allow territory founders to disable freebies

api/typeDefs/sub.js

@@ -9,8 +9,9 @@ export default gql`
 
   extend type Mutation {
     upsertSub(name: String!, desc: String, baseCost: Int!,
-      postTypes: [String!]!, billingType: String!, billingAutoRenew: Boolean!,
-       hash: String, hmac: String): Sub
+      postTypes: [String!]!, allowFreebies: Boolean!,
+      billingType: String!, billingAutoRenew: Boolean!,
+      hash: String, hmac: String): Sub
     paySub(name: String!, hash: String, hmac: String): Sub
   }
 
@@ -22,6 +23,7 @@ export default gql`
     desc: String
     updatedAt: Date!
     postTypes: [String!]!
+    allowFreebies: Boolean!
     billingCost: Int!
     billingType: String!
     billingAutoRenew: Boolean!

components/fee-button.js

@@ -14,7 +14,7 @@ import { SubmitButton } from './form'
 
 const FeeButtonContext = createContext()
 
-export function postCommentBaseLineItems ({ baseCost = 1, comment = false, me }) {
+export function postCommentBaseLineItems ({ baseCost = 1, comment = false, allowFreebies = true, me }) {
   // XXX this doesn't match the logic on the server but it has the same
   // result on fees ... will need to change the server logic to match
   const anonCharge = me
@@ -30,14 +30,14 @@ export function postCommentBaseLineItems ({ baseCost = 1, comment = false, me })
     baseCost: {
       term: baseCost,
       label: `${comment ? 'comment' : 'post'} cost`,
-      modifier: (cost) => cost + baseCost
+      modifier: (cost) => cost + baseCost,
+      allowFreebies
     },
     ...anonCharge
   }
 }
 
-export function postCommentUseRemoteLineItems ({ parentId, me } = {}) {
-  if (!me) return () => {}
+export function postCommentUseRemoteLineItems ({ parentId } = {}) {
   const query = parentId
     ? gql`{ itemRepetition(parentId: "${parentId}") }`
     : gql`{ itemRepetition }`
@@ -114,18 +114,19 @@ function FreebieDialog () {
 export default function FeeButton ({ ChildButton = SubmitButton, variant, text, disabled }) {
   const me = useMe()
   const { lines, total, disabled: ctxDisabled } = useFeeButton()
-  // freebies: there's only a base cost, it's less than 10, and we have less than 10 sats
-  const free = total === lines.baseCost?.modifier(0) && me?.privates?.sats < total
+  // freebies: there's only a base cost and we don't have enough sats
+  const free = total === lines.baseCost?.modifier(0) && lines.baseCost?.allowFreebies && me?.privates?.sats < total
   const feeText = free
     ? 'free'
     : total > 1
       ? numWithUnits(total, { abbreviate: false, format: true })
       : undefined
+  disabled ||= ctxDisabled
 
   return (
     <div className={styles.feeButton}>
       <ActionTooltip overlayText={feeText}>
-        <ChildButton variant={variant} disabled={disabled || ctxDisabled}>{text}{feeText && <small> {feeText}</small>}</ChildButton>
+        <ChildButton variant={variant} disabled={disabled} nonDisabledText={feeText}>{text}</ChildButton>
       </ActionTooltip>
       {!me && <AnonInfo />}
       {(free && <Info><FreebieDialog /></Info>) ||

components/form.js

@@ -31,15 +31,17 @@ import { useFeeButton } from './fee-button'
 import Thumb from '../svgs/thumb-up-fill.svg'
 
 export function SubmitButton ({
-  children, variant, value, onClick, disabled, ...props
+  children, variant, value, onClick, disabled, nonDisabledText, ...props
 }) {
   const formik = useFormikContext()
 
