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package genfunc
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const (
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genTnf = `
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// TableName get sql table name.获取数据库表名
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func (m *{{.StructName}}) TableName() string {
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return "{{.TableName}}"
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}
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`
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genColumn = `
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// {{.StructName}}Columns get sql column name.获取数据库列名
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var {{.StructName}}Columns = struct { {{range $em := .Em}}
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{{$em.StructName}} string{{end}}
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}{ {{range $em := .Em}}
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{{$em.StructName}}:"{{$em.ColumnName}}", {{end}}
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}
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`
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genBase = `
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package {{.PackageName}}
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import (
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"context"
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"fmt"
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"time"
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"gorm.io/gorm"
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)
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var globalIsRelated bool = true // 全局预加载
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// prepare for other
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type _BaseMgr struct {
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*gorm.DB
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ctx context.Context
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cancel context.CancelFunc
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timeout time.Duration
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isRelated bool
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}
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// SetTimeOut set timeout
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func (obj *_BaseMgr) SetTimeOut(timeout time.Duration) {
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obj.ctx, obj.cancel = context.WithTimeout(context.Background(), timeout)
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obj.timeout = timeout
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}
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// SetCtx set context
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func (obj *_BaseMgr) SetCtx(c context.Context) {
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if c != nil {
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obj.ctx = c
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}
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}
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// GetCtx get context
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func (obj *_BaseMgr) GetCtx() context.Context {
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return obj.ctx
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}
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// Cancel cancel context
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func (obj *_BaseMgr) Cancel(c context.Context) {
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obj.cancel()
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}
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// GetDB get gorm.DB info
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func (obj *_BaseMgr) GetDB() *gorm.DB {
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return obj.DB
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}
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// UpdateDB update gorm.DB info
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func (obj *_BaseMgr) UpdateDB(db *gorm.DB) {
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obj.DB = db
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}
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// GetIsRelated Query foreign key Association.获取是否查询外键关联(gorm.Related)
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func (obj *_BaseMgr) GetIsRelated() bool {
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return obj.isRelated
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}
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// SetIsRelated Query foreign key Association.设置是否查询外键关联(gorm.Related)
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func (obj *_BaseMgr) SetIsRelated(b bool) {
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obj.isRelated = b
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}
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// New new gorm.新gorm,重置条件
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func (obj *_BaseMgr) New() {
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obj.DB = obj.NewDB()
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}
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// NewDB new gorm.新gorm
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func (obj *_BaseMgr) NewDB() *gorm.DB {
