Add Random resource retrieval and navigation.

server/api/resource.go

@@ -251,12 +251,28 @@ func handleUpdateResource(c fiber.Ctx) error {
 	})
 }
 
+func handleGetRandomResource(c fiber.Ctx) error {
+	resource, err := service.RandomResource()
+	if err != nil {
+		return err
+	}
+	if resource == nil {
+		return model.NewNotFoundError("No resources found")
+	}
+	return c.Status(fiber.StatusOK).JSON(model.Response[model.ResourceDetailView]{
+		Success: true,
+		Data:    *resource,
+		Message: "Random resource retrieved successfully",
+	})
+}
+
 func AddResourceRoutes(api fiber.Router) {
 	resource := api.Group("/resource")
 	{
 		resource.Post("/", handleCreateResource)
 		resource.Get("/search", handleSearchResources)
 		resource.Get("/", handleListResources)
+		resource.Get("/random", handleGetRandomResource)
 		resource.Get("/:id", handleGetResource)
 		resource.Delete("/:id", handleDeleteResource)
 		resource.Get("/tag/:tag", handleListResourcesWithTag)

server/dao/resource.go

@@ -3,6 +3,7 @@ package dao
 import (
 	"errors"
 	"github.com/gofiber/fiber/v3/log"
+	"math/rand"
 	"nysoure/server/model"
 	"strings"
 	"sync"
@@ -510,3 +511,27 @@ func AddResourceDownloadCount(id uint) error {
 	stats.downloads.Add(1)
 	return nil
 }
+
+func RandomResource() (model.Resource, error) {
+	var maxID int64
+	if err := db.Model(&model.Resource{}).Select("MAX(id)").Scan(&maxID).Error; err != nil {
+		return model.Resource{}, err
+	}
+	for {
+		randomID := uint(1 + rand.Int63n(maxID-1))
+		var resource model.Resource
+		if err := db.
+			Preload("User").
+			Preload("Images").
+			Preload("Tags").
+			Preload("Files").
+			Where("id = ?", randomID).
+			First(&resource).Error; err != nil {
+			if errors.Is(err, gorm.ErrRecordNotFound) {
+				continue // Try again if the resource does not exist
+			}
+			return model.Resource{}, err // Return error if any other issue occurs
+		}
+		return resource, nil // Return the found resource
+	}
+}

server/service/resource.go

@@ -255,3 +255,12 @@ func EditResource(uid, rid uint, params *ResourceCreateParams) error {
 	}
 	return nil
 }
+
+func RandomResource() (*model.ResourceDetailView, error) {
+	r, err := dao.RandomResource()
+	if err != nil {
+		return nil, err
+	}
+	v := r.ToDetailView()
+	return &v, nil
+}