base_calculate.go 49 KB

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  1. package models
  2. import (
  3. "errors"
  4. "eta/eta_index_lib/utils"
  5. "fmt"
  6. "github.com/shopspring/decimal"
  7. "sort"
  8. "strconv"
  9. "time"
  10. )
  11. // EdbInfoData
  12. // @Description: 指标数据
  13. type EdbInfoData struct {
  14. EdbDataId int `description:"数据ID"`
  15. DataTime time.Time `description:"数据日期"`
  16. Value float64 `description:"数据"`
  17. }
  18. // BaseCalculateBySearchData
  19. // @Description: 基础的计算公式
  20. type BaseCalculateBySearchData struct {
  21. DataList []*EdbInfoSearchData
  22. Frequency string `description:"需要转换的频度"`
  23. Formula interface{}
  24. Calendar string `description:"公历/农历"`
  25. MoveType int `description:"移动方式:1:领先(默认),2:滞后"`
  26. MoveFrequency string `description:"移动频度"`
  27. FromFrequency string `description:"来源的频度"`
  28. Source int `description:"1:累计值转月;2:累计值转季;3:同比值;4:同差值;5:N数值移动平均数计算;6:环比值;7:环差值;8:升频;9:降频;10:时间移位;11:超季节性;12:年化;13:累计值;14:累计值年初至今;15:指数修匀;16:日均值"`
  29. }
  30. // BaseCalculate
  31. // @Description: 基础的计算公式
  32. type BaseCalculate struct {
  33. DataList []*EdbInfoData
  34. Frequency string `description:"需要转换的频度"`
  35. Formula interface{}
  36. Calendar string `description:"公历/农历"`
  37. MoveType int `description:"移动方式:1:领先(默认),2:滞后"`
  38. MoveFrequency string `description:"移动频度"`
  39. FromFrequency string `description:"来源的频度"`
  40. Source int `description:"1:累计值转月;2:累计值转季;3:同比值;4:同差值;5:N数值移动平均数计算;6:环比值;7:环差值;8:升频;9:降频;10:时间移位;11:超季节性;12:年化;13:累计值;14:累计值年初至今;15:指数修匀;16:日均值"`
  41. }
  42. type BaseCalculateResp struct {
  43. DataMap map[string]float64
  44. DateList []string
  45. }
  46. // Ljzzy
  47. // @Description: 累计值转月
  48. // @author: Roc
  49. // @receiver obj
  50. // @datetime2023-11-02 18:05:19
  51. // @return dateDataMap map[time.Time]float64
  52. // @return err error
  53. func (obj BaseCalculate) Ljzzy() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  54. dateDataMap = make(map[time.Time]float64)
  55. dataList := obj.DataList // 升序
  56. // 数据处理
  57. yearMap := make(map[int]map[int]*EdbInfoData)
  58. dataLen := len(dataList)
  59. for i := 0; i < dataLen; i++ {
  60. item := dataList[i]
  61. //日其中获取年
  62. itemDate := item.DataTime
  63. year := itemDate.Year()
  64. month := int(itemDate.Month())
  65. if monthMap, yok := yearMap[year]; yok {
  66. monthMap[month] = item
  67. yearMap[year] = monthMap
  68. } else {
  69. monthMap = make(map[int]*EdbInfoData)
  70. monthMap[month] = item
  71. yearMap[year] = monthMap
  72. }
  73. }
  74. // 开始计算
  75. for yk, yv := range yearMap {
  76. _, oneMonthOk := yv[1]
  77. _, twoMonthOk := yv[2]
  78. if !oneMonthOk && !twoMonthOk {
  79. continue
  80. }
  81. for i := 1; i <= 12; i++ {
  82. //fmt.Println(yk, i, yv[i])
  83. dataCurrentItem := yv[i]
  84. if dataCurrentItem == nil {
  85. continue
  86. }
  87. var date time.Time
  88. var val float64
  89. // 一二月单独处理
  90. if i == 1 || i == 2 {
  91. if _, mok := yv[1]; mok { //1月有值
  92. if i == 1 {
  93. date = dataCurrentItem.DataTime
  94. val, _ = decimal.NewFromFloat(dataCurrentItem.Value).Float64() //a.Div(b).Float64()
  95. }
  96. if i == 2 {
  97. dataOneItem := yv[1]
  98. date = dataCurrentItem.DataTime
  99. twoMonth := decimal.NewFromFloat(dataCurrentItem.Value)
  100. oneMonth := decimal.NewFromFloat(dataOneItem.Value)
  101. val, _ = twoMonth.Sub(oneMonth).Float64()
  102. }
  103. } else { //1月无值
  104. dataTwoItem := yv[2]
  105. if i == 1 {
  106. dateStr := strconv.Itoa(yk) + "-01-31"
  107. a := decimal.NewFromFloat(dataTwoItem.Value)
  108. b := decimal.NewFromFloat(2.0)
  109. val, _ = a.Div(b).Float64()
  110. date, err = time.ParseInLocation(utils.FormatDate, dateStr, time.Local)
  111. if err != nil {
  112. return
  113. }
  114. }
  115. if i == 2 {
  116. //1月无值:1月=2月/2 (不管怎样,都要给1月赋值)
  117. {
  118. dateStr := strconv.Itoa(yk) + "-01-31"
  119. a := decimal.NewFromFloat(dataTwoItem.Value)
  120. b := decimal.NewFromFloat(2.0)
  121. val, _ = a.Div(b).Float64()
  122. date, err = time.ParseInLocation(utils.FormatDate, dateStr, time.Local)
  123. if err != nil {
  124. return
  125. }
  126. dateDataMap[date] = val
  127. }
  128. //end 1月无值
  129. // 这是正常二月份的值
  130. date = dataCurrentItem.DataTime
  131. a := decimal.NewFromFloat(dataTwoItem.Value)
  132. b := decimal.NewFromFloat(2.0)
  133. val, _ = a.Div(b).Float64()
  134. }
  135. }
  136. } else {
  137. dataPreItem := yv[i-1]
  138. if dataCurrentItem != nil && dataPreItem != nil {
  139. date = dataCurrentItem.DataTime
  140. //val = dataCurrentItem.Value - dataPreItem.Value
  141. a := decimal.NewFromFloat(dataCurrentItem.Value)
  142. b := decimal.NewFromFloat(dataPreItem.Value)
  143. val, _ = a.Sub(b).Float64()
  144. }
  145. }
  146. // 如果没有日期,那么就退出当前循环,进入下一个循环
  147. if date.IsZero() {
  148. continue
  149. }
  150. dateDataMap[date] = val
  151. }
  152. }
  153. return
  154. }
  155. // Ljzzj
  156. // @Description: 累计值转季度
  157. // @author: Roc
  158. // @receiver obj
  159. // @datetime2023-11-02 18:05:05
  160. // @return dateDataMap map[time.Time]float64
  161. // @return err error
  162. func (obj BaseCalculate) Ljzzj() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  163. dateDataMap = make(map[time.Time]float64)
  164. dataList := obj.DataList // 升序
  165. // 数据处理
  166. yearMap := make(map[int]map[int]*EdbInfoData)
  167. dataLen := len(dataList)
  168. for i := 0; i < dataLen; i++ {
  169. item := dataList[i]
  170. //日其中获取年
  171. itemDate := item.DataTime
  172. year := itemDate.Year()
  173. quarter := utils.MonthQuarterMap[int(itemDate.Month())]
  174. if quarterMap, yok := yearMap[year]; yok {
  175. quarterMap[quarter] = item
  176. yearMap[year] = quarterMap
  177. } else {
  178. quarterMap = make(map[int]*EdbInfoData)
  179. quarterMap[quarter] = item
  180. yearMap[year] = quarterMap
  181. }
  182. }
  183. // 开始计算
  184. for yk, yv := range yearMap {
  185. _, oneQuarterOk := yv[1]
  186. _, twoQuarterOk := yv[2]
  187. if !oneQuarterOk && !twoQuarterOk {
  188. continue
  189. }
  190. for i := 1; i <= 4; i++ {
  191. //fmt.Println(yk, i, yv[i])
  192. dataCurrentItem := yv[i]
  193. if dataCurrentItem == nil {
  194. continue
  195. }
  196. var date time.Time
  197. var val float64
  198. // 一二季度单独处理
  199. if i == 1 || i == 2 {
  200. if _, mok := yv[1]; mok { //第1个季度有值
  201. if i == 1 {
  202. date = dataCurrentItem.DataTime
  203. val, _ = decimal.NewFromFloat(dataCurrentItem.Value).Float64() //a.Div(b).Float64()
  204. }
  205. if i == 2 {
  206. dataOneItem := yv[1]
  207. date = dataCurrentItem.DataTime
