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. "strings"
  10. "time"
  11. )
  12. // EdbInfoData
  13. // @Description: 指标数据
  14. type EdbInfoData struct {
  15. EdbDataId int `description:"数据ID"`
  16. DataTime time.Time `description:"数据日期"`
  17. Value float64 `description:"数据"`
  18. }
  19. // BaseCalculateBySearchData
  20. // @Description: 基础的计算公式
  21. type BaseCalculateBySearchData struct {
  22. DataList []*EdbInfoSearchData
  23. Frequency string `description:"需要转换的频度"`
  24. Formula interface{}
  25. Calendar string `description:"公历/农历"`
  26. MoveType int `description:"移动方式:1:领先(默认),2:滞后"`
  27. MoveFrequency string `description:"移动频度"`
  28. FromFrequency string `description:"来源的频度"`
  29. 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"`
  30. }
  31. // BaseCalculate
  32. // @Description: 基础的计算公式
  33. type BaseCalculate struct {
  34. DataList []*EdbInfoData
  35. Frequency string `description:"需要转换的频度"`
  36. Formula interface{}
  37. Calendar string `description:"公历/农历"`
  38. MoveType int `description:"移动方式:1:领先(默认),2:滞后"`
  39. MoveFrequency string `description:"移动频度"`
  40. FromFrequency string `description:"来源的频度"`
  41. 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"`
  42. }
  43. type BaseCalculateResp struct {
  44. DataMap map[string]float64
  45. DateList []string
  46. }
  47. // Ljzzy
  48. // @Description: 累计值转月
  49. // @author: Roc
  50. // @receiver obj
  51. // @datetime2023-11-02 18:05:19
  52. // @return dateDataMap map[time.Time]float64
  53. // @return err error
  54. func (obj BaseCalculate) Ljzzy() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  55. dateDataMap = make(map[time.Time]float64)
  56. dataList := obj.DataList // 升序
  57. // 数据处理
  58. yearMap := make(map[int]map[int]*EdbInfoData)
  59. dataLen := len(dataList)
  60. for i := 0; i < dataLen; i++ {
  61. item := dataList[i]
  62. //日其中获取年
  63. itemDate := item.DataTime
  64. year := itemDate.Year()
  65. month := int(itemDate.Month())
  66. if monthMap, yok := yearMap[year]; yok {
  67. monthMap[month] = item
  68. yearMap[year] = monthMap
  69. } else {
  70. monthMap = make(map[int]*EdbInfoData)
  71. monthMap[month] = item
  72. yearMap[year] = monthMap
  73. }
  74. }
  75. // 开始计算
  76. for yk, yv := range yearMap {
  77. _, oneMonthOk := yv[1]
  78. _, twoMonthOk := yv[2]
  79. if !oneMonthOk && !twoMonthOk {
  80. continue
  81. }
  82. for i := 1; i <= 12; i++ {
  83. //fmt.Println(yk, i, yv[i])
  84. dataCurrentItem := yv[i]
  85. if dataCurrentItem == nil {
  86. continue
  87. }
  88. var date time.Time
  89. var val float64
  90. // 一二月单独处理
  91. if i == 1 || i == 2 {
  92. if _, mok := yv[1]; mok { //1月有值
  93. if i == 1 {
  94. date = dataCurrentItem.DataTime
  95. val, _ = decimal.NewFromFloat(dataCurrentItem.Value).Float64() //a.Div(b).Float64()
  96. }
  97. if i == 2 {
  98. dataOneItem := yv[1]
  99. date = dataCurrentItem.DataTime
  100. twoMonth := decimal.NewFromFloat(dataCurrentItem.Value)
  101. oneMonth := decimal.NewFromFloat(dataOneItem.Value)
  102. val, _ = twoMonth.Sub(oneMonth).Float64()
  103. }
  104. } else { //1月无值
  105. dataTwoItem := yv[2]
  106. if i == 1 {
  107. dateStr := strconv.Itoa(yk) + "-01-31"
  108. a := decimal.NewFromFloat(dataTwoItem.Value)
  109. b := decimal.NewFromFloat(2.0)
  110. val, _ = a.Div(b).Float64()
  111. date, err = time.ParseInLocation(utils.FormatDate, dateStr, time.Local)
  112. if err != nil {
  113. return
  114. }
  115. }
  116. if i == 2 {
  117. //1月无值:1月=2月/2 (不管怎样,都要给1月赋值)
  118. {
  119. dateStr := strconv.Itoa(yk) + "-01-31"
  120. a := decimal.NewFromFloat(dataTwoItem.Value)
  121. b := decimal.NewFromFloat(2.0)
  122. val, _ = a.Div(b).Float64()
  123. date, err = time.ParseInLocation(utils.FormatDate, dateStr, time.Local)
  124. if err != nil {
  125. return
  126. }
  127. dateDataMap[date] = val
  128. }
  129. //end 1月无值
  130. // 这是正常二月份的值
  131. date = dataCurrentItem.DataTime
  132. a := decimal.NewFromFloat(dataTwoItem.Value)
  133. b := decimal.NewFromFloat(2.0)
  134. val, _ = a.Div(b).Float64()
  135. }
  136. }
  137. } else {
  138. dataPreItem := yv[i-1]
  139. if dataCurrentItem != nil && dataPreItem != nil {
  140. date = dataCurrentItem.DataTime
  141. //val = dataCurrentItem.Value - dataPreItem.Value
  142. a := decimal.NewFromFloat(dataCurrentItem.Value)
  143. b := decimal.NewFromFloat(dataPreItem.Value)
  144. val, _ = a.Sub(b).Float64()
  145. }
  146. }
  147. // 如果没有日期,那么就退出当前循环,进入下一个循环
  148. if date.IsZero() {
  149. continue
  150. }
  151. dateDataMap[date] = val
  152. }
  153. }
  154. return
  155. }
  156. // Ljzzj
  157. // @Description: 累计值转季度
  158. // @author: Roc
  159. // @receiver obj
  160. // @datetime2023-11-02 18:05:05
  161. // @return dateDataMap map[time.Time]float64
  162. // @return err error
  163. func (obj BaseCalculate) Ljzzj() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  164. dateDataMap = make(map[time.Time]float64)
  165. dataList := obj.DataList // 升序
  166. // 数据处理
  167. yearMap := make(map[int]map[int]*EdbInfoData)
  168. dataLen := len(dataList)
  169. for i := 0; i < dataLen; i++ {
  170. item := dataList[i]
  171. //日其中获取年
  172. itemDate := item.DataTime
  173. year := itemDate.Year()
  174. quarter := utils.MonthQuarterMap[int(itemDate.Month())]
  175. if quarterMap, yok := yearMap[year]; yok {
  176. quarterMap[quarter] = item
  177. yearMap[year] = quarterMap
  178. } else {
  179. quarterMap = make(map[int]*EdbInfoData)
  180. quarterMap[quarter] = item
  181. yearMap[year] = quarterMap
  182. }
  183. }
  184. // 开始计算
  185. for yk, yv := range yearMap {
  186. _, oneQuarterOk := yv[1]
  187. _, twoQuarterOk := yv[2]
  188. if !oneQuarterOk && !twoQuarterOk {
  189. continue
  190. }
  191. for i := 1; i <= 4; i++ {
  192. //fmt.Println(yk, i, yv[i])
  193. dataCurrentItem := yv[i]
  194. if dataCurrentItem == nil {
  195. continue
  196. }
  197. var date time.Time
  198. var val float64
  199. // 一二季度单独处理
  200. if i == 1 || i == 2 {
  201. if _, mok := yv[1]; mok { //第1个季度有值
  202. if i == 1 {
  203. date = dataCurrentItem.DataTime
  204. val, _ = decimal.NewFromFloat(dataCurrentItem.Value).Float64() //a.Div(b).Float64()
  205. }
  206. if i == 2 {
  207. dataOneItem := yv[1]
  208. date = dataCurrentItem.DataTime
  209. twoQuarter := decimal.NewFromFloat(dataCurrentItem.Value)
  210. oneQuarter := decimal.NewFromFloat(dataOneItem.Value)
  211. val, _ = twoQuarter.Sub(oneQuarter).Float64()
  212. }
  213. } else { //第1个季度无值
  214. dataTwoItem := yv[2]
  215. if i == 1 {
  216. dateStr := strconv.Itoa(yk) + "-03-31"
  217. a := decimal.NewFromFloat(dataTwoItem.Value)
