fix(projects): 短剧项目 - 修复同名创建重试 (#691)

Co-authored-by: tanzui <305375675@.com>

web/src/lib/project-name-conflict.ts

@@ -0,0 +1,11 @@
+import { ApiError } from "@/services/api/request";
+
+const maximumProjectNameRetries = 5;
+
+/** 只重试后端明确识别的项目重名，不依赖可能被统一错误处理改写的数据库文案。 */
+export function shouldRetryProjectNameConflict(error: unknown, attempt: number) {
+    return error instanceof ApiError &&
+        error.status === 409 &&
+        error.reason === "project_name_conflict" &&
+        attempt < maximumProjectNameRetries;
+}

web/src/pages/projects/index.tsx

@@ -15,6 +15,7 @@ import { resourceFileUrl } from "@/services/api/resources";
 import { ModelPicker } from "@/components/model-picker";
 import { createStyleProfileSnapshot, parseStyleProfile, serializeStyleProfile } from "@/lib/canvas/style-profile";
 import { projectSummaryCompletion, projectSummaryStage } from "@/lib/project-workbench";
+import { shouldRetryProjectNameConflict } from "@/lib/project-name-conflict";
 import { settingsPath } from "@/lib/settings-navigation";
 import { PromptTemplateOperation, parseGeneratedStory, promptTemplateTaskPlaceholder, shortDramaOutlineVariables } from "@/lib/prompts";
 import { runBackendGenerationTask } from "@/services/api/generation-task";
@@ -339,9 +340,7 @@ async function createUniqueProjectName(story: string, selectedStyle: CanvasStyle
         try {
             return await createProject(buildInput(attempt === 0 ? base : `${base}（${attempt + 1}）`));
         } catch (error) {
-            const message = error instanceof Error ? error.message : "";
-            const uniqueConflict = message.includes("UNIQUE") || message.includes("projects.user_id") || message.includes("projects.name");
-            if (!uniqueConflict || attempt >= 5) throw error;
+            if (!shouldRetryProjectNameConflict(error, attempt)) throw error;
             attempt += 1;
         }
     }

web/test/project-name-conflict.test.ts

@@ -0,0 +1,41 @@
+import { describe, expect, test } from "bun:test";
+
+import { ApiError } from "../src/services/api/request";
+import { shouldRetryProjectNameConflict } from "../src/lib/project-name-conflict";
+
+describe("project name conflict retries", () => {
+    test("retries only the structured project-name conflict", () => {
+        const projectNameConflict = new ApiError("文案可能变化", {
+            status: 409,
+            reason: "project_name_conflict",
+        });
+
+        expect(shouldRetryProjectNameConflict(projectNameConflict, 0)).toBe(true);
+        expect(shouldRetryProjectNameConflict(new ApiError("项目名称已存在", {
+            status: 409,
+            reason: "conflict",
+        }), 0)).toBe(false);
+        expect(shouldRetryProjectNameConflict(new Error("项目名称已存在"), 0)).toBe(false);
+    });
+
+    test("stops after the configured number of name retries", () => {
+        const projectNameConflict = new ApiError("项目名称已存在", {
+            status: 409,
+            reason: "project_name_conflict",
+        });
+
+        expect(shouldRetryProjectNameConflict(projectNameConflict, 4)).toBe(true);
+        expect(shouldRetryProjectNameConflict(projectNameConflict, 5)).toBe(false);
+    });
+
+    test("错误文案、非 409 状态和缺少专用原因的错误不能触发重试", () => {
+        for (const error of [
+            new ApiError("项目名称已存在", { status: 500, reason: "project_name_conflict" }),
+            new ApiError("UNIQUE constraint failed: projects.user_id, projects.name", { status: 409 }),
+            new Error("UNIQUE constraint failed: projects.user_id, projects.name"),
+            { status: 409, reason: "project_name_conflict" },
+        ]) {
+            expect(shouldRetryProjectNameConflict(error, 0)).toBe(false);
+        }
+    });
+});