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log.go
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log.go
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// Copyright (c) 2019 Target Brands, Inc. All rights reserved.
//
// Use of this source code is governed by the LICENSE file in this repository.
package database
import (
"database/sql"
"errors"
"github.com/go-vela/types/library"
)
var (
// ErrEmptyLogBuildID defines the error type when a
// Log type has an empty BuildID field provided.
ErrEmptyLogBuildID = errors.New("empty log build_id provided")
// ErrEmptyLogRepoID defines the error type when a
// Log type has an empty RepoID field provided.
ErrEmptyLogRepoID = errors.New("empty log repo_id provided")
// ErrEmptyLogStepOrServiceID defines the error type when a
// Log type has an empty StepID or ServiceID field provided.
ErrEmptyLogStepOrServiceID = errors.New("empty log step_id or service_id not provided")
)
// Log is the database representation of a log for a step in a build.
type Log struct {
ID sql.NullInt64 `sql:"id"`
BuildID sql.NullInt64 `sql:"build_id"`
RepoID sql.NullInt64 `sql:"repo_id"`
ServiceID sql.NullInt64 `sql:"service_id"`
StepID sql.NullInt64 `sql:"step_id"`
Data []byte `sql:"data"`
}
// Nullify ensures the valid flag for
// the sql.Null types are properly set.
//
// When a field within the Log type is the zero
// value for the field, the valid flag is set to
// false causing it to be NULL in the database.
func (l *Log) Nullify() *Log {
if l == nil {
return nil
}
// check if the ID field should be false
if l.ID.Int64 == 0 {
l.ID.Valid = false
}
// check if the BuildID field should be false
if l.BuildID.Int64 == 0 {
l.BuildID.Valid = false
}
// check if the RepoID field should be false
if l.RepoID.Int64 == 0 {
l.RepoID.Valid = false
}
// check if the ServiceID field should be false
if l.ServiceID.Int64 == 0 {
l.ServiceID.Valid = false
}
// check if the StepID field should be false
if l.StepID.Int64 == 0 {
l.StepID.Valid = false
}
return l
}
// ToLibrary converts the Log type
// to a library Log type.
func (l *Log) ToLibrary() *library.Log {
log := new(library.Log)
log.SetID(l.ID.Int64)
log.SetBuildID(l.BuildID.Int64)
log.SetRepoID(l.RepoID.Int64)
log.SetServiceID(l.ServiceID.Int64)
log.SetStepID(l.StepID.Int64)
log.SetData(l.Data)
return log
}
// Validate verifies the necessary fields for
// the Log type are populated correctly.
func (l *Log) Validate() error {
// verify the has StepID or ServiceID field populated
if l.StepID.Int64 <= 0 && l.ServiceID.Int64 <= 0 {
return ErrEmptyLogStepOrServiceID
}
// verify the BuildID field is populated
if l.BuildID.Int64 <= 0 {
return ErrEmptyLogBuildID
}
// verify the RepoID field is populated
if l.RepoID.Int64 <= 0 {
return ErrEmptyLogRepoID
}
return nil
}
// LogFromLibrary converts the Log type
// to a library Log type.
func LogFromLibrary(l *library.Log) *Log {
log := &Log{
ID: sql.NullInt64{Int64: l.GetID(), Valid: true},
BuildID: sql.NullInt64{Int64: l.GetBuildID(), Valid: true},
RepoID: sql.NullInt64{Int64: l.GetRepoID(), Valid: true},
ServiceID: sql.NullInt64{Int64: l.GetServiceID(), Valid: true},
StepID: sql.NullInt64{Int64: l.GetStepID(), Valid: true},
Data: l.GetData(),
}
return log.Nullify()
}