splitted one operator module to file, account, image operators; splitted operator functions; etc

app/accoper/creategrant.go

@@ -0,0 +1,98 @@
+package accoper
+
+import (
+	"context"
+	"fmt"
+	"regexp"
+
+	"mstore/pkg/auxtool"
+	"mstore/pkg/auxuuid"
+	"mstore/pkg/descr"
+)
+
+// CreateGrant
+type CreateGrantParams struct {
+	AccountID string `json:"accountID"`
+	Username  string `json:"username"`
+	Right     string `json:"operation"`
+	Pattern   string `json:"pattern"`
+}
+type CreateGrantResult struct {
+	GrantID string `json:"grantId"`
+}
+
+func (oper *Operator) CreateGrant(ctx context.Context, operatorID string, params *CreateGrantParams) (*CreateGrantResult, error) {
+	var err error
+	res := &CreateGrantResult{}
+
+	if params.AccountID == "" {
+		err := fmt.Errorf("Empty accountId parameters")
+		return res, err
+	}
+	if params.Right == "" {
+		err := fmt.Errorf("Empty operation parameter")
+		return res, err
+	}
+	if params.Pattern == "" {
+		err := fmt.Errorf("Empty pattern parameter")
+		return res, err
+	}
+
+	_, err = regexp.Compile(params.Pattern)
+	if err != nil {
+		err := fmt.Errorf("Cannot compile regexp %s: %v", err)
+		return res, err
+	}
+
+	var accountDescr *descr.Account
+	var accountExists bool
+	switch {
+	case params.AccountID != "":
+		accountExists, accountDescr, err = oper.mdb.GetAccountByID(ctx, params.AccountID)
+		if err != nil {
+			return res, err
+		}
+		if !accountExists {
+			err := fmt.Errorf("Account with ID %s dont exists", params.AccountID)
+			return res, err
+		}
+	case params.Username != "":
+		accountExists, accountDescr, err = oper.mdb.GetAccountByUsername(ctx, params.Username)
+		if err != nil {
+			return res, err
+		}
+		if !accountExists {
+			err := fmt.Errorf("Account with name %s dont exists", params.Username)
+			return res, err
+		}
+	default:
+		err := fmt.Errorf("Empty username and accountId parameter")
+		return res, err
+	}
+	grantExists, _, err := oper.mdb.GetGrantByAccoundIDRightPattern(ctx, params.AccountID, params.Right, params.Pattern)
+	if err != nil {
+		return res, err
+	}
+	if grantExists {
+		err := fmt.Errorf("Grant with this right already exists")
+		return res, err
+	}
+	oper.logg.Debugf("Call CreateGrant")
+	now := auxtool.TimeNow()
+	grantDescr := &descr.Grant{
+		ID:        auxuuid.NewUUID(),
+		AccountID: accountDescr.ID,
+		Right:     params.Right,
+		Pattern:   params.Pattern,
+		CreatedAt: now,
+		UpdatedAt: now,
+		CreatedBy: operatorID,
+		UpdatedBy: operatorID,
+	}
+	err = oper.mdb.InsertGrant(ctx, grantDescr)
+	if err != nil {
+		return res, err
+	}
+	res.GrantID = grantDescr.ID
+	return res, err
+}