feat: refactor user profile handling and integrate ApProfileField structure

crates/adapters/postgres/src/users.rs

@@ -4,7 +4,7 @@ use sqlx::PgPool;
 
 use domain::{
     errors::DomainError,
-    models::{User, UserRole},
+    models::{ProfileField, User, UserRole},
     ports::UserRepository,
     value_objects::{Email, PasswordHash, UserId, Username},
 };
@@ -42,6 +42,7 @@ impl PostgresUserRepository {
         avatar_path: Option<String>,
         banner_path: Option<String>,
         also_known_as: Option<String>,
+        profile_fields: Vec<ProfileField>,
     ) -> Result<User, DomainError> {
         let id = uuid::Uuid::parse_str(&id_str)
             .map_err(|e| DomainError::InfrastructureError(e.to_string()))?;
@@ -61,6 +62,7 @@ impl PostgresUserRepository {
             avatar_path,
             banner_path,
             also_known_as,
+            profile_fields,
         ))
     }
 }
@@ -99,6 +101,7 @@ impl UserRepository for PostgresUserRepository {
                 r.avatar_path,
                 r.banner_path,
                 r.also_known_as,
+                vec![],
             )
         })
         .transpose()
@@ -136,6 +139,7 @@ impl UserRepository for PostgresUserRepository {
                 r.avatar_path,
                 r.banner_path,
                 r.also_known_as,
+                vec![],
             )
         })
         .transpose()
@@ -200,20 +204,33 @@ impl UserRepository for PostgresUserRepository {
         .fetch_optional(&self.pool)
         .await
         .map_err(Self::map_err)?;
-        row.map(|r| {
-            Self::row_to_user(
-                r.id,
-                r.email,
-                r.username,
-                r.password_hash,
-                Self::parse_role(&r.role),
-                r.bio,
-                r.avatar_path,
-                r.banner_path,
-                r.also_known_as,
-            )
-        })
-        .transpose()
+
+        let Some(r) = row else { return Ok(None) };
+
+        #[derive(sqlx::FromRow)]
+        struct FieldRow { name: String, value: String }
+        let field_rows = sqlx::query_as::<_, FieldRow>(
+            "SELECT name, value FROM user_profile_fields WHERE user_id = $1 ORDER BY position ASC",
+        )
+        .bind(&id_str)
+        .fetch_all(&self.pool)
+        .await
+        .map_err(|e| DomainError::InfrastructureError(e.to_string()))?;
+
+        let profile_fields = field_rows.into_iter().map(|f| ProfileField { name: f.name, value: f.value }).collect();
+
+        Self::row_to_user(
+            r.id,
+            r.email,
+            r.username,
+            r.password_hash,
+            Self::parse_role(&r.role),
+            r.bio,
+            r.avatar_path,
+            r.banner_path,
+            r.also_known_as,
+            profile_fields,
+        ).map(Some)
     }
 
     async fn update_profile(