different freebie rules

components/info.js

@@ -2,7 +2,7 @@ import { useState } from 'react'
 import { Modal } from 'react-bootstrap'
 import InfoIcon from '../svgs/information-fill.svg'
 
-export default function Info ({ children }) {
+export default function Info ({ children, iconClassName = 'fill-theme-color' }) {
   const [info, setInfo] = useState()
 
   return (
@@ -17,7 +17,7 @@ export default function Info ({ children }) {
         </Modal.Body>
       </Modal>
       <InfoIcon
-        width={18} height={18} className='fill-theme-color pointer ml-1'
+        width={18} height={18} className={`${iconClassName} pointer ml-1`}
         onClick={(e) => {
           e.preventDefault()
           setInfo(true)

components/post.js

@@ -9,6 +9,22 @@ import { LinkForm } from './link-form'
 import { PollForm } from './poll-form'
 import { BountyForm } from './bounty-form'
 import SubSelect from './sub-select-form'
+import Info from './info'
+
+function FreebieDialog () {
+  return (
+    <div className='text-center mb-4 text-muted'>
+      you have no sats, so this one is on us
+      <Info>
+        <ul className='font-weight-bold'>
+          <li>Free posts have limited visibility and are hidden on the recent tab until other stackers zap them.</li>
+          <li>Free posts will not cover posts that cost more than 1 sat.</li>
+          <li>To get fully visibile and unrestricted posts right away, fund your account with a few sats or earn some on Stacker News.</li>
+        </ul>
+      </Info>
+    </div>
+  )
+}
 
 export function PostForm ({ type, sub, children }) {
   const me = useMe()
@@ -18,9 +34,7 @@ export function PostForm ({ type, sub, children }) {
   if (!type) {
     return (
       <div className='align-items-center'>
-        {me?.freePosts && me?.sats < 1
-          ? <div className='text-center font-weight-bold mb-3 text-success'>{me.freePosts} free posts left</div>
-          : null}
+        {me?.sats < 1 && <FreebieDialog />}
         <SubSelect noForm sub={sub?.name} />
         <Link href={prefix + '/post?type=link'}>
           <Button variant='secondary'>link</Button>
@@ -29,7 +43,7 @@ export function PostForm ({ type, sub, children }) {
         <Link href={prefix + '/post?type=discussion'}>
           <Button variant='secondary'>discussion</Button>
         </Link>
-        <div className='d-flex mt-3'>
+        <div className='d-flex mt-4'>
           <AccordianItem
             headerColor='#6c757d'
             header={<div className='font-weight-bold text-muted'>more types</div>}

components/reply.js

@@ -9,6 +9,7 @@ import Link from 'next/link'
 import FeeButton from './fee-button'
 import { commentsViewedAfterComment } from '../lib/new-comments'
 import { commentSchema } from '../lib/validate'
+import Info from './info'
 
 export function ReplyOnAnotherPage ({ parentId }) {
   return (
@@ -18,6 +19,21 @@ export function ReplyOnAnotherPage ({ parentId }) {
   )
 }
 
+function FreebieDialog () {
+  return (
+    <div className='text-muted'>
+      you have no sats, so this one is on us
+      <Info>
+        <ul className='font-weight-bold'>
+          <li>Free comments have limited visibility and are listed at the bottom of the comment section until other stackers zap them.</li>
+          <li>Free comments will not cover comments that cost more than 1 sat.</li>
+          <li>To get fully visibile and unrestricted comments right away, fund your account with a few sats or earn some on Stacker News.</li>
+        </ul>
+      </Info>
+    </div>
+  )
+}
+
 export default function Reply ({ item, onSuccess, replyOpen, children, placeholder }) {
   const [reply, setReply] = useState(replyOpen)
   const me = useMe()
@@ -117,7 +133,7 @@ export default function Reply ({ item, onSuccess, replyOpen, children, placehold
             autoFocus={!replyOpen}
             required
             placeholder={placeholder}
-            hint={me?.freeComments && me?.sats < 1 ? <span className='text-success'>{me.freeComments} free comments left</span> : null}
+            hint={me?.sats < 1 && <FreebieDialog />}
             innerRef={replyInput}
           />
           {reply &&

prisma/migrations/20230620164842_freebies4ever/migration.sql

@@ -0,0 +1,59 @@
+CREATE OR REPLACE FUNCTION create_item(
+    sub TEXT, title TEXT, url TEXT, text TEXT, boost INTEGER, bounty INTEGER,
+    parent_id INTEGER, user_id INTEGER, fwd_user_id INTEGER,
+    spam_within INTERVAL)
+RETURNS "Item"
+LANGUAGE plpgsql
+AS $$
+DECLARE
+    user_msats BIGINT;
+    cost_msats BIGINT;
+    freebie BOOLEAN;
+    item "Item";
+    med_votes FLOAT;
+BEGIN
+    PERFORM ASSERT_SERIALIZED();
+
+    SELECT msats INTO user_msats FROM users WHERE id = user_id;
+
+    cost_msats := 1000 * POWER(10, item_spam(parent_id, user_id, spam_within));
+    -- it's only a freebie if it's a 1 sat cost, they have < 1 sat, boost = 0, and they have freebies left
+    freebie := (cost_msats <= 1000) AND (user_msats < 1000) AND (boost = 0);
+
+    IF NOT freebie AND cost_msats > user_msats THEN
+        RAISE EXCEPTION 'SN_INSUFFICIENT_FUNDS';
+    END IF;
+
+    -- get this user's median item score
+    SELECT COALESCE(percentile_cont(0.5) WITHIN GROUP(ORDER BY "weightedVotes" - "weightedDownVotes"), 0) INTO med_votes FROM "Item" WHERE "userId" = user_id;
+
+    -- if their median votes are positive, start at 0
+    -- if the median votes are negative, start their post with that many down votes
+    -- basically: if their median post is bad, presume this post is too
+    IF med_votes >= 0 THEN
+        med_votes := 0;
+    ELSE
+        med_votes := ABS(med_votes);
+    END IF;
+
+    INSERT INTO "Item"
+    ("subName", title, url, text, bounty, "userId", "parentId", "fwdUserId",
+        freebie, "weightedDownVotes", created_at, updated_at)
+    VALUES
+    (sub, title, url, text, bounty, user_id, parent_id, fwd_user_id,
+        freebie, med_votes, now_utc(), now_utc()) RETURNING * INTO item;
+
+    IF NOT freebie THEN
+        UPDATE users SET msats = msats - cost_msats WHERE id = user_id;
+
+        INSERT INTO "ItemAct" (msats, "itemId", "userId", act, created_at, updated_at)
+        VALUES (cost_msats, item.id, user_id, 'FEE', now_utc(), now_utc());
+    END IF;
+
+    IF boost > 0 THEN
+        PERFORM item_act(item.id, user_id, 'BOOST', boost);
+    END IF;
+
+    RETURN item;
+END;
+$$;