Add user/organization code search (#19977)

Fixes #19925 

Screenshots:

![attels](https://user-images.githubusercontent.com/165205/173864718-fe789429-55bc-4cad-808c-9f02f335cddf.png)

6 files changed, 201 insertions, 66 deletions

diff --git a/routers/web/explore/code.go b/routers/web/explore/code.go
index 3afb2110d9..2357b34fd0 100644
--- a/routers/web/explore/code.go
+++ b/routers/web/explore/code.go
@@ -34,86 +34,91 @@ func Code(ctx *context.Context) {
 
 	language := ctx.FormTrim("l")
 	keyword := ctx.FormTrim("q")
+
+	queryType := ctx.FormTrim("t")
+	isMatch := queryType == "match"
+
+	ctx.Data["Keyword"] = keyword
+	ctx.Data["Language"] = language
+	ctx.Data["queryType"] = queryType
+	ctx.Data["PageIsViewCode"] = true
+
+	if keyword == "" {
+		ctx.HTML(http.StatusOK, tplExploreCode)
+		return
+	}
+
 	page := ctx.FormInt("page")
 	if page <= 0 {
 		page = 1
 	}
 
-	queryType := ctx.FormTrim("t")
-	isMatch := queryType == "match"
+	var (
+		repoIDs []int64
+		err     error
+		isAdmin bool
+	)
+	if ctx.Doer != nil {
+		isAdmin = ctx.Doer.IsAdmin
+	}
 
-	if keyword != "" {
-		var (
-			repoIDs []int64
-			err     error
-			isAdmin bool
-		)
-		if ctx.Doer != nil {
-			isAdmin = ctx.Doer.IsAdmin
+	// guest user or non-admin user
+	if ctx.Doer == nil || !isAdmin {
+		repoIDs, err = repo_model.FindUserCodeAccessibleRepoIDs(ctx, ctx.Doer)
+		if err != nil {
+			ctx.ServerError("FindUserCodeAccessibleRepoIDs", err)
+			return
 		}
+	}
 
-		// guest user or non-admin user
-		if ctx.Doer == nil || !isAdmin {
-			repoIDs, err = repo_model.FindUserCodeAccessibleRepoIDs(ctx.Doer)
-			if err != nil {
+	var (
+		total                 int
+		searchResults         []*code_indexer.Result
+		searchResultLanguages []*code_indexer.SearchResultLanguages
+	)
+
+	if (len(repoIDs) > 0) || isAdmin {
+		total, searchResults, searchResultLanguages, err = code_indexer.PerformSearch(ctx, repoIDs, language, keyword, page, setting.UI.RepoSearchPagingNum, isMatch)
+		if err != nil {
+			if code_indexer.IsAvailable() {
 				ctx.ServerError("SearchResults", err)
 				return
 			}
+			ctx.Data["CodeIndexerUnavailable"] = true
+		} else {
+			ctx.Data["CodeIndexerUnavailable"] = !code_indexer.IsAvailable()
 		}
 
-		var (
-			total                 int
-			searchResults         []*code_indexer.Result
-			searchResultLanguages []*code_indexer.SearchResultLanguages
-		)
-
-		if (len(repoIDs) > 0) || isAdmin {
-			total, searchResults, searchResultLanguages, err = code_indexer.PerformSearch(ctx, repoIDs, language, keyword, page, setting.UI.RepoSearchPagingNum, isMatch)
-			if err != nil {
-				if code_indexer.IsAvailable() {
-					ctx.ServerError("SearchResults", err)
-					return
+		loadRepoIDs := make([]int64, 0, len(searchResults))
+		for _, result := range searchResults {
+			var find bool
+			for _, id := range loadRepoIDs {
+				if id == result.RepoID {
+					find = true
+					break
 				}
-				ctx.Data["CodeIndexerUnavailable"] = true
-			} else {
-				ctx.Data["CodeIndexerUnavailable"] = !code_indexer.IsAvailable()
 			}
-
-			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 := repo_model.GetRepositoriesMapByIDs(loadRepoIDs)
-			if err != nil {
-				ctx.ServerError("SearchResults", err)
-				return
+			if !find {
+				loadRepoIDs = append(loadRepoIDs, result.RepoID)
 			}
+		}
 
-			ctx.Data["RepoMaps"] = repoMaps
+		repoMaps, err := repo_model.GetRepositoriesMapByIDs(loadRepoIDs)
+		if err != nil {
+			ctx.ServerError("GetRepositoriesMapByIDs", err)
+			return
 		}
 
