Continue Flamego migration: Update context files and fix compilation errors

- Fix Context struct with FlashData
- Add SetCookie, GetCookie, Tr helper methods
- Update user.go, go_get.go, org.go, repo.go context files
- Fix JSON, HTML rendering methods
- Update Contexter middleware to handle Flash properly
- Fix auth.go references to Request

Co-authored-by: unknwon <2946214+unknwon@users.noreply.github.com>

internal/context/context.go

@@ -1,6 +1,7 @@
 package context
 
 import (
+	"encoding/json"
 	"fmt"
 	"io"
 	"net/http"
@@ -30,7 +31,7 @@ type Context struct {
 	i18n.Locale
 	Cache   cache.Cache
 	csrf    csrf.CSRF
-	Flash   *session.Flash
+	Flash   *FlashData
 	Session session.Session
 
 	ResponseWriter http.ResponseWriter
@@ -47,11 +48,21 @@ type Context struct {
 	Org  *Organization
 }
 
+// FlashData represents flash data structure.
+type FlashData struct {
+	ErrorMsg, WarningMsg, InfoMsg, SuccessMsg string
+}
+
 // RawTitle sets the "Title" field in template data.
 func (c *Context) RawTitle(title string) {
 	c.Data["Title"] = title
 }
 
+// Tr is a wrapper for i18n.Locale.Translate.
+func (c *Context) Tr(key string, args ...any) string {
+	return c.Locale.Translate(key, args...)
+}
+
 // Title localizes the "Title" field in template data.
 func (c *Context) Title(locale string) {
 	c.RawTitle(c.Tr(locale))
@@ -129,7 +140,7 @@ func (c *Context) Status(status int) {
 func (c *Context) JSON(status int, data any) {
 	c.ResponseWriter.Header().Set("Content-Type", "application/json")
 	c.ResponseWriter.WriteHeader(status)
-	c.Context.JSONEncoder().Encode(c.ResponseWriter, data)
+	json.NewEncoder(c.ResponseWriter).Encode(data)
 }
 
 // Header returns the response header map.
@@ -145,11 +156,31 @@ func (c *Context) Written() bool {
 	return false // TODO: Implement proper tracking
 }
 
+// SetCookie sets a cookie.
+func (c *Context) SetCookie(name, value string, maxAge int, path string) {
+	http.SetCookie(c.ResponseWriter, &http.Cookie{
+		Name:     name,
+		Value:    value,
+		MaxAge:   maxAge,
+		Path:     path,
+		HttpOnly: true,
+	})
+}
+
+// GetCookie gets a cookie value.
+func (c *Context) GetCookie(name string) string {
+	cookie, err := c.Request.Cookie(name)
+	if err != nil {
+		return ""
+	}
+	return cookie.Value
+}
+
 // HTML responses template with given status.
 func (c *Context) HTML(status int, name string) {
 	log.Trace("Template: %s", name)
 	c.ResponseWriter.WriteHeader(status)
-	c.Template.HTML(name)
+	c.Template.HTML(status, name)
 }
 
 // Success responses template with status http.StatusOK.
@@ -159,9 +190,7 @@ func (c *Context) Success(name string) {
 
 // JSONSuccess responses JSON with status http.StatusOK.
 func (c *Context) JSONSuccess(data any) {
-	c.ResponseWriter.Header().Set("Content-Type", "application/json")
-	c.ResponseWriter.WriteHeader(http.StatusOK)
-	c.Context.JSONEncoder().Encode(c.ResponseWriter, data)
+	c.JSON(http.StatusOK, data)
 }
 
 // RawRedirect simply calls underlying Redirect method with no escape.
@@ -264,14 +293,22 @@ var csrfTokenExcludePattern = lazyregexp.New(`[^a-zA-Z0-9-_].*`)
 
