agola/internal/services/configstore/readdb/variable.go

192 lines
5.5 KiB
Go

// Copyright 2019 Sorint.lab
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied
// See the License for the specific language governing permissions and
// limitations under the License.
package readdb
import (
"database/sql"
"encoding/json"
"agola.io/agola/internal/db"
"agola.io/agola/internal/services/types"
"agola.io/agola/internal/util"
sq "github.com/Masterminds/squirrel"
errors "golang.org/x/xerrors"
)
var (
variableSelect = sb.Select("id", "data").From("variable")
variableInsert = sb.Insert("variable").Columns("id", "name", "parentid", "parenttype", "data")
)
func (r *ReadDB) insertVariable(tx *db.Tx, data []byte) error {
variable := types.Variable{}
if err := json.Unmarshal(data, &variable); err != nil {
return errors.Errorf("failed to unmarshal variable: %w", err)
}
// poor man insert or update...
if err := r.deleteVariable(tx, variable.ID); err != nil {
return err
}
q, args, err := variableInsert.Values(variable.ID, variable.Name, variable.Parent.ID, variable.Parent.Type, data).ToSql()
if err != nil {
return errors.Errorf("failed to build query: %w", err)
}
if _, err = tx.Exec(q, args...); err != nil {
return errors.Errorf("failed to insert variable: %w", err)
}
return nil
}
func (r *ReadDB) deleteVariable(tx *db.Tx, id string) error {
// poor man insert or update...
if _, err := tx.Exec("delete from variable where id = $1", id); err != nil {
return errors.Errorf("failed to delete variable: %w", err)
}
return nil
}
func (r *ReadDB) GetVariableByID(tx *db.Tx, variableID string) (*types.Variable, error) {
q, args, err := variableSelect.Where(sq.Eq{"id": variableID}).ToSql()
r.log.Debugf("q: %s, args: %s", q, util.Dump(args))
if err != nil {
return nil, errors.Errorf("failed to build query: %w", err)
}
variables, _, err := fetchVariables(tx, q, args...)
if err != nil {
return nil, err
}
if len(variables) > 1 {
return nil, errors.Errorf("too many rows returned")
}
if len(variables) == 0 {
return nil, nil
}
return variables[0], nil
}
func (r *ReadDB) GetVariableByName(tx *db.Tx, parentID, name string) (*types.Variable, error) {
q, args, err := variableSelect.Where(sq.Eq{"parentid": parentID, "name": name}).ToSql()
r.log.Debugf("q: %s, args: %s", q, util.Dump(args))
if err != nil {
return nil, errors.Errorf("failed to build query: %w", err)
}
variables, _, err := fetchVariables(tx, q, args...)
if err != nil {
return nil, err
}
if len(variables) > 1 {
return nil, errors.Errorf("too many rows returned")
}
if len(variables) == 0 {
return nil, nil
}
return variables[0], nil
}
func (r *ReadDB) GetVariables(tx *db.Tx, parentID string) ([]*types.Variable, error) {
q, args, err := variableSelect.Where(sq.Eq{"parentid": parentID}).ToSql()
r.log.Debugf("q: %s, args: %s", q, util.Dump(args))
if err != nil {
return nil, errors.Errorf("failed to build query: %w", err)
}
variables, _, err := fetchVariables(tx, q, args...)
return variables, err
}
func (r *ReadDB) GetVariablesTree(tx *db.Tx, parentType types.ConfigType, parentID string) ([]*types.Variable, error) {
allVariables := []*types.Variable{}
for parentType == types.ConfigTypeProjectGroup || parentType == types.ConfigTypeProject {
vars, err := r.GetVariables(tx, parentID)
if err != nil {
return nil, errors.Errorf("failed to get variables for %s %q: %w", parentType, parentID, err)
}
allVariables = append(allVariables, vars...)
switch parentType {
case types.ConfigTypeProjectGroup:
projectGroup, err := r.GetProjectGroup(tx, parentID)
if err != nil {
return nil, err
}
if projectGroup == nil {
return nil, errors.Errorf("projectgroup with id %q doesn't exist", parentID)
}
parentType = projectGroup.Parent.Type
parentID = projectGroup.Parent.ID
case types.ConfigTypeProject:
project, err := r.GetProject(tx, parentID)
if err != nil {
return nil, err
}
if project == nil {
return nil, errors.Errorf("project with id %q doesn't exist", parentID)
}
parentType = project.Parent.Type
parentID = project.Parent.ID
}
}
return allVariables, nil
}
func fetchVariables(tx *db.Tx, q string, args ...interface{}) ([]*types.Variable, []string, error) {
rows, err := tx.Query(q, args...)
if err != nil {
return nil, nil, err
}
defer rows.Close()
return scanVariables(rows)
}
func scanVariable(rows *sql.Rows, additionalFields ...interface{}) (*types.Variable, string, error) {
var id string
var data []byte
if err := rows.Scan(&id, &data); err != nil {
return nil, "", errors.Errorf("failed to scan rows: %w", err)
}
variable := types.Variable{}
if len(data) > 0 {
if err := json.Unmarshal(data, &variable); err != nil {
return nil, "", errors.Errorf("failed to unmarshal variable: %w", err)
}
}
return &variable, id, nil
}
func scanVariables(rows *sql.Rows) ([]*types.Variable, []string, error) {
variables := []*types.Variable{}
ids := []string{}
for rows.Next() {
p, id, err := scanVariable(rows)
if err != nil {
rows.Close()
return nil, nil, err
}
variables = append(variables, p)
ids = append(ids, id)
}
if err := rows.Err(); err != nil {
return nil, nil, err
}
return variables, ids, nil
}