From 91d90bd2b632b2457f8c2f2897b564c9072d9e40 Mon Sep 17 00:00:00 2001
From: Deep Koluguri <deepkoluguri@gmail.com>
Date: Sun, 5 Apr 2026 16:01:36 -0400
Subject: [PATCH] fixed

---
 backend/scripts/migrate-pg-to-sqlite.js | 115 ++++++++++++++++++++++++
 1 file changed, 115 insertions(+)

diff --git a/backend/scripts/migrate-pg-to-sqlite.js b/backend/scripts/migrate-pg-to-sqlite.js
index ff029f3..b41ae3d 100644
--- a/backend/scripts/migrate-pg-to-sqlite.js
+++ b/backend/scripts/migrate-pg-to-sqlite.js
@@ -157,6 +157,103 @@ async function recreateGroupMembersTable(sqlite) {
   );
 }
 
+/** Sorted column-set keys for each non-PK unique index (matches `PRAGMA index_list` / `index_info`). */
+async function sqliteUniqueIndexColKeys(sqlite, tableName) {
+  if (!/^[a-z_]+$/.test(tableName)) {
+    throw new Error(`sqliteUniqueIndexColKeys: invalid table name "${tableName}"`);
+  }
+  const list = await sqlite.query(`PRAGMA index_list('${tableName}')`, { type: QueryTypes.SELECT });
+  const keys = [];
+  for (const row of list) {
+    const unique = row.unique === 1 || row.unique === true;
+    if (!unique) continue;
+    const info = await sqlite.query(`PRAGMA index_info('${String(row.name).replace(/'/g, "''")}')`, {
+      type: QueryTypes.SELECT,
+    });
+    const cols = info
+      .slice()
+      .sort((a, b) => (a.seqno ?? 0) - (b.seqno ?? 0))
+      .map((i) => i.name)
+      .filter(Boolean);
+    if (row.origin === 'pk') continue;
+    if (cols.length === 1 && cols[0] === 'id') continue;
+    keys.push(colSetKey(cols));
+  }
+  return keys;
+}
+
+async function monthlyDrawsSqliteNeedsRepair(sqlite) {
+  const keys = await sqliteUniqueIndexColKeys(sqlite, 'monthly_draws');
+  const hasComposite = keys.includes('group_id,month,year');
+  const badSingleton = keys.some((k) => k === 'year' || k === 'month' || k === 'group_id');
+  return !hasComposite || badSingleton;
+}
+
+/** Must match `src/models/MonthlyDraw.js` + Sequelize SQLite DDL (table is empty). */
+async function recreateMonthlyDrawsTable(sqlite) {
+  await sqlite.query('DROP TABLE IF EXISTS `monthly_draws`');
+  await sqlite.query(`
+    CREATE TABLE \`monthly_draws\` (
+      \`id\` UUID PRIMARY KEY,
+      \`group_id\` UUID NOT NULL REFERENCES \`chit_groups\` (\`id\`) ON DELETE CASCADE ON UPDATE CASCADE,
+      \`month\` INTEGER NOT NULL,
+      \`year\` INTEGER NOT NULL,
+      \`draw_date\` DATETIME NOT NULL,
+      \`eligible_members\` JSON NOT NULL DEFAULT '[]',
+      \`winner_id\` UUID REFERENCES \`users\` (\`id\`) ON DELETE SET NULL ON UPDATE CASCADE,
+      \`prize_amount\` DECIMAL(15,2),
+      \`server_seed\` VARCHAR(255) NOT NULL,
+      \`server_seed_hash\` VARCHAR(255) NOT NULL,
+      \`client_seed\` VARCHAR(255) NOT NULL,
+      \`nonce\` BIGINT NOT NULL,
+      \`result_hash\` VARCHAR(255) NOT NULL,
+      \`status\` TEXT DEFAULT 'pending',
+      \`notes\` TEXT,
+      \`created_at\` DATETIME NOT NULL,
+      \`updated_at\` DATETIME NOT NULL
+    )
+  `);
+  await sqlite.query(
+    'CREATE UNIQUE INDEX `monthly_draws_group_id_month_year` ON `monthly_draws` (`group_id`, `month`, `year`)'
+  );
+}
+
+async function paymentsSqliteNeedsRepair(sqlite) {
+  const keys = await sqliteUniqueIndexColKeys(sqlite, 'payments');
+  const hasComposite = keys.includes('group_id,month,year,user_id');
+  const badSingleton = keys.some((k) => ['year', 'month', 'group_id', 'user_id'].includes(k));
+  return !hasComposite || badSingleton;
+}
+
+/** Must match `src/models/Payment.js` + Sequelize SQLite DDL (table is empty). */
+async function recreatePaymentsTable(sqlite) {
+  await sqlite.query('DROP TABLE IF EXISTS `payments`');
+  await sqlite.query(`
+    CREATE TABLE \`payments\` (
+      \`id\` UUID PRIMARY KEY,
+      \`group_id\` UUID NOT NULL REFERENCES \`chit_groups\` (\`id\`) ON DELETE CASCADE ON UPDATE CASCADE,
+      \`user_id\` UUID NOT NULL REFERENCES \`users\` (\`id\`) ON DELETE CASCADE ON UPDATE CASCADE,
+      \`month\` INTEGER NOT NULL,
+      \`year\` INTEGER NOT NULL,
+      \`amount\` DECIMAL(15,2) NOT NULL,
+      \`payment_method\` TEXT DEFAULT 'upi',
+      \`transaction_id\` VARCHAR(255),
+      \`source\` TEXT NOT NULL DEFAULT 'manual_manager_entry',
+      \`entered_by\` UUID REFERENCES \`users\` (\`id\`) ON DELETE SET NULL ON UPDATE CASCADE,
+      \`idempotency_key\` VARCHAR(128),
+      \`status\` TEXT DEFAULT 'pending',
+      \`paid_at\` DATETIME,
+      \`notes\` TEXT,
+      \`created_at\` DATETIME NOT NULL,
+      \`updated_at\` DATETIME NOT NULL
+    )
+  `);
+  await sqlite.query(
+    'CREATE UNIQUE INDEX `payments_group_id_user_id_month_year` ON `payments` (`group_id`, `user_id`, `month`, `year`)'
+  );
+  await sqlite.query('CREATE UNIQUE INDEX `payments_idempotency_key` ON `payments` (`idempotency_key`)');
+}
+
 async function fetchPostgresTable(pg, table) {
   try {
     return await pg.query(`SELECT * FROM "${table}"`, { type: QueryTypes.SELECT });
@@ -253,6 +350,24 @@ async function main() {
     console.log('   Done.\n');
   }
 
+  if (await monthlyDrawsSqliteNeedsRepair(sqlite)) {
+    console.log(
+      '🔧 Fixing `monthly_draws` SQLite schema (wrong UNIQUE on `year` / missing composite on group+month+year).\n' +
+        '   Recreating empty table to match current Sequelize model…\n'
+    );
+    await recreateMonthlyDrawsTable(sqlite);
+    console.log('   Done.\n');
+  }
+
+  if (await paymentsSqliteNeedsRepair(sqlite)) {
+    console.log(
+      '🔧 Fixing `payments` SQLite schema (legacy UNIQUE columns vs composite + idempotency_key).\n' +
+        '   Recreating empty table to match current Sequelize model…\n'
+    );
+    await recreatePaymentsTable(sqlite);
+    console.log('   Done.\n');
+  }
+
   console.log('📥 Copying from PostgreSQL → SQLite…\n');
   for (const table of TABLES_ORDER) {
     const rows = await fetchPostgresTable(pg, table);