From 4774f5d6b502ee502bdddce409eea7e1c64a61e3 Mon Sep 17 00:00:00 2001
From: rozetko <rozetko@corpglory.com>
Date: Wed, 22 Dec 2021 21:01:57 +0300
Subject: [PATCH 1/2] LearningStatus::Error : error message argument

---
 server/src/services/analytic_service/analytic_service.rs | 4 ++--
 server/src/services/analytic_service/types.rs            | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/server/src/services/analytic_service/analytic_service.rs b/server/src/services/analytic_service/analytic_service.rs
index 090f108..2156fa0 100644
--- a/server/src/services/analytic_service/analytic_service.rs
+++ b/server/src/services/analytic_service/analytic_service.rs
@@ -263,9 +263,9 @@ impl AnalyticService {
                 }
             }
             // TODO: create custom DatasourceError error type
-            Err(_) => {
+            Err(err) => {
                 self.analytic_unit = None;
-                self.analytic_unit_learning_status = LearningStatus::Error;
+                self.analytic_unit_learning_status = LearningStatus::Error(err.to_string());
             }
         }
     }
diff --git a/server/src/services/analytic_service/types.rs b/server/src/services/analytic_service/types.rs
index 6d1efbe..527ede7 100644
--- a/server/src/services/analytic_service/types.rs
+++ b/server/src/services/analytic_service/types.rs
@@ -22,7 +22,7 @@ pub enum LearningStatus {
     Initialization,
     Starting,
     Learning,
-    Error,
+    Error(String),
     Ready,
 }
 

From ef572afcaa18a2896a3f1060d3de82a9bed4142a Mon Sep 17 00:00:00 2001
From: rozetko <rozetko@corpglory.com>
Date: Wed, 22 Dec 2021 21:02:32 +0300
Subject: [PATCH 2/2] prettify "too short timeserie to learn from" error
 message

---
 .../analytic_service/analytic_unit/anomaly_analytic_unit.rs     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/server/src/services/analytic_service/analytic_unit/anomaly_analytic_unit.rs b/server/src/services/analytic_service/analytic_unit/anomaly_analytic_unit.rs
index cf23f1d..a33202d 100644
--- a/server/src/services/analytic_service/analytic_unit/anomaly_analytic_unit.rs
+++ b/server/src/services/analytic_service/analytic_unit/anomaly_analytic_unit.rs
@@ -50,7 +50,7 @@ impl SARIMA {
         // TODO: trend detection
 
         if ts.len() < 2 {
-            return Err(anyhow::format_err!("to short timeserie to learn from"));
+            return Err(anyhow::format_err!("too short timeserie to learn from, timeserie length: {}", ts.len()));
         }
         // TODO: ensure capacity with seasonality size
         let mut res_ts = Vec::<(u64, f64)>::new();