  208. twoQuarter := decimal.NewFromFloat(dataCurrentItem.Value)
  209. oneQuarter := decimal.NewFromFloat(dataOneItem.Value)
  210. val, _ = twoQuarter.Sub(oneQuarter).Float64()
  211. }
  212. } else { //第1个季度无值
  213. dataTwoItem := yv[2]
  214. if i == 1 {
  215. dateStr := strconv.Itoa(yk) + "-03-31"
  216. a := decimal.NewFromFloat(dataTwoItem.Value)
  217. b := decimal.NewFromFloat(2.0)
  218. val, _ = a.Div(b).Float64()
  219. date, err = time.ParseInLocation(utils.FormatDate, dateStr, time.Local)
  220. if err != nil {
  221. return
  222. }
  223. }
  224. if i == 2 {
  225. //第1个季度无值:第1个季度=第2个季度/2 (不管怎样,都要给1季度赋值)
  226. {
  227. dateStr := strconv.Itoa(yk) + "-03-31"
  228. a := decimal.NewFromFloat(dataTwoItem.Value)
  229. b := decimal.NewFromFloat(2.0)
  230. val, _ = a.Div(b).Float64()
  231. date, err = time.ParseInLocation(utils.FormatDate, dateStr, time.Local)
  232. if err != nil {
  233. return
  234. }
  235. dateDataMap[date] = val
  236. }
  237. //end 第1个季度无值
  238. date = dataCurrentItem.DataTime
  239. a := decimal.NewFromFloat(dataTwoItem.Value)
  240. b := decimal.NewFromFloat(2.0)
  241. val, _ = a.Div(b).Float64()
  242. }
  243. }
  244. } else {
  245. dataPreItem := yv[i-1]
  246. if dataCurrentItem != nil && dataPreItem != nil {
  247. date = dataCurrentItem.DataTime
  248. //val = dataCurrentItem.Value - dataPreItem.Value
  249. a := decimal.NewFromFloat(dataCurrentItem.Value)
  250. b := decimal.NewFromFloat(dataPreItem.Value)
  251. val, _ = a.Sub(b).Float64()
  252. }
  253. }
  254. // 如果没有日期,那么就退出当前循环,进入下一个循环
  255. if date.IsZero() {
  256. continue
  257. }
  258. dateDataMap[date] = val
  259. }
  260. }
  261. return
  262. }
  263. // Tbz
  264. // @Description: 同比值计算
  265. // @author: Roc
  266. // @receiver obj
  267. // @datetime2023-11-02 18:04:59
  268. // @return dateDataMap map[time.Time]float64
  269. // @return err error
  270. func (obj BaseCalculate) Tbz() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  271. dateDataMap = make(map[time.Time]float64)
  272. dataList := obj.DataList
  273. frequency := obj.FromFrequency
  274. //数据处理
  275. // 数据降序
  276. dataList = reverseSliceByDesc(dataList)
  277. var dateArr []time.Time
  278. dataMap := make(map[string]*EdbInfoData) // 避免因为时间戳导致的日期不对,还是用string来表示比较合适
  279. for _, v := range dataList {
  280. dateArr = append(dateArr, v.DataTime)
  281. dataMap[v.DataTime.Format(utils.FormatDate)] = v
  282. }
  283. // 开始计算
  284. for _, currentDate := range dateArr {
  285. //当前日期
  286. currentDateStr := currentDate.Format(utils.FormatDate)
  287. currentItem, ok := dataMap[currentDateStr]
  288. if !ok {
  289. continue
  290. }
  291. // 找到的数据
  292. var findItem *EdbInfoData
  293. //上一年的日期
  294. preDate := currentDate.AddDate(-1, 0, 0)
  295. preDateStr := preDate.Format(utils.FormatDate)
  296. if findItem, ok = dataMap[preDateStr]; !ok { //上一年同期没找到
  297. if frequency == "月度" { //向上和向下,各找一个月
  298. for i := 0; i <= 35; i++ {
  299. nextDateDay := preDate.AddDate(0, 0, i)
  300. nextDateDayStr := nextDateDay.Format(utils.FormatDate)
  301. if findItem, ok = dataMap[nextDateDayStr]; ok { //上一年同期->下一个月找到
  302. break
  303. } else {
  304. preDateDay := preDate.AddDate(0, 0, -i)
  305. preDateDayStr := preDateDay.Format(utils.FormatDate)
  306. if findItem, ok = dataMap[preDateDayStr]; ok { //上一年同期->上一个月找到
  307. break
  308. }
  309. }
  310. }
  311. } else if frequency == "季度" || frequency == "年度" {
  312. if findItem, ok = dataMap[preDateStr]; ok { //上一年同期->下一个月找到
  313. break
  314. }
  315. } else {
  316. nextDateDay := preDate.AddDate(0, 0, 1)
  317. nextDateDayStr := nextDateDay.Format(utils.FormatDate)
  318. preDateDay := preDate.AddDate(0, 0, -1)
  319. preDateDayStr := preDateDay.Format(utils.FormatDate)
  320. for i := 0; i < 35; i++ {
  321. if i >= 1 {
  322. nextDateDay = nextDateDay.AddDate(0, 0, i)
  323. nextDateDayStr = nextDateDay.Format(utils.FormatDate)
  324. }
  325. if findItem, ok = dataMap[nextDateDayStr]; ok { //上一年同期->下一个月找到
  326. break
  327. } else {
  328. if i >= 1 {
  329. preDateDay = preDateDay.AddDate(0, 0, -i)
  330. preDateDayStr = preDateDay.Format(utils.FormatDate)
  331. }
  332. if findItem, ok = dataMap[preDateDayStr]; ok { //上一年同期->上一个月找到
  333. break
  334. }
  335. }
  336. }
  337. }
  338. }
  339. // 如果没找到数据
  340. if findItem == nil {
  341. continue
  342. }
  343. dateDataMap[currentDate] = tbzDiv(currentItem.Value, findItem.Value)
  344. }
  345. return
  346. }
  347. // tbzDiv
  348. // @Description: 同比值计算
  349. // @author: Roc
  350. // @datetime2023-11-02 16:29:14
  351. // @param a float64
  352. // @param b float64
  353. // @return float64
  354. func tbzDiv(a, b float64) float64 {
  355. var val float64
  356. if b != 0 {
  357. af := decimal.NewFromFloat(a)
  358. bf := decimal.NewFromFloat(b)
  359. val, _ = af.Div(bf).Sub(decimal.NewFromFloat(1)).RoundCeil(4).Float64()
  360. }
  361. return val
  362. }
  363. // Tcz
  364. // @Description: 计算同差值
  365. // @author: Roc
  366. // @receiver obj
  367. // @datetime2023-11-02 18:04:51
  368. // @return dateDataMap map[time.Time]float64
  369. // @return err error
  370. func (obj BaseCalculate) Tcz() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  371. dateDataMap = make(map[time.Time]float64)
  372. dataList := obj.DataList // 降序
  373. frequency := obj.FromFrequency
  374. // 数据处理
  375. // 数据降序
  376. dataList = reverseSliceByDesc(dataList)
  377. var dateArr []time.Time
  378. dataMap := make(map[string]*EdbInfoData)
  379. for _, v := range dataList {
  380. dateArr = append(dateArr, v.DataTime)
  381. dataMap[v.DataTime.Format(utils.FormatDate)] = v
  382. }
  383. // 开始计算
  384. for _, currentDate := range dateArr {
  385. //当前日期
  386. currentItem, ok := dataMap[currentDate.Format(utils.FormatDate)]
  387. if !ok {
  388. continue
  389. }
  390. // 找到的数据
  391. var findItem *EdbInfoData
  392. //上一年的日期
  393. preDate := currentDate.AddDate(-1, 0, 0)
  394. preDateStr := preDate.Format(utils.FormatDate)
  395. if findItem, ok = dataMap[preDateStr]; !ok {
  396. //上一年同期没找到
  397. if frequency == "月度" { //向上和向下,各找一个月
  398. for i := 0; i <= 35; i++ {
  399. nextDateDay := preDate.AddDate(0, 0, i)
  400. nextDateDayStr := nextDateDay.Format(utils.FormatDate)
  401. if findItem, ok = dataMap[nextDateDayStr]; ok { //上一年同期->下一个月找到
  402. break
  403. } else {
  404. preDateDay := preDate.AddDate(0, 0, -i)
  405. preDateDayStr := preDateDay.Format(utils.FormatDate)
  406. if findItem, ok = dataMap[preDateDayStr]; ok { //上一年同期->上一个月找到
  407. break
  408. }
  409. }
  410. }
  411. } else if frequency == "季度" || frequency == "年度" {