+  disabled ||= formik.isSubmitting
+
   return (
     <Button
       variant={variant || 'main'}
       type='submit'
-      disabled={disabled || formik.isSubmitting}
+      disabled={disabled}
       onClick={value
         ? e => {
           formik.setFieldValue('submit', value)
@@ -48,7 +50,7 @@ export function SubmitButton ({
         : onClick}
       {...props}
     >
-      {children}
+      {children}{!disabled && nonDisabledText && <small> {nonDisabledText}</small>}
     </Button>
   )
 }

components/post.js

@@ -138,7 +138,7 @@ export function PostForm ({ type, sub, children }) {
 
   return (
     <FeeButtonProvider
-      baseLineItems={sub ? postCommentBaseLineItems({ baseCost: sub.baseCost, me: !!me }) : undefined}
+      baseLineItems={sub ? postCommentBaseLineItems({ baseCost: sub.baseCost, allowFreebies: sub.allowFreebies, me: !!me }) : undefined}
       useRemoteLineItems={postCommentUseRemoteLineItems({ me: !!me })}
     >
       <FormType sub={sub}>{children}</FormType>

components/territory-form.js

@@ -15,10 +15,10 @@ export default function TerritoryForm ({ sub }) {
   const [upsertSub] = useMutation(
     gql`
       mutation upsertSub($name: String!, $desc: String, $baseCost: Int!,
-        $postTypes: [String!]!, $billingType: String!, $billingAutoRenew: Boolean!,
-        $hash: String, $hmac: String) {
+        $postTypes: [String!]!, $allowFreebies: Boolean!, $billingType: String!,
+        $billingAutoRenew: Boolean!, $hash: String, $hmac: String) {
           upsertSub(name: $name, desc: $desc, baseCost: $baseCost,
-            postTypes: $postTypes, billingType: $billingType,
+            postTypes: $postTypes, allowFreebies: $allowFreebies, billingType: $billingType,
             billingAutoRenew: $billingAutoRenew, hash: $hash, hmac: $hmac) {
           name
         }
@@ -61,6 +61,7 @@ export default function TerritoryForm ({ sub }) {
           desc: sub?.desc || '',
           baseCost: sub?.baseCost || 10,
           postTypes: sub?.postTypes || POST_TYPES,
+          allowFreebies: typeof sub?.allowFreebies === 'undefined' ? true : sub?.allowFreebies,
           billingType: sub?.billingType || 'MONTHLY',
           billingAutoRenew: sub?.billingAutoRenew || false
         }}
@@ -98,9 +99,15 @@ export default function TerritoryForm ({ sub }) {
           label='post cost'
           name='baseCost'
           type='number'
+          groupClassName='mb-2'
           required
           append={<InputGroup.Text className='text-monospace'>sats</InputGroup.Text>}
         />
+        <Checkbox
+          label='allow free posts'
+          name='allowFreebies'
+          groupClassName='ms-1'
+        />
         <CheckboxGroup label='post types' name='postTypes'>
           <Row>
             <Col xs={4} sm='auto'>

fragments/subs.js

@@ -6,6 +6,7 @@ export const SUB_FIELDS = gql`
   fragment SubFields on Sub {
     name
     postTypes
+    allowFreebies
     rankingType
     billingType
     billingCost