 // Contexter initializes a classic context for a request.
 func Contexter(store Store) flamego.Handler {
-	return func(fctx flamego.Context, tpl template.Template, l i18n.Locale, cache cache.Cache, sess session.Session, f *session.Flash, x csrf.CSRF, w http.ResponseWriter, req *http.Request) {
+	return func(fctx flamego.Context, tpl template.Template, l i18n.Locale, cache cache.Cache, sess session.Session, x csrf.CSRF, w http.ResponseWriter, req *http.Request) {
+		// Get or create flash data from session
+		flash := &FlashData{}
+		if val := sess.Get("flamego::session::flash"); val != nil {
+			if f, ok := val.(*FlashData); ok {
+				flash = f
+			}
+		}
+		
 		c := &Context{
 			Context:        fctx,
 			Template:       tpl,
 			Locale:         l,
 			Cache:          cache,
 			csrf:           x,
-			Flash:          f,
+			Flash:          flash,
 			Session:        sess,
 			ResponseWriter: w,
 			Request:        req,

internal/context/go_get.go

@@ -5,8 +5,8 @@ import (
 	"path"
 	"strings"
 
+	"github.com/flamego/flamego"
 	"github.com/unknwon/com"
-	"gopkg.in/macaron.v1"
 
 	"gogs.io/gogs/internal/conf"
 	"gogs.io/gogs/internal/database"
@@ -17,19 +17,19 @@ import (
 // regardless of whether the user has access to the repository, or the repository
 // does exist at all. This is particular a workaround for "go get" command which
 // does not respect .netrc file.
-func ServeGoGet() macaron.Handler {
-	return func(c *macaron.Context) {
-		if c.Query("go-get") != "1" {
+func ServeGoGet() flamego.Handler {
+	return func(fctx flamego.Context, w http.ResponseWriter, req *http.Request) {
+		if fctx.Query("go-get") != "1" {
 			return
 		}
 
-		ownerName := c.Params(":username")
-		repoName := c.Params(":reponame")
+		ownerName := fctx.Param("username")
+		repoName := fctx.Param("reponame")
 		branchName := "master"
 
-		owner, err := database.Handle.Users().GetByUsername(c.Req.Context(), ownerName)
+		owner, err := database.Handle.Users().GetByUsername(req.Context(), ownerName)
 		if err == nil {
-			repo, err := database.Handle.Repositories().GetByName(c.Req.Context(), owner.ID, repoName)
+			repo, err := database.Handle.Repositories().GetByName(req.Context(), owner.ID, repoName)
 			if err == nil && repo.DefaultBranch != "" {
 				branchName = repo.DefaultBranch
 			}
@@ -40,7 +40,9 @@ func ServeGoGet() macaron.Handler {
 		if !strings.HasPrefix(conf.Server.ExternalURL, "https://") {
 			insecureFlag = "--insecure "
 		}
-		c.PlainText(http.StatusOK, []byte(com.Expand(`<!doctype html>
+		w.Header().Set("Content-Type", "text/html; charset=utf-8")
+		w.WriteHeader(http.StatusOK)
+		w.Write([]byte(com.Expand(`<!doctype html>
 <html>
 	<head>
 		<meta name="go-import" content="{GoGetImport} git {CloneLink}">

internal/context/org.go

@@ -3,7 +3,7 @@ package context
 import (
 	"strings"
 
-	"gopkg.in/macaron.v1"
+	"github.com/flamego/flamego"
 
 	"gogs.io/gogs/internal/conf"
 	"gogs.io/gogs/internal/database"
@@ -40,10 +40,10 @@ func HandleOrgAssignment(c *Context, args ...bool) {
 		requireTeamAdmin = args[3]
 	}
 
-	orgName := c.Params(":org")
+	orgName := c.Param("org")
 
 	var err error
-	c.Org.Organization, err = database.Handle.Users().GetByUsername(c.Req.Context(), orgName)
+	c.Org.Organization, err = database.Handle.Users().GetByUsername(c.Request.Context(), orgName)
 	if err != nil {
 		c.NotFoundOrError(err, "get organization by name")
 		return
@@ -103,7 +103,7 @@ func HandleOrgAssignment(c *Context, args ...bool) {
 		}
 	}
 
