370 lines
9.6 KiB
Go
370 lines
9.6 KiB
Go
package main
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import (
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"encoding/json"
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"flag"
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"fmt"
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"io"
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"log"
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"maps"
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"net/http"
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"os"
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"slices"
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"sort"
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"strconv"
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"strings"
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"time"
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"github.com/go-echarts/go-echarts/v2/charts"
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"github.com/go-echarts/go-echarts/v2/opts"
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"gogs.inhome.blapointe.com/ana-ledger/ana"
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"gogs.inhome.blapointe.com/ana-ledger/ledger"
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)
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func main() {
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foo := flag.String("foo", "bal", "bal or reg")
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likeName := flag.String("like-name", ".", "regexp to match")
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likeBefore := flag.String("like-before", "9", "date str to compare")
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likeAfter := flag.String("like-after", "0", "date str to compare")
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likeLedger := flag.Bool("like-ledger", false, "limit data to these -like-* rather than zoom to these -like-*")
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groupName := flag.String("group-name", ".*", "grouping to apply to names")
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groupDate := flag.String("group-date", ".*", "grouping to apply to dates")
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bpiPath := flag.String("bpi", "/dev/null", "bpi file")
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jsonOutput := flag.Bool("json", false, "json output")
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httpOutput := flag.String("http", "", "http output listen address, like :8080")
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flag.Parse()
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if flag.NArg() < 1 {
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panic(fmt.Errorf("positional arguments for files required"))
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}
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f, err := ledger.NewFiles(flag.Args()[0], flag.Args()[1:]...)
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if err != nil {
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panic(err)
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}
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deltas, err := f.Deltas()
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if err != nil {
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panic(err)
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}
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deltas = deltas.Group(ledger.GroupName(*groupName), ledger.GroupDate(*groupDate))
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bpis := make(ledger.BPIs)
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if *bpiPath != "" {
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bpis, err = ledger.NewBPIs(*bpiPath)
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if err != nil {
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panic(err)
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}
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}
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like := ledger.Likes{ledger.LikeName(*likeName)}
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if *httpOutput != "" {
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like = append(like, ledger.LikeBefore(*likeBefore))
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like = append(like, ledger.LikeAfter(*likeAfter))
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foo := func(w http.ResponseWriter, r *http.Request) {
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foolike := make(ledger.Likes, 0)
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for _, v := range r.URL.Query()["likeName"] {
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foolike = append(foolike, ledger.LikeName(v))
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}
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for _, v := range r.URL.Query()["likeAfter"] {
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foolike = append(foolike, ledger.LikeAfter(v))
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}
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for _, v := range r.URL.Query()["likeBefore"] {
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foolike = append(foolike, ledger.LikeBefore(v))
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}
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if len(foolike) == 0 {
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foolike = like
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}
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register := deltas.Like(foolike...).Register()
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bpis := maps.Clone(bpis)
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// MODIFIERS
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if predictionMonths, err := strconv.ParseInt(r.URL.Query().Get("predictionMonths"), 10, 16); err == nil && predictionMonths > 0 {
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for _, whatIf := range r.URL.Query()["predictWhatIf"] { // ?whatIf=2023-01=AssetAccount:Cash=$=-1.00
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date := strings.Split(whatIf, "=")[0]
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name := strings.Split(whatIf, "=")[1]
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currency := ledger.Currency(strings.Split(whatIf, "=")[2])
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delta, err := strconv.ParseFloat(strings.Split(whatIf, "=")[3], 64)
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if err != nil {
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panic(err)
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}
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mostRecentDateBefore := ""
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for _, d := range register.Dates() {
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if _, ok := register[d][name]; !ok {
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continue
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} else if d > date {
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continue
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}
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mostRecentDateBefore = d
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}
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balanceWouldBe := maps.Clone(register[mostRecentDateBefore][name])
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balanceWouldBe[currency] += delta
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register[date][name] = balanceWouldBe
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}
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predictionDuration := time.Hour * 24 * 365 / 12 * time.Duration(predictionMonths)
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if r.URL.Query().Get("predictContributions") != "" {
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register, err = ana.RegisterWithContributionPrediction(register, predictionDuration)
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if err != nil {
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panic(err)
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}
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}
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for _, nameRate := range r.URL.Query()["predictCompoundingInterest"] {
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name := strings.Split(nameRate, "=")[0]
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rate, err := strconv.ParseFloat(strings.Split(nameRate, "=")[1], 64)
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if err != nil {
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panic(err)
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}
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register, err = ana.RegisterWithCompoundingInterestPrediction(register, predictionDuration, name, rate)
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if err != nil {
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panic(err)
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}
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}
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for _, currencyRate := range r.URL.Query()["predictFixedGrowth"] {
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currency := strings.Split(currencyRate, "=")[0]
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rate, err := strconv.ParseFloat(strings.Split(currencyRate, "=")[1], 64)
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if err != nil {
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panic(err)
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}
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bpis, err = ana.BPIsWithFixedGrowthPrediction(bpis, predictionDuration, currency, rate)
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if err != nil {
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panic(err)
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}
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}
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}
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if r.URL.Query().Get("bpi") != "" {
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register = register.WithBPIs(bpis)
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}
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if zoomStart, err := time.ParseInLocation("2006-01", r.URL.Query().Get("zoomStart"), time.Local); err == nil {
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result := make(ledger.Register)
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for d := range register {
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if d >= zoomStart.Format("2006-01") {
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result[d] = register[d]
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}
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}
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register = result
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}
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// /MODIFIERS
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nameCurrencyDateValue := map[string]map[ledger.Currency]map[string]float64{}
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for date, balances := range register {
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for name, balance := range balances {
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for currency, value := range balance {
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if _, ok := nameCurrencyDateValue[name]; !ok {
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nameCurrencyDateValue[name] = make(map[ledger.Currency]map[string]float64)
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}
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if _, ok := nameCurrencyDateValue[name][currency]; !ok {
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nameCurrencyDateValue[name][currency] = make(map[string]float64)
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}
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nameCurrencyDateValue[name][currency][date] += value
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}
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}
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}
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chart := NewChart("line")
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if v := r.URL.Query().Get("chart"); v != "" {
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chart = NewChart(v)
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}
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dates := register.Dates()
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names := register.Names()
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chart.AddX(dates)
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switch r.URL.Path {
