feat: ditch triplit, move to postgresql + drizzle orm

server/api/topic/[topicId]/chat/cancel/[generationId].post.ts

@@ -0,0 +1,75 @@
+import { generations } from '~~/drizzle/schema';
+import { db } from '~~/server/lib/db';
+import { cancelPendingGeneration } from '~~/server/utils/generations';
+
+export default defineEventHandler(async (event) => {
+    await protectRoute(event);
+
+    const { generationId } = event.context.params!;
+    const topicId = getRouterParam(event, 'topicId')!;
+
+    const topic = await db.query.topics.findFirst({
+        where: {
+            id: topicId,
+            userId: event.context.user!.id as string,
+        },
+        with: {
+            messages: true,
+        },
+    });
+
+    if (!topic) throw createError({ statusCode: 404, message: 'Topic not found' });
+
+    const success = cancelPendingGeneration(generationId!);
+
+    const generation = await db.query.generations.findFirst({
+        where: {
+            id: generationId,
+        },
+    });
+
+    if (!generation) {
+        throw createError({
+            statusCode: 404,
+            message: 'Generation not found',
+        });
+    }
+
+    if (generation.status === 'completed') {
+        throw createError({
+            statusCode: 400,
+            message: 'Generation already completed',
+        });
+    }
+
+    const message = await db.query.messages.findFirst({
+        where: {
+            generationId: generation.id,
+        },
+    });
+
+    if (!message) {
+        throw createError({
+            statusCode: 404,
+            message: 'Message not found',
+        });
+    }
+
+    await db.update(generations).set({ status: 'cancelled' });
+    await topicEvents.emit(topicId, {
+        type: 'generation-complete',
+        payload: {
+            messageId: message.id,
+            generationId,
+        }
+    })
+
+    if (!success) {
+        throw createError({
+            statusCode: 400,
+            message: 'Generation not found or already completed',
+        });
+    }
+
+    return 'ok';
+});