feat: 添加Projects结构体并优化项目获取逻辑及状态码

- 添加Projects结构体并优化get_all_project方法以使用新结构体收集项目名称
- 将项目获取成功时的HTTP状态码从404修改为200。

src/db.rs

@@ -17,6 +17,11 @@ pub struct Authorize {
   pub insert_time: String,
 }
 
+#[derive(Debug, WeldsModel)]
+pub struct Projects {
+    pub project: String,
+}
+
 /// 包装类，内部持有 SQLite 连接
 pub struct Db {
   client: SqliteClient,
@@ -189,17 +194,18 @@ impl Db {
   pub async fn get_all_project(
     &self,
   ) -> Result<Vec<String>, Box<dyn std::error::Error + Send + Sync>> {
-    let result = Authorize::select(|a| a.project)
+    let rows = Authorize::all()
+      .select(|a| a.project)
       .group_by(|a| a.project)
       .run(&self.client)
       .await?;
 
-    let rows: Vec<Authorize> = result.collect_into()?;
-    let projects: Vec<String> = Vec::new();
-    for row in rows {
-      println!("{row:?}");
+    // 用Projects结构体来收集查询到的结果
+    let result: Vec<Projects> = rows.collect_into()?;
+    let mut projects:Vec<String> = Vec::new();
+    for row in result {
+      projects.push(row.project);
     }
-
     Ok(projects)
   }
 }