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. // BaseCalculate
  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. var dateArr []time.Time
  532. for _, v := range dataList {
  533. dateArr = append(dateArr, v.DataTime)
  534. }
  535. // 数据计算
  536. dataLen := len(dataList)
  537. //fmt.Println("dataLen:", dataLen)
  538. for i := 0; i < dataLen; i++ {
  539. j := i + formulaInt
  540. if j < dataLen {
  541. //当期
  542. currentItem := dataList[i]
  543. preItem := dataList[j]
  544. // 当期和上期没有数据
  545. if currentItem == nil || preItem == nil {
  546. continue
  547. }
  548. // 开始计算
  549. val, ok := hbzDiv(currentItem.Value, preItem.Value)
  550. // 计算失败
  551. if !ok {
  552. continue
  553. }
  554. dateDataMap[currentItem.DataTime] = val
  555. }
  556. }
  557. return
  558. }
  559. // hbzDiv
  560. // @Description: 环比值计算,current:当期,pre:上期 公式: (当期-上期)/上期
  561. // @author: Roc
  562. // @datetime2023-11-02 18:20:11
  563. // @param current float64
  564. // @param pre float64
  565. // @return val float64
  566. // @return ok bool
  567. func hbzDiv(current, pre float64) (val float64, ok bool) {
  568. if pre == 0 {
  569. return
  570. }
  571. currentVal := decimal.NewFromFloat(current)
  572. preVal := decimal.NewFromFloat(pre)
  573. val, _ = currentVal.Sub(preVal).Div(preVal).RoundCeil(4).Float64()
  574. //valStr := decimal.NewFromFloat(val).RoundCeil(4).String() //utils.SubFloatToString(val, 4)
  575. ok = true
  576. return
  577. }
  578. // Hcz
  579. // @Description: 计算环差值数据
  580. // @author: Roc
  581. // @receiver obj
  582. // @datetime2023-11-02 18:33:20
  583. // @return dateDataMap map[time.Time]float64
  584. // @return err error
  585. func (obj BaseCalculate) Hcz() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  586. dateDataMap = make(map[time.Time]float64)
  587. dataList := obj.DataList
  588. nVal := fmt.Sprint(obj.Formula)
  589. formulaInt, err := strconv.Atoi(nVal)
  590. if err != nil {
  591. return
  592. }
  593. // 数据处理
  594. var dateArr []time.Time
  595. for _, v := range dataList {
  596. dateArr = append(dateArr, v.DataTime)
  597. }
  598. dataLen := len(dataList)
  599. fmt.Println("dataLen:", dataLen)
  600. for i := 0; i < dataLen; i++ {
  601. j := i + formulaInt
  602. if j < dataLen {
  603. //当期
  604. currentItem := dataList[i]
  605. preItem := dataList[j]
  606. // 当期和上期没有数据
  607. if currentItem == nil || preItem == nil {
  608. continue
  609. }
  610. // 开始计算
  611. val := hczDiv(currentItem.Value, preItem.Value)
  612. dateDataMap[currentItem.DataTime] = val
  613. }
  614. }
  615. return
  616. }
  617. // hczDiv
  618. // @Description: 环差值计算,current:当期,pre:上期 公式:当期-上期
  619. // @author: Roc
  620. // @datetime2023-11-02 18:33:07
  621. // @param current float64
  622. // @param pre float64
  623. // @return float64
  624. func hczDiv(current, pre float64) float64 {
  625. currentVal := decimal.NewFromFloat(current)
  626. preVal := decimal.NewFromFloat(pre)
  627. val, _ := currentVal.Sub(preVal).RoundCeil(4).Float64()
  628. //valStr := decimal.NewFromFloat(val).RoundCeil(4).String() //utils.SubFloatToString(val, 4)
  629. return val
  630. }
  631. // UpFrequency
  632. // @Description: 升频计算
  633. // @author: Roc
  634. // @receiver obj
  635. // @datetime2023-11-02 18:43:03
  636. // @return dateDataMap map[time.Time]float64
  637. // @return err error
  638. func (obj BaseCalculate) UpFrequency() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  639. dateDataMap = make(map[time.Time]float64)
  640. dataList := obj.DataList
  641. // 数据处理
  642. var dateArr []time.Time
  643. dataMap := make(map[time.Time]*EdbInfoData)
  644. fromDataMap := make(map[time.Time]float64)
  645. //来源指指标数据
  646. for _, v := range dataList {
  647. dateArr = append(dateArr, v.DataTime)
  648. dataMap[v.DataTime] = v
  649. fromDataMap[v.DataTime] = v.Value
  650. }
  651. // 数据计算
  652. dataLen := len(dataList)
  653. for i := 0; i < dataLen; i++ {
  654. //当期
  655. currentItem := dataList[i]
  656. currentDate := currentItem.DataTime
  657. var day int
  658. var preItem *EdbInfoData
  659. var preDate time.Time
  660. if i == 0 {
  661. day = int(time.Now().Sub(currentDate).Hours() / float64(24))
  662. preDate = time.Now()
  663. } else {
  664. j := i - 1
  665. if j < dataLen {
  666. preItem = dataList[j]
  667. day = int(preItem.DataTime.Sub(currentDate).Hours() / float64(24))
  668. utils.FileLog.Info("preItem.DataTime:" + preItem.DataTime.Format(utils.FormatDate) + ";currentItem.DataTime" + currentItem.DataTime.Format(utils.FormatDate))