  218. b := decimal.NewFromFloat(2.0)
  219. val, _ = a.Div(b).Float64()
  220. date, err = time.ParseInLocation(utils.FormatDate, dateStr, time.Local)
  221. if err != nil {
  222. return
  223. }
  224. }
  225. if i == 2 {
  226. //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)
  227. {
  228. dateStr := strconv.Itoa(yk) + "-03-31"
  229. a := decimal.NewFromFloat(dataTwoItem.Value)
  230. b := decimal.NewFromFloat(2.0)
  231. val, _ = a.Div(b).Float64()
  232. date, err = time.ParseInLocation(utils.FormatDate, dateStr, time.Local)
  233. if err != nil {
  234. return
  235. }
  236. dateDataMap[date] = val
  237. }
  238. //end 第1个季度无值
  239. date = dataCurrentItem.DataTime
  240. a := decimal.NewFromFloat(dataTwoItem.Value)
  241. b := decimal.NewFromFloat(2.0)
  242. val, _ = a.Div(b).Float64()
  243. }
  244. }
  245. } else {
  246. dataPreItem := yv[i-1]
  247. if dataCurrentItem != nil && dataPreItem != nil {
  248. date = dataCurrentItem.DataTime
  249. //val = dataCurrentItem.Value - dataPreItem.Value
  250. a := decimal.NewFromFloat(dataCurrentItem.Value)
  251. b := decimal.NewFromFloat(dataPreItem.Value)
  252. val, _ = a.Sub(b).Float64()
  253. }
  254. }
  255. // 如果没有日期,那么就退出当前循环,进入下一个循环
  256. if date.IsZero() {
  257. continue
  258. }
  259. dateDataMap[date] = val
  260. }
  261. }
  262. return
  263. }
  264. // Tbz
  265. // @Description: 同比值计算
  266. // @author: Roc
  267. // @receiver obj
  268. // @datetime2023-11-02 18:04:59
  269. // @return dateDataMap map[time.Time]float64
  270. // @return err error
  271. func (obj BaseCalculate) Tbz() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  272. dateDataMap = make(map[time.Time]float64)
  273. dataList := obj.DataList
  274. frequency := obj.FromFrequency
  275. //数据处理
  276. // 数据降序
  277. dataList = reverseSliceByDesc(dataList)
  278. var dateArr []time.Time
  279. 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
  280. for _, v := range dataList {
  281. dateArr = append(dateArr, v.DataTime)
  282. dataMap[v.DataTime.Format(utils.FormatDate)] = v
  283. }
  284. // 开始计算
  285. for _, currentDate := range dateArr {
  286. //当前日期
  287. currentDateStr := currentDate.Format(utils.FormatDate)
  288. currentItem, ok := dataMap[currentDateStr]
  289. if !ok {
  290. continue
  291. }
  292. // 找到的数据
  293. var findItem *EdbInfoData
  294. //上一年的日期
  295. preDate := currentDate.AddDate(-1, 0, 0)
  296. preDateStr := preDate.Format(utils.FormatDate)
  297. if findItem, ok = dataMap[preDateStr]; !ok { //上一年同期没找到
  298. if frequency == "月度" { //向上和向下,各找一个月
  299. for i := 0; i <= 35; i++ {
  300. nextDateDay := preDate.AddDate(0, 0, i)
  301. nextDateDayStr := nextDateDay.Format(utils.FormatDate)
  302. if findItem, ok = dataMap[nextDateDayStr]; ok { //上一年同期->下一个月找到
  303. break
  304. } else {
  305. preDateDay := preDate.AddDate(0, 0, -i)
  306. preDateDayStr := preDateDay.Format(utils.FormatDate)
  307. if findItem, ok = dataMap[preDateDayStr]; ok { //上一年同期->上一个月找到
  308. break
  309. }
  310. }
  311. }
  312. } else if frequency == "季度" || frequency == "年度" {
  313. if findItem, ok = dataMap[preDateStr]; ok { //上一年同期->下一个月找到
  314. break
  315. }
  316. } else {
  317. nextDateDay := preDate.AddDate(0, 0, 1)
  318. nextDateDayStr := nextDateDay.Format(utils.FormatDate)
  319. preDateDay := preDate.AddDate(0, 0, -1)
  320. preDateDayStr := preDateDay.Format(utils.FormatDate)
  321. for i := 0; i < 35; i++ {
  322. if i >= 1 {
  323. nextDateDay = nextDateDay.AddDate(0, 0, i)
  324. nextDateDayStr = nextDateDay.Format(utils.FormatDate)
  325. }
  326. if findItem, ok = dataMap[nextDateDayStr]; ok { //上一年同期->下一个月找到
  327. break
  328. } else {
  329. if i >= 1 {
  330. preDateDay = preDateDay.AddDate(0, 0, -i)
  331. preDateDayStr = preDateDay.Format(utils.FormatDate)
  332. }
  333. if findItem, ok = dataMap[preDateDayStr]; ok { //上一年同期->上一个月找到
  334. break
  335. }
  336. }
  337. }
  338. }
  339. }
  340. // 如果没找到数据
  341. if findItem == nil {
  342. continue
  343. }
  344. dateDataMap[currentDate] = tbzDiv(currentItem.Value, findItem.Value)
  345. }
  346. return
  347. }
  348. // tbzDiv
  349. // @Description: 同比值计算
  350. // @author: Roc
  351. // @datetime2023-11-02 16:29:14
  352. // @param a float64
  353. // @param b float64
  354. // @return float64
  355. func tbzDiv(a, b float64) float64 {
  356. var val float64
  357. if b != 0 {
  358. af := decimal.NewFromFloat(a)
  359. bf := decimal.NewFromFloat(b)
  360. val, _ = af.Div(bf).Sub(decimal.NewFromFloat(1)).RoundCeil(4).Float64()
  361. }
  362. return val
  363. }
  364. // Tcz
  365. // @Description: 计算同差值
  366. // @author: Roc
  367. // @receiver obj
  368. // @datetime2023-11-02 18:04:51
  369. // @return dateDataMap map[time.Time]float64
  370. // @return err error
  371. func (obj BaseCalculate) Tcz() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  372. dateDataMap = make(map[time.Time]float64)
  373. dataList := obj.DataList // 降序
  374. frequency := obj.FromFrequency
  375. // 数据处理
  376. // 数据降序
  377. dataList = reverseSliceByDesc(dataList)
  378. var dateArr []time.Time
  379. dataMap := make(map[string]*EdbInfoData)
  380. for _, v := range dataList {
  381. dateArr = append(dateArr, v.DataTime)
  382. dataMap[v.DataTime.Format(utils.FormatDate)] = v
  383. }
  384. // 开始计算
  385. for _, currentDate := range dateArr {
  386. //当前日期
  387. currentItem, ok := dataMap[currentDate.Format(utils.FormatDate)]
  388. if !ok {
  389. continue
  390. }
  391. // 找到的数据
  392. var findItem *EdbInfoData
  393. //上一年的日期
  394. preDate := currentDate.AddDate(-1, 0, 0)
  395. preDateStr := preDate.Format(utils.FormatDate)
  396. if findItem, ok = dataMap[preDateStr]; !ok {
  397. //上一年同期没找到
  398. if frequency == "月度" { //向上和向下,各找一个月
  399. for i := 0; i <= 35; i++ {
  400. nextDateDay := preDate.AddDate(0, 0, i)
  401. nextDateDayStr := nextDateDay.Format(utils.FormatDate)
  402. if findItem, ok = dataMap[nextDateDayStr]; ok { //上一年同期->下一个月找到
  403. break
  404. } else {
  405. preDateDay := preDate.AddDate(0, 0, -i)
  406. preDateDayStr := preDateDay.Format(utils.FormatDate)
  407. if findItem, ok = dataMap[preDateDayStr]; ok { //上一年同期->上一个月找到
  408. break
  409. }
  410. }
  411. }
  412. } else if frequency == "季度" || frequency == "年度" {
  413. if findItem, ok = dataMap[preDateStr]; ok { //上一年同期->下一个月找到
  414. break
  415. }
  416. } else {
  417. for i := 0; i < 35; i++ {
  418. nextDateDay := preDate.AddDate(0, 0, i)
  419. nextDateDayStr := nextDateDay.Format(utils.FormatDate)
  420. if findItem, ok = dataMap[nextDateDayStr]; ok { //上一年同期->下一个月找到
  421. break
