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model.go
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/
model.go
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package gen
import (
"log"
"github.com/AlecAivazis/survey/v2"
"github.com/spf13/cobra"
"gorm.io/driver/mysql"
"gorm.io/gen"
"gorm.io/gorm"
)
var CmdGen = &cobra.Command{
Use: "gen [model-name] ",
Short: "Gen new model",
Example: "goal gen user",
Args: cobra.ExactArgs(1),
Run: run,
}
var dsn string
type Gen struct {
Model string `survey:"model"`
}
func init() {
CmdGen.Flags().StringVarP(&dsn, "dsn", "d", dsn, "dsn")
}
func run(cmd *cobra.Command, args []string) {
g := &Gen{
}
if len(args) == 0 {
err := survey.AskOne(&survey.Input{
Message: "What is your gen model?",
Help: "model name.",
Suggest: nil,
}, &dsn, survey.WithValidator(survey.Required))
if err != nil {
return
}
} else {
g.Model = args[0]
}
cfg := gen.Config{
OutPath: "./internal/data/model",
Mode: gen.WithDefaultQuery | gen.WithQueryInterface,
}
cfg.WithDataTypeMap(map[string]func(gorm.ColumnType) (dataType string){
"tinyint": func(columnType gorm.ColumnType) (dataType string) {
return "int32"
},
})
generator := gen.NewGenerator(cfg)
gormdb, err := gorm.Open(mysql.Open(dsn))
if err != nil {
log.Fatalf("open db error: %s", err.Error())
}
generator.UseDB(gormdb)
if g.Model == "all" {
generator.GenerateAllTable()
} else {
generator.GenerateModel(g.Model )
}
generator.Execute()
}