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models_generator.go
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/
models_generator.go
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package modulegenerator
import (
"fmt"
"os"
"github.com/Muruyung/go-utilities/logger"
"github.com/dave/jennifer/jen"
"github.com/iancoleman/strcase"
)
func modelsGenerator(dto dtoModule, isGenerate bool) error {
if !isGenerate {
return nil
}
dto.path += "repository" + dto.sep + "models" + dto.sep
var err error
if _, err = os.Stat(dto.path); os.IsNotExist(err) {
err = os.MkdirAll(dto.path, 0777)
if err != nil {
return err
}
}
if _, err = os.Stat(dto.path + dto.name + ".go"); os.IsNotExist(err) {
err = generateRepoModels(dto)
if err != nil {
logger.Logger.Error(fmt.Sprintf(defaultErr, err))
return err
} else {
logger.Logger.Info("repository models created")
}
} else {
logger.Logger.Warn("repository models already created")
}
return nil
}
func generateRepoModels(dto dtoModule) error {
var (
file = jen.NewFilePathName(dto.path, "models")
upperName = capitalize(dto.name)
dir = dto.name
timeType = "time.Time"
modelsName = fmt.Sprintf("%sModels", upperName)
title = sentences(modelsName)
)
dto.name = lowerize(dto.name)
file.Add(jen.Id("import").Parens(
jen.Id("\n").
Id(`"sort"`).Id("\n").
Id(`"time"`).Id("\n").
Line().
Id(`"github.com/Muruyung/go-utilities/converter"`).Id("\n"),
))
var (
generatedFields = make([]jen.Code, 0)
)
for _, field := range dto.arrFields {
var (
upperCaseField = capitalize(field)
snakeCaseField = strcase.ToSnake(field)
)
generatedFields = append(
generatedFields,
jen.Id(upperCaseField).Id(dto.fields[field]).Tag(map[string]string{
"json": snakeCaseField,
"dbq": snakeCaseField,
}),
)
}
generatedFields = append(
generatedFields,
jen.Id("CreatedAt").Id(timeType).Tag(map[string]string{
"json": "created_at,omitempty",
"dbq": "created_at,omitempty",
}),
jen.Id("UpdatedAt").Id(timeType).Tag(map[string]string{
"json": "updated_at,omitempty",
"dbq": "updated_at,omitempty",
}),
jen.Id("DeletedAt").Id("*"+timeType).Tag(map[string]string{
"json": "deleted_at,omitempty",
"dbq": "deleted_at,omitempty",
}),
)
file.Commentf("%s %s struct", modelsName, title)
file.Type().Id(modelsName).Struct(
generatedFields...,
)
file.Line()
file.Commentf("GetTableName get table name of %s", title)
file.Func().Parens(jen.Id("models").Id(modelsName)).Id("GetTableName").Params().Id("string").Block(
jen.Return(jen.Lit(strcase.ToSnake(dto.name))),
)
file.Line()
file.Commentf("GetModels get models of %s", title)
file.Func().Parens(jen.Id("models").Id(modelsName)).Id("GetModels").Params().Id("interface{}").Block(
jen.Return(jen.Id("models")),
)
file.Line()
file.Commentf("GetModelsMap get models map of %s", title)
file.Func().Parens(jen.Id("models").Id(modelsName)).Id("GetModelsMap").Params().Id("map[string]interface{}").Block(
jen.Id("dataMap, _").Id(":=").Id("converter").Dot("ConvertInterfaceToMap").Parens(jen.Id("models")),
jen.Return(jen.Id("dataMap")),
)
file.Line()
file.Commentf("GetColumns get columns of %s", title)
file.Func().Parens(jen.Id("models").Id(modelsName)).Id("GetColumns").Params().Id("[]string").Block(
jen.Var().Parens(jen.Id("\n").
Id("modelsMap").Id("=").Id("models").Dot("GetModelsMap()").Id("\n").
Id("arrColumn").Id("=").Make(jen.Id("[]string"), jen.Id("0")).Id("\n"),
),
jen.Line(),
jen.For(jen.Id("column").Id(":=").Range().Id("modelsMap")).Block(
jen.Id("arrColumn").Id("=").Append(jen.Id("arrColumn"), jen.Id("column")),
),
jen.Id("sort").Dot("Strings").Parens(jen.Id("arrColumn")),
jen.Line(),
jen.Return(jen.Id("arrColumn")),
)
file.Line()
file.Commentf("GetValStruct get value struct of %s", title)
file.Func().Parens(jen.Id("models").Id(modelsName)).Id("GetValStruct").Params(jen.Id("arrColumn").Id("[]string")).Id("[]interface{}").Block(
jen.Var().Parens(jen.Id("\n").
Id("modelsMap").Id("=").Id("models").Dot("GetModelsMap()").Id("\n").
Id("arrValue").Id("=").Make(jen.Id("[]interface{}"), jen.Id("0")).Id("\n"),
),
jen.Line(),
jen.For(jen.Id("_, column").Id(":=").Range().Id("arrColumn")).Block(
jen.Id("arrValue").Id("=").Append(jen.Id("arrValue"), jen.Id("modelsMap[column]")),
),
jen.Line(),
jen.Return(jen.Id("[]interface{}{arrValue}")),
)
file.Line()
return file.Save(dto.path + "/" + dir + ".go")
}