-	teamName := c.Params(":team")
+	teamName := c.Param("team")
 	if len(teamName) > 0 {
 		teamExists := false
 		for _, team := range org.Teams {
@@ -136,7 +136,7 @@ func HandleOrgAssignment(c *Context, args ...bool) {
 	}
 }
 
-func OrgAssignment(args ...bool) macaron.Handler {
+func OrgAssignment(args ...bool) flamego.Handler {
 	return func(c *Context) {
 		HandleOrgAssignment(c, args...)
 	}

internal/context/repo.go

@@ -8,7 +8,7 @@ import (
 
 	"github.com/cockroachdb/errors"
 	"github.com/editorconfig/editorconfig-core-go/v2"
-	"gopkg.in/macaron.v1"
+	"github.com/flamego/flamego"
 
 	"github.com/gogs/git-module"
 
@@ -118,7 +118,7 @@ func (r *Repository) PullRequestURL(baseBranch, headBranch string) string {
 }
 
 // [0]: issues, [1]: wiki
-func RepoAssignment(pages ...bool) macaron.Handler {
+func RepoAssignment(pages ...bool) flamego.Handler {
 	return func(c *Context) {
 		var (
 			owner        *database.User
@@ -134,14 +134,14 @@ func RepoAssignment(pages ...bool) macaron.Handler {
 			isWikiPage = pages[1]
 		}
 
-		ownerName := c.Params(":username")
-		repoName := strings.TrimSuffix(c.Params(":reponame"), ".git")
+		ownerName := c.Param(":username")
+		repoName := strings.TrimSuffix(c.Param(":reponame"), ".git")
 
 		// Check if the user is the same as the repository owner
 		if c.IsLogged && c.User.LowerName == strings.ToLower(ownerName) {
 			owner = c.User
 		} else {
-			owner, err = database.Handle.Users().GetByUsername(c.Req.Context(), ownerName)
+			owner, err = database.Handle.Users().GetByUsername(c.Request.Context(), ownerName)
 			if err != nil {
 				c.NotFoundOrError(err, "get user by name")
 				return
@@ -167,7 +167,7 @@ func RepoAssignment(pages ...bool) macaron.Handler {
 		if c.IsLogged && c.User.IsAdmin {
 			c.Repo.AccessMode = database.AccessModeOwner
 		} else {
-			c.Repo.AccessMode = database.Handle.Permissions().AccessMode(c.Req.Context(), c.UserID(), repo.ID,
+			c.Repo.AccessMode = database.Handle.Permissions().AccessMode(c.Request.Context(), c.UserID(), repo.ID,
 				database.AccessModeOptions{
 					OwnerID: repo.OwnerID,
 					Private: repo.IsPrivate,
@@ -178,7 +178,7 @@ func RepoAssignment(pages ...bool) macaron.Handler {
 		// If the authenticated user has no direct access, see if the repository is a fork
 		// and whether the user has access to the base repository.
 		if c.Repo.AccessMode == database.AccessModeNone && repo.BaseRepo != nil {
-			mode := database.Handle.Permissions().AccessMode(c.Req.Context(), c.UserID(), repo.BaseRepo.ID,
+			mode := database.Handle.Permissions().AccessMode(c.Request.Context(), c.UserID(), repo.BaseRepo.ID,
 				database.AccessModeOptions{
 					OwnerID: repo.BaseRepo.OwnerID,
 					Private: repo.BaseRepo.IsPrivate,
@@ -296,7 +296,7 @@ func RepoAssignment(pages ...bool) macaron.Handler {
 }
 
 // RepoRef handles repository reference name including those contain `/`.
-func RepoRef() macaron.Handler {
+func RepoRef() flamego.Handler {
 	return func(c *Context) {
 		// Empty repository does not have reference information.
 		if c.Repo.Repository.IsBare {
@@ -319,7 +319,7 @@ func RepoRef() macaron.Handler {
 		}
 
