refactor(db): migrate job workspace notes

Move interview preparation and AI workspace output persistence into an additive provider-aware migration. Preserve reviewed results, uniqueness, and application cascade semantics.
2026-08-30 17:22:04 +02:00
parent 9922426aa5
commit 778b365f9e
9 changed files with 186 additions and 93 deletions
@@ -0,0 +1,95 @@
+using System;
+using JobTrackerApi.Data;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace JobTrackerApi.Migrations;
+
+/// <summary>
+/// Moves persisted job-workspace AI outputs into migration ownership without replacing existing
+/// interview preparation, candidate-fit, or focus-plan content.
+/// </summary>
+[DbContext(typeof(JobTrackerContext))]
+[Migration("20260830127000_AdoptJobWorkspaceNotesSchema")]
+public sealed class AdoptJobWorkspaceNotesSchema : Migration
+{
+    protected override void Up(MigrationBuilder migrationBuilder)
+    {
+        if (ActiveProvider.Contains("MySql", StringComparison.OrdinalIgnoreCase))
+        {
+            migrationBuilder.Sql("""
+                CREATE TABLE IF NOT EXISTS `InterviewPrepNotes` (
+                    `Id` int NOT NULL AUTO_INCREMENT,
+                    `OwnerUserId` varchar(255) NOT NULL,
+                    `JobApplicationId` int NOT NULL,
+                    `AttachmentContextSignature` longtext NOT NULL,
+                    `Summary` longtext NOT NULL,
+                    `TalkingPointsJson` longtext NOT NULL,
+                    `LikelyQuestionsJson` longtext NOT NULL,
+                    `WeakSpotsJson` longtext NOT NULL,
+                    `GeneratedAtUtc` datetime(6) NOT NULL,
+                    PRIMARY KEY (`Id`),
+                    CONSTRAINT `FK_InterviewPrepNotes_JobApplications_JobApplicationId`
+                        FOREIGN KEY (`JobApplicationId`) REFERENCES `JobApplications` (`Id`) ON DELETE CASCADE
+                ) CHARACTER SET=utf8mb4;
+                CREATE UNIQUE INDEX IF NOT EXISTS `IX_InterviewPrepNotes_OwnerUserId_JobApplicationId`
+                    ON `InterviewPrepNotes` (`OwnerUserId`(191), `JobApplicationId`);
+
+                CREATE TABLE IF NOT EXISTS `AiWorkspaceNotes` (
+                    `Id` int NOT NULL AUTO_INCREMENT,
+                    `OwnerUserId` varchar(255) NOT NULL,
+                    `JobApplicationId` int NOT NULL,
+                    `NoteType` varchar(50) NOT NULL,
+                    `AttachmentContextSignature` longtext NOT NULL,
+                    `ResultJson` longtext NOT NULL,
+                    `GeneratedAtUtc` datetime(6) NOT NULL,
+                    PRIMARY KEY (`Id`),
+                    CONSTRAINT `FK_AiWorkspaceNotes_JobApplications_JobApplicationId`
+                        FOREIGN KEY (`JobApplicationId`) REFERENCES `JobApplications` (`Id`) ON DELETE CASCADE
+                ) CHARACTER SET=utf8mb4;
+                CREATE UNIQUE INDEX IF NOT EXISTS `IX_AiWorkspaceNotes_OwnerUserId_JobApplicationId_NoteType`
+                    ON `AiWorkspaceNotes` (`OwnerUserId`(191), `JobApplicationId`, `NoteType`);
+                """);
+            return;
+        }
+
+        migrationBuilder.Sql("""
+            CREATE TABLE IF NOT EXISTS "InterviewPrepNotes" (
+                "Id" INTEGER NOT NULL CONSTRAINT "PK_InterviewPrepNotes" PRIMARY KEY AUTOINCREMENT,
+                "OwnerUserId" TEXT NOT NULL,
+                "JobApplicationId" INTEGER NOT NULL,
+                "AttachmentContextSignature" TEXT NOT NULL,
+                "Summary" TEXT NOT NULL,
+                "TalkingPointsJson" TEXT NOT NULL,
+                "LikelyQuestionsJson" TEXT NOT NULL,
+                "WeakSpotsJson" TEXT NOT NULL,
+                "GeneratedAtUtc" TEXT NOT NULL,
+                CONSTRAINT "FK_InterviewPrepNotes_JobApplications_JobApplicationId"
+                    FOREIGN KEY ("JobApplicationId") REFERENCES "JobApplications" ("Id") ON DELETE CASCADE
+            );
+            CREATE UNIQUE INDEX IF NOT EXISTS "IX_InterviewPrepNotes_OwnerUserId_JobApplicationId"
+                ON "InterviewPrepNotes" ("OwnerUserId", "JobApplicationId");
+
+            CREATE TABLE IF NOT EXISTS "AiWorkspaceNotes" (
+                "Id" INTEGER NOT NULL CONSTRAINT "PK_AiWorkspaceNotes" PRIMARY KEY AUTOINCREMENT,
+                "OwnerUserId" TEXT NOT NULL,
+                "JobApplicationId" INTEGER NOT NULL,
+                "NoteType" TEXT NOT NULL,
+                "AttachmentContextSignature" TEXT NOT NULL,
+                "ResultJson" TEXT NOT NULL,
+                "GeneratedAtUtc" TEXT NOT NULL,
+                CONSTRAINT "FK_AiWorkspaceNotes_JobApplications_JobApplicationId"
+                    FOREIGN KEY ("JobApplicationId") REFERENCES "JobApplications" ("Id") ON DELETE CASCADE
+            );
+            CREATE UNIQUE INDEX IF NOT EXISTS "IX_AiWorkspaceNotes_OwnerUserId_JobApplicationId_NoteType"
+                ON "AiWorkspaceNotes" ("OwnerUserId", "JobApplicationId", "NoteType");
+            """);
+    }
+
+    protected override void Down(MigrationBuilder migrationBuilder)
+    {
+        // Preserve generated and user-reviewed job-workspace notes from older installations.
+    }
+}