init

src/core/mod.rs

@@ -100,7 +100,9 @@ impl App {
             let mut interval = tokio::time::interval(Duration::from_secs(3600));
             loop {
                 interval.tick().await;
-                if let Err(error) = crate::routes::attachment::handlers::cleanup_expired(&cleanup_state).await {
+                if let Err(error) =
+                    crate::routes::attachment::handlers::cleanup_expired(&cleanup_state).await
+                {
                     tracing::warn!(%error, "Attachment cleanup failed");
                 }
             }

src/domain/dto/message.rs

@@ -1,5 +1,5 @@
-use crate::domain::dto::reaction::ReactionGroupResponse;
 use crate::domain::dto::attachment::AttachmentResponse;
+use crate::domain::dto::reaction::ReactionGroupResponse;
 use chrono::{DateTime, Utc};
 use serde::{Deserialize, Serialize};
 use utoipa::ToSchema;

src/repositories/message.rs

@@ -1,6 +1,6 @@
 use super::types::MessageFilter;
-use crate::models::message;
 use crate::models::attachment;
+use crate::models::message;
 use crate::repositories::{AnyResult, RepositoryContext};
 use sea_orm::{ActiveModelTrait, ColumnTrait, EntityTrait, QueryFilter, QueryOrder, QuerySelect};
 use std::collections::HashMap;
@@ -46,7 +46,10 @@ impl MessageRepository {
         let mut grouped = HashMap::new();
         for item in items {
             if let Some(message_id) = item.message_id {
-                grouped.entry(message_id).or_insert_with(Vec::new).push(item);
+                grouped
+                    .entry(message_id)
+                    .or_insert_with(Vec::new)
+                    .push(item);
             }
         }
         Ok(grouped)

src/routes/attachment/handlers.rs

@@ -23,8 +23,12 @@ pub async fn cleanup_expired(state: &AppState) -> Result<(), HTTPError> {
         .all(&state.db)
         .await?;
     for item in pending {
-        let _ = tokio::fs::remove_file(PathBuf::from(&state.config.media.root).join(&item.file_path)).await;
+        let _ =
-        attachment::Entity::delete_by_id(item.id).exec(&state.db).await?;
+            tokio::fs::remove_file(PathBuf::from(&state.config.media.root).join(&item.file_path))
+                .await;
+        attachment::Entity::delete_by_id(item.id)
+            .exec(&state.db)
+            .await?;
     }
     media::cleanup_temporary_files(
         PathBuf::from(&state.config.media.root).as_path(),
@@ -58,13 +62,22 @@ pub async fn create(
     {
         let name = field.name().unwrap_or_default().to_string();
         if name == "channel_id" {
-            let value = field.text().await.map_err(|error| HTTPError::BadRequest(error.to_string()))?;
+            let value = field
+                .text()
+                .await
+                .map_err(|error| HTTPError::BadRequest(error.to_string()))?;
             channel_id = Some(value.parse::<Uuid>().map_err(HTTPError::UuidError)?);
         } else if name == "files" || name == "file" {
-            let channel = channel_id.ok_or_else(|| HTTPError::BadRequest("channel_id must precede files".into()))?;
+            let channel = channel_id
+                .ok_or_else(|| HTTPError::BadRequest("channel_id must precede files".into()))?;
             let filename = field.file_name().unwrap_or("unnamed").to_string();
-            let mime_type = field.content_type().unwrap_or("application/octet-stream").to_string();
+            let mime_type = field
-            if !can_access(&state, channel, user.id).await? { return Err(HTTPError::Forbidden); }
+                .content_type()
+                .unwrap_or("application/octet-stream")
+                .to_string();
+            if !can_access(&state, channel, user.id).await? {
+                return Err(HTTPError::Forbidden);
+            }
             let id = Uuid::new_v4();
             let mut output = PendingMediaFile::begin(
                 PathBuf::from(&state.config.media.root).as_path(),
@@ -75,35 +88,84 @@ pub async fn create(
             .await
             .map_err(|error| HTTPError::InternalServerError(error.to_string()))?;
             let mut size = 0_i64;
-            while let Some(chunk) = field.chunk().await.map_err(|error| HTTPError::BadRequest(error.to_string()))? {
+            while let Some(chunk) = field
+                .chunk()
+                .await
+                .map_err(|error| HTTPError::BadRequest(error.to_string()))?
+            {
                 size += chunk.len() as i64;
-                output.write(&chunk).await.map_err(|error| HTTPError::InternalServerError(error.to_string()))?;
+                output
+                    .write(&chunk)
+                    .await
+                    .map_err(|error| HTTPError::InternalServerError(error.to_string()))?;
             }
-            let file_path = output.finish().await.map_err(|error| HTTPError::InternalServerError(error.to_string()))?;
+            let file_path = output
+                .finish()
+                .await
+                .map_err(|error| HTTPError::InternalServerError(error.to_string()))?;
             let model = attachment::ActiveModel {
-                id: Set(id), message_id: Set(None), channel_id: Set(channel), user_id: Set(user.id),
+                id: Set(id),
-                filename: Set(filename), file_size: Set(size), mime_type: Set(mime_type), file_path: Set(file_path.clone()), created_at: Set(Utc::now()),
+                message_id: Set(None),
+                channel_id: Set(channel),
+                user_id: Set(user.id),
+                filename: Set(filename),
+                file_size: Set(size),
+                mime_type: Set(mime_type),
+                file_path: Set(file_path.clone()),
+                created_at: Set(Utc::now()),
             };
             match model.insert(&state.db).await {
                 Ok(item) => created.push(item),
-                Err(error) => { let _ = tokio::fs::remove_file(PathBuf::from(&state.config.media.root).join(file_path)).await; return Err(HTTPError::Database(error)); }
+                Err(error) => {
+                    let _ = tokio::fs::remove_file(
+                        PathBuf::from(&state.config.media.root).join(file_path),
+                    )
+                    .await;
+                    return Err(HTTPError::Database(error));
+                }
             }
         }
     }
-    let channel_id = channel_id.ok_or_else(|| HTTPError::BadRequest("channel_id is required".into()))?;
+    let channel_id =
-    if !can_access(&state, channel_id, user.id).await? { return Err(HTTPError::Forbidden); }
+        channel_id.ok_or_else(|| HTTPError::BadRequest("channel_id is required".into()))?;
-    if created.is_empty() { return Err(HTTPError::BadRequest("at least one file is required".into())); }
+    if !can_access(&state, channel_id, user.id).await? {
-    Ok((StatusCode::CREATED, axum::Json(AttachmentUploadResponse { attachments: created.into_iter().map(mapper::to_response).collect() })))
+        return Err(HTTPError::Forbidden);
+    }
+    if created.is_empty() {
+        return Err(HTTPError::BadRequest(
+            "at least one file is required".into(),
+        ));
+    }
+    Ok((
+        StatusCode::CREATED,
+        axum::Json(AttachmentUploadResponse {
+            attachments: created.into_iter().map(mapper::to_response).collect(),
+        }),
+    ))
 }
 
