feat: Phase 1 — 项目骨架搭建，集成 Gin、SQLite 和设置页面

handlers/repos.go

@@ -0,0 +1,121 @@
+package handlers
+
+import (
+	"database/sql"
+	"net/http"
+	"os"
+	"path/filepath"
+
+	"github.com/gin-gonic/gin"
+)
+
+type ReposHandler struct {
+	db     *sql.DB
+	reposDir string
+}
+
+func NewReposHandler(db *sql.DB, reposDir string) *ReposHandler {
+	return &ReposHandler{db: db, reposDir: reposDir}
+}
+
+func (h *ReposHandler) ListRepos(c *gin.Context) {
+	rows, err := h.db.Query(`SELECT id, url, local_path, size_bytes, cloned_at, last_used FROM repositories ORDER BY last_used DESC`)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+	defer rows.Close()
+	var repos []gin.H
+	for rows.Next() {
+		var id int64
+		var url, localPath string
+		var sizeBytes int64
+		var clonedAt, lastUsed string
+		if rows.Scan(&id, &url, &localPath, &sizeBytes, &clonedAt, &lastUsed) == nil {
+			repos = append(repos, gin.H{
+				"id": id, "url": url, "local_path": localPath,
+				"size_bytes": sizeBytes, "cloned_at": clonedAt, "last_used": lastUsed,
+			})
+		}
+	}
+	if repos == nil {
+		repos = []gin.H{}
+	}
+	c.JSON(http.StatusOK, repos)
+}
+
+func (h *ReposHandler) DeleteRepo(c *gin.Context) {
+	id := c.Param("id")
+	var localPath string
+	err := h.db.QueryRow(`SELECT local_path FROM repositories WHERE id = ?`, id).Scan(&localPath)
+	if err == sql.ErrNoRows {
+		c.JSON(http.StatusNotFound, gin.H{"error": "repository not found"})
+		return
+	}
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+	// Remove from filesystem
+	os.RemoveAll(localPath)
+	// Remove from database
+	h.db.Exec(`DELETE FROM analyses WHERE repo_id = ?`, id)
+	h.db.Exec(`DELETE FROM repositories WHERE id = ?`, id)
+	c.JSON(http.StatusOK, gin.H{"ok": true})
+}
+
+func (h *ReposHandler) CleanupRepos(c *gin.Context) {
+	// Get max age from settings
+	var maxAgeDays string
+	h.db.QueryRow(`SELECT value FROM settings WHERE key = 'cache.max_age_days'`).Scan(&maxAgeDays)
+	if maxAgeDays == "" {
+		maxAgeDays = "7"
+	}
+	// Find expired repos
+	rows, err := h.db.Query(`SELECT id, local_path FROM repositories WHERE last_used < datetime('now', '-' || ? || ' days')`, maxAgeDays)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+	defer rows.Close()
+	var cleaned []int64
+	for rows.Next() {
+		var id int64
+		var localPath string
+		if rows.Scan(&id, &localPath) == nil {
+			os.RemoveAll(localPath)
+			h.db.Exec(`DELETE FROM analyses WHERE repo_id = ?`, id)
+			h.db.Exec(`DELETE FROM repositories WHERE id = ?`, id)
+			cleaned = append(cleaned, id)
+		}
+	}
+	c.JSON(http.StatusOK, gin.H{"cleaned": cleaned})
+}
+
+// CloneRepo handles POST /api/repos — stub for Phase 2
+func (h *ReposHandler) CloneRepo(c *gin.Context) {
+	c.JSON(http.StatusNotImplemented, gin.H{"error": "clone not implemented yet — coming in Phase 2"})
+}
+
+// GetGraph handles GET /api/repos/:id/graph — stub for Phase 2
+func (h *ReposHandler) GetGraph(c *gin.Context) {
+	c.JSON(http.StatusNotImplemented, gin.H{"error": "graph not implemented yet — coming in Phase 2"})
+}
+
+// GetDiff handles GET /api/repos/:id/diff — stub for Phase 2
+func (h *ReposHandler) GetDiff(c *gin.Context) {
+	c.JSON(http.StatusNotImplemented, gin.H{"error": "diff not implemented yet — coming in Phase 2"})
+}
+
+// dirSize returns the total size of a directory in bytes
+func dirSize(path string) int64 {
+	var size int64
+	filepath.Walk(path, func(_ string, info os.FileInfo, err error) error {
+		if err != nil || info.IsDir() {
+			return nil
+		}
+		size += info.Size()
+		return nil
+	})
+	return size
+}