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my-ledger.go
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my-ledger.go
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package main
import (
"fmt"
"log"
"os"
"sort"
"github.com/urfave/cli/v2"
"golang.org/x/exp/slices"
)
func flags() {
app.Flags = []cli.Flag{
&cli.StringFlag{
Name: "sort",
Aliases: []string{"s", "S"},
Value: "date",
Usage: "Sort report using `VEXPR` which is either of ['date'/'d', 'payee'/'p', 'amount'/'a']",
Destination: &sortOption,
Action: func(ctx *cli.Context, s string) error {
options := []string{"date", "d", "payee", "p", "amount", "a"}
if !slices.Contains(options, s) {
log.Fatalf("Flag sort value '%v' is not 'date', 'payee' or 'amount'", s)
}
return nil
},
},
&cli.StringFlag{
Name: "file",
Aliases: []string{"f"},
Usage: "Read ledger file using `FILE`",
Value: "index.ledger",
Destination: &file,
},
&cli.StringFlag{
Name: "price-db",
Usage: "Use `FILE` for retrieving stored commodity prices.",
Destination: &priceDBFile,
Action: func(ctx *cli.Context, s string) error {
_, err := os.Open(priceDBFile)
if err != nil {
log.Fatal(err)
}
readPrices(priceDBFile)
return nil
},
},
}
}
func commands() {
app.Commands = []*cli.Command{
{
Name: "balance",
Aliases: []string{"bal"},
Usage: "Current balance of all accounts, aggregating totals for parent accounts and different commodities",
Action: func (c *cli.Context) error {
fmt.Println("Balance report")
fileReader(file)
parseData()
sortTransactions()
balanceCommand(c.Args())
return nil
},
},
{
Name: "register",
Usage: "Lists all postings that match the report-query with running total",
Aliases: []string{ "reg"},
Action: func (c *cli.Context) error {
fmt.Println("Register report")
fileReader(file)
parseData()
sortTransactions()
registerCommand(c.Args())
return nil
},
},
{
Name: "print",
Usage: "Prints out all transactions using a format readable by ledger",
Action: func (c *cli.Context) error {
fmt.Println("Print report")
fileReader(file)
parseData()
sortTransactions()
printCommand()
return nil
},
},
}
}
func info() {
app.Name = "ledgerCLI"
app.Usage = "Works for ledger's commands: balance, register, print"
app.Authors = []*cli.Author{{Name:"David Cardenas", Email: "davidcardd1"}}
cli.AppHelpTemplate = `NAME:
{{.Name}} - {{.Usage}}
USAGE:
{{.HelpName}} {{if .VisibleFlags}}[global options]{{end}}{{if .Commands}} command {{end}} {{if .ArgsUsage}}{{.ArgsUsage}}{{else}}[arguments...]{{end}}
{{if len .Authors}}
AUTHOR:
{{range .Authors}}{{ . }}{{end}}
{{end}}{{if .Commands}}
COMMANDS:
{{range .Commands}}{{if not .HideHelp}} {{join .Names ", "}}{{ "\t"}}{{.Usage}}{{ "\n" }}{{end}}{{end}}{{end}}{{if .VisibleFlags}}
GLOBAL OPTIONS:
{{range .VisibleFlags}}{{.}}
{{end}}{{end}}{{if .Copyright }}
COPYRIGHT:
{{.Copyright}}
{{end}}{{if .Version}}
VERSION:
{{.Version}}
{{end}}
`
}
func main() {
info()
commands()
flags()
sort.Sort(cli.FlagsByName(app.Flags))
sort.Sort(cli.CommandsByName(app.Commands))
err := app.Run(os.Args)
if err != nil {
log.Fatal(err)
}
}