Try i18n translations

go.mod

@@ -1,6 +1,8 @@
 module rminder
 
-go 1.22.0
+go 1.24.0
+
+toolchain go1.24.2
 
 require (
 	github.com/coreos/go-oidc/v3 v3.12.0
@@ -38,6 +40,7 @@ require (
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/ncruces/go-strftime v0.1.9 // indirect
+	github.com/nicksnyder/go-i18n/v2 v2.6.1 // indirect
 	github.com/pelletier/go-toml/v2 v2.2.2 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
 	github.com/rogpeppe/go-internal v1.12.0 // indirect
@@ -47,7 +50,7 @@ require (
 	golang.org/x/crypto v0.31.0 // indirect
 	golang.org/x/net v0.33.0 // indirect
 	golang.org/x/sys v0.28.0 // indirect
-	golang.org/x/text v0.21.0 // indirect
+	golang.org/x/text v0.32.0 // indirect
 	google.golang.org/protobuf v1.34.1 // indirect
 	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect

go.sum

@@ -77,6 +77,8 @@ github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9G
 github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
 github.com/ncruces/go-strftime v0.1.9 h1:bY0MQC28UADQmHmaF5dgpLmImcShSi2kHU9XLdhx/f4=
 github.com/ncruces/go-strftime v0.1.9/go.mod h1:Fwc5htZGVVkseilnfgOVb9mKy6w1naJmn9CehxcKcls=
+github.com/nicksnyder/go-i18n/v2 v2.6.1 h1:JDEJraFsQE17Dut9HFDHzCoAWGEQJom5s0TRd17NIEQ=
+github.com/nicksnyder/go-i18n/v2 v2.6.1/go.mod h1:Vee0/9RD3Quc/NmwEjzzD7VTZ+Ir7QbXocrkhOzmUKA=
 github.com/pelletier/go-toml/v2 v2.2.2 h1:aYUidT7k73Pcl9nb2gScu7NSrKCSHIDE89b3+6Wq+LM=
 github.com/pelletier/go-toml/v2 v2.2.2/go.mod h1:1t835xjRzz80PqgE6HHgN2JOsmgYu/h4qDAS4n929Rs=
 github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e/go.mod h1:pJLUxLENpZxwdsKMEsNbx1VGcRFpLqf3715MtcvvzbA=
@@ -116,14 +118,18 @@ golang.org/x/oauth2 v0.21.0 h1:tsimM75w1tF/uws5rbeHzIWxEqElMehnc+iW793zsZs=
 golang.org/x/oauth2 v0.21.0/go.mod h1:XYTD2NtWslqkgxebSiOHnXEap4TF09sJSc7H1sXbhtI=
 golang.org/x/sync v0.10.0 h1:3NQrjDixjgGwUOCaF8w2+VYHv0Ve/vGYSbdkTa98gmQ=
 golang.org/x/sync v0.10.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+golang.org/x/sync v0.19.0 h1:vV+1eWNmZ5geRlYjzm2adRgW2/mcpevXNg50YZtPCE4=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.28.0 h1:Fksou7UEQUWlKvIdsqzJmUmCX3cZuD2+P3XyyzwMhlA=
 golang.org/x/sys v0.28.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/text v0.21.0 h1:zyQAAkrwaneQ066sspRyJaG9VNi/YJ1NfzcGB3hZ/qo=
 golang.org/x/text v0.21.0/go.mod h1:4IBbMaMmOPCJ8SecivzSH54+73PCFmPWxNTLm+vZkEQ=
+golang.org/x/text v0.32.0 h1:ZD01bjUt1FQ9WJ0ClOL5vxgxOI/sVCNgX1YtKwcY0mU=
+golang.org/x/text v0.32.0/go.mod h1:o/rUWzghvpD5TXrTIBuJU77MTaN0ljMWE47kxGJQ7jY=
 golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d h1:vU5i/LfpvrRCpgM/VPfJLg5KjxD3E+hfT1SH+d9zLwg=
 golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d/go.mod h1:aiJjzUbINMkxbQROHiO6hDPo2LHcIPhhQsa9DLh0yGk=
+golang.org/x/tools v0.39.0 h1:ik4ho21kwuQln40uelmciQPp9SipgNDdrafrYA4TmQQ=
 google.golang.org/protobuf v1.34.1 h1:9ddQBjfCyZPOHPUiPxpYESBLc+T8P3E+Vo4IbKZgFWg=
 google.golang.org/protobuf v1.34.1/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=

internal/app/context.go

@@ -6,6 +6,7 @@ import (
 	"rminder/internal/pkg/logger"
 