-		ctx.Data["Keyword"] = keyword
-		ctx.Data["Language"] = language
-		ctx.Data["queryType"] = queryType
-		ctx.Data["SearchResults"] = searchResults
-		ctx.Data["SearchResultLanguages"] = searchResultLanguages
-		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.Data["RepoMaps"] = repoMaps
 	}
 
+	ctx.Data["SearchResults"] = searchResults
+	ctx.Data["SearchResultLanguages"] = searchResultLanguages
+
+	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/repo/search.go b/routers/web/repo/search.go
index 8f141cb149..3d1835c7c3 100644
--- a/routers/web/repo/search.go
+++ b/routers/web/repo/search.go
@@ -21,14 +21,27 @@ func Search(ctx *context.Context) {
 		ctx.Redirect(ctx.Repo.RepoLink)
 		return
 	}
+
 	language := ctx.FormTrim("l")
 	keyword := ctx.FormTrim("q")
+
+	queryType := ctx.FormTrim("t")
+	isMatch := queryType == "match"
+
+	ctx.Data["Keyword"] = keyword
+	ctx.Data["Language"] = language
+	ctx.Data["queryType"] = queryType
+	ctx.Data["PageIsViewCode"] = true
+
+	if keyword == "" {
+		ctx.HTML(http.StatusOK, tplSearch)
+		return
+	}
+
 	page := ctx.FormInt("page")
 	if page <= 0 {
 		page = 1
 	}
-	queryType := ctx.FormTrim("t")
-	isMatch := queryType == "match"
 
 	total, searchResults, searchResultLanguages, err := code_indexer.PerformSearch(ctx, []int64{ctx.Repo.Repository.ID},
 		language, keyword, page, setting.UI.RepoSearchPagingNum, isMatch)
@@ -41,13 +54,10 @@ func Search(ctx *context.Context) {
 	} else {
 		ctx.Data["CodeIndexerUnavailable"] = !code_indexer.IsAvailable()
 	}
-	ctx.Data["Keyword"] = keyword
-	ctx.Data["Language"] = language
-	ctx.Data["queryType"] = queryType
+
 	ctx.Data["SourcePath"] = ctx.Repo.Repository.HTMLURL()
 	ctx.Data["SearchResults"] = searchResults
 	ctx.Data["SearchResultLanguages"] = searchResultLanguages
-	ctx.Data["PageIsViewCode"] = true
 
 	pager := context.NewPagination(total, setting.UI.RepoSearchPagingNum, page, 5)
 	pager.SetDefaultParams(ctx)
diff --git a/routers/web/user/code.go b/routers/web/user/code.go
new file mode 100644
index 0000000000..89bd23588b
--- /dev/null
+++ b/routers/web/user/code.go
@@ -0,0 +1,114 @@
+// Copyright 2022 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 user
+
+import (
+	"net/http"
+
+	repo_model "code.gitea.io/gitea/models/repo"
+	"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 (
+	tplUserCode base.TplName = "user/code"
+)
+
+// CodeSearch render user/organization code search page
+func CodeSearch(ctx *context.Context) {
+	if !setting.Indexer.RepoIndexerEnabled {
+		ctx.Redirect(ctx.ContextUser.HomeLink())
+		return
+	}
+
+	ctx.Data["IsPackageEnabled"] = setting.Packages.Enabled
+	ctx.Data["IsRepoIndexerEnabled"] = setting.Indexer.RepoIndexerEnabled
+	ctx.Data["Title"] = ctx.Tr("code.title")
+	ctx.Data["ContextUser"] = ctx.ContextUser
+
+	language := ctx.FormTrim("l")
+	keyword := ctx.FormTrim("q")
+
+	queryType := ctx.FormTrim("t")
+	isMatch := queryType == "match"
+
+	ctx.Data["Keyword"] = keyword
+	ctx.Data["Language"] = language
+	ctx.Data["queryType"] = queryType
+	ctx.Data["IsCodePage"] = true
+
+	if keyword == "" {
+		ctx.HTML(http.StatusOK, tplUserCode)
+		return
+	}
+
+	var (
+		repoIDs []int64
+		err     error
+	)
+
+	page := ctx.FormInt("page")
+	if page <= 0 {
+		page = 1
+	}
+
+	repoIDs, err = repo_model.FindUserCodeAccessibleOwnerRepoIDs(ctx, ctx.ContextUser.ID, ctx.Doer)
+	if err != nil {
+		ctx.ServerError("FindUserCodeAccessibleOwnerRepoIDs", err)
+		return
+	}
+
+	var (
+		total                 int
+		searchResults         []*code_indexer.Result
+		searchResultLanguages []*code_indexer.SearchResultLanguages
+	)
+
+	if len(repoIDs) > 0 {
+		total, searchResults, searchResultLanguages, err = code_indexer.PerformSearch(ctx, repoIDs, language, keyword, page, setting.UI.RepoSearchPagingNum, isMatch)
+		if err != nil {
+			if code_indexer.IsAvailable() {
+				ctx.ServerError("SearchResults", err)
+				return
+			}
+			ctx.Data["CodeIndexerUnavailable"] = true
+		} else {
+			ctx.Data["CodeIndexerUnavailable"] = !code_indexer.IsAvailable()
+		}
+
+		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 := repo_model.GetRepositoriesMapByIDs(loadRepoIDs)
+		if err != nil {
+			ctx.ServerError("GetRepositoriesMapByIDs", err)
+			return
+		}
+
+		ctx.Data["RepoMaps"] = repoMaps
+	}
+	ctx.Data["SearchResults"] = searchResults
+	ctx.Data["SearchResultLanguages"] = searchResultLanguages
+
+	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, tplUserCode)
+}
diff --git a/routers/web/user/package.go b/routers/web/user/package.go
index 20d8e32d29..c72592e728 100644
--- a/routers/web/user/package.go
+++ b/routers/web/user/package.go
@@ -86,6 +86,7 @@ func ListPackages(ctx *context.Context) {
 