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return obj.DB.Session(&gorm.Session{NewDB: true, Context: obj.ctx})
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}
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type options struct {
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query map[string]interface{}
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}
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// Option overrides behavior of Connect.
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type Option interface {
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apply(*options)
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}
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type optionFunc func(*options)
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func (f optionFunc) apply(o *options) {
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f(o)
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}
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// OpenRelated 打开全局预加载
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func OpenRelated() {
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globalIsRelated = true
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}
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// CloseRelated 关闭全局预加载
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func CloseRelated() {
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globalIsRelated = true
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}
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// 自定义sql查询
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type Query struct {
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list []*queryInfo
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}
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func (c *Query) AndOnCondition(condition bool,column string, cases string, value interface{}) {
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if condition {
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c.list = append(c.list, &queryInfo{
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andor: "and",
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column: column, // 列名
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case_: cases, // 条件(and,or,in,>=,<=)
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value: value,
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})
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}
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}
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// And a Condition by and .and 一个条件
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func (c *Query) And(column string, cases string, value interface{}) {
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c.AndOnCondition(true,column,cases,value)
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}
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func (c *Query) OrOnCondition(condition bool,column string, cases string, value interface{}) {
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if condition {
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c.list = append(c.list, &queryInfo{
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andor: "or",
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column: column, // 列名
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case_: cases, // 条件(and,or,in,>=,<=)
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value: value,
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})
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}
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}
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// Or a Condition by or .or 一个条件
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func (c *Query) Or(column string, cases string, value interface{}) {
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c.OrOnCondition(true,column,cases,value)
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}
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func (c *Query) Get() (where string, out []interface{}) {
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firstAnd := -1
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for i := 0; i < len(c.list); i++ { // 查找第一个and
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if c.list[i].andor == "and" {
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where = fmt.Sprintf("{{GetVV }} %v ?", c.list[i].column, c.list[i].case_)
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out = append(out, c.list[i].value)
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firstAnd = i
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break
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}
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}
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if firstAnd < 0 && len(c.list) > 0 { // 补刀
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where = fmt.Sprintf("{{GetVV }} %v ?", c.list[0].column, c.list[0].case_)
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out = append(out, c.list[0].value)
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firstAnd = 0
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}
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for i := 0; i < len(c.list); i++ { // 添加剩余的
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if firstAnd != i {
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where += fmt.Sprintf(" %v {{GetVV }} %v ?", c.list[i].andor, c.list[i].column, c.list[i].case_)
