init

src/routes/message/handlers.rs

@@ -1,21 +1,25 @@
-use crate::domain::dto::message::{CreateMessageRequest, MessageQueryParams, MessageResponse, UpdateMessageRequest};
 use crate::core::state::AppState;
+use crate::domain::dto::message::{
+    CreateMessageRequest, MessagePageResponse, MessageQueryParams, MessageResponse,
+    UpdateMessageRequest,
+};
 use crate::http::context::CurrentUser;
 use crate::http::error::HTTPError;
 use crate::routes::message::mapper;
 use axum::{
+    Json,
     extract::{Path, Query, State},
     http::StatusCode,
-    Json,
 };
 use uuid::Uuid;
 
-/// Liste tous les messages
+/// Liste une fenêtre paginée de messages
 #[utoipa::path(
     get,
     path = "/messages",
     responses(
-        (status = 200, description = "Liste des messages récupérée avec succès", body = [MessageResponse]),
+        (status = 200, description = "Fenêtre de messages récupérée avec succès", body = MessagePageResponse),
+        (status = 400, description = "Curseurs incompatibles ou canal manquant"),
         (status = 500, description = "Erreur interne du serveur")
     ),
     params(
@@ -26,15 +30,29 @@ use uuid::Uuid;
 pub async fn get_all(
     State(state): State<AppState>,
     Query(filters): Query<MessageQueryParams>,
-) -> Result<Json<Vec<MessageResponse>>, HTTPError> {
+) -> Result<Json<MessagePageResponse>, HTTPError> {
+    if filters.before_id.is_some() && filters.after_id.is_some() {
+        return Err(HTTPError::BadRequest(
+            "before_id and after_id cannot be used together".to_string(),
+        ));
+    }
+
     let params = mapper::query_params_to_message_filter(filters);
-    let messages = state.repositories.message.filter(params).await?;
-    Ok(Json(
-        messages
+    let page = state.repositories.message.filter(params).await?;
+    let oldest_id = page.messages.first().map(|message| message.id);
+    let newest_id = page.messages.last().map(|message| message.id);
+
+    Ok(Json(MessagePageResponse {
+        messages: page
+            .messages
             .into_iter()
             .map(mapper::message_model_to_message_response)
             .collect(),
-    ))
+        oldest_id,
+        newest_id,
+        has_more_before: page.has_more_before,
+        has_more_after: page.has_more_after,
+    }))
 }
 
 /// Récupère un message par son ID
@@ -105,7 +123,11 @@ pub async fn create(
             ))?;
     }
 
-    let message = state.services.message.create_message(payload.channel_id, user.id, payload.content).await?;
+    let message = state
+        .services
+        .message
+        .create_message(payload.channel_id, user.id, payload.content)
+        .await?;
     Ok((
         StatusCode::CREATED,
         Json(mapper::message_model_to_message_response(message)),
@@ -150,7 +172,11 @@ pub async fn update(
         return Err(HTTPError::Forbidden);
     }
 
-    let message = state.services.message.update_message(id, payload.content).await?;
+    let message = state
+        .services
+        .message
+        .update_message(id, payload.content)
+        .await?;
 
     Ok(Json(mapper::message_model_to_message_response(message)))
 }