Add translation strings (#269)

internal/i18n/locale.go

@@ -112,6 +112,20 @@ func (store *LocaleStore) MatchTag(langs []language.Tag) string {
 	return "en-US"
 }
 
+func (l *Locale) String(key string, args ...any) string {
+	message := l.Messages[key]
+
+	if message == "" {
+		return Locales.Locales["en-US"].String(key, args...)
+	}
+
+	if len(args) == 0 {
+		return message
+	}
+
+	return fmt.Sprintf(message, args...)
+}
+
 func (l *Locale) Tr(key string, args ...any) template.HTML {
 	message := l.Messages[key]
 

internal/i18n/locales/en-US.yml

@@ -44,8 +44,10 @@ gist.new.create-public-button: Create public gist
 gist.new.create-unlisted-button: Create unlisted gist
 gist.new.create-private-button: Create private gist
 gist.new.preview: Preview
+gist.new.create-a-new-gist: Create a new gist
 
 gist.edit.editing: Editing
+gist.edit.edit-gist: Edit %s
 gist.edit.change-visibility: Make
 gist.edit.delete: Delete
 gist.edit.cancel: Cancel
@@ -68,6 +70,9 @@ gist.list.forks: forks
 gist.list.files: files
 gist.list.last-active: Last active
 gist.list.no-gists: No gists
+gist.list.all-liked-by: All gists liked by %s
+gist.list.all-forked-by: All gists forked by %s
+gist.list.all-from: All gists from %s
 
 gist.search.found: gists found
 gist.search.no-results: No gists found
@@ -80,9 +85,11 @@ gist.search.help.language: gists having files with given language
 gist.forks: Forks
 gist.forks.view: View fork
 gist.forks.no: No public forks
+gist.forks.for: Forks for %s
 
 gist.likes: Likes
 gist.likes.no: No likes yet
+gist.likes.for: Likes for %s
 
 gist.revisions: Revisions
 gist.revision.revised: revised this gist
@@ -95,6 +102,7 @@ gist.revision.file-renamed-no-changes: File renamed without changes
 gist.revision.empty-file: Empty file
 gist.revision.no-changes: No changes
 gist.revision.no-revisions: No revisions to show
+gist.revision-of: Revision of %s
 
 settings: Settings
 settings.email: Email
@@ -136,6 +144,16 @@ auth.login-instead: Login instead
 auth.oauth: Continue with %s account
 
 error: Error
+error.page-not-found: Page not found
+error.bad-request: Bad request
+error.signup-disabled: Signing up is disabled
+error.signup-disabled-form: Signing up via registration form is disabled
+error.login-disabled-form: Logging in via login form is disabled
+error.complete-oauth-login: "Cannot complete user auth: %s"
+error.oauth-unsupported: Unsupported provider
+error.cannot-bind-data: Cannot bind data
+error.invalid-number: Invalid number
+error.invalid-character-unescaped: Invalid character unescaped
 
 header.menu.all: All
 header.menu.new: New
@@ -205,3 +223,44 @@ admin.invitations.code: Code
 admin.invitations.copy_link: Copy link
 admin.invitations.uses: Uses
 admin.invitations.expired: Expired
+
+flash.admin.user-deleted: User has been deleted
+flash.admin.gist-deleted: Gist has been deleted
+flash.admin.invitation-created: Invitation has been created
+flash.admin.invitation-deleted: Invitation has been deleted
+flash.admin.sync-fs: Syncing repositories from filesystem...
+flash.admin.sync-db: Syncing repositories from database...
+flash.admin.git-gc: Garbage collecting repositories...
+flash.admin.sync-previews: Syncing Gist previews...
+flash.admin.reset-hooks: Resetting Git server hooks for all repositories...
+flash.admin.index-gists: Indexing all gists...
+
+flash.auth.username-exists: Username already exists
+flash.auth.invalid-credentials: Invalid credentials
+flash.auth.account-linked-oauth: Account linked to %s
+flash.auth.account-unlinked-oauth: Account unlinked from %s
+flash.auth.user-sshkeys-not-retrievable: Could not get user keys
+flash.auth.user-sshkeys-not-created: Could not create ssh key
+flash.auth.must-be-logged-in: You must be logged in to access gists
+
+flash.gist.visibility-changed: Gist visibility has been changed
+flash.gist.deleted: Gist has been deleted
+flash.gist.fork-own-gist: Unable to fork own gists
+flash.gist.forked: Gist has been forked
+
+flash.user.email-updated: Email updated
+flash.user.invalid-ssh-key: Invalid SSH key
+flash.user.ssh-key-added: SSH key added
+flash.user.ssh-key-deleted: SSH key deleted
+flash.user.password-updated: Password updated
+flash.user.username-updated: Username updated
+
+validation.is-too-long: Field %s is too long
+validation.should-not-be-empty: Field %s should not be empty
+validation.should-not-include-sub-directory: Field %s should not include a sub directory
+validation.should-only-contain-alphanumeric-characters: Field %s should only contain alphanumeric characters
+validation.should-only-contain-alphanumeric-characters-and-dashes: Field %s should only contain alphanumeric characters and dashes
+validation.not-enough: Not enough %s
+validation.invalid: Invalid %s
+
+html.title.admin-panel: Admin panel

internal/utils/validator.go

@@ -2,6 +2,7 @@ package utils
 
 import (
 	"github.com/go-playground/validator/v10"
+	"github.com/thomiceli/opengist/internal/i18n"
 	"regexp"
 	"strings"
 )
@@ -26,26 +27,26 @@ func (cv *OpengistValidator) Var(field interface{}, tag string) error {
 	return cv.v.Var(field, tag)
 }
 