  412. if findItem, ok = dataMap[preDateStr]; ok { //上一年同期->下一个月找到
  413. break
  414. }
  415. } else {
  416. for i := 0; i < 35; i++ {
  417. nextDateDay := preDate.AddDate(0, 0, i)
  418. nextDateDayStr := nextDateDay.Format(utils.FormatDate)
  419. if findItem, ok = dataMap[nextDateDayStr]; ok { //上一年同期->下一个月找到
  420. break
  421. } else {
  422. preDateDay := preDate.AddDate(0, 0, -i)
  423. preDateDayStr := preDateDay.Format(utils.FormatDate)
  424. if findItem, ok = dataMap[preDateDayStr]; ok { //上一年同期->上一个月找到
  425. break
  426. }
  427. }
  428. }
  429. }
  430. }
  431. // 如果没找到数据
  432. if findItem == nil {
  433. continue
  434. }
  435. dateDataMap[currentDate] = tczSub(currentItem.Value, findItem.Value)
  436. }
  437. return
  438. }
  439. // tczSub
  440. // @Description: 计算同差值
  441. // @author: Roc
  442. // @datetime2023-11-02 18:01:46
  443. // @param a float64
  444. // @param b float64
  445. // @return float64
  446. func tczSub(a, b float64) float64 {
  447. af := decimal.NewFromFloat(a)
  448. bf := decimal.NewFromFloat(b)
  449. val, _ := af.Sub(bf).RoundCeil(4).Float64()
  450. return val
  451. }
  452. // Nszydpjjs
  453. // @Description: N数值移动平均数计算
  454. // @author: Roc
  455. // @receiver obj
  456. // @datetime2023-11-02 18:17:38
  457. // @return dateDataMap map[time.Time]float64
  458. // @return err error
  459. func (obj BaseCalculate) Nszydpjjs() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  460. dateDataMap = make(map[time.Time]float64)
  461. fromDataList := obj.DataList
  462. nVal := fmt.Sprint(obj.Formula)
  463. formulaInt, err := strconv.Atoi(nVal)
  464. if err != nil {
  465. return
  466. }
  467. // 数据处理
  468. // 数据降序
  469. fromDataList = reverseSliceByDesc(fromDataList)
  470. var fromDateArr []time.Time
  471. fromDataMap := make(map[time.Time]*EdbInfoData)
  472. for _, v := range fromDataList {
  473. fromDateArr = append(fromDateArr, v.DataTime)
  474. fromDataMap[v.DataTime] = v
  475. }
  476. arrLen := len(fromDateArr)
  477. for ak, currentDate := range fromDateArr {
  478. //处理第一个值
  479. var valArr []float64
  480. if findItem, ok := fromDataMap[currentDate]; ok {
  481. valArr = append(valArr, findItem.Value)
  482. } else {
  483. continue
  484. }
  485. if ak+1 != arrLen {
  486. //处理除第一个值之外的N-1个值
  487. for i := 1; i < formulaInt; i++ {
  488. arrIndex := ak + i
  489. if arrIndex >= arrLen {
  490. break
  491. }
  492. arrVal := fromDateArr[arrIndex]
  493. if findItem, ok := fromDataMap[arrVal]; ok {
  494. valArr = append(valArr, findItem.Value)
  495. } else {
  496. continue
  497. }
  498. }
  499. }
  500. valArrLen := len(valArr)
  501. //var totalVal float64
  502. totalVal := decimal.NewFromFloat(0.00)
  503. for _, v := range valArr {
  504. newDecimal := decimal.NewFromFloat(v)
  505. totalVal = totalVal.Add(newDecimal)
  506. }
  507. af := totalVal //decimal.NewFromFloat(totalVal)
  508. bf := decimal.NewFromFloat(float64(valArrLen))
  509. val, _ := af.Div(bf).RoundCeil(4).Float64()
  510. dateDataMap[currentDate] = val
  511. }
  512. return
  513. }
  514. // Hbz
  515. // @Description: 环比值计算
  516. // @author: Roc
  517. // @receiver obj
  518. // @datetime2023-11-02 18:28:24
  519. // @return dateDataMap map[time.Time]float64
  520. // @return err error
  521. func (obj BaseCalculate) Hbz() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  522. dateDataMap = make(map[time.Time]float64)
  523. dataList := obj.DataList
  524. nVal := fmt.Sprint(obj.Formula)
  525. formulaInt, err := strconv.Atoi(nVal)
  526. if err != nil {
  527. return
  528. }
  529. // 数据处理
  530. // 数据降序
  531. dataList = reverseSliceByDesc(dataList)
  532. var dateArr []time.Time
  533. for _, v := range dataList {
  534. dateArr = append(dateArr, v.DataTime)
  535. }
  536. // 数据计算
  537. dataLen := len(dataList)
  538. //fmt.Println("dataLen:", dataLen)
  539. for i := 0; i < dataLen; i++ {
  540. j := i + formulaInt
  541. if j < dataLen {
  542. //当期
  543. currentItem := dataList[i]
  544. preItem := dataList[j]
  545. // 当期和上期没有数据
  546. if currentItem == nil || preItem == nil {
  547. continue
  548. }
  549. // 开始计算
  550. val, ok := hbzDiv(currentItem.Value, preItem.Value)
  551. // 计算失败
  552. if !ok {
  553. continue
  554. }
  555. dateDataMap[currentItem.DataTime] = val
  556. }
  557. }
  558. return
  559. }
  560. // hbzDiv
  561. // @Description: 环比值计算,current:当期,pre:上期 公式: (当期-上期)/上期
  562. // @author: Roc
  563. // @datetime2023-11-02 18:20:11
  564. // @param current float64
  565. // @param pre float64
  566. // @return val float64
  567. // @return ok bool
  568. func hbzDiv(current, pre float64) (val float64, ok bool) {
  569. if pre == 0 {
  570. return
  571. }
  572. currentVal := decimal.NewFromFloat(current)
  573. preVal := decimal.NewFromFloat(pre)
  574. val, _ = currentVal.Sub(preVal).Div(preVal).RoundCeil(4).Float64()
  575. //valStr := decimal.NewFromFloat(val).RoundCeil(4).String() //utils.SubFloatToString(val, 4)
  576. ok = true
  577. return
  578. }
  579. // Hcz
  580. // @Description: 计算环差值数据
  581. // @author: Roc
  582. // @receiver obj
  583. // @datetime2023-11-02 18:33:20
  584. // @return dateDataMap map[time.Time]float64
  585. // @return err error
  586. func (obj BaseCalculate) Hcz() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  587. dateDataMap = make(map[time.Time]float64)
  588. dataList := obj.DataList
  589. nVal := fmt.Sprint(obj.Formula)
  590. formulaInt, err := strconv.Atoi(nVal)
  591. if err != nil {
  592. return
  593. }
  594. // 数据处理
  595. // 数据降序
  596. dataList = reverseSliceByDesc(dataList)
  597. var dateArr []time.Time
  598. for _, v := range dataList {
  599. dateArr = append(dateArr, v.DataTime)
  600. }
  601. dataLen := len(dataList)
  602. fmt.Println("dataLen:", dataLen)
  603. for i := 0; i < dataLen; i++ {
  604. j := i + formulaInt
  605. if j < dataLen {
  606. //当期
  607. currentItem := dataList[i]
  608. preItem := dataList[j]
  609. // 当期和上期没有数据
  610. if currentItem == nil || preItem == nil {
  611. continue
  612. }
  613. // 开始计算
  614. val := hczDiv(currentItem.Value, preItem.Value)
  615. dateDataMap[currentItem.DataTime] = val
  616. }
  617. }
  618. return
  619. }
  620. // hczDiv
  621. // @Description: 环差值计算,current:当期,pre:上期 公式:当期-上期
  622. // @author: Roc
  623. // @datetime2023-11-02 18:33:07
  624. // @param current float64
  625. // @param pre float64
  626. // @return float64
  627. func hczDiv(current, pre float64) float64 {
  628. currentVal := decimal.NewFromFloat(current)
  629. preVal := decimal.NewFromFloat(pre)
