Make emails editable

src/routes/private/events/event/view/+page.svelte

@@ -10,7 +10,6 @@
 	import EmailSending from './components/EmailSending.svelte';
 	import EmailResults from './components/EmailResults.svelte';
 	import Statistics from './components/Statistics.svelte';
-	import ToastContainer from '$lib/components/ToastContainer.svelte';
 	import { toast } from '$lib/stores/toast.js';
 
 	let { data } = $props();
@@ -48,6 +47,7 @@
 	let participantsLoading = $state(true);
 	let syncingParticipants = $state(false);
 	let sendingEmails = $state(false);
+	let updatingEmail = $state(false);
 	let emailProgress = $state({ sent: 0, total: 0 });
 	let emailResults = $state<{success: boolean, results: any[], summary: any} | null>(null);
 
@@ -268,6 +268,42 @@
 		}
 	}
 
+	// For Email Template updating
+	async function handleEmailUpdate(eventId: string, subject: string, body: string) {
+		updatingEmail = true;
+		
+		try {
+			// Call the email_modify RPC function
+			const { error } = await data.supabase.rpc('email_modify', {
+				p_event_id: eventId,
+				p_email_subject: subject,
+				p_email_body: body
+			});
+			
+			if (error) throw error;
+			
+			// Update the local event data on success
+			if (event) {
+				event.email_subject = subject;
+				event.email_body = body;
+			}
+			
+			toast.add({
+				message: 'Email template updated successfully',
+				type: 'success'
+			});
+			
+		} catch (err) {
+			console.error('Error updating email template:', err);
+			toast.add({
+				message: 'Failed to update email template',
+				type: 'error'
+			});
+		} finally {
+			updatingEmail = false;
+		}
+	}
+
 	function handleGoogleAuthSuccess() {
 		// Success handled by toast in the component
 	}
@@ -312,7 +348,12 @@ onSyncParticipants={syncParticipants}
 	/>
 </div>
 
-<EmailTemplate {event} {loading} />
+<EmailTemplate 
+	{event} 
+	{loading}
+	{updatingEmail}
+	onUpdateEmail={handleEmailUpdate} 
+/>
 
 <EmailSending 
   {loading}

src/routes/private/events/event/view/components/EmailTemplate.svelte

@@ -1,18 +1,104 @@
 <script lang="ts">
   interface Event {
+    id: string;
     email_subject: string;
     email_body: string;
   }
 
-  let { event, loading } = $props<{
+  let { 
+    event, 
+    loading, 
+    updatingEmail, 
+    onUpdateEmail 
+  } = $props<{
     event: Event | null;
     loading: boolean;
+    updatingEmail: boolean;
+    onUpdateEmail: (eventId: string, subject: string, body: string) => void;
   }>();
+  
+  // State for form
+  let isEditing = $state(false);
+  let emailSubject = $state('');
+  let emailBody = $state('');
+  
+  // Update form values when event changes
+  $effect(() => {
+    if (event) {
+      emailSubject = event.email_subject;
+      emailBody = event.email_body;
+    }
+  });
+  
+  // Toggle editing mode
+  function toggleEdit() {
+    isEditing = !isEditing;
+    // Reset form when exiting edit mode without saving
+    if (!isEditing && event) {
+      emailSubject = event.email_subject;
+      emailBody = event.email_body;
+    }
+  }
+  
+  // Track the previous updatingEmail state to detect changes
+  let wasUpdating = $state(false);
+  
+  // Save email template
+  function handleSave() {
+    if (!event) return;
+    onUpdateEmail(event.id, emailSubject, emailBody);
+  }
+  
+  // Watch for updatingEmail changes to detect when operation completes
+  $effect(() => {
+    // Detect the transition from updating to not updating (operation completed)
+    if (wasUpdating && !updatingEmail) {
+      // If event data matches our form data, the update was successful
+      // Turn off editing mode after successful update
+      if (event && event.email_subject === emailSubject && event.email_body === emailBody) {
+        isEditing = false;
+      }
+    }
+    
+    // Store current state for next comparison
+    wasUpdating = updatingEmail;
+  });
 </script>
 
 <div class="rounded-lg border border-gray-300 bg-white p-6 mb-4">
-  <div class="mb-4">
+  <div class="mb-4 flex justify-between items-center">
     <h2 class="text-xl font-semibold text-gray-900">Email Template</h2>
+    {#if !loading && event}
+      <div class="flex gap-3">
+        {#if isEditing}
+        <button
+          onclick={handleSave}
+          disabled={updatingEmail}
+          class="rounded bg-blue-600 px-4 py-2 text-white transition hover:bg-blue-700 disabled:cursor-not-allowed disabled:opacity-50"
+          aria-label="Save email template"
+        >
+          {updatingEmail ? 'Saving...' : 'Save'}
+        </button>
+          <button 
+            onclick={toggleEdit}
+            class="rounded bg-gray-300 px-4 py-2 text-gray-700 transition hover:bg-gray-400 disabled:cursor-not-allowed disabled:opacity-50"
+            disabled={updatingEmail}
+            aria-label="Cancel editing"
+          >
+            Cancel
+          </button>
+        {:else}
+          <button 
+            onclick={toggleEdit}
+            class="rounded bg-blue-600 px-4 py-2 text-white transition hover:bg-blue-700 disabled:cursor-not-allowed disabled:opacity-50"
+            disabled={updatingEmail}
+            aria-label="Edit email template"
+          >
+            Edit Email
+          </button>
+        {/if}
+      </div>
+    {/if}
   </div>
   
   {#if loading}
@@ -31,17 +117,34 @@
   {:else if event}
     <div class="space-y-4">
       <div>
-        <span class="block mb-1 text-sm font-medium text-gray-700">Subject:</span>
-        <div class="bg-gray-50 p-3 rounded-lg border border-gray-200">
-          <p class="text-sm text-gray-900">{event.email_subject}</p>
-        </div>
+        <label for="emailSubject" class="block mb-1 text-sm font-medium text-gray-700">Subject:</label>
+        <input
+          id="emailSubject"
+          type="text"
+          bind:value={emailSubject}
+          disabled={!isEditing || updatingEmail}
+          class="w-full px-3 py-2 border border-gray-300 rounded-lg {!isEditing ? 'bg-gray-50 cursor-default' : ''} focus:ring-blue-500 focus:border-blue-500 disabled:bg-gray-50"
+        />
       </div>
+      
       <div>
-        <span class="block mb-1 text-sm font-medium text-gray-700">Body:</span>
-        <div class="bg-gray-50 p-3 rounded-lg border border-gray-200 max-h-48 overflow-y-auto">
-          <p class="text-sm whitespace-pre-wrap text-gray-900">{event.email_body}</p>
-        </div>
+        <label for="emailBody" class="block mb-1 text-sm font-medium text-gray-700">Body:</label>
+        <textarea
+          id="emailBody"
+          bind:value={emailBody}
+          rows="6"
+          disabled={!isEditing || updatingEmail}
+          class="w-full px-3 py-2 border border-gray-300 rounded-lg {!isEditing ? 'bg-gray-50 cursor-default' : ''} focus:ring-blue-500 focus:border-blue-500 disabled:bg-gray-50"
+        ></textarea>
+        {#if isEditing}
+          <div class="mt-2 text-xs text-gray-500">
+            Template variables: <span class="font-mono bg-gray-100 px-1 rounded">&#123;name&#125;</span>, 
+            <span class="font-mono bg-gray-100 px-1 rounded">&#123;surname&#125;</span>
+          </div>
+        {/if}
       </div>
+      
+      <!-- Save button moved to the header -->
     </div>
   {/if}
 </div>