  422. } else {
  423. preDateDay := preDate.AddDate(0, 0, -i)
  424. preDateDayStr := preDateDay.Format(utils.FormatDate)
  425. if findItem, ok = dataMap[preDateDayStr]; ok { //上一年同期->上一个月找到
  426. break
  427. }
  428. }
  429. }
  430. }
  431. }
  432. // 如果没找到数据
  433. if findItem == nil {
  434. continue
  435. }
  436. dateDataMap[currentDate] = tczSub(currentItem.Value, findItem.Value)
  437. }
  438. return
  439. }
  440. // tczSub
  441. // @Description: 计算同差值
  442. // @author: Roc
  443. // @datetime2023-11-02 18:01:46
  444. // @param a float64
  445. // @param b float64
  446. // @return float64
  447. func tczSub(a, b float64) float64 {
  448. af := decimal.NewFromFloat(a)
  449. bf := decimal.NewFromFloat(b)
  450. val, _ := af.Sub(bf).RoundCeil(4).Float64()
  451. return val
  452. }
  453. // Nszydpjjs
  454. // @Description: N数值移动平均数计算
  455. // @author: Roc
  456. // @receiver obj
  457. // @datetime2023-11-02 18:17:38
  458. // @return dateDataMap map[time.Time]float64
  459. // @return err error
  460. func (obj BaseCalculate) Nszydpjjs() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  461. dateDataMap = make(map[time.Time]float64)
  462. fromDataList := obj.DataList
  463. nVal := fmt.Sprint(obj.Formula)
  464. formulaInt, err := strconv.Atoi(nVal)
  465. if err != nil {
  466. return
  467. }
  468. // 数据处理
  469. // 数据降序
  470. fromDataList = reverseSliceByDesc(fromDataList)
  471. var fromDateArr []time.Time
  472. fromDataMap := make(map[time.Time]*EdbInfoData)
  473. for _, v := range fromDataList {
  474. fromDateArr = append(fromDateArr, v.DataTime)
  475. fromDataMap[v.DataTime] = v
  476. }
  477. arrLen := len(fromDateArr)
  478. for ak, currentDate := range fromDateArr {
  479. //处理第一个值
  480. var valArr []float64
  481. if findItem, ok := fromDataMap[currentDate]; ok {
  482. valArr = append(valArr, findItem.Value)
  483. } else {
  484. continue
  485. }
  486. if ak+1 != arrLen {
  487. //处理除第一个值之外的N-1个值
  488. for i := 1; i < formulaInt; i++ {
  489. arrIndex := ak + i
  490. if arrIndex >= arrLen {
  491. break
  492. }
  493. arrVal := fromDateArr[arrIndex]
  494. if findItem, ok := fromDataMap[arrVal]; ok {
  495. valArr = append(valArr, findItem.Value)
  496. } else {
  497. continue
  498. }
  499. }
  500. }
  501. valArrLen := len(valArr)
  502. //var totalVal float64
  503. totalVal := decimal.NewFromFloat(0.00)
  504. for _, v := range valArr {
  505. newDecimal := decimal.NewFromFloat(v)
  506. totalVal = totalVal.Add(newDecimal)
  507. }
  508. af := totalVal //decimal.NewFromFloat(totalVal)
  509. bf := decimal.NewFromFloat(float64(valArrLen))
  510. val, _ := af.Div(bf).RoundCeil(4).Float64()
  511. dateDataMap[currentDate] = val
  512. }
  513. return
  514. }
  515. // Hbz
  516. // @Description: 环比值计算
  517. // @author: Roc
  518. // @receiver obj
  519. // @datetime2023-11-02 18:28:24
  520. // @return dateDataMap map[time.Time]float64
  521. // @return err error
  522. func (obj BaseCalculate) Hbz() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  523. dateDataMap = make(map[time.Time]float64)
  524. dataList := obj.DataList
  525. nVal := fmt.Sprint(obj.Formula)
  526. formulaInt, err := strconv.Atoi(nVal)
  527. if err != nil {
  528. return
  529. }
  530. // 数据处理
  531. // 数据降序
  532. dataList = reverseSliceByDesc(dataList)
  533. var dateArr []time.Time
  534. for _, v := range dataList {
  535. dateArr = append(dateArr, v.DataTime)
  536. }
  537. // 数据计算
  538. dataLen := len(dataList)
  539. //fmt.Println("dataLen:", dataLen)
  540. for i := 0; i < dataLen; i++ {
  541. j := i + formulaInt
  542. if j < dataLen {
  543. //当期
  544. currentItem := dataList[i]
  545. preItem := dataList[j]
  546. // 当期和上期没有数据
  547. if currentItem == nil || preItem == nil {
  548. continue
  549. }
  550. // 开始计算
  551. val, ok := hbzDiv(currentItem.Value, preItem.Value)
  552. // 计算失败
  553. if !ok {
  554. continue
  555. }
  556. dateDataMap[currentItem.DataTime] = val
  557. }
  558. }
  559. return
  560. }
  561. // hbzDiv
  562. // @Description: 环比值计算,current:当期,pre:上期 公式: (当期-上期)/上期
  563. // @author: Roc
  564. // @datetime2023-11-02 18:20:11
  565. // @param current float64
  566. // @param pre float64
  567. // @return val float64
  568. // @return ok bool
  569. func hbzDiv(current, pre float64) (val float64, ok bool) {
  570. if pre == 0 {
  571. return
  572. }
  573. currentVal := decimal.NewFromFloat(current)
  574. preVal := decimal.NewFromFloat(pre)
  575. val, _ = currentVal.Sub(preVal).Div(preVal).RoundCeil(4).Float64()
  576. //valStr := decimal.NewFromFloat(val).RoundCeil(4).String() //utils.SubFloatToString(val, 4)
  577. ok = true
  578. return
  579. }
  580. // Hcz
  581. // @Description: 计算环差值数据
  582. // @author: Roc
  583. // @receiver obj
  584. // @datetime2023-11-02 18:33:20
  585. // @return dateDataMap map[time.Time]float64
  586. // @return err error
  587. func (obj BaseCalculate) Hcz() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  588. dateDataMap = make(map[time.Time]float64)
  589. dataList := obj.DataList
  590. nVal := fmt.Sprint(obj.Formula)
  591. formulaInt, err := strconv.Atoi(nVal)
  592. if err != nil {
  593. return
  594. }
  595. // 数据处理
  596. // 数据降序
  597. dataList = reverseSliceByDesc(dataList)
  598. var dateArr []time.Time
  599. for _, v := range dataList {
  600. dateArr = append(dateArr, v.DataTime)
  601. }
  602. dataLen := len(dataList)
  603. fmt.Println("dataLen:", dataLen)
  604. for i := 0; i < dataLen; i++ {
  605. j := i + formulaInt
  606. if j < dataLen {
  607. //当期
  608. currentItem := dataList[i]
  609. preItem := dataList[j]
  610. // 当期和上期没有数据
  611. if currentItem == nil || preItem == nil {
  612. continue
  613. }
  614. // 开始计算
  615. val := hczDiv(currentItem.Value, preItem.Value)
  616. dateDataMap[currentItem.DataTime] = val
  617. }
  618. }
  619. return
  620. }
  621. // hczDiv
  622. // @Description: 环差值计算,current:当期,pre:上期 公式:当期-上期
  623. // @author: Roc
  624. // @datetime2023-11-02 18:33:07
  625. // @param current float64
  626. // @param pre float64
  627. // @return float64
  628. func hczDiv(current, pre float64) float64 {
  629. currentVal := decimal.NewFromFloat(current)
  630. preVal := decimal.NewFromFloat(pre)
  631. val, _ := currentVal.Sub(preVal).RoundCeil(4).Float64()
  632. //valStr := decimal.NewFromFloat(val).RoundCeil(4).String() //utils.SubFloatToString(val, 4)
  633. return val
  634. }
  635. // UpFrequency
  636. // @Description: 升频计算
  637. // @author: Roc
  638. // @receiver obj
  639. // @datetime2023-11-02 18:43:03
  640. // @return dateDataMap map[time.Time]float64
