fix: Trend alert matching uses fragile LIKE pattern

2026-06-21 16:45:09 +08:00
parent 076e8364b2
commit 3eb937ef98
6 changed files with 1339 additions and 6 deletions
@@ -0,0 +1,52 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace VigilCareClinicalAPI.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddAlertObservationCode : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<string>(
+                name: "observation_code",
+                table: "clinical_alerts",
+                type: "character varying(50)",
+                maxLength: 50,
+                nullable: true);
+
+            migrationBuilder.Sql(@"
+                UPDATE clinical_alerts
+                SET observation_code = CASE
+                    WHEN details LIKE '%HEART_RATE%'  THEN 'HEART_RATE'
+                    WHEN details LIKE '%RESP_RATE%'   THEN 'RESP_RATE'
+                    WHEN details LIKE '%SYSTOLIC_BP%' THEN 'SYSTOLIC_BP'
+                    WHEN details LIKE '%TEMP_C%'      THEN 'TEMP_C'
+                    WHEN details LIKE '%SPO2%'        THEN 'SPO2'
+                END
+                WHERE alert_type = 'RAPID_DETERIORATION'
+                  AND observation_code IS NULL;
+            ");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_clinical_alerts_encounter_id_alert_type_observation_code",
+                table: "clinical_alerts",
+                columns: new[] { "encounter_id", "alert_type", "observation_code" },
+                filter: "status IN ('OPEN', 'ESCALATED')");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_clinical_alerts_encounter_id_alert_type_observation_code",
+                table: "clinical_alerts");
+
+            migrationBuilder.DropColumn(
+                name: "observation_code",
+                table: "clinical_alerts");
+        }
+    }
+}
@@ -113,6 +113,11 @@ namespace VigilCareClinicalAPI.Migrations
                        .HasColumnType("uuid")
                        .HasColumnName("encounter_id");

+                    b.Property<string>("ObservationCode")
+                        .HasMaxLength(50)
+                        .HasColumnType("character varying(50)")
+                        .HasColumnName("observation_code");
+
                    b.Property<Guid?>("ObservationId")
                        .HasColumnType("uuid")
                        .HasColumnName("observation_id");
@@ -154,6 +159,9 @@ namespace VigilCareClinicalAPI.Migrations
                    b.HasIndex("Severity", "TriggeredAt")
                        .HasFilter("status = 'OPEN'");

+                    b.HasIndex("EncounterId", "AlertType", "ObservationCode")
+                        .HasFilter("status IN ('OPEN', 'ESCALATED')");
+
                    b.ToTable("clinical_alerts", null, t =>
                        {
                            t.HasCheckConstraint("chk_clinical_alerts_alert_type", "alert_type IN ('SEPSIS_WARNING', 'CRITICAL_HEART_RATE', 'CRITICAL_TEMP_C', 'CRITICAL_POTASSIUM_MEQ_L', 'CRITICAL_SPO2', 'CRITICAL_RESP_RATE', 'CRITICAL_WBC_K_UL', 'CRITICAL_SYSTOLIC_BP', 'CRITICAL_DIASTOLIC_BP', 'CRITICAL_LACTATE_MMOL_L', 'CRITICAL_AVPU', 'CRITICAL_GLUCOSE_MG_DL', 'CRITICAL_PAO2_MMHG', 'CRITICAL_PLATELET_K_UL', 'CRITICAL_BILIRUBIN_MG_DL', 'CRITICAL_CREATININE_MG_DL', 'WARNING_HEART_RATE', 'WARNING_TEMP_C', 'WARNING_POTASSIUM_MEQ_L', 'WARNING_SPO2', 'WARNING_RESP_RATE', 'WARNING_WBC_K_UL', 'WARNING_SYSTOLIC_BP', 'WARNING_DIASTOLIC_BP', 'WARNING_LACTATE_MMOL_L', 'WARNING_GLUCOSE_MG_DL', 'WARNING_PAO2_MMHG', 'WARNING_PLATELET_K_UL', 'WARNING_BILIRUBIN_MG_DL', 'WARNING_CREATININE_MG_DL', 'NEWS2_WARNING', 'NEWS2_EMERGENCY', 'RAPID_DETERIORATION', 'QSOFA_WARNING', 'QSOFA_SCREEN', 'GCS_CRITICAL', 'GCS_WARNING', 'SOFA_SEPSIS', 'SOFA_WARNING')");