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out = append(out, c.list[i].value)
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}
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}
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return
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}
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type queryInfo struct {
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andor string
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column string // 列名
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case_ string // 条件(in,>=,<=)
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value interface{}
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}
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`
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genlogic = `{{$obj := .}}{{$list := $obj.Em}}
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type _{{$obj.StructName}}Mgr struct {
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*_BaseMgr
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}
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// {{$obj.StructName}}Mgr open func
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func {{$obj.StructName}}Mgr(db *gorm.DB) *_{{$obj.StructName}}Mgr {
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if db == nil {
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panic(fmt.Errorf("{{$obj.StructName}}Mgr need init by db"))
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}
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ctx, cancel := context.WithCancel(context.Background())
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return &_{{$obj.StructName}}Mgr{_BaseMgr: &_BaseMgr{DB: db.Table("{{GetTablePrefixName $obj.TableName}}"), isRelated: globalIsRelated,ctx:ctx,cancel:cancel,timeout:-1}}
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}
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// GetTableName get sql table name.获取数据库名字
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|
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func (obj *_{{$obj.StructName}}Mgr) GetTableName() string {
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return "{{GetTablePrefixName $obj.TableName}}"
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}
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|
// Reset 重置gorm会话
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|
func (obj *_{{$obj.StructName}}Mgr) Reset() *_{{$obj.StructName}}Mgr {
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|
|
obj.New()
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return obj
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}
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|
|
// Get 获取
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|
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func (obj *_{{$obj.StructName}}Mgr) Get() (result {{$obj.StructName}}, err error) {
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err = obj.DB.WithContext(obj.ctx).Model({{$obj.StructName}}{}).Find(&result).Error
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{{GenPreloadList $obj.PreloadList false}}
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return
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}
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|
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|
// Gets 获取批量结果
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func (obj *_{{$obj.StructName}}Mgr) Gets() (results []*{{$obj.StructName}}, err error) {
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err = obj.DB.WithContext(obj.ctx).Model({{$obj.StructName}}{}).Find(&results).Error
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{{GenPreloadList $obj.PreloadList true}}
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return
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}
|
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|
|
|
////////////////////////////////// gorm replace /////////////////////////////////
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|
|
func (obj *_{{$obj.StructName}}Mgr) Count(count *int64) (tx *gorm.DB) {
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|
return obj.DB.WithContext(obj.ctx).Model({{$obj.StructName}}{}).Count(count)
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|
}
|
|
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|
|
//////////////////////////////////////////////////////////////////////////////////
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|
|
//////////////////////////option case ////////////////////////////////////////////
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|
|
{{range $oem := $obj.Em}}
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|
|
// With{{$oem.ColStructName}} {{$oem.ColName}}获取 {{$oem.Notes}}
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func (obj *_{{$obj.StructName}}Mgr) With{{$oem.ColStructName}}({{CapLowercase $oem.ColStructName}} {{$oem.Type}}) Option {
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|
|
return optionFunc(func(o *options) { o.query["{{$oem.ColName}}"] = {{CapLowercase $oem.ColStructName}} })
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|
|
}
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{{end}}
|
|
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|
|
// GetByOption 功能选项模式获取
|
|
|
func (obj *_{{$obj.StructName}}Mgr) GetByOption(opts ...Option) (result {{$obj.StructName}}, err error) {
