feat: add total pages

pkg/app/post_routes.go

@@ -32,12 +32,16 @@ func postGet(c *gin.Context) {
 	pageParam := c.Query("page")
 	page, _ := strconv.Atoi(pageParam)
 
+	if page < 1 {
+		page = 1
+	}
 	tag := c.Query("tags")
 
 	tags := strings.Split(tag, " ")
 
 	var posts []database.Post
 	var postPages int
+	var perPage = 20
 
 	if tag != "" {
 		posts = services.GetPostTags(page, tags)
@@ -47,6 +51,11 @@ func postGet(c *gin.Context) {
 		postPages = services.CountPostPages()
 	}
 
+	var totalPage = postPages / perPage
+	if postPages%perPage > 0 {
+		totalPage++
+	}
+
 	var postResult []models.PostListItem
 	for _, post := range posts {
 		var tagStrings []string
@@ -63,6 +72,7 @@ func postGet(c *gin.Context) {
 	}
 	c.JSON(http.StatusOK, models.PostPaginationResponse{
 		CurrentPage: page,
+		TotalPage:   totalPage,
 		PostCount:   postPages,
 		Posts:       postResult,
 	})

pkg/models/responses.go

@@ -28,6 +28,7 @@ type BlobSimilarResponse struct {
 }
 type PostPaginationResponse struct {
 	CurrentPage int            `json:"currentPage"`
+	TotalPage   int            `json:"totalPage"`
 	PostCount   int            `json:"postCount"`
 	Posts       []PostListItem `json:"posts"`
 }