feat: allow filtering with null (no) rating

lib/search.ts

@@ -1,6 +1,6 @@
 import { BadRequestError } from "@lib/errors.ts";
 import { resources } from "@lib/resources.ts";
-import { ResourceStatus, SearchResult } from "@lib/types.ts";
+import { SearchResult } from "@lib/types.ts";
 import { getTypeSenseClient } from "@lib/typesense.ts";
 import { extractHashTags } from "@lib/string.ts";
 
@@ -10,7 +10,7 @@ type SearchParams = {
   q: string;
   type?: ResourceType;
   tags?: string[];
-  status?: ResourceStatus;
+  rating?: string;
   author?: string;
   query_by?: string;
 };
@@ -18,7 +18,7 @@ type SearchParams = {
 export function parseResourceUrl(_url: string): SearchParams | undefined {
   try {
     const url = new URL(_url);
-    let query = url.searchParams.get("q");
+    let query = url.searchParams.get("q") || "*";
     if (!query) {
       return undefined;
     }
@@ -34,7 +34,7 @@ export function parseResourceUrl(_url: string): SearchParams | undefined {
       q: query,
       type: url.searchParams.get("type") as ResourceType || undefined,
       tags: hashTags,
-      status: url.searchParams.get("status") as ResourceStatus || undefined,
+      rating: url.searchParams.get("rating") || undefined,
       query_by: url.searchParams.get("query_by") || undefined,
     };
   } catch (_err) {
@@ -43,7 +43,7 @@ export function parseResourceUrl(_url: string): SearchParams | undefined {
 }
 
 export async function searchResource(
-  { q, query_by = "name,description,author,tags", tags = [], type, status }:
+  { q, query_by = "name,description,author,tags", tags = [], type, rating }:
     SearchParams,
 ): Promise<SearchResult> {
   const typesenseClient = await getTypeSenseClient();
@@ -57,10 +57,6 @@ export async function searchResource(
     filter_by.push(`type:=${type}`);
   }
 
-  if (status) {
-    filter_by.push(`status:=${status}`);
-  }
-
   if (tags?.length) {
     filter_by.push(`tags:[${tags.map((t) => `\`${t}\``).join(",")}]`);
     for (const tag of tags) {
@@ -71,6 +67,14 @@ export async function searchResource(
     }
   }
 
+  if (typeof rating !== "undefined") {
+    if (rating === "null") {
+      filter_by.push(`rating: null`);
+    } else {
+      filter_by.push(`rating: ${rating}`);
+    }
+  }
+
   return await typesenseClient.collections("resources")
     .documents().search({
       q,