Enhance customer search functionality by adding filters for full name, email, and role.

internal/customer/repository.go

@@ -4,6 +4,8 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"regexp"
+	"strings"
 	"time"
 	"tm/pkg/logger"
 	orm "tm/pkg/mongo"
@@ -370,7 +372,30 @@ func (r *customerRepository) Search(ctx context.Context, form *SearchCustomersFo
 	filter := bson.M{}
 
 	if form.Search != nil {
-		filter["$text"] = bson.M{"$search": *form.Search}
+		search := strings.TrimSpace(*form.Search)
+		if search != "" {
+			filter["$text"] = bson.M{"$search": search}
+		}
+	}
+
+	if form.FullName != nil {
+		fullName := strings.TrimSpace(*form.FullName)
+		if fullName != "" {
+			filter["full_name"] = bson.M{
+				"$regex":   regexp.QuoteMeta(fullName),
+				"$options": "i",
+			}
+		}
+	}
+
+	if form.Email != nil {
+		email := strings.TrimSpace(*form.Email)
+		if email != "" {
+			filter["email"] = bson.M{
+				"$regex":   regexp.QuoteMeta(email),
+				"$options": "i",
+			}
+		}
 	}
 
 	if form.Type != nil {
@@ -381,8 +406,15 @@ func (r *customerRepository) Search(ctx context.Context, form *SearchCustomersFo
 		filter["status"] = *form.Status
 	}
 
+	if form.Role != nil {
+		filter["role"] = *form.Role
+	}
+
 	if form.CompanyID != nil {
-		filter["company_id"] = *form.CompanyID
+		companyID := strings.TrimSpace(*form.CompanyID)
+		if companyID != "" {
+			filter["companies"] = companyID
+		}
 	}
 
 	mongoPagination, err := orm.BuildListPagination(