add sankey

This commit is contained in:
BaoXuebin 2024-10-01 14:43:07 +08:00
parent 02d644fe96
commit 7ed00b78e3
7 changed files with 195 additions and 27 deletions

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@ -579,6 +579,11 @@ func GetAccountPrefix(account string) string {
return nodes[0]
}
func GetAccountName(account string) string {
nodes := strings.Split(account, ":")
return nodes[len(nodes)-1]
}
func GetAccountIconName(account string) string {
nodes := strings.Split(account, ":")
return strings.Join(nodes, "_")

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@ -84,30 +84,3 @@ func getMaxDate(str_date1 string, str_date2 string) string {
}
return max_date
}
// 获取1-2个日期字符串中最小的日期值
// 如果双参数均为空,则返回账簿开始记账日期
//func getMinDate(str_date1 string, str_date2 string) string {
// //time_layout := "2006-01-02 15:04:05"
// var min_date string
// if str_date1 != "" && str_date2 == "" {
// // 只定义了第一个账户,取第一个账户的日期为准
// min_date = str_date1
// } else if str_date1 == "" && str_date2 != "" {
// // 只定义了第二个账户,取第二个账户的日期为准
// min_date = str_date2
// } else if str_date1 != "" && str_date2 != "" {
// // 重复定义的账户,取最早的时间
// t1 := getTimeStamp(str_date1)
// t2 := getTimeStamp(str_date2)
// if t1 < t2 {
// min_date = str_date1
// } else {
// min_date = str_date2
// }
// } else if str_date1 == "" && str_date2 == "" {
// // 没有定义账户,取固定日期"1970-01-01"
// min_date = "1970-01-01"
// }
// return min_date
//}

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@ -75,6 +75,7 @@ func RegisterRouter(router *gin.Engine) {
authorized.GET("/stats/account/percent", service.StatsAccountPercent)
authorized.GET("/stats/account/trend", service.StatsAccountTrend)
authorized.GET("/stats/account/balance", service.StatsAccountBalance)
authorized.GET("/stats/account/flow", service.StatsAccountSankey)
authorized.GET("/stats/month/total", service.StatsMonthTotal)
authorized.GET("/stats/month/calendar", service.StatsMonthCalendar)
authorized.GET("/stats/commodity/price", service.StatsCommodityPrice)