-pub async fn file(State(state): State<AppState>, Path(id): Path<Uuid>) -> Result<Response, HTTPError> {
+pub async fn file(
-    let item = attachment::Entity::find_by_id(id).one(&state.db).await?.ok_or(HTTPError::NotFound)?;
+    State(state): State<AppState>,
-    let bytes = tokio::fs::read(PathBuf::from(&state.config.media.root).join(&item.file_path)).await.map_err(|_| HTTPError::NotFound)?;
+    Path(id): Path<Uuid>,
+) -> Result<Response, HTTPError> {
+    let item = attachment::Entity::find_by_id(id)
+        .one(&state.db)
+        .await?
+        .ok_or(HTTPError::NotFound)?;
+    let bytes = tokio::fs::read(PathBuf::from(&state.config.media.root).join(&item.file_path))
+        .await
+        .map_err(|_| HTTPError::NotFound)?;
     let mut response = Response::new(Body::from(bytes));
-    if let Ok(value) = item.mime_type.parse() { response.headers_mut().insert(header::CONTENT_TYPE, value); }
+    if let Ok(value) = item.mime_type.parse() {
+        response.headers_mut().insert(header::CONTENT_TYPE, value);
+    }
     if !item.mime_type.starts_with("image/") {
         let safe_name = item.filename.replace(['\"', '\r', '\n'], "_");
-        if let Ok(value) = format!("attachment; filename=\"{safe_name}\"").parse() { response.headers_mut().insert(header::CONTENT_DISPOSITION, value); }
+        if let Ok(value) = format!("attachment; filename=\"{safe_name}\"").parse() {
+            response
+                .headers_mut()
+                .insert(header::CONTENT_DISPOSITION, value);
+        }
     }
     Ok(response)
 }

src/routes/attachment/routes.rs

@@ -1,6 +1,10 @@
-use axum::{Router, routing::{get, post}, extract::DefaultBodyLimit};
-use crate::core::state::AppState;
 use super::handlers;
+use crate::core::state::AppState;
+use axum::{
+    Router,
+    extract::DefaultBodyLimit,
+    routing::{get, post},
+};
 
 pub fn secure_router() -> Router<AppState> {
     Router::new()

src/routes/channel/handlers.rs

@@ -13,14 +13,30 @@ use axum::{
     extract::{Path, Query, State},
     http::StatusCode,
 };
-use uuid::Uuid;
 use sea_orm::{ColumnTrait, EntityTrait, QueryFilter};
+use uuid::Uuid;
 
