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>

4 files changed, 416 insertions, 0 deletions

diff --git a/routers/web/explore/code.go b/routers/web/explore/code.go
new file mode 100644
index 0000000000..bf15b93cff
--- /dev/null
+++ b/routers/web/explore/code.go
@@ -0,0 +1,139 @@
+// 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_indexer "code.gitea.io/gitea/modules/indexer/code"
+	"code.gitea.io/gitea/modules/setting"
+)
+
+const (
+	// tplExploreCode explore code page template
+	tplExploreCode base.TplName = "explore/code"
+)
+
+// Code render explore code page
+func Code(ctx *context.Context) {
+	if !setting.Indexer.RepoIndexerEnabled {
+		ctx.Redirect(setting.AppSubURL+"/explore", 302)
+		return
+	}
+
+	ctx.Data["UsersIsDisabled"] = setting.Service.Explore.DisableUsersPage
+	ctx.Data["IsRepoIndexerEnabled"] = setting.Indexer.RepoIndexerEnabled
+	ctx.Data["Title"] = ctx.Tr("explore")
+	ctx.Data["PageIsExplore"] = true
+	ctx.Data["PageIsExploreCode"] = true
+
+	language := strings.TrimSpace(ctx.Query("l"))
+	keyword := strings.TrimSpace(ctx.Query("q"))
+	page := ctx.QueryInt("page")
+	if page <= 0 {
+		page = 1
+	}
+
+	queryType := strings.TrimSpace(ctx.Query("t"))
+	isMatch := queryType == "match"
+
+	var (
+		repoIDs []int64
+		err     error
+		isAdmin bool
+	)
+	if ctx.User != nil {
+		isAdmin = ctx.User.IsAdmin
+	}
+
+	// guest user or non-admin user
+	if ctx.User == nil || !isAdmin {
+		repoIDs, err = models.FindUserAccessibleRepoIDs(ctx.User)
+		if err != nil {
+			ctx.ServerError("SearchResults", err)
+			return
+		}
+	}
+
+	var (
+		total                 int
+		searchResults         []*code_indexer.Result
+		searchResultLanguages []*code_indexer.SearchResultLanguages
+	)
+
+	// if non-admin login user, we need check UnitTypeCode at first
+	if ctx.User != nil && len(repoIDs) > 0 {
+		repoMaps, err := models.GetRepositoriesMapByIDs(repoIDs)
+		if err != nil {
+			ctx.ServerError("SearchResults", err)
+			return
+		}
+
+		var rightRepoMap = make(map[int64]*models.Repository, len(repoMaps))
+		repoIDs = make([]int64, 0, len(repoMaps))
+		for id, repo := range repoMaps {
+			if repo.CheckUnitUser(ctx.User, models.UnitTypeCode) {
+				rightRepoMap[id] = repo
+				repoIDs = append(repoIDs, id)
+			}
+		}
+
+		ctx.Data["RepoMaps"] = rightRepoMap
+
+		total, searchResults, searchResultLanguages, err = code_indexer.PerformSearch(repoIDs, language, keyword, page, setting.UI.RepoSearchPagingNum, isMatch)
+		if err != nil {
+			ctx.ServerError("SearchResults", err)
+			return
+		}
+		// if non-login user or isAdmin, no need to check UnitTypeCode
+	} else if (ctx.User == nil && len(repoIDs) > 0) || isAdmin {
+		total, searchResults, searchResultLanguages, err = code_indexer.PerformSearch(repoIDs, language, keyword, page, setting.UI.RepoSearchPagingNum, isMatch)
+		if err != nil {
+			ctx.ServerError("SearchResults", err)
+			return
+		}
+
+		var loadRepoIDs = make([]int64, 0, len(searchResults))
+		for _, result := range searchResults {
+			var find bool
+			for _, id := range loadRepoIDs {
+				if id == result.RepoID {
+					find = true
+					break
+				}
+			}
+			if !find {
+				loadRepoIDs = append(loadRepoIDs, result.RepoID)
+			}
+		}
+
+		repoMaps, err := models.GetRepositoriesMapByIDs(loadRepoIDs)
+		if err != nil {
+			ctx.ServerError("SearchResults", err)
+			return
+		}
+
+		ctx.Data["RepoMaps"] = repoMaps
+	}
+
+	ctx.Data["Keyword"] = keyword
+	ctx.Data["Language"] = language
+	ctx.Data["queryType"] = queryType
+	ctx.Data["SearchResults"] = searchResults
+	ctx.Data["SearchResultLanguages"] = searchResultLanguages
+	ctx.Data["RequireHighlightJS"] = true
+	ctx.Data["PageIsViewCode"] = true
+
+	pager := context.NewPagination(total, setting.UI.RepoSearchPagingNum, page, 5)
+	pager.SetDefaultParams(ctx)
+	pager.AddParam(ctx, "l", "Language")
+	ctx.Data["Page"] = pager
+
+	ctx.HTML(http.StatusOK, tplExploreCode)
+}
diff --git a/routers/web/explore/org.go b/routers/web/explore/org.go
new file mode 100644
index 0000000000..470e0eb853
--- /dev/null
+++ b/routers/web/explore/org.go
@@ -0,0 +1,39 @@
+// 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 (
+	"code.gitea.io/gitea/models"
+	"code.gitea.io/gitea/modules/base"
+	"code.gitea.io/gitea/modules/context"
