen = false;
 
   $: host = hosts[activeHostKey];
   $: connection = $connections[activeHostKey];
@@ -39,17 +38,20 @@
     busy.end();
   }
 
-  onMount(() => {
-    Environment().then(e => environment = e);
-  });
+  function keydown(e) {
+    if (controlKeyDown(e) && e.key === ',') {
+      settingsModalOpen = true;
+      e.preventDefault();
+    }
+  }
 </script>
 
-<svelte:window on:contextmenu|preventDefault />
+<svelte:window on:contextmenu|preventDefault on:keydown={keydown} />
 
-<div id="root" class="platform-{environment?.platform}">
+<div id="root" class="platform-{$environment?.platform}">
   <div class="titlebar"></div>
 
-  {#if environment}
+  {#if $environment && $applicationSettings}
     <main class:empty={!host || !connection}>
       <AddressBar bind:hosts bind:activeHostKey on:select={e => openConnection(e.detail)} bind:modalOpen={addressBarModalOpen} />
 
@@ -63,6 +65,7 @@
     {#key $contextMenu}
       <ContextMenu {...$contextMenu} on:close={contextMenu.hide} />
     {/key}
+    <Settings bind:show={settingsModalOpen} />
   {/if}
 </div>
 

frontend/src/organisms/connection/collection/find.svelte

@@ -8,15 +8,16 @@
   import FindViewConfigModal from './find-viewconfig.svelte';
   import { onMount } from 'svelte';
   import Grid from '../../../components/grid.svelte';
+  import { applicationSettings } from '../../../stores';
 
   export let collection;
 
   const defaults = {
     query: '{}',
-    sort: '{ "_id": 1 }',
+    sort: $applicationSettings.defaultSort || '{ "_id": 1 }',
     fields: '{}',
     skip: 0,
-    limit: 15,
+    limit: $applicationSettings.defaultLimit || 15,
   };
 
   let form = { ...defaults };
@@ -72,8 +73,10 @@
 
   async function refresh() {
     await getViewConfig();
+    if ($applicationSettings.autosubmitQuery) {
       await submitQuery();
     }
+  }
 
   function prev() {
     form.skip -= form.limit;

frontend/src/organisms/connection/index.svelte

@@ -1,7 +1,6 @@
 <script>
   import { onMount, tick } from 'svelte';
   import { Hosts } from '../../../wailsjs/go/app/App';
-  import { Environment } from '../../../wailsjs/runtime';
   import { input } from '../../actions';
   import Modal from '../../components/modal.svelte';
   import DatabaseList from './dblist.svelte';
@@ -13,7 +12,6 @@
   export let activeDbKey = '';
   export let activeCollKey = '';
 
-  let environment;
   let addressBarModalOpen = true;
   let dbList;
 
@@ -43,7 +41,6 @@
   }
 
   onMount(() => {
-    Environment().then(e => environment = e);
     Hosts().then(h => hosts = h);
   });
 </script>

frontend/src/organisms/settings/index.svelte

@@ -0,0 +1,37 @@
+<script>
+  import { input } from '../../actions';
+  import Modal from '../../components/modal.svelte';
+  import { applicationSettings as settings } from '../../stores';
+
+  export let show = false;
+</script>
+
+<Modal title="Prefrences" bind:show>
+  <div class="prefs">
+    <label for="defaultLimit">Initial number of items to retrieve using one query (limit):</label>
+    <label class="field">
+      <input type="number" bind:value={$settings.defaultLimit} id="defaultLimit" use:input={{ autofocus: true }} />
+      <span class="label">items</span>
+    </label>
+
+    <label for="defaultSort">Default sort query</label>
+    <label class="field">
+      <input type="text" class="code" bind:value={$settings.defaultSort} id="defaultSort" use:input={{ json: true }} />
+    </label>
+
+    <label for="autosubmitQuery">Autosubmit query</label>
+    <span>
+      <input type="checkbox" id="autosubmitQuery" bind:checked={$settings.autosubmitQuery} />
+      <label for="autosubmitQuery">Query items automatically when you open a collection</label>
+    </span>
+  </div>
+</Modal>
+
+<style>
+  .prefs {
+    display: grid;
+    grid-template-columns: auto auto;
+    gap: 0.5rem;
+    align-items: center;
+  }
+</style>

