bugfix and tweaks

Author: simonwicky

nym-vpn-core/crates/nym-statistics/migrations/002_reports.sql

@@ -1,6 +1,6 @@
 CREATE TABLE pending_session_report (
     id                      INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
-    day                     DATE NOT NULL,
+    day_utc                 DATE NOT NULL,
     connection_time_ms      INTEGER NOT NULL, 
     retry_attempt           INTEGER NOT NULL,
     session_duration_min    INTEGER NOT NULL,

nym-vpn-core/crates/nym-statistics/src/handler/report_sending.rs

@@ -286,15 +286,17 @@ impl InnerHandler {
                             return;
                         }
                         Some(event) => {
-                            if let Some(changes) = self.update_sending_policy(event) {
+                            if let Some(new_allowed) = self.update_sending_policy(event) {
                                 // Handle policy changes
-                                if changes {
-                                    timer.as_mut().set(tokio::time::sleep(SendingConfig::random_small_delay()).fuse());
+                                if new_allowed {
+                                    let next_delay = SendingConfig::random_small_delay();
+                                    tracing::debug!("Stats report conditions are met, trying to send in {} secs", next_delay.as_secs());
+                                    timer.as_mut().set(tokio::time::sleep(next_delay).fuse());
 
                                 } else {
                                     // We can't send, we need to abort
                                     timer.as_mut().set(tokio::time::sleep(SendingConfig::random_big_delay()).fuse());
-                                    tracing::debug!("Stats report conditions not met, canceling sending task");
+                                    tracing::debug!("Stats report conditions not met, canceling sending task (if it was running)");
                                     sending_task.set(Fuse::terminated());
                                 }
                             }

nym-vpn-core/crates/nym-statistics/src/storage/sqlite.rs

@@ -47,7 +47,7 @@ impl SqliteStatsStorageManager {
         report: &SessionReport,
     ) -> Result<(), StatsStorageError> {
         sqlx::query!(
-            r#"INSERT INTO pending_session_report (day, 
+            r#"INSERT INTO pending_session_report (day_utc, 
             connection_time_ms, 
             retry_attempt,
             session_duration_min, 
@@ -77,7 +77,7 @@ impl SqliteStatsStorageManager {
         Ok(sqlx::query_as(
             r#"SELECT 
             id, 
-            day, 
+            day_utc, 
             connection_time_ms, 
             retry_attempt,
             session_duration_min,