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tmpl_dao.go
140 lines (125 loc) · 3.99 KB
/
tmpl_dao.go
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package main
const (
daoHeader = `// Code generated by gormer. DO NOT EDIT.
package %s
import (
"context"
"time"
"github.com/pkg/errors"
"gorm.io/gorm"
"%s/%s"
"%s/%s"
)
`
daoExtHeader = `package %s
// Implement ext method here
`
)
var (
daoTmplRepo = `
type {{.StructName}}Repo struct {
db *gorm.DB
}
func New{{.StructName}}Repo(db *gorm.DB) *{{.StructName}}Repo {
return &{{.StructName}}Repo{db: db}
}
var _ model.{{.StructName}}Model = New{{.StructName}}Repo(nil)
`
daoTmplAdd = `func (repo *{{.StructName}}Repo) Add{{.StructName}}(ctx context.Context, {{.StructSmallCamelName}} *gormer.{{.StructName}}) (err error) {
{{if ne .FieldCreateTime "" }}
if {{.StructSmallCamelName}}.{{.FieldCreateTime}}.IsZero() {
{{.StructSmallCamelName}}.{{.FieldCreateTime}} = time.Now()
}
{{end}}
{{if ne .FieldUpdateTime "" }}
if {{.StructSmallCamelName}}.{{.FieldUpdateTime}}.IsZero() {
{{.StructSmallCamelName}}.{{.FieldUpdateTime}} = time.Now()
}
{{end}}
repo.db.WithContext(ctx).
Table(gormer.{{.StructName}}TableName).
Create({{.StructSmallCamelName}})
err = repo.db.Error
return
}
`
daoTmplQuery = `func (repo *{{.StructName}}Repo) Query{{.StructName}}s(ctx context.Context, pageNumber, pageSize int, condition *gormer.{{.StructName}}Options) ({{.StructSmallCamelName}}s []gormer.{{.StructName}}, err error) {
db := repo.db
if condition != nil {
db = db.Where(condition.{{.StructName}}, condition.Fields)
}
{{if ne .FieldSoftDeleteKey "" }}
db = db.Where("{{.TableSoftDeleteKey}} != ?", {{.TableSoftDeleteValue}})
{{ end }}
db.WithContext(ctx).
Table(gormer.{{.StructName}}TableName).
Limit(pageSize).
Offset((pageNumber - 1) * pageSize).
Find(&{{.StructSmallCamelName}}s)
err = repo.db.Error
return
}
`
daoTmplCount = `func (repo *{{.StructName}}Repo) Count{{.StructName}}s(ctx context.Context, condition *gormer.{{.StructName}}Options) (count int64, err error) {
db := repo.db
if condition != nil {
db = db.Where(condition.{{.StructName}}, condition.Fields)
}
{{if ne .FieldSoftDeleteKey "" }}
db = db.Where("{{.TableSoftDeleteKey}} != ?", {{.TableSoftDeleteValue}})
{{ end }}
db.WithContext(ctx).
Table(gormer.{{.StructName}}TableName).
Count(&count)
err = repo.db.Error
return
}
`
daoTmplUpdate = `func (repo *{{.StructName}}Repo) Update{{.StructName}}(ctx context.Context, updated, condition *gormer.{{.StructName}}Options) (err error) {
if updated == nil || len(updated.Fields) == 0 {
return errors.New("update must choose certain fields")
} else if condition == nil {
return errors.New("update must include where condition")
}
{{if ne .FieldUpdateTime "" }}
if updated.{{.StructName}}.{{.FieldUpdateTime}}.IsZero() {
updated.{{.StructName}}.{{.FieldUpdateTime}} = time.Now()
updated.Fields = append(updated.Fields, "{{.TableUpdateTime}}")
}
{{end}}
repo.db.WithContext(ctx).
Table(gormer.{{.StructName}}TableName).
Where(condition.{{.StructName}}, condition.Fields).
Select(updated.Fields).
Updates(updated.{{.StructName}})
err = repo.db.Error
return
}
`
daoTmplDelete = `func (repo *{{.StructName}}Repo) Delete{{.StructName}}(ctx context.Context, condition *gormer.{{.StructName}}Options) (err error) {
if condition == nil {
return errors.New("delete must include where condition")
}
repo.db.WithContext(ctx).
Table(gormer.{{.StructName}}TableName).
Where(condition.{{.StructName}}, condition.Fields).
{{if eq .FieldSoftDeleteKey "" }} Delete(&gormer.{{.StructName}}{})
{{ else }} {{if eq .FieldUpdateTime "" }}
Select("{{.TableSoftDeleteKey}}").
Updates(&gormer.{{.StructName}}{
{{.FieldSoftDeleteKey}}:{{.TableSoftDeleteValue}},
})
{{ else }}
Select("{{.TableSoftDeleteKey}}","{{.TableUpdateTime}}").
Updates(&gormer.{{.StructName}}{
{{.FieldSoftDeleteKey}}:{{.TableSoftDeleteValue}},
{{.FieldUpdateTime}} : time.Now(),
})
{{ end }}
{{ end }}
err = repo.db.Error
return
}
`
daoTmpl = daoTmplRepo + daoTmplAdd + daoTmplQuery + daoTmplCount + daoTmplUpdate + daoTmplDelete
)