  669. }
  670. }
  671. for k := 0; k <= day; k++ {
  672. needDay := preDate.AddDate(0, 0, -k)
  673. dateDataMap[needDay] = currentItem.Value
  674. }
  675. dateDataMap[currentItem.DataTime] = currentItem.Value
  676. }
  677. return
  678. }
  679. // DownFrequency
  680. // @Description: 降频计算
  681. // @author: Roc
  682. // @receiver obj
  683. // @datetime2023-11-02 18:51:26
  684. // @return dateDataMap map[time.Time]float64
  685. // @return err error
  686. func (obj BaseCalculate) DownFrequency() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  687. dateDataMap = make(map[time.Time]float64)
  688. dataList := obj.DataList
  689. edbFrequency := obj.Frequency
  690. formula := obj.Formula.(string)
  691. // 数据处理
  692. var dateArr []time.Time
  693. dataMap := make(map[time.Time]*EdbInfoData)
  694. fromDataMap := make(map[time.Time]float64)
  695. //来源指指标数据
  696. for _, v := range dataList {
  697. dateArr = append(dateArr, v.DataTime)
  698. dataMap[v.DataTime] = v
  699. fromDataMap[v.DataTime] = v.Value
  700. }
  701. // 数据计算
  702. dataLen := len(dataList)
  703. if dataLen <= 0 {
  704. return
  705. }
  706. startDataTime := dataList[0].DataTime
  707. endDataTime := dataList[dataLen-1].DataTime
  708. var lastValue float64 // 最近的值
  709. var nextEndDate time.Time // 下一个节点的日期
  710. weekDayDataList := make([]float64, 0)
  711. for tmpStartDataTime := startDataTime; !tmpStartDataTime.After(endDataTime); tmpStartDataTime = tmpStartDataTime.AddDate(0, 0, 1) {
  712. // 将当前数据加入到 weekDayDataList
  713. if tmpData, ok := dataMap[tmpStartDataTime]; ok {
  714. tmpValue := decimal.NewFromFloat(tmpData.Value)
  715. tmpValueFloat, _ := tmpValue.Round(4).Float64()
  716. weekDayDataList = append(weekDayDataList, tmpValueFloat)
  717. }
  718. // 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)
  719. if nextEndDate.IsZero() {
  720. nextEndDate = utils.GetFrequencyEndDay(tmpStartDataTime, edbFrequency)
  721. }
  722. // 日期处理过滤
  723. switch edbFrequency {
  724. case "周度":
  725. if tmpStartDataTime.Weekday() != 0 {
  726. //不是周日,代表需要进入下一个循环获取数据并计算
  727. continue
  728. } else {
  729. //记录下一个结束节点的日期
  730. nextEndDate = tmpStartDataTime.AddDate(0, 0, 7)
  731. }
  732. case "旬度":
  733. nextDay := tmpStartDataTime.AddDate(0, 0, 1)
  734. if nextDay.Day() != 1 && nextDay.Day() != 11 && nextDay.Day() != 21 {
  735. //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
  736. continue
  737. } else {
  738. //记录下一个结束节点的日期
  739. if nextDay.Day() == 1 || nextDay.Day() == 11 {
  740. //月初或者月末的时候,加10天就好了
  741. nextEndDate = nextDay.AddDate(0, 0, 9)
  742. } else {
  743. tmpNextMonth := nextDay.AddDate(0, 1, 0)
  744. nextEndDate = time.Date(tmpNextMonth.Year(), tmpNextMonth.Month(), 1, 0, 0, 0, 0, time.Local).AddDate(0, 0, -1)
  745. }
  746. }
  747. case "月度":
  748. nextDay := tmpStartDataTime.AddDate(0, 0, 1)
  749. if nextDay.Day() != 1 {
  750. //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
  751. continue
  752. } else {
  753. //记录下一个结束节点的日期
  754. nextEndDate = nextDay.AddDate(0, 1, -1)
  755. }
  756. case "季度":
  757. nextDay := tmpStartDataTime.AddDate(0, 0, 1)
  758. if (nextDay.Month() == 1 || nextDay.Month() == 4 || nextDay.Month() == 7 || nextDay.Month() == 10) && nextDay.Day() == 1 {
  759. //记录下一个结束节点的日期
  760. nextEndDate = nextDay.AddDate(0, 3, -1)
  761. } else {
  762. //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
  763. continue
  764. }
  765. case "年度":
  766. if tmpStartDataTime.Month() == 12 && tmpStartDataTime.Day() == 31 {
  767. //记录下一个结束节点的日期
  768. nextEndDate = tmpStartDataTime.AddDate(1, 0, 0)
  769. } else {
  770. //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
  771. continue
  772. }
  773. default:
  774. err = errors.New("错误的频度:" + edbFrequency)
  775. return
  776. }
  777. // 当前时间段内的数据计算,得出实际值
  778. var currVal float64
  779. lenWeekDayDataList := len(weekDayDataList)
  780. // 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
  781. if len(weekDayDataList) <= 0 {
  782. currVal = lastValue
  783. } else {
  784. if formula == "期末值" {
  785. currVal = weekDayDataList[lenWeekDayDataList-1]
  786. } else {
  787. // 平均值
  788. sumValDeci := decimal.NewFromFloat(0)
  789. for _, v := range weekDayDataList {
  790. tmpValDeci := decimal.NewFromFloat(v)
  791. sumValDeci = sumValDeci.Add(tmpValDeci)
  792. }
  793. lenDeci := decimal.NewFromInt(int64(lenWeekDayDataList))
