Add user_id filter when listing tenants with global API key. (#34)

api/proto/api/tenant.proto

@@ -189,6 +189,10 @@ message ListTenantsRequest {
 
     // If set, the given string will be used to search on name.
     string search = 3;
+
+    // If set, filters the result set to the tenants of the user.
+    // Only global API keys are able to filter by this field.
+    string user_id = 4;
 }
 
 message ListTenantsResponse {

api/python/proto/chirpstack-api/api/tenant.proto

@@ -189,6 +189,10 @@ message ListTenantsRequest {
 
     // If set, the given string will be used to search on name.
     string search = 3;
+
+    // If set, filters the result set to the tenants of the user.
+    // Only global API keys are able to filter by this field.
+    string user_id = 4;
 }
 
 message ListTenantsResponse {

api/rust/proto/chirpstack/api/tenant.proto

@@ -189,6 +189,10 @@ message ListTenantsRequest {
 
     // If set, the given string will be used to search on name.
     string search = 3;
+
+    // If set, filters the result set to the tenants of the user.
+    // Only global API keys are able to filter by this field.
+    string user_id = 4;
 }
 
 message ListTenantsResponse {

chirpstack/src/api/tenant.rs

@@ -172,8 +172,13 @@ impl TenantService for Tenant {
                 }
             }
             AuthID::Key(_) => {
-                // Nothing to do as the validator function already validated that the
+                // Nothing else to do as the validator function already validated that the
                 // API key must be a global admin key.
+
+                if !req.user_id.is_empty() {
+                    let user_id = Uuid::from_str(&req.user_id).map_err(|e| e.status())?;
+                    filters.user_id = Some(user_id);
+                }
             }
             _ => {
                 // this should never happen
@@ -492,6 +497,7 @@ pub mod test {
             search: "update".into(),
             offset: 0,
             limit: 10,
+            user_id: "".into(),
         };
         let mut list_req = Request::new(list_req);
         list_req.extensions_mut().insert(AuthID::User(u.id.clone()));

chirpstack/src/storage/tenant.rs

@@ -429,6 +429,18 @@ pub mod test {
         let t_get = get(&t.id).await.unwrap();
         assert_eq!(t, t_get);
 
+        // add tenant user for filter by user_id test
+        let user = create_user().await;
+
+        let tu = TenantUser {
+            tenant_id: t.id,
+            user_id: user.id,
+            is_admin: true,
+            ..Default::default()
+        };
+
+        add_user(tu).await.unwrap();
+
         // get_count and list
         let tests = vec![
             FilterTest {
@@ -481,6 +493,16 @@ pub mod test {
                 limit: 10,
                 offset: 10,
             },
+            FilterTest {
+                filter: Filters {
+                    user_id: Some(user.id),
+                    search: None,
+                },
+                ts: vec![&t],
+                count: 1,
+                limit: 10,
+                offset: 0,
+            },
         ];
         for tst in tests {
             let count = get_count(&tst.filter).await.unwrap() as usize;