MarketingSystemDataTool/server/internal/exporter/sqlbuilder.go

305 lines
10 KiB
Go

package exporter
import (
"encoding/json"
"errors"
"fmt"
"marketing-system-data-tool/server/internal/schema"
"strconv"
"strings"
)
type BuildRequest struct {
MainTable string
Datasource string
Fields []string // table.field
Filters map[string]interface{}
}
func BuildSQL(req BuildRequest, whitelist map[string]bool) (string, []interface{}, error) {
if req.MainTable != "order" && req.MainTable != "order_info" {
return "", nil, errors.New("unsupported main table")
}
sch := schema.Get(req.Datasource, req.MainTable)
cols := []string{}
need := map[string]bool{}
for _, tf := range req.Fields {
if !whitelist[tf] {
return "", nil, errors.New("field not allowed")
}
parts := strings.Split(tf, ".")
if len(parts) != 2 {
return "", nil, errors.New("invalid field format")
}
t, f := parts[0], parts[1]
if req.Datasource == "ymt" && t == "order_voucher" && f == "channel_activity_id" {
f = "channel_batch_no"
}
need[t] = true
mt := sch.TableName(t)
mf, _ := sch.MapField(t, f)
if t == "order" && req.MainTable == "order" {
if f == "status" {
cols = append(cols, "CASE `order`.status WHEN 0 THEN '待充值' WHEN 1 THEN '充值中' WHEN 2 THEN '已完成' WHEN 3 THEN '充值失败' WHEN 4 THEN '已取消' WHEN 5 THEN '已过期' WHEN 6 THEN '待支付' END AS status")
continue
}
if f == "type" {
cols = append(cols, "CASE `order`.type WHEN 1 THEN '直充卡密' WHEN 2 THEN '立减金' WHEN 3 THEN '红包' ELSE '' END AS type")
continue
}
if f == "pay_type" {
cols = append(cols, "CASE `order`.pay_type WHEN 1 THEN '支付宝' WHEN 5 THEN '微信' ELSE '' END AS pay_type")
continue
}
if f == "pay_status" {
cols = append(cols, "CASE `order`.pay_status WHEN 1 THEN '待支付' WHEN 2 THEN '已支付' WHEN 3 THEN '已退款' ELSE '' END AS pay_status")
continue
}
}
if t == "order_cash" && f == "receive_status" {
cols = append(cols, "CASE `order_cash`.receive_status WHEN 0 THEN '待领取' WHEN 1 THEN '领取中' WHEN 2 THEN '领取成功' WHEN 3 THEN '领取失败' ELSE '' END AS receive_status")
continue
}
if t == "order_cash" && f == "channel" {
cols = append(cols, "CASE `order_cash`.channel WHEN 1 THEN '支付宝' WHEN 2 THEN '微信' WHEN 3 THEN '云闪付' ELSE '' END AS channel")
continue
}
if t == "order_voucher" && f == "channel" {
cols = append(cols, "CASE `order_voucher`.channel WHEN 1 THEN '支付宝' WHEN 2 THEN '微信' ELSE '' END AS channel")
continue
}
if t == "order_voucher" && f == "status" {
cols = append(cols, "CASE `order_voucher`.status WHEN 1 THEN '可用' WHEN 2 THEN '已实扣' WHEN 3 THEN '已过期' WHEN 4 THEN '已退款' WHEN 5 THEN '领取失败' WHEN 6 THEN '发放中' WHEN 7 THEN '部分退款' WHEN 8 THEN '已退回' WHEN 9 THEN '发放失败' ELSE '' END AS status")
continue
}
if t == "order_voucher" && f == "receive_mode" {
cols = append(cols, "CASE `order_voucher`.receive_mode WHEN 1 THEN '渠道授权用户id' WHEN 2 THEN '手机号或邮箱' ELSE '' END AS receive_mode")
continue
}
if t == "order_voucher" && f == "out_biz_no" {
cols = append(cols, "'' AS out_biz_no")
continue
}
cols = append(cols, "`"+mt+"`."+escape(mf))
}
if len(cols) == 0 {
return "", nil, errors.New("no fields")
}
sb := strings.Builder{}
sb.WriteString("SELECT ")
sb.WriteString(strings.Join(cols, ","))
sb.WriteString(" FROM `" + req.MainTable + "`")
for _, j := range sch.BuildJoins(need, req.MainTable) {
sb.WriteString(j)
}
args := []interface{}{}
where := []string{}
// collect need from filters referencing related tables
if _, ok := req.Filters["order_cash_cash_activity_id_eq"]; ok {
need["order_cash"] = true
}
if _, ok := req.Filters["order_voucher_channel_activity_id_eq"]; ok {
need["order_voucher"] = true
}
if _, ok := req.Filters["voucher_batch_channel_activity_id_eq"]; ok {
need["voucher_batch"] = true
need["voucher"] = true
need["order_voucher"] = true
}
if _, ok := req.Filters["merchant_out_biz_no_eq"]; ok {
need["merchant_key_send"] = true
}
if v, ok := req.Filters["creator_in"]; ok {
ids := []interface{}{}
switch t := v.(type) {
case []interface{}:
ids = t
case []int:
for _, x := range t {
ids = append(ids, x)
}
case []string:
for _, x := range t {
ids = append(ids, x)
}
}
if len(ids) == 0 {
return "", nil, errors.New("creator_in required")
}
ph := strings.Repeat("?,", len(ids))
ph = strings.TrimSuffix(ph, ",")
if tbl, col, ok := sch.FilterColumn("creator_in"); ok {
where = append(where, fmt.Sprintf("`%s`.%s IN (%s)", sch.TableName(tbl), escape(col), ph))
}
args = append(args, ids...)
