Refactor server code (#407)

internal/web/handlers/util.go

@@ -0,0 +1,79 @@
+package handlers
+
+import (
+	"errors"
+	"github.com/thomiceli/opengist/internal/web/context"
+	"html/template"
+	"strconv"
+	"strings"
+)
+
+func GetPage(ctx *context.Context) int {
+	page := ctx.QueryParam("page")
+	if page == "" {
+		page = "1"
+	}
+	pageInt, err := strconv.Atoi(page)
+	if err != nil {
+		pageInt = 1
+	}
+	ctx.SetData("currPage", pageInt)
+
+	return pageInt
+}
+
+func Paginate[T any](ctx *context.Context, data []*T, pageInt int, perPage int, templateDataName string, urlPage string, labels int, urlParams ...string) error {
+	lenData := len(data)
+	if lenData == 0 && pageInt != 1 {
+		return errors.New("page not found")
+	}
+
+	if lenData > perPage {
+		if lenData > 1 {
+			data = data[:lenData-1]
+		}
+		ctx.SetData("nextPage", pageInt+1)
+	}
+	if pageInt > 1 {
+		ctx.SetData("prevPage", pageInt-1)
+	}
+
+	if len(urlParams) > 0 {
+		ctx.SetData("urlParams", template.URL(urlParams[0]))
+	}
+
+	switch labels {
+	case 1:
+		ctx.SetData("prevLabel", ctx.TrH("pagination.previous"))
+		ctx.SetData("nextLabel", ctx.TrH("pagination.next"))
+	case 2:
+		ctx.SetData("prevLabel", ctx.TrH("pagination.newer"))
+		ctx.SetData("nextLabel", ctx.TrH("pagination.older"))
+	}
+
+	ctx.SetData("urlPage", urlPage)
+	ctx.SetData(templateDataName, data)
+	return nil
+}
+
+func ParseSearchQueryStr(query string) (string, map[string]string) {
+	words := strings.Fields(query)
+	metadata := make(map[string]string)
+	var contentBuilder strings.Builder
+
+	for _, word := range words {
+		if strings.Contains(word, ":") {
+			keyValue := strings.SplitN(word, ":", 2)
+			if len(keyValue) == 2 {
+				key := keyValue[0]
+				value := keyValue[1]
+				metadata[key] = value
+			}
+		} else {
+			contentBuilder.WriteString(word + " ")
+		}
+	}
+
+	content := strings.TrimSpace(contentBuilder.String())
+	return content, metadata
+}