feat: 添加完整的模板管理系统
🎉 新功能: - 批量导入模板功能，支持文件夹结构解析 - 自动解析 draft_content.json 并提取轨道/素材信息 - 智能素材管理，自动复制到统一资源目录 - 路径转换为相对路径，确保模板可移植性 - 现代化的模板管理界面，支持网格/列表视图 - 搜索和筛选功能 - 模板详情预览和删除功能 🏗️ 技术实现: - Python: TemplateManager 核心服务类 - Rust/Tauri: 跨平台命令处理和进程管理 - React/TypeScript: 响应式前端界面 - JSON-RPC: 前后端通信协议 📁 文件结构: - 模板存储在 attachments/templates/{uuid}/ 目录 - 素材统一管理在 resources/ 子目录 - 元数据存储在 templates.json 文件 ✅ 已测试功能: - 批量导入多个模板 - 模板列表显示和搜索 - 模板详情查看 - 模板删除操作 - CLI 命令行接口 这个系统为视频编辑提供了强大的模板管理能力， 支持从外部导入模板并自动处理素材依赖关系。
This commit is contained in:
root
349
src-tauri/src/commands/template.rs
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349
src-tauri/src/commands/template.rs
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use serde::{Deserialize, Serialize};
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use std::process::Command;
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use std::io::{BufRead, BufReader, Read};
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use std::time::{Duration, Instant};
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use std::thread;
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use std::sync::{Arc, Mutex};
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use std::sync::mpsc;
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#[derive(Debug, Deserialize)]
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pub struct BatchImportRequest {
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pub source_folder: String,
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}
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#[derive(Debug, Serialize)]
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pub struct TemplateInfo {
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pub id: String,
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pub name: String,
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pub description: String,
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pub thumbnail_path: String,
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pub draft_content_path: String,
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pub resources_path: String,
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pub created_at: String,
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pub updated_at: String,
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pub canvas_config: serde_json::Value,
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pub duration: i64,
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pub material_count: i32,
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pub track_count: i32,
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pub tags: Vec<String>,
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}
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async fn execute_python_template_command(_app: tauri::AppHandle, args: &[String]) -> Result<String, String> {
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println!("Executing Python template command with args: {:?}", args);
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// Get project root directory
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let current_dir = std::env::current_dir()
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.map_err(|e| format!("Failed to get current directory: {}", e))?;
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let project_root = if current_dir.ends_with("src-tauri") {
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current_dir.parent().unwrap_or(¤t_dir).to_path_buf()
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} else {
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current_dir
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};
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println!("Working directory: {:?}", project_root);
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// Try multiple Python commands in order of preference
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let python_commands = if cfg!(target_os = "windows") {
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vec!["python", "python3", "py"]
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} else {
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vec!["python3", "python"]
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};
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let mut child = None;
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let mut last_error = String::new();
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for python_cmd in python_commands {
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println!("Trying Python command: {}", python_cmd);
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let mut cmd = Command::new(python_cmd);
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cmd.current_dir(&project_root);
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cmd.args(args);
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cmd.stdout(std::process::Stdio::piped());
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cmd.stderr(std::process::Stdio::piped());
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// Set environment variables for consistent encoding
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cmd.env("PYTHONIOENCODING", "utf-8");
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cmd.env("PYTHONUNBUFFERED", "1");
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// On Windows, ensure UTF-8 console output
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if cfg!(target_os = "windows") {
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cmd.env("PYTHONUTF8", "1");
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}
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match cmd.spawn() {
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Ok(process) => {
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println!("Successfully started Python process with: {}", python_cmd);
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child = Some(process);
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break;
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}
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Err(e) => {
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last_error = format!("Failed to start {} process: {}", python_cmd, e);
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println!("{}", last_error);
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continue;
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}
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}
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}
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let mut child = child.ok_or_else(|| {
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format!("Failed to start Python process with any command. Last error: {}", last_error)
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})?;
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let stdout = child.stdout.take().unwrap();
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let stderr = child.stderr.take().unwrap();
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// Use channels for concurrent reading
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let (stdout_tx, _stdout_rx) = mpsc::channel();
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let (stderr_tx, _stderr_rx) = mpsc::channel();
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let (result_tx, result_rx) = mpsc::channel();
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let progress_messages = Arc::new(Mutex::new(Vec::new()));
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let error_messages = Arc::new(Mutex::new(Vec::new()));
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let final_result = Arc::new(Mutex::new(None::<String>));
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// Spawn thread for reading stdout
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let progress_messages_clone = Arc::clone(&progress_messages);
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let final_result_clone = Arc::clone(&final_result);
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thread::spawn(move || {
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let mut reader = BufReader::new(stdout);
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let mut buffer = Vec::new();
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// Read raw bytes and handle encoding issues
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loop {
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buffer.clear();
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match reader.read_until(b'\n', &mut buffer) {