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@ -3,7 +3,9 @@ package service
import (
"encoding/json"
"fmt"
"math"
"sort"
"strconv"
"strings"
"time"
@ -241,6 +243,178 @@ func StatsAccountBalance(c *gin.Context) {
OK(c, resultList)
}
type AccountSankeyResult struct {
Nodes []AccountSankeyNode `json:"nodes"`
Links []AccountSankeyLink `json:"links"`
}
type AccountSankeyNode struct {
Name string `json:"name"`
}
type AccountSankeyLink struct {
Source int `json:"source"`
Target int `json:"target"`
Value string `json:"value"`
}
func NewAccountSankeyLink() *AccountSankeyLink {
return &AccountSankeyLink{
Source: -1,
Target: -1,
Value: "",
}
}
func StatsAccountSankey(c *gin.Context) {
ledgerConfig := script.GetLedgerConfigFromContext(c)
queryParams := script.GetQueryParams(c)
// 倒序查询
queryParams.OrderBy = "date desc"
transactions := make([]Transaction, 0)
err := script.BQLQueryList(ledgerConfig, &queryParams, &transactions)
if err != nil {
InternalError(c, err.Error())
return
}
accountSankeyResult := AccountSankeyResult{}
// 构建 nodes 和 links
var nodes []AccountSankeyNode
// 遍历 transactions 中按id进行分组
if len(transactions) > 0 {
for _, transaction := range transactions {
// 如果nodes中不存在该节点则添加
accountName := script.GetAccountName(transaction.Account)
if !contains(nodes, accountName) {
nodes = append(nodes, AccountSankeyNode{Name: accountName})
}
}
accountSankeyResult.Nodes = nodes
transactionsMap := groupTransactionsByID(transactions)
// 声明 links
links := make([]AccountSankeyLink, 0)
// 遍历 transactionsMap
for _, transactions := range transactionsMap {
// 拼接成 links
sourceTransaction := Transaction{}
targetTransaction := Transaction{}
currentLinkNode := NewAccountSankeyLink()
// transactions 的最大长度
maxCycle := len(transactions) * 2
for {
if len(transactions) == 0 || maxCycle == 0 {
break
}
transaction := transactions[0]
transactions = transactions[1:]
accountName := script.GetAccountName(transaction.Account)
num, err := strconv.ParseFloat(transaction.Number, 64)
if err != nil {
continue
}
if currentLinkNode.Source == -1 && num < 0 {
if sourceTransaction.Account == "" {
sourceTransaction = transaction
}
currentLinkNode.Source = indexOf(nodes, accountName)
if currentLinkNode.Target == -1 {
currentLinkNode.Value = strconv.FormatFloat(num, 'f', 2, 64)
} else {
// 比较 link node value 和 num 大小
value, _ := strconv.ParseFloat(currentLinkNode.Value, 64)
delta := value + num
if delta == 0 {
currentLinkNode.Value = strconv.FormatFloat(math.Abs(num), 'f', 2, 64)
} else if delta < 0 { // source > target
targetNumber, _ := strconv.ParseFloat(targetTransaction.Number, 64)
currentLinkNode.Value = strconv.FormatFloat(math.Abs(targetNumber), 'f', 2, 64)
sourceTransaction.Number = strconv.FormatFloat(delta, 'f', 2, 64)
transactions = append(transactions, sourceTransaction)
} else { // source < target
targetTransaction.Number = strconv.FormatFloat(delta, 'f', 2, 64)
transactions = append(transactions, targetTransaction)
}
// 完成一个 linkNode 的构建,重置判定条件
sourceTransaction.Account = ""
targetTransaction.Account = ""
links = append(links, *currentLinkNode)
currentLinkNode = NewAccountSankeyLink()
}
} else if currentLinkNode.Target == -1 && num > 0 {
if targetTransaction.Account == "" {
targetTransaction = transaction
}
currentLinkNode.Target = indexOf(nodes, accountName)
if currentLinkNode.Source == -1 {
currentLinkNode.Value = strconv.FormatFloat(num, 'f', 2, 64)
} else {
value, _ := strconv.ParseFloat(currentLinkNode.Value, 64)
delta := value + num
if delta == 0 {
currentLinkNode.Value = strconv.FormatFloat(math.Abs(num), 'f', 2, 64)
} else if delta < 0 { // source > target
currentLinkNode.Value = strconv.FormatFloat(math.Abs(num), 'f', 2, 64)
sourceTransaction.Number = strconv.FormatFloat(delta, 'f', 2, 64)
transactions = append(transactions, sourceTransaction)
} else { // source < target
sourceNumber, _ := strconv.ParseFloat(sourceTransaction.Number, 64)
currentLinkNode.Value = strconv.FormatFloat(math.Abs(sourceNumber), 'f', 2, 64)
targetTransaction.Number = strconv.FormatFloat(delta, 'f', 2, 64)
transactions = append(transactions, targetTransaction)
}
// 完成一个 linkNode 的构建,重置判定条件
sourceTransaction.Account = ""
targetTransaction.Account = ""
links = append(links, *currentLinkNode)
currentLinkNode = NewAccountSankeyLink()
}
} else {
// 将当前的 transaction 加入到队列末尾
transactions = append(transactions, transaction)
}
maxCycle -= 1
}
}
accountSankeyResult.Links = links
}
OK(c, accountSankeyResult)
}
func contains(nodes []AccountSankeyNode, str string) bool {
for _, s := range nodes {
if s.Name == str {
return true
}
}
return false
}
func indexOf(nodes []AccountSankeyNode, str string) int {
idx := 0
for _, s := range nodes {
if s.Name == str {
return idx
}
idx += 1
}
return -1
}
func groupTransactionsByID(transactions []Transaction) map[string][]Transaction {
grouped := make(map[string][]Transaction)
for _, transaction := range transactions {
grouped[transaction.Id] = append(grouped[transaction.Id], transaction)
}
return grouped
}
type MonthTotalBQLResult struct {
Year int
Month int

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@ -7,6 +7,7 @@ import (
"errors"
"fmt"
"io"
"strconv"
"strings"
"time"
@ -34,6 +35,20 @@ type Transaction struct {
IsAnotherCurrency bool `json:"isAnotherCurrency,omitempty"`
}
type TransactionSort []Transaction
func (s TransactionSort) Len() int {
return len(s)
}
func (s TransactionSort) Swap(i, j int) {
s[i], s[j] = s[j], s[i]
}
func (s TransactionSort) Less(i, j int) bool {
a, _ := strconv.Atoi(s[i].Number)
b, _ := strconv.Atoi(s[j].Number)
return a <= b
}
func QueryTransactions(c *gin.Context) {
ledgerConfig := script.GetLedgerConfigFromContext(c)
queryParams := script.GetQueryParams(c)