init(api): add getting total quotes count

web/api/handlers.go

@@ -162,6 +162,17 @@ func quotesGet(c *gin.Context) {
 	c.JSON(http.StatusOK, quotes)
 }
 
+func quotesCount(c *gin.Context) {
+	user_id := c.GetString("user_id")
+	count, err := db.QuotesCount(context.Background(), user_id)
+	if err != nil {
+		status, message := handleDBError(err)
+		c.JSON(status, gin.H{"error": message})
+		return
+	}
+	c.JSON(http.StatusOK, gin.H{"count": count})
+}
+
 func quoteGet(c *gin.Context) {
 	user_id := c.GetString("user_id")
 	quote_id := c.Param("id")

web/api/routes.go

@@ -26,6 +26,7 @@ func RegisterRoutes(r *gin.Engine) {
 		api.DELETE("/auth", userLogout)
 
 		api.GET("/quotes", MiddlewareAuth, quotesGet)
+		api.GET("/quotes/count", MiddlewareAuth, quotesCount)
 		api.POST("/quotes", MiddlewareAuth, quoteAdd)
 		api.GET("/quotes/:id", MiddlewareAuth, quoteGet)
 		api.PATCH("/quotes/:id", MiddlewareAuth, quoteUpdate)

web/db/db.go

@@ -134,6 +134,12 @@ func QuotesGet(ctx context.Context, user_id string, filter string, sort string,
 	return
 }
 
+func QuotesCount(ctx context.Context, user_id string) (count int, err error) {
+	row := ConnPool.QueryRow(ctx, "SELECT count(*) FROM quotes_get($1)", user_id)
+	err = row.Scan(&count)
+	return
+}
+
 func QuoteGet(ctx context.Context, user_id string, quote_id string) (quote models.Quote, err error) {
 	row := ConnPool.QueryRow(ctx, "SELECT * FROM quote_get($1, $2)", user_id, quote_id)
 	err = row.Scan(&quote.ID, &quote.Text, &quote.Author, &quote.Datetime, &quote.Creator.ID, &quote.Creator.Name, &quote.Creator.Login, &quote.Creator.Role, &quote.Creator.TelegramID)