♻️ Keep guest ids in separate column

apps/web/src/app/[locale]/(admin)/polls/user-polls.tsx

@@ -182,7 +182,11 @@ function PollsListView({
     status: PollStatus;
     title: string;
     createdAt: Date;
-    userId: string;
+    user: {
+      id: string;
+      name: string;
+    } | null;
+    guestId?: string | null;
     participants: {
       id: string;
       name: string;

apps/web/src/auth/merge-user.ts

@@ -6,33 +6,36 @@ export const mergeGuestsIntoUser = async (
 ) => {
   await prisma.poll.updateMany({
     where: {
-      userId: {
+      guestId: {
         in: guestIds,
       },
     },
     data: {
+      guestId: null,
       userId: userId,
     },
   });
 
   await prisma.participant.updateMany({
     where: {
-      userId: {
+      guestId: {
         in: guestIds,
       },
     },
     data: {
+      guestId: null,
       userId: userId,
     },
   });
 
   await prisma.comment.updateMany({
     where: {
-      userId: {
+      guestId: {
         in: guestIds,
       },
     },
     data: {
+      guestId: null,
       userId: userId,
     },
   });

apps/web/src/components/discussion/discussion.tsx

@@ -34,7 +34,6 @@ import { OptimizedAvatarImage } from "@/components/optimized-avatar-image";
 import { Participant, ParticipantName } from "@/components/participant";
 import { useParticipants } from "@/components/participants-provider";
 import { Trans } from "@/components/trans";
-import { usePermissions } from "@/contexts/permissions";
 import { usePoll } from "@/contexts/poll";
 import { useRole } from "@/contexts/role";
 import { trpc } from "@/trpc/client";
@@ -73,7 +72,6 @@ function NewCommentForm({
 
   const posthog = usePostHog();
 
-
   const session = useUser();
 
   const { register, reset, control, handleSubmit, formState } =
@@ -162,9 +160,7 @@ function DiscussionInner() {
 
   const pollId = poll.id;
 
-  const { data: comments } = trpc.polls.comments.list.useQuery(
-    { pollId },
-  );
+  const { data: comments } = trpc.polls.comments.list.useQuery({ pollId });
   const posthog = usePostHog();
 
   const queryClient = trpc.useUtils();
@@ -187,7 +183,6 @@ function DiscussionInner() {
 
   const [isWriting, setIsWriting] = React.useState(false);
   const role = useRole();
-  const { isUser } = usePermissions();
 
   if (!comments) {
     return null;
@@ -205,8 +200,7 @@ function DiscussionInner() {
         <CardContent className="border-b">
           <div className="space-y-4">
             {comments.map((comment) => {
-              const canDelete =
-                role === "admin" || (comment.userId && isUser(comment.userId));
+              const canDelete = role === "admin" || session.ownsObject(comment);
 
               return (
                 <div className="" key={comment.id}>

apps/web/src/components/poll/desktop-poll.tsx

@@ -308,6 +308,7 @@ const DesktopPoll: React.FunctionComponent = () => {
                                   id: participant.id,
                                   name: participant.name,
                                   userId: participant.userId ?? undefined,
+                                  guestId: participant.guestId ?? undefined,
                                   email: participant.email ?? undefined,
                                   votes: participant.votes,
                                 }}

apps/web/src/components/poll/desktop-poll/participant-row.tsx

@@ -23,6 +23,7 @@ export interface ParticipantRowProps {
     id: string;
     name: string;
     userId?: string;
+    guestId?: string;
     email?: string;
     votes: Vote[];
   };
@@ -105,10 +106,10 @@ const ParticipantRow: React.FunctionComponent<ParticipantRowProps> = ({
   className,
   onChangeEditMode,
 }) => {
-  const { user, ownsObject } = useUser();
+  const { ownsObject } = useUser();
   const { getVote, optionIds } = usePoll();
 
-  const isYou = user && ownsObject(participant) ? true : false;
+  const isYou = ownsObject(participant) ? true : false;
 
   const { canEditParticipant } = usePermissions();
   const canEdit = canEditParticipant(participant.id);

apps/web/src/components/user-provider.tsx

@@ -9,6 +9,7 @@ import { useSubscription } from "@/contexts/plan";
 import { PreferencesProvider } from "@/contexts/preferences";
 import { useTranslation } from "@/i18n/client";
 import { trpc } from "@/trpc/client";
+import { isOwner } from "@/utils/permissions";
 
 import { useRequiredContext } from "./use-required-context";
 
