fix: limit should have default and all data should use camelCase

chat_core/src/lib.rs

@@ -25,6 +25,7 @@ pub struct User {
 }
 
 #[derive(Debug, Clone, FromRow, ToSchema, Serialize, Deserialize, PartialEq)]
+#[serde(rename_all = "camelCase")]
 pub struct Workspace {
     pub id: i64,
     pub name: String,
@@ -33,6 +34,7 @@ pub struct Workspace {
 }
 
 #[derive(Debug, Clone, FromRow, ToSchema, Serialize, Deserialize, PartialEq)]
+#[serde(rename_all = "camelCase")]
 pub struct ChatUser {
     pub id: i64,
     pub fullname: String,
@@ -41,7 +43,7 @@ pub struct ChatUser {
 
 #[derive(Debug, Clone, ToSchema, Serialize, Deserialize, PartialEq, PartialOrd, sqlx::Type)]
 #[sqlx(type_name = "chat_type", rename_all = "snake_case")]
-#[serde(rename_all = "snake_case")]
+#[serde(rename_all = "camelCase")]
 pub enum ChatType {
     Single,
     Group,
@@ -50,6 +52,7 @@ pub enum ChatType {
 }
 
 #[derive(Debug, Clone, FromRow, ToSchema, Serialize, Deserialize, PartialEq)]
+#[serde(rename_all = "camelCase")]
 pub struct Chat {
     pub id: i64,
     pub ws_id: i64,
@@ -60,6 +63,7 @@ pub struct Chat {
 }
 
 #[derive(Debug, Clone, FromRow, ToSchema, Serialize, Deserialize, PartialEq)]
+#[serde(rename_all = "camelCase")]
 pub struct Message {
     pub id: i64,
     pub chat_id: i64,

chat_server/src/models/messages.rs

@@ -12,7 +12,9 @@ pub struct CreateMessage {
 
 #[derive(Debug, Clone, IntoParams, ToSchema, Serialize, Deserialize)]
 pub struct ListMessages {
+    #[serde(default)]
     pub last_id: Option<u64>,
+    #[serde(default)]
     pub limit: u64,
 }
 
@@ -67,6 +69,11 @@ impl AppState {
         chat_id: u64,
     ) -> Result<Vec<Message>, AppError> {
         let last_id = input.last_id.unwrap_or(i64::MAX as _);
+        let limit = match input.limit {
+            0 => i64::MAX,
+            1..=100 => input.limit as _,
+            _ => 100,
+        };
 
         let messages: Vec<Message> = sqlx::query_as(
             r#"
@@ -80,7 +87,7 @@ impl AppState {
         )
         .bind(chat_id as i64)
         .bind(last_id as i64)
-        .bind(input.limit as i64)
+        .bind(limit)
         .fetch_all(&self.pool)
         .await?;