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|
|
options := options{
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|
query: make(map[string]interface{}, len(opts)),
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|
|
}
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|
|
for _, o := range opts {
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|
|
o.apply(&options)
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|
|
}
|
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|
|
|
err = obj.DB.WithContext(obj.ctx).Model({{$obj.StructName}}{}).Where(options.query).Find(&result).Error
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|
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{{GenPreloadList $obj.PreloadList false}}
|
|
|
return
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|
|
}
|
|
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|
|
|
// GetByOptions 批量功能选项模式获取
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|
|
func (obj *_{{$obj.StructName}}Mgr) GetByOptions(opts ...Option) (results []*{{$obj.StructName}}, err error) {
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|
|
options := options{
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|
|
query: make(map[string]interface{}, len(opts)),
|
|
|
}
|
|
|
for _, o := range opts {
|
|
|
o.apply(&options)
|
|
|
}
|
|
|
|
|
|
err = obj.DB.WithContext(obj.ctx).Model({{$obj.StructName}}{}).Where(options.query).Find(&results).Error
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|
|
{{GenPreloadList $obj.PreloadList true}}
|
|
|
return
|
|
|
}
|
|
|
|
|
|
{{if $obj.IsOutPage}}
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|
|
// SelectPage 分页查询
|
|
|
func (obj *_{{$obj.StructName}}Mgr) SelectPage(page IPage,opts ...Option) (resultPage IPage, err error) {
|
|
|
options := options{
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|
|
query: make(map[string]interface{}, len(opts)),
|
|
|
}
|
|
|
for _, o := range opts {
|
|
|
o.apply(&options)
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|
|
}
|
|
|
resultPage = page
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|
|
results := make([]{{$obj.StructName}},0)
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|
|
var count int64 // 统计总的记录数
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|
query := obj.DB.WithContext(obj.ctx).Model({{$obj.StructName}}{}).Where(options.query)
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|
|
query.Count(&count)
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|
|
resultPage.SetTotal(count)
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|
|
if len(page.GetOrederItemsString()) > 0 {
|
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|
query = query.Order(page.GetOrederItemsString())
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|
|
}
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|
err = query.Limit(int(page.GetSize())).Offset(int(page.Offset())).Find(&results).Error
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|
|
{{GenPreloadList $obj.PreloadList true}}
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|
|
resultPage.SetRecords(results)
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|
|
return
|
|
|
}
|
|
|
{{end}}
|
|
|
|
|
|
//////////////////////////enume case ////////////////////////////////////////////
|
|
|
|
|
|
{{range $oem := $obj.Em}}
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|
|
// GetFrom{{$oem.ColStructName}} 通过{{$oem.ColName}}获取内容 {{$oem.Notes}} {{if $oem.IsMulti}}
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func (obj *_{{$obj.StructName}}Mgr) GetFrom{{$oem.ColStructName}}({{CapLowercase $oem.ColStructName}} {{$oem.Type}}) (results []*{{$obj.StructName}}, err error) {
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|
|
err = obj.DB.WithContext(obj.ctx).Model({{$obj.StructName}}{}).Where("{{$oem.ColNameEx}} = ?", {{CapLowercase $oem.ColStructName}}).Find(&results).Error
|
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|
{{GenPreloadList $obj.PreloadList true}}
|
|
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return
|
|
|
}
|
|
|
{{else}}
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|
func (obj *_{{$obj.StructName}}Mgr) GetFrom{{$oem.ColStructName}}({{CapLowercase $oem.ColStructName}} {{$oem.Type}}) (result {{$obj.StructName}}, err error) {
|
|
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err = obj.DB.WithContext(obj.ctx).Model({{$obj.StructName}}{}).Where("{{$oem.ColNameEx}} = ?", {{CapLowercase $oem.ColStructName}}).Find(&result).Error
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|
{{GenPreloadList $obj.PreloadList false}}
|
|
|
return
|
|
|
}
|
|
|
{{end}}
|
|
|
// GetBatchFrom{{$oem.ColStructName}} 批量查找 {{$oem.Notes}}
|
|
|
func (obj *_{{$obj.StructName}}Mgr) GetBatchFrom{{$oem.ColStructName}}({{CapLowercase $oem.ColStructName}}s []{{$oem.Type}}) (results []*{{$obj.StructName}}, err error) {
|
|
|
err = obj.DB.WithContext(obj.ctx).Model({{$obj.StructName}}{}).Where("{{$oem.ColNameEx}} IN (?)", {{CapLowercase $oem.ColStructName}}s).Find(&results).Error
|
|
|
{{GenPreloadList $obj.PreloadList true}}
|
|
|
return
|
|
|
}
|
|
|
{{end}}
|
|
|
//////////////////////////primary index case ////////////////////////////////////////////
|
|
|
{{range $ofm := $obj.Primary}}
|
|
|
// {{GenFListIndex $ofm 1}} primary or index 获取唯一内容
|
|
|
func (obj *_{{$obj.StructName}}Mgr) {{GenFListIndex $ofm 1}}({{GenFListIndex $ofm 2}}) (result {{$obj.StructName}}, err error) {
|
|
|
err = obj.DB.WithContext(obj.ctx).Model({{$obj.StructName}}{}).Where("{{GenFListIndex $ofm 3}}", {{GenFListIndex $ofm 4}}).Find(&result).Error
