From c46fc2a5bda32e5f36a0617144460d3dfed53c5a Mon Sep 17 00:00:00 2001
From: MartinBraquet <martin.braquet@gmail.com>
Date: Sun, 15 Feb 2026 16:57:46 +0100
Subject: [PATCH] Prevent usernmaes ilike existing ones (case-insensitive)

---
 backend/shared/src/utils.ts              |  2 +-
 web/components/required-profile-form.tsx | 27 +++++++++------
 web/hooks/use-editable-user-info.ts      | 43 ++++++++++++------------
 3 files changed, 39 insertions(+), 33 deletions(-)

diff --git a/backend/shared/src/utils.ts b/backend/shared/src/utils.ts
index 77b40f1..a18198a 100644
--- a/backend/shared/src/utils.ts
+++ b/backend/shared/src/utils.ts
@@ -41,7 +41,7 @@ export const getUserByUsername = async (
   const res = await pg.oneOrNone(
     `select *
      from users
-     where username = $1`,
+     where username ilike $1`,
     username
   )
 
diff --git a/web/components/required-profile-form.tsx b/web/components/required-profile-form.tsx
index 4c3032e..2e107c4 100644
--- a/web/components/required-profile-form.tsx
+++ b/web/components/required-profile-form.tsx
@@ -49,7 +49,7 @@ export const RequiredProfileUserForm = (props: {
   profileCreatedAlready?: boolean
 }) => {
   const {user, onSubmit, profileCreatedAlready, setProfile, profile, isSubmitting} = props
-  const {updateUsername, updateDisplayName, userInfo, updateUserState} = useEditableUserInfo(user)
+  const {updateDisplayName, userInfo, updateUserState, updateUsername} = useEditableUserInfo(user)
 
   const [step, setStep] = useState<number>(0)
   const t = useT()
@@ -100,7 +100,7 @@ export const RequiredProfileUserForm = (props: {
           <div className="text-ink-500 mb-6 text-lg">
             {t('profile.basics.subtitle', 'Write your own bio, your own way.')}
           </div>}
-      <Col className={'gap-8 pb-[env(safe-area-inset-bottom)]'}>
+      <Col className={'gap-8 pb-[env(safe-area-inset-bottom)] w-fit'}>
         {step === 0 && <Col>
             <label className={clsx(labelClassName)}>
               {t('profile.basics.display_name', 'Display name')}
@@ -128,14 +128,13 @@ export const RequiredProfileUserForm = (props: {
               </label>
               <Row className={'items-center gap-2'}>
                   <Input
-                      disabled={loadingUsername}
+                    // disabled={loadingUsername}
                       type="text"
                       placeholder="Username"
                       value={username}
                       onChange={(e) => {
-                        updateUserState({username: e.target.value || ''})
+                        updateUserState({username: e.target.value || '', errorUsername: ''})
                       }}
-                      onBlur={updateUsername}
                   />
                 {loadingUsername && <LoadingIndicator className={'ml-2'}/>}
               </Row>
@@ -163,13 +162,19 @@ export const RequiredProfileUserForm = (props: {
         {onSubmit && (
           <Row className={'justify-end'}>
             <Button
-              disabled={!canContinue || isSubmitting}
+              disabled={!canContinue || isSubmitting || loadingUsername}
               loading={isSubmitting}
-              onClick={() => {
-                if (step === 1) {
-                  onSubmit()
-                } else {
-                  setStep(1)
+              onClick={async () => {
+                let success = true
+                if (step === 0) {
+                  success = await updateUsername()
+                }
+                if (success) {
+                  if (step === 1) {
+                    onSubmit()
+                  } else {
+                    setStep(1)
+                  }
                 }
               }}
             >
diff --git a/web/hooks/use-editable-user-info.ts b/web/hooks/use-editable-user-info.ts
index eb06016..6a8634b 100644
--- a/web/hooks/use-editable-user-info.ts
+++ b/web/hooks/use-editable-user-info.ts
@@ -1,8 +1,8 @@
-import { useState } from 'react'
-import { cleanDisplayName, cleanUsername } from 'common/util/clean-username'
-import { APIError } from 'common/api/utils'
-import { User } from 'common/user'
-import { updateUser } from 'web/lib/api'
+import {useState} from 'react'
+import {cleanDisplayName, cleanUsername} from 'common/util/clean-username'
+import {APIError} from 'common/api/utils'
+import {User} from 'common/user'
+import {updateUser} from 'web/lib/api'
 
 type UserInfoState = {
   name: string
@@ -24,19 +24,19 @@ export const useEditableUserInfo = (user: User) => {
   })
 
   const updateUserState = (newState: Partial<UserInfoState>) => {
-    setUserInfo((prevState) => ({ ...prevState, ...newState }))
+    setUserInfo((prevState) => ({...prevState, ...newState}))
   }
 
   const updateDisplayName = async () => {
     const newName = cleanDisplayName(userInfo.name)
     if (newName === user.name) return
 
-    updateUserState({ loadingName: true, errorName: '' })
-    if (!newName) return updateUserState({ name: user.name })
+    updateUserState({loadingName: true, errorName: ''})
+    if (!newName) return updateUserState({name: user.name})
 
     try {
-      await updateUser({ name: newName })
-      updateUserState({ errorName: '', name: newName })
+      await updateUser({name: newName})
+      updateUserState({errorName: '', name: newName})
     } catch (reason) {
       updateUserState({
         errorName: (reason as APIError).message,
@@ -44,33 +44,34 @@ export const useEditableUserInfo = (user: User) => {
       })
     }
 
-    updateUserState({ loadingName: false })
+    updateUserState({loadingName: false})
   }
 
   const updateUsername = async () => {
     const newUsername = cleanUsername(userInfo.username)
-    if (newUsername === user.username) return
+    // console.log({newUsername})
+    if (newUsername === user.username) return true
 
-    updateUserState({ loadingUsername: true, errorUsername: '' })
+    updateUserState({loadingUsername: true, errorUsername: ''})
 
+    let success = true
     try {
-      await updateUser({ username: newUsername })
-      updateUserState({ errorUsername: '', username: newUsername })
+      await updateUser({username: newUsername})
+      updateUserState({errorUsername: ''})
       user.username = newUsername
     } catch (reason) {
-      updateUserState({
-        errorUsername: (reason as APIError).message,
-        username: user.username,
-      })
+      updateUserState({errorUsername: (reason as APIError).message})
+      success = false
     }
 
-    updateUserState({ loadingUsername: false })
+    updateUserState({loadingUsername: false})
+    return success
   }
 
   return {
     userInfo,
     updateDisplayName,
-    updateUsername,
     updateUserState,
+    updateUsername,
   }
 }