  794. currVal, _ = sumValDeci.Div(lenDeci).Round(4).Float64()
  795. }
  796. }
  797. // 赋值
  798. dateDataMap[tmpStartDataTime] = currVal
  799. // 一轮结束后,数据清空
  800. weekDayDataList = make([]float64, 0)
  801. }
  802. // 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
  803. if len(weekDayDataList) > 0 {
  804. // 当前时间段内的数据计算,得出实际值
  805. var currVal float64
  806. lenWeekDayDataList := len(weekDayDataList)
  807. // 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
  808. if len(weekDayDataList) < 0 {
  809. currVal = lastValue
  810. } else {
  811. if formula == "期末值" {
  812. currVal = weekDayDataList[lenWeekDayDataList-1]
  813. } else {
  814. // 平均值
  815. sumValDeci := decimal.NewFromFloat(0)
  816. for _, v := range weekDayDataList {
  817. tmpValDeci := decimal.NewFromFloat(v)
  818. sumValDeci = sumValDeci.Add(tmpValDeci)
  819. }
  820. lenDeci := decimal.NewFromInt(int64(lenWeekDayDataList))
  821. currVal, _ = sumValDeci.Div(lenDeci).Round(4).Float64()
  822. }
  823. }
  824. // 赋值
  825. dateDataMap[nextEndDate] = currVal
  826. }
  827. return
  828. }
  829. // TimeShift
  830. // @Description: 时间移位计算
  831. // @author: Roc
  832. // @receiver obj
  833. // @datetime2023-11-03 13:19:07
  834. // @return dateDataMap map[time.Time]float64
  835. // @return err error
  836. func (obj BaseCalculate) TimeShift() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  837. dateDataMap = make(map[time.Time]float64)
  838. dataList := obj.DataList
  839. nVal := fmt.Sprint(obj.Formula)
  840. formulaInt, err := strconv.Atoi(nVal)
  841. if err != nil {
  842. return
  843. }
  844. moveType := obj.MoveType
  845. moveFrequency := obj.MoveFrequency
  846. // 数据处理
  847. var dateArr []time.Time
  848. dataMap := make(map[time.Time]*EdbInfoData)
  849. for _, v := range dataList {
  850. dateArr = append(dateArr, v.DataTime)
  851. dataMap[v.DataTime] = v
  852. }
  853. var shiftDay int
  854. switch moveFrequency {
  855. case "天":
  856. shiftDay = formulaInt
  857. case "周":
  858. shiftDay = formulaInt * 7
  859. case "月":
  860. shiftDay = formulaInt * 30
  861. case "季":
  862. shiftDay = formulaInt * 90
  863. case "年":
  864. shiftDay = formulaInt * 365
  865. default:
  866. shiftDay = formulaInt
  867. }
  868. if moveType == 2 {
  869. shiftDay = -shiftDay
  870. }
  871. dataLen := len(dataList)
  872. for i := 0; i < dataLen; i++ {
  873. //当期
  874. currentItem := dataList[i]
  875. currentDate := currentItem.DataTime
  876. newDate := currentDate.AddDate(0, 0, shiftDay)
  877. val, _ := decimal.NewFromFloat(currentItem.Value).RoundCeil(4).Float64()
  878. dateDataMap[newDate] = val
  879. }
  880. return
  881. }
  882. // Cjjx
  883. // @Description: 超季节性计算
  884. // @author: Roc
  885. // @receiver obj
  886. // @datetime2023-11-03 13:28:23
  887. // @return dateDataMap map[time.Time]float64
  888. // @return err error
  889. func (obj BaseCalculate) Cjjx() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  890. dateDataMap = make(map[time.Time]float64)
  891. dataList := obj.DataList
  892. nVal := fmt.Sprint(obj.Formula)
  893. formulaInt, err := strconv.Atoi(nVal)
  894. if err != nil {
  895. return
  896. }
  897. calendar := obj.Calendar
  898. // 数据处理
  899. var dateArr []time.Time
  900. dataMap := make(map[time.Time]*EdbInfoData)
  901. for _, v := range dataList {
  902. dateArr = append(dateArr, v.DataTime)
  903. dataMap[v.DataTime] = v
  904. }
  905. // 通过插值法补全所有数据(包含周末)
  906. handleDataMap := make(map[time.Time]float64)
  907. _, err = HandleDataByLinearRegressionByTime(dataList, handleDataMap)
  908. if err != nil {
  909. return
  910. }
  911. // 每个年份的日期数据需要平移的天数
  912. moveDayMap := make(map[int]int, 0) // 每个年份的春节公历
  913. var lastDataDay time.Time
  914. if len(dataList) > 0 {
  915. lastDataDay = dataList[0].DataTime
  916. }
  917. // 数据计算
  918. for _, currentDate := range dateArr {
  919. // 如果遇到闰二月,如2.29,去掉该天数据
  920. if strings.Contains(currentDate.Format(utils.FormatDate), "02-29") {
  921. continue
  922. }
  923. //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
  924. if calendar == "农历" && currentDate.Month() > 5 && currentDate.Month() < 11 {
  925. continue
  926. }
  927. currentItem, ok := dataMap[currentDate]
  928. // 找不到数据就退出当前循环,进入下一循环
  929. if !ok {
  930. continue
  931. }
  932. pastValueList := make([]float64, 0) // 过去几期的数据
  933. pastValueList = append(pastValueList, currentItem.Value) //当前日期
  934. for i := 1; i < formulaInt; i++ {
  935. //前几年当天公历的日期
  936. historyPreDate := currentDate.AddDate(-i, 0, 0)
