feat: initialize project skeleton with Go backend, database, and config

- Go module with standard library + gorilla/sessions + mysql driver - Config: env-based configuration with .env file support - Database: MySQL connection with auto-migration for 6 tables - Seed data: 12 system tags with options, 8 system snippets - Auth: session cookie middleware - Handlers: auth, tags, snippets, builder, claude, dashboard, suggestions, settings - LLM: OpenAI-compatible client with 30s timeout - Docker: Dockerfile + docker-compose.yml - .env.example with all configuration options Co-Authored-By: Claude <noreply@anthropic.com>
2026-06-26 14:58:15 +08:00
parent 83ae0bfe74
commit 01ecdc8c23
19 changed files with 1820 additions and 0 deletions
@@ -0,0 +1,115 @@
+package handlers
+
+import (
+	"encoding/json"
+	"net/http"
+	"strconv"
+
+	"prompt-generator/internal/db"
+	"prompt-generator/internal/models"
+)
+
+func GetSnippets(w http.ResponseWriter, r *http.Request) {
+	category := r.URL.Query().Get("category")
+
+	query := "SELECT id, name, content, category, scope, created_at FROM snippets"
+	var args []interface{}
+	if category != "" {
+		query += " WHERE category=?"
+		args = append(args, category)
+	}
+	query += " ORDER BY scope, category, id"
+
+	rows, err := db.DB.Query(query, args...)
+	if err != nil {
+		fail(w, 500, "查询片段失败")
+		return
+	}
+	defer rows.Close()
+
+	var snippets []models.Snippet
+	for rows.Next() {
+		var s models.Snippet
+		if err := rows.Scan(&s.ID, &s.Name, &s.Content, &s.Category, &s.Scope, &s.CreatedAt); err != nil {
+			continue
+		}
+		snippets = append(snippets, s)
+	}
+	if snippets == nil {
+		snippets = []models.Snippet{}
+	}
+	success(w, snippets)
+}
+
+func CreateSnippet(w http.ResponseWriter, r *http.Request) {
+	var req struct {
+		Name     string `json:"name"`
+		Content  string `json:"content"`
+		Category string `json:"category"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&req); err != nil || req.Name == "" {
+		fail(w, 400, "片段名称不能为空")
+		return
+	}
+
+	res, err := db.DB.Exec("INSERT INTO snippets (name, content, category, scope) VALUES (?, ?, ?, 'personal')",
+		req.Name, req.Content, req.Category)
+	if err != nil {
+		fail(w, 500, "创建片段失败")
+		return
+	}
+
+	id, _ := res.LastInsertId()
+	success(w, map[string]int64{"id": id})
+}
+
+func UpdateSnippet(w http.ResponseWriter, r *http.Request) {
+	id, err := strconv.ParseInt(r.PathValue("id"), 10, 64)
+	if err != nil {
+		fail(w, 400, "无效的 ID")
+		return
+	}
+
+	var scope string
+	db.DB.QueryRow("SELECT scope FROM snippets WHERE id=?", id).Scan(&scope)
+	if scope != "personal" {
+		fail(w, 403, "不能修改系统片段")
+		return
+	}
+
+	var req struct {
+		Name     string `json:"name"`
+		Content  string `json:"content"`
+		Category string `json:"category"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
+		fail(w, 400, "请求格式错误")
+		return
+	}
+
+	_, err = db.DB.Exec("UPDATE snippets SET name=?, content=?, category=? WHERE id=?",
+		req.Name, req.Content, req.Category, id)
+	if err != nil {
+		fail(w, 500, "更新片段失败")
+		return
+	}
+	success(w, nil)
+}
+
+func DeleteSnippet(w http.ResponseWriter, r *http.Request) {
+	id, err := strconv.ParseInt(r.PathValue("id"), 10, 64)
+	if err != nil {
+		fail(w, 400, "无效的 ID")
+		return
+	}
+
+	var scope string
+	db.DB.QueryRow("SELECT scope FROM snippets WHERE id=?", id).Scan(&scope)
+	if scope != "personal" {
+		fail(w, 403, "不能删除系统片段")
+		return
+	}
+
+	db.DB.Exec("DELETE FROM snippets WHERE id=?", id)
+	success(w, nil)
+}