-async fn require_channel_member(state: &AppState, channel_id: Uuid, user_id: Uuid) -> Result<(), HTTPError> {
+async fn require_channel_member(
-    let channel = state.repositories.channel.get_by_id(channel_id).await?.ok_or(HTTPError::NotFound)?;
+    state: &AppState,
+    channel_id: Uuid,
+    user_id: Uuid,
+) -> Result<(), HTTPError> {
+    let channel = state
+        .repositories
+        .channel
+        .get_by_id(channel_id)
+        .await?
+        .ok_or(HTTPError::NotFound)?;
     if channel.channel_type == channel::ChannelType::DM
-        && channel_user::Entity::find().filter(channel_user::Column::ChannelId.eq(channel_id)).filter(channel_user::Column::UserId.eq(user_id)).one(&state.db).await?.is_none()
+        && channel_user::Entity::find()
-    { return Err(HTTPError::Forbidden); }
+            .filter(channel_user::Column::ChannelId.eq(channel_id))
+            .filter(channel_user::Column::UserId.eq(user_id))
+            .one(&state.db)
+            .await?
+            .is_none()
+    {
+        return Err(HTTPError::Forbidden);
+    }
     Ok(())
 }
 

src/routes/conversation/handlers.rs

@@ -6,70 +6,178 @@ use crate::domain::dto::conversation::{
 use crate::http::context::CurrentUser;
 use crate::http::error::HTTPError;
 use crate::models::{channel, channel_user, message, user};
-use axum::{Json, extract::{Path, State}};
+use axum::{
+    Json,
+    extract::{Path, State},
+};
 use chrono::Utc;
-use sea_orm::{ActiveModelTrait, ColumnTrait, EntityTrait, QueryFilter, QueryOrder, Set, TransactionTrait};
+use sea_orm::{
+    ActiveModelTrait, ColumnTrait, EntityTrait, QueryFilter, QueryOrder, Set, TransactionTrait,
+};
 use std::collections::HashSet;
 use uuid::Uuid;
 
 async fn member_ids(state: &AppState, channel_id: Uuid) -> Result<Vec<Uuid>, HTTPError> {
     Ok(channel_user::Entity::find()
         .filter(channel_user::Column::ChannelId.eq(channel_id))
-        .all(&state.db).await?.into_iter().map(|m| m.user_id).collect())
+        .all(&state.db)
+        .await?
+        .into_iter()
+        .map(|m| m.user_id)
+        .collect())
 }
 
-async fn response(state: &AppState, current_user_id: Uuid, channel: channel::Model) -> Result<ConversationResponse, HTTPError> {
+async fn response(
+    state: &AppState,
+    current_user_id: Uuid,
+    channel: channel::Model,
+) -> Result<ConversationResponse, HTTPError> {
     let ids = member_ids(state, channel.id).await?;
-    let users = user::Entity::find().filter(user::Column::Id.is_in(ids.clone())).all(&state.db).await?;
+    let users = user::Entity::find()
-    let mut participants: Vec<_> = users.into_iter().map(|u| ConversationParticipantResponse { id: u.id, username: u.username }).collect();
+        .filter(user::Column::Id.is_in(ids.clone()))
+        .all(&state.db)
+        .await?;
+    let mut participants: Vec<_> = users
+        .into_iter()
+        .map(|u| ConversationParticipantResponse {
+            id: u.id,
+            username: u.username,
+        })
+        .collect();
     participants.sort_by(|a, b| a.username.to_lowercase().cmp(&b.username.to_lowercase()));
-    let title = participants.iter().filter(|p| p.id != current_user_id).map(|p| p.username.clone()).collect::<Vec<_>>().join(", ");
+    let title = participants
-    let last_message = message::Entity::find().filter(message::Column::ChannelId.eq(channel.id)).order_by_desc(message::Column::Id).one(&state.db).await?.map(|m| m.content);
+        .iter()
-    let unread_count = state.repositories.read_state.unread_counts(&[channel.id], current_user_id).await?.get(&channel.id).copied().unwrap_or(0);
+        .filter(|p| p.id != current_user_id)
-    Ok(ConversationResponse { id: channel.id, title: if title.is_empty() { "Discussion".into() } else { title }, participants, last_message, unread_count, created_at: channel.created_at, updated_at: channel.updated_at })
+        .map(|p| p.username.clone())
+        .collect::<Vec<_>>()
+        .join(", ");
+    let last_message = message::Entity::find()
+        .filter(message::Column::ChannelId.eq(channel.id))
+        .order_by_desc(message::Column::Id)
+        .one(&state.db)
+        .await?
+        .map(|m| m.content);
+    let unread_count = state
+        .repositories
+        .read_state
+        .unread_counts(&[channel.id], current_user_id)
+        .await?
+        .get(&channel.id)
+        .copied()
+        .unwrap_or(0);
+    Ok(ConversationResponse {
+        id: channel.id,
+        title: if title.is_empty() {
+            "Discussion".into()
+        } else {
+            title
+        },
+        participants,
+        last_message,
+        unread_count,
+        created_at: channel.created_at,
+        updated_at: channel.updated_at,
+    })
 }
 