  630. val, _ := currentVal.Sub(preVal).RoundCeil(4).Float64()
  631. //valStr := decimal.NewFromFloat(val).RoundCeil(4).String() //utils.SubFloatToString(val, 4)
  632. return val
  633. }
  634. // UpFrequency
  635. // @Description: 升频计算
  636. // @author: Roc
  637. // @receiver obj
  638. // @datetime2023-11-02 18:43:03
  639. // @return dateDataMap map[time.Time]float64
  640. // @return err error
  641. func (obj BaseCalculate) UpFrequency() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  642. dateDataMap = make(map[time.Time]float64)
  643. dataList := obj.DataList
  644. // 数据处理
  645. var dateArr []time.Time
  646. dataMap := make(map[time.Time]*EdbInfoData)
  647. fromDataMap := make(map[time.Time]float64)
  648. //来源指指标数据
  649. for _, v := range dataList {
  650. dateArr = append(dateArr, v.DataTime)
  651. dataMap[v.DataTime] = v
  652. fromDataMap[v.DataTime] = v.Value
  653. }
  654. if obj.FromFrequency == `日度` {
  655. errMsg = `不能选择日度指标`
  656. err = errors.New(errMsg)
  657. return
  658. }
  659. // 数据计算
  660. dataLen := len(dataList)
  661. for i := 0; i < dataLen; i++ {
  662. //当期
  663. currentItem := dataList[i]
  664. currentDate := currentItem.DataTime
  665. var day int
  666. var preItem *EdbInfoData
  667. var preDate time.Time
  668. if i == 0 {
  669. day = int(time.Now().Sub(currentDate).Hours() / float64(24))
  670. preDate = time.Now()
  671. } else {
  672. j := i - 1
  673. if j < dataLen {
  674. preItem = dataList[j]
  675. day = int(preItem.DataTime.Sub(currentDate).Hours() / float64(24))
  676. utils.FileLog.Info("preItem.DataTime:" + preItem.DataTime.Format(utils.FormatDate) + ";currentItem.DataTime" + currentItem.DataTime.Format(utils.FormatDate))
  677. }
  678. }
  679. for k := 0; k <= day; k++ {
  680. needDay := preDate.AddDate(0, 0, -k)
  681. dateDataMap[needDay] = currentItem.Value
  682. }
  683. dateDataMap[currentItem.DataTime] = currentItem.Value
  684. }
  685. return
  686. }
  687. // DownFrequency
  688. // @Description: 降频计算
  689. // @author: Roc
  690. // @receiver obj
  691. // @datetime2023-11-02 18:51:26
  692. // @return dateDataMap map[time.Time]float64
  693. // @return err error
  694. func (obj BaseCalculate) DownFrequency() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  695. dateDataMap = make(map[time.Time]float64)
  696. dataList := obj.DataList
  697. edbFrequency := obj.Frequency
  698. formula := obj.Formula.(string)
  699. if !CheckFrequency(obj.FromFrequency, obj.Frequency) {
  700. errMsg = "频度异常,不允许低频降频到高频"
  701. err = errors.New(errMsg)
  702. return
  703. }
  704. // 数据处理
  705. var dateArr []time.Time
  706. dataMap := make(map[time.Time]*EdbInfoData)
  707. fromDataMap := make(map[time.Time]float64)
  708. //来源指指标数据
  709. for _, v := range dataList {
  710. dateArr = append(dateArr, v.DataTime)
  711. dataMap[v.DataTime] = v
  712. fromDataMap[v.DataTime] = v.Value
  713. }
  714. // 数据计算
  715. dataLen := len(dataList)
  716. if dataLen <= 0 {
  717. return
  718. }
  719. startDataTime := dataList[0].DataTime
  720. endDataTime := dataList[dataLen-1].DataTime
  721. var lastValue float64 // 最近的值
  722. var nextEndDate time.Time // 下一个节点的日期
  723. weekDayDataList := make([]float64, 0)
  724. for tmpStartDataTime := startDataTime; !tmpStartDataTime.After(endDataTime); tmpStartDataTime = tmpStartDataTime.AddDate(0, 0, 1) {
  725. // 将当前数据加入到 weekDayDataList
  726. if tmpData, ok := dataMap[tmpStartDataTime]; ok {
  727. tmpValue := decimal.NewFromFloat(tmpData.Value)
  728. tmpValueFloat, _ := tmpValue.Round(4).Float64()
  729. weekDayDataList = append(weekDayDataList, tmpValueFloat)
  730. }
  731. // 如果下个节点的日期不存在,那么就先给赋值(兼容时间区间内只有一组数据的情况)
  732. if nextEndDate.IsZero() {
  733. nextEndDate = utils.GetFrequencyEndDay(tmpStartDataTime, edbFrequency)
  734. }
  735. // 日期处理过滤
  736. switch edbFrequency {
  737. case "周度":
  738. if tmpStartDataTime.Weekday() != 5 {
  739. //不是周五,代表需要进入下一个循环获取数据并计算
  740. continue
  741. } else {
  742. //记录下一个结束节点的日期
  743. nextEndDate = tmpStartDataTime.AddDate(0, 0, 7)
  744. }
  745. case "旬度":
  746. nextDay := tmpStartDataTime.AddDate(0, 0, 1)
  747. if nextDay.Day() != 1 && nextDay.Day() != 11 && nextDay.Day() != 21 {
  748. //不是每月10、20、最后一天,代表需要进入下一个循环获取数据并计算
  749. continue
  750. } else {
  751. //记录下一个结束节点的日期
  752. if nextDay.Day() == 1 || nextDay.Day() == 11 {
  753. //月初或者月末的时候,加10天就好了
  754. nextEndDate = nextDay.AddDate(0, 0, 9)
  755. } else {
  756. tmpNextMonth := nextDay.AddDate(0, 1, 0)
  757. nextEndDate = time.Date(tmpNextMonth.Year(), tmpNextMonth.Month(), 1, 0, 0, 0, 0, time.Local).AddDate(0, 0, -1)
  758. }
  759. }
  760. case "月度":
  761. nextDay := tmpStartDataTime.AddDate(0, 0, 1)
  762. if nextDay.Day() != 1 {
  763. //不是每月最后一天,代表需要进入下一个循环获取数据并计算
  764. continue
  765. } else {
  766. //记录下一个结束节点的日期
  767. nextEndDate = nextDay.AddDate(0, 1, -1)
  768. }
  769. case "季度":
  770. nextDay := tmpStartDataTime.AddDate(0, 0, 1)
  771. if (nextDay.Month() == 1 || nextDay.Month() == 4 || nextDay.Month() == 7 || nextDay.Month() == 10) && nextDay.Day() == 1 {
  772. //记录下一个结束节点的日期
  773. nextEndDate = nextDay.AddDate(0, 3, -1)
  774. } else {
  775. //不是3,6,9,12 月份的最后一天,代表需要进入下一个循环获取数据并计算
  776. continue
  777. }
  778. case "年度":
  779. if tmpStartDataTime.Month() == 12 && tmpStartDataTime.Day() == 31 {
  780. //记录下一个结束节点的日期
  781. nextEndDate = tmpStartDataTime.AddDate(1, 0, 0)
  782. } else {
  783. //不是每年的12-31日,代表需要进入下一个循环获取数据并计算
  784. continue
  785. }
  786. default:
  787. err = errors.New("错误的频度:" + edbFrequency)
  788. return
  789. }
  790. // 当前时间段内的数据计算,得出实际值
  791. var currVal float64
  792. lenWeekDayDataList := len(weekDayDataList)
  793. // 如果这个时间区间内没有数据,那么就采用上一个时间区间的值
  794. if len(weekDayDataList) <= 0 {
  795. currVal = lastValue
  796. } else {
  797. if formula == "期末值" {
  798. currVal = weekDayDataList[lenWeekDayDataList-1]
  799. } else {
  800. // 平均值
  801. sumValDeci := decimal.NewFromFloat(0)
  802. for _, v := range weekDayDataList {
  803. tmpValDeci := decimal.NewFromFloat(v)
  804. sumValDeci = sumValDeci.Add(tmpValDeci)
  805. }
  806. lenDeci := decimal.NewFromInt(int64(lenWeekDayDataList))
  807. currVal, _ = sumValDeci.Div(lenDeci).Round(4).Float64()
  808. }
  809. }
  810. // 赋值
  811. dateDataMap[tmpStartDataTime] = currVal
  812. // 一轮结束后,数据清空
  813. weekDayDataList = make([]float64, 0)
  814. }
  815. // 最后已有的日期处理完成后,需要对剩余不在时间段内的数据做处理
  816. if len(weekDayDataList) > 0 {
  817. // 当前时间段内的数据计算,得出实际值
  818. var currVal float64
  819. lenWeekDayDataList := len(weekDayDataList)
  820. // 如果这个时间区间内没有数据,那么就采用上一个时间区间的值
  821. if len(weekDayDataList) < 0 {
  822. currVal = lastValue
