Set study_id in trial

optuna_dashboard/serializer.py

@@ -30,7 +30,9 @@ def serialize_study_summary(summary: StudySummary) -> Dict[str, Any]:
         serialized["datetime_start"] = (summary.datetime_start.isoformat(),)
 
     if summary.best_trial:  # Make undefined if None
-        serialized["best_trial"] = serialize_frozen_trial(summary.best_trial)
+        serialized["best_trial"] = serialize_frozen_trial(
+            summary._study_id, summary.best_trial
+        )
 
     return serialized
 
@@ -46,15 +48,20 @@ def serialize_study_detail(
         serialized["datetime_start"] = summary.datetime_start.isoformat()
 
     if summary.best_trial is not None:
-        serialized["best_trial"] = serialize_frozen_trial(summary.best_trial)
+        serialized["best_trial"] = serialize_frozen_trial(
+            summary._study_id, summary.best_trial
+        )
 
-    serialized["trials"] = [serialize_frozen_trial(trial) for trial in trials]
+    serialized["trials"] = [
+        serialize_frozen_trial(summary._study_id, trial) for trial in trials
+    ]
     return serialized
 
 
-def serialize_frozen_trial(trial: FrozenTrial) -> Dict[str, Any]:
+def serialize_frozen_trial(study_id: int, trial: FrozenTrial) -> Dict[str, Any]:
     serialized = {
         "trial_id": trial._trial_id,
+        "study_id": study_id,
         "number": trial.number,
         "state": trial.state.name.capitalize(),
         "intermediate_values": serialize_intermediate_values(trial.intermediate_values),

optuna_dashboard/static/apiClient.ts

@@ -83,7 +83,7 @@ interface StudySummariesResponse {
     }
     user_attrs: Attribute[]
     system_attrs: Attribute[]
-    datetime_start: string
+    datetime_start?: string
   }[]
 }
 
@@ -103,7 +103,9 @@ export const getStudySummariesAPI = (): Promise<StudySummary[]> => {
             best_trial: best_trial,
             user_attrs: study.user_attrs,
             system_attrs: study.system_attrs,
-            datetime_start: new Date(study.datetime_start),
+            datetime_start: study.datetime_start
+              ? new Date(study.datetime_start)
+              : undefined,
           }
         }
       )
@@ -111,7 +113,27 @@ export const getStudySummariesAPI = (): Promise<StudySummary[]> => {
 }
 
 interface CreateNewStudyResponse {
-  study_summary: StudySummary
+  study_summary: {
+    study_id: number
+    study_name: string
+    direction: StudyDirection
+    best_trial?: {
+      trial_id: number
+      study_id: number
+      number: number
+      state: TrialState
+      value?: number
+      intermediate_values: TrialIntermediateValue[]
+      datetime_start: string
+      datetime_complete?: string
+      params: TrialParam[]
+      user_attrs: Attribute[]
+      system_attrs: Attribute[]
+    }
+    user_attrs: Attribute[]
+    system_attrs: Attribute[]
+    datetime_start?: string
+  }
 }
 
 export const createNewStudyAPI = (
@@ -132,7 +154,9 @@ export const createNewStudyAPI = (
         // best_trial: undefined,
         user_attrs: study_summary.user_attrs,
         system_attrs: study_summary.system_attrs,
-        datetime_start: new Date(study_summary.datetime_start),
+        datetime_start: study_summary.datetime_start
+          ? new Date(study_summary.datetime_start)
+          : undefined,
       }
     })
 }

optuna_dashboard/static/types/index.d.ts

@@ -46,7 +46,7 @@ declare interface StudySummary {
   best_trial?: Trial
   user_attrs: Attribute[]
   system_attrs: Attribute[]
-  datetime_start: Date
+  datetime_start?: Date
 }
 
 declare interface StudyDetail {