Started work on remove feature

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

@@ -1,24 +1,43 @@
 <script>
+  import { RemoveItems } from '../../../../wailsjs/go/app/App';
   import CodeExample from '../../../components/code-example.svelte';
 
   export let collection;
 
-  let remove = '';
-  $: code = `db.${collection.key}.remove(${remove});`;
+  let json = '';
+  let many = true;
+  let result = undefined;
+  $: code = `db.${collection.key}.remove(${json});`;
 
-  function performRemove() {}
+  async function removeItems() {
+    result = await RemoveItems(collection.hostKey, collection.dbKey, collection.key, json, many);
+  }
 </script>
 
-<form on:submit|preventDefault={performRemove}>
+<form on:submit|preventDefault={removeItems}>
+  <div class="options">
     <CodeExample {code} />
+    <label class="field">
+      <span class="label">Many</span>
+      <span class="checkbox">
+        <input type="checkbox" bind:checked={many} />
+      </span>
+    </label>
+  </div>
 
   <label class="field">
-    <textarea cols="30" rows="10" bind:value={remove} placeholder={'{}'} class="code"></textarea>
+    <textarea cols="30" rows="10" bind:value={json} placeholder={'{}'} class="code"></textarea>
   </label>
 
   <div class="flex">
-    <div></div>
-    <button type="submit" class="btn" disabled={!remove}>Remove</button>
+    <div>
+      {#key result}
+        {#if typeof result === 'number'}
+          <span class="flash-green">Removed {result} item{result === 1 ? '' : 's'}</span>
+        {/if}
+      {/key}
+    </div>
+    <button type="submit" class="btn">Remove</button>
   </div>
 </form>
 
@@ -29,6 +48,12 @@
     gap: 0.5rem;
   }
 
+  .options {
+    display: grid;
+    gap: 0.5rem;
+    grid-template: 1fr / 1fr auto;
+  }
+
   .flex {
     display: flex;
     justify-content: space-between;

frontend/src/reset.css

@@ -61,6 +61,8 @@ button {
 /* Inputs */
 input {
 	font: inherit;
+}
+input:not([type="checkbox"]) {
 	min-width: 100px;
 	width: 100%;
 }

frontend/src/style.css

@@ -55,6 +55,7 @@ p strong {
     border-right: none;
     display: inline-block;
     margin: 0;
+    background-color: #fff;
 }
 .field .label {
     background-color: #eee;
@@ -85,6 +86,10 @@ p strong {
     background-color: rgba(255, 80, 80, 0.3);
     border-color: rgb(255, 80, 80);
 }
+.field > span.checkbox {
+    text-align: center;
+    min-width: 75px;
+}
 
 .btn {
     background-color: #00008b;

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

@@ -21,3 +21,5 @@ export function OpenCollection(arg1:string,arg2:string,arg3:string):Promise<prim
 export function OpenConnection(arg1:string):Promise<Array<string>>;
 
 export function OpenDatabase(arg1:string,arg2:string):Promise<Array<string>>;
+
+export function RemoveItems(arg1:string,arg2:string,arg3:string,arg4:string,arg5:boolean):Promise<number>;

frontend/wailsjs/go/app/App.js

@@ -37,3 +37,7 @@ export function OpenConnection(arg1) {
 export function OpenDatabase(arg1, arg2) {
   return window['go']['app']['App']['OpenDatabase'](arg1, arg2);
 }
+
+export function RemoveItems(arg1, arg2, arg3, arg4, arg5) {
+  return window['go']['app']['App']['RemoveItems'](arg1, arg2, arg3, arg4, arg5);
+}

internal/app/collection_remove.go

@@ -0,0 +1,69 @@
+package app
+
+import (
+	"encoding/json"
+	"fmt"
+	"strings"
+
+	"github.com/wailsapp/wails/v2/pkg/runtime"
+	"go.mongodb.org/mongo-driver/bson"
+	"go.mongodb.org/mongo-driver/mongo"
+)
+
+func (a *App) RemoveItems(hostKey, dbKey, collKey, jsonData string, many bool) int64 {
+	var filter bson.M
+	var err error
+	jsonData = strings.TrimSpace(jsonData)
+
+	if len(jsonData) == 0 {
+		sure, _ := runtime.MessageDialog(a.ctx, runtime.MessageDialogOptions{
+			Title:         "Confirm",
+			Message:       "Are you sure you want to drop all items in " + collKey + "?",
+			Buttons:       []string{"Yes", "No"},
+			DefaultButton: "Yes",
+			CancelButton:  "No",
+		})
+		if sure != "Yes" {
+			return 0
+		}
+	} else {
+		err = json.Unmarshal([]byte(jsonData), &filter)
+		if err != nil {
+			fmt.Println(err.Error())
+			runtime.MessageDialog(a.ctx, runtime.MessageDialogOptions{
+				Type:    runtime.ErrorDialog,
+				Title:   "Couldn't parse JSON",
+				Message: err.Error(),
+			})
+			return 0
+		}
+	}
+
+	client, ctx, close, err := a.connectToHost(hostKey)
+	if err != nil {
+		fmt.Println(err.Error())
+		return 0
+	}
+
+	defer close()
+
+	var res *mongo.DeleteResult
+
+	if many {
+		res, err = client.Database(dbKey).Collection(collKey).DeleteMany(ctx, filter)
+	} else {
+		res, err = client.Database(dbKey).Collection(collKey).DeleteOne(ctx, filter)
+	}
+
+	if err != nil {
+		fmt.Println(err.Error())
+		runtime.MessageDialog(a.ctx, runtime.MessageDialogOptions{
+			Type:    runtime.ErrorDialog,
+			Title:   "Encountered an error while performing query",
+			Message: err.Error(),
+		})
+		return 0
+	}
+
+	return res.DeletedCount
+}