frontend/src/stores.js

@@ -1,4 +1,6 @@
 import { writable } from 'svelte/store';
+import { Environment } from '../wailsjs/runtime/runtime';
+import { Settings, UpdateSettings } from '../wailsjs/go/app/App';
 
 export const busy = (() => {
   const { update, subscribe } = writable(0);
@@ -21,6 +23,7 @@ export const busy = (() => {
 
 export const contextMenu = (() => {
   const { set, subscribe } = writable();
+
   return {
     show: (evt, menu) => set(menu ? {
       position: [ evt.clientX, evt.clientY ],
@@ -32,3 +35,31 @@ export const contextMenu = (() => {
 })();
 
 export const connections = writable({});
+
+export const applicationSettings = (() => {
+  const { set, subscribe } = writable({});
+  const reload = async() => {
+    const newSettings = await Settings();
+    set(newSettings);
+    return newSettings;
+  };
+
+  reload();
+  subscribe(newSettings => {
+    UpdateSettings(JSON.stringify(newSettings || {}));
+  });
+
+  return { reload, set, subscribe };
+})();
+
+export const environment = (() => {
+  const { set, subscribe } = writable({});
+  const reload = async() => {
+    const newEnv = await Environment();
+    set(newEnv);
+    return newEnv;
+  };
+
+  reload();
+  return { reload, subscribe };
+})();

frontend/src/utils.js

@@ -1,3 +1,6 @@
+import { get } from 'svelte/store';
+import { environment } from './stores';
+
 export function resolveKeypath(object, path) {
   // Get a value from an object with a JSON path, from Webdesq core
 
@@ -19,3 +22,14 @@ export function resolveKeypath(object, path) {
 
   return result;
 }
+
+export function controlKeyDown(event) {
+  const env = get(environment);
+  // @ts-ignore
+  if (env?.platform === 'darwin') {
+    return event?.metaKey;
+  }
+  else {
+    return event?.ctrlKey;
+  }
+}

frontend/wailsjs/go/app/App.d.ts

@@ -32,6 +32,10 @@ export function RemoveItemById(arg1:string,arg2:string,arg3:string,arg4:string):
 
 export function RemoveItems(arg1:string,arg2:string,arg3:string,arg4:string,arg5:boolean):Promise<number>;
 
+export function Settings():Promise<app.Settings>;
+
 export function UpdateHost(arg1:string,arg2:string):Promise<void>;
 
 export function UpdateItems(arg1:string,arg2:string,arg3:string,arg4:string):Promise<number>;
+
+export function UpdateSettings(arg1:string):Promise<app.Settings>;

frontend/wailsjs/go/app/App.js

@@ -58,6 +58,10 @@ export function RemoveItems(arg1, arg2, arg3, arg4, arg5) {
   return window['go']['app']['App']['RemoveItems'](arg1, arg2, arg3, arg4, arg5);
 }
 
+export function Settings() {
+  return window['go']['app']['App']['Settings']();
+}
+
 export function UpdateHost(arg1, arg2) {
   return window['go']['app']['App']['UpdateHost'](arg1, arg2);
 }
@@ -65,3 +69,7 @@ export function UpdateHost(arg1, arg2) {
 export function UpdateItems(arg1, arg2, arg3, arg4) {
   return window['go']['app']['App']['UpdateItems'](arg1, arg2, arg3, arg4);
 }
+
+export function UpdateSettings(arg1) {
+  return window['go']['app']['App']['UpdateSettings'](arg1);
+}

frontend/wailsjs/go/models.ts

@@ -1,5 +1,21 @@
 export namespace app {
 	
+	export class Settings {
+	    defaultLimit: number;
+	    defaultSort: string;
+	    autosubmitQuery: boolean;
+	
+	    static createFrom(source: any = {}) {
+	        return new Settings(source);
+	    }
+	
+	    constructor(source: any = {}) {
+	        if ('string' === typeof source) source = JSON.parse(source);
+	        this.defaultLimit = source["defaultLimit"];
+	        this.defaultSort = source["defaultSort"];
+	        this.autosubmitQuery = source["autosubmitQuery"];
+	    }
+	}
 	export class findResult {
 	    total: number;
 	    results: any;

internal/app/settings.go

@@ -1,18 +1,37 @@
 package app
 
 import (
+	"encoding/json"
 	"errors"
+	"fmt"
+	"io/ioutil"
 	"os"
 	"path/filepath"
-	"runtime"
+	goRuntime "runtime"
+
+	"github.com/wailsapp/wails/v2/pkg/runtime"
 )
 