@@ -28,7 +29,10 @@ type UserData = {
 export const UserContext = React.createContext<{
   user: UserData;
   refresh: (data?: Record<string, unknown>) => Promise<Session | null>;
-  ownsObject: (obj: { userId?: string | null }) => boolean;
+  ownsObject: (obj: {
+    userId?: string | null;
+    guestId?: string | null;
+  }) => boolean;
 } | null>(null);
 
 export const useUser = () => {
@@ -101,8 +105,8 @@ export const UserProvider = (props: { children?: React.ReactNode }) => {
           locale: user.locale ?? i18n.language,
         },
         refresh: session.update,
-        ownsObject: ({ userId }) => {
-          return userId ? [user.id].includes(userId) : false;
+        ownsObject: (resource) => {
+          return isOwner(resource, { id: user.id, isGuest });
         },
       }}
     >

apps/web/src/contexts/permissions.tsx

@@ -26,7 +26,7 @@ export const PermissionProvider = ({
 export const usePermissions = () => {
   const poll = usePoll();
   const context = React.useContext(PermissionsContext);
-  const { user } = useUser();
+  const { user, ownsObject } = useUser();
   const role = useRole();
   const { participants } = useParticipants();
   const isClosed = poll.closed === true || poll.event !== null;
@@ -45,10 +45,15 @@ export const usePermissions = () => {
         (participant) => participant.id === participantId,
       );
 
+      if (!participant) {
+        return false;
+      }
+
       if (
-        participant &&
-        (participant.userId === user.id ||
-          (context.userId && participant.userId === context.userId))
+        ownsObject(participant) ||
+        (context.userId &&
+          (participant.userId === context.userId ||
+            participant.guestId === context.userId))
       ) {
         return true;
       }

apps/web/src/trpc/routers/polls.ts

@@ -73,7 +73,9 @@ export const polls = router({
       const { cursor, limit, status } = input;
       const polls = await prisma.poll.findMany({
         where: {
-          userId: ctx.user.id,
+          ...(ctx.user.isGuest
+            ? { guestId: ctx.user.id }
+            : { userId: ctx.user.id }),
           deletedAt: null,
           status: status === "all" ? undefined : status,
         },
@@ -94,7 +96,13 @@ export const polls = router({
           timeZone: true,
           createdAt: true,
           status: true,
-          userId: true,
+          guestId: true,
+          user: {
+            select: {
+              id: true,
+              name: true,
+            },
+          },
           participants: {
             where: {
               deletedAt: null,
@@ -164,7 +172,9 @@ export const polls = router({
           description: input.description,
           adminUrlId: adminToken,
           participantUrlId,
-          userId: ctx.user.id,
+          ...(ctx.user.isGuest
+            ? { guestId: ctx.user.id }
+            : { userId: ctx.user.id }),
           watchers: !ctx.user.isGuest
             ? {
                 create: {

apps/web/src/trpc/routers/polls/comments.ts

@@ -41,7 +41,9 @@ export const comments = router({
           content,
           pollId,
           authorName,
-          userId: ctx.user.id,
+          ...(ctx.user.isGuest
+            ? { guestId: ctx.user.id }
+            : { userId: ctx.user.id }),
         },
         select: {
           id: true,

apps/web/src/trpc/routers/polls/participants.ts

@@ -95,7 +95,7 @@ export const participants = router({
             pollId: pollId,
             name: name,
             email,
-            userId: user.id,
+            ...(user.isGuest ? { guestId: user.id } : { userId: user.id }),
             locale: user.locale ?? undefined,
           },
           include: {

apps/web/src/utils/permissions.ts

@@ -0,0 +1,10 @@
+export function isOwner(
+  resource: { userId?: string | null; guestId?: string | null },
+  user: { id: string; isGuest: boolean },
+) {
+  if (user.isGuest) {
+    return resource.guestId === user.id;
+  }
+
+  return resource.userId === user.id;
+}

