Add circuit group reordering

tests/circuit-group-structure-project-command.repository.test.ts

@@ -17,6 +17,7 @@ import { projects } from "../src/db/schema/projects.js";
 import {
   createCircuitGroupDeleteProjectCommand,
   createCircuitGroupInsertProjectCommand,
+  createCircuitGroupReorderProjectCommand,
   createCircuitGroupUpdateProjectCommand,
   type CircuitGroupSnapshot,
 } from "../src/domain/models/circuit-group-structure-project-command.model.js";
@@ -293,4 +294,137 @@ describe("circuit-group structure project command", () => {
       context.close();
     }
   });
+
+  it("reorders every group atomically without changing group identity", () => {
+    const context = createTestDatabase();
+    try {
+      const circuitListId = getProjectList(context, "project-1").id;
+      const groups = context.db
+        .select()
+        .from(circuitSections)
+        .where(eq(circuitSections.circuitListId, circuitListId))
+        .all();
+      const expectedPrefixes = new Map(
+        groups.map((group) => [group.id, group.prefix])
+      );
+      const assignments = groups.map((group, index) => ({
+        groupId: group.id,
+        expectedSortOrder: group.sortOrder,
+        targetSortOrder: (groups.length - index) * 10,
+      }));
+      const repository =
+        new CircuitGroupStructureProjectCommandRepository(context.db);
+      const reordered = repository.execute({
+        projectId: "project-1",
+        expectedRevision: 0,
+        source: "user",
+        command: createCircuitGroupReorderProjectCommand(
+          circuitListId,
+          assignments
+        ),
+      });
+      for (const assignment of assignments) {
+        const group = context.db
+          .select()
+          .from(circuitSections)
+          .where(eq(circuitSections.id, assignment.groupId))
+          .get();
+        assert.equal(group?.sortOrder, assignment.targetSortOrder);
+        assert.equal(
+          group?.prefix,
+          expectedPrefixes.get(assignment.groupId)
+        );
+      }
+
+      repository.execute({
+        projectId: "project-1",
+        expectedRevision: 1,
+        source: "undo",
+        historyTargetChangeSetId: new ProjectHistoryRepository(
+          context.db
+        ).getNextCommand("project-1", "undo")?.changeSetId,
+        command: reordered.inverse,
+      });
+      for (const assignment of assignments) {
+        assert.equal(
+          context.db
+            .select()
+            .from(circuitSections)
+            .where(eq(circuitSections.id, assignment.groupId))
+            .get()?.sortOrder,
+          assignment.expectedSortOrder
+        );
+      }
+    } finally {
+      context.close();
+    }
+  });
+
+  it("rejects incomplete reorders and rolls back late failures", () => {
+    const context = createTestDatabase();
+    try {
+      const circuitListId = getProjectList(context, "project-1").id;
+      const groups = context.db
+        .select()
+        .from(circuitSections)
+        .where(eq(circuitSections.circuitListId, circuitListId))
+        .all();
+      const assignments = groups.map((group, index) => ({
+        groupId: group.id,
+        expectedSortOrder: group.sortOrder,
+        targetSortOrder: (groups.length - index) * 10,
+      }));
+      const repository =
+        new CircuitGroupStructureProjectCommandRepository(context.db);
+      assert.throws(
+        () =>
+          repository.execute({
+            projectId: "project-1",
+            expectedRevision: 0,
+            source: "user",
+            command: createCircuitGroupReorderProjectCommand(
+              circuitListId,
+              assignments.slice(1)
+            ),
+          }),
+        /include every unchanged group/
+      );
+      context.sqlite.exec(`
+        CREATE TRIGGER fail_group_reorder_history
+        BEFORE INSERT ON project_history_stack_entries
+        BEGIN
+          SELECT RAISE(ABORT, 'forced group reorder history failure');
+        END;
+      `);
+      assert.throws(
+        () =>
+          repository.execute({
+            projectId: "project-1",
+            expectedRevision: 0,
+            source: "user",
+            command: createCircuitGroupReorderProjectCommand(
+              circuitListId,
+              assignments
+            ),
+          }),
+        /forced group reorder history failure/
+      );
+      for (const assignment of assignments) {
+        assert.equal(
+          context.db
+            .select()
+            .from(circuitSections)
+            .where(eq(circuitSections.id, assignment.groupId))
+            .get()?.sortOrder,
+          assignment.expectedSortOrder
+        );
+      }
+      assert.equal(
+        context.db.select().from(projectRevisions).all().length,
+        0
+      );
+    } finally {
+      context.close();
+    }
+  });
 });

tests/project-command.service.test.ts

@@ -50,6 +50,7 @@ import { createCircuitSectionRenumberProjectCommand } from "../src/domain/models
 import { createCircuitInsertProjectCommand } from "../src/domain/models/circuit-structure-project-command.model.js";
 import {
   createCircuitGroupInsertProjectCommand,
+  createCircuitGroupReorderProjectCommand,
   createCircuitGroupUpdateProjectCommand,
 } from "../src/domain/models/circuit-group-structure-project-command.model.js";
 import {
@@ -1270,6 +1271,26 @@ describe("project command service", () => {
           .get()?.displayName,
         expected.displayName
       );
+
+      const groups = context.db
+        .select()
+        .from(circuitSections)
+        .where(eq(circuitSections.circuitListId, circuitListId))
+        .all();
+      const reorderAssignments = groups.map((group, index) => ({
+        groupId: group.id,
+        expectedSortOrder: group.sortOrder,
+        targetSortOrder: (groups.length - index) * 10,
+      }));
+      const reordered = createService(context).executeUser({
+        projectId: "project-1",
+        expectedRevision: 3,
+        command: createCircuitGroupReorderProjectCommand(
+          circuitListId,
+          reorderAssignments
+        ),
+      });
+      assert.equal(reordered.history.currentRevision, 4);
     } finally {
       context.close();
     }

tests/project-version-history.test.ts

@@ -157,6 +157,12 @@ describe("project version history presentation", () => {
       ),
       "Stromkreisgruppe bearbeitet"
     );
+    assert.equal(
+      getProjectRevisionDescription(
+        revision(11, { commandType: "circuit-group.reorder" })
+      ),
+      "Stromkreisgruppen sortiert"
+    );
     assert.equal(getProjectSnapshotKindLabel("named"), "Benannt");
     assert.equal(
       getProjectSnapshotKindLabel("automatic"),