Added github branch fetching

app/handlers/update.go

@@ -0,0 +1,84 @@
+package handlers
+
+import (
+	"path/filepath"
+	"quay/app/github"
+	"quay/app/models"
+	"quay/internal/config"
+	"strings"
+
+	"crypto/subtle"
+
+	"github.com/gofiber/fiber/v3"
+)
+
+func NewUpdateSiteHandler(cfg *config.Config) fiber.Handler {
+	return func(c fiber.Ctx) error {
+		sitename := c.Query("site")
+		if sitename == "" {
+			return c.Status(400).JSON(models.APIError{
+				Error: "Missing 'site' query parameter",
+			})
+		}
+
+		var siteConfig *config.SiteConfig
+		for _, site := range cfg.Sites {
+			if site.Name == sitename {
+				siteConfig = &site
+				break
+			}
+		}
+
+		if siteConfig == nil {
+			return c.Status(404).JSON(models.APIError{
+				Error: "Site not found",
+			})
+		}
+
+		deployToken := siteConfig.DeployToken
+		if deployToken == "" {
+			return c.Status(500).JSON(models.APIError{
+				Error: "Deploy token not configured for this site",
+			})
+		}
+
+		providedToken := c.Get("Authorization")
+		if strings.HasPrefix(providedToken, "Bearer ") {
+			providedToken = strings.TrimPrefix(providedToken, "Bearer ")
+		}
+		if providedToken == "" {
+			return c.Status(401).JSON(models.APIError{
+				Error: "Missing Authorization header",
+			})
+		}
+
+		if subtle.ConstantTimeCompare([]byte(providedToken), []byte(deployToken)) != 1 {
+			return c.Status(403).JSON(models.APIError{
+				Error: "Invalid deploy token",
+			})
+		}
+
+		sitePath := filepath.Join(cfg.Global.StoragePath, siteConfig.Name)
+		if _, err := filepath.Abs(sitePath); err != nil {
+			return c.Status(500).JSON(models.APIError{
+				Error: "Failed to resolve site path",
+			})
+		}
+
+		err := github.FetchAndDeployBranch(
+			siteConfig.Owner,
+			siteConfig.Repo,
+			siteConfig.Branch,
+			cfg.Global.GithubPat,
+			sitePath,
+		)
+
+		if err != nil {
+			return c.Status(500).JSON(models.APIError{
+				Error: "Failed to deploy site: " + err.Error(),
+			})
+		}
+
+		return c.SendStatus(201)
+	}
+}