packages/database/prisma/migrations/20241224103150_guest_id_column/migration.sql

@@ -0,0 +1,57 @@
+-- AlterTable
+ALTER TABLE "comments" ADD COLUMN     "guest_id" TEXT;
+
+-- AlterTable
+ALTER TABLE "participants" ADD COLUMN     "guest_id" TEXT;
+
+-- AlterTable
+ALTER TABLE "polls" ADD COLUMN     "guest_id" TEXT,
+ALTER COLUMN "user_id" DROP NOT NULL;
+
+-- CreateIndex
+CREATE INDEX "comments_guest_id_idx" ON "comments" USING HASH ("guest_id");
+
+-- CreateIndex
+CREATE INDEX "participants_guest_id_idx" ON "participants" USING HASH ("guest_id");
+
+-- CreateIndex
+CREATE INDEX "polls_guest_id_idx" ON "polls" USING HASH ("guest_id");
+
+-- Migrate polls
+UPDATE "polls" p
+SET 
+    "guest_id" = CASE 
+        WHEN NOT EXISTS (SELECT 1 FROM "users" u WHERE u.id = p.user_id) THEN p.user_id 
+        ELSE NULL 
+    END,
+    "user_id" = CASE 
+        WHEN NOT EXISTS (SELECT 1 FROM "users" u WHERE u.id = p.user_id) THEN NULL 
+        ELSE p.user_id 
+    END
+WHERE p.user_id IS NOT NULL;
+
+-- Migrate participants
+UPDATE "participants" p
+SET 
+    "guest_id" = CASE 
+        WHEN NOT EXISTS (SELECT 1 FROM "users" u WHERE u.id = p.user_id) THEN p.user_id 
+        ELSE NULL 
+    END,
+    "user_id" = CASE 
+        WHEN NOT EXISTS (SELECT 1 FROM "users" u WHERE u.id = p.user_id) THEN NULL 
+        ELSE p.user_id 
+    END
+WHERE p.user_id IS NOT NULL;
+
+-- Migrate comments
+UPDATE "comments" c
+SET 
+    "guest_id" = CASE 
+        WHEN NOT EXISTS (SELECT 1 FROM "users" u WHERE u.id = c.user_id) THEN c.user_id 
+        ELSE NULL 
+    END,
+    "user_id" = CASE 
+        WHEN NOT EXISTS (SELECT 1 FROM "users" u WHERE u.id = c.user_id) THEN NULL 
+        ELSE c.user_id 
+    END
+WHERE c.user_id IS NOT NULL;

packages/database/prisma/schema.prisma

@@ -124,7 +124,8 @@ model Poll {
   title                   String
   description             String?
   location                String?
-  userId                  String        @map("user_id")
+  userId                  String?       @map("user_id")
+  guestId                 String?       @map("guest_id")
   timeZone                String?       @map("time_zone")
   closed                  Boolean       @default(false) // @deprecated
   status                  PollStatus    @default(live)
@@ -147,6 +148,7 @@ model Poll {
   comments                Comment[]
 
   @@index([userId], type: Hash)
+  @@index([guestId], type: Hash)
   @@map("polls")
 }
 
@@ -184,6 +186,7 @@ model Participant {
   name      String
   email     String?
   userId    String?   @map("user_id")
+  guestId   String?   @map("guest_id")
   poll      Poll      @relation(fields: [pollId], references: [id])
   pollId    String    @map("poll_id")
   votes     Vote[]
@@ -194,6 +197,7 @@ model Participant {
   deletedAt DateTime? @map("deleted_at")
 
   @@index([pollId], type: Hash)
+  @@index([guestId], type: Hash)
   @@map("participants")
 }
 
@@ -241,10 +245,12 @@ model Comment {
   authorName String    @map("author_name")
   user       User?     @relation(fields: [userId], references: [id])
   userId     String?   @map("user_id")
+  guestId    String?   @map("guest_id")
   createdAt  DateTime  @default(now()) @map("created_at")
   updatedAt  DateTime? @updatedAt @map("updated_at")
 
   @@index([userId], type: Hash)
+  @@index([guestId], type: Hash)
   @@index([pollId], type: Hash)
   @@map("comments")
 }