 async fn create_channel(state: &AppState, ids: &[Uuid]) -> Result<channel::Model, HTTPError> {
     let txn = state.db.begin().await?;
-    let channel = channel::ActiveModel { server_id: Set(None), category_id: Set(None), channel_type: Set(channel::ChannelType::DM), name: Set(None), ..Default::default() }.insert(&txn).await?;
+    let channel = channel::ActiveModel {
+        server_id: Set(None),
+        category_id: Set(None),
+        channel_type: Set(channel::ChannelType::DM),
+        name: Set(None),
+        ..Default::default()
+    }
+    .insert(&txn)
+    .await?;
     for user_id in ids {
-        channel_user::ActiveModel { channel_id: Set(channel.id), user_id: Set(*user_id), role: Set("member".into()), joined_at: Set(Utc::now()), ..Default::default() }.insert(&txn).await?;
+        channel_user::ActiveModel {
+            channel_id: Set(channel.id),
+            user_id: Set(*user_id),
+            role: Set("member".into()),
+            joined_at: Set(Utc::now()),
+            ..Default::default()
+        }
+        .insert(&txn)
+        .await?;
     }
     txn.commit().await?;
-    state.services.realtime_registry.set_channel_users(channel.id, ids.iter().copied());
+    state
+        .services
+        .realtime_registry
+        .set_channel_users(channel.id, ids.iter().copied());
     state.event_bus.emit("channel_created", channel.clone());
     Ok(channel)
 }
 
 async fn validate_ids(state: &AppState, ids: &[Uuid]) -> Result<(), HTTPError> {
-    if ids.is_empty() { return Err(HTTPError::BadRequest("At least one participant is required".into())); }
+    if ids.is_empty() {
-    let found = user::Entity::find().filter(user::Column::Id.is_in(ids.to_vec())).all(&state.db).await?;
+        return Err(HTTPError::BadRequest(
-    if found.len() != ids.iter().collect::<HashSet<_>>().len() { return Err(HTTPError::BadRequest("Unknown participant".into())); }
+            "At least one participant is required".into(),
+        ));
+    }
+    let found = user::Entity::find()
+        .filter(user::Column::Id.is_in(ids.to_vec()))
+        .all(&state.db)
+        .await?;
+    if found.len() != ids.iter().collect::<HashSet<_>>().len() {
+        return Err(HTTPError::BadRequest("Unknown participant".into()));
+    }
     Ok(())
 }
 
 #[utoipa::path(get, path = "/conversations", responses((status = 200, body = [ConversationResponse])), tag = "Conversations", security(("bearerAuth" = [])))]
-pub async fn list(user: CurrentUser, State(state): State<AppState>) -> Result<Json<Vec<ConversationResponse>>, HTTPError> {
+pub async fn list(
-    let memberships = channel_user::Entity::find().filter(channel_user::Column::UserId.eq(user.id)).all(&state.db).await?;
+    user: CurrentUser,
+    State(state): State<AppState>,
+) -> Result<Json<Vec<ConversationResponse>>, HTTPError> {
+    let memberships = channel_user::Entity::find()
+        .filter(channel_user::Column::UserId.eq(user.id))
+        .all(&state.db)
+        .await?;
     let ids: Vec<_> = memberships.into_iter().map(|m| m.channel_id).collect();
-    if ids.is_empty() { return Ok(Json(Vec::new())); }
+    if ids.is_empty() {
-    let channels = channel::Entity::find().filter(channel::Column::Id.is_in(ids)).filter(channel::Column::ChannelType.eq(channel::ChannelType::DM)).order_by_desc(channel::Column::UpdatedAt).all(&state.db).await?;
+        return Ok(Json(Vec::new()));
+    }
+    let channels = channel::Entity::find()
+        .filter(channel::Column::Id.is_in(ids))
+        .filter(channel::Column::ChannelType.eq(channel::ChannelType::DM))
+        .order_by_desc(channel::Column::UpdatedAt)
+        .all(&state.db)
+        .await?;
     let mut result = Vec::with_capacity(channels.len());
-    for channel in channels { result.push(response(&state, user.id, channel).await?); }
+    for channel in channels {
+        result.push(response(&state, user.id, channel).await?);
+    }
     Ok(Json(result))
 }
 