  937. moveDay := 0
  938. if calendar == "农历" {
  939. if tmpMoveDay, ok := moveDayMap[historyPreDate.Year()]; !ok {
  940. moveDay, err = getMoveDay(lastDataDay, historyPreDate)
  941. if err != nil {
  942. return
  943. }
  944. } else {
  945. moveDay = tmpMoveDay
  946. }
  947. // 移动天数到对应农历 的 公历 日期
  948. historyPreDate = historyPreDate.AddDate(0, 0, moveDay)
  949. }
  950. if tmpValue, ok := handleDataMap[historyPreDate]; ok { //上一年同期找到
  951. pastValueList = append(pastValueList, tmpValue)
  952. }
  953. }
  954. if len(pastValueList) == formulaInt {
  955. val, ok := cjjxSub(currentItem.Value, pastValueList)
  956. if !ok {
  957. continue
  958. }
  959. dateDataMap[currentDate] = val
  960. }
  961. }
  962. return
  963. }
  964. // cjjxSub
  965. // @Description: 超季节性计算
  966. // @author: Roc
  967. // @datetime2023-11-03 13:25:49
  968. // @param currValue float64
  969. // @param pastValue []float64
  970. // @return value float64
  971. // @return ok bool
  972. func cjjxSub(currValue float64, pastValue []float64) (value float64, ok bool) {
  973. num := len(pastValue)
  974. if num == 0 {
  975. return
  976. }
  977. numDecimal := decimal.NewFromInt(int64(num))
  978. af := decimal.NewFromFloat(currValue)
  979. bf := decimal.NewFromFloat(pastValue[0])
  980. for k := 1; k < num; k++ {
  981. tmpVal := decimal.NewFromFloat(pastValue[k])
  982. bf = bf.Add(tmpVal)
  983. }
  984. value, _ = af.Sub(bf.Div(numDecimal)).RoundCeil(4).Float64()
  985. ok = true
  986. return
  987. }
  988. // Annualized
  989. // @Description: 年化计算
  990. // @author: Roc
  991. // @receiver obj
  992. // @datetime2023-11-03 13:34:32
  993. // @param to orm.TxOrmer
  994. // @param edbInfoId int
  995. // @param source int
  996. // @param fromEdbInfo *EdbInfo
  997. // @param edbCode string
  998. // @return dateDataMap map[time.Time]float64
  999. // @return err error
  1000. func (obj BaseCalculate) Annualized() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  1001. dateDataMap = make(map[time.Time]float64)
  1002. fromDataList := obj.DataList
  1003. lenFromDataList := len(fromDataList)
  1004. // 如果来源指标没有数据,那么就直接返回得了
  1005. if lenFromDataList <= 0 {
  1006. return
  1007. }
  1008. // 数据处理
  1009. // 插值法数据处理
  1010. handleDataMap := make(map[time.Time]float64)
  1011. _, err = HandleDataByLinearRegressionByTime(fromDataList, handleDataMap)
  1012. if err != nil {
  1013. return
  1014. }
  1015. // 每年的最后一天的数据值
  1016. yearLastValMap := make(map[int]float64)
  1017. startDataTime := fromDataList[0].DataTime
  1018. endDataTime := fromDataList[lenFromDataList-1].DataTime
  1019. for i := startDataTime.Year(); i <= endDataTime.Year(); i++ {
  1020. tmpDate := time.Date(i, 12, 31, startDataTime.Hour(), startDataTime.Minute(), startDataTime.Second(), startDataTime.Nanosecond(), time.Local)
  1021. if tmpVal, ok := handleDataMap[tmpDate]; ok {
  1022. yearLastValMap[i] = tmpVal
  1023. }
  1024. }
  1025. // 数据计算
  1026. // 遍历来源指标数据
  1027. for _, v := range fromDataList {
  1028. currDate := v.DataTime
  1029. perValMap := make(map[time.Time]float64)
  1030. //前3年当日的数据
  1031. for i := 1; i <= 3; i++ {
  1032. tmpDateTime := currDate.AddDate(-i, 0, 0)
  1033. if tmpVal, ok := handleDataMap[tmpDateTime]; ok {
  1034. perValMap[tmpDateTime] = tmpVal
  1035. }
  1036. }
  1037. lenPerValMap := len(perValMap)
  1038. // 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
  1039. if lenPerValMap < 2 {
  1040. continue
  1041. }
  1042. // N年 当前值占全年比重 的值列表
  1043. divValList := make([]decimal.Decimal, 0)
  1044. for tmpDateTime, tmpVal := range perValMap {
  1045. yearLastVal, ok2 := yearLastValMap[tmpDateTime.Year()]
  1046. // 如果当年最后一天没有数据
  1047. if !ok2 {
  1048. continue
  1049. }
  1050. // 当前值占全年比重
  1051. tmpYearLastVal := decimal.NewFromFloat(yearLastVal)
  1052. if tmpYearLastVal.IsZero() { //如果是0,那么就退出当前循环,进入下一个循环
  1053. continue
  1054. }
  1055. divVal := decimal.NewFromFloat(tmpVal).Div(tmpYearLastVal)
  1056. divValList = append(divValList, divVal)
  1057. }
  1058. lenDivValList := len(divValList)
  1059. // 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
  1060. if lenDivValList < 2 {
  1061. continue
  1062. }
  1063. divValSum := decimal.NewFromFloat(0)
  1064. for _, divVal := range divValList {
  1065. divValSum = divValSum.Add(divVal)
  1066. }
  1067. // 当前计算出来的结果
  1068. tmpDivVal := divValSum.Div(decimal.NewFromInt(int64(lenDivValList)))
  1069. if tmpDivVal.IsZero() { //如果是0,那么就退出当前循环,进入下一个循环