-func ValidationMessages(err *error) string {
+func ValidationMessages(err *error, locale *i18n.Locale) string {
 	errs := (*err).(validator.ValidationErrors)
 	messages := make([]string, len(errs))
 	for i, e := range errs {
 		switch e.Tag() {
 		case "max":
-			messages[i] = e.Field() + " is too long"
+			messages[i] = locale.String("validation.is-too-long", e.Field())
 		case "required":
-			messages[i] = e.Field() + " should not be empty"
+			messages[i] = locale.String("validation.should-not-be-empty", e.Field())
 		case "excludes":
-			messages[i] = e.Field() + " should not include a sub directory"
+			messages[i] = locale.String("validation.should-not-include-sub-directory", e.Field())
 		case "alphanum":
-			messages[i] = e.Field() + " should only contain alphanumeric characters"
+			messages[i] = locale.String("validation.should-only-contain-alphanumeric-characters", e.Field())
 		case "alphanumdash":
 		case "alphanumdashorempty":
-			messages[i] = e.Field() + " should only contain alphanumeric characters and dashes"
+			messages[i] = locale.String("validation.should-only-contain-alphanumeric-characters-and-dashes", e.Field())
 		case "min":
-			messages[i] = "Not enough " + e.Field()
+			messages[i] = locale.String("validation.not-enough", e.Field())
 		case "notreserved":
-			messages[i] = "Invalid " + e.Field()
+			messages[i] = locale.String("validation.invalid", e.Field())
 		}
 	}
 

internal/web/admin.go

@@ -12,8 +12,7 @@ import (
 )
 
 func adminIndex(ctx echo.Context) error {
-	setData(ctx, "title", "Admin panel")
+	setData(ctx, "htmlTitle", trH(ctx, "admin.admin_panel"))
-	setData(ctx, "htmlTitle", "Admin panel")
 	setData(ctx, "adminHeaderPage", "index")
 
 	setData(ctx, "opengistVersion", config.OpengistVersion)
@@ -52,8 +51,7 @@ func adminIndex(ctx echo.Context) error {
 }
 
 func adminUsers(ctx echo.Context) error {
-	setData(ctx, "title", "Users")
+	setData(ctx, "htmlTitle", trH(ctx, "admin.users")+" - "+trH(ctx, "admin.admin_panel"))
-	setData(ctx, "htmlTitle", "Users - Admin panel")
 	setData(ctx, "adminHeaderPage", "users")
 	pageInt := getPage(ctx)
 
@@ -64,15 +62,14 @@ func adminUsers(ctx echo.Context) error {
 	}
 
 	if err = paginate(ctx, data, pageInt, 10, "data", "admin-panel/users", 1); err != nil {
-		return errorRes(404, "Page not found", nil)
+		return errorRes(404, tr(ctx, "error.page-not-found"), nil)
 	}
 
 	return html(ctx, "admin_users.html")
 }
 
 func adminGists(ctx echo.Context) error {
-	setData(ctx, "title", "Gists")
+	setData(ctx, "htmlTitle", trH(ctx, "admin.gists")+" - "+trH(ctx, "admin.admin_panel"))
-	setData(ctx, "htmlTitle", "Gists - Admin panel")
 	setData(ctx, "adminHeaderPage", "gists")
 	pageInt := getPage(ctx)
 
@@ -83,7 +80,7 @@ func adminGists(ctx echo.Context) error {
 	}
 
 	if err = paginate(ctx, data, pageInt, 10, "data", "admin-panel/gists", 1); err != nil {
-		return errorRes(404, "Page not found", nil)
+		return errorRes(404, tr(ctx, "error.page-not-found"), nil)
 	}
 
 	return html(ctx, "admin_gists.html")
@@ -100,7 +97,7 @@ func adminUserDelete(ctx echo.Context) error {
 		return errorRes(500, "Cannot delete this user", err)
 	}
 
-	addFlash(ctx, "User has been deleted", "success")
+	addFlash(ctx, tr(ctx, "flash.admin.user-deleted"), "success")
 	return redirect(ctx, "/admin-panel/users")
 }
 
@@ -120,49 +117,48 @@ func adminGistDelete(ctx echo.Context) error {
 
 	gist.RemoveFromIndex()
 
-	addFlash(ctx, "Gist has been deleted", "success")
+	addFlash(ctx, tr(ctx, "flash.admin.gist-deleted"), "success")
 	return redirect(ctx, "/admin-panel/gists")
 }
 
 func adminSyncReposFromFS(ctx echo.Context) error {
-	addFlash(ctx, "Syncing repositories from filesystem...", "success")
+	addFlash(ctx, tr(ctx, "flash.admin.sync-fs"), "success")
 	go actions.Run(actions.SyncReposFromFS)
 	return redirect(ctx, "/admin-panel")
 }
 
 func adminSyncReposFromDB(ctx echo.Context) error {
-	addFlash(ctx, "Syncing repositories from database...", "success")
+	addFlash(ctx, tr(ctx, "flash.admin.sync-db"), "success")
 	go actions.Run(actions.SyncReposFromDB)
 	return redirect(ctx, "/admin-panel")
 }
 
