107 lines
2.8 KiB
Nim
107 lines
2.8 KiB
Nim
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#curl https://www.tidetimes.org.uk/exmouth-dock-tide-times-20190101 | grep -E -o ">((High|Low)|([0-9]+:[0-9]+)|([0-9]+\.[0-9]+m))"
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import base
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import std/[re,httpclient,os,times,osproc,sequtils]
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# TODO:
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# Pass location in as variable
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const url* = "https://www.tidetimes.org.uk/%LOC-tide-times"
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const loc* = "exmouth-dock"
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const icon: string = "🌊 "
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type
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Tide = ref object
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State: string
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Time: string
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Height: string
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Tomorrow: bool
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TideList = ref object
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Tides: seq[Tide]
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LastUpdated: DateTime
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proc sortTides(tides: seq[Tide], is_tomorrow: bool = false): seq[Tide] =
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let timenow = now()
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var reltides: seq[Tide]
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for tide in tides:
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if timenow.format("HH:MM") <= tide.Time and not is_tomorrow:
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reltides.add(tide)
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elif is_tomorrow:
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reltides.add(tide)
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return reltides
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proc getTideData(get_tomorrow: bool = false): seq[Tide] =
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var tides: seq[Tide]
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let fnd = re">((High|Low)|([0-9]+:[0-9]+)|([0-9]+\.[0-9]+m))"
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var client = newHttpClient()
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var link = replace(url,re"\%LOC",loc)
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if get_tomorrow:
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let tomdate = now() + initTimeInterval(days = 1)
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link &= "-" & tomdate.format("yyyyMMdd")
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try:
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# Remember to compile with -d:ssl else this won't work
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let data = client.getContent(link)
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let times = findAll(data,fnd)
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var tide: Tide
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var column = 0
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for idx,time in times:
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if idx == 12:
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break
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let l = len(time) - 1
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if time == ">High" or time == ">Low":
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tide = Tide()
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tide.State = time[1..l]
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column = 1
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continue
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elif column == 1:
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tide.Time = time[1..l]
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column = 2
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continue
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elif column == 2:
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tide.Height = time[1..l]
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tides.add(tide)
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column = 0
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continue
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except:
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echo "Unable to get Tide Data : " & getCurrentExceptionMsg()
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return tides
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proc getDesign(tides: seq[Tide]): Info =
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var my_tides: seq[string] = @[]
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for tide in tides:
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let str = icon & tide.State[0] & " " & tide.Time & " " & tide.Height
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my_tides.add(str)
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var data = newInfo("Tides")
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data.border = black
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data.args = my_tides
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return data
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proc getTides*(get_tomorrow: bool = false) {.gcsafe.}=
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var mytides = TideList()
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mytides.Tides = getTideData(get_tomorrow)
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mytides.Tides = sortTides(mytides.Tides, get_tomorrow)
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if len(mytides.Tides) == 0:
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getTides(true)
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return
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let data = getDesign(mytides.Tides)
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var opt_tomorrow = "tomorrow"
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if get_tomorrow:
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opt_tomorrow = "back"
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let args = concat(data.args,@["---",opt_tomorrow])
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let output = outputData(data,args)
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if output == "tomorrow":
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getTides(true)
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elif output == "back":
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getTides()
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elif output == "---":
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return
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elif output in args:
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let url = replace(url,re"\%LOC",loc)
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discard execCmd("xdg-open " & url)
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proc main() =
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getTides()
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if isMainModule:
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main()
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