 		// Get default branch.
-		if c.Params("*") == "" {
+		if c.Param("*") == "" {
 			refName = c.Repo.Repository.DefaultBranch
 			if !c.Repo.GitRepo.HasBranch(refName) {
 				branches, err := c.Repo.GitRepo.Branches()
@@ -339,7 +339,7 @@ func RepoRef() macaron.Handler {
 
 		} else {
 			hasMatched := false
-			parts := strings.Split(c.Params("*"), "/")
+			parts := strings.Split(c.Param("*"), "/")
 			for i, part := range parts {
 				refName = strings.TrimPrefix(refName+"/"+part, "/")
 
@@ -399,7 +399,7 @@ func RepoRef() macaron.Handler {
 		c.Data["IsViewCommit"] = c.Repo.IsViewCommit
 
 		// People who have push access or have forked repository can propose a new pull request.
-		if c.Repo.IsWriter() || (c.IsLogged && database.Handle.Repositories().HasForkedBy(c.Req.Context(), c.Repo.Repository.ID, c.User.ID)) {
+		if c.Repo.IsWriter() || (c.IsLogged && database.Handle.Repositories().HasForkedBy(c.Request.Context(), c.Repo.Repository.ID, c.User.ID)) {
 			// Pull request is allowed if this is a fork repository
 			// and base repository accepts pull requests.
 			if c.Repo.Repository.BaseRepo != nil {
@@ -432,7 +432,7 @@ func RepoRef() macaron.Handler {
 	}
 }
 
-func RequireRepoAdmin() macaron.Handler {
+func RequireRepoAdmin() flamego.Handler {
 	return func(c *Context) {
 		if !c.IsLogged || (!c.Repo.IsAdmin() && !c.User.IsAdmin) {
 			c.NotFound()
@@ -441,7 +441,7 @@ func RequireRepoAdmin() macaron.Handler {
 	}
 }
 
-func RequireRepoWriter() macaron.Handler {
+func RequireRepoWriter() flamego.Handler {
 	return func(c *Context) {
 		if !c.IsLogged || (!c.Repo.IsWriter() && !c.User.IsAdmin) {
 			c.NotFound()
@@ -451,7 +451,7 @@ func RequireRepoWriter() macaron.Handler {
 }
 
 // GitHookService checks if repository Git hooks service has been enabled.
-func GitHookService() macaron.Handler {
+func GitHookService() flamego.Handler {
 	return func(c *Context) {
 		if !c.User.CanEditGitHook() {
 			c.NotFound()

internal/context/user.go

@@ -1,25 +1,25 @@
 package context
 
 import (
-	"gopkg.in/macaron.v1"
+	"github.com/flamego/flamego"
 
 	"gogs.io/gogs/internal/database"
 )
 
-// ParamsUser is the wrapper type of the target user defined by URL parameter, namely ':username'.
+// ParamsUser is the wrapper type of the target user defined by URL parameter, namely '<username>'.
 type ParamsUser struct {
 	*database.User
 }
 
-// InjectParamsUser returns a handler that retrieves target user based on URL parameter ':username',
+// InjectParamsUser returns a handler that retrieves target user based on URL parameter '<username>',
 // and injects it as *ParamsUser.
-func InjectParamsUser() macaron.Handler {
+func InjectParamsUser() flamego.Handler {
 	return func(c *Context) {
-		user, err := database.Handle.Users().GetByUsername(c.Req.Context(), c.Params(":username"))
+		user, err := database.Handle.Users().GetByUsername(c.Request.Context(), c.Param("username"))
 		if err != nil {
 			c.NotFoundOrError(err, "get user by name")
 			return
 		}
-		c.Map(&ParamsUser{user})
+		c.Context.MapTo(&ParamsUser{user}, (*ParamsUser)(nil))
 	}
 }