  823. } else {
  824. if formula == "期末值" {
  825. currVal = weekDayDataList[lenWeekDayDataList-1]
  826. } else {
  827. // 平均值
  828. sumValDeci := decimal.NewFromFloat(0)
  829. for _, v := range weekDayDataList {
  830. tmpValDeci := decimal.NewFromFloat(v)
  831. sumValDeci = sumValDeci.Add(tmpValDeci)
  832. }
  833. lenDeci := decimal.NewFromInt(int64(lenWeekDayDataList))
  834. currVal, _ = sumValDeci.Div(lenDeci).Round(4).Float64()
  835. }
  836. }
  837. // 赋值
  838. dateDataMap[nextEndDate] = currVal
  839. }
  840. return
  841. }
  842. // TimeShift
  843. // @Description: 时间移位计算
  844. // @author: Roc
  845. // @receiver obj
  846. // @datetime2023-11-03 13:19:07
  847. // @return dateDataMap map[time.Time]float64
  848. // @return err error
  849. func (obj BaseCalculate) TimeShift() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  850. dateDataMap = make(map[time.Time]float64)
  851. dataList := obj.DataList
  852. nVal := fmt.Sprint(obj.Formula)
  853. formulaInt, err := strconv.Atoi(nVal)
  854. if err != nil {
  855. return
  856. }
  857. moveType := obj.MoveType
  858. moveFrequency := obj.MoveFrequency
  859. // 数据处理
  860. var dateArr []time.Time
  861. dataMap := make(map[time.Time]*EdbInfoData)
  862. for _, v := range dataList {
  863. dateArr = append(dateArr, v.DataTime)
  864. dataMap[v.DataTime] = v
  865. }
  866. var shiftDay int
  867. switch moveFrequency {
  868. case "天":
  869. shiftDay = formulaInt
  870. case "周":
  871. shiftDay = formulaInt * 7
  872. case "月":
  873. shiftDay = formulaInt * 30
  874. case "季":
  875. shiftDay = formulaInt * 90
  876. case "年":
  877. shiftDay = formulaInt * 365
  878. default:
  879. shiftDay = formulaInt
  880. }
  881. if moveType == 2 {
  882. shiftDay = -shiftDay
  883. }
  884. dataLen := len(dataList)
  885. for i := 0; i < dataLen; i++ {
  886. //当期
  887. currentItem := dataList[i]
  888. currentDate := currentItem.DataTime
  889. newDate := currentDate.AddDate(0, 0, shiftDay)
  890. val, _ := decimal.NewFromFloat(currentItem.Value).RoundCeil(4).Float64()
  891. dateDataMap[newDate] = val
  892. }
  893. return
  894. }
  895. // Cjjx
  896. // @Description: 超季节性计算
  897. // @author: Roc
  898. // @receiver obj
  899. // @datetime2023-11-03 13:28:23
  900. // @return dateDataMap map[time.Time]float64
  901. // @return err error
  902. func (obj BaseCalculate) Cjjx() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  903. dateDataMap = make(map[time.Time]float64)
  904. dataList := obj.DataList
  905. nVal := fmt.Sprint(obj.Formula)
  906. formulaInt, err := strconv.Atoi(nVal)
  907. if err != nil {
  908. return
  909. }
  910. calendar := obj.Calendar
  911. // 数据处理
  912. var dateArr []time.Time
  913. dataMap := make(map[time.Time]*EdbInfoData)
  914. for _, v := range dataList {
  915. dateArr = append(dateArr, v.DataTime)
  916. dataMap[v.DataTime] = v
  917. }
  918. // 通过插值法补全所有数据(包含周末)
  919. handleDataMap := make(map[time.Time]float64)
  920. _, err = HandleDataByLinearRegressionByTime(dataList, handleDataMap)
  921. if err != nil {
  922. return
  923. }
  924. // 每个年份的日期数据需要平移的天数
  925. moveDayMap := make(map[int]int, 0) // 每个年份的春节公历
  926. var lastDataDay time.Time
  927. if len(dataList) > 0 {
  928. lastDataDay = dataList[0].DataTime
  929. }
  930. // 数据计算
  931. for _, currentDate := range dateArr {
  932. //农历的超季节性运算,只计算11月--次年5月,分段计算,与数据区间和N数值有关
  933. if calendar == "农历" && currentDate.Month() > 5 && currentDate.Month() < 11 {
  934. continue
  935. }
  936. currentItem, ok := dataMap[currentDate]
  937. // 找不到数据就退出当前循环,进入下一循环
  938. if !ok {
  939. continue
  940. }
  941. pastValueList := make([]float64, 0) // 过去几期的数据
  942. pastValueList = append(pastValueList, currentItem.Value) //当前日期
  943. for i := 1; i < formulaInt; i++ {
  944. //前几年当天公历的日期
  945. historyPreDate := currentDate.AddDate(-i, 0, 0)
  946. moveDay := 0
  947. if calendar == "农历" {
  948. if tmpMoveDay, ok := moveDayMap[historyPreDate.Year()]; !ok {
  949. moveDay, err = getMoveDay(lastDataDay, historyPreDate)
  950. if err != nil {
  951. return
  952. }
  953. } else {
  954. moveDay = tmpMoveDay
  955. }
  956. // 移动天数到对应农历 的 公历 日期
  957. historyPreDate = historyPreDate.AddDate(0, 0, moveDay)
  958. }
  959. if tmpValue, ok := handleDataMap[historyPreDate]; ok { //上一年同期找到
  960. pastValueList = append(pastValueList, tmpValue)
  961. }
  962. }
  963. if len(pastValueList) == formulaInt {
  964. val, ok := cjjxSub(currentItem.Value, pastValueList)
  965. if !ok {
  966. continue
  967. }
  968. dateDataMap[currentDate] = val
  969. }
  970. }
  971. return
  972. }
  973. // cjjxSub
  974. // @Description: 超季节性计算
  975. // @author: Roc
  976. // @datetime2023-11-03 13:25:49
  977. // @param currValue float64
  978. // @param pastValue []float64
  979. // @return value float64
  980. // @return ok bool
  981. func cjjxSub(currValue float64, pastValue []float64) (value float64, ok bool) {
  982. num := len(pastValue)
  983. if num == 0 {
  984. return
  985. }
  986. numDecimal := decimal.NewFromInt(int64(num))
  987. af := decimal.NewFromFloat(currValue)
  988. bf := decimal.NewFromFloat(pastValue[0])
  989. for k := 1; k < num; k++ {
  990. tmpVal := decimal.NewFromFloat(pastValue[k])
  991. bf = bf.Add(tmpVal)
  992. }
  993. value, _ = af.Sub(bf.Div(numDecimal)).RoundCeil(4).Float64()
  994. ok = true
  995. return
  996. }
  997. // Annualized
  998. // @Description: 年化计算
  999. // @author: Roc
  1000. // @receiver obj
  1001. // @datetime2023-11-03 13:34:32
  1002. // @param to orm.TxOrmer
  1003. // @param edbInfoId int
  1004. // @param source int
  1005. // @param fromEdbInfo *EdbInfo
  1006. // @param edbCode string
  1007. // @return dateDataMap map[time.Time]float64
  1008. // @return err error
  1009. func (obj BaseCalculate) Annualized() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  1010. dateDataMap = make(map[time.Time]float64)
  1011. fromDataList := obj.DataList
  1012. lenFromDataList := len(fromDataList)
  1013. // 如果来源指标没有数据,那么就直接返回得了
  1014. if lenFromDataList <= 0 {
  1015. return
  1016. }
  1017. // 数据处理
  1018. // 插值法数据处理
  1019. handleDataMap := make(map[time.Time]float64)
  1020. _, err = HandleDataByLinearRegressionByTime(fromDataList, handleDataMap)
  1021. if err != nil {
  1022. return
  1023. }
  1024. // 每年的最后一天的数据值
  1025. yearLastValMap := make(map[int]float64)
  1026. startDataTime := fromDataList[0].DataTime
  1027. endDataTime := fromDataList[lenFromDataList-1].DataTime
  1028. for i := startDataTime.Year(); i <= endDataTime.Year(); i++ {