  641. // @return err error
  642. func (obj BaseCalculate) UpFrequency() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  643. dateDataMap = make(map[time.Time]float64)
  644. dataList := obj.DataList
  645. // 数据处理
  646. var dateArr []time.Time
  647. dataMap := make(map[time.Time]*EdbInfoData)
  648. fromDataMap := make(map[time.Time]float64)
  649. //来源指指标数据
  650. for _, v := range dataList {
  651. dateArr = append(dateArr, v.DataTime)
  652. dataMap[v.DataTime] = v
  653. fromDataMap[v.DataTime] = v.Value
  654. }
  655. if obj.FromFrequency == `日度` {
  656. errMsg = `不能选择日度指标`
  657. err = errors.New(errMsg)
  658. return
  659. }
  660. // 数据计算
  661. dataLen := len(dataList)
  662. for i := 0; i < dataLen; i++ {
  663. //当期
  664. currentItem := dataList[i]
  665. currentDate := currentItem.DataTime
  666. var day int
  667. var preItem *EdbInfoData
  668. var preDate time.Time
  669. if i == 0 {
  670. day = int(time.Now().Sub(currentDate).Hours() / float64(24))
  671. preDate = time.Now()
  672. } else {
  673. j := i - 1
  674. if j < dataLen {
  675. preItem = dataList[j]
  676. day = int(preItem.DataTime.Sub(currentDate).Hours() / float64(24))
  677. utils.FileLog.Info("preItem.DataTime:" + preItem.DataTime.Format(utils.FormatDate) + ";currentItem.DataTime" + currentItem.DataTime.Format(utils.FormatDate))
  678. }
  679. }
  680. for k := 0; k <= day; k++ {
  681. needDay := preDate.AddDate(0, 0, -k)
  682. dateDataMap[needDay] = currentItem.Value
  683. }
  684. dateDataMap[currentItem.DataTime] = currentItem.Value
  685. }
  686. return
  687. }
  688. // DownFrequency
  689. // @Description: 降频计算
  690. // @author: Roc
  691. // @receiver obj
  692. // @datetime2023-11-02 18:51:26
  693. // @return dateDataMap map[time.Time]float64
  694. // @return err error
  695. func (obj BaseCalculate) DownFrequency() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  696. dateDataMap = make(map[time.Time]float64)
  697. dataList := obj.DataList
  698. edbFrequency := obj.Frequency
  699. formula := obj.Formula.(string)
  700. if !CheckFrequency(obj.FromFrequency, obj.Frequency) {
  701. errMsg = "频度异常,不允许低频降频到高频"
  702. err = errors.New(errMsg)
  703. return
  704. }
  705. // 数据处理
  706. var dateArr []time.Time
  707. dataMap := make(map[time.Time]*EdbInfoData)
  708. fromDataMap := make(map[time.Time]float64)
  709. //来源指指标数据
  710. for _, v := range dataList {
  711. dateArr = append(dateArr, v.DataTime)
  712. dataMap[v.DataTime] = v
  713. fromDataMap[v.DataTime] = v.Value
  714. }
  715. // 数据计算
  716. dataLen := len(dataList)
  717. if dataLen <= 0 {
  718. return
  719. }
  720. startDataTime := dataList[0].DataTime
  721. endDataTime := dataList[dataLen-1].DataTime
  722. var lastValue float64 // 最近的值
  723. var nextEndDate time.Time // 下一个节点的日期
  724. weekDayDataList := make([]float64, 0)
  725. for tmpStartDataTime := startDataTime; !tmpStartDataTime.After(endDataTime); tmpStartDataTime = tmpStartDataTime.AddDate(0, 0, 1) {
  726. // 将当前数据加入到 weekDayDataList
  727. if tmpData, ok := dataMap[tmpStartDataTime]; ok {
  728. tmpValue := decimal.NewFromFloat(tmpData.Value)
  729. tmpValueFloat, _ := tmpValue.Round(4).Float64()
  730. weekDayDataList = append(weekDayDataList, tmpValueFloat)
  731. }
  732. // 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)
  733. if nextEndDate.IsZero() {
  734. nextEndDate = utils.GetFrequencyEndDay(tmpStartDataTime, edbFrequency)
  735. }
  736. // 日期处理过滤
  737. switch edbFrequency {
  738. case "周度":
  739. if tmpStartDataTime.Weekday() != 5 {
  740. //不是周五,代表需要进入下一个循环获取数据并计算
  741. continue
  742. } else {
  743. //记录下一个结束节点的日期
  744. nextEndDate = tmpStartDataTime.AddDate(0, 0, 7)
  745. }
  746. case "旬度":
  747. nextDay := tmpStartDataTime.AddDate(0, 0, 1)
  748. if nextDay.Day() != 1 && nextDay.Day() != 11 && nextDay.Day() != 21 {
  749. //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
  750. continue
  751. } else {
  752. //记录下一个结束节点的日期
  753. if nextDay.Day() == 1 || nextDay.Day() == 11 {
  754. //月初或者月末的时候,加10天就好了
  755. nextEndDate = nextDay.AddDate(0, 0, 9)
  756. } else {
  757. tmpNextMonth := nextDay.AddDate(0, 1, 0)
  758. nextEndDate = time.Date(tmpNextMonth.Year(), tmpNextMonth.Month(), 1, 0, 0, 0, 0, time.Local).AddDate(0, 0, -1)
  759. }
  760. }
  761. case "月度":
  762. nextDay := tmpStartDataTime.AddDate(0, 0, 1)
  763. if nextDay.Day() != 1 {
  764. //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
  765. continue
  766. } else {
  767. //记录下一个结束节点的日期
  768. nextEndDate = nextDay.AddDate(0, 1, -1)
  769. }
  770. case "季度":
  771. nextDay := tmpStartDataTime.AddDate(0, 0, 1)
  772. if (nextDay.Month() == 1 || nextDay.Month() == 4 || nextDay.Month() == 7 || nextDay.Month() == 10) && nextDay.Day() == 1 {
  773. //记录下一个结束节点的日期
  774. nextEndDate = nextDay.AddDate(0, 3, -1)
  775. } else {
  776. //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
  777. continue
  778. }
  779. case "年度":
  780. if tmpStartDataTime.Month() == 12 && tmpStartDataTime.Day() == 31 {
  781. //记录下一个结束节点的日期
  782. nextEndDate = tmpStartDataTime.AddDate(1, 0, 0)
  783. } else {
  784. //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
  785. continue
  786. }
  787. default:
  788. err = errors.New("错误的频度:" + edbFrequency)
  789. return
  790. }
  791. // 当前时间段内的数据计算,得出实际值
  792. var currVal float64
  793. lenWeekDayDataList := len(weekDayDataList)
  794. // 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
  795. if len(weekDayDataList) <= 0 {
  796. currVal = lastValue
  797. } else {
  798. if formula == "期末值" {
  799. currVal = weekDayDataList[lenWeekDayDataList-1]
  800. } else {
  801. // 平均值
  802. sumValDeci := decimal.NewFromFloat(0)
  803. for _, v := range weekDayDataList {
  804. tmpValDeci := decimal.NewFromFloat(v)
  805. sumValDeci = sumValDeci.Add(tmpValDeci)
  806. }
  807. lenDeci := decimal.NewFromInt(int64(lenWeekDayDataList))
  808. currVal, _ = sumValDeci.Div(lenDeci).Round(4).Float64()
  809. }
  810. }
  811. // 赋值
  812. dateDataMap[tmpStartDataTime] = currVal
  813. // 一轮结束后,数据清空
  814. weekDayDataList = make([]float64, 0)
  815. }
  816. // 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
  817. if len(weekDayDataList) > 0 {
  818. // 当前时间段内的数据计算,得出实际值
  819. var currVal float64
  820. lenWeekDayDataList := len(weekDayDataList)
  821. // 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
  822. if len(weekDayDataList) < 0 {
  823. currVal = lastValue
  824. } else {
  825. if formula == "期末值" {
  826. currVal = weekDayDataList[lenWeekDayDataList-1]
  827. } else {
  828. // 平均值
  829. sumValDeci := decimal.NewFromFloat(0)
