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action.go
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executable file
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package executor
import (
"context"
"net/http"
"strings"
"github.com/glennliao/apijson-go/action"
"github.com/glennliao/apijson-go/consts"
"github.com/glennliao/apijson-go/model"
"github.com/glennliao/apijson-go/util"
"github.com/gogf/gf/v2/database/gdb"
"github.com/gogf/gf/v2/util/gconv"
)
type ActionExecutor struct {
DbResolver DbResolver
}
func (a *ActionExecutor) Do(ctx context.Context, req action.ActionExecutorReq) (ret model.Map, err error) {
switch req.Method {
case http.MethodPost:
return a.Insert(ctx, req.Table, req.Data)
case http.MethodPut:
for i, _ := range req.Data {
ret, err = a.Update(ctx, req.Table, req.Data[i], req.Where[i])
if err != nil {
break
}
}
if err != nil {
ret = model.Map{
"code": 200,
}
}
return ret, err
case http.MethodDelete:
for i, _ := range req.Data {
ret, err = a.Delete(ctx, req.Table, req.Where[i])
if err != nil {
break
}
}
if err != nil {
ret = model.Map{
"code": 200,
}
}
return ret, err
}
return nil, consts.NewMethodNotSupportErr(req.Method)
}
func (a *ActionExecutor) Insert(ctx context.Context, table string, data []model.Map) (ret model.Map, err error) {
result, err := a.DbResolver(ctx).Insert(ctx, table, data)
if err != nil {
return nil, err
}
id, err := result.LastInsertId()
if err != nil {
return nil, err
}
count, err := result.RowsAffected()
ret = model.Map{
"code": 200,
"count": count,
"id": id,
}
return ret, nil
}
func (a *ActionExecutor) Update(ctx context.Context, table string, data model.Map, where model.Map) (ret model.Map, err error) {
m := a.DbResolver(ctx).Model(table).Ctx(ctx)
for k, v := range where {
if strings.HasSuffix(k, consts.OpIn) {
if vStr, ok := v.(string); ok {
if vStr == "" {
return nil, consts.NewValidReqErr("where的值不能为空")
}
}
m = m.WhereIn(k[0:len(k)-2], v)
delete(where, k)
continue
}
if k == consts.Raw {
m = m.Where(v.(map[string][]any))
delete(where, k)
continue
}
if v == nil || gconv.String(v) == "" { // 暂只处理字符串为空的情况
return nil, consts.NewValidReqErr("where的值不能为空:" + k)
}
}
for k, v := range data {
if strings.HasSuffix(k, consts.OpPLus) {
field := util.RemoveSuffix(k, consts.OpPLus)
data[field] = &gdb.Counter{
Field: field,
Value: gconv.Float64(v),
}
delete(data, k)
continue
}
if strings.HasSuffix(k, consts.OpSub) {
field := util.RemoveSuffix(k, consts.OpSub)
data[field] = &gdb.Counter{
Field: field,
Value: -gconv.Float64(v),
}
delete(data, k)
continue
}
if data[k] == nil {
// 此处目前不允许外部设置null
delete(data, k)
}
}
_ret, err := m.Where(where).Update(data)
if err != nil {
return nil, err
}
count, err := _ret.RowsAffected()
if err != nil {
return nil, err
}
ret = model.Map{
"code": 200,
"count": count,
}
return ret, err
}
func (a *ActionExecutor) Delete(ctx context.Context, table string, where model.Map) (ret model.Map, err error) {
if len(where) == 0 {
return nil, consts.NewValidReqErr("where的值不能为空")
}
m := a.DbResolver(ctx).Model(table).Ctx(ctx)
for k, v := range where {
if k == consts.Raw {
m = m.Where(v)
continue
}
if strings.HasSuffix(k, consts.OpIn) {
m = m.WhereIn(k[0:len(k)-2], v)
delete(where, k)
continue
}
if gconv.String(v) == "" || v == nil { // 暂只处理字符串为空的情况
return nil, consts.NewValidReqErr("where的值不能为空:" + k)
}
m = m.Where(k, v)
}
_ret, err := m.Delete()
if err != nil {
return nil, err
}
count, err := _ret.RowsAffected()
if err != nil {
return nil, err
}
ret = model.Map{
"code": 200,
"count": count,
}
return ret, err
}