improve bounty performance

api/resolvers/item.js

@@ -920,27 +920,6 @@ export default {
 
       return (msats && msatsToSats(msats)) || 0
     },
-    bountyPaid: async (item, args, { models }) => {
-      if (!item.bounty) {
-        return null
-      }
-
-      // if there's a child where the OP paid the amount, but it isn't the OP's own comment
-      const paid = await models.$queryRaw`
-          -- Sum up the sats and if they are greater than or equal to item.bounty than return true, else return false
-          SELECT "Item"."id"
-          FROM "ItemAct"
-          JOIN "Item" ON "ItemAct"."itemId" = "Item"."id"
-          WHERE "ItemAct"."userId" = ${item.userId}
-          AND "Item".path <@ text2ltree (${item.path})
-          AND "Item"."userId" <> ${item.userId}
-          AND act IN ('TIP', 'FEE')
-          GROUP BY "Item"."id"
-          HAVING coalesce(sum("ItemAct"."msats"), 0) >= ${item.bounty * 1000}
-      `
-
-      return paid.length > 0
-    },
     bountyPaidTo: async (item, args, { models }) => {
       if (!item.bounty) {
         return []
@@ -951,7 +930,7 @@ export default {
           FROM "ItemAct"
           JOIN "Item" ON "ItemAct"."itemId" = "Item"."id"
           WHERE "ItemAct"."userId" = ${item.userId}
-          AND "Item".path <@ text2ltree (${item.path})
+          AND "Item"."rootId" = ${item.id}
           AND "Item"."userId" <> ${item.userId}
           AND act IN ('TIP', 'FEE')
           GROUP BY "Item"."id"
@@ -990,13 +969,7 @@ export default {
       if (!item.parentId) {
         return null
       }
-      return (await models.$queryRaw(`
+      return await models.item.findUnique({ where: { id: item.rootId } })
-        ${SELECT}
-        FROM "Item"
-        WHERE id = (
-          SELECT ltree2text(subltree(path, 0, 1))::integer
-          FROM "Item"
-          WHERE id = $1)`, Number(item.id)))[0]
     },
     parent: async (item, args, { models }) => {
       if (!item.parentId) {
@@ -1160,7 +1133,8 @@ function nestComments (flat, parentId) {
 // we have to do our own query because ltree is unsupported
 export const SELECT =
   `SELECT "Item".id, "Item".created_at as "createdAt", "Item".updated_at as "updatedAt", "Item".title,
-  "Item".text, "Item".url, "Item"."bounty", "Item"."userId", "Item"."fwdUserId", "Item"."parentId", "Item"."pinId", "Item"."maxBid",
+  "Item".text, "Item".url, "Item"."bounty", "Item"."userId", "Item"."fwdUserId", "Item"."parentId",
+  "Item"."pinId", "Item"."maxBid", "Item"."rootId",
   "Item".company, "Item".location, "Item".remote, "Item"."deletedAt",
   "Item"."subName", "Item".status, "Item"."uploadId", "Item"."pollCost",
   "Item".msats, "Item".ncomments, "Item"."commentMsats", "Item"."lastCommentAt", "Item"."weightedVotes",

api/typeDefs/item.js

@@ -90,7 +90,6 @@ export default gql`
     mine: Boolean!
     boost: Int!
     bounty: Int
-    bountyPaid: Boolean
     bountyPaidTo: [Int]!
     sats: Int!
     commentSats: Int!

components/item-full.js

@@ -101,7 +101,7 @@ function TopLevelItem ({ item, noReply, ...props }) {
       {item.poll && <Poll item={item} />}
       {item.bounty &&
         <div className='font-weight-bold mt-2 mb-3'>
-          {item.bountyPaid
+          {item.bountyPaidTo?.length
             ? (
               <div className='px-3 py-1 d-inline-block bg-grey-medium rounded text-success'>
                 <Check className='fill-success' /> {item.bounty} sats paid