 func adminGcRepos(ctx echo.Context) error {
-	addFlash(ctx, "Garbage collecting repositories...", "success")
+	addFlash(ctx, tr(ctx, "flash.admin.git-gc"), "success")
 	go actions.Run(actions.GitGcRepos)
 	return redirect(ctx, "/admin-panel")
 }
 
 func adminSyncGistPreviews(ctx echo.Context) error {
-	addFlash(ctx, "Syncing Gist previews...", "success")
+	addFlash(ctx, tr(ctx, "flash.admin.sync-previews"), "success")
 	go actions.Run(actions.SyncGistPreviews)
 	return redirect(ctx, "/admin-panel")
 }
 
 func adminResetHooks(ctx echo.Context) error {
-	addFlash(ctx, "Resetting Git server hooks for all repositories...", "success")
+	addFlash(ctx, tr(ctx, "flash.admin.reset-hooks"), "success")
 	go actions.Run(actions.ResetHooks)
 	return redirect(ctx, "/admin-panel")
 }
 
 func adminIndexGists(ctx echo.Context) error {
-	addFlash(ctx, "Indexing all gists...", "success")
+	addFlash(ctx, tr(ctx, "flash.admin.index-gists"), "success")
 	go actions.Run(actions.IndexGists)
 	return redirect(ctx, "/admin-panel")
 }
 
 func adminConfig(ctx echo.Context) error {
-	setData(ctx, "title", "Configuration")
+	setData(ctx, "htmlTitle", trH(ctx, "admin.configuration")+" - "+trH(ctx, "admin.admin_panel"))
-	setData(ctx, "htmlTitle", "Configuration - Admin panel")
 	setData(ctx, "adminHeaderPage", "config")
 
 	return html(ctx, "admin_config.html")
@@ -182,8 +178,7 @@ func adminSetConfig(ctx echo.Context) error {
 }
 
 func adminInvitations(ctx echo.Context) error {
-	setData(ctx, "title", "Invitations")
+	setData(ctx, "htmlTitle", trH(ctx, "admin.invitations")+" - "+trH(ctx, "admin.admin_panel"))
-	setData(ctx, "htmlTitle", "Invitations - Admin panel")
 	setData(ctx, "adminHeaderPage", "invitations")
 
 	var invitations []*db.Invitation
@@ -218,7 +213,7 @@ func adminInvitationsCreate(ctx echo.Context) error {
 		return errorRes(500, "Cannot create invitation", err)
 	}
 
-	addFlash(ctx, "Invitation has been created", "success")
+	addFlash(ctx, tr(ctx, "flash.admin.invitation-created"), "success")
 	return redirect(ctx, "/admin-panel/invitations")
 }
 
@@ -233,6 +228,6 @@ func adminInvitationsDelete(ctx echo.Context) error {
 		return errorRes(500, "Cannot delete this invitation", err)
 	}
 
-	addFlash(ctx, "Invitation has been deleted", "success")
+	addFlash(ctx, tr(ctx, "flash.admin.invitation-deleted"), "success")
 	return redirect(ctx, "/admin-panel/invitations")
 }

internal/web/auth.go

@@ -16,6 +16,7 @@ import (
 	"github.com/rs/zerolog/log"
 	"github.com/thomiceli/opengist/internal/config"
 	"github.com/thomiceli/opengist/internal/db"
+	"github.com/thomiceli/opengist/internal/i18n"
 	"github.com/thomiceli/opengist/internal/utils"
 	"golang.org/x/text/cases"
 	"golang.org/x/text/language"
@@ -48,8 +49,8 @@ func register(ctx echo.Context) error {
 		}
 	}
 
-	setData(ctx, "title", tr(ctx, "auth.new-account"))
+	setData(ctx, "title", trH(ctx, "auth.new-account"))
-	setData(ctx, "htmlTitle", "New account")
+	setData(ctx, "htmlTitle", trH(ctx, "auth.new-account"))
 	setData(ctx, "disableForm", disableForm)
 	setData(ctx, "disableSignup", disableSignup)
 	setData(ctx, "isLoginPage", false)
@@ -68,30 +69,30 @@ func processRegister(ctx echo.Context) error {
 	}
 
 	if disableSignup == true {
-		return errorRes(403, "Signing up is disabled", nil)
+		return errorRes(403, tr(ctx, "error.signup-disabled"), nil)
 	}
 
 	if getData(ctx, "DisableLoginForm") == true {
-		return errorRes(403, "Signing up via registration form is disabled", nil)
+		return errorRes(403, tr(ctx, "error.signup-disabled-form"), nil)
 	}
 
-	setData(ctx, "title", "New account")
+	setData(ctx, "title", trH(ctx, "auth.new-account"))
-	setData(ctx, "htmlTitle", "New account")
+	setData(ctx, "htmlTitle", trH(ctx, "auth.new-account"))
 
 	sess := getSession(ctx)
 
 	dto := new(db.UserDTO)
 	if err := ctx.Bind(dto); err != nil {
-		return errorRes(400, "Cannot bind data", err)
+		return errorRes(400, tr(ctx, "error.cannot-bind-data"), err)
 	}
 
 	if err := ctx.Validate(dto); err != nil {
-		addFlash(ctx, utils.ValidationMessages(&err), "error")
+		addFlash(ctx, utils.ValidationMessages(&err, getData(ctx, "locale").(*i18n.Locale)), "error")
 		return html(ctx, "auth_form.html")
 	}
 
 	if exists, err := db.UserExists(dto.Username); err != nil || exists {
-		addFlash(ctx, "Username already exists", "error")
+		addFlash(ctx, tr(ctx, "flash.auth.username-exists"), "error")
 		return html(ctx, "auth_form.html")
 	}
 