  830. for _, v := range weekDayDataList {
  831. tmpValDeci := decimal.NewFromFloat(v)
  832. sumValDeci = sumValDeci.Add(tmpValDeci)
  833. }
  834. lenDeci := decimal.NewFromInt(int64(lenWeekDayDataList))
  835. currVal, _ = sumValDeci.Div(lenDeci).Round(4).Float64()
  836. }
  837. }
  838. // 赋值
  839. dateDataMap[nextEndDate] = currVal
  840. }
  841. return
  842. }
  843. // TimeShift
  844. // @Description: 时间移位计算
  845. // @author: Roc
  846. // @receiver obj
  847. // @datetime2023-11-03 13:19:07
  848. // @return dateDataMap map[time.Time]float64
  849. // @return err error
  850. func (obj BaseCalculate) TimeShift() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  851. dateDataMap = make(map[time.Time]float64)
  852. dataList := obj.DataList
  853. nVal := fmt.Sprint(obj.Formula)
  854. formulaInt, err := strconv.Atoi(nVal)
  855. if err != nil {
  856. return
  857. }
  858. moveType := obj.MoveType
  859. moveFrequency := obj.MoveFrequency
  860. // 数据处理
  861. var dateArr []time.Time
  862. dataMap := make(map[time.Time]*EdbInfoData)
  863. for _, v := range dataList {
  864. dateArr = append(dateArr, v.DataTime)
  865. dataMap[v.DataTime] = v
  866. }
  867. var shiftDay int
  868. switch moveFrequency {
  869. case "天":
  870. shiftDay = formulaInt
  871. case "周":
  872. shiftDay = formulaInt * 7
  873. case "月":
  874. shiftDay = formulaInt * 30
  875. case "季":
  876. shiftDay = formulaInt * 90
  877. case "年":
  878. shiftDay = formulaInt * 365
  879. default:
  880. shiftDay = formulaInt
  881. }
  882. if moveType == 2 {
  883. shiftDay = -shiftDay
  884. }
  885. dataLen := len(dataList)
  886. for i := 0; i < dataLen; i++ {
  887. //当期
  888. currentItem := dataList[i]
  889. currentDate := currentItem.DataTime
  890. newDate := currentDate.AddDate(0, 0, shiftDay)
  891. val, _ := decimal.NewFromFloat(currentItem.Value).RoundCeil(4).Float64()
  892. dateDataMap[newDate] = val
  893. }
  894. return
  895. }
  896. // Cjjx
  897. // @Description: 超季节性计算
  898. // @author: Roc
  899. // @receiver obj
  900. // @datetime2023-11-03 13:28:23
  901. // @return dateDataMap map[time.Time]float64
  902. // @return err error
  903. func (obj BaseCalculate) Cjjx() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  904. dateDataMap = make(map[time.Time]float64)
  905. dataList := obj.DataList
  906. nVal := fmt.Sprint(obj.Formula)
  907. formulaInt, err := strconv.Atoi(nVal)
  908. if err != nil {
  909. return
  910. }
  911. calendar := obj.Calendar
  912. // 数据处理
  913. var dateArr []time.Time
  914. dataMap := make(map[time.Time]*EdbInfoData)
  915. for _, v := range dataList {
  916. dateArr = append(dateArr, v.DataTime)
  917. dataMap[v.DataTime] = v
  918. }
  919. // 通过插值法补全所有数据(包含周末)
  920. handleDataMap := make(map[time.Time]float64)
  921. _, err = HandleDataByLinearRegressionByTime(dataList, handleDataMap)
  922. if err != nil {
  923. return
  924. }
  925. // 每个年份的日期数据需要平移的天数
  926. moveDayMap := make(map[int]int, 0) // 每个年份的春节公历
  927. var lastDataDay time.Time
  928. if len(dataList) > 0 {
  929. lastDataDay = dataList[0].DataTime
  930. }
  931. // 数据计算
  932. for _, currentDate := range dateArr {
  933. // 如果遇到闰二月,如2.29,去掉该天数据
  934. if strings.Contains(currentDate.Format(utils.FormatDate), "02-29") {
  935. continue
  936. }
  937. //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
  938. if calendar == "农历" && currentDate.Month() > 5 && currentDate.Month() < 11 {
  939. continue
  940. }
  941. currentItem, ok := dataMap[currentDate]
  942. // 找不到数据就退出当前循环,进入下一循环
  943. if !ok {
  944. continue
  945. }
  946. pastValueList := make([]float64, 0) // 过去几期的数据
  947. pastValueList = append(pastValueList, currentItem.Value) //当前日期
  948. for i := 1; i < formulaInt; i++ {
  949. //前几年当天公历的日期
  950. historyPreDate := currentDate.AddDate(-i, 0, 0)
  951. moveDay := 0
  952. if calendar == "农历" {
  953. if tmpMoveDay, ok := moveDayMap[historyPreDate.Year()]; !ok {
  954. moveDay, err = getMoveDay(lastDataDay, historyPreDate)
  955. if err != nil {
  956. return
  957. }
  958. } else {
  959. moveDay = tmpMoveDay
  960. }
  961. // 移动天数到对应农历 的 公历 日期
  962. historyPreDate = historyPreDate.AddDate(0, 0, moveDay)
  963. }
  964. if tmpValue, ok := handleDataMap[historyPreDate]; ok { //上一年同期找到
  965. pastValueList = append(pastValueList, tmpValue)
  966. }
  967. }
  968. if len(pastValueList) == formulaInt {
  969. val, ok := cjjxSub(currentItem.Value, pastValueList)
  970. if !ok {
  971. continue
  972. }
  973. dateDataMap[currentDate] = val
  974. }
  975. }
  976. return
  977. }
  978. // cjjxSub
  979. // @Description: 超季节性计算
  980. // @author: Roc
  981. // @datetime2023-11-03 13:25:49
  982. // @param currValue float64
  983. // @param pastValue []float64
  984. // @return value float64
  985. // @return ok bool
  986. func cjjxSub(currValue float64, pastValue []float64) (value float64, ok bool) {
  987. num := len(pastValue)
  988. if num == 0 {
  989. return
  990. }
  991. numDecimal := decimal.NewFromInt(int64(num))
  992. af := decimal.NewFromFloat(currValue)
  993. bf := decimal.NewFromFloat(pastValue[0])
  994. for k := 1; k < num; k++ {
  995. tmpVal := decimal.NewFromFloat(pastValue[k])
  996. bf = bf.Add(tmpVal)
  997. }
  998. value, _ = af.Sub(bf.Div(numDecimal)).RoundCeil(4).Float64()
  999. ok = true
  1000. return
  1001. }
  1002. // Annualized
  1003. // @Description: 年化计算
  1004. // @author: Roc
  1005. // @receiver obj
  1006. // @datetime2023-11-03 13:34:32
  1007. // @param to orm.TxOrmer
  1008. // @param edbInfoId int
  1009. // @param source int
  1010. // @param fromEdbInfo *EdbInfo
  1011. // @param edbCode string
  1012. // @return dateDataMap map[time.Time]float64
  1013. // @return err error
  1014. func (obj BaseCalculate) Annualized() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  1015. dateDataMap = make(map[time.Time]float64)
  1016. fromDataList := obj.DataList
  1017. lenFromDataList := len(fromDataList)
  1018. // 如果来源指标没有数据,那么就直接返回得了
  1019. if lenFromDataList <= 0 {
  1020. return
  1021. }
  1022. // 数据处理
  1023. // 插值法数据处理
  1024. handleDataMap := make(map[time.Time]float64)
  1025. _, err = HandleDataByLinearRegressionByTime(fromDataList, handleDataMap)
  1026. if err != nil {
  1027. return
  1028. }
  1029. // 每年的最后一天的数据值
  1030. yearLastValMap := make(map[int]float64)
  1031. startDataTime := fromDataList[0].DataTime
  1032. endDataTime := fromDataList[lenFromDataList-1].DataTime
  1033. for i := startDataTime.Year(); i <= endDataTime.Year(); i++ {
  1034. tmpDate := time.Date(i, 12, 31, startDataTime.Hour(), startDataTime.Minute(), startDataTime.Second(), startDataTime.Nanosecond(), time.Local)
