bestSMS/best/smsmesn/handlers/fromto.py

#!/usr/bin/env python
# vim: ai ts=4 sts=4 et sw=4


from rapidsms.contrib.handlers.handlers.keyword import KeywordHandler
# from new_best.models import *
import datetime
try:
    import json
except:
    import simplejson as json
from settings import JSON_PATH
from os.path import join


def getStops(data, s):
    stops = []
    for d in data:
        if d[1].lower() == s:
            return [d]
        else:
            if d[0].lower().find(s) != -1:
                stops.append(d)
    return stops
            

def getStop(data, s):
    for d in data:
        if d[1] == s:
            return d
    return [""]

def getOptions(stops):
    arr = []
    for s in stops:
        arr.append(s[1])
    stopStr = ",".join(arr[0:4])
    return '(' + stopStr + ')'

def getBuses(frm, to):
#    return "hi"
    from_code = frm[1].strip()
    to_code = to[1].strip()
#    url = "http://mesn.org/Bestbus/busesfound.html"
    data = json.loads(open(join(JSON_PATH, "stopbus.json")).read().replace("\\", "/").replace(",,,", ",").replace(",,", ","))
    to = getStop(data, to_code)             
    frm = getStop(data, from_code)
#    return to[0]
    stopListFrom = frm[-1]
    stopListTo = to[-1]
    fromArr = stopListFrom.split(",")
    fromArr = [val.split("|")[0] for val in fromArr]
    toArr = stopListTo.split(",")
    toArr = [val.split("|")[0] for val in toArr]
    intersectArr = [val for val in fromArr if val in toArr]
#    return ",".join(fromArr) + ",".join(toArr)
    if (len(intersectArr) == 0):
        return "no direct buses found."
#        return "from %s to %s" % (",".join(fromArr), ",".join(toArr),)
    else:
        return ",".join(intersectArr)

class FromToHandler(KeywordHandler):
    keyword = "from"

    def help(self):
        self.respond("Send from <place> to <place>")

    def handle(self, text):
        txt = text.strip()
        from_to = txt.split("to")
        frm = from_to[0].strip()
        to = from_to[1].strip()
#        print frm
#        print to
        data = json.loads(open(join(JSON_PATH, "stoplist.json")).read().replace("\\", "/"))
        froms = getStops(data, frm)
        tos = getStops(data, to)

        if len(froms) == len(tos) == 1:
            self.respond(getBuses(froms[0], tos[0]))    
        else:
            if len(froms) == 0:
                fromString = "From location not found."
            elif len(froms) == 1:
                fromString = "From %s" % (froms[0][1])
            else:
                fromString = "From %s" % (getOptions(froms))

            if len(tos) == 0:
                toString = "To location not found."
            elif len(tos) == 1:
                toString = "to %s" % (tos[0][1])
            else:
                toString = "to %s" % (getOptions(tos)) 
            self.respond(fromString + " " + toString)        



def time_str(no):
    whole = int(no)
    decimal = (no - whole) * 10
    mins = int(((decimal + .0) / 10) * 60)
    return str(whole) + ":" + str(mins)