init

backend/main.go

@@ -0,0 +1,187 @@
+package main
+
+import (
+	"database/sql"
+	"encoding/json"
+	"fmt"
+	"log"
+	"net/http"
+	"os"
+	"path/filepath"
+	
+	_ "github.com/mattn/go-sqlite3"
+	"gopkg.in/yaml.v2"
+)
+
+type Config struct {
+	Server struct {
+		Port string `yaml:"port"`
+	} `yaml:"server"`
+	Database struct {
+		Path string `yaml:"path"`
+	} `yaml:"database"`
+}
+
+type Site struct {
+	ID       int    `json:"id"`
+	Name     string `json:"name"`
+	URL      string `json:"url"`
+	Icon     string `json:"icon,omitempty"`
+	Category string `json:"category"`
+}
+
+var db *sql.DB
+
+func main() {
+	// 加载配置
+	config, err := loadConfig("config/config.yaml")
+	if err != nil {
+		log.Fatalf("Error loading config: %v", err)
+	}
+
+	// 初始化数据库
+	err = initDB(config.Database.Path)
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer db.Close()
+
+	// 设置路由
+	http.HandleFunc("/api/sites", sitesHandler)
+	http.HandleFunc("/api/add", addSiteHandler)
+	http.HandleFunc("/api/delete", deleteSiteHandler)
+	
+	// 静态文件服务
+	fs := http.FileServer(http.Dir("../frontend"))
+	http.Handle("/", fs)
+
+	// 启动服务器
+	log.Printf("Starting server on :%s", config.Server.Port)
+	log.Fatal(http.ListenAndServe(":"+config.Server.Port, nil))
+}
+
+func loadConfig(path string) (*Config, error) {
+	config := &Config{}
+	file, err := os.Open(path)
+	if err != nil {
+		return nil, err
+	}
+	defer file.Close()
+
+	d := yaml.NewDecoder(file)
+	if err := d.Decode(&config); err != nil {
+		return nil, err
+	}
+
+	return config, nil
+}
+
+func initDB(dbPath string) error {
+	var err error
+	// 确保数据库目录存在
+	os.MkdirAll(filepath.Dir(dbPath), 0755)
+	
+	db, err = sql.Open("sqlite3", dbPath)
+	if err != nil {
+		return err
+	}
+
+	// 创建表
+	_, err = db.Exec(`CREATE TABLE IF NOT EXISTS sites (
+		id INTEGER PRIMARY KEY AUTOINCREMENT,
+		name TEXT NOT NULL,
+		url TEXT NOT NULL,
+		icon TEXT,
+		category TEXT NOT NULL
+	)`)
+	return err
+}
+
+func sitesHandler(w http.ResponseWriter, r *http.Request) {
+	switch r.Method {
+	case "GET":
+		getSites(w, r)
+	default:
+		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
+	}
+}
+
+func getSites(w http.ResponseWriter, r *http.Request) {
+	rows, err := db.Query("SELECT id, name, url, icon, category FROM sites")
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	defer rows.Close()
+
+	var sites []Site
+	for rows.Next() {
+		var s Site
+		if err := rows.Scan(&s.ID, &s.Name, &s.URL, &s.Icon, &s.Category); err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+		sites = append(sites, s)
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	json.NewEncoder(w).Encode(sites)
+}
+
+func addSiteHandler(w http.ResponseWriter, r *http.Request) {
+	if r.Method != "POST" {
+		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
+		return
+	}
+
+	var s Site
+	if err := json.NewDecoder(r.Body).Decode(&s); err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	// 验证数据
+	if s.Name == "" || s.URL == "" || s.Category == "" {
+		http.Error(w, "Name, URL and Category are required", http.StatusBadRequest)
+		return
+	}
+
+	// 插入数据库
+	res, err := db.Exec("INSERT INTO sites (name, url, icon, category) VALUES (?, ?, ?, ?)",
+		s.Name, s.URL, s.Icon, s.Category)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	id, _ := res.LastInsertId()
+	s.ID = int(id)
+
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusCreated)
+	json.NewEncoder(w).Encode(s)
+}
+
+func deleteSiteHandler(w http.ResponseWriter, r *http.Request) {
+	if r.Method != "POST" {
+		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
+		return
+	}
+
+	var request struct {
+		ID int `json:"id"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&request); err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	_, err := db.Exec("DELETE FROM sites WHERE id = ?", request.ID)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.WriteHeader(http.StatusOK)
+	fmt.Fprint(w, `{"status": "success"}`)
+}