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* Demo存储控制器 - 协调存储层和UI层
*/
import type { AnalysisData } from '../api/GLTR_API';
import type { IDemoStorage, SaveOptions, SaveResult } from '../storage/demoStorage';
import { showConfirmDialog, showAlertDialog } from '../ui/dialog';
import { tr, trf } from '../lang/i18n-lite';
export interface StorageCallbacks {
onStart?: () => void;
onSuccess?: (name?: string, result?: SaveResult) => void;
onError?: (error: Error) => void;
setLoading?: (loading: boolean) => void;
showToast?: (message: string, type: 'success' | 'error') => void;
/**
* 是否显示成功提示（使用 toast）
* 默认为 true，设置为 false 时成功提示由调用者自行处理
* 注意：错误提示统一使用 alert，不受此参数影响
*/
showSuccessToast?: boolean;
}
/**
* Demo存储控制器
*/
export class DemoStorageController {
constructor(
private storage: IDemoStorage,
private callbacks: StorageCallbacks = {}
) {}
/**
* 保存demo
*/
async save(data: AnalysisData, options: SaveOptions): Promise<SaveResult | null> {
const { onStart, onSuccess, onError, setLoading, showToast, showSuccessToast = true } = this.callbacks;
onStart?.();
setLoading?.(true);
try {
const result = await this._doSave(data, options, false);
setLoading?.(false);
if (result) {
onSuccess?.(options.name, result);
// 成功提示：根据 showSuccessToast 决定是否显示
if (showSuccessToast) {
const hint = this.storage.type === 'local' ? tr('Downloaded to local') : tr('Upload successful');
showToast?.(`Demo "${options.name}" ${hint}！`, 'success');
}
}
return result;
} catch (error) {
setLoading?.(false);
const err = error instanceof Error ? error : new Error(String(error));
onError?.(err);
// 错误提示：统一使用 alert
showAlertDialog(tr('Error'), trf('Save failed: {message}', { message: err.message }));
return null;
}
}
/**
* 内部保存逻辑，处理覆盖
*/
private async _doSave(
data: AnalysisData,
options: SaveOptions,
overwrite: boolean
): Promise<SaveResult | null> {
const result = await this.storage.save(data, { ...options, overwrite });
// 文件已存在 - 仅服务器需要确认覆盖
if (!result.success && result.exists && this.storage.type === 'server') {
return new Promise((resolve) => {
this.callbacks.setLoading?.(false);
showConfirmDialog(
tr('File already exists'),
trf('File "{name}.json" already exists, overwrite?', { name: options.name }),
async () => {
this.callbacks.setLoading?.(true);
const saved = await this._doSave(data, options, true);
resolve(saved);
},
() => {
this.callbacks.onError?.(new Error(tr('User cancelled save')));
resolve(null);
},
tr('Overwrite'),
tr('Cancel')
);
});
}
if (!result.success) {
throw new Error(result.message || 'Save failed');
}
return result;
}
/**
* 加载demo
*/
async load(path?: string): Promise<AnalysisData | null> {
const { onStart, onSuccess, onError, setLoading } = this.callbacks;
onStart?.();
setLoading?.(true);
try {
const result = await this.storage.load(path);
setLoading?.(false);
if (result.success && result.data) {
onSuccess?.();
return result.data;
} else {
// 显示错误（这里不涉及用户取消操作）
if (result.message) {
const err = new Error(result.message || 'Load failed');
onError?.(err);
showAlertDialog(tr('Error'), tr(err.message));
}
return null;
}
} catch (error) {
setLoading?.(false);
const err = error instanceof Error ? error : new Error(String(error));
onError?.(err);
showAlertDialog(tr('Error'), trf('Load failed: {message}', { message: err.message }));
return null;
}
}
}
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