feat: searching on customer list

app/repos/customerRepo/customerRepo.go

@@ -1,6 +1,8 @@
 package customerRepo
 
 import (
+	"strings"
+
 	"git.ma-al.com/goc_daniel/b2b/app/db"
 	"git.ma-al.com/goc_daniel/b2b/app/model"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/query/filters"
@@ -11,7 +13,7 @@ type UICustomerRepo interface {
 	Get(id uint) (*model.Customer, error)
 	GetByEmail(email string) (*model.Customer, error)
 	GetByExternalProviderId(provider model.AuthProvider, id string) (*model.Customer, error)
-	Find(langId uint, p find.Paging, filt *filters.FiltersList) (*find.Found[model.UserInList], error)
+	Find(langId uint, p find.Paging, filt *filters.FiltersList, search string) (*find.Found[model.UserInList], error)
 	Save(customer *model.Customer) error
 	Create(customer *model.Customer) error
 }
@@ -57,17 +59,46 @@ func (repo *CustomerRepo) GetByExternalProviderId(provider model.AuthProvider, i
 	return &customer, err
 }
 
-func (repo *CustomerRepo) Find(langId uint, p find.Paging, filt *filters.FiltersList) (*find.Found[model.UserInList], error) {
-	found, err := find.Paginate[model.UserInList](langId, p, db.DB.
+func (repo *CustomerRepo) Find(langId uint, p find.Paging, filt *filters.FiltersList, search string) (*find.Found[model.UserInList], error) {
+
+	query := db.DB.
 		Table("b2b_customers AS users").
 		Select(`
 			users.id AS id,
 			users.email AS email,
 			users.first_name AS first_name,
 			users.last_name AS last_name
-		`).
-		Scopes(filt.All()...),
-	)
+		`)
+
+	if search != "" {
+		words := strings.Fields(search)
+		if len(words) > 5 {
+			words = words[:5]
+		}
+		var conditions []string
+		var args []interface{}
+		for _, word := range words {
+
+			conditions = append(conditions, `
+			(LOWER(first_name) LIKE ? OR
+			 LOWER(last_name) LIKE ? OR
+			 LOWER(email) LIKE ?)
+		`)
+
+			for range 3 {
+				args = append(args, "%"+strings.ToLower(word)+"%")
+			}
+		}
+
+		conditionsQuery := strings.Join(conditions, " AND ")
+
+		query = query.Where(conditionsQuery, args...)
+
+	}
+
+	query = query.Scopes(filt.All()...)
+
+	found, err := find.Paginate[model.UserInList](langId, p, query)
 
 	return &found, err
 }