force upvote on variable tip

components/upvote.js

@@ -244,9 +244,9 @@ export default function UpVote ({ item, className }) {
                       `${styles.upvote}
                       ${className || ''}
                       ${noSelfTips ? styles.noSelfTips : ''}
-                      ${item?.meVote ? styles.voted : ''}`
+                      ${item?.meSats ? styles.voted : ''}`
                     }
-                  style={item?.meVote
+                  style={item?.meSats
                     ? {
                         fill: color,
                         filter: `drop-shadow(0 0 6px ${color}90)`

prisma/migrations/20220119221313_item_act_var_tip_bug/migration.sql

@@ -0,0 +1,45 @@
+CREATE OR REPLACE FUNCTION item_act(item_id INTEGER, user_id INTEGER, act "ItemActType", act_sats INTEGER)
+RETURNS INTEGER
+LANGUAGE plpgsql
+AS $$
+DECLARE
+    user_sats INTEGER;
+BEGIN
+    PERFORM ASSERT_SERIALIZED();
+
+    SELECT (msats / 1000) INTO user_sats FROM users WHERE id = user_id;
+    IF act_sats > user_sats THEN
+        RAISE EXCEPTION 'SN_INSUFFICIENT_FUNDS';
+    END IF;
+
+    -- deduct sats from actor
+    UPDATE users SET msats = msats - (act_sats * 1000) WHERE id = user_id;
+
+    IF act = 'BOOST' THEN
+        INSERT INTO "ItemAct" (sats, "itemId", "userId", act, created_at, updated_at)
+        VALUES (act_sats, item_id, user_id, 'BOOST', now_utc(), now_utc());
+    ELSE
+        -- add sats to actee
+        UPDATE users SET msats = msats + (act_sats * 1000) WHERE id = (SELECT "userId" FROM "Item" WHERE id = item_id);
+
+        -- if they have already voted, this is a tip
+        IF EXISTS (SELECT 1 FROM "ItemAct" WHERE "itemId" = item_id AND "userId" = user_id AND "ItemAct".act = 'VOTE') THEN
+            INSERT INTO "ItemAct" (sats, "itemId", "userId", act, created_at, updated_at)
+            VALUES (act_sats, item_id, user_id, 'TIP', now_utc(), now_utc());
+        ELSE
+            -- else this is a vote with a possible extra tip
+            INSERT INTO "ItemAct" (sats, "itemId", "userId", act, created_at, updated_at)
+                VALUES (1, item_id, user_id, 'VOTE', now_utc(), now_utc());
+            act_sats := act_sats - 1;
+
+            -- if we have sats left after vote, leave them as a tip
+            IF act_sats > 0 THEN
+                INSERT INTO "ItemAct" (sats, "itemId", "userId", act, created_at, updated_at)
+                    VALUES (act_sats, item_id, user_id, 'TIP', now_utc(), now_utc());
+            END IF;
+        END IF;
+    END IF;
+
+    RETURN act_sats;
+END;
+$$;