From 8c94bcac526367d52b8b634b77f9f61dd6da295d Mon Sep 17 00:00:00 2001
From: Tiago Ribeiro <tiago.ribeiro@ecrop.dev>
Date: Sat, 7 Sep 2024 13:02:47 +0100
Subject: [PATCH] Corrected a problem with too many participants

---
 src/utils/users.be.ts | 27 +++++++++++++++++++++------
 1 file changed, 21 insertions(+), 6 deletions(-)

diff --git a/src/utils/users.be.ts b/src/utils/users.be.ts
index 97b17bef..ee28955f 100644
--- a/src/utils/users.be.ts
+++ b/src/utils/users.be.ts
@@ -57,7 +57,7 @@ export async function getSpecificUsers(ids: string[]) {
 export async function getLinkedUsers(userID?: string, userType?: Type, type?: Type, firstID?: string, lastID?: string, size?: number) {
 	const q = [
 		...(!!type ? [where("type", "==", type)] : []),
-		orderBy(documentId()),
+		orderBy("registrationDate"),
 		...(!!firstID && !lastID ? [endBefore(firstID)] : []),
 		...(!!lastID && !firstID ? [startAfter(lastID)] : []),
 		...(!!size ? [limit(size)] : []),
@@ -87,19 +87,34 @@ export async function getLinkedUsers(userID?: string, userType?: Type, type?: Ty
 	]);
 
 	//  ⨯ [FirebaseError: Invalid Query. A non-empty array is required for 'in' filters.] {
-	if(participants.length === 0) return {users: [], total: 0};
+	if (participants.length === 0) return {users: [], total: 0};
 
-	const snapshot = await getDocs(query(collection(db, "users"), ...[where(documentId(), "in", participants), ...q]));
+	if (participants.length < 30) {
+		const snapshot = await getDocs(query(collection(db, "users"), ...[where(documentId(), "in", participants), ...q]));
+		const users = snapshot.docs.map((doc) => ({
+			id: doc.id,
+			...doc.data(),
+		})) as User[];
+
+		const total = await getCountFromServer(query(collection(db, "users"), ...[where(documentId(), "in", participants), ...totalQ]));
+
+		return {
+			users,
+			total: total.data().count,
+		};
+	}
+
+	const snapshot = await getDocs(query(collection(db, "users"), ...q));
 	const users = snapshot.docs.map((doc) => ({
 		id: doc.id,
 		...doc.data(),
 	})) as User[];
 
-	const total = await getCountFromServer(query(collection(db, "users"), ...[where(documentId(), "in", participants), ...totalQ]));
+	const participantUsers = users.filter((x) => participants.includes(x.id));
 
 	return {
-		users,
-		total: total.data().count,
+		users: participantUsers,
+		total: participantUsers.length,
 	};
 }