  1029. tmpDate := time.Date(i, 12, 31, startDataTime.Hour(), startDataTime.Minute(), startDataTime.Second(), startDataTime.Nanosecond(), time.Local)
  1030. if tmpVal, ok := handleDataMap[tmpDate]; ok {
  1031. yearLastValMap[i] = tmpVal
  1032. }
  1033. }
  1034. // 数据计算
  1035. // 遍历来源指标数据
  1036. for _, v := range fromDataList {
  1037. currDate := v.DataTime
  1038. perValMap := make(map[time.Time]float64)
  1039. //前3年当日的数据
  1040. for i := 1; i <= 3; i++ {
  1041. tmpDateTime := currDate.AddDate(-i, 0, 0)
  1042. if tmpVal, ok := handleDataMap[tmpDateTime]; ok {
  1043. perValMap[tmpDateTime] = tmpVal
  1044. }
  1045. }
  1046. lenPerValMap := len(perValMap)
  1047. // 如果数据少于2年,那么就不参与计算,结束当前循环,进入下一个循环
  1048. if lenPerValMap < 2 {
  1049. continue
  1050. }
  1051. // N年 当前值占全年比重 的值列表
  1052. divValList := make([]decimal.Decimal, 0)
  1053. for tmpDateTime, tmpVal := range perValMap {
  1054. yearLastVal, ok2 := yearLastValMap[tmpDateTime.Year()]
  1055. // 如果当年最后一天没有数据
  1056. if !ok2 {
  1057. continue
  1058. }
  1059. // 当前值占全年比重
  1060. tmpYearLastVal := decimal.NewFromFloat(yearLastVal)
  1061. if tmpYearLastVal.IsZero() { //如果是0,那么就退出当前循环,进入下一个循环
  1062. continue
  1063. }
  1064. divVal := decimal.NewFromFloat(tmpVal).Div(tmpYearLastVal)
  1065. divValList = append(divValList, divVal)
  1066. }
  1067. lenDivValList := len(divValList)
  1068. // 如果 N年 当前值占全年比重 的值 小于 2个,那么就不参与计算,结束当前循环,进入下一个循环
  1069. if lenDivValList < 2 {
  1070. continue
  1071. }
  1072. divValSum := decimal.NewFromFloat(0)
  1073. for _, divVal := range divValList {
  1074. divValSum = divValSum.Add(divVal)
  1075. }
  1076. // 当前计算出来的结果
  1077. tmpDivVal := divValSum.Div(decimal.NewFromInt(int64(lenDivValList)))
  1078. if tmpDivVal.IsZero() { //如果是0,那么就退出当前循环,进入下一个循环
  1079. continue
  1080. }
  1081. currVal, _ := decimal.NewFromFloat(v.Value).Div(tmpDivVal).Round(4).Float64()
  1082. dateDataMap[currDate] = currVal
  1083. }
  1084. return
  1085. }
  1086. // Ljz
  1087. // @Description: 累计值
  1088. // @author: Roc
  1089. // @receiver obj
  1090. // @datetime2023-11-03 13:49:17
  1091. // @return dateDataMap map[time.Time]float64
  1092. // @return err error
  1093. func (obj BaseCalculate) Ljz() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  1094. dateDataMap = make(map[time.Time]float64)
  1095. dataList := obj.DataList
  1096. frequency := obj.Frequency //需要变更的频度
  1097. fromFrequency := obj.FromFrequency //来源的频度
  1098. // 数据处理
  1099. var isWeekData bool // 是否周度数据,如果是周度数据的话,是需要变频的,最后结果还需要除以7
  1100. // 周度数据需要先变成日度的
  1101. if fromFrequency == `周度` {
  1102. isWeekData = true
  1103. }
  1104. fromEdbDataMap := make(map[time.Time]float64)
  1105. if isWeekData {
  1106. dataList, err = HandleDataByLinearRegressionByTime(dataList, fromEdbDataMap)
  1107. if err != nil {
  1108. return
  1109. }
  1110. }
  1111. //日度转周度:日期选周五,计算上周六到本周五的日度值的加总,最新日期为最新值对应的周五。
  1112. //日度转月度:日期选每个月最后一天,计算当月所有日度值的加总,最新日期为最新值对应当月最后一天。
  1113. //日度转季度、年度:方法类似转月度。
  1114. //周度转月度/季度/年度:将周度值转成日度,空值用插值法插值,计算当月/当季/当年所有值的加总,然后除以7。
  1115. //月度转季度/年度: 当季/当年月度值相加。
  1116. dateList := make([]time.Time, 0)
  1117. valueMap := make(map[time.Time]float64)
  1118. switch frequency {
  1119. case "年度":
  1120. yearMap := make(map[int]float64)
  1121. yearList := make([]int, 0)
  1122. for _, item := range dataList {
  1123. year := item.DataTime.Year()
  1124. yearVal, ok := yearMap[year]
  1125. if ok {
  1126. yearMap[year] = item.Value + yearVal
  1127. } else {
  1128. yearList = append(yearList, year)
  1129. yearMap[year] = item.Value
  1130. }
  1131. }
  1132. for _, v := range yearList {
  1133. currTime := time.Date(v, 12, 31, 0, 0, 0, 0, time.Local)
  1134. dateList = append(dateList, currTime)
  1135. valueMap[currTime] = yearMap[v]
  1136. }
  1137. case "半年度":
  1138. yearMonthMap := make(map[string]float64)
  1139. yearMonthList := make([]string, 0)
  1140. for _, item := range dataList {
  1141. itemDate := item.DataTime
  1142. year := itemDate.Year()
  1143. var tmpK string
  1144. if itemDate.Month() <= 6 {
  1145. tmpK = fmt.Sprint(year, "06")
  1146. } else {
  1147. tmpK = fmt.Sprint(year, "12")
  1148. }
  1149. yearVal, ok := yearMonthMap[tmpK]
  1150. if ok {
  1151. yearMonthMap[tmpK] = item.Value + yearVal
  1152. } else {
  1153. yearMonthList = append(yearMonthList, tmpK)
  1154. yearMonthMap[tmpK] = item.Value
  1155. }
  1156. }
  1157. for _, v := range yearMonthList {
  1158. currTime, tmpErr := time.ParseInLocation(utils.FormatYearMonthUnSpace, v, time.Local)
  1159. if tmpErr != nil {
  1160. err = tmpErr
  1161. return
  1162. }
  1163. currTime = currTime.AddDate(0, 1, -1)
  1164. dateList = append(dateList, currTime)
  1165. valueMap[currTime] = yearMonthMap[v]
  1166. }
  1167. case "季度":
  1168. yearMonthMap := make(map[string]float64)
  1169. yearMonthList := make([]string, 0)
  1170. for _, item := range dataList {
  1171. itemDate := item.DataTime
  1172. year := itemDate.Year()
  1173. var tmpK string
  1174. if itemDate.Month() <= 3 {
  1175. tmpK = fmt.Sprint(year, "03")
  1176. } else if itemDate.Month() <= 6 {
  1177. tmpK = fmt.Sprint(year, "06")
  1178. } else if itemDate.Month() <= 9 {
  1179. tmpK = fmt.Sprint(year, "09")
  1180. } else {
  1181. tmpK = fmt.Sprint(year, "12")
  1182. }
  1183. yearVal, ok := yearMonthMap[tmpK]
  1184. if ok {
  1185. yearMonthMap[tmpK] = item.Value + yearVal
  1186. } else {
  1187. yearMonthList = append(yearMonthList, tmpK)
  1188. yearMonthMap[tmpK] = item.Value
  1189. }
  1190. }
  1191. for _, v := range yearMonthList {
  1192. currTime, tmpErr := time.ParseInLocation(utils.FormatYearMonthUnSpace, v, time.Local)
  1193. if tmpErr != nil {
  1194. err = tmpErr
  1195. return
  1196. }
  1197. currTime = currTime.AddDate(0, 1, -1)
  1198. dateList = append(dateList, currTime)
  1199. valueMap[currTime] = yearMonthMap[v]
  1200. }
  1201. case "月度":
  1202. yearMonthMap := make(map[string]float64)
  1203. yearMonthList := make([]string, 0)
  1204. for _, item := range dataList {
  1205. itemDate := item.DataTime
  1206. year := itemDate.Year()
  1207. var tmpK string
  1208. tmpK = fmt.Sprint(year*100 + int(itemDate.Month()))
  1209. yearVal, ok := yearMonthMap[tmpK]
  1210. if ok {
  1211. yearMonthMap[tmpK] = item.Value + yearVal
  1212. } else {
  1213. yearMonthList = append(yearMonthList, tmpK)
  1214. yearMonthMap[tmpK] = item.Value
  1215. }
  1216. }
  1217. for _, v := range yearMonthList {
  1218. currTime, tmpErr := time.ParseInLocation(utils.FormatYearMonthUnSpace, v, time.Local)
  1219. if tmpErr != nil {
  1220. err = tmpErr
  1221. return
  1222. }
  1223. currTime = currTime.AddDate(0, 1, -1)
  1224. dateList = append(dateList, currTime)