  1035. if tmpVal, ok := handleDataMap[tmpDate]; ok {
  1036. yearLastValMap[i] = tmpVal
  1037. }
  1038. }
  1039. // 数据计算
  1040. // 遍历来源指标数据
  1041. for _, v := range fromDataList {
  1042. currDate := v.DataTime
  1043. perValMap := make(map[time.Time]float64)
  1044. //前3年当日的数据
  1045. for i := 1; i <= 3; i++ {
  1046. tmpDateTime := currDate.AddDate(-i, 0, 0)
  1047. if tmpVal, ok := handleDataMap[tmpDateTime]; ok {
  1048. perValMap[tmpDateTime] = tmpVal
  1049. }
  1050. }
  1051. lenPerValMap := len(perValMap)
  1052. // 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
  1053. if lenPerValMap < 2 {
  1054. continue
  1055. }
  1056. // N年 当前值占全年比重 的值列表
  1057. divValList := make([]decimal.Decimal, 0)
  1058. for tmpDateTime, tmpVal := range perValMap {
  1059. yearLastVal, ok2 := yearLastValMap[tmpDateTime.Year()]
  1060. // 如果当年最后一天没有数据
  1061. if !ok2 {
  1062. continue
  1063. }
  1064. // 当前值占全年比重
  1065. tmpYearLastVal := decimal.NewFromFloat(yearLastVal)
  1066. if tmpYearLastVal.IsZero() { //如果是0,那么就退出当前循环,进入下一个循环
  1067. continue
  1068. }
  1069. divVal := decimal.NewFromFloat(tmpVal).Div(tmpYearLastVal)
  1070. divValList = append(divValList, divVal)
  1071. }
  1072. lenDivValList := len(divValList)
  1073. // 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
  1074. if lenDivValList < 2 {
  1075. continue
  1076. }
  1077. divValSum := decimal.NewFromFloat(0)
  1078. for _, divVal := range divValList {
  1079. divValSum = divValSum.Add(divVal)
  1080. }
  1081. // 当前计算出来的结果
  1082. tmpDivVal := divValSum.Div(decimal.NewFromInt(int64(lenDivValList)))
  1083. if tmpDivVal.IsZero() { //如果是0,那么就退出当前循环,进入下一个循环
  1084. continue
  1085. }
  1086. currVal, _ := decimal.NewFromFloat(v.Value).Div(tmpDivVal).Round(4).Float64()
  1087. dateDataMap[currDate] = currVal
  1088. }
  1089. return
  1090. }
  1091. // Ljz
  1092. // @Description: 累计值
  1093. // @author: Roc
  1094. // @receiver obj
  1095. // @datetime2023-11-03 13:49:17
  1096. // @return dateDataMap map[time.Time]float64
  1097. // @return err error
  1098. func (obj BaseCalculate) Ljz() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  1099. dateDataMap = make(map[time.Time]float64)
  1100. dataList := obj.DataList
  1101. frequency := obj.Frequency //需要变更的频度
  1102. fromFrequency := obj.FromFrequency //来源的频度
  1103. // 数据处理
  1104. 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
  1105. // 周度数据需要先变成日度的
  1106. if fromFrequency == `周度` {
  1107. isWeekData = true
  1108. }
  1109. fromEdbDataMap := make(map[time.Time]float64)
  1110. if isWeekData {
  1111. dataList, err = HandleDataByLinearRegressionByTime(dataList, fromEdbDataMap)
  1112. if err != nil {
  1113. return
  1114. }
  1115. }
  1116. //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。
  1117. //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。
  1118. //日度转季度、年度:方法类似转月度。
  1119. //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。
  1120. //月度转季度/年度: 当季/当年月度值相加。
  1121. dateList := make([]time.Time, 0)
  1122. valueMap := make(map[time.Time]float64)
  1123. switch frequency {
  1124. case "年度":
  1125. yearMap := make(map[int]float64)
  1126. yearList := make([]int, 0)
  1127. for _, item := range dataList {
  1128. year := item.DataTime.Year()
  1129. yearVal, ok := yearMap[year]
  1130. if ok {
  1131. yearMap[year] = item.Value + yearVal
  1132. } else {
  1133. yearList = append(yearList, year)
  1134. yearMap[year] = item.Value
  1135. }
  1136. }
  1137. for _, v := range yearList {
  1138. currTime := time.Date(v, 12, 31, 0, 0, 0, 0, time.Local)
  1139. dateList = append(dateList, currTime)
  1140. valueMap[currTime] = yearMap[v]
  1141. }
  1142. case "半年度":
  1143. yearMonthMap := make(map[string]float64)
  1144. yearMonthList := make([]string, 0)
  1145. for _, item := range dataList {
  1146. itemDate := item.DataTime
  1147. year := itemDate.Year()
  1148. var tmpK string
  1149. if itemDate.Month() <= 6 {
  1150. tmpK = fmt.Sprint(year, "06")
  1151. } else {
  1152. tmpK = fmt.Sprint(year, "12")
  1153. }
  1154. yearVal, ok := yearMonthMap[tmpK]
  1155. if ok {
  1156. yearMonthMap[tmpK] = item.Value + yearVal
  1157. } else {
  1158. yearMonthList = append(yearMonthList, tmpK)
  1159. yearMonthMap[tmpK] = item.Value
  1160. }
  1161. }
  1162. for _, v := range yearMonthList {
  1163. currTime, tmpErr := time.ParseInLocation(utils.FormatYearMonthUnSpace, v, time.Local)
  1164. if tmpErr != nil {
  1165. err = tmpErr
  1166. return
  1167. }
  1168. currTime = currTime.AddDate(0, 1, -1)
  1169. dateList = append(dateList, currTime)
  1170. valueMap[currTime] = yearMonthMap[v]
  1171. }
  1172. case "季度":
  1173. yearMonthMap := make(map[string]float64)
  1174. yearMonthList := make([]string, 0)
  1175. for _, item := range dataList {
  1176. itemDate := item.DataTime
  1177. year := itemDate.Year()
  1178. var tmpK string
  1179. if itemDate.Month() <= 3 {
  1180. tmpK = fmt.Sprint(year, "03")
  1181. } else if itemDate.Month() <= 6 {
  1182. tmpK = fmt.Sprint(year, "06")
  1183. } else if itemDate.Month() <= 9 {
  1184. tmpK = fmt.Sprint(year, "09")
  1185. } else {
  1186. tmpK = fmt.Sprint(year, "12")
  1187. }
  1188. yearVal, ok := yearMonthMap[tmpK]
  1189. if ok {
  1190. yearMonthMap[tmpK] = item.Value + yearVal
  1191. } else {
  1192. yearMonthList = append(yearMonthList, tmpK)
  1193. yearMonthMap[tmpK] = item.Value
  1194. }
  1195. }
  1196. for _, v := range yearMonthList {
  1197. currTime, tmpErr := time.ParseInLocation(utils.FormatYearMonthUnSpace, v, time.Local)
  1198. if tmpErr != nil {
  1199. err = tmpErr
  1200. return
  1201. }
  1202. currTime = currTime.AddDate(0, 1, -1)
  1203. dateList = append(dateList, currTime)
  1204. valueMap[currTime] = yearMonthMap[v]
  1205. }
  1206. case "月度":
  1207. yearMonthMap := make(map[string]float64)
  1208. yearMonthList := make([]string, 0)
  1209. for _, item := range dataList {
  1210. itemDate := item.DataTime
  1211. year := itemDate.Year()
  1212. var tmpK string
  1213. tmpK = fmt.Sprint(year*100 + int(itemDate.Month()))
  1214. yearVal, ok := yearMonthMap[tmpK]
  1215. if ok {
  1216. yearMonthMap[tmpK] = item.Value + yearVal
  1217. } else {
  1218. yearMonthList = append(yearMonthList, tmpK)
  1219. yearMonthMap[tmpK] = item.Value
  1220. }
  1221. }
  1222. for _, v := range yearMonthList {
  1223. currTime, tmpErr := time.ParseInLocation(utils.FormatYearMonthUnSpace, v, time.Local)
  1224. if tmpErr != nil {
  1225. err = tmpErr
  1226. return
  1227. }
  1228. currTime = currTime.AddDate(0, 1, -1)
  1229. dateList = append(dateList, currTime)