 #[utoipa::path(post, path = "/conversations", request_body = CreateConversationRequest, responses((status = 200, body = ConversationResponse)), tag = "Conversations", security(("bearerAuth" = [])))]
-pub async fn create(user: CurrentUser, State(state): State<AppState>, Json(payload): Json<CreateConversationRequest>) -> Result<Json<ConversationResponse>, HTTPError> {
+pub async fn create(
+    user: CurrentUser,
+    State(state): State<AppState>,
+    Json(payload): Json<CreateConversationRequest>,
+) -> Result<Json<ConversationResponse>, HTTPError> {
     let mut ids = payload.user_ids;
     ids.push(user.id);
-    ids.sort_unstable(); ids.dedup();
+    ids.sort_unstable();
+    ids.dedup();
     validate_ids(&state, &ids).await?;
-    let channels = channel_user::Entity::find().filter(channel_user::Column::UserId.eq(user.id)).all(&state.db).await?;
+    let channels = channel_user::Entity::find()
+        .filter(channel_user::Column::UserId.eq(user.id))
+        .all(&state.db)
+        .await?;
     for membership in channels {
-        if let Some(channel) = channel::Entity::find_by_id(membership.channel_id).filter(channel::Column::ChannelType.eq(channel::ChannelType::DM)).one(&state.db).await? {
+        if let Some(channel) = channel::Entity::find_by_id(membership.channel_id)
+            .filter(channel::Column::ChannelType.eq(channel::ChannelType::DM))
+            .one(&state.db)
+            .await?
+        {
             let existing: HashSet<_> = member_ids(&state, channel.id).await?.into_iter().collect();
-            if existing == ids.iter().copied().collect() { return Ok(Json(response(&state, user.id, channel).await?)); }
+            if existing == ids.iter().copied().collect() {
+                return Ok(Json(response(&state, user.id, channel).await?));
+            }
         }
     }
     let channel = create_channel(&state, &ids).await?;
@@ -77,12 +185,25 @@ pub async fn create(user: CurrentUser, State(state): State<AppState>, Json(paylo
 }
 
 #[utoipa::path(post, path = "/conversations/{id}/fork", request_body = ForkConversationRequest, params(("id" = Uuid, Path)), responses((status = 200, body = ConversationResponse)), tag = "Conversations", security(("bearerAuth" = [])))]
-pub async fn fork(user: CurrentUser, State(state): State<AppState>, Path(id): Path<Uuid>, Json(payload): Json<ForkConversationRequest>) -> Result<Json<ConversationResponse>, HTTPError> {
+pub async fn fork(
-    let source = channel::Entity::find_by_id(id).one(&state.db).await?.ok_or(HTTPError::NotFound)?;
+    user: CurrentUser,
-    if source.channel_type != channel::ChannelType::DM || !member_ids(&state, id).await?.contains(&user.id) { return Err(HTTPError::Forbidden); }
+    State(state): State<AppState>,
+    Path(id): Path<Uuid>,
+    Json(payload): Json<ForkConversationRequest>,
+) -> Result<Json<ConversationResponse>, HTTPError> {
+    let source = channel::Entity::find_by_id(id)
+        .one(&state.db)
+        .await?
+        .ok_or(HTTPError::NotFound)?;
+    if source.channel_type != channel::ChannelType::DM
+        || !member_ids(&state, id).await?.contains(&user.id)
+    {
+        return Err(HTTPError::Forbidden);
+    }
     let mut ids = member_ids(&state, id).await?;
     ids.extend(payload.user_ids);
-    ids.sort_unstable(); ids.dedup();
+    ids.sort_unstable();
+    ids.dedup();
     validate_ids(&state, &ids).await?;
     let channel = create_channel(&state, &ids).await?;
     Ok(Json(response(&state, user.id, channel).await?))

