Support for password resets

users/handler/read_by_email.go

@@ -0,0 +1,36 @@
+package handler
+
+import (
+	"context"
+	"strings"
+
+	"github.com/micro/micro/v3/service/errors"
+	"github.com/micro/micro/v3/service/logger"
+	pb "github.com/micro/services/users/proto"
+)
+
+// Read users using email
+func (u *Users) ReadByEmail(ctx context.Context, req *pb.ReadByEmailRequest, rsp *pb.ReadByEmailResponse) error {
+	// validate the request
+	if len(req.Emails) == 0 {
+		return ErrMissingEmails
+	}
+	emails := make([]string, len(req.Emails))
+	for i, e := range req.Emails {
+		emails[i] = strings.ToLower(e)
+	}
+
+	// query the database
+	var users []User
+	if err := u.DB.Model(&User{}).Where("lower(email) IN (?)", emails).Find(&users).Error; err != nil {
+		logger.Errorf("Error reading from the database: %v", err)
+		return errors.InternalServerError("DATABASE_ERROR", "Error connecting to the database")
+	}
+
+	// serialize the response
+	rsp.Users = make(map[string]*pb.User, len(users))
+	for _, u := range users {
+		rsp.Users[u.Email] = u.Serialize()
+	}
+	return nil
+}