@@ -126,8 +127,8 @@ func processRegister(ctx echo.Context) error {
 }
 
 func login(ctx echo.Context) error {
-	setData(ctx, "title", tr(ctx, "auth.login"))
+	setData(ctx, "title", trH(ctx, "auth.login"))
-	setData(ctx, "htmlTitle", "Login")
+	setData(ctx, "htmlTitle", trH(ctx, "auth.login"))
 	setData(ctx, "disableForm", getData(ctx, "DisableLoginForm"))
 	setData(ctx, "isLoginPage", true)
 	return html(ctx, "auth_form.html")
@@ -135,7 +136,7 @@ func login(ctx echo.Context) error {
 
 func processLogin(ctx echo.Context) error {
 	if getData(ctx, "DisableLoginForm") == true {
-		return errorRes(403, "Logging in via login form is disabled", nil)
+		return errorRes(403, tr(ctx, "error.login-disabled-form"), nil)
 	}
 
 	var err error
@@ -143,7 +144,7 @@ func processLogin(ctx echo.Context) error {
 
 	dto := &db.UserDTO{}
 	if err = ctx.Bind(dto); err != nil {
-		return errorRes(400, "Cannot bind data", err)
+		return errorRes(400, tr(ctx, "error.cannot-bind-data"), err)
 	}
 	password := dto.Password
 
@@ -154,7 +155,7 @@ func processLogin(ctx echo.Context) error {
 			return errorRes(500, "Cannot get user", err)
 		}
 		log.Warn().Msg("Invalid HTTP authentication attempt from " + ctx.RealIP())
-		addFlash(ctx, "Invalid credentials", "error")
+		addFlash(ctx, tr(ctx, "flash.auth.invalid-credentials"), "error")
 		return redirect(ctx, "/login")
 	}
 
@@ -163,7 +164,7 @@ func processLogin(ctx echo.Context) error {
 			return errorRes(500, "Cannot check for password", err)
 		}
 		log.Warn().Msg("Invalid HTTP authentication attempt from " + ctx.RealIP())
-		addFlash(ctx, "Invalid credentials", "error")
+		addFlash(ctx, tr(ctx, "flash.auth.invalid-credentials"), "error")
 		return redirect(ctx, "/login")
 	}
 
@@ -178,7 +179,7 @@ func processLogin(ctx echo.Context) error {
 func oauthCallback(ctx echo.Context) error {
 	user, err := gothic.CompleteUserAuth(ctx.Response(), ctx.Request())
 	if err != nil {
-		return errorRes(400, "Cannot complete user auth: "+err.Error(), err)
+		return errorRes(400, tr(ctx, "error.complete-oauth-login", err.Error()), err)
 	}
 
 	currUser := getUserLogged(ctx)
@@ -190,7 +191,7 @@ func oauthCallback(ctx echo.Context) error {
 			return errorRes(500, "Cannot update user "+title.String(user.Provider)+" id", err)
 		}
 
-		addFlash(ctx, "Account linked to "+title.String(user.Provider), "success")
+		addFlash(ctx, tr(ctx, "flash.auth.account-linked-oauth", title.String(user.Provider)), "success")
 		return redirect(ctx, "/settings")
 	}
 
@@ -198,7 +199,7 @@ func oauthCallback(ctx echo.Context) error {
 	userDB, err := db.GetUserByProvider(user.UserID, user.Provider)
 	if err != nil {
 		if getData(ctx, "DisableSignup") == true {
-			return errorRes(403, "Signing up is disabled", nil)
+			return errorRes(403, tr(ctx, "error.signup-disabled"), nil)
 		}
 
 		if !errors.Is(err, gorm.ErrRecordNotFound) {
@@ -216,7 +217,7 @@ func oauthCallback(ctx echo.Context) error {
 
 		if err = userDB.Create(); err != nil {
 			if db.IsUniqueConstraintViolation(err) {
-				addFlash(ctx, "Username "+user.NickName+" already exists in Opengist", "error")
+				addFlash(ctx, tr(ctx, "flash.auth.username-exists"), "error")
 				return redirect(ctx, "/login")
 			}
 
@@ -246,7 +247,7 @@ func oauthCallback(ctx echo.Context) error {
 
 			body, err := io.ReadAll(resp.Body)
 			if err != nil {
-				addFlash(ctx, "Could not get user keys", "error")
+				addFlash(ctx, tr(ctx, "flash.auth.user-sshkeys-not-retrievable"), "error")
 				log.Error().Err(err).Msg("Could not get user keys")
 			}
 
@@ -262,7 +263,7 @@ func oauthCallback(ctx echo.Context) error {
 				}
 
 				if err = sshKey.Create(); err != nil {
-					addFlash(ctx, "Could not create ssh key", "error")
+					addFlash(ctx, tr(ctx, "flash.auth.user-sshkeys-not-created"), "error")
 					log.Error().Err(err).Msg("Could not create ssh key")
 				}
 			}
@@ -360,7 +361,7 @@ func oauth(ctx echo.Context) error {
 				return errorRes(500, "Cannot unlink account from "+title.String(provider), err)
 			}
 