  1070. continue
  1071. }
  1072. currVal, _ := decimal.NewFromFloat(v.Value).Div(tmpDivVal).Round(4).Float64()
  1073. dateDataMap[currDate] = currVal
  1074. }
  1075. return
  1076. }
  1077. // Ljz
  1078. // @Description: 累计值
  1079. // @author: Roc
  1080. // @receiver obj
  1081. // @datetime2023-11-03 13:49:17
  1082. // @return dateDataMap map[time.Time]float64
  1083. // @return err error
  1084. func (obj BaseCalculate) Ljz() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  1085. dateDataMap = make(map[time.Time]float64)
  1086. dataList := obj.DataList
  1087. frequency := obj.Frequency //需要变更的频度
  1088. fromFrequency := obj.FromFrequency //来源的频度
  1089. // 数据处理
  1090. 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
  1091. // 周度数据需要先变成日度的
  1092. if fromFrequency == `周度` {
  1093. isWeekData = true
  1094. }
  1095. fromEdbDataMap := make(map[time.Time]float64)
  1096. if isWeekData {
  1097. dataList, err = HandleDataByLinearRegressionByTime(dataList, fromEdbDataMap)
  1098. if err != nil {
  1099. return
  1100. }
  1101. }
  1102. //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。
  1103. //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。
  1104. //日度转季度、年度:方法类似转月度。
  1105. //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。
  1106. //月度转季度/年度: 当季/当年月度值相加。
  1107. dateList := make([]time.Time, 0)
  1108. valueMap := make(map[time.Time]float64)
  1109. switch frequency {
  1110. case "年度":
  1111. yearMap := make(map[int]float64)
  1112. yearList := make([]int, 0)
  1113. for _, item := range dataList {
  1114. year := item.DataTime.Year()
  1115. yearVal, ok := yearMap[year]
  1116. if ok {
  1117. yearMap[year] = item.Value + yearVal
  1118. } else {
  1119. yearList = append(yearList, year)
  1120. yearMap[year] = item.Value
  1121. }
  1122. }
  1123. for _, v := range yearList {
  1124. currTime := time.Date(v, 12, 31, 0, 0, 0, 0, time.Local)
  1125. dateList = append(dateList, currTime)
  1126. valueMap[currTime] = yearMap[v]
  1127. }
  1128. case "半年度":
  1129. yearMonthMap := make(map[string]float64)
  1130. yearMonthList := make([]string, 0)
  1131. for _, item := range dataList {
  1132. itemDate := item.DataTime
  1133. year := itemDate.Year()
  1134. var tmpK string
  1135. if itemDate.Month() <= 6 {
  1136. tmpK = fmt.Sprint(year, "06")
  1137. } else {
  1138. tmpK = fmt.Sprint(year, "12")
  1139. }
  1140. yearVal, ok := yearMonthMap[tmpK]
  1141. if ok {
  1142. yearMonthMap[tmpK] = item.Value + yearVal
  1143. } else {
  1144. yearMonthList = append(yearMonthList, tmpK)
  1145. yearMonthMap[tmpK] = item.Value
  1146. }
  1147. }
  1148. for _, v := range yearMonthList {
  1149. currTime, tmpErr := time.ParseInLocation(utils.FormatYearMonthUnSpace, v, time.Local)
  1150. if tmpErr != nil {
  1151. err = tmpErr
  1152. return
  1153. }
  1154. currTime = currTime.AddDate(0, 1, -1)
  1155. dateList = append(dateList, currTime)
  1156. valueMap[currTime] = yearMonthMap[v]
  1157. }
  1158. case "季度":
  1159. yearMonthMap := make(map[string]float64)
  1160. yearMonthList := make([]string, 0)
  1161. for _, item := range dataList {
  1162. itemDate := item.DataTime
  1163. year := itemDate.Year()
  1164. var tmpK string
  1165. if itemDate.Month() <= 3 {
  1166. tmpK = fmt.Sprint(year, "03")
  1167. } else if itemDate.Month() <= 6 {
  1168. tmpK = fmt.Sprint(year, "06")
  1169. } else if itemDate.Month() <= 9 {
  1170. tmpK = fmt.Sprint(year, "09")
  1171. } else {
  1172. tmpK = fmt.Sprint(year, "12")
  1173. }
  1174. yearVal, ok := yearMonthMap[tmpK]
  1175. if ok {
  1176. yearMonthMap[tmpK] = item.Value + yearVal
  1177. } else {
  1178. yearMonthList = append(yearMonthList, tmpK)
  1179. yearMonthMap[tmpK] = item.Value
  1180. }
  1181. }
  1182. for _, v := range yearMonthList {
  1183. currTime, tmpErr := time.ParseInLocation(utils.FormatYearMonthUnSpace, v, time.Local)
  1184. if tmpErr != nil {
  1185. err = tmpErr
  1186. return
  1187. }
  1188. currTime = currTime.AddDate(0, 1, -1)
  1189. dateList = append(dateList, currTime)
  1190. valueMap[currTime] = yearMonthMap[v]
  1191. }
  1192. case "月度":
  1193. yearMonthMap := make(map[string]float64)
  1194. yearMonthList := make([]string, 0)
  1195. for _, item := range dataList {
  1196. itemDate := item.DataTime
  1197. year := itemDate.Year()
  1198. var tmpK string
  1199. tmpK = fmt.Sprint(year*100 + int(itemDate.Month()))
  1200. yearVal, ok := yearMonthMap[tmpK]
  1201. if ok {
  1202. yearMonthMap[tmpK] = item.Value + yearVal
