chat improvements

app/Http/Controllers/DynamicController.php

@@ -62,7 +62,7 @@ class DynamicController extends Controller
             'dynamic' => new DynamicResource($dynamic),
             'ledgers' => LedgerResource::collection($dynamic->ledgers),
             'participants' => UserResource::collection($dynamic->participants),
-            'messages' => MessageResource::collection($dynamic->chat->messages()->with(['user', 'media'])->latest()->paginate(10)),
+            'messages' => MessageResource::collection($dynamic->chat->messages()->with(['user', 'media'])->latest()->paginate(\App\Models\Message::PAGINATION_COUNT)),
             'can' => [
                 'update' => $request->user()->can('update', $dynamic),
             ],
@@ -73,7 +73,7 @@ class DynamicController extends Controller
     {
         $this->authorize('view', $dynamic);
 
-        return MessageResource::collection($dynamic->chat->messages()->with(['user', 'media'])->latest()->paginate(10));
+        return MessageResource::collection($dynamic->chat->messages()->with(['user', 'media'])->latest()->paginate(\App\Models\Message::PAGINATION_COUNT));
     }
 
     /**

app/Http/Controllers/LedgerController.php

@@ -87,7 +87,7 @@ class LedgerController extends Controller
             'ledger' => new LedgerResource($ledger),
             'mutations' => MutationResource::collection($ledger->mutations),
             'participants' => UserResource::collection($dynamic->participants),
-            'messages' => MessageResource::collection($dynamic->chat->messages()->with(['user', 'media'])->latest()->paginate(10)),
+            'messages' => MessageResource::collection($dynamic->chat->messages()->with(['user', 'media'])->latest()->paginate(\App\Models\Message::PAGINATION_COUNT)),
             'can' => [
                 'update' => $request->user()->can('update', $ledger),
                 'close' => $request->user()->can('close', $ledger),
@@ -99,7 +99,7 @@ class LedgerController extends Controller
     {
         $this->authorize('view', $ledger);
 
-        return MessageResource::collection($dynamic->chat->messages()->with(['user', 'media'])->latest()->paginate(10));
+        return MessageResource::collection($dynamic->chat->messages()->with(['user', 'media'])->latest()->paginate(\App\Models\Message::PAGINATION_COUNT));
     }
 
     /**

app/Models/Message.php

@@ -14,6 +14,8 @@ class Message extends Model
     /** @use HasFactory<MessageFactory> */
     use HasFactory;
 
+    const PAGINATION_COUNT = 6;
+
     protected $fillable = [
         'chat_id',
         'user_id',

resources/js/components/Chat.vue

@@ -2,7 +2,7 @@
 import { useForm, usePage, router } from '@inertiajs/vue3';
 import { useEcho, echoIsConfigured, configureEcho } from '@laravel/echo-vue';
 import { Paperclip, Info } from '@lucide/vue';
-import { ref, computed } from 'vue';
+import { ref, computed, watch } from 'vue';
 import { route } from 'ziggy-js';
 
 const props = withDefaults(
@@ -33,39 +33,86 @@ const props = withDefaults(
             } | null;
         }>;
         dynamicId: string;
+        ledgerId?: string | null;
         initialMessages?: {
             data: Array<any>;
-            next_page_url: string | null;
+            next_page_url?: string | null;
+            links?: {
+                next: string | null;
+            } | null;
+            current_page?: number;
+            meta?: {
+                current_page: number;
+            } | null;
         } | null;
     }>(),
     {
         participants: () => [],
         initialMessages: null,
+        ledgerId: null,
     }
 );
 
+const getNextPageUrl = (paginator: any) => {
+    return paginator?.links?.next ?? paginator?.next_page_url ?? null;
+};
+
+const getCurrentPage = (paginator: any) => {
+    return paginator?.meta?.current_page ?? paginator?.current_page ?? 1;
+};
+
 const messages = ref(
     props.initialMessages
         ? props.initialMessages.data.slice().reverse()
         : (props.chat.messages || []).slice()
 );
-const nextPageUrl = ref(props.initialMessages?.next_page_url || null);
+const nextPageUrl = ref(getNextPageUrl(props.initialMessages));
+const currentPageNum = ref(1);
+
+watch(
+    () => props.initialMessages,
+    (newVal) => {
+        if (newVal && getCurrentPage(newVal) === 1) {
+            messages.value = newVal.data.slice().reverse();
+            nextPageUrl.value = getNextPageUrl(newVal);
+            currentPageNum.value = 1;
+        }
+    },
+    { deep: true }
+);
+
+watch(
+    () => props.chat.messages,
+    (newVal) => {
+        if (!props.initialMessages && newVal) {
+            messages.value = newVal.slice();
+        }
+    },
+    { deep: true }
+);
 
 function loadMoreMessages() {
     if (!nextPageUrl.value) {
         return;
     }
 
-    router.get(nextPageUrl.value, {}, {
-        preserveState: true,
-        preserveScroll: true,
-        only: ['messages'],
-        onSuccess: (page) => {
-            const newMessages = page.props.messages as { data: Array<any>; next_page_url: string | null };
-            messages.value = [...newMessages.data.reverse(), ...messages.value];
-            nextPageUrl.value = newMessages.next_page_url;
-        },
-    });
+    currentPageNum.value++;
+
+    const apiRouteName = props.ledgerId ? 'dynamics.ledgers.messages' : 'dynamics.messages';
+    const apiParams = props.ledgerId ? [props.dynamicId, props.ledgerId] : [props.dynamicId];
+    const url = route(apiRouteName, [...apiParams, { page: currentPageNum.value }]);
+
+    fetch(url)
+        .then((res) => res.json())
+        .then((json) => {
+            const data = json?.data || [];
+            messages.value = [...data.slice().reverse(), ...messages.value];
+            nextPageUrl.value = getNextPageUrl(json);
+        })
+        .catch((err) => {
+            console.error('Failed to load older messages:', err);
+            currentPageNum.value--;
+        });
 }
 
 if (!echoIsConfigured()) {
@@ -217,6 +264,7 @@ function isOwnMessage(messageUserId: number | null): boolean {
 
 function submit() {
     form.post(route('chats.messages.store', props.chat.id), {
+        preserveScroll: true,
         onSuccess: () => {
             form.reset();
 

resources/js/pages/Ledgers/Show.vue

@@ -275,7 +275,7 @@ function isOwnerUser(userId: number): boolean {
                 @open-lightbox="openLightbox"
             />
 
-            <Chat :chat="dynamic.chat" :initial-messages="messages" :participants="dynamic.participants" :dynamic-id="dynamic.id" />
+            <Chat :chat="dynamic.chat" :initial-messages="messages" :participants="dynamic.participants" :dynamic-id="dynamic.id" :ledger-id="ledger.id" />
         </div>
     </div>