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");
+        }
+    }
+}