 	"github.com/gin-gonic/gin"
+	"github.com/nicksnyder/go-i18n/v2/i18n"
 )
 
 func SetUserDatabase(ctx *gin.Context, db database.Service) {
@@ -43,3 +44,11 @@ func GetCSRFToken(ctx *gin.Context) string {
 func GetRequestID(ctx *gin.Context) string {
 	return ctx.GetString("request_id")
 }
+
+func GetLocalizer(ctx *gin.Context) *i18n.Localizer {
+	val, exists := ctx.Get("localizer")
+	if !exists {
+		return nil
+	}
+	return val.(*i18n.Localizer)
+}

internal/app/index.go

@@ -21,7 +21,7 @@ func LandingPageLoadHandler(s *App) gin.HandlerFunc {
 
 		ctx.Writer.Header().Set("Content-Type", "text/html; charset=utf-8")
 
-		err := web.Render(ctx.Writer, "home-page", map[string]any{
+		err := web.Render(ctx, "home-page", map[string]any{
 			"UserExists": userExists,
 		})
 		if err != nil {

internal/handlers/language/language.go

@@ -0,0 +1,33 @@
+package language
+
+import (
+	"net/http"
+	i18npkg "rminder/internal/i18n"
+
+	"github.com/gin-gonic/gin"
+)
+
+func Set(ctx *gin.Context) {
+	lang := ctx.Param("lang")
+
+	supported := false
+	for _, l := range i18npkg.SupportedLanguages {
+		if l.Code == lang {
+			supported = true
+			break
+		}
+	}
+
+	if !supported {
+		ctx.Status(http.StatusBadRequest)
+		return
+	}
+
+	ctx.SetCookie("lang", lang, 365*24*3600, "/", "", false, false)
+
+	referer := ctx.GetHeader("Referer")
+	if referer == "" {
+		referer = "/"
+	}
+	ctx.Redirect(http.StatusFound, referer)
+}

internal/handlers/tasks/lists.go

@@ -35,7 +35,7 @@ func GetLists(ctx *gin.Context) {
 
 	ctx.Writer.Header().Set("Content-Type", "text/html; charset=utf-8")
 
-	err = web.Render(ctx.Writer, "sidebar-lists", map[string]any{
+	err = web.Render(ctx, "sidebar-lists", map[string]any{
 		"Lists":       lists,
 		"Persistence": persistence,
 	})
@@ -97,13 +97,13 @@ func GetList(ctx *gin.Context) {
 	ctx.Writer.Header().Set("Content-Type", "text/html; charset=utf-8")
 
 	if list.FilterBy == "" {
-		err = web.Render(ctx.Writer, "lists-content", map[string]any{
+		err = web.Render(ctx, "lists-content", map[string]any{
 			"List":        list,
 			"Persistence": persistence,
 			"IsMultilist": false,
 		})
 	} else {
-		err = web.Render(ctx.Writer, "multi-list-content", map[string]any{
+		err = web.Render(ctx, "multi-list-content", map[string]any{
 			"Lists":       lists,
 			"Title":       list.Name,
 			"Persistence": persistence,
@@ -182,7 +182,7 @@ func CreateList(ctx *gin.Context) {
 	}
 
 	ctx.Writer.Header().Set("Content-Type", "text/html; charset=utf-8")
-	err = web.Render(ctx.Writer, "sidebar-lists", map[string]any{
+	err = web.Render(ctx, "sidebar-lists", map[string]any{
 		"Lists":       lists,
 		"Persistence": persistence,
 	})
@@ -241,7 +241,7 @@ func DeleteList(ctx *gin.Context) {
 	}
 
 	ctx.Writer.Header().Set("Content-Type", "text/html; charset=utf-8")
-	err = web.Render(ctx.Writer, "sidebar-lists", map[string]any{
+	err = web.Render(ctx, "sidebar-lists", map[string]any{
 		"Lists":       lists,
 		"Persistence": persistence,
 	})
@@ -316,7 +316,7 @@ func UpdateList(ctx *gin.Context) {
 	}
 
 	ctx.Writer.Header().Set("Content-Type", "text/html; charset=utf-8")
-	err = web.Render(ctx.Writer, "sidebar-lists", map[string]any{
+	err = web.Render(ctx, "sidebar-lists", map[string]any{
 		"Lists":       lists,
 		"Persistence": persistence,
 	})
@@ -373,7 +373,7 @@ func SearchLists(ctx *gin.Context) {
 
 	ctx.Writer.Header().Set("Content-Type", "text/html; charset=utf-8")
 
