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

handlers/pages.go

@@ -0,0 +1,83 @@
+package handlers
+
+import (
+	"database/sql"
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+
+	"github.com/HoHD/PR-Helper/models"
+)
+
+type PageHandler struct {
+	db *sql.DB
+}
+
+func NewPageHandler(db *sql.DB) *PageHandler {
+	return &PageHandler{db: db}
+}
+
+func (h *PageHandler) Index(c *gin.Context) {
+	repos, _ := h.listRepos()
+	c.HTML(http.StatusOK, "pages/index.html", gin.H{
+		"Repos": repos,
+	})
+}
+
+func (h *PageHandler) Repo(c *gin.Context) {
+	c.HTML(http.StatusOK, "pages/repo.html", gin.H{
+		"ID": c.Param("id"),
+	})
+}
+
+func (h *PageHandler) Generate(c *gin.Context) {
+	c.HTML(http.StatusOK, "pages/generate.html", gin.H{
+		"ID": c.Param("id"),
+	})
+}
+
+func (h *PageHandler) Review(c *gin.Context) {
+	topN := "20"
+	h.db.QueryRow(`SELECT value FROM settings WHERE key = 'review.top_n'`).Scan(&topN)
+	c.HTML(http.StatusOK, "pages/review.html", gin.H{
+		"ID":    c.Param("id"),
+		"TopN":  topN,
+	})
+}
+
+func (h *PageHandler) Settings(c *gin.Context) {
+	settings := make(map[string]string)
+	for key := range models.DefaultSettings {
+		settings[key] = ""
+	}
+	rows, err := h.db.Query(`SELECT key, value FROM settings`)
+	if err == nil {
+		defer rows.Close()
+		for rows.Next() {
+			var k, v string
+			if rows.Scan(&k, &v) == nil {
+				settings[k] = v
+			}
+		}
+	}
+	c.HTML(http.StatusOK, "pages/settings.html", gin.H{
+		"Settings": settings,
+	})
+}
+
+func (h *PageHandler) listRepos() ([]models.Repository, error) {
+	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 {
+		return nil, err
+	}
+	defer rows.Close()
+	var repos []models.Repository
+	for rows.Next() {
+		var r models.Repository
+		if err := rows.Scan(&r.ID, &r.URL, &r.LocalPath, &r.SizeBytes, &r.ClonedAt, &r.LastUsed); err != nil {
+			continue
+		}
+		repos = append(repos, r)
+	}
+	return repos, nil
+}