src/routes/conversation/routes.rs

@@ -1,6 +1,9 @@
 use super::handlers;
 use crate::core::state::AppState;
-use axum::{routing::{get, post}, Router};
+use axum::{
+    Router,
+    routing::{get, post},
+};
 
 pub fn router() -> Router<AppState> {
     Router::new()

src/routes/gateway/routes.rs

@@ -1,7 +1,7 @@
 use super::handlers;
 use crate::core::AppState;
-use axum::Router;
 use axum::routing::get;
+use axum::Router;
 
 pub fn router() -> Router<AppState> {
     Router::new().route("/gateway", get(handlers::ws_handler))

src/routes/message/handlers.rs

@@ -13,11 +13,18 @@ use axum::{
     extract::{Path, Query, State},
     http::StatusCode,
 };
-use uuid::Uuid;
 use sea_orm::{ColumnTrait, EntityTrait, QueryFilter};
+use uuid::Uuid;
 
-pub(crate) async fn can_access(state: &AppState, channel_id: Uuid, user_id: Uuid) -> Result<bool, HTTPError> {
+pub(crate) async fn can_access(
-    let Some(channel) = channel::Entity::find_by_id(channel_id).one(&state.db).await? else {
+    state: &AppState,
+    channel_id: Uuid,
+    user_id: Uuid,
+) -> Result<bool, HTTPError> {
+    let Some(channel) = channel::Entity::find_by_id(channel_id)
+        .one(&state.db)
+        .await?
+    else {
         return Ok(false);
     };
     if channel.channel_type != channel::ChannelType::DM {
@@ -26,7 +33,9 @@ pub(crate) async fn can_access(state: &AppState, channel_id: Uuid, user_id: Uuid
     Ok(channel_user::Entity::find()
         .filter(channel_user::Column::ChannelId.eq(channel_id))
         .filter(channel_user::Column::UserId.eq(user_id))
-        .one(&state.db).await?.is_some())
+        .one(&state.db)
+        .await?
+        .is_some())
 }
 
 /// Liste une fenêtre paginée de messages
@@ -67,7 +76,11 @@ pub async fn get_all(
         .message_reaction
         .grouped_for_messages(&message_ids)
         .await?;
-    let mut attachments = state.repositories.message.attachments_for_messages(&message_ids).await?;
+    let mut attachments = state
+        .repositories
+        .message
+        .attachments_for_messages(&message_ids)
+        .await?;
     let oldest_id = page.messages.first().map(|message| message.id);
     let newest_id = page.messages.last().map(|message| message.id);
 
@@ -124,11 +137,20 @@ pub async fn get_by_id(
         .await?
         .remove(&id)
         .unwrap_or_default();
-    let attachments = state.repositories.message.attachments_for_messages(&[id]).await?.remove(&id).unwrap_or_default();
+    let attachments = state
+        .repositories
+        .message
+        .attachments_for_messages(&[id])
+        .await?
+        .remove(&id)
+        .unwrap_or_default();
 
-    Ok(Json(
+    Ok(Json(mapper::message_model_to_message_response_with_data(
-        mapper::message_model_to_message_response_with_data(message, None, reactions, attachments),
+        message,
-    ))
+        None,
+        reactions,
+        attachments,
+    )))
 }
 
 /// Crée un nouveau message
@@ -163,7 +185,9 @@ pub async fn create(
     }
 
     if payload.content.trim().is_empty() && payload.file_ids.is_empty() {
-        return Err(HTTPError::BadRequest("content or at least one file is required".into()));
+        return Err(HTTPError::BadRequest(
+            "content or at least one file is required".into(),
+        ));
     }
 
     // Optionnel: vérifier reply_to_id
@@ -181,10 +205,22 @@ pub async fn create(
     let message = state
         .services
         .message
-        .create_message_with_attachments(payload.channel_id, user.id, payload.content, payload.file_ids, payload.reply_to_id)
+        .create_message_with_attachments(
+            payload.channel_id,
+            user.id,
+            payload.content,
+            payload.file_ids,
+            payload.reply_to_id,
+        )
         .await
         .map_err(|error| HTTPError::BadRequest(error.to_string()))?;
-    let attachments = state.repositories.message.attachments_for_messages(&[message.id]).await?.remove(&message.id).unwrap_or_default();
+    let attachments = state
+        .repositories
+        .message
+        .attachments_for_messages(&[message.id])
+        .await?
+        .remove(&message.id)
+        .unwrap_or_default();
     Ok((
         StatusCode::CREATED,
         Json(mapper::message_model_to_message_response_with_data(
@@ -247,10 +283,19 @@ pub async fn update(
         .await?
         .remove(&id)
         .unwrap_or_default();
-    let attachments = state.repositories.message.attachments_for_messages(&[id]).await?.remove(&id).unwrap_or_default();
+    let attachments = state
-    Ok(Json(
+        .repositories
-        mapper::message_model_to_message_response_with_data(message, None, reactions, attachments),
+        .message
-    ))
+        .attachments_for_messages(&[id])
+        .await?
+        .remove(&id)
+        .unwrap_or_default();
+    Ok(Json(mapper::message_model_to_message_response_with_data(
+        message,
+        None,
+        reactions,
+        attachments,
+    )))
 }
 
