chore: 自定义低代码请求服务初始化

apps/designer/src/server/index.ts

@@ -0,0 +1,135 @@
+import {
+  type ProjectSchema,
+  type BlockSchema,
+  type HistorySchema,
+  type HistoryItem,
+  type MaterialDescription,
+  ProjectModel,
+  HistoryModel
+} from '@vtj/core';
+
+import { mapToObject } from '@vtj/utils';
+import { BaseService } from '@vtj/renderer';
+
+export class MemoryService extends BaseService {
+  private projects: Record<string, ProjectSchema> = {};
+  private materials: Record<string, Record<string, MaterialDescription>> = {};
+  private files: Record<string, BlockSchema> = {};
+  private histories: Record<string, HistorySchema> = {};
+  private historyItems: Record<string, HistoryItem> = {};
+
+  public init(project: ProjectSchema): Promise<ProjectSchema> {
+    console.log('MemoryService.init', { project });
+    const model = new ProjectModel(project);
+    const match = this.projects[model.id] || {};
+    const dsl = Object.assign(model.toDsl(), match);
+    this.projects[dsl.id as string] = dsl;
+    console.log('MemoryService.init result', { dsl });
+    return Promise.resolve(dsl);
+  }
+
+  public saveProject(project: ProjectSchema): Promise<boolean> {
+    console.log('MemoryService.saveProject', { project });
+    const model = new ProjectModel(project);
+    this.projects[model.id] = model.toDsl();
+    console.log('MemoryService.saveProject result', { success: true });
+    return Promise.resolve(true);
+  }
+
+  public saveMaterials(
+    project: ProjectSchema,
+    materials: Map<string, MaterialDescription>
+  ): Promise<boolean> {
+    console.log('MemoryService.saveMaterials', { project, materials });
+    if (project.id) {
+      this.materials[project.id] = mapToObject(materials);
+    }
+    console.log('MemoryService.saveMaterials result', { success: true });
+    return Promise.resolve(true);
+  }
+
+  public saveFile(file: BlockSchema): Promise<boolean> {
+    console.log('MemoryService.saveFile', { file });
+    this.files[file.id as string] = file;
+    console.log('MemoryService.saveFile result', { success: true });
+    return Promise.resolve(true);
+  }
+
+  public getFile(id: string): Promise<BlockSchema> {
+    console.log('MemoryService.getFile', { id });
+    const file = this.files[id];
+    console.log('MemoryService.getFile result', { file });
+    return file ? Promise.resolve(file) : Promise.reject(null);
+  }
+
+  public removeFile(id: string): Promise<boolean> {
+    console.log('MemoryService.removeFile', { id });
+    delete this.files[id];
+    console.log('MemoryService.removeFile result', { success: true });
+    return Promise.resolve(true);
+  }
+
+  public saveHistory(history: HistorySchema): Promise<boolean> {
+    console.log('MemoryService.saveHistory', { history });
+    this.histories[history.id] = history;
+    console.log('MemoryService.saveHistory result', { success: true });
+    return Promise.resolve(true);
+  }
+
+  public removeHistory(id: string): Promise<boolean> {
+    console.log('MemoryService.removeHistory', { id });
+    const history = this.histories[id] as HistorySchema;
+    if (history) {
+      const items = history.items || [];
+      const ids = items.map((item) => item.id);
+      this.removeHistoryItem(id, ids);
+      delete this.historyItems[id];
+    }
+    console.log('MemoryService.removeHistory result', { success: true });
+    return Promise.resolve(true);
+  }
+
+  public getHistory(id: string): Promise<HistorySchema> {
+    console.log('MemoryService.getHistory', { id });
+    const dsl = this.histories[id];
+    const history = new HistoryModel(dsl || { id });
+    console.log('MemoryService.getHistory result', { history });
+    return Promise.resolve(history);
+  }
+
+  public getHistoryItem(fId: string, id: string): Promise<HistoryItem> {
+    console.log('MemoryService.getHistoryItem', { fId, id });
+    const key = `${fId}_${id}`;
+    const item = this.historyItems[key] || {};
+    console.log('MemoryService.getHistoryItem result', { item });
+    return Promise.resolve(item);
+  }
+
+  public saveHistoryItem(fId: string, item: HistoryItem): Promise<boolean> {
+    console.log('MemoryService.saveHistoryItem', { fId, item });
+    const key = `${fId}_${item.id}`;
+    this.historyItems[key] = item;
+    console.log('MemoryService.saveHistoryItem result', { success: true });
+    return Promise.resolve(true);
+  }
+
+  public removeHistoryItem(fId: string, ids: string[]): Promise<boolean> {
+    console.log('MemoryService.removeHistoryItem', { fId, ids });
+    ids.forEach((id) => {
+      const key = `${fId}_${id}`;
+      delete this.historyItems[key];
+    });
+    console.log('MemoryService.removeHistoryItem result', { success: true });
+    return Promise.resolve(true);
+  }
+}
+
+let serviceInstance: MemoryService | null = null;
+
+export function createMemoryService() {
+  if (serviceInstance) return serviceInstance;
+  {
+    serviceInstance = new MemoryService();
+    return serviceInstance;
+  }
+}