 	ctx.Data["Title"] = ctx.Tr("packages.title")
 	ctx.Data["IsPackagesPage"] = true
+	ctx.Data["IsRepoIndexerEnabled"] = setting.Indexer.RepoIndexerEnabled
 	ctx.Data["ContextUser"] = ctx.ContextUser
 	ctx.Data["Query"] = query
 	ctx.Data["PackageType"] = packageType
@@ -157,6 +158,7 @@ func ViewPackageVersion(ctx *context.Context) {
 
 	ctx.Data["Title"] = pd.Package.Name
 	ctx.Data["IsPackagesPage"] = true
+	ctx.Data["IsRepoIndexerEnabled"] = setting.Indexer.RepoIndexerEnabled
 	ctx.Data["ContextUser"] = ctx.ContextUser
 	ctx.Data["PackageDescriptor"] = pd
 
@@ -234,6 +236,7 @@ func ListPackageVersions(ctx *context.Context) {
 
 	ctx.Data["Title"] = ctx.Tr("packages.title")
 	ctx.Data["IsPackagesPage"] = true
+	ctx.Data["IsRepoIndexerEnabled"] = setting.Indexer.RepoIndexerEnabled
 	ctx.Data["ContextUser"] = ctx.ContextUser
 	ctx.Data["PackageDescriptor"] = &packages_model.PackageDescriptor{
 		Package: p,
@@ -305,6 +308,7 @@ func PackageSettings(ctx *context.Context) {
 
 	ctx.Data["Title"] = pd.Package.Name
 	ctx.Data["IsPackagesPage"] = true
+	ctx.Data["IsRepoIndexerEnabled"] = setting.Indexer.RepoIndexerEnabled
 	ctx.Data["ContextUser"] = ctx.ContextUser
 	ctx.Data["PackageDescriptor"] = pd
 
diff --git a/routers/web/user/profile.go b/routers/web/user/profile.go
index a3452fd692..6e16b377db 100644
--- a/routers/web/user/profile.go
+++ b/routers/web/user/profile.go
@@ -290,6 +290,7 @@ func Profile(ctx *context.Context) {
 	}
 	ctx.Data["Page"] = pager
 	ctx.Data["IsPackageEnabled"] = setting.Packages.Enabled
+	ctx.Data["IsRepoIndexerEnabled"] = setting.Indexer.RepoIndexerEnabled
 
 	ctx.Data["ShowUserEmail"] = len(ctx.ContextUser.Email) > 0 && ctx.IsSigned && (!ctx.ContextUser.KeepEmailPrivate || ctx.ContextUser.ID == ctx.Doer.ID)
 
diff --git a/routers/web/web.go b/routers/web/web.go
index 656cd52b54..c74343c8cf 100644
--- a/routers/web/web.go
+++ b/routers/web/web.go
@@ -754,6 +754,7 @@ func RegisterRoutes(m *web.Route) {
 				})
 			}, ignSignIn, context.PackageAssignment(), reqPackageAccess(perm.AccessModeRead))
 		}
+		m.Get("/code", user.CodeSearch)
 	}, context_service.UserAssignmentWeb())
 
 	// ***** Release Attachment Download without Signin