  1230. valueMap[currTime] = yearMonthMap[v]
  1231. }
  1232. case "旬度":
  1233. tmpDateDataMap := make(map[time.Time]float64)
  1234. tmpDateList := make([]time.Time, 0)
  1235. for _, item := range dataList {
  1236. itemDate := item.DataTime
  1237. dayInt := itemDate.Year()*100 + int(itemDate.Month())
  1238. var currTime time.Time
  1239. if itemDate.Day() <= 10 {
  1240. //本月上旬
  1241. tmpK := fmt.Sprint(dayInt, "10")
  1242. currTime, err = time.ParseInLocation(utils.FormatDateUnSpace, tmpK, time.Local)
  1243. if err != nil {
  1244. return
  1245. }
  1246. } else if itemDate.Day() <= 20 {
  1247. // 本月中旬
  1248. tmpK := fmt.Sprint(dayInt, "20")
  1249. currTime, err = time.ParseInLocation(utils.FormatDateUnSpace, tmpK, time.Local)
  1250. if err != nil {
  1251. return
  1252. }
  1253. } else {
  1254. // 本月下旬
  1255. currTime, err = time.ParseInLocation(utils.FormatYearMonthUnSpace, fmt.Sprint(dayInt), time.Local)
  1256. if err != nil {
  1257. return
  1258. }
  1259. currTime = currTime.AddDate(0, 1, -1)
  1260. }
  1261. yearVal, ok := tmpDateDataMap[currTime]
  1262. if ok {
  1263. tmpDateDataMap[currTime] = item.Value + yearVal
  1264. } else {
  1265. tmpDateList = append(tmpDateList, currTime)
  1266. tmpDateDataMap[currTime] = item.Value
  1267. }
  1268. }
  1269. for _, currTime := range tmpDateList {
  1270. dateList = append(dateList, currTime)
  1271. valueMap[currTime] = tmpDateDataMap[currTime]
  1272. }
  1273. case "周度":
  1274. tmpDateDataMap := make(map[time.Time]float64)
  1275. tmpDateList := make([]time.Time, 0)
  1276. for _, item := range dataList {
  1277. itemDate := item.DataTime
  1278. var currTime time.Time
  1279. // 周六周日,这是下一个周五的数据
  1280. if itemDate.Weekday() == 0 {
  1281. currTime = itemDate.AddDate(0, 0, 5)
  1282. } else if itemDate.Weekday() == 6 {
  1283. currTime = itemDate.AddDate(0, 0, 6)
  1284. } else {
  1285. currTime = itemDate.AddDate(0, 0, 5-int(itemDate.Weekday()))
  1286. }
  1287. yearVal, ok := tmpDateDataMap[currTime]
  1288. if ok {
  1289. tmpDateDataMap[currTime] = item.Value + yearVal
  1290. } else {
  1291. tmpDateList = append(tmpDateList, currTime)
  1292. tmpDateDataMap[currTime] = item.Value
  1293. }
  1294. }
  1295. for _, currTime := range tmpDateList {
  1296. dateList = append(dateList, currTime)
  1297. valueMap[currTime] = tmpDateDataMap[currTime]
  1298. }
  1299. default:
  1300. err = errors.New("错误的频度")
  1301. return
  1302. }
  1303. // 数据计算
  1304. for _, currTime := range dateList {
  1305. tmpVal, ok2 := valueMap[currTime]
  1306. if !ok2 {
  1307. err = errors.New("数据异常,date:" + currTime.Format(utils.FormatDate))
  1308. return
  1309. }
  1310. var saveValue float64
  1311. if isWeekData { //周度指标转的话,最后结果要除以7
  1312. saveValue, _ = decimal.NewFromFloat(tmpVal).Div(decimal.NewFromInt(7)).Round(4).Float64()
  1313. } else {
  1314. saveValue, _ = decimal.NewFromFloat(tmpVal).Round(4).Float64()
  1315. }
  1316. dateDataMap[currTime] = saveValue
  1317. }
  1318. return
  1319. }
  1320. // LjzNczj
  1321. // @Description:年初至今累计值计算
  1322. // @author: Roc
  1323. // @receiver obj
  1324. // @datetime2023-11-03 13:55:44
  1325. // @return dateDataMap map[time.Time]float64
  1326. // @return err error
  1327. func (obj BaseCalculate) LjzNczj() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  1328. dateDataMap = make(map[time.Time]float64)
  1329. dataList := obj.DataList
  1330. frequency := obj.Frequency //需要变更的频度
  1331. fromFrequency := obj.FromFrequency //来源的频度
  1332. // 数据处理
  1333. 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
  1334. // 周度数据需要先变成日度的
  1335. if fromFrequency == `周度` {
  1336. isWeekData = true
  1337. }
  1338. fromEdbDataMap := make(map[time.Time]float64)
  1339. if isWeekData {
  1340. dataList, err = HandleDataByLinearRegressionByTime(dataList, fromEdbDataMap)
  1341. if err != nil {
  1342. return
  1343. }
  1344. }
  1345. //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。
  1346. //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
  1347. //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
  1348. //以此类推
  1349. dateList := make([]time.Time, 0)
  1350. valueMap := make(map[time.Time]float64)
  1351. yearMap := make(map[int]float64)
  1352. switch frequency {
  1353. case "周度":
  1354. tmpDateDataMap := make(map[time.Time]float64)
  1355. tmpDateList := make([]time.Time, 0)
  1356. for _, item := range dataList {
  1357. itemDate := item.DataTime
  1358. var currTime time.Time
  1359. // 周六周日,这是下一个周五的数据
  1360. if itemDate.Weekday() == 0 {
  1361. currTime = itemDate.AddDate(0, 0, 5)
  1362. } else if itemDate.Weekday() == 6 {
  1363. currTime = itemDate.AddDate(0, 0, 6)
  1364. } else {
  1365. currTime = itemDate.AddDate(0, 0, 5-int(itemDate.Weekday()))
  1366. }
  1367. year := itemDate.Year()
  1368. yearVal, ok := yearMap[year]
  1369. if ok {
  1370. yearMap[year] = item.Value + yearVal
  1371. } else {
  1372. yearMap[year] = item.Value
  1373. }
  1374. if itemDate.Equal(currTime) {
  1375. tmpDateDataMap[itemDate] = yearMap[year]
  1376. tmpDateList = append(tmpDateList, itemDate)
  1377. }
  1378. }
  1379. for _, currTime := range tmpDateList {
  1380. dateList = append(dateList, currTime)
  1381. valueMap[currTime] = tmpDateDataMap[currTime]
  1382. }
  1383. default:
  1384. for _, item := range dataList {
  1385. itemDate := item.DataTime
  1386. year := itemDate.Year()
  1387. yearVal, ok := yearMap[year]
  1388. if ok {
  1389. yearMap[year] = item.Value + yearVal
  1390. } else {
  1391. yearMap[year] = item.Value
  1392. }
  1393. valueMap[itemDate] = yearMap[year]
  1394. dateList = append(dateList, itemDate)
  1395. }
  1396. }
  1397. // 数据计算
  1398. for _, currTime := range dateList {
  1399. tmpVal, ok2 := valueMap[currTime]
  1400. if !ok2 {
  1401. err = errors.New("数据异常,date:" + currTime.Format(utils.FormatDate))
  1402. return
  1403. }
  1404. var saveValue float64
  1405. if isWeekData { //周度指标转的话,最后结果要除以7
  1406. saveValue, _ = decimal.NewFromFloat(tmpVal).Div(decimal.NewFromInt(7)).Round(4).Float64()
  1407. } else {
  1408. saveValue, _ = decimal.NewFromFloat(tmpVal).Round(4).Float64()
  1409. }
  1410. dateDataMap[currTime] = saveValue
  1411. }
  1412. return
  1413. }
  1414. // ExponentialSmoothing
  1415. // @Description: 指数修匀计算
  1416. // @author: Roc
  1417. // @receiver obj
  1418. // @datetime2023-11-03 14:07:47
  1419. // @return dateDataMap map[time.Time]float64
  1420. // @return err error
  1421. func (obj BaseCalculate) ExponentialSmoothing() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  1422. dateDataMap = make(map[time.Time]float64)