  1225. valueMap[currTime] = yearMonthMap[v]
  1226. }
  1227. case "旬度":
  1228. tmpDateDataMap := make(map[time.Time]float64)
  1229. tmpDateList := make([]time.Time, 0)
  1230. for _, item := range dataList {
  1231. itemDate := item.DataTime
  1232. dayInt := itemDate.Year()*100 + int(itemDate.Month())
  1233. var currTime time.Time
  1234. if itemDate.Day() <= 10 {
  1235. //本月上旬
  1236. tmpK := fmt.Sprint(dayInt, "10")
  1237. currTime, err = time.ParseInLocation(utils.FormatDateUnSpace, tmpK, time.Local)
  1238. if err != nil {
  1239. return
  1240. }
  1241. } else if itemDate.Day() <= 20 {
  1242. // 本月中旬
  1243. tmpK := fmt.Sprint(dayInt, "20")
  1244. currTime, err = time.ParseInLocation(utils.FormatDateUnSpace, tmpK, time.Local)
  1245. if err != nil {
  1246. return
  1247. }
  1248. } else {
  1249. // 本月下旬
  1250. currTime, err = time.ParseInLocation(utils.FormatYearMonthUnSpace, fmt.Sprint(dayInt), time.Local)
  1251. if err != nil {
  1252. return
  1253. }
  1254. currTime = currTime.AddDate(0, 1, -1)
  1255. }
  1256. yearVal, ok := tmpDateDataMap[currTime]
  1257. if ok {
  1258. tmpDateDataMap[currTime] = item.Value + yearVal
  1259. } else {
  1260. tmpDateList = append(tmpDateList, currTime)
  1261. tmpDateDataMap[currTime] = item.Value
  1262. }
  1263. }
  1264. for _, currTime := range tmpDateList {
  1265. dateList = append(dateList, currTime)
  1266. valueMap[currTime] = tmpDateDataMap[currTime]
  1267. }
  1268. case "周度":
  1269. tmpDateDataMap := make(map[time.Time]float64)
  1270. tmpDateList := make([]time.Time, 0)
  1271. for _, item := range dataList {
  1272. itemDate := item.DataTime
  1273. var currTime time.Time
  1274. // 周六周日,这是下一个周五的数据
  1275. if itemDate.Weekday() == 0 {
  1276. currTime = itemDate.AddDate(0, 0, 5)
  1277. } else if itemDate.Weekday() == 6 {
  1278. currTime = itemDate.AddDate(0, 0, 6)
  1279. } else {
  1280. currTime = itemDate.AddDate(0, 0, 5-int(itemDate.Weekday()))
  1281. }
  1282. yearVal, ok := tmpDateDataMap[currTime]
  1283. if ok {
  1284. tmpDateDataMap[currTime] = item.Value + yearVal
  1285. } else {
  1286. tmpDateList = append(tmpDateList, currTime)
  1287. tmpDateDataMap[currTime] = item.Value
  1288. }
  1289. }
  1290. for _, currTime := range tmpDateList {
  1291. dateList = append(dateList, currTime)
  1292. valueMap[currTime] = tmpDateDataMap[currTime]
  1293. }
  1294. default:
  1295. err = errors.New("错误的频度")
  1296. return
  1297. }
  1298. // 数据计算
  1299. for _, currTime := range dateList {
  1300. tmpVal, ok2 := valueMap[currTime]
  1301. if !ok2 {
  1302. err = errors.New("数据异常,date:" + currTime.Format(utils.FormatDate))
  1303. return
  1304. }
  1305. var saveValue float64
  1306. if isWeekData { //周度指标转的话,最后结果要除以7
  1307. saveValue, _ = decimal.NewFromFloat(tmpVal).Div(decimal.NewFromInt(7)).Round(4).Float64()
  1308. } else {
  1309. saveValue, _ = decimal.NewFromFloat(tmpVal).Round(4).Float64()
  1310. }
  1311. dateDataMap[currTime] = saveValue
  1312. }
  1313. return
  1314. }
  1315. // LjzNczj
  1316. // @Description:年初至今累计值计算
  1317. // @author: Roc
  1318. // @receiver obj
  1319. // @datetime2023-11-03 13:55:44
  1320. // @return dateDataMap map[time.Time]float64
  1321. // @return err error
  1322. func (obj BaseCalculate) LjzNczj() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  1323. dateDataMap = make(map[time.Time]float64)
  1324. dataList := obj.DataList
  1325. frequency := obj.Frequency //需要变更的频度
  1326. fromFrequency := obj.FromFrequency //来源的频度
  1327. // 数据处理
  1328. var isWeekData bool // 是否周度数据,如果是周度数据的话,是需要变频的,最后结果还需要除以7
  1329. // 周度数据需要先变成日度的
  1330. if fromFrequency == `周度` {
  1331. isWeekData = true
  1332. }
  1333. fromEdbDataMap := make(map[time.Time]float64)
  1334. if isWeekData {
  1335. dataList, err = HandleDataByLinearRegressionByTime(dataList, fromEdbDataMap)
  1336. if err != nil {
  1337. return
  1338. }
  1339. }
  1340. //日度数据年初至今:日期同原日度数据。将每年1月1日(含)到日度数据所在日期含间的日度值,进行加总。
  1341. //周度数据年初至今:日期同原周度数据。将周度值转成日度频率,空值用插值法插值,然后算法同日度年度至今,再除以7
  1342. //月度/季度数据年初至今:日期同原月度/季度数据,将每年1月1日(含)到月度数据所在日期(含)之间的月度/季度值,进行加总
  1343. //以此类推
  1344. dateList := make([]time.Time, 0)
  1345. valueMap := make(map[time.Time]float64)
  1346. yearMap := make(map[int]float64)
  1347. switch frequency {
  1348. case "周度":
  1349. tmpDateDataMap := make(map[time.Time]float64)
  1350. tmpDateList := make([]time.Time, 0)
  1351. for _, item := range dataList {
  1352. itemDate := item.DataTime
  1353. var currTime time.Time
  1354. // 周六周日,这是下一个周五的数据
  1355. if itemDate.Weekday() == 0 {
  1356. currTime = itemDate.AddDate(0, 0, 5)
  1357. } else if itemDate.Weekday() == 6 {
  1358. currTime = itemDate.AddDate(0, 0, 6)
  1359. } else {
  1360. currTime = itemDate.AddDate(0, 0, 5-int(itemDate.Weekday()))
  1361. }
  1362. year := itemDate.Year()
  1363. yearVal, ok := yearMap[year]
  1364. if ok {
  1365. yearMap[year] = item.Value + yearVal
  1366. } else {
  1367. yearMap[year] = item.Value
  1368. }
  1369. if itemDate.Equal(currTime) {
  1370. tmpDateDataMap[itemDate] = yearMap[year]
  1371. tmpDateList = append(tmpDateList, itemDate)
  1372. }
  1373. }
  1374. for _, currTime := range tmpDateList {
  1375. dateList = append(dateList, currTime)
  1376. valueMap[currTime] = tmpDateDataMap[currTime]
  1377. }
  1378. default:
  1379. for _, item := range dataList {
  1380. itemDate := item.DataTime
  1381. year := itemDate.Year()
  1382. yearVal, ok := yearMap[year]
  1383. if ok {
  1384. yearMap[year] = item.Value + yearVal
  1385. } else {
  1386. yearMap[year] = item.Value
  1387. }
  1388. valueMap[itemDate] = yearMap[year]
  1389. dateList = append(dateList, itemDate)
  1390. }
  1391. }
  1392. // 数据计算
  1393. for _, currTime := range dateList {
  1394. tmpVal, ok2 := valueMap[currTime]
  1395. if !ok2 {
  1396. err = errors.New("数据异常,date:" + currTime.Format(utils.FormatDate))
  1397. return
  1398. }
  1399. var saveValue float64
  1400. if isWeekData { //周度指标转的话,最后结果要除以7
  1401. saveValue, _ = decimal.NewFromFloat(tmpVal).Div(decimal.NewFromInt(7)).Round(4).Float64()
  1402. } else {
  1403. saveValue, _ = decimal.NewFromFloat(tmpVal).Round(4).Float64()
  1404. }
  1405. dateDataMap[currTime] = saveValue
  1406. }
  1407. return
  1408. }
  1409. // ExponentialSmoothing
  1410. // @Description: 指数修匀计算
  1411. // @author: Roc
  1412. // @receiver obj
  1413. // @datetime2023-11-03 14:07:47
  1414. // @return dateDataMap map[time.Time]float64
  1415. // @return err error
  1416. func (obj BaseCalculate) ExponentialSmoothing() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  1417. dateDataMap = make(map[time.Time]float64)
