feat: add customer list, modify pagination utils

app/utils/query/find/find.go

@@ -1,7 +1,6 @@
 package find
 
 import (
-	"errors"
 	"reflect"
 	"strings"
 
@@ -28,18 +27,13 @@ type Found[T any] struct {
 	Spec  map[string]interface{} `json:"spec,omitempty"`
 }
 
-// Wraps given query adding limit, offset clauses and SQL_CALC_FOUND_ROWS to it
-// and running SELECT FOUND_ROWS() afterwards to fetch the total number
-// (ignoring LIMIT) of results. The final results are wrapped into the
-// [find.Found] type.
 func Paginate[T any](langID uint, paging Paging, stmt *gorm.DB) (Found[T], error) {
 	var items []T
-	var count uint64
+	var count int64
 
-	// stmt.Debug()
+	stmt.Count(&count)
 
 	err := stmt.
-		Clauses(SqlCalcFound()).
 		Offset(paging.Offset()).
 		Limit(paging.Limit()).
 		Find(&items).
@@ -48,14 +42,6 @@ func Paginate[T any](langID uint, paging Paging, stmt *gorm.DB) (Found[T], error
 		return Found[T]{}, err
 	}
 
-	countInterface, ok := stmt.Get(FOUND_ROWS_CTX_KEY)
-	if !ok {
-		return Found[T]{}, errors.New(FOUND_ROWS_CTX_KEY + " value was not found in the gorm db context")
-	}
-	if count, ok = countInterface.(uint64); !ok {
-		return Found[T]{}, errors.New("failed to cast value under " + FOUND_ROWS_CTX_KEY + " to uint64")
-	}
-
 	columnsSpec := GetColumnsSpec[T](langID)
 
 	return Found[T]{