+	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/modules/structs"
+)
+
+const (
+	// tplExploreOrganizations explore organizations page template
+	tplExploreOrganizations base.TplName = "explore/organizations"
+)
+
+// Organizations render explore organizations page
+func Organizations(ctx *context.Context) {
+	ctx.Data["UsersIsDisabled"] = setting.Service.Explore.DisableUsersPage
+	ctx.Data["Title"] = ctx.Tr("explore")
+	ctx.Data["PageIsExplore"] = true
+	ctx.Data["PageIsExploreOrganizations"] = true
+	ctx.Data["IsRepoIndexerEnabled"] = setting.Indexer.RepoIndexerEnabled
+
+	visibleTypes := []structs.VisibleType{structs.VisibleTypePublic}
+	if ctx.User != nil {
+		visibleTypes = append(visibleTypes, structs.VisibleTypeLimited, structs.VisibleTypePrivate)
+	}
+
+	RenderUserSearch(ctx, &models.SearchUserOptions{
+		Actor:       ctx.User,
+		Type:        models.UserTypeOrganization,
+		ListOptions: models.ListOptions{PageSize: setting.UI.ExplorePagingNum},
+		Visible:     visibleTypes,
+	}, tplExploreOrganizations)
+}
diff --git a/routers/web/explore/repo.go b/routers/web/explore/repo.go
new file mode 100644
index 0000000000..e9efae5688
--- /dev/null
+++ b/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,
+	})
+}
diff --git a/routers/web/explore/user.go b/routers/web/explore/user.go
new file mode 100644
index 0000000000..52f543fe66
--- /dev/null
+++ b/routers/web/explore/user.go
@@ -0,0 +1,107 @@
+// 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 (
+	"bytes"
+	"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"
+	"code.gitea.io/gitea/modules/structs"
+	"code.gitea.io/gitea/modules/util"
+)
+
+const (
+	// tplExploreUsers explore users page template
+	tplExploreUsers base.TplName = "explore/users"
+)
+
+var (
+	nullByte = []byte{0x00}
+)
+
+func isKeywordValid(keyword string) bool {
+	return !bytes.Contains([]byte(keyword), nullByte)
+}
+
+// RenderUserSearch render user search page
+func RenderUserSearch(ctx *context.Context, opts *models.SearchUserOptions, tplName base.TplName) {
+	opts.Page = ctx.QueryInt("page")
+	if opts.Page <= 1 {
+		opts.Page = 1
+	}
+
+	var (
+		users   []*models.User
+		count   int64
+		err     error
+		orderBy models.SearchOrderBy
+	)
+
+	ctx.Data["SortType"] = ctx.Query("sort")
+	switch ctx.Query("sort") {
+	case "newest":
+		orderBy = models.SearchOrderByIDReverse
+	case "oldest":
+		orderBy = models.SearchOrderByID
+	case "recentupdate":
+		orderBy = models.SearchOrderByRecentUpdated
+	case "leastupdate":
+		orderBy = models.SearchOrderByLeastUpdated
+	case "reversealphabetically":
+		orderBy = models.SearchOrderByAlphabeticallyReverse
+	case "alphabetically":
+		orderBy = models.SearchOrderByAlphabetically
+	default:
+		ctx.Data["SortType"] = "alphabetically"
+		orderBy = models.SearchOrderByAlphabetically
+	}
+
+	opts.Keyword = strings.Trim(ctx.Query("q"), " ")
+	opts.OrderBy = orderBy
+	if len(opts.Keyword) == 0 || isKeywordValid(opts.Keyword) {
+		users, count, err = models.SearchUsers(opts)
+		if err != nil {
+			ctx.ServerError("SearchUsers", err)
+			return
+		}
+	}
+	ctx.Data["Keyword"] = opts.Keyword
+	ctx.Data["Total"] = count
+	ctx.Data["Users"] = users
+	ctx.Data["UsersTwoFaStatus"] = models.UserList(users).GetTwoFaStatus()
+	ctx.Data["ShowUserEmail"] = setting.UI.ShowUserEmail
+	ctx.Data["IsRepoIndexerEnabled"] = setting.Indexer.RepoIndexerEnabled
+
+	pager := context.NewPagination(int(count), opts.PageSize, opts.Page, 5)
+	pager.SetDefaultParams(ctx)
+	ctx.Data["Page"] = pager
+
+	ctx.HTML(http.StatusOK, tplName)
+}
+
+// Users render explore users page
+func Users(ctx *context.Context) {
+	if setting.Service.Explore.DisableUsersPage {
+		ctx.Redirect(setting.AppSubURL + "/explore/repos")
+		return
+	}
+	ctx.Data["Title"] = ctx.Tr("explore")
+	ctx.Data["PageIsExplore"] = true
+	ctx.Data["PageIsExploreUsers"] = true
+	ctx.Data["IsRepoIndexerEnabled"] = setting.Indexer.RepoIndexerEnabled
+
+	RenderUserSearch(ctx, &models.SearchUserOptions{
+		Actor:       ctx.User,
+		Type:        models.UserTypeIndividual,
+		ListOptions: models.ListOptions{PageSize: setting.UI.ExplorePagingNum},
+		IsActive:    util.OptionalBoolTrue,
+		Visible:     []structs.VisibleType{structs.VisibleTypePublic, structs.VisibleTypeLimited, structs.VisibleTypePrivate},
+	}, tplExploreUsers)
+}