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Ok(0) => break, // EOF
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Ok(_) => {
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// Convert bytes to string, handling invalid UTF-8
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let line = String::from_utf8_lossy(&buffer);
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let line = line.trim_end_matches('\n').trim_end_matches('\r');
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if line.is_empty() {
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continue;
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}
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println!("Python stdout: {}", line);
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// Parse JSON-RPC messages
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if line.starts_with("JSONRPC:") {
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let json_str = &line[8..]; // Remove "JSONRPC:" prefix
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if let Ok(json_value) = serde_json::from_str::<serde_json::Value>(json_str) {
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if let Some(method) = json_value.get("method") {
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if method == "progress" {
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if let Ok(mut messages) = progress_messages_clone.lock() {
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messages.push(json_str.to_string());
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}
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println!("Progress: {}", json_str);
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}
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} else if json_value.get("result").is_some() || json_value.get("error").is_some() {
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// This is a final result or error response
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if let Ok(mut result) = final_result_clone.lock() {
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*result = Some(json_str.to_string());
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}
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println!("JSON-RPC result found: {}", json_str);
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}
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}
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} else if line.trim().starts_with('{') && line.trim().ends_with('}') {
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// Fallback: try to parse as direct JSON result
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if let Ok(json_value) = serde_json::from_str::<serde_json::Value>(line.trim()) {
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// Check if this looks like a final result (has status field)
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if json_value.get("status").is_some() {
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if let Ok(mut result) = final_result_clone.lock() {
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*result = Some(line.trim().to_string());
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}
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println!("Direct JSON result: {}", line.trim());
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}
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}
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} else {
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println!("Python other: {}", line);
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}
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if stdout_tx.send(line.to_string()).is_err() {
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break;
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}
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}
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Err(e) => {
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println!("Error reading stdout: {}", e);
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break;
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}
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}
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}
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});
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// Spawn thread for reading stderr
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let error_messages_clone = Arc::clone(&error_messages);
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thread::spawn(move || {
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let mut reader = BufReader::new(stderr);
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let mut buffer = Vec::new();
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// Read raw bytes and handle encoding issues
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loop {
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buffer.clear();
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match reader.read_until(b'\n', &mut buffer) {
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Ok(0) => break, // EOF
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Ok(_) => {
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// Convert bytes to string, handling invalid UTF-8
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let line = String::from_utf8_lossy(&buffer);
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let line = line.trim_end_matches('\n').trim_end_matches('\r');
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if line.is_empty() {
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continue;
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}
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println!("Python stderr: {}", line);
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if let Ok(mut messages) = error_messages_clone.lock() {
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messages.push(line.to_string());
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}
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if stderr_tx.send(line.to_string()).is_err() {
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break;
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}
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}
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Err(e) => {
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println!("Error reading stderr: {}", e);
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break;
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}
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}
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}
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});
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// Spawn thread to wait for process completion
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thread::spawn(move || {
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match child.wait() {
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Ok(status) => {
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let _ = result_tx.send(Ok(status));
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}
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Err(e) => {
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let _ = result_tx.send(Err(format!("Failed to wait for process: {}", e)));
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}
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}
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});
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// Wait for process to complete with timeout
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println!("Waiting for Python process to complete...");
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let timeout_duration = Duration::from_secs(600); // 10 minutes timeout
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let start_time = Instant::now();
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let exit_status = loop {
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match result_rx.try_recv() {
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Ok(Ok(status)) => break status,
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Ok(Err(e)) => return Err(e),
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Err(mpsc::TryRecvError::Empty) => {
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if start_time.elapsed() > timeout_duration {
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return Err("Python process timed out after 10 minutes".to_string());
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}
