package models
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import (
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"errors"
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"fmt"
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"github.com/jinzhu/gorm"
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_ "github.com/jinzhu/gorm/dialects/sqlite"
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)
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const (
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PlatformX64 = "amd64"
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PlatformArm = "arm"
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PlatformNvidia = "nvidia"
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)
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var db *gorm.DB
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// Init creates a connection to mysql database and
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// migrates any new models
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func Init() {
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var err error
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db, err = gorm.Open("sqlite3", "./version.db")
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if err != nil {
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fmt.Println("Db Init failed", err)
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return;
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} else {
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fmt.Println("Db Init ok", err)
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}
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db.LogMode(true)
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db.AutoMigrate(&X64Programs{}, &ArmPrograms{}, &NvidiaPrograms{}, &DistFile{})
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}
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//GetDB ...
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func GetDB() *gorm.DB {
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return db
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}
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func CloseDB() {
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_ = db.Close()
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}
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func IsValidPlatform(arch string) bool {
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switch arch {
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case PlatformX64:
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return true
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case PlatformArm:
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return true
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case PlatformNvidia:
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return true
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default:
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return false
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}
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}
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func FindAllPrograms(plat string) ([]Program, error) {
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var model PlatformModel
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switch plat {
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case PlatformX64:
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model = &X64Programs{}
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case PlatformArm:
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model = &ArmPrograms{}
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case PlatformNvidia:
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model = &NvidiaPrograms{}
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default:
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return nil, errors.New("unknown platform")
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}
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return model.FindAll()
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}
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func UpgradePrograms(plat string, programs []*Program) error {
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var model PlatformModel
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switch plat {
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case PlatformX64:
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model = &X64Programs{}
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//var m X64Programs
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//tableName = m.TableName()
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case PlatformArm:
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//var m ArmPrograms
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//tableName = m.TableName()
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model = &ArmPrograms{}
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case PlatformNvidia:
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//var m NvidiaPrograms
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//tableName = m.TableName()
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model = &NvidiaPrograms{}
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default:
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return errors.New("unknown platform")
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}
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tx := db.Begin()
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if err := tx.Delete(model).Error; nil != err {
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tx.Rollback()
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return err
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}
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for _, p := range programs {
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err := model.Insert(tx, p)
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if nil != err {
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tx.Rollback()
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return err
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}
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}
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tx.Commit()
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return nil
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}
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