  1203. } else {
  1204. yearMonthList = append(yearMonthList, tmpK)
  1205. yearMonthMap[tmpK] = item.Value
  1206. }
  1207. }
  1208. for _, v := range yearMonthList {
  1209. currTime, tmpErr := time.ParseInLocation(utils.FormatYearMonthUnSpace, v, time.Local)
  1210. if tmpErr != nil {
  1211. err = tmpErr
  1212. return
  1213. }
  1214. currTime = currTime.AddDate(0, 1, -1)
  1215. dateList = append(dateList, currTime)
  1216. valueMap[currTime] = yearMonthMap[v]
  1217. }
  1218. case "旬度":
  1219. tmpDateDataMap := make(map[time.Time]float64)
  1220. tmpDateList := make([]time.Time, 0)
  1221. for _, item := range dataList {
  1222. itemDate := item.DataTime
  1223. dayInt := itemDate.Year()*100 + int(itemDate.Month())
  1224. var currTime time.Time
  1225. if itemDate.Month() <= 10 {
  1226. tmpK := fmt.Sprint(dayInt*100, "10")
  1227. currTime, err = time.ParseInLocation(utils.FormatDateUnSpace, tmpK, time.Local)
  1228. if err != nil {
  1229. return
  1230. }
  1231. } else if itemDate.Month() <= 20 {
  1232. tmpK := fmt.Sprint(dayInt*100, "20")
  1233. currTime, err = time.ParseInLocation(utils.FormatDateUnSpace, tmpK, time.Local)
  1234. if err != nil {
  1235. return
  1236. }
  1237. } else {
  1238. currTime, err = time.ParseInLocation(utils.FormatYearMonthUnSpace, fmt.Sprint(dayInt), time.Local)
  1239. if err != nil {
  1240. return
  1241. }
  1242. currTime = currTime.AddDate(0, 1, -1)
  1243. }
  1244. yearVal, ok := tmpDateDataMap[currTime]
  1245. if ok {
  1246. tmpDateDataMap[currTime] = item.Value + yearVal
  1247. } else {
  1248. tmpDateList = append(tmpDateList, currTime)
  1249. tmpDateDataMap[currTime] = item.Value
  1250. }
  1251. }
  1252. for _, currTime := range tmpDateList {
  1253. dateList = append(dateList, currTime)
  1254. valueMap[currTime] = tmpDateDataMap[currTime]
  1255. }
  1256. case "周度":
  1257. tmpDateDataMap := make(map[time.Time]float64)
  1258. tmpDateList := make([]time.Time, 0)
  1259. for _, item := range dataList {
  1260. itemDate := item.DataTime
  1261. var currTime time.Time
  1262. // 周六周日,这是下一个周五的数据
  1263. if itemDate.Weekday() == 0 {
  1264. currTime = itemDate.AddDate(0, 0, 5)
  1265. } else if itemDate.Weekday() == 6 {
  1266. currTime = itemDate.AddDate(0, 0, 6)
  1267. } else {
  1268. currTime = itemDate.AddDate(0, 0, 5-int(itemDate.Weekday()))
  1269. }
  1270. yearVal, ok := tmpDateDataMap[currTime]
  1271. if ok {
  1272. tmpDateDataMap[currTime] = item.Value + yearVal
  1273. } else {
  1274. tmpDateList = append(tmpDateList, currTime)
  1275. tmpDateDataMap[currTime] = item.Value
  1276. }
  1277. }
  1278. for _, currTime := range tmpDateList {
  1279. dateList = append(dateList, currTime)
  1280. valueMap[currTime] = tmpDateDataMap[currTime]
  1281. }
  1282. default:
  1283. err = errors.New("错误的频度")
  1284. return
  1285. }
  1286. // 数据计算
  1287. for _, currTime := range dateList {
  1288. tmpVal, ok2 := valueMap[currTime]
  1289. if !ok2 {
  1290. err = errors.New("数据异常,date:" + currTime.Format(utils.FormatDate))
  1291. return
  1292. }
  1293. var saveValue float64
  1294. if isWeekData { //周度指标转的话,最后结果要除以7
  1295. saveValue, _ = decimal.NewFromFloat(tmpVal).Div(decimal.NewFromInt(7)).Round(4).Float64()
  1296. } else {
  1297. saveValue, _ = decimal.NewFromFloat(tmpVal).Round(4).Float64()
  1298. }
  1299. dateDataMap[currTime] = saveValue
  1300. }
  1301. return
  1302. }
  1303. // LjzNczj
  1304. // @Description:年初至今累计值计算
  1305. // @author: Roc
  1306. // @receiver obj
  1307. // @datetime2023-11-03 13:55:44
  1308. // @return dateDataMap map[time.Time]float64
  1309. // @return err error
  1310. func (obj BaseCalculate) LjzNczj() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  1311. dateDataMap = make(map[time.Time]float64)
  1312. dataList := obj.DataList
  1313. frequency := obj.Frequency //需要变更的频度
  1314. fromFrequency := obj.FromFrequency //来源的频度
  1315. // 数据处理
  1316. 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
  1317. // 周度数据需要先变成日度的
  1318. if fromFrequency == `周度` {
  1319. isWeekData = true
  1320. }
  1321. fromEdbDataMap := make(map[time.Time]float64)
  1322. if isWeekData {
  1323. dataList, err = HandleDataByLinearRegressionByTime(dataList, fromEdbDataMap)
  1324. if err != nil {
  1325. return
  1326. }
  1327. }
  1328. //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。
  1329. //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
  1330. //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
  1331. //以此类推