+type Settings struct {
+	DefaultLimit    int64  `json:"defaultLimit"`
+	DefaultSort     string `json:"defaultSort"`
+	AutosubmitQuery bool   `json:"autosubmitQuery"`
+}
+
+func NewSettings() Settings {
+	return Settings{
+		DefaultLimit:    20,
+		DefaultSort:     `{ "_id": 1 }`,
+		AutosubmitQuery: true,
+	}
+}
+
 func appDataDirectory() (string, error) {
 	var err error
 	homeDir, err := os.UserHomeDir()
 	prefDir := ""
 
-	switch runtime.GOOS {
+	switch goRuntime.GOOS {
 	case "windows":
 		prefDir = filepath.Join(homeDir, "/AppData/Local/Mongodup")
 	case "darwin":
@@ -35,3 +54,85 @@ func appDataFilePath(filename string) (string, error) {
 	path := filepath.Join(dir, filename)
 	return path, nil
 }
+
+func (a *App) Settings() Settings {
+	s := NewSettings()
+	filePath, err := appDataFilePath("settings.json")
+	if err != nil {
+		fmt.Println(err.Error())
+		runtime.MessageDialog(a.ctx, runtime.MessageDialogOptions{
+			Type:    runtime.ErrorDialog,
+			Title:   "Could not retrieve application settings, using defaults!",
+			Message: err.Error(),
+		})
+		return s
+	}
+
+	jsonData, err := ioutil.ReadFile(filePath)
+	if err != nil {
+		// It's ok if the file cannot be opened, for example if it is not accessible.
+		// Therefore no error is returned.
+		fmt.Println(err.Error())
+		return s
+	}
+
+	if len(jsonData) == 0 {
+		return s
+	} else {
+		err = json.Unmarshal(jsonData, &s)
+
+		if err != nil {
+			fmt.Println(err.Error())
+			runtime.MessageDialog(a.ctx, runtime.MessageDialogOptions{
+				Type:    runtime.ErrorDialog,
+				Title:   "Could not retrieve application settings, using defaults!",
+				Message: err.Error(),
+			})
+		}
+		return s
+	}
+}
+
+func (a *App) UpdateSettings(jsonData string) Settings {
+	s := a.Settings()
+	err := json.Unmarshal([]byte(jsonData), &s)
+	if err != nil {
+		runtime.MessageDialog(a.ctx, runtime.MessageDialogOptions{
+			Type:    runtime.InfoDialog,
+			Title:   "Malformed JSON",
+			Message: err.Error(),
+		})
+		return s
+	}
+
+	filePath, err := appDataFilePath("settings.json")
+	if err != nil {
+		runtime.MessageDialog(a.ctx, runtime.MessageDialogOptions{
+			Type:    runtime.InfoDialog,
+			Title:   "Could not update settings.json",
+			Message: err.Error(),
+		})
+		return s
+	}
+
+	newJson, err := json.MarshalIndent(s, "", "\t")
+	if err != nil {
+		runtime.MessageDialog(a.ctx, runtime.MessageDialogOptions{
+			Type:    runtime.InfoDialog,
+			Title:   "Could not marshal settings into JSON",
+			Message: err.Error(),
+		})
+		return s
+	}
+
+	err = ioutil.WriteFile(filePath, newJson, os.ModePerm)
+	if err != nil {
+		runtime.MessageDialog(a.ctx, runtime.MessageDialogOptions{
+			Type:    runtime.InfoDialog,
+			Title:   "Could not update host list",
+			Message: err.Error(),
+		})
+	}
+
+	return s
+}