-			addFlash(ctx, "Account unlinked from "+title.String(provider), "success")
+			addFlash(ctx, tr(ctx, "flash.auth.account-unlinked-oauth", title.String(provider)), "success")
 			return redirect(ctx, "/settings")
 		}
 	}
@@ -368,7 +369,7 @@ func oauth(ctx echo.Context) error {
 	ctxValue := context.WithValue(ctx.Request().Context(), gothic.ProviderParamKey, provider)
 	ctx.SetRequest(ctx.Request().WithContext(ctxValue))
 	if provider != GitHubProvider && provider != GitLabProvider && provider != GiteaProvider && provider != OpenIDConnect {
-		return errorRes(400, "Unsupported provider", nil)
+		return errorRes(400, tr(ctx, "error.oauth-unsupported"), nil)
 	}
 
 	gothic.BeginAuthHandler(ctx.Response(), ctx.Request())

internal/web/gist.go

@@ -8,6 +8,7 @@ import (
 	"fmt"
 	"github.com/rs/zerolog/log"
 	"github.com/thomiceli/opengist/internal/git"
+	"github.com/thomiceli/opengist/internal/i18n"
 	"github.com/thomiceli/opengist/internal/index"
 	"github.com/thomiceli/opengist/internal/render"
 	"github.com/thomiceli/opengist/internal/utils"
@@ -139,18 +140,18 @@ func allGists(ctx echo.Context) error {
 	pageInt := getPage(ctx)
 
 	sort := "created"
-	sortText := tr(ctx, "gist.list.sort-by-created")
+	sortText := trH(ctx, "gist.list.sort-by-created")
 	order := "desc"
-	orderText := tr(ctx, "gist.list.order-by-desc")
+	orderText := trH(ctx, "gist.list.order-by-desc")
 
 	if ctx.QueryParam("sort") == "updated" {
 		sort = "updated"
-		sortText = tr(ctx, "gist.list.sort-by-updated")
+		sortText = trH(ctx, "gist.list.sort-by-updated")
 	}
 
 	if ctx.QueryParam("order") == "asc" {
 		order = "asc"
-		orderText = tr(ctx, "gist.list.order-by-asc")
+		orderText = trH(ctx, "gist.list.order-by-asc")
 	}
 
 	setData(ctx, "sort", sortText)
@@ -167,14 +168,14 @@ func allGists(ctx echo.Context) error {
 	if fromUserStr == "" {
 		urlctx := ctx.Request().URL.Path
 		if strings.HasSuffix(urlctx, "search") {
-			setData(ctx, "htmlTitle", "Search results")
+			setData(ctx, "htmlTitle", trH(ctx, "gist.list.search-results"))
 			setData(ctx, "mode", "search")
 			setData(ctx, "searchQuery", ctx.QueryParam("q"))
 			setData(ctx, "searchQueryUrl", template.URL("&q="+ctx.QueryParam("q")))
 			urlPage = "search"
 			gists, err = db.GetAllGistsFromSearch(currentUserId, ctx.QueryParam("q"), pageInt-1, sort, order)
 		} else if strings.HasSuffix(urlctx, "all") {
-			setData(ctx, "htmlTitle", "All gists")
+			setData(ctx, "htmlTitle", trH(ctx, "gist.list.all"))
 			setData(ctx, "mode", "all")
 			urlPage = "all"
 			gists, err = db.GetAllGistsForCurrentUser(currentUserId, pageInt-1, sort, order)
@@ -224,17 +225,17 @@ func allGists(ctx echo.Context) error {
 
 		if liked {
 			urlPage = fromUserStr + "/liked"
-			setData(ctx, "htmlTitle", "All gists liked by "+fromUserStr)
+			setData(ctx, "htmlTitle", trH(ctx, "gist.list.all-liked-by", fromUserStr))
 			setData(ctx, "mode", "liked")
 			gists, err = db.GetAllGistsLikedByUser(fromUser.ID, currentUserId, pageInt-1, sort, order)
 		} else if forked {
 			urlPage = fromUserStr + "/forked"
-			setData(ctx, "htmlTitle", "All gists forked by "+fromUserStr)
+			setData(ctx, "htmlTitle", trH(ctx, "gist.list.all-forked-by", fromUserStr))
 			setData(ctx, "mode", "forked")
 			gists, err = db.GetAllGistsForkedByUser(fromUser.ID, currentUserId, pageInt-1, sort, order)
 		} else {
 			urlPage = fromUserStr
-			setData(ctx, "htmlTitle", "All gists from "+fromUserStr)
+			setData(ctx, "htmlTitle", trH(ctx, "gist.list.all-from", fromUserStr))
 			setData(ctx, "mode", "fromUser")
 			gists, err = db.GetAllGistsFromUser(fromUser.ID, currentUserId, pageInt-1, sort, order)
 		}
@@ -254,7 +255,7 @@ func allGists(ctx echo.Context) error {
 	}
 
 	if err = paginate(ctx, renderedGists, pageInt, 10, "gists", fromUserStr, 2, "&sort="+sort+"&order="+order); err != nil {
-		return errorRes(404, "Page not found", nil)
+		return errorRes(404, tr(ctx, "error.page-not-found"), nil)
 	}
 