-	err = web.Render(ctx.Writer, "multi-list-content", map[string]any{
+	err = web.Render(ctx, "multi-list-content", map[string]any{
 		"Lists":       lists,
 		"Title":       "Search Results",
 		"Persistence": persistence,

internal/handlers/tasks/tasks.go

@@ -50,7 +50,7 @@ func Load(ctx *gin.Context) {
 
 	ctx.Writer.Header().Set("Content-Type", "text/html; charset=utf-8")
 
-	err = web.Render(ctx.Writer, "tasks-page", map[string]any{
+	err = web.Render(ctx, "tasks-page", map[string]any{
 		"Lists":       lists,
 		"MultiList":   multiList,
 		"Persistence": persistence,
@@ -98,7 +98,7 @@ func GetTasks(ctx *gin.Context) {
 
 	if slug == "" {
 		ctx.Writer.Header().Set("Content-Type", "text/html; charset=utf-8")
-		err = web.Render(ctx.Writer, "tasks-page", map[string]any{
+		err = web.Render(ctx, "tasks-page", map[string]any{
 			"Lists":       lists,
 			"MultiList":   ([]*database.List)(nil),
 			"Persistence": persistence,
@@ -109,7 +109,7 @@ func GetTasks(ctx *gin.Context) {
 		}
 	} else {
 		ctx.Writer.Header().Set("Content-Type", "text/html; charset=utf-8")
-		err = web.Render(ctx.Writer, "task-list", map[string]any{
+		err = web.Render(ctx, "task-list", map[string]any{
 			"Tasks":        tasks,
 			"SelectedTask": persistence.TaskId,
 		})
@@ -153,7 +153,9 @@ func GetTask(ctx *gin.Context) {
 	}
 
 	ctx.Writer.Header().Set("Content-Type", "text/html; charset=utf-8")
-	err = web.Render(ctx.Writer, "details", task)
+	err = web.Render(ctx, "details", map[string]any{
+		"Task": task,
+	})
 	if err != nil {
 		log.Error("error rendering in TaskList", "error", err)
 		app.ErrorInternalHTML(ctx, "Failed to render task details.")
@@ -207,7 +209,7 @@ func CreateTask(ctx *gin.Context) {
 	}
 
 	ctx.Writer.Header().Set("Content-Type", "text/html; charset=utf-8")
-	err = web.Render(ctx.Writer, "task-list", map[string]any{
+	err = web.Render(ctx, "task-list", map[string]any{
 		"Tasks":        tasks,
 		"SelectedTask": persistence.TaskId,
 	})
@@ -320,11 +322,11 @@ func UpdateTask(ctx *gin.Context) {
 		ctx.Writer.Header().Set("Content-Type", "text/html; charset=utf-8")
 
 		if slug == "important" {
-			err = web.Render(ctx.Writer, "task-important-elem", task)
+			err = web.Render(ctx, "task-important-elem", map[string]any{"Task": task})
 		} else if slug == "completed" {
-			err = web.Render(ctx.Writer, "task-completed-elem", task)
+			err = web.Render(ctx, "task-completed-elem", map[string]any{"Task": task})
 		} else {
-			err = web.Render(ctx.Writer, "task", map[string]any{
+			err = web.Render(ctx, "task", map[string]any{
 				"Task":         task,
 				"SelectedTask": persistence.TaskId,
 			})

internal/i18n/i18n.go

@@ -0,0 +1,42 @@
+package i18n
+
+import (
+	"embed"
+	"encoding/json"
+
+	"github.com/nicksnyder/go-i18n/v2/i18n"
+	"golang.org/x/text/language"
+)
+
+//go:embed locales/*.json
+var localeFS embed.FS
+
+var Bundle *i18n.Bundle
+
+type Language struct {
+	Code string
+	Name string
+}
+
+var SupportedLanguages = []Language{
+	{Code: "en", Name: "English"},
+	{Code: "pt", Name: "Português"},
+}
+
+func init() {
+	Bundle = i18n.NewBundle(language.English)
+	Bundle.RegisterUnmarshalFunc("json", json.Unmarshal)
+
+	entries, err := localeFS.ReadDir("locales")
+	if err != nil {
+		panic("i18n: failed to read locales directory: " + err.Error())
+	}
+
+	for _, entry := range entries {
+		data, err := localeFS.ReadFile("locales/" + entry.Name())
+		if err != nil {
+			panic("i18n: failed to read locale file " + entry.Name() + ": " + err.Error())
+		}
+		Bundle.MustParseMessageFileBytes(data, entry.Name())
+	}
+}