  1332. dateList := make([]time.Time, 0)
  1333. valueMap := make(map[time.Time]float64)
  1334. yearMap := make(map[int]float64)
  1335. switch frequency {
  1336. case "周度":
  1337. tmpDateDataMap := make(map[time.Time]float64)
  1338. tmpDateList := make([]time.Time, 0)
  1339. for _, item := range dataList {
  1340. itemDate := item.DataTime
  1341. var currTime time.Time
  1342. // 周六周日,这是下一个周五的数据
  1343. if itemDate.Weekday() == 0 {
  1344. currTime = itemDate.AddDate(0, 0, 5)
  1345. } else if itemDate.Weekday() == 6 {
  1346. currTime = itemDate.AddDate(0, 0, 6)
  1347. } else {
  1348. currTime = itemDate.AddDate(0, 0, 5-int(itemDate.Weekday()))
  1349. }
  1350. year := itemDate.Year()
  1351. yearVal, ok := yearMap[year]
  1352. if ok {
  1353. yearMap[year] = item.Value + yearVal
  1354. } else {
  1355. yearMap[year] = item.Value
  1356. }
  1357. if itemDate.Equal(currTime) {
  1358. tmpDateDataMap[itemDate] = yearMap[year]
  1359. tmpDateList = append(tmpDateList, itemDate)
  1360. }
  1361. }
  1362. for _, currTime := range tmpDateList {
  1363. dateList = append(dateList, currTime)
  1364. valueMap[currTime] = tmpDateDataMap[currTime]
  1365. }
  1366. default:
  1367. for _, item := range dataList {
  1368. itemDate := item.DataTime
  1369. year := itemDate.Year()
  1370. yearVal, ok := yearMap[year]
  1371. if ok {
  1372. yearMap[year] = item.Value + yearVal
  1373. } else {
  1374. yearMap[year] = item.Value
  1375. }
  1376. valueMap[itemDate] = yearMap[year]
  1377. dateList = append(dateList, itemDate)
  1378. }
  1379. }
  1380. // 数据计算
  1381. for _, currTime := range dateList {
  1382. tmpVal, ok2 := valueMap[currTime]
  1383. if !ok2 {
  1384. err = errors.New("数据异常,date:" + currTime.Format(utils.FormatDate))
  1385. return
  1386. }
  1387. var saveValue float64
  1388. if isWeekData { //周度指标转的话,最后结果要除以7
  1389. saveValue, _ = decimal.NewFromFloat(tmpVal).Div(decimal.NewFromInt(7)).Round(4).Float64()
  1390. } else {
  1391. saveValue, _ = decimal.NewFromFloat(tmpVal).Round(4).Float64()
  1392. }
  1393. dateDataMap[currTime] = saveValue
  1394. }
  1395. return
  1396. }
  1397. // ExponentialSmoothing
  1398. // @Description: 指数修匀计算
  1399. // @author: Roc
  1400. // @receiver obj
  1401. // @datetime2023-11-03 14:07:47
  1402. // @return dateDataMap map[time.Time]float64
  1403. // @return err error
  1404. func (obj BaseCalculate) ExponentialSmoothing() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  1405. dateDataMap = make(map[time.Time]float64)
  1406. dataList := obj.DataList
  1407. formula := obj.Formula.(string) // alpha值
  1408. alpha, _ := strconv.ParseFloat(formula, 64)
  1409. if alpha <= 0 || alpha >= 1 {
  1410. err = fmt.Errorf("alpha值有误: %v", alpha)
  1411. return
  1412. }
  1413. // 获取标准差图表的指标数据
  1414. fromDataList, err := calculateExponentialSmoothingData(dataList, alpha)
  1415. if err != nil {
  1416. return
  1417. }
  1418. // 数据计算
  1419. for _, tmpData := range fromDataList {
  1420. if tmpData.DataTime.IsZero() {
  1421. continue
  1422. }
  1423. // 当前的实际值
  1424. saveValue, _ := decimal.NewFromFloat(tmpData.Value).Round(4).Float64()
  1425. dateDataMap[tmpData.DataTime] = saveValue
  1426. }
  1427. return
  1428. }
  1429. // calculateExponentialSmoothingData
  1430. // @Description: 计算指数修匀
  1431. // @author: Roc
  1432. // @datetime2023-11-03 14:05:41
  1433. // @param dataList []*EdbInfoData 时间基准指标在时间区间内的值
  1434. // @param strAlpha float64
  1435. // @return newDataList []EdbInfoData
  1436. // @return err error
  1437. func calculateExponentialSmoothingData(dataList []*EdbInfoData, alpha float64) (newDataList []EdbInfoData, err error) {
  1438. if alpha <= 0 || alpha >= 1 {
  1439. err = fmt.Errorf("alpha值有误: %v", alpha)
  1440. return
  1441. }
  1442. var preVal float64
  1443. alphaDecimal := decimal.NewFromFloat(alpha)
  1444. subAlpha := decimal.NewFromFloat(1).Sub(alphaDecimal)
  1445. for k, d := range dataList {
  1446. // 首期的值以原始值作为指数修匀的计算值
  1447. if k == 0 {
  1448. newDataList = append(newDataList, EdbInfoData{
  1449. EdbDataId: k,
  1450. DataTime: dataList[k].DataTime,
  1451. Value: d.Value,
  1452. })
  1453. preVal = d.Value
  1454. continue
  1455. }
  1456. // 上一期的值参与计算
  1457. preDecimal := decimal.NewFromFloat(preVal)
  1458. valDecimal := decimal.NewFromFloat(d.Value)
  1459. partA := alphaDecimal.Mul(valDecimal)
  1460. partB := subAlpha.Mul(preDecimal)
  1461. res, _ := (partA.Add(partB)).Float64()
  1462. preVal = res
  1463. newDataList = append(newDataList, EdbInfoData{
