86 lines
2.3 KiB
Go
86 lines
2.3 KiB
Go
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package parser
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import (
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"errors"
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"regexp"
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"strings"
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"time"
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)
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const (
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FlopRegex = `(?m)\((?P<type>\w{3}).*(.|\n|\r).*\)`
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DestinationRegex = `(?P<dest>\w+)(?P<time>\d{0,4})?`
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DOFRegex = `(?m)DOF\/(?P<time>\d{6})`
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TypeArrival = "ARR"
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TypeDeparture = "DEP"
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TypeFlightPlan = "FPL"
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TypeDelay = "DLA"
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)
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var flopRegex = regexp.MustCompile(FlopRegex)
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func parseArrOrDep(telegram *Telegram, data string) {
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/**
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* example:
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* (ARR-CSN3126/A5040-ZSPD-ZBTJ1601)
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* (DEP-CSN3125/A4553-ZGHA0554-ZBTJ-DOF/120820)
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*/
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values := getSplitValues(data)
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l := len(values)
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if l < 4 {
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telegram.ParseErrors = append(telegram.ParseErrors, errors.New("arrival data less than 4 "))
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return
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}
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telegram.FlightNumber, telegram.RegisterNumber = parseFlight(values[1])
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telegram.Departure, telegram.DepartureTime = getAirportAndTime(values[2])
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telegram.Destination, telegram.DestinationTime = getAirportAndTime(values[3])
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if l == 5 {
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parseDof(telegram, values[4])
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}
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telegram.Parsed = true
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}
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func parseFlightPlan(telegram *Telegram, data string) {
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/**
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* example:
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* (FPL-AAR997-IS
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* -B763/H-SDHIPRWZ/S
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* -RKSI0120
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* -N0473F320 NOPIK1B NOPIK G597 GONAV/N0473F320 G597 AGAVO/K0876S0980
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* G597 DONVO A326 ANRAT ANRAT2A
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* -ZBTJ0126 ZBAA
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* -EET/ZSHA0025 ZYSH0039 ZBPE0059 REG/HL7507 SEL/KRHJ OPR/AAR
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* DOF/090516 RMK/TCAS II EQUIPPED NAV/RNAV1 RNAV5 STS/CARGO)
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* NNNN
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*/
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values := getSplitValues(data)
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telegram.FlightNumber = values[1]
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telegram.Plane = values[3]
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telegram.Departure, telegram.DepartureTime = getAirportAndTime(values[5])
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destString := strings.Split(values[7], " ")
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telegram.Destination, telegram.DestinationTime = getAirportAndTime(destString[0])
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parseDof(telegram, values[8])
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}
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func parseDelay(telegram *Telegram, data string) {
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/**
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* sample:
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* (DLA‐ABC123‐NZAA0145‐VTBS‐DOF/091120)
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*/
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values := getSplitValues(data)
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telegram.FlightNumber = values[1]
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telegram.Departure, telegram.DepartureTime = getAirportAndTime(values[2])
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telegram.Destination, telegram.DestinationTime = getAirportAndTime(values[3])
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if len(values) == 5 {
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parseDof(telegram, values[4])
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}
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}
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func parseDof(telegram *Telegram, text string) {
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if dof := getFields(DOFRegex, text); len(dof) == 1 {
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telegram.DateOfFlight, _ = time.Parse("060102", dof["time"])
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}
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}
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