prisma/migrations/20231210180256_allow_freebies/migration.sql

@@ -0,0 +1,129 @@
+-- AlterTable
+ALTER TABLE "Sub" ADD COLUMN "allowFreebies" BOOLEAN NOT NULL DEFAULT true;
+
+-- make freebies optional
+CREATE OR REPLACE FUNCTION create_item(
+    jitem JSONB, forward JSONB, poll_options JSONB, spam_within INTERVAL, upload_ids INTEGER[])
+RETURNS "Item"
+LANGUAGE plpgsql
+AS $$
+DECLARE
+    user_msats BIGINT;
+    cost_msats BIGINT := 1000;
+    base_cost_msats BIGINT := 1000;
+    freebie BOOLEAN;
+    allow_freebies BOOLEAN := true;
+    item "Item";
+    med_votes FLOAT;
+    select_clause TEXT;
+BEGIN
+    PERFORM ASSERT_SERIALIZED();
+
+    -- access fields with appropriate types
+    item := jsonb_populate_record(NULL::"Item", jitem);
+
+    SELECT msats INTO user_msats FROM users WHERE id = item."userId";
+
+    -- if this is a post, get the base cost of the sub
+    IF item."parentId" IS NULL AND item."subName" IS NOT NULL THEN
+        SELECT "baseCost" * 1000, "baseCost" * 1000, "allowFreebies"
+        INTO base_cost_msats, cost_msats, allow_freebies
+        FROM "Sub"
+        WHERE name = item."subName";
+    END IF;
+
+    IF item."maxBid" IS NULL THEN
+        -- spam multiplier
+        cost_msats := cost_msats * POWER(10, item_spam(item."parentId", item."userId", spam_within));
+    END IF;
+
+    -- add image fees
+    IF upload_ids IS NOT NULL THEN
+        cost_msats := cost_msats + (SELECT "nUnpaid" * "imageFeeMsats" FROM image_fees_info(item."userId", upload_ids));
+        UPDATE "Upload" SET paid = 't' WHERE id = ANY(upload_ids);
+    END IF;
+
+    -- it's only a freebie if it's no greater than the base cost, they have less than the cost, and boost = 0
+    freebie := allow_freebies AND (cost_msats <= base_cost_msats) AND (user_msats < cost_msats) AND (item.boost IS NULL OR item.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" = item."userId";
+
+    -- 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
+    -- addendum: if they're an anon poster, always start at 0
+    IF med_votes >= 0 OR item."userId" = 27 THEN
+        med_votes := 0;
+    ELSE
+        med_votes := ABS(med_votes);
+    END IF;
+
+    -- there's no great way to set default column values when using json_populate_record
+    -- so we need to only select fields with non-null values that way when func input
+    -- does not include a value, the default value is used instead of null
+    SELECT string_agg(quote_ident(key), ',') INTO select_clause
+    FROM jsonb_object_keys(jsonb_strip_nulls(jitem)) k(key);
+    -- insert the item
+    EXECUTE format($fmt$
+        INSERT INTO "Item" (%s, "weightedDownVotes", freebie)
+        SELECT %1$s, %L, %L
+        FROM jsonb_populate_record(NULL::"Item", %L) RETURNING *
+    $fmt$, select_clause, med_votes, freebie, jitem) INTO item;
+
+    INSERT INTO "ItemForward" ("itemId", "userId", "pct")
+        SELECT item.id, "userId", "pct" FROM jsonb_populate_recordset(NULL::"ItemForward", forward);
+
+    -- Automatically subscribe to one's own posts
+    INSERT INTO "ThreadSubscription" ("itemId", "userId")
+    VALUES (item.id, item."userId");
+
+    -- Automatically subscribe forward recipients to the new post
+    INSERT INTO "ThreadSubscription" ("itemId", "userId")
+        SELECT item.id, "userId" FROM jsonb_populate_recordset(NULL::"ItemForward", forward);
+
+    INSERT INTO "PollOption" ("itemId", "option")
+        SELECT item.id, "option" FROM jsonb_array_elements_text(poll_options) o("option");
+
+    IF NOT freebie THEN
+        UPDATE users SET msats = msats - cost_msats WHERE id = item."userId";
+
+        INSERT INTO "ItemAct" (msats, "itemId", "userId", act)
+        VALUES (cost_msats, item.id, item."userId", 'FEE');
+    END IF;
+
+    -- if this item has boost
+    IF item.boost > 0 THEN
+        PERFORM item_act(item.id, item."userId", 'BOOST', item.boost);
+    END IF;
+
+    -- if this is a job
+    IF item."maxBid" IS NOT NULL THEN
+        PERFORM run_auction(item.id);
+    END IF;
+
+    -- if this is a bio
+    IF item.bio THEN
+        UPDATE users SET "bioId" = item.id WHERE id = item."userId";
+    END IF;
+
+    -- record attachments
+    IF upload_ids IS NOT NULL THEN
+        INSERT INTO "ItemUpload" ("itemId", "uploadId")
+            SELECT item.id, * FROM UNNEST(upload_ids);
+    END IF;
+
+    -- schedule imgproxy job
+    INSERT INTO pgboss.job (name, data, retrylimit, retrybackoff, startafter)
+    VALUES ('imgproxy', jsonb_build_object('id', item.id), 21, true, now() + interval '5 seconds');
+
+    RETURN item;
+END;
+$$;

prisma/schema.prisma

@@ -405,6 +405,7 @@ model Sub {
 
   postTypes        PostType[]
   rankingType      RankingType
+  allowFreebies    Boolean     @default(true)
   baseCost         Int         @default(1)
   rewardsPct       Int         @default(50)
   desc             String?