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default:
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http.NotFound(w, r)
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return
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case "/bal":
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for _, name := range names {
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currencyDateValue := nameCurrencyDateValue[name]
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for currency, dateValue := range currencyDateValue {
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series := make([]int, len(dates))
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for i := range dates {
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var lastValue float64
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for j := range dates[:i+1] {
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if newLastValue, ok := dateValue[dates[j]]; ok {
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lastValue = newLastValue
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}
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}
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series[i] = int(lastValue)
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}
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key := fmt.Sprintf("%s (%s)", name, currency)
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if slices.Min(series) != 0 || slices.Max(series) != 0 {
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chart.AddY(key, series)
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}
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}
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}
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case "/reg":
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for _, name := range names {
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currencyDateValue := nameCurrencyDateValue[name]
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for currency, dateValue := range currencyDateValue {
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series := make([]int, len(dates))
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for i := range dates {
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var prevValue float64
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var lastValue float64
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for j := range dates[:i+1] {
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if newLastValue, ok := dateValue[dates[j]]; ok {
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prevValue = lastValue
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lastValue = newLastValue
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}
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}
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series[i] = int(lastValue - prevValue)
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}
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key := fmt.Sprintf("%s (%s)", name, currency)
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if slices.Min(series) != 0 || slices.Max(series) != 0 {
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chart.AddY(key, series)
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}
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}
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}
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}
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if err := chart.Render(w); err != nil {
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panic(err)
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}
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}
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log.Println("listening on", *httpOutput)
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if err := http.ListenAndServe(*httpOutput, http.HandlerFunc(foo)); err != nil {
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panic(err)
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}
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} else {
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if *likeLedger {
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like = append(like, ledger.LikeBefore(*likeBefore))
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like = append(like, ledger.LikeAfter(*likeAfter))
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deltas = deltas.Like(like...)
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} else {
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deltas = deltas.Like(like...)
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like = append(like, ledger.LikeBefore(*likeBefore))
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like = append(like, ledger.LikeAfter(*likeAfter))
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}
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jsonResult := []any{}
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switch *foo {
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case "reg":
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sort.Slice(deltas, func(i, j int) bool {
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return deltas[i].Debug() < deltas[j].Debug()
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})
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register := deltas.Register()
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for i := range deltas {
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if like.All(deltas[i]) {
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if !*jsonOutput {
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fmt.Printf("%s (%+v)\n", deltas[i].Debug(), register[deltas[i].Date][deltas[i].Name].Debug())
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} else {
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jsonResult = append(jsonResult, map[string]any{
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"name": deltas[i].Name,
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"delta": deltas[i],
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"balance": register[deltas[i].Date][deltas[i].Name],
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})
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}
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}
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}
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case "bal":
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deltas = deltas.Like(like...)
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for k, v := range deltas.Balances() {
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results := []string{}
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for subk, subv := range v {
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results = append(results, fmt.Sprintf("%s %.2f", subk, subv))
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}
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if len(results) > 0 {
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if !*jsonOutput {
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fmt.Printf("%s\t%s\n", k, strings.Join(results, " + "))
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} else {
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jsonResult = append(jsonResult, map[string]any{
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"name": k,
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"balance": v,
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})
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}
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}
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}
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default:
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panic(fmt.Errorf("not impl %q", *foo))
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}
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if *jsonOutput {
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json.NewEncoder(os.Stdout).Encode(jsonResult)
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}
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}
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}
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type Chart interface {
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AddX(interface{})
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AddY(string, []int)
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Render(io.Writer) error
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}
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func NewChart(name string) Chart {
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switch name {
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case "line":
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return NewLine()
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case "bar":
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return NewBar()
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case "stack":
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return NewStack()
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default:
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panic("bad chart name " + name)
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}
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}
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type Line struct {
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*charts.Line
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}
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func NewLine() Line {
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return Line{Line: charts.NewLine()}
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}
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func (line Line) AddX(v interface{}) {
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line.SetXAxis(v)
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}
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func (line Line) AddY(name string, v []int) {
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y := make([]opts.LineData, len(v))
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for i := range y {
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y[i].Value = v[i]
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}
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line.AddSeries(name, y)
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}
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type Bar struct {
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*charts.Bar
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}
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func NewBar() Bar {
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return Bar{Bar: charts.NewBar()}
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}
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func (bar Bar) AddX(v interface{}) {
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bar.SetXAxis(v)
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}
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func (bar Bar) AddY(name string, v []int) {
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y := make([]opts.BarData, len(v))
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for i := range v {
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y[i].Value = v[i]
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}
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bar.AddSeries(name, y)
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}
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type Stack struct {
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Bar
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}
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func NewStack() Stack {
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bar := NewBar()
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bar.SetSeriesOptions(charts.WithBarChartOpts(opts.BarChart{Stack: "x"}))
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return Stack{Bar: bar}
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}
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func (stack Stack) AddY(name string, v []int) {
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y := make([]opts.BarData, len(v))
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for i := range v {
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y[i].Value = v[i]
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}
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stack.AddSeries(name, y).
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SetSeriesOptions(charts.WithBarChartOpts(opts.BarChart{
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Stack: "stackA",
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}))
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}
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