components/item.js

@@ -78,8 +78,8 @@ export default function Item ({ item, rank, showFwdUser, toc, children }) {
                 {item.pollCost && <span> <PollIcon className='fill-grey vertical-align-baseline' height={14} width={14} /></span>}
                 {item.bounty > 0 &&
                   <span>
-                    <ActionTooltip notForm overlayText={`${abbrNum(item.bounty)} ${item.bountyPaid ? 'sats paid' : 'sats bounty'}`}>
+                    <ActionTooltip notForm overlayText={`${abbrNum(item.bounty)} ${item.bountyPaidTo?.length ? 'sats paid' : 'sats bounty'}`}>
-                      <BountyIcon className={`${styles.bountyIcon} ${item.bountyPaid ? 'fill-success vertical-align-middle' : 'fill-grey vertical-align-middle'}`} height={16} width={16} />
+                      <BountyIcon className={`${styles.bountyIcon} ${item.bountyPaidTo?.length ? 'fill-success vertical-align-middle' : 'fill-grey vertical-align-middle'}`} height={16} width={16} />
                     </ActionTooltip>
                   </span>}
               </a>

components/pay-bounty.js

@@ -50,9 +50,6 @@ export default function PayBounty ({ children, item }) {
         cache.modify({
           id: `Item:${item.root.id}`,
           fields: {
-            bountyPaid () {
-              return true
-            },
             bountyPaidTo (existingPaidTo = []) {
               return [...existingPaidTo, Number(item.id)]
             }
@@ -84,7 +81,7 @@ export default function PayBounty ({ children, item }) {
     }
   }
 
-  if (!me || item.root.user.name !== me.name || item.mine || item.root.bountyPaid) {
+  if (item.mine || item.root.user.name !== me.name) {
     return null
   }
 

fragments/items.js

@@ -21,7 +21,7 @@ export const ITEM_FIELDS = gql`
     upvotes
     boost
     bounty
-    bountyPaid
+    bountyPaidTo
     path
     meSats
     meDontLike

prisma/migrations/20230126180748_root_id/migration.sql

@@ -0,0 +1,8 @@
+-- AlterTable
+ALTER TABLE "Item" ADD COLUMN     "rootId" INTEGER;
+
+-- CreateIndex
+CREATE INDEX "Item.rootId_index" ON "Item"("rootId");
+
+-- AddForeignKey
+ALTER TABLE "Item" ADD FOREIGN KEY ("rootId") REFERENCES "Item"("id") ON DELETE SET NULL ON UPDATE CASCADE;

prisma/migrations/20230126184544_root_id_funcs/migration.sql

@@ -0,0 +1,28 @@
+-- Store root ids of all existing items
+UPDATE "Item"
+SET "rootId" = ltree2text(subltree(path, 0, 1))::integer
+WHERE "parentId" IS NOT NULL;
+
+CREATE OR REPLACE FUNCTION update_item_path() RETURNS TRIGGER AS $$
+    DECLARE
+        npath ltree;
+        root_id INTEGER;
+    BEGIN
+        IF NEW."parentId" IS NULL THEN
+            SELECT NEW.id::text::ltree INTO npath;
+            NEW."path" = npath;
+        ELSEIF TG_OP = 'INSERT' OR OLD."parentId" IS NULL OR OLD."parentId" != NEW."parentId" THEN
+            SELECT "path" || NEW.id::text, ltree2text(subltree("path", 0, 1))::integer
+            FROM "Item"
+            WHERE id = NEW."parentId"
+            INTO npath, root_id;
+
+            IF npath IS NULL THEN
+                RAISE EXCEPTION 'Invalid parent_id %', NEW."parentId";
+            END IF;
+            NEW."path" = npath;
+            NEW."rootId" = root_id;
+        END IF;
+        RETURN NEW;
+    END;
+$$ LANGUAGE plpgsql;

prisma/schema.prisma

@@ -222,6 +222,9 @@ model Item {
   parent      Item?                 @relation("ParentChildren", fields: [parentId], references: [id])
   parentId    Int?
   children    Item[]                @relation("ParentChildren")
+  root        Item?                 @relation("RootDescendant", fields: [rootId], references: [id])
+  rootId      Int?
+  descendants Item[]                @relation("RootDescendant")
   actions     ItemAct[]
   mentions    Mention[]
   path        Unsupported("LTREE")?
@@ -280,6 +283,7 @@ model Item {
   @@index([freebie])
   @@index([createdAt])
   @@index([userId])
+  @@index([rootId])
   @@index([parentId])
   @@index([status])
   @@index([maxBid])