Files
atom/cmd/model.go
2023-03-01 09:24:01 +08:00

96 lines
2.4 KiB
Go

/*
Copyright © 2023 NAME HERE <EMAIL ADDRESS>
*/
package cmd
import (
"atom/container"
"atom/providers/config"
"atom/providers/database"
"errors"
"log"
"github.com/spf13/cobra"
"go.uber.org/dig"
"gorm.io/gen"
"gorm.io/gorm"
)
// MigrationInfo http service container
type GenQueryGenerator struct {
dig.In
Config *config.Config
DB *gorm.DB
}
// // Dynamic SQL
// type Querier interface {
// // SELECT * FROM @@table WHERE name = @name{{if role !=""}} AND role = @role{{end}}
// FilterWithNameAndRole(name, role string) ([]gen.T, error)
// }
// modelCmd represents the gen command
var modelCmd = &cobra.Command{
Use: "model",
Short: "gorm model&query generator",
Long: `gorm model&query generator. more info, see https://gorm.io/gen`,
RunE: func(cmd *cobra.Command, args []string) error {
return container.Container.Invoke(func(gq GenQueryGenerator) error {
var tables []string
switch gq.Config.Database.Driver {
case database.DriverMySQL:
err := gq.DB.Raw("show tables").Scan(&tables).Error
if err != nil {
log.Fatal(err)
}
case database.DriverPostgres:
err := gq.DB.Raw("SELECT table_name FROM information_schema.tables WHERE table_schema = 'public'").Scan(&tables).Error
if err != nil {
log.Fatal(err)
}
case database.DriverSQLite:
err := gq.DB.Raw("SELECT name FROM sqlite_master WHERE type='table'").Scan(&tables).Error
if err != nil {
log.Fatal(err)
}
}
if len(tables) == 0 {
return errors.New("no tables in database, run migrate first")
}
g := gen.NewGenerator(gen.Config{
OutPath: "database/query",
OutFile: "query.gen.go",
ModelPkgPath: "database/models",
FieldSignable: true,
FieldWithTypeTag: true,
Mode: gen.WithDefaultQuery | gen.WithQueryInterface,
})
g.UseDB(gq.DB) // reuse your gorm db
models := []interface{}{}
for _, table := range tables {
models = append(models, g.GenerateModel(table))
}
// Generate basic type-safe DAO API for struct `model.User` following conventions
g.ApplyBasic(models...)
// Generate Type Safe API with Dynamic SQL defined on Querier interface for `model.User` and `model.Company`
// g.ApplyInterface(func(Querier) {}, model.User{}, model.Company{})
// Generate the code
g.Execute()
return nil
})
},
}
func init() {
rootCmd.AddCommand(modelCmd)
}