 #[utoipa::path(
@@ -273,8 +318,15 @@ pub async fn add_reaction(
     Path(message_id): Path<Uuid>,
     Json(payload): Json<CreateReactionRequest>,
 ) -> Result<(StatusCode, Json<ReactionResponse>), HTTPError> {
-    let message = state.repositories.message.get_by_id(message_id).await?.ok_or(HTTPError::NotFound)?;
+    let message = state
-    if !can_access(&state, message.channel_id, user.id).await? { return Err(HTTPError::Forbidden); }
+        .repositories
+        .message
+        .get_by_id(message_id)
+        .await?
+        .ok_or(HTTPError::NotFound)?;
+    if !can_access(&state, message.channel_id, user.id).await? {
+        return Err(HTTPError::Forbidden);
+    }
     let (reaction, created) = state
         .services
         .message_reaction
@@ -312,8 +364,15 @@ pub async fn remove_reaction(
     Path((message_id, emoji_id)): Path<(Uuid, Uuid)>,
     Query(query): Query<DeleteReactionQuery>,
 ) -> Result<StatusCode, HTTPError> {
-    let message = state.repositories.message.get_by_id(message_id).await?.ok_or(HTTPError::NotFound)?;
+    let message = state
-    if !can_access(&state, message.channel_id, user.id).await? { return Err(HTTPError::Forbidden); }
+        .repositories
+        .message
+        .get_by_id(message_id)
+        .await?
+        .ok_or(HTTPError::NotFound)?;
+    if !can_access(&state, message.channel_id, user.id).await? {
+        return Err(HTTPError::Forbidden);
+    }
     state
         .services
         .message_reaction

src/routes/message/mapper.rs

@@ -3,8 +3,8 @@ use crate::domain::dto::message::{
 };
 use crate::domain::dto::reaction::ReactionGroupResponse;
 use crate::domain::dto::reaction::ReactionResponse;
-use crate::models::message;
 use crate::models::attachment;
+use crate::models::message;
 use crate::models::message_reaction;
 use crate::repositories::types::MessageFilter;
 use chrono::Utc;
@@ -38,7 +38,10 @@ pub fn message_model_to_message_response_with_data(
         updated_at: model.updated_at,
         reply_to_id: model.reply_to_id,
         reactions,
-        attachments: attachments.into_iter().map(crate::routes::attachment::mapper::to_response).collect(),
+        attachments: attachments
+            .into_iter()
+            .map(crate::routes::attachment::mapper::to_response)
+            .collect(),
     }
 }
 

src/services/emoji.rs

@@ -4,10 +4,7 @@ use crate::services::ServicesContext;
 use crate::services::media::PendingMediaFile;
 use sea_orm::{ActiveModelTrait, Set, TransactionTrait};
 use sha2::{Digest, Sha256};
-use std::{
+use std::{path::Path, sync::Arc};
-    path::Path,
-    sync::Arc,
-};
 use tokio::fs;
 use uuid::Uuid;
 
@@ -91,10 +88,12 @@ impl EmojiService {
         let mut pending = PendingMediaFile::begin(root, "emoji", id, extension)
             .await
             .map_err(|e| HTTPError::InternalServerError(e.to_string()))?;
-        pending.write(data)
+        pending
+            .write(data)
             .await
             .map_err(|e| HTTPError::InternalServerError(e.to_string()))?;
-        let relative = pending.finish()
+        let relative = pending
+            .finish()
             .await
             .map_err(|e| HTTPError::InternalServerError(e.to_string()))?;
         Ok((relative, Self::hash(data)))

src/services/media.rs

@@ -12,7 +12,12 @@ pub struct PendingMediaFile {
 }
 
 impl PendingMediaFile {
-    pub async fn begin(root: &Path, directory: &str, id: Uuid, extension: Option<&str>) -> std::io::Result<Self> {
+    pub async fn begin(
+        root: &Path,
+        directory: &str,
+        id: Uuid,
+        extension: Option<&str>,
+    ) -> std::io::Result<Self> {
         let relative_directory = PathBuf::from(directory);
         let directory_path = root.join(&relative_directory);
         fs::create_dir_all(&directory_path).await?;
@@ -31,7 +36,10 @@ impl PendingMediaFile {
             file,
             temporary_path,
             final_path,
-            relative_final_path: relative_directory.join(final_name).to_string_lossy().into_owned(),
+            relative_final_path: relative_directory
+                .join(final_name)
+                .to_string_lossy()
+                .into_owned(),
         })
     }
 
