package web import ( "owl-blogs/app" "owl-blogs/domain/model" "owl-blogs/render" "sort" "strconv" "github.com/gofiber/fiber/v2" ) type ListHandler struct { siteConfigService *app.SiteConfigService entrySvc *app.EntryService } func NewListHandler( entryService *app.EntryService, siteConfigService *app.SiteConfigService, ) *ListHandler { return &ListHandler{ entrySvc: entryService, siteConfigService: siteConfigService, } } type listRenderData struct { List model.EntryList Entries []model.Entry Page int NextPage int PrevPage int FirstPage bool LastPage bool } func (h *ListHandler) Handle(c *fiber.Ctx) error { c.Set(fiber.HeaderContentType, fiber.MIMETextHTML) siteConfig, err := h.siteConfigService.GetSiteConfig() if err != nil { return err } listId := c.Params("list") list := model.EntryList{} for _, l := range siteConfig.Lists { if l.Id == listId { list = l } } if list.Id == "" { return c.SendStatus(404) } entries, err := h.entrySvc.FindAllByType(&list.Include, true, false) if err != nil { return err } // sort entries by date descending sort.Slice(entries, func(i, j int) bool { return entries[i].PublishedAt().After(*entries[j].PublishedAt()) }) // pagination page := c.Query("page") if page == "" { page = "1" } pageNum, err := strconv.Atoi(page) if err != nil { pageNum = 1 } limit := 10 offset := (pageNum - 1) * limit lastPage := false if offset > len(entries) { offset = len(entries) lastPage = true } if offset+limit > len(entries) { limit = len(entries) - offset lastPage = true } entries = entries[offset : offset+limit] if err != nil { return err } return render.RenderTemplateWithBase(c, "views/list", listRenderData{ List: list, Entries: entries, Page: pageNum, NextPage: pageNum + 1, PrevPage: pageNum - 1, FirstPage: pageNum == 1, LastPage: lastPage, }) }