|
|
|
{{GenPreloadList $obj.PreloadList false}}
|
|
|
return
|
|
|
}
|
|
|
{{end}}
|
|
|
|
|
|
{{range $ofm := $obj.Index}}
|
|
|
// {{GenFListIndex $ofm 1}} 获取多个内容
|
|
|
func (obj *_{{$obj.StructName}}Mgr) {{GenFListIndex $ofm 1}}({{GenFListIndex $ofm 2}}) (results []*{{$obj.StructName}}, err error) {
|
|
|
err = obj.DB.WithContext(obj.ctx).Model({{$obj.StructName}}{}).Where("{{GenFListIndex $ofm 3}}", {{GenFListIndex $ofm 4}}).Find(&results).Error
|
|
|
{{GenPreloadList $obj.PreloadList true}}
|
|
|
return
|
|
|
}
|
|
|
{{end}}
|
|
|
|
|
|
`
|
|
|
genPreload = `if err == nil && obj.isRelated { {{range $obj := .}}{{if $obj.IsMulti}}
|
|
|
if err = obj.NewDB().Table("{{$obj.ForeignkeyTableName}}").Where("{{$obj.ForeignkeyCol}} = ?", result.{{$obj.ColStructName}}).Find(&result.{{$obj.ForeignkeyStructName}}List).Error;err != nil { // {{$obj.Notes}}
|
|
|
if err != gorm.ErrRecordNotFound { // 非 没找到
|
|
|
return
|
|
|
}
|
|
|
} {{else}}
|
|
|
if err = obj.NewDB().Table("{{$obj.ForeignkeyTableName}}").Where("{{$obj.ForeignkeyCol}} = ?", result.{{$obj.ColStructName}}).Find(&result.{{$obj.ForeignkeyStructName}}).Error; err != nil { // {{$obj.Notes}}
|
|
|
if err != gorm.ErrRecordNotFound { // 非 没找到
|
|
|
return
|
|
|
}
|
|
|
}{{end}} {{end}}}
|
|
|
`
|
|
|
genPreloadMulti = `if err == nil && obj.isRelated {
|
|
|
for i := 0; i < len(results); i++ { {{range $obj := .}}{{if $obj.IsMulti}}
|
|
|
if err = obj.NewDB().Table("{{$obj.ForeignkeyTableName}}").Where("{{$obj.ForeignkeyCol}} = ?", results[i].{{$obj.ColStructName}}).Find(&results[i].{{$obj.ForeignkeyStructName}}List).Error;err != nil { // {{$obj.Notes}}
|
|
|
if err != gorm.ErrRecordNotFound { // 非 没找到
|
|
|
return
|
|
|
}
|
|
|
} {{else}}
|
|
|
if err = obj.NewDB().Table("{{$obj.ForeignkeyTableName}}").Where("{{$obj.ForeignkeyCol}} = ?", results[i].{{$obj.ColStructName}}).Find(&results[i].{{$obj.ForeignkeyStructName}}).Error; err != nil { // {{$obj.Notes}}
|
|
|
if err != gorm.ErrRecordNotFound { // 非 没找到
|
|
|
return
|
|
|
}
|
|
|
} {{end}} {{end}}
|
|
|
}
|
|
|
}`
|
|
|
genPage = `package {{.PackageName}}
|
|
|
|
|
|
import (
|
|
|
"fmt"
|
|
|
"strings"
|
|
|
)
|
|
|
|
|
|
type IPage interface {
|
|
|
GetRecords() interface{} // 获取查询的记录
|
|
|
SetRecords(interface{}) // 设置查询的记录
|
|
|
GetTotal() int64 // 获取总记录数
|
|
|
SetTotal(int64) // 设置总记录数
|
|
|
GetCurrent() int64 // 获取当前页
|
|
|
SetCurrent(int64) // 设置当前页
|
|
|
GetSize() int64 // 获取每页显示大小
|
|
|
SetSize(int64) // 设置每页显示大小
|
|
|
AddOrderItem(OrderItem) // 设置排序条件
|
|
|
AddOrderItems([]OrderItem) // 批量设置排序条件
|
|
|
GetOrederItemsString() string // 将排序条件拼接成字符串
|
|
|
Offset() int64 // 获取偏移量
|
|
|
GetPages() int64 // 获取总的分页数
|
|
|
}
|
|
|
|
|
|
type Page struct {
|
|
|
total int64 // 总的记录数
|
|
|
size int64 // 每页显示的大小
|
|
|
current int64 // 当前页
|
|
|
orders []OrderItem // 排序条件
|
|
|
Records interface{} // 查询数据列表
|
|
|
|
|
|
}
|
|
|
|
|
|
func (page *Page) GetRecords() interface{} {
|
|
|
return page.Records
|
|
|
}
|
|
|
|
|
|
func (page *Page) SetRecords(records interface{}) {
|
|
|
page.Records = records
|
|
|
}
|
|
|
|
|
|
func (page *Page) GetTotal() int64 {
|
|
|
return page.total
|
|
|
}
|
|
|
|
|
|
func (page *Page) SetTotal(total int64) {
|
|
|
page.total = total
|
|
|
|
|
|
}
|
|
|
|
|
|
func (page *Page) GetCurrent() int64 {
|
|
|
return page.current
|
|
|
}
|
|
|
|
|
|
func (page *Page) SetCurrent(current int64) {
|
|
|
page.current = current
|
|
|
}
|
|
|
|
|
|
func (page *Page) GetSize() int64 {
|
|
|
return page.size
|
|
|
}
|
|
|
func (page *Page) SetSize(size int64) {
|
|
|
page.size = size
|
|
|
|
|
|
}
|
|
|
|
|
|
func (page *Page) AddOrderItem(orderItem OrderItem) {
|
|
|
page.orders = append(page.orders, orderItem)
|
|
|
}
|
|
|
|
|
|
func (page *Page) AddOrderItems(orderItems []OrderItem) {
|
|
|
page.orders = append(page.orders, orderItems...)
|
|
|
}
|
|
|
|
|
|
func (page *Page) GetOrederItemsString() string {
|
|
|
arr := make([]string, 0)
|
|
|
var order string
|
|
|
|
|
|
for _, val := range page.orders {
|
|
|
if val.asc {
|
|
|
order = ""
|
|
|
} else {
|
|
|
order = "desc"
|
|
|
}
|
|
|
arr = append(arr, fmt.Sprintf("%s %s", val.column, order))
|
|
|
}
|
|
|
return strings.Join(arr, ",")
|
|
|
}
|
|
|
|
|
|
func (page *Page) Offset() int64 {
|
|
|
if page.GetCurrent() > 0 {
|
|
|
return (page.GetCurrent() - 1) * page.GetSize()
|
|
|
} else {
|
|
|
return 0
|
|
|
}
|
|
|
}
|
|
|
|
|
|
func (page *Page) GetPages() int64 {
|
|
|
if page.GetSize() == 0 {
|
|
|
return 0
|
|
|
}
|
|
|
pages := page.GetTotal() / page.GetSize()
|
|
|
if page.GetTotal()%page.size != 0 {
|
|
|
pages++
|
|
|
}
|
|
|
|
|
|
return pages
|
|
|
}
|
|
|
|
|
|
type OrderItem struct {
|
|
|
column string // 需要排序的字段
|
|
|
asc bool // 是否正序排列，默认true
|
|
|
}
|
|
|
|
|
|
func BuildAsc(column string) OrderItem {
|
|
|
return OrderItem{column: column, asc: true}
|
|
|
}
|
|
|
|
|
|
func BuildDesc(column string) OrderItem {
|
|
|
return OrderItem{column: column, asc: false}
|
|
|
}
|
|
|
|
|
|
func BuildAscs(columns ...string) []OrderItem {
|
|
|
items := make([]OrderItem, 0)
|
|
|
for _, val := range columns {
|
|
|
items = append(items, BuildAsc(val))
|
|
|
}
|
|
|
return items
|
|
|
}
|
|
|
|
|
|
func BuildDescs(columns ...string) []OrderItem {
|
|
|
items := make([]OrderItem, 0)
|
|
|
for _, val := range columns {
|
|
|
items = append(items, BuildDesc(val))
|
|
|
}
|
|
|
return items
|
|
|
}
|
|
|
|
|
|
func NewPage(size, current int64, orderItems ...OrderItem) *Page {
|
|
|
return &Page{size: size, current: current, orders: orderItems}
|
|
|
}
|
|
|
`
|
|
|
)
|