internal/i18n/locales/en.json

@@ -0,0 +1,56 @@
+{
+  "add_task": "Add a task",
+  "add": "Add",
+  "rename": "Rename",
+  "priority": "Priority",
+  "start_date": "Start Date",
+  "due_date": "Due Date",
+  "to": "to",
+  "start": "Start",
+  "due": "Due",
+  "set_as_complete": "Set it as complete",
+  "set_as_important": "Set it as important",
+  "delete_task_warning": "Task will be permanently deleted, you won't be able to undo this action.",
+  "cancel": "Cancel",
+  "delete_task": "Delete task",
+  "toggle_sidebar": "Toggle sidebar",
+  "search": "Search",
+  "search_results": "Search Results",
+  "my_lists": "My lists",
+  "add_list": "Add list",
+  "pin": "Pin",
+  "filters": "Filters",
+  "include": "Include",
+  "no_filter": "No Filter",
+  "any": "Any",
+  "all": "All",
+  "completed": "Completed",
+  "yes": "Yes",
+  "no": "No",
+  "important": "Important",
+  "date": "Date",
+  "no_date": "No Date",
+  "today": "Today",
+  "with_date": "With Date",
+  "on_date": "On Date",
+  "before_date": "Before a Date",
+  "after_date": "After a Date",
+  "on_range": "On Range",
+  "start_range": "Start Range",
+  "end_range": "End Range",
+  "delete": "Delete",
+  "home": "Home",
+  "tasks": "Tasks",
+  "import": "Import",
+  "export": "Export",
+  "select_data_file": "Select data file",
+  "upload": "Upload",
+  "next_prev_task": "Next/Previous Task",
+  "next_prev_list": "Next/Previous List",
+  "new_task": "New Task",
+  "new_list": "New List",
+  "toggle_task_completion": "Toggle Task Completion",
+  "toggle_task_importance": "Toggle Task Importance",
+  "switch_task_priority": "Switch Task Priority",
+  "no_tasks_found": "No Tasks Were Found"
+}

internal/i18n/locales/pt.json

@@ -0,0 +1,56 @@
+{
+  "add_task": "Adicionar tarefa",
+  "add": "Adicionar",
+  "rename": "Renomear",
+  "priority": "Prioridade",
+  "start_date": "Data de início",
+  "due_date": "Data de prazo",
+  "to": "até",
+  "start": "Início",
+  "due": "Prazo",
+  "set_as_complete": "Marcar como concluída",
+  "set_as_important": "Marcar como importante",
+  "delete_task_warning": "A tarefa será excluída permanentemente, não será possível desfazer esta ação.",
+  "cancel": "Cancelar",
+  "delete_task": "Excluir tarefa",
+  "toggle_sidebar": "Alternar barra lateral",
+  "search": "Pesquisar",
+  "search_results": "Resultados da pesquisa",
+  "my_lists": "Minhas listas",
+  "add_list": "Adicionar lista",
+  "pin": "Fixar",
+  "filters": "Filtros",
+  "include": "Incluir",
+  "no_filter": "Sem filtro",
+  "any": "Qualquer",
+  "all": "Todos",
+  "completed": "Concluída",
+  "yes": "Sim",
+  "no": "Não",
+  "important": "Importante",
+  "date": "Data",
+  "no_date": "Sem data",
+  "today": "Hoje",
+  "with_date": "Com data",
+  "on_date": "Em data",
+  "before_date": "Antes de uma data",
+  "after_date": "Após uma data",
+  "on_range": "Em intervalo",
+  "start_range": "Início do intervalo",
+  "end_range": "Fim do intervalo",
+  "delete": "Excluir",
+  "home": "Início",
+  "tasks": "Tarefas",
+  "import": "Importar",
+  "export": "Exportar",
+  "select_data_file": "Selecionar arquivo de dados",
+  "upload": "Enviar",
+  "next_prev_task": "Próxima/Anterior Tarefa",
+  "next_prev_list": "Próxima/Anterior Lista",
+  "new_task": "Nova Tarefa",
+  "new_list": "Nova Lista",
+  "toggle_task_completion": "Alternar Conclusão da Tarefa",
+  "toggle_task_importance": "Alternar Importância da Tarefa",
+  "switch_task_priority": "Mudar Prioridade da Tarefa",
+  "no_tasks_found": "Nenhuma Tarefa Encontrada"
+}