Add project command API

src/server/controllers/project-command.controller.ts

@@ -0,0 +1,99 @@
+import type { Request, Response } from "express";
+import { ProjectHistoryOperationUnavailableError } from "../../domain/errors/project-history-operation-unavailable.error.js";
+import { ProjectRevisionConflictError } from "../../domain/errors/project-revision-conflict.error.js";
+import {
+  executeProjectCommandSchema,
+  executeProjectHistoryCommandSchema,
+} from "../../shared/validation/project-command.schemas.js";
+import { projectCommandService } from "../composition/project-command-stores.js";
+
+export function executeProjectCommand(req: Request, res: Response) {
+  const projectId = getProjectId(req, res);
+  if (!projectId) {
+    return;
+  }
+  const parsed = executeProjectCommandSchema.safeParse(req.body);
+  if (!parsed.success) {
+    return res.status(400).json({ error: parsed.error.flatten() });
+  }
+
+  try {
+    return res.json(
+      projectCommandService.executeUser({
+        projectId,
+        ...parsed.data,
+      })
+    );
+  } catch (error) {
+    return respondWithProjectCommandError(error, res);
+  }
+}
+
+export function undoProjectCommand(req: Request, res: Response) {
+  return executeHistoryCommand(req, res, "undo");
+}
+
+export function redoProjectCommand(req: Request, res: Response) {
+  return executeHistoryCommand(req, res, "redo");
+}
+
+function executeHistoryCommand(
+  req: Request,
+  res: Response,
+  direction: "undo" | "redo"
+) {
+  const projectId = getProjectId(req, res);
+  if (!projectId) {
+    return;
+  }
+  const parsed = executeProjectHistoryCommandSchema.safeParse(req.body);
+  if (!parsed.success) {
+    return res.status(400).json({ error: parsed.error.flatten() });
+  }
+
+  try {
+    const result = projectCommandService[direction]({
+      projectId,
+      ...parsed.data,
+    });
+    return res.json(result);
+  } catch (error) {
+    return respondWithProjectCommandError(error, res);
+  }
+}
+
+function getProjectId(req: Request, res: Response) {
+  const { projectId } = req.params;
+  if (typeof projectId !== "string" || !projectId.trim()) {
+    res.status(400).json({ error: "Invalid projectId" });
+    return null;
+  }
+  return projectId;
+}
+
+export function respondWithProjectCommandError(
+  error: unknown,
+  res: Response
+) {
+  if (error instanceof ProjectRevisionConflictError) {
+    return res.status(409).json({
+      error: error.message,
+      code: "PROJECT_REVISION_CONFLICT",
+      expectedRevision: error.expectedRevision,
+      currentRevision: error.actualRevision,
+    });
+  }
+  if (error instanceof ProjectHistoryOperationUnavailableError) {
+    return res.status(409).json({
+      error: error.message,
+      code: "PROJECT_HISTORY_OPERATION_UNAVAILABLE",
+      direction: error.direction,
+    });
+  }
+  return res.status(400).json({
+    error:
+      error instanceof Error
+        ? error.message
+        : "Project command could not be executed.",
+  });
+}

src/server/controllers/project-history.controller.ts

@@ -1,8 +1,5 @@
 import type { Request, Response } from "express";
-import { db } from "../../db/client.js";
-import { ProjectHistoryRepository } from "../../db/repositories/project-history.repository.js";
-
-const projectHistoryRepository = new ProjectHistoryRepository(db);
+import { projectHistoryStore } from "../composition/project-command-stores.js";
 
 export function getProjectHistory(req: Request, res: Response) {
   const { projectId } = req.params;
@@ -10,7 +7,7 @@ export function getProjectHistory(req: Request, res: Response) {
     return res.status(400).json({ error: "Invalid projectId" });
   }
 
-  const state = projectHistoryRepository.getState(projectId);
+  const state = projectHistoryStore.getState(projectId);
   if (!state) {
     return res.status(404).json({ error: "Project not found" });
   }