}
if v, ok := req.Filters["create_time_between"]; ok {
var arr []interface{}
b, _ := json.Marshal(v)
json.Unmarshal(b, &arr)
if len(arr) != 2 {
return "", nil, errors.New("create_time_between requires 2 values")
}
if tbl, col, ok := sch.FilterColumn("create_time_between"); ok {
where = append(where, fmt.Sprintf("`%s`.%s BETWEEN ? AND ?", sch.TableName(tbl), escape(col)))
}
args = append(args, arr[0], arr[1])
}
if v, ok := req.Filters["type_eq"]; ok {
var tv int
switch t := v.(type) {
case float64:
tv = int(t)
case int:
tv = t
case string:
// simple digits parsing
for i := 0; i < len(t); i++ {
c := t[i]
if c < '0' || c > '9' {
continue
}
tv = tv*10 + int(c-'0')
}
}
if tv == 1 || tv == 2 || tv == 3 {
if tbl, col, ok := sch.FilterColumn("type_eq"); ok {
where = append(where, fmt.Sprintf("`%s`.%s = ?", sch.TableName(tbl), escape(col)))
}
args = append(args, tv)
}
}
if v, ok := req.Filters["out_trade_no_eq"]; ok {
s := toString(v)
if s != "" {
if tbl, col, ok := sch.FilterColumn("out_trade_no_eq"); ok {
where = append(where, fmt.Sprintf("`%s`.%s = ?", sch.TableName(tbl), escape(col)))
}
args = append(args, s)
}
}
if v, ok := req.Filters["account_eq"]; ok {
s := toString(v)
if s != "" {
if tbl, col, ok := sch.FilterColumn("account_eq"); ok {
where = append(where, fmt.Sprintf("`%s`.%s = ?", sch.TableName(tbl), escape(col)))
}
args = append(args, s)
}
}
if v, ok := req.Filters["plan_id_eq"]; ok {
s := toString(v)
if s != "" {
if tbl, col, ok := sch.FilterColumn("plan_id_eq"); ok {
where = append(where, fmt.Sprintf("`%s`.%s = ?", sch.TableName(tbl), escape(col)))
}
args = append(args, s)
}
}
if v, ok := req.Filters["key_batch_id_eq"]; ok {
s := toString(v)
if s != "" {
if tbl, col, ok := sch.FilterColumn("key_batch_id_eq"); ok {
where = append(where, fmt.Sprintf("`%s`.%s = ?", sch.TableName(tbl), escape(col)))
}
args = append(args, s)
}
}
if v, ok := req.Filters["product_id_eq"]; ok {
s := toString(v)
if s != "" {
if tbl, col, ok := sch.FilterColumn("product_id_eq"); ok {
where = append(where, fmt.Sprintf("`%s`.%s = ?", sch.TableName(tbl), escape(col)))
}
args = append(args, s)
}
}
if v, ok := req.Filters["reseller_id_eq"]; ok {
s := toString(v)
if s != "" {
if tbl, col, ok := sch.FilterColumn("reseller_id_eq"); ok {
where = append(where, fmt.Sprintf("`%s`.%s = ?", sch.TableName(tbl), escape(col)))
}
args = append(args, s)
}
}
if v, ok := req.Filters["code_batch_id_eq"]; ok {
s := toString(v)
if s != "" {
if tbl, col, ok := sch.FilterColumn("code_batch_id_eq"); ok {
where = append(where, fmt.Sprintf("`%s`.%s = ?", sch.TableName(tbl), escape(col)))
}
args = append(args, s)
}
}
if v, ok := req.Filters["order_cash_cash_activity_id_eq"]; ok {
s := toString(v)
if s != "" {
if tbl, col, ok := sch.FilterColumn("order_cash_cash_activity_id_eq"); ok {
where = append(where, fmt.Sprintf("`%s`.%s = ?", sch.TableName(tbl), escape(col)))
}
args = append(args, s)
}
}
if v, ok := req.Filters["order_voucher_channel_activity_id_eq"]; ok {
s := toString(v)
if s != "" {
if tbl, col, ok := sch.FilterColumn("order_voucher_channel_activity_id_eq"); ok {
where = append(where, fmt.Sprintf("`%s`.%s = ?", sch.TableName(tbl), escape(col)))
}
args = append(args, s)
}
}
if v, ok := req.Filters["voucher_batch_channel_activity_id_eq"]; ok {
s := toString(v)
if s != "" {
if tbl, col, ok := sch.FilterColumn("voucher_batch_channel_activity_id_eq"); ok {
where = append(where, fmt.Sprintf("`%s`.%s = ?", sch.TableName(tbl), escape(col)))
args = append(args, s)
}
}
}
if v, ok := req.Filters["merchant_out_biz_no_eq"]; ok {
s := toString(v)
if s != "" {
if tbl, col, ok := sch.FilterColumn("merchant_out_biz_no_eq"); ok {
where = append(where, fmt.Sprintf("`%s`.%s = ?", sch.TableName(tbl), escape(col)))
}
args = append(args, s)
}
}
if len(where) > 0 {
sb.WriteString(" WHERE ")
sb.WriteString(strings.Join(where, " AND "))
}
return sb.String(), args, nil
}
func escape(s string) string {
if s == "key" {
return "`key`"
}
if s == "index" {
return "`index`"
}
return s
}
func toString(v interface{}) string {
switch t := v.(type) {
case []byte:
return string(t)
case string:
return t
case int64:
return strconv.FormatInt(t, 10)
case int:
return strconv.Itoa(t)
case float64:
return strconv.FormatFloat(t, 'f', -1, 64)
default:
return ""
}
}