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thread::sleep(Duration::from_millis(100));
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continue;
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}
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Err(mpsc::TryRecvError::Disconnected) => {
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return Err("Process monitoring thread disconnected".to_string());
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}
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}
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};
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println!("Python process terminated with code: {:?}", exit_status.code());
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// Extract final results from shared state
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let final_result_value = {
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final_result.lock().unwrap().clone()
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};
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let progress_messages_value = {
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progress_messages.lock().unwrap().clone()
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};
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let error_messages_value = {
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error_messages.lock().unwrap().clone()
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};
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// Return the final result if we found one
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if let Some(result) = final_result_value {
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println!("Extracted JSON-RPC result: {}", result);
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return Ok(result);
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}
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// If no JSON-RPC result found, provide detailed error information
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if exit_status.success() {
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// Process succeeded but no output - this is unusual
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let error_msg = if progress_messages_value.is_empty() {
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"Python script completed successfully but produced no output"
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} else {
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"Python script completed but did not return a valid JSON result"
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};
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Err(error_msg.to_string())
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} else {
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// Process failed - provide detailed error based on exit code
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let error_msg = if let Some(code) = exit_status.code() {
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match code {
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1 => "Python script failed with general error. Check if all dependencies are installed.".to_string(),
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120 => "Python module import failed or function not supported. This may be due to missing dependencies or incompatible Python environment.".to_string(),
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_ => format!("Python script failed with exit code: {}. This may indicate a system or environment issue.", code)
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}
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} else {
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"Python process was killed by external signal.".to_string()
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};
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// Include any error output we captured
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let mut full_error = error_msg;
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if !progress_messages_value.is_empty() {
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full_error.push_str(&format!("\n\nLast stdout: {}", progress_messages_value.join("\n")));
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}
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if !error_messages_value.is_empty() {
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full_error.push_str(&format!("\n\nStderr: {}", error_messages_value.join("\n")));
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}
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Err(full_error)
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}
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}
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#[tauri::command]
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pub async fn batch_import_templates(app: tauri::AppHandle, request: BatchImportRequest) -> Result<String, String> {
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let args = vec![
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"-m".to_string(),
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"python_core.services.template_manager".to_string(),
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"--action".to_string(),
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"batch_import".to_string(),
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"--source_folder".to_string(),
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request.source_folder,
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];
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execute_python_template_command(app, &args).await
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}
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#[tauri::command]
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pub async fn get_templates(app: tauri::AppHandle) -> Result<String, String> {
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let args = vec![
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"-m".to_string(),
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"python_core.services.template_manager".to_string(),
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"--action".to_string(),
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"get_templates".to_string(),
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];
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execute_python_template_command(app, &args).await
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}
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#[tauri::command]
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pub async fn get_template(app: tauri::AppHandle, template_id: String) -> Result<String, String> {
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let args = vec![
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"-m".to_string(),
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"python_core.services.template_manager".to_string(),
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"--action".to_string(),
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"get_template".to_string(),
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"--template_id".to_string(),
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template_id,
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];
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execute_python_template_command(app, &args).await
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}
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#[tauri::command]
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pub async fn delete_template(app: tauri::AppHandle, template_id: String) -> Result<String, String> {
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let args = vec![
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"-m".to_string(),
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"python_core.services.template_manager".to_string(),
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"--action".to_string(),
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"delete_template".to_string(),
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"--template_id".to_string(),
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template_id,
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];
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execute_python_template_command(app, &args).await
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}
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