improvement for the backend api

app/(dashboard)/purchases/new/page.tsx

@@ -60,11 +60,11 @@ export default function CreatePurchasePage() {
     target_channel_id: "",
     external_channel_id: "",
     creative_id: "",
-    scheduled_date: "",
+    placement_date: "",
     cost: "",
     comment: "",
     post_link: "",
-    invite_link_type: "public" as "public" | "private",
+    invite_link_type: "public" as "public" | "approval",
   });
 
   useEffect(() => {
@@ -73,15 +73,24 @@ export default function CreatePurchasePage() {
 
   const loadData = async () => {
     try {
-      const [channelsRes, externalChannelsRes, creativesRes] =
-        await Promise.all([
-          channelsApi.list({ is_active: true }),
-          externalChannelsApi.list(),
+      const channelsRes = await channelsApi.list();
+      setChannels(channelsRes.target_channels.filter((c) => c.is_active));
+
+      // Загружаем внешние каналы для первого доступного target channel
+      if (channelsRes.target_channels.length > 0) {
+        const firstTargetChannel = channelsRes.target_channels[0];
+        const [externalChannelsRes, creativesRes] = await Promise.all([
+          externalChannelsApi.list(firstTargetChannel.id),
           creativesApi.list(),
         ]);
-      setChannels(channelsRes.data);
-      setExternalChannels(externalChannelsRes.data);
-      setCreatives(creativesRes.data.filter((c) => !c.is_archived));
+        setExternalChannels(externalChannelsRes.external_channels);
+        setCreatives(
+          creativesRes.creatives.filter((c) => c.status === "active")
+        );
+      } else {
+        setCreatives([]);
+        setExternalChannels([]);
+      }
     } catch (err) {
       console.error("Error loading data:", err);
     }
@@ -116,7 +125,7 @@ export default function CreatePurchasePage() {
       return;
     }
 
-    if (!formData.scheduled_date) {
+    if (!formData.placement_date) {
       setError("Укажите дату размещения");
       return;
     }
@@ -132,10 +141,10 @@ export default function CreatePurchasePage() {
         target_channel_id: formData.target_channel_id,
         external_channel_id: formData.external_channel_id,
         creative_id: formData.creative_id,
-        scheduled_date: formData.scheduled_date,
+        placement_date: formData.placement_date,
         cost: parseFloat(formData.cost),
         comment: formData.comment || undefined,
-        post_link: formData.post_link || undefined,
+        ad_post_url: formData.post_link || undefined,
         invite_link_type: formData.invite_link_type,
       });
 
@@ -247,7 +256,7 @@ export default function CreatePurchasePage() {
                       target_channel_id: "",
                       external_channel_id: "",
                       creative_id: "",
-                      scheduled_date: "",
+                      placement_date: "",
                       cost: "",
                       comment: "",
                       post_link: "",
@@ -394,15 +403,15 @@ export default function CreatePurchasePage() {
             <CardContent className="space-y-4">
               <div className="grid gap-4 md:grid-cols-2">
                 <div className="space-y-2">
-                  <Label htmlFor="scheduled_date">Дата размещения *</Label>
+                  <Label htmlFor="placement_date">Дата размещения *</Label>
                   <Input
-                    id="scheduled_date"
-                    type="date"
-                    value={formData.scheduled_date}
+                    id="placement_date"
+                    type="datetime-local"
+                    value={formData.placement_date}
                     onChange={(e) =>
                       setFormData({
                         ...formData,
-                        scheduled_date: e.target.value,
+                        placement_date: e.target.value,
                       })
                     }
                   />
@@ -443,7 +452,7 @@ export default function CreatePurchasePage() {
                 <Label>Тип пригласительной ссылки *</Label>
                 <RadioGroup
                   value={formData.invite_link_type}
-                  onValueChange={(value: "public" | "private") =>
+                  onValueChange={(value: "public" | "approval") =>
                     setFormData({ ...formData, invite_link_type: value })
                   }
                 >
@@ -454,8 +463,8 @@ export default function CreatePurchasePage() {
                     </Label>
                   </div>
                   <div className="flex items-center space-x-2">
-                    <RadioGroupItem value="private" id="private" />
-                    <Label htmlFor="private" className="font-normal">
+                    <RadioGroupItem value="approval" id="approval" />
+                    <Label htmlFor="approval" className="font-normal">
                       С одобрением (запрос на вступление через бота)
                     </Label>
                   </div>