2021-01-04 18:07:48 +08:00
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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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)
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const (
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FlopRegex = `(?m)\((?P<type>\w{3}).*(.|\n|\r).*\)`
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2021-01-05 12:43:04 +08:00
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DestinationRegex = `(?P<dest>[A-Z]+)(?P<time>\d{0,4})`
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DofValueRex = `(?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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2021-01-05 12:43:04 +08:00
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DepRegex = `(?P<dep>\w+\d{0,4})`
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ArrRegex = `(?P<arr>\w+\d{0,4})`
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PlaneRegex = `(?P<plane>\w+\d+\/?\w\d+)`
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DofRegex = `(?P<dof>DOF\/\d{6})`
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KeyPlane = "plane"
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CompositeDepArr = `(?m)\(` + `\w{3}` + "-" + PlaneRegex + "-" + DepRegex + "-" + ArrRegex + "-?" + DofRegex + `?\)`
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KeyDeparture = "dep"
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KeyArrival = "arr"
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KeyDof = "dof"
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2021-01-04 18:07:48 +08:00
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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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fields := getFields(CompositeDepArr, data)
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if len(fields) < 1 {
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telegram.ParseErrors = append(telegram.ParseErrors, errors.New("arrival data less than 4 "))
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}
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telegram.FlightNumber, telegram.RegisterNumber = parseFlight(fields[KeyPlane])
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telegram.Departure, telegram.DepartureTime = parseAirportAndTime(fields[KeyDeparture])
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telegram.Destination, telegram.DestinationTime = parseAirportAndTime(fields[KeyArrival])
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dofValue := fields[KeyDof]
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if len(dofValue) > 0 {
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telegram.DateOfFlight = parseDof(dofValue)
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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 = parseAirportAndTime(values[5])
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destString := strings.Split(values[7], " ")
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telegram.Destination, telegram.DestinationTime = parseAirportAndTime(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 = parseAirportAndTime(values[2])
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telegram.Destination, telegram.DestinationTime = parseAirportAndTime(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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2021-01-04 18:07:48 +08:00
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}
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