  1464. EdbDataId: k,
  1465. DataTime: dataList[k].DataTime,
  1466. Value: res,
  1467. })
  1468. }
  1469. return
  1470. }
  1471. // Rjz
  1472. // @Description: 日均值计算
  1473. // @author: Roc
  1474. // @receiver obj
  1475. // @datetime2023-11-03 14:47:47
  1476. // @return dateDataMap map[time.Time]float64
  1477. // @return err error
  1478. func (obj BaseCalculate) Rjz() (dateDataMap map[time.Time]float64, err error, errMsg string) {
  1479. dateDataMap = make(map[time.Time]float64)
  1480. dataList := obj.DataList
  1481. fromFrequency := obj.FromFrequency
  1482. if fromFrequency == `` {
  1483. err = errors.New("错误的频度:" + fromFrequency)
  1484. return
  1485. }
  1486. // 数据处理
  1487. // 数据降序
  1488. dataList = reverseSliceByDesc(dataList)
  1489. var dateArr []time.Time
  1490. dataMap := make(map[time.Time]*EdbInfoData)
  1491. for _, v := range dataList {
  1492. dateArr = append(dateArr, v.DataTime)
  1493. dataMap[v.DataTime] = v
  1494. }
  1495. // 数据计算
  1496. for _, currentDate := range dateArr {
  1497. //当前日期
  1498. currentItem, ok := dataMap[currentDate]
  1499. if !ok {
  1500. continue
  1501. }
  1502. //根据频度计算需要均分的天数
  1503. days := GetRjzFrequencyDays(currentDate, fromFrequency)
  1504. val, ok := rjzDivV2(currentItem.Value, days)
  1505. if !ok {
  1506. continue
  1507. }
  1508. dateDataMap[currentDate] = val
  1509. }
  1510. return
  1511. }
  1512. // rjzDivV2
  1513. // @Description: 日均值计算
  1514. // @author: Roc
  1515. // @datetime2023-11-03 14:47:36
  1516. // @param a float64
  1517. // @param b int
  1518. // @return val float64
  1519. // @return ok bool
  1520. func rjzDivV2(a float64, b int) (val float64, ok bool) {
  1521. if b == 0 {
  1522. return
  1523. }
  1524. af := decimal.NewFromFloat(a)
  1525. bf := decimal.NewFromFloat(float64(b))
  1526. val, _ = af.Div(bf).Round(4).Float64()
  1527. ok = true
  1528. return
  1529. }
  1530. // reverseSliceByDesc
  1531. // @Description: 倒转切片
  1532. // @author: Roc
  1533. // @datetime2023-11-06 14:08:25
  1534. // @param slice []*EdbInfoData
  1535. // @return []*EdbInfoData
  1536. func reverseSliceByDesc(slice []*EdbInfoData) (newSlice []*EdbInfoData) {
  1537. // 只有一个数据的话,那么就直接返回
  1538. if len(slice) <= 1 {
  1539. newSlice = slice
  1540. return
  1541. }
  1542. if !slice[1].DataTime.After(slice[0].DataTime) {
  1543. newSlice = slice
  1544. return
  1545. }
  1546. newSlice = make([]*EdbInfoData, len(slice))
  1547. for i, j := 0, len(slice)-1; i < len(slice); i, j = i+1, j-1 {
  1548. newSlice[i] = slice[j]
  1549. }
  1550. return
  1551. }
  1552. // EdbInfoSearchDataToData
  1553. // @Description: 将EdbInfoSearchData转成EdbInfoData
  1554. // @author: Roc
  1555. // @datetime2023-11-09 11:11:31
  1556. // @param dataList []*EdbInfoSearchData
  1557. // @return newDateDataList []*EdbInfoData
  1558. // @return err error
  1559. func EdbInfoSearchDataToData(dataList []*EdbInfoSearchData) (newDateDataList []*EdbInfoData, err error) {
  1560. newDateDataList = make([]*EdbInfoData, 0)
  1561. for _, data := range dataList {
  1562. dateTime, tmpErr := time.ParseInLocation(utils.FormatDate, data.DataTime, time.Local)
  1563. if tmpErr != nil {
  1564. err = tmpErr
  1565. return
  1566. }
  1567. newDateDataList = append(newDateDataList, &EdbInfoData{
  1568. EdbDataId: data.EdbDataId,
  1569. DataTime: dateTime,
  1570. Value: data.Value,
  1571. })
  1572. }
  1573. return
  1574. }
  1575. // GetDateDataAndDateList
  1576. // @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
  1577. // @author: Roc
  1578. // @datetime2023-11-09 13:10:38
  1579. // @param dateDataMap map[time.Time]float64
  1580. // @return dateStrDataMap map[string]float64
  1581. // @return dateStrList []string
  1582. func GetDateDataAndDateList(dateDataMap map[time.Time]float64) (dateStrDataMap map[string]float64, dateStrList []string) {
  1583. dateStrDataMap = make(map[string]float64)
  1584. dateStrList = make([]string, 0)
  1585. dateList := make([]time.Time, 0)
  1586. for date, val := range dateDataMap {
  1587. dateStr := date.Format(utils.FormatDate)
  1588. dateStrDataMap[dateStr] = val
  1589. dateList = append(dateList, date)
  1590. }
  1591. // 使用 sort.Slice 对日期切片进行排序
  1592. sort.Slice(dateList, func(i, j int) bool {
  1593. return dateList[i].Before(dateList[j])
  1594. })
  1595. // 将日期排序后返回日期字符串切片
  1596. for _, v := range dateList {
  1597. dateStrList = append(dateStrList, v.Format(utils.FormatDate))
  1598. }
  1599. return
  1600. }