  1418. dataList := obj.DataList
  1419. formula := obj.Formula.(string) // alpha值
  1420. alpha, _ := strconv.ParseFloat(formula, 64)
  1421. if alpha <= 0 || alpha >= 1 {
  1422. err = fmt.Errorf("alpha值有误: %v", alpha)
  1423. return
  1424. }
  1425. // 获取标准差图表的指标数据
  1426. fromDataList, err := calculateExponentialSmoothingData(dataList, alpha)
  1427. if err != nil {
  1428. return
  1429. }
  1430. // 数据计算
  1431. for _, tmpData := range fromDataList {
  1432. if tmpData.DataTime.IsZero() {
  1433. continue
  1434. }
  1435. // 当前的实际值
  1436. saveValue, _ := decimal.NewFromFloat(tmpData.Value).Round(4).Float64()
  1437. dateDataMap[tmpData.DataTime] = saveValue
  1438. }
  1439. return
  1440. }
  1441. // calculateExponentialSmoothingData
  1442. // @Description: 计算指数修匀
  1443. // @author: Roc
  1444. // @datetime2023-11-03 14:05:41
  1445. // @param dataList []*EdbInfoData 时间基准指标在时间区间内的值
  1446. // @param strAlpha float64
  1447. // @return newDataList []EdbInfoData
  1448. // @return err error
  1449. func calculateExponentialSmoothingData(dataList []*EdbInfoData, alpha float64) (newDataList []EdbInfoData, err error) {
  1450. if alpha <= 0 || alpha >= 1 {
  1451. err = fmt.Errorf("alpha值有误: %v", alpha)
  1452. return
  1453. }
  1454. var preVal float64
  1455. alphaDecimal := decimal.NewFromFloat(alpha)
  1456. subAlpha := decimal.NewFromFloat(1).Sub(alphaDecimal)
  1457. for k, d := range dataList {
  1458. // 首期的值以原始值作为指数修匀的计算值
  1459. if k == 0 {
  1460. newDataList = append(newDataList, EdbInfoData{
  1461. EdbDataId: k,
  1462. DataTime: dataList[k].DataTime,
  1463. Value: d.Value,
  1464. })
  1465. preVal = d.Value
  1466. continue
  1467. }
  1468. // 上一期的值参与计算
  1469. preDecimal := decimal.NewFromFloat(preVal)
  1470. valDecimal := decimal.NewFromFloat(d.Value)
  1471. partA := alphaDecimal.Mul(valDecimal)
  1472. partB := subAlpha.Mul(preDecimal)
  1473. res, _ := (partA.Add(partB)).Float64()
  1474. preVal = res
  1475. newDataList = append(newDataList, EdbInfoData{
  1476. EdbDataId: k,
  1477. DataTime: dataList[k].DataTime,
  1478. Value: res,
  1479. })
  1480. }
  1481. return
  1482. }
  1483. // Rjz
  1484. // @Description: 日均值计算
  1485. // @author: Roc
  1486. // @receiver obj
  1487. // @datetime2023-11-03 14:47:47
  1488. // @return dateDataMap map[time.Time]float64
  1489. // @return err error
  1490. func (obj BaseCalculate) Rjz() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  1491. dateDataMap = make(map[time.Time]float64)
  1492. dataList := obj.DataList
  1493. fromFrequency := obj.FromFrequency
  1494. if fromFrequency == `` {
  1495. errMsg = "原指标的频度不能为空"
  1496. err = errors.New(errMsg)
  1497. return
  1498. }
  1499. if obj.FromFrequency == "日度" {
  1500. errMsg = "日度指标无需进行日均值计算"
  1501. err = errors.New(errMsg)
  1502. return
  1503. }
  1504. // 数据处理
  1505. // 数据降序
  1506. dataList = reverseSliceByDesc(dataList)
  1507. var dateArr []time.Time
  1508. dataMap := make(map[time.Time]*EdbInfoData)
  1509. for _, v := range dataList {
  1510. dateArr = append(dateArr, v.DataTime)
  1511. dataMap[v.DataTime] = v
  1512. }
  1513. // 数据计算
  1514. for _, currentDate := range dateArr {
  1515. //当前日期
  1516. currentItem, ok := dataMap[currentDate]
  1517. if !ok {
  1518. continue
  1519. }
  1520. //根据频度计算需要均分的天数
  1521. days := GetRjzFrequencyDays(currentDate, fromFrequency)
  1522. val, ok := rjzDivV2(currentItem.Value, days)
  1523. if !ok {
  1524. continue
  1525. }
  1526. dateDataMap[currentDate] = val
  1527. }
  1528. return
  1529. }
  1530. // rjzDivV2
  1531. // @Description: 日均值计算
  1532. // @author: Roc
  1533. // @datetime2023-11-03 14:47:36
  1534. // @param a float64
  1535. // @param b int
  1536. // @return val float64
  1537. // @return ok bool
  1538. func rjzDivV2(a float64, b int) (val float64, ok bool) {
  1539. if b == 0 {
  1540. return
  1541. }
  1542. af := decimal.NewFromFloat(a)
  1543. bf := decimal.NewFromFloat(float64(b))
  1544. val, _ = af.Div(bf).Round(4).Float64()
  1545. ok = true
  1546. return
  1547. }
  1548. // reverseSliceByDesc
  1549. // @Description: 倒转切片
  1550. // @author: Roc
  1551. // @datetime2023-11-06 14:08:25
  1552. // @param slice []*EdbInfoData
  1553. // @return []*EdbInfoData
  1554. func reverseSliceByDesc(slice []*EdbInfoData) (newSlice []*EdbInfoData) {
  1555. // 只有一个数据的话,那么就直接返回
  1556. if len(slice) <= 1 {
  1557. newSlice = slice
  1558. return
  1559. }
  1560. if !slice[1].DataTime.After(slice[0].DataTime) {
  1561. newSlice = slice
  1562. return
  1563. }
  1564. newSlice = make([]*EdbInfoData, len(slice))
  1565. for i, j := 0, len(slice)-1; i < len(slice); i, j = i+1, j-1 {
  1566. newSlice[i] = slice[j]
  1567. }
  1568. return
  1569. }
  1570. // EdbInfoSearchDataToData
  1571. // @Description: 将EdbInfoSearchData转成EdbInfoData
  1572. // @author: Roc
  1573. // @datetime2023-11-09 11:11:31
  1574. // @param dataList []*EdbInfoSearchData
  1575. // @return newDateDataList []*EdbInfoData
  1576. // @return err error
  1577. func EdbInfoSearchDataToData(dataList []*EdbInfoSearchData) (newDateDataList []*EdbInfoData, err error) {
  1578. newDateDataList = make([]*EdbInfoData, 0)
  1579. for _, data := range dataList {
  1580. dateTime, tmpErr := time.ParseInLocation(utils.FormatDate, data.DataTime, time.Local)
  1581. if tmpErr != nil {
  1582. err = tmpErr
  1583. return
  1584. }
  1585. newDateDataList = append(newDateDataList, &EdbInfoData{
  1586. EdbDataId: data.EdbDataId,
  1587. DataTime: dateTime,
  1588. Value: data.Value,
  1589. })
  1590. }
  1591. return
  1592. }
  1593. // GetDateDataAndDateList
  1594. // @Description: 通过时间数据map 获取 时间字符串数据map和日期字符串切片
  1595. // @author: Roc
  1596. // @datetime2023-11-09 13:10:38
  1597. // @param dateDataMap map[time.Time]float64
  1598. // @return dateStrDataMap map[string]float64
  1599. // @return dateStrList []string
  1600. func GetDateDataAndDateList(dateDataMap map[time.Time]float64) (dateStrDataMap map[string]float64, dateStrList []string) {
  1601. dateStrDataMap = make(map[string]float64)
  1602. dateStrList = make([]string, 0)
  1603. dateList := make([]time.Time, 0)
  1604. for date, val := range dateDataMap {
  1605. dateStr := date.Format(utils.FormatDate)
  1606. dateStrDataMap[dateStr] = val
  1607. dateList = append(dateList, date)
  1608. }
  1609. // 使用 sort.Slice 对日期切片进行排序
  1610. sort.Slice(dateList, func(i, j int) bool {
  1611. return dateList[i].Before(dateList[j])
  1612. })
  1613. // 将日期排序后返回日期字符串切片
  1614. for _, v := range dateList {
  1615. dateStrList = append(dateStrList, v.Format(utils.FormatDate))
  1616. }
  1617. return
  1618. }