Update to allow for seeding of database

2026-08-11 05:29:51 +08:00
parent 1ade75b635
commit 8b1eddb587
9 changed files with 287 additions and 7 deletions
@@ -48,8 +48,17 @@ public static class DataSeeder
        };
        db.Encounters.AddRange(encounter1, encounter2);

-        var thresholds = BuildDefaultThresholds();
-        db.AlertThresholds.AddRange(thresholds);
+        // Thresholds may already exist from BootstrapSeeder — unique on observation_code.
+        List<AlertThreshold> thresholds;
+        if (!await db.AlertThresholds.AnyAsync())
+        {
+            thresholds = BuildDefaultThresholds();
+            db.AlertThresholds.AddRange(thresholds);
+        }
+        else
+        {
+            thresholds = await db.AlertThresholds.ToListAsync();
+        }

        // Observations spanning normal, warning, and critical ranges for encounter1
        var now = DateTimeOffset.UtcNow;
@@ -108,6 +117,21 @@ public static class DataSeeder
        await CacheThresholdsAsync(redis, thresholds);
    }

+    /// <summary>
+    /// Idempotent: inserts the default threshold catalogue only when the table is empty,
+    /// then warms Redis. Safe for production bootstrap.
+    /// </summary>
+    public static async Task EnsureDefaultThresholdsAsync(AppDbContext db, IConnectionMultiplexer redis)
+    {
+        if (await db.AlertThresholds.AnyAsync())
+            return;
+
+        var thresholds = BuildDefaultThresholds();
+        db.AlertThresholds.AddRange(thresholds);
+        await db.SaveChangesAsync();
+        await CacheThresholdsAsync(redis, thresholds);
+    }
+
    public static List<AlertThreshold> BuildDefaultThresholds() => new()
    {
        new() {