init commit,

99_references/supabase-examples/ai/edge-functions/supabase/functions/search/index.ts

@@ -0,0 +1,48 @@
+import "jsr:@supabase/functions-js/edge-runtime.d.ts";
+
+import { createClient } from "jsr:@supabase/supabase-js@2";
+import { Database } from "../_shared/database.types.ts";
+
+const supabase = createClient<Database>(
+  Deno.env.get("SUPABASE_URL")!,
+  Deno.env.get("SUPABASE_SERVICE_ROLE_KEY")!,
+);
+
+const model = new Supabase.ai.Session("gte-small");
+
+Deno.serve(async (req) => {
+  const { search } = await req.json();
+  if (!search) return new Response("Please provide a search param!");
+  // Generate embedding for search term.
+  const embedding = await model.run(search, {
+    mean_pool: true,
+    normalize: true,
+  });
+
+  // Query embeddings.
+  const { data: result, error } = await supabase
+    .rpc("query_embeddings", {
+      embedding: JSON.stringify(embedding),
+      match_threshold: 0.8,
+    })
+    .select("content")
+    .limit(3);
+  if (error) {
+    return Response.json(error);
+  }
+
+  return Response.json({ search, result });
+});
+
+/* To invoke locally:
+
+  1. Run `supabase start` (see: https://supabase.com/docs/reference/cli/supabase-start)
+  2. Run `supabase functions serve`
+  3. Make an HTTP request:
+
+  curl -i --location --request POST 'http://127.0.0.1:54321/functions/v1/search' \
+    --header 'Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJzdXBhYmFzZS1kZW1vIiwicm9sZSI6ImFub24iLCJleHAiOjE5ODM4MTI5OTZ9.CRXP1A7WOeoJeXxjNni43kdQwgnWNReilDMblYTn_I0' \
+    --header 'Content-Type: application/json' \
+    --data '{"search":"vehicles"}'
+
+*/