 	setData(ctx, "urlPage", urlPage)
@@ -312,11 +313,11 @@ func search(ctx echo.Context) error {
 	if 10*pageInt < int(nbHits) {
 		setData(ctx, "nextPage", pageInt+1)
 	}
-	setData(ctx, "prevLabel", tr(ctx, "pagination.previous"))
+	setData(ctx, "prevLabel", trH(ctx, "pagination.previous"))
-	setData(ctx, "nextLabel", tr(ctx, "pagination.next"))
+	setData(ctx, "nextLabel", trH(ctx, "pagination.next"))
 	setData(ctx, "urlPage", "search")
 	setData(ctx, "urlParams", template.URL("&q="+ctx.QueryParam("q")))
-	setData(ctx, "htmlTitle", "Search results")
+	setData(ctx, "htmlTitle", trH(ctx, "gist.list.search-results"))
 	setData(ctx, "nbHits", nbHits)
 	setData(ctx, "gists", renderedGists)
 	setData(ctx, "langs", langs)
@@ -449,7 +450,7 @@ func revisions(ctx echo.Context) error {
 	}
 
 	if err := paginate(ctx, commits, pageInt, 10, "commits", userName+"/"+gistName+"/revisions", 2); err != nil {
-		return errorRes(404, "Page not found", nil)
+		return errorRes(404, tr(ctx, "error.page-not-found"), nil)
 	}
 
 	emailsSet := map[string]struct{}{}
@@ -468,13 +469,13 @@ func revisions(ctx echo.Context) error {
 	setData(ctx, "page", "revisions")
 	setData(ctx, "revision", "HEAD")
 	setData(ctx, "emails", emailsUsers)
-	setData(ctx, "htmlTitle", "Revision of "+gist.Title)
+	setData(ctx, "htmlTitle", trH(ctx, "gist.revision-of", gist.Title))
 
 	return html(ctx, "revisions.html")
 }
 
 func create(ctx echo.Context) error {
-	setData(ctx, "htmlTitle", "Create a new gist")
+	setData(ctx, "htmlTitle", trH(ctx, "gist.new.create-a-new-gist"))
 	return html(ctx, "create.html")
 }
 
@@ -486,21 +487,21 @@ func processCreate(ctx echo.Context) error {
 
 	err := ctx.Request().ParseForm()
 	if err != nil {
-		return errorRes(400, "Bad request", err)
+		return errorRes(400, tr(ctx, "error.bad-request"), err)
 	}
 
 	dto := new(db.GistDTO)
 	var gist *db.Gist
 
 	if isCreate {
-		setData(ctx, "htmlTitle", "Create a new gist")
+		setData(ctx, "htmlTitle", trH(ctx, "gist.new.create-a-new-gist"))
 	} else {
 		gist = getData(ctx, "gist").(*db.Gist)
-		setData(ctx, "htmlTitle", "Edit "+gist.Title)
+		setData(ctx, "htmlTitle", trH(ctx, "gist.edit.edit-gist", gist.Title))
 	}
 
 	if err := ctx.Bind(dto); err != nil {
-		return errorRes(400, "Cannot bind data", err)
+		return errorRes(400, tr(ctx, "error.cannot-bind-data"), err)
 	}
 
 	dto.Files = make([]db.FileDTO, 0)
@@ -516,7 +517,7 @@ func processCreate(ctx echo.Context) error {
 
 		escapedValue, err := url.QueryUnescape(content)
 		if err != nil {
-			return errorRes(400, "Invalid character unescaped", err)
+			return errorRes(400, tr(ctx, "error.invalid-character-unescaped"), err)
 		}
 
 		dto.Files = append(dto.Files, db.FileDTO{
@@ -527,7 +528,7 @@ func processCreate(ctx echo.Context) error {
 
 	err = ctx.Validate(dto)
 	if err != nil {
-		addFlash(ctx, utils.ValidationMessages(&err), "error")
+		addFlash(ctx, utils.ValidationMessages(&err, getData(ctx, "locale").(*i18n.Locale)), "error")
 		if isCreate {
 			return html(ctx, "create.html")
 		} else {
@@ -610,7 +611,7 @@ func toggleVisibility(ctx echo.Context) error {
 		return errorRes(500, "Error updating this gist", err)
 	}
 
-	addFlash(ctx, "Gist visibility has been changed", "success")
+	addFlash(ctx, tr(ctx, "flash.gist.visibility-changed"), "success")
 	return redirect(ctx, "/"+gist.User.Username+"/"+gist.Identifier())
 }
 
@@ -622,7 +623,7 @@ func deleteGist(ctx echo.Context) error {
 	}
 	gist.RemoveFromIndex()
 
-	addFlash(ctx, "Gist has been deleted", "success")
+	addFlash(ctx, tr(ctx, "flash.gist.deleted"), "success")
 	return redirect(ctx, "/")
 }
 
@@ -662,7 +663,7 @@ func fork(ctx echo.Context) error {
 	}
 
 	if gist.User.ID == currentUser.ID {
-		addFlash(ctx, "Unable to fork own gists", "error")
+		addFlash(ctx, tr(ctx, "flash.gist.fork-own-gist"), "error")
 		return redirect(ctx, "/"+gist.User.Username+"/"+gist.Identifier())
 	}
 
@@ -698,7 +699,7 @@ func fork(ctx echo.Context) error {
 		return errorRes(500, "Error incrementing the fork count", err)
 	}
 