  1423. dataList := obj.DataList
  1424. formula := obj.Formula.(string) // alpha值
  1425. alpha, _ := strconv.ParseFloat(formula, 64)
  1426. if alpha <= 0 || alpha >= 1 {
  1427. err = fmt.Errorf("alpha值有误: %v", alpha)
  1428. return
  1429. }
  1430. // 获取标准差图表的指标数据
  1431. fromDataList, err := calculateExponentialSmoothingData(dataList, alpha)
  1432. if err != nil {
  1433. return
  1434. }
  1435. // 数据计算
  1436. for _, tmpData := range fromDataList {
  1437. if tmpData.DataTime.IsZero() {
  1438. continue
  1439. }
  1440. // 当前的实际值
  1441. saveValue, _ := decimal.NewFromFloat(tmpData.Value).Round(4).Float64()
  1442. dateDataMap[tmpData.DataTime] = saveValue
  1443. }
  1444. return
  1445. }
  1446. // calculateExponentialSmoothingData
  1447. // @Description: 计算指数修匀
  1448. // @author: Roc
  1449. // @datetime2023-11-03 14:05:41
  1450. // @param dataList []*EdbInfoData 时间基准指标在时间区间内的值
  1451. // @param strAlpha float64
  1452. // @return newDataList []EdbInfoData
  1453. // @return err error
  1454. func calculateExponentialSmoothingData(dataList []*EdbInfoData, alpha float64) (newDataList []EdbInfoData, err error) {
  1455. if alpha <= 0 || alpha >= 1 {
  1456. err = fmt.Errorf("alpha值有误: %v", alpha)
  1457. return
  1458. }
  1459. var preVal float64
  1460. alphaDecimal := decimal.NewFromFloat(alpha)
  1461. subAlpha := decimal.NewFromFloat(1).Sub(alphaDecimal)
  1462. for k, d := range dataList {
  1463. // 首期的值以原始值作为指数修匀的计算值
  1464. if k == 0 {
  1465. newDataList = append(newDataList, EdbInfoData{
  1466. EdbDataId: k,
  1467. DataTime: dataList[k].DataTime,
  1468. Value: d.Value,
  1469. })
  1470. preVal = d.Value
  1471. continue
  1472. }
  1473. // 上一期的值参与计算
  1474. preDecimal := decimal.NewFromFloat(preVal)
  1475. valDecimal := decimal.NewFromFloat(d.Value)
  1476. partA := alphaDecimal.Mul(valDecimal)
  1477. partB := subAlpha.Mul(preDecimal)
  1478. res, _ := (partA.Add(partB)).Float64()
  1479. preVal = res
  1480. newDataList = append(newDataList, EdbInfoData{
  1481. EdbDataId: k,
  1482. DataTime: dataList[k].DataTime,
  1483. Value: res,
  1484. })
  1485. }
  1486. return
  1487. }
  1488. // Rjz
  1489. // @Description: 日均值计算
  1490. // @author: Roc
  1491. // @receiver obj
  1492. // @datetime2023-11-03 14:47:47
  1493. // @return dateDataMap map[time.Time]float64
  1494. // @return err error
  1495. func (obj BaseCalculate) Rjz() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  1496. dateDataMap = make(map[time.Time]float64)
  1497. dataList := obj.DataList
  1498. fromFrequency := obj.FromFrequency
  1499. if fromFrequency == `` {
  1500. errMsg = "原指标的频度不能为空"
  1501. err = errors.New(errMsg)
  1502. return
  1503. }
  1504. if obj.FromFrequency == "日度" {
  1505. errMsg = "日度指标无需进行日均值计算"
  1506. err = errors.New(errMsg)
  1507. return
  1508. }
  1509. // 数据处理
  1510. // 数据降序
  1511. dataList = reverseSliceByDesc(dataList)
  1512. var dateArr []time.Time
  1513. dataMap := make(map[time.Time]*EdbInfoData)
  1514. for _, v := range dataList {
  1515. dateArr = append(dateArr, v.DataTime)
  1516. dataMap[v.DataTime] = v
  1517. }
  1518. // 数据计算
  1519. for _, currentDate := range dateArr {
  1520. //当前日期
  1521. currentItem, ok := dataMap[currentDate]
  1522. if !ok {
  1523. continue
  1524. }
  1525. //根据频度计算需要均分的天数
  1526. days := GetRjzFrequencyDays(currentDate, fromFrequency)
  1527. val, ok := rjzDivV2(currentItem.Value, days)
  1528. if !ok {
  1529. continue
  1530. }
  1531. dateDataMap[currentDate] = val
  1532. }
  1533. return
  1534. }
  1535. // rjzDivV2
  1536. // @Description: 日均值计算
  1537. // @author: Roc
  1538. // @datetime2023-11-03 14:47:36
  1539. // @param a float64
  1540. // @param b int
  1541. // @return val float64
  1542. // @return ok bool
  1543. func rjzDivV2(a float64, b int) (val float64, ok bool) {
  1544. if b == 0 {
  1545. return
  1546. }
  1547. af := decimal.NewFromFloat(a)
  1548. bf := decimal.NewFromFloat(float64(b))
  1549. val, _ = af.Div(bf).Round(4).Float64()
  1550. ok = true
  1551. return
  1552. }
  1553. // reverseSliceByDesc
  1554. // @Description: 倒转切片
  1555. // @author: Roc
  1556. // @datetime2023-11-06 14:08:25
  1557. // @param slice []*EdbInfoData
  1558. // @return []*EdbInfoData
  1559. func reverseSliceByDesc(slice []*EdbInfoData) (newSlice []*EdbInfoData) {
  1560. // 只有一个数据的话,那么就直接返回
  1561. if len(slice) <= 1 {
  1562. newSlice = slice
  1563. return
  1564. }
  1565. if !slice[1].DataTime.After(slice[0].DataTime) {
  1566. newSlice = slice
  1567. return
  1568. }
  1569. newSlice = make([]*EdbInfoData, len(slice))
  1570. for i, j := 0, len(slice)-1; i < len(slice); i, j = i+1, j-1 {
  1571. newSlice[i] = slice[j]
  1572. }
  1573. return
  1574. }
  1575. // EdbInfoSearchDataToData
  1576. // @Description: 将EdbInfoSearchData转成EdbInfoData
  1577. // @author: Roc
  1578. // @datetime2023-11-09 11:11:31
  1579. // @param dataList []*EdbInfoSearchData
  1580. // @return newDateDataList []*EdbInfoData
  1581. // @return err error
  1582. func EdbInfoSearchDataToData(dataList []*EdbInfoSearchData) (newDateDataList []*EdbInfoData, err error) {
  1583. newDateDataList = make([]*EdbInfoData, 0)
  1584. for _, data := range dataList {
  1585. dateTime, tmpErr := time.ParseInLocation(utils.FormatDate, data.DataTime, time.Local)
  1586. if tmpErr != nil {
  1587. err = tmpErr
  1588. return
  1589. }
  1590. newDateDataList = append(newDateDataList, &EdbInfoData{
  1591. EdbDataId: data.EdbDataId,
  1592. DataTime: dateTime,
  1593. Value: data.Value,
  1594. })
  1595. }
  1596. return
  1597. }
  1598. // GetDateDataAndDateList
  1599. // @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
  1600. // @author: Roc
  1601. // @datetime2023-11-09 13:10:38
  1602. // @param dateDataMap map[time.Time]float64
  1603. // @return dateStrDataMap map[string]float64
  1604. // @return dateStrList []string
  1605. func GetDateDataAndDateList(dateDataMap map[time.Time]float64) (dateStrDataMap map[string]float64, dateStrList []string) {
  1606. dateStrDataMap = make(map[string]float64)
  1607. dateStrList = make([]string, 0)
  1608. dateList := make([]time.Time, 0)
  1609. for date, val := range dateDataMap {
  1610. dateStr := date.Format(utils.FormatDate)
  1611. dateStrDataMap[dateStr] = val
  1612. dateList = append(dateList, date)
  1613. }
  1614. // 使用 sort.Slice 对日期切片进行排序
  1615. sort.Slice(dateList, func(i, j int) bool {
  1616. return dateList[i].Before(dateList[j])
  1617. })
  1618. // 将日期排序后返回日期字符串切片
  1619. for _, v := range dateList {
  1620. dateStrList = append(dateStrList, v.Format(utils.FormatDate))
  1621. }
  1622. return
  1623. }