Basic rest implementation for connecting user to sales-person

service_impl/src/permission.rs

@@ -1,6 +1,7 @@
 use std::sync::Arc;
 
 use async_trait::async_trait;
+use service::ServiceError;
 
 pub struct PermissionServiceImpl<PermissionDao, UserService>
 where
@@ -75,6 +76,11 @@ where
         Ok(())
     }
 
+    async fn user_exists(&self, user: &str, context: Self::Context) -> Result<bool, ServiceError> {
+        self.check_permission("hr", context).await?;
+        Ok(self.permission_dao.find_user(user).await.map(|x| x.is_some())?)
+    }
+
     async fn get_all_users(
         &self,
         context: Self::Context,

service_impl/src/sales_person.rs

@@ -188,4 +188,36 @@ where
             .await?;
         Ok(())
     }
+
+    async fn get_assigned_user(
+        &self,
+        sales_person_id: Uuid,
+        context: Self::Context,
+    ) -> Result<Option<Arc<str>>, ServiceError> {
+        self.permission_service
+            .check_permission("hr", context)
+            .await?;
+        Ok(self.sales_person_dao.get_assigned_user(sales_person_id).await?)
+    }
+
+    async fn set_user(
+        &self,
+        sales_person_id: Uuid,
+        user_id: Option<Arc<str>>,
+        context: Self::Context,
+    ) -> Result<(), ServiceError> {
+        self.permission_service
+            .check_permission("hr", context)
+            .await?;
+        self.sales_person_dao
+            .discard_assigned_user(sales_person_id)
+            .await?;
+        if let Some(user) = user_id {
+            self.sales_person_dao
+                .assign_to_user(sales_person_id, user.as_ref(), SALES_PERSON_SERVICE_PROCESS)
+                .await?;
+            
+        }
+        Ok(())
+    }
 }