feat: enhance avatar handling and update TODO.md

- Added Avatar component with support for custom URLs and Gravatar integration, improving user profile visuals.
- Implemented logic to determine avatar source based on user preferences in profile actions.
- Updated ProfilePage to utilize the new Avatar component for better consistency.
- Marked the integration of Gravatar and custom avatar handling as complete in TODO.md.

src/actions/profile.ts

@@ -4,12 +4,14 @@ import { getServerSession } from 'next-auth/next'
 import { authOptions } from '@/lib/auth'
 import { usersService } from '@/services/users'
 import { revalidatePath } from 'next/cache'
+import { getGravatarUrl } from '@/lib/gravatar'
 
 export async function updateProfile(formData: {
   name?: string
   firstName?: string
   lastName?: string
   avatar?: string
+  useGravatar?: boolean
 }) {
   try {
     const session = await getServerSession(authOptions)
@@ -35,12 +37,27 @@ export async function updateProfile(formData: {
       return { success: false, error: 'L\'URL de l\'avatar ne peut pas dépasser 500 caractères' }
     }
 
+    // Déterminer l'URL de l'avatar
+    let finalAvatarUrl: string | null = null
+    
+    if (formData.useGravatar) {
+      // Utiliser Gravatar si demandé
+      finalAvatarUrl = getGravatarUrl(session.user.email || '', { size: 200 })
+    } else if (formData.avatar) {
+      // Utiliser l'URL custom si fournie
+      finalAvatarUrl = formData.avatar
+    } else {
+      // Garder l'avatar actuel ou null
+      const currentUser = await usersService.getUserById(session.user.id)
+      finalAvatarUrl = currentUser?.avatar || null
+    }
+
     // Mettre à jour l'utilisateur
     const updatedUser = await usersService.updateUser(session.user.id, {
       name: formData.name || null,
       firstName: formData.firstName || null,
       lastName: formData.lastName || null,
-      avatar: formData.avatar || null,
+      avatar: finalAvatarUrl,
     })
 
     // Revalider la page de profil
@@ -101,3 +118,47 @@ export async function getProfile() {
     return { success: false, error: 'Erreur lors de la récupération du profil' }
   }
 }
+
+export async function applyGravatar() {
+  try {
+    const session = await getServerSession(authOptions)
+    
+    if (!session?.user?.id) {
+      return { success: false, error: 'Non authentifié' }
+    }
+
+    if (!session.user?.email) {
+      return { success: false, error: 'Email requis pour Gravatar' }
+    }
+
+    // Générer l'URL Gravatar
+    const gravatarUrl = getGravatarUrl(session.user.email, { size: 200 })
+
+    // Mettre à jour l'utilisateur
+    const updatedUser = await usersService.updateUser(session.user.id, {
+      avatar: gravatarUrl,
+    })
+
+    // Revalider la page de profil
+    revalidatePath('/profile')
+
+    return {
+      success: true,
+      user: {
+        id: updatedUser.id,
+        email: updatedUser.email,
+        name: updatedUser.name,
+        firstName: updatedUser.firstName,
+        lastName: updatedUser.lastName,
+        avatar: updatedUser.avatar,
+        role: updatedUser.role,
+        createdAt: updatedUser.createdAt.toISOString(),
+        lastLoginAt: updatedUser.lastLoginAt?.toISOString() || null,
+      }
+    }
+
+  } catch (error) {
+    console.error('Gravatar update error:', error)
+    return { success: false, error: 'Erreur lors de la mise à jour Gravatar' }
+  }
+}