add checker for already exists widget in user

infrastructure/pg/connection.go

@@ -49,6 +49,19 @@ func (pg *Postgres) Select(ctx context.Context, query string, args ...interface{
 	return result, nil
 }
 
+func (pg *Postgres) SelectOne(ctx context.Context, query string, args ...interface{}) (pgx.Row, error) {
+	rows, err := pg.Select(ctx, query, args...)
+	if err != nil {
+		return nil, err
+	}
+
+	if !rows.Next() {
+		return nil, nil
+	}
+
+	return rows, nil
+}
+
 func (pg *Postgres) Update(ctx context.Context, query string, args ...interface{}) error {
 	_, err := pg.db.Query(ctx, query, args...)
 	if err != nil {

internal/api/http/handlers/widget/widget.go

@@ -21,7 +21,7 @@ import (
 // @Failure 400 {object} echo.HTTPError "Bad request"
 // @Failure 401 {object} echo.HTTPError "Unauthorized or expired token"
 // @Failure 422 {object} echo.HTTPError "Validation error"
-// @Router /widget [post]
+// @Router /widgets [post]
 func CreateWidget(widgetService model.WidgetService) echo.HandlerFunc {
 	return func(request echo.Context) error {
 		ctx := context.Background()

internal/app/http/app.go

@@ -84,7 +84,7 @@ func IncludeWidgetHandlers(
 	server *echo.Echo,
 	widgetService model.WidgetService,
 ) {
-	server.POST(PREFIX+"/files", widget.CreateWidget(widgetService))
+	server.POST(PREFIX+"/widgets", widget.CreateWidget(widgetService))
 
 	//server.GET(PREFIX+"/html/:streamerID", model.GetWidgetHTML(widgetService))
 	//server.GET(PREFIX+"/info/:widgetID", model.GetWidgetInfo(widgetService))

internal/docs/docs.go

@@ -508,7 +508,7 @@ const docTemplate = `{
                 }
             }
         },
-        "/widget": {
+        "/widgets": {
             "post": {
                 "security": [
                     {

internal/docs/swagger.json

@@ -501,7 +501,7 @@
                 }
             }
         },
-        "/widget": {
+        "/widgets": {
             "post": {
                 "security": [
                     {

internal/docs/swagger.yaml

@@ -464,7 +464,7 @@ paths:
       summary: Update donat voice settings.
       tags:
       - Donate
-  /widget:
+  /widgets:
     post:
       consumes:
       - application/json

internal/model/interfaces.go

@@ -44,6 +44,7 @@ type WidgetRepo interface {
 		audio string,
 		name string,
 	) (WidgetID, error)
+	CheckWidgetName(ctx context.Context, streamerID int, name string) (bool, error)
 
 	//GetWidgetByStreamerID(ctx context.Context, streamerID StreamerID) ([]*Widget, error)
 	//GetWidgetByID(ctx context.Context, widgetID WidgetID) ([]*Widget, error)
@@ -128,6 +129,7 @@ type PaymentClient interface {
 type Db interface {
 	Insert(ctx context.Context, query string, args ...interface{}) (any, error)
 	Select(ctx context.Context, query string, args ...interface{}) (pgx.Rows, error)
+	SelectOne(ctx context.Context, query string, args ...interface{}) (pgx.Row, error)
 	Delete(ctx context.Context, query string, args ...interface{}) error
 	Update(ctx context.Context, query string, args ...interface{}) error
 
@@ -147,11 +149,6 @@ type FileRepo interface {
 		file multipart.FileHeader,
 		extension, fileType string,
 	) (string, error)
-	CheckFileExists(
-		ctx context.Context,
-		streamerID int,
-		fileName, extension, fileType string,
-	) (bool, error)
 }
 
 type FileService interface {

internal/model/sql/query.go

@@ -6,8 +6,8 @@ import (
 )
 
 var CreateWidget = `
-INSERT INTO widgets (streamer_id, template_id, background, image, audio, duration, min_amount, name)
-VALUES (@streamer_id, @template_id, @background, @image, @audio, @duration, @min_amount, @name)
+INSERT INTO widgets (streamer_id, template_id, image, audio, duration, min_amount, name)
+VALUES (@streamer_id, @template_id, @image, @audio, @duration, @min_amount, @name)
 RETURNING id;
 `
 
@@ -120,9 +120,9 @@ INSERT INTO files (streamer_id, file_name, file_type, extension)
 VALUES 
 (@streamer_id, @file_name, @file_type, @extension)
 RETURNING id;
-;`
+`
 
-var GetFileExists = `SELECT id FROM files WHERE (
+var GetWidgetByName = `SELECT id FROM widgets WHERE (
     streamer_id = @streamer_id AND 
-    file_name = @file_name AND file_type = @file_type AND extension = @extension
-;`
+    name = @name);
+`

internal/repository/file/file.go

@@ -5,7 +5,6 @@ import (
 	"donat-widget/internal/model"
 	"donat-widget/internal/model/sql"
 	"fmt"
-	"github.com/georgysavva/scany/v2/pgxscan"
 	"github.com/google/uuid"
 	"github.com/jackc/pgx/v5"
 	"mime/multipart"
@@ -57,30 +56,3 @@ func (fileRepo *RepoFile) AddNew(
 
 	return fileID, nil
 }
-
-func (fileRepo *RepoFile) CheckFileExists(
-	ctx context.Context,
-	streamerID int,
-	fileName, extension, fileType string,
-) (bool, error) {
-	args := pgx.NamedArgs{
-		"streamer_id": streamerID,
-		"file_name":   fileName,
-		"file_type":   fileType,
-		"extension":   extension,
-	}
-
-	rows, err := fileRepo.db.Select(ctx, sql.GetFileExists, args)
-	if err != nil {
-		return false, err
-	}
-
-	var fileId [][16]uint8
-	err = pgxscan.ScanOne(fileId, rows)
-	if err != nil {
-		return false, nil
-	}
-
-	return true, nil
-
-}

internal/repository/widget/widget.go

@@ -50,7 +50,29 @@ func (widgetRepo *RepoWidget) CreateWidget(
 		return 0, err
 	}
 
-	return model.WidgetID(widgetID.(int)), nil
+	return model.WidgetID(widgetID.(int32)), nil
+}
+
+func (widgetRepo *RepoWidget) CheckWidgetName(
+	ctx context.Context,
+	streamerID int,
+	name string,
+) (bool, error) {
+	args := pgx.NamedArgs{
+		"streamer_id": streamerID,
+		"name":        name,
+	}
+	row, err := widgetRepo.db.SelectOne(ctx, sql.GetWidgetByName, args)
+	if err != nil {
+		slog.Error(err.Error())
+		return false, err
+	}
+
+	if row == nil {
+		return false, nil
+	}
+
+	return true, nil
 }
 
 //

internal/service/widget/widget.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"donat-widget/internal/model"
 	"donat-widget/internal/model/api"
+	"fmt"
 	"github.com/labstack/echo/v4"
 	"log/slog"
 	"net/http"
@@ -38,6 +39,16 @@ func (widgetService *ServiceWidget) CreateWidget(
 	audio string,
 	name string,
 ) (model.WidgetID, error) {
+	exists, err := widgetService.widgetRepo.CheckWidgetName(ctx, streamerID, name)
+	if err != nil {
+		return 0, err
+	}
+	fmt.Println(exists)
+	if exists == true {
+		slog.Error("Widget with name %s already exists", name)
+		return 0, fmt.Errorf("widget with name %s already exists", name)
+	}
+
 	widgetID, err := widgetService.widgetRepo.CreateWidget(
 		ctx,
 		streamerID,