-	addFlash(ctx, "Gist has been forked", "success")
+	addFlash(ctx, tr(ctx, "flash.gist.forked"), "success")
 
 	return redirect(ctx, "/"+currentUser.Username+"/"+newGist.Identifier())
 }
@@ -749,7 +750,7 @@ func edit(ctx echo.Context) error {
 	}
 
 	setData(ctx, "files", files)
-	setData(ctx, "htmlTitle", "Edit "+gist.Title)
+	setData(ctx, "htmlTitle", trH(ctx, "gist.edit.edit-gist", gist.Title))
 
 	return html(ctx, "edit.html")
 }
@@ -810,10 +811,10 @@ func likes(ctx echo.Context) error {
 	}
 
 	if err = paginate(ctx, likers, pageInt, 30, "likers", gist.User.Username+"/"+gist.Identifier()+"/likes", 1); err != nil {
-		return errorRes(404, "Page not found", nil)
+		return errorRes(404, tr(ctx, "error.page-not-found"), nil)
 	}
 
-	setData(ctx, "htmlTitle", "Like for "+gist.Title)
+	setData(ctx, "htmlTitle", trH(ctx, "gist.likes.for", gist.Title))
 	setData(ctx, "revision", "HEAD")
 	return html(ctx, "likes.html")
 }
@@ -834,10 +835,10 @@ func forks(ctx echo.Context) error {
 	}
 
 	if err = paginate(ctx, forks, pageInt, 30, "forks", gist.User.Username+"/"+gist.Identifier()+"/forks", 2); err != nil {
-		return errorRes(404, "Page not found", nil)
+		return errorRes(404, tr(ctx, "error.page-not-found"), nil)
 	}
 
-	setData(ctx, "htmlTitle", "Forks for "+gist.Title)
+	setData(ctx, "htmlTitle", trH(ctx, "gist.forks.for: Forks for %s", gist.Title))
 	setData(ctx, "revision", "HEAD")
 	return html(ctx, "forks.html")
 }
@@ -848,7 +849,7 @@ func checkbox(ctx echo.Context) error {
 
 	i, err := strconv.Atoi(checkboxNb)
 	if err != nil {
-		return errorRes(400, "Invalid number", nil)
+		return errorRes(400, tr(ctx, "error.invalid-number"), nil)
 	}
 
 	gist := getData(ctx, "gist").(*db.Gist)

internal/web/server.go

@@ -523,7 +523,7 @@ func checkRequireLogin(next echo.HandlerFunc) echo.HandlerFunc {
 
 		require := getData(ctx, "RequireLogin")
 		if require == true {
-			addFlash(ctx, "You must be logged in to access gists", "error")
+			addFlash(ctx, tr(ctx, "flash.auth.must-be-logged-in"), "error")
 			return redirect(ctx, "/login")
 		}
 		return next(ctx)

internal/web/settings.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"github.com/thomiceli/opengist/internal/config"
 	"github.com/thomiceli/opengist/internal/git"
+	"github.com/thomiceli/opengist/internal/i18n"
 	"github.com/thomiceli/opengist/internal/utils"
 	"os"
 	"path/filepath"
@@ -28,7 +29,7 @@ func userSettings(ctx echo.Context) error {
 	setData(ctx, "email", user.Email)
 	setData(ctx, "sshKeys", keys)
 	setData(ctx, "hasPassword", user.Password != "")
-	setData(ctx, "htmlTitle", "Settings")
+	setData(ctx, "htmlTitle", trH(ctx, "settings"))
 	return html(ctx, "settings.html")
 }
 
@@ -51,7 +52,7 @@ func emailProcess(ctx echo.Context) error {
 		return errorRes(500, "Cannot update email", err)
 	}
 
-	addFlash(ctx, "Email updated", "success")
+	addFlash(ctx, tr(ctx, "flash.user.email-updated"), "success")
 	return redirect(ctx, "/settings")
 }
 
@@ -70,11 +71,11 @@ func sshKeysProcess(ctx echo.Context) error {
 
 	dto := new(db.SSHKeyDTO)
 	if err := ctx.Bind(dto); err != nil {
-		return errorRes(400, "Cannot bind data", err)
+		return errorRes(400, tr(ctx, "error.cannot-bind-data"), err)
 	}
 
 	if err := ctx.Validate(dto); err != nil {
-		addFlash(ctx, utils.ValidationMessages(&err), "error")
+		addFlash(ctx, utils.ValidationMessages(&err, getData(ctx, "locale").(*i18n.Locale)), "error")
 		return redirect(ctx, "/settings")
 	}
 	key := dto.ToSSHKey()
@@ -83,7 +84,7 @@ func sshKeysProcess(ctx echo.Context) error {
 
 	pubKey, _, _, _, err := ssh.ParseAuthorizedKey([]byte(key.Content))
 	if err != nil {
-		addFlash(ctx, "Invalid SSH key", "error")
+		addFlash(ctx, tr(ctx, "flash.user.invalid-ssh-key"), "error")
 		return redirect(ctx, "/settings")
 	}
 	key.Content = strings.TrimSpace(string(ssh.MarshalAuthorizedKey(pubKey)))
@@ -92,7 +93,7 @@ func sshKeysProcess(ctx echo.Context) error {
 		return errorRes(500, "Cannot add SSH key", err)
 	}
 
-	addFlash(ctx, "SSH key added", "success")
+	addFlash(ctx, tr(ctx, "flash.user.ssh-key-added"), "success")
 	return redirect(ctx, "/settings")
 }
 
@@ -113,7 +114,7 @@ func sshKeysDelete(ctx echo.Context) error {
 		return errorRes(500, "Cannot delete SSH key", err)
 	}
 
