Refactor routers directory (#15800)

* refactor routers directory

* move func used for web and api to common

* make corsHandler a function to prohibit side efects

* rm unused func

Co-authored-by: 6543 <6543@obermui.de>

routers/web/explore/repo.go

@@ -0,0 +1,131 @@
+// Copyright 2021 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package explore
+
+import (
+	"net/http"
+	"strings"
+
+	"code.gitea.io/gitea/models"
+	"code.gitea.io/gitea/modules/base"
+	"code.gitea.io/gitea/modules/context"
+	"code.gitea.io/gitea/modules/setting"
+)
+
+const (
+	// tplExploreRepos explore repositories page template
+	tplExploreRepos base.TplName = "explore/repos"
+)
+
+// RepoSearchOptions when calling search repositories
+type RepoSearchOptions struct {
+	OwnerID    int64
+	Private    bool
+	Restricted bool
+	PageSize   int
+	TplName    base.TplName
+}
+
+// RenderRepoSearch render repositories search page
+func RenderRepoSearch(ctx *context.Context, opts *RepoSearchOptions) {
+	page := ctx.QueryInt("page")
+	if page <= 0 {
+		page = 1
+	}
+
+	var (
+		repos   []*models.Repository
+		count   int64
+		err     error
+		orderBy models.SearchOrderBy
+	)
+
+	ctx.Data["SortType"] = ctx.Query("sort")
+	switch ctx.Query("sort") {
+	case "newest":
+		orderBy = models.SearchOrderByNewest
+	case "oldest":
+		orderBy = models.SearchOrderByOldest
+	case "recentupdate":
+		orderBy = models.SearchOrderByRecentUpdated
+	case "leastupdate":
+		orderBy = models.SearchOrderByLeastUpdated
+	case "reversealphabetically":
+		orderBy = models.SearchOrderByAlphabeticallyReverse
+	case "alphabetically":
+		orderBy = models.SearchOrderByAlphabetically
+	case "reversesize":
+		orderBy = models.SearchOrderBySizeReverse
+	case "size":
+		orderBy = models.SearchOrderBySize
+	case "moststars":
+		orderBy = models.SearchOrderByStarsReverse
+	case "feweststars":
+		orderBy = models.SearchOrderByStars
+	case "mostforks":
+		orderBy = models.SearchOrderByForksReverse
+	case "fewestforks":
+		orderBy = models.SearchOrderByForks
+	default:
+		ctx.Data["SortType"] = "recentupdate"
+		orderBy = models.SearchOrderByRecentUpdated
+	}
+
+	keyword := strings.Trim(ctx.Query("q"), " ")
+	topicOnly := ctx.QueryBool("topic")
+	ctx.Data["TopicOnly"] = topicOnly
+
+	repos, count, err = models.SearchRepository(&models.SearchRepoOptions{
+		ListOptions: models.ListOptions{
+			Page:     page,
+			PageSize: opts.PageSize,
+		},
+		Actor:              ctx.User,
+		OrderBy:            orderBy,
+		Private:            opts.Private,
+		Keyword:            keyword,
+		OwnerID:            opts.OwnerID,
+		AllPublic:          true,
+		AllLimited:         true,
+		TopicOnly:          topicOnly,
+		IncludeDescription: setting.UI.SearchRepoDescription,
+	})
+	if err != nil {
+		ctx.ServerError("SearchRepository", err)
+		return
+	}
+	ctx.Data["Keyword"] = keyword
+	ctx.Data["Total"] = count
+	ctx.Data["Repos"] = repos
+	ctx.Data["IsRepoIndexerEnabled"] = setting.Indexer.RepoIndexerEnabled
+
+	pager := context.NewPagination(int(count), opts.PageSize, page, 5)
+	pager.SetDefaultParams(ctx)
+	pager.AddParam(ctx, "topic", "TopicOnly")
+	ctx.Data["Page"] = pager
+
+	ctx.HTML(http.StatusOK, opts.TplName)
+}
+
+// Repos render explore repositories page
+func Repos(ctx *context.Context) {
+	ctx.Data["UsersIsDisabled"] = setting.Service.Explore.DisableUsersPage
+	ctx.Data["Title"] = ctx.Tr("explore")
+	ctx.Data["PageIsExplore"] = true
+	ctx.Data["PageIsExploreRepositories"] = true
+	ctx.Data["IsRepoIndexerEnabled"] = setting.Indexer.RepoIndexerEnabled
+
+	var ownerID int64
+	if ctx.User != nil && !ctx.User.IsAdmin {
+		ownerID = ctx.User.ID
+	}
+
+	RenderRepoSearch(ctx, &RepoSearchOptions{
+		PageSize: setting.UI.ExplorePagingNum,
+		OwnerID:  ownerID,
+		Private:  ctx.User != nil,
+		TplName:  tplExploreRepos,
+	})
+}