@@ -59,8 +67,16 @@ pub fn extension_from_filename(filename: &str) -> Option<String> {
         .iter()
         .find(|candidate| lower.ends_with(&format!(".{candidate}")))
         .map(|candidate| (*candidate).to_string())
-        .or_else(|| Path::new(name).extension().and_then(|value| value.to_str()).map(str::to_ascii_lowercase))?;
+        .or_else(|| {
-    if extension.chars().all(|character| character.is_ascii_alphanumeric() || character == '.') {
+            Path::new(name)
+                .extension()
+                .and_then(|value| value.to_str())
+                .map(str::to_ascii_lowercase)
+        })?;
+    if extension
+        .chars()
+        .all(|character| character.is_ascii_alphanumeric() || character == '.')
+    {
         Some(extension)
     } else {
         None
@@ -117,7 +133,10 @@ mod tests {
 
     #[test]
     fn preserves_compound_extensions() {
-        assert_eq!(extension_from_filename("archive.tar.gz").as_deref(), Some("tar.gz"));
+        assert_eq!(
+            extension_from_filename("archive.tar.gz").as_deref(),
+            Some("tar.gz")
+        );
     }
 
     #[test]

src/services/message.rs

@@ -4,7 +4,9 @@ use crate::domain::events::message::{
 use crate::models::{attachment, channel, message};
 use crate::services::ServicesContext;
 use event_bus::Scope;
-use sea_orm::{ActiveModelTrait, ColumnTrait, EntityTrait, QueryFilter, QuerySelect, Set, TransactionTrait};
+use sea_orm::{
+    ActiveModelTrait, ColumnTrait, EntityTrait, QueryFilter, QuerySelect, Set, TransactionTrait,
+};
 use std::sync::Arc;
 use uuid::Uuid;
 
@@ -87,14 +89,23 @@ impl MessageService {
                 .await?
         };
         if files.len() != file_ids.len()
-            || files.iter().any(|file| file.channel_id != channel_id || file.user_id != author_id || file.message_id.is_some())
+            || files.iter().any(|file| {
+                file.channel_id != channel_id
+                    || file.user_id != author_id
+                    || file.message_id.is_some()
+            })
         {
             return Err(anyhow::anyhow!("Invalid or already used attachment"));
         }
         let msg = message::ActiveModel {
-            channel_id: Set(channel_id), user_id: Set(author_id), content: Set(content),
+            channel_id: Set(channel_id),
-            reply_to_id: Set(reply_to_id), ..Default::default()
+            user_id: Set(author_id),
-        }.insert(&txn).await?;
+            content: Set(content),
+            reply_to_id: Set(reply_to_id),
+            ..Default::default()
+        }
+        .insert(&txn)
+        .await?;
         for file in files {
             let mut active: attachment::ActiveModel = file.into();
             active.message_id = Set(Some(msg.id));
@@ -102,13 +113,25 @@ impl MessageService {
         }
         txn.commit().await?;
         let server_id = channel::Entity::find_by_id(msg.channel_id)
-            .select_only().column(channel::Column::ServerId)
+            .select_only()
-            .into_tuple::<Option<Uuid>>().one(db).await?.flatten();
+            .column(channel::Column::ServerId)
+            .into_tuple::<Option<Uuid>>()
+            .one(db)
+            .await?
+            .flatten();
         let mut scopes = vec![Scope::uuid("channel", msg.channel_id)];
-        if let Some(server_id) = server_id { scopes.push(Scope::uuid("server", server_id)); }
+        if let Some(server_id) = server_id {
-        event_bus.emit_scoped("message_created", scopes, MessageCreatedEvent {
+            scopes.push(Scope::uuid("server", server_id));
-            server_id, channel_id: msg.channel_id, message: msg.clone(),
+        }
-        });
+        event_bus.emit_scoped(
+            "message_created",
+            scopes,
+            MessageCreatedEvent {
+                server_id,
+                channel_id: msg.channel_id,
+                message: msg.clone(),
+            },
+        );
         Ok(msg)
     }
 

src/services/mod.rs

@@ -16,9 +16,9 @@ use std::sync::{Arc, OnceLock};
 pub mod category;
 pub mod channel;
 pub mod emoji;
+pub mod media;
 pub mod message;
 pub mod message_reaction;
-pub mod media;
 mod permission;
 pub mod permission_sync;
 pub mod realtime_registry;