-	addFlash(ctx, "SSH key deleted", "success")
+	addFlash(ctx, tr(ctx, "flash.user.ssh-key-deleted"), "success")
 	return redirect(ctx, "/settings")
 }
 
@@ -122,12 +123,12 @@ func passwordProcess(ctx echo.Context) error {
 
 	dto := new(db.UserDTO)
 	if err := ctx.Bind(dto); err != nil {
-		return errorRes(400, "Cannot bind data", err)
+		return errorRes(400, tr(ctx, "error.cannot-bind-data"), err)
 	}
 	dto.Username = user.Username
 
 	if err := ctx.Validate(dto); err != nil {
-		addFlash(ctx, utils.ValidationMessages(&err), "error")
+		addFlash(ctx, utils.ValidationMessages(&err, getData(ctx, "locale").(*i18n.Locale)), "error")
 		return html(ctx, "settings.html")
 	}
 
@@ -141,7 +142,7 @@ func passwordProcess(ctx echo.Context) error {
 		return errorRes(500, "Cannot update password", err)
 	}
 
-	addFlash(ctx, "Password updated", "success")
+	addFlash(ctx, tr(ctx, "flash.user.password-updated"), "success")
 	return redirect(ctx, "/settings")
 }
 
@@ -150,17 +151,17 @@ func usernameProcess(ctx echo.Context) error {
 
 	dto := new(db.UserDTO)
 	if err := ctx.Bind(dto); err != nil {
-		return errorRes(400, "Cannot bind data", err)
+		return errorRes(400, tr(ctx, "error.cannot-bind-data"), err)
 	}
 	dto.Password = user.Password
 
 	if err := ctx.Validate(dto); err != nil {
-		addFlash(ctx, utils.ValidationMessages(&err), "error")
+		addFlash(ctx, utils.ValidationMessages(&err, getData(ctx, "locale").(*i18n.Locale)), "error")
 		return redirect(ctx, "/settings")
 	}
 
 	if exists, err := db.UserExists(dto.Username); err != nil || exists {
-		addFlash(ctx, "Username already exists", "error")
+		addFlash(ctx, tr(ctx, "flash.auth.username-exists"), "error")
 		return redirect(ctx, "/settings")
 	}
 
@@ -180,6 +181,6 @@ func usernameProcess(ctx echo.Context) error {
 		return errorRes(500, "Cannot update username", err)
 	}
 
-	addFlash(ctx, "Username updated", "success")
+	addFlash(ctx, tr(ctx, "flash.user.username-updated"), "success")
 	return redirect(ctx, "/settings")
 }

internal/web/util.go

@@ -158,11 +158,11 @@ func paginate[T any](ctx echo.Context, data []*T, pageInt int, perPage int, temp
 
 	switch labels {
 	case 1:
-		setData(ctx, "prevLabel", tr(ctx, "pagination.previous"))
+		setData(ctx, "prevLabel", trH(ctx, "pagination.previous"))
-		setData(ctx, "nextLabel", tr(ctx, "pagination.next"))
+		setData(ctx, "nextLabel", trH(ctx, "pagination.next"))
 	case 2:
-		setData(ctx, "prevLabel", tr(ctx, "pagination.newer"))
+		setData(ctx, "prevLabel", trH(ctx, "pagination.newer"))
-		setData(ctx, "nextLabel", tr(ctx, "pagination.older"))
+		setData(ctx, "nextLabel", trH(ctx, "pagination.older"))
 	}
 
 	setData(ctx, "urlPage", urlPage)
@@ -170,9 +170,14 @@ func paginate[T any](ctx echo.Context, data []*T, pageInt int, perPage int, temp
 	return nil
 }
 
-func tr(ctx echo.Context, key string) template.HTML {
+func trH(ctx echo.Context, key string, args ...any) template.HTML {
 	l := getData(ctx, "locale").(*i18n.Locale)
-	return l.Tr(key)
+	return l.Tr(key, args...)
+}
+
+func tr(ctx echo.Context, key string, args ...any) string {
+	l := getData(ctx, "locale").(*i18n.Locale)
+	return l.String(key, args...)
 }
 
 func parseSearchQueryStr(query string) (string, map[string]string) {

public/main.ts

@@ -4,10 +4,19 @@ import './opengist.svg';
 import './default.png';
 import dayjs from 'dayjs';
 import relativeTime from 'dayjs/plugin/relativeTime';
+import 'dayjs/locale/cs';
+import 'dayjs/locale/de';
+import 'dayjs/locale/es';
+import 'dayjs/locale/fr';
+import 'dayjs/locale/hu';
+import 'dayjs/locale/pt';
+import 'dayjs/locale/ru';
+import 'dayjs/locale/zh';
 import localizedFormat from 'dayjs/plugin/localizedFormat';
 
 dayjs.extend(relativeTime);
 dayjs.extend(localizedFormat);
+dayjs.locale(window.opengist_locale || 'en');
 
 document.addEventListener('DOMContentLoaded', () => {
     const themeMenu = document.getElementById('theme-menu')!;

templates/base/base_header.html

@@ -11,6 +11,7 @@
 
     <script>
         window.opengist_base_url = "{{ $.c.ExternalUrl }}";
+        window.opengist_locale = "{{ .locale.Code }}".substring(0, 2);
         const checkTheme = () => {
             if (localStorage.theme === 'dark' || (!('theme' in localStorage) && window.matchMedia('(prefers-color-scheme: dark)').matches)) {
                 document.documentElement.classList.add('dark')