wip(backend): Account retrieval and doubles

sites/backend/scripts/find-duplicate-usernames.mjs

@@ -0,0 +1,51 @@
+import path from 'path'
+import fs from 'fs'
+import chalk from 'chalk'
+
+/*
+ * Note: This is not intended to work for you
+ *
+ * This script imports a raw database dump of the current (v2)
+ * FreeSewing backend and checks for duplicate usernames now that
+ * we treat them as case-insensitive.
+ *
+ * This is not the kind of thing you should try to run yourself
+ * because for one thing you do not have a raw database dump
+ */
+
+// Dumped data folder
+const dir = '/home/joost/'
+let i = 0
+
+// Load filtered data for migration
+const file = 'freesewing-filtered.json'
+const data = JSON.parse(fs.readFileSync(path.resolve(dir, file), { encoding: 'utf-8' }))
+console.log()
+console.log('Checking:')
+console.log('  🧑 ', Object.keys(data.users).length, 'users')
+console.log()
+data.lusernames = {}
+await checkUsers(data.users)
+console.log()
+
+async function checkUsers(users) {
+  const total = Object.keys(users).length
+  let i = 0
+  for (const user of Object.values(users)) {
+    i++
+    await checkUser(user)
+  }
+}
+
+async function checkUser(user) {
+  const lusername = user.username.toLowerCase()
+  if (typeof data.lusernames[lusername] === 'undefined') {
+    data.lusernames[lusername] = user
+  } else {
+    i++
+    const first = data.lusernames[lusername]
+    console.log(chalk.yellow(`${i}: ${lusername}`))
+    console.log(`  - First by: ${chalk.green(first.handle)} / ${chalk.green(first.email)}`)
+    console.log(`  - Later by: ${chalk.cyan(user.handle)} / ${chalk.cyan(user.email)}`)
+  }
+}