troggle/core/views_logbooks.py

from django.shortcuts import render_to_response
from troggle.core.models import Expedition, Person, PersonExpedition, PersonTrip, LogbookEntry, SurvexBlock
import troggle.core.models as models
import troggle.settings as settings
import django.db.models
from troggle.parsers.logbooks import LoadLogbookForExpedition
from troggle.parsers.people import GetPersonExpeditionNameLookup
#from troggle.core.forms import PersonForm, getTripForm, get_name
from  django.core.urlresolvers import reverse
from django.http import HttpResponseRedirect, HttpResponse
from django.template import Context, loader
from utils import render_with_context
import os.path
import troggle.parsers.logbooks as logbookparsers
from django.template.defaultfilters import slugify
from troggle.helper import login_required_if_public
import datetime


# Django uses Context, not RequestContext when you call render_to_response. We always want to use RequestContext, so that django adds the context from settings.TEMPLATE_CONTEXT_PROCESSORS. This way we automatically get necessary settings variables passed to each template. So we use a custom method, render_response instead of render_to_response. Hopefully future Django releases will make this unnecessary.
#from troggle.alwaysUseRequestContext import render_response

import re

@django.db.models.permalink #this allows the nice get_absolute_url syntax we are using

def getNotablePersons():
    notablepersons = []
    for person in Person.objects.all():
            if person.bisnotable():
                notablepersons.append(person)
    return notablepersons		


def personindex(request):
    persons = Person.objects.all()
    # From what I can tell, "persons" seems to be the table rows, while "personss" is the table columns. - AC 16 Feb 09
    personss = [ ]
    ncols = 4
    nc = (len(persons) + ncols - 1) / ncols
    for i in range(ncols):
        personss.append(persons[i * nc: (i + 1) * nc])
    
    notablepersons = []
    for person in Person.objects.all():
            if person.bisnotable():
                notablepersons.append(person)

    return render_with_context(request,'personindex.html', {'persons': persons, 'personss':personss, 'notablepersons':notablepersons, })


def expedition(request, expeditionname):
    expedition = Expedition.objects.get(year=int(expeditionname))
    expeditions = Expedition.objects.all()
    personexpeditiondays = [ ]
    dateditems = list(expedition.logbookentry_set.all()) + list(expedition.survexblock_set.all())
    dates = list(set([item.date for item in dateditems]))
    dates.sort()
    for personexpedition in expedition.personexpedition_set.all():
        prow = [ ]
        for date in dates:
            pcell = { "persontrips": PersonTrip.objects.filter(personexpedition=personexpedition, 
                                                                logbook_entry__date=date) }
            pcell["survexblocks"] = set(SurvexBlock.objects.filter(survexpersonrole__personexpedition=personexpedition, 
                                                                    date = date))
            prow.append(pcell)
        personexpeditiondays.append({"personexpedition":personexpedition, "personrow":prow})
        
    message = ""
    if "reload" in request.GET:
        message = LoadLogbookForExpedition(expedition)
    return render_with_context(request,'expedition.html', {'expedition': expedition, 'expeditions':expeditions, 'personexpeditiondays':personexpeditiondays, 'message':message, 'settings':settings, 'dateditems': dateditems })

    def get_absolute_url(self):
        return ('expedition', (expedition.year))


def person(request, first_name='', last_name='', ):
    person = Person.objects.get(first_name = first_name, last_name = last_name)
    
    #This is for removing the reference to the user's profile, in case they set it to the wrong person
    if request.method == 'GET':
        if request.GET.get('clear_profile')=='True':
            person.user=None
            person.save()
            return HttpResponseRedirect(reverse('profiles_select_profile'))
    
    return render_with_context(request,'person.html', {'person': person, })


def GetPersonChronology(personexpedition):
    res = { }
    for persontrip in personexpedition.persontrip_set.all():
        a = res.setdefault(persontrip.date, { })
        a.setdefault("persontrips", [ ]).append(persontrip)

    for personrole in personexpedition.survexpersonrole_set.all():
        a = res.setdefault(personrole.survexblock.date, { })
        a.setdefault("personroles", [ ]).append(personrole.survexblock)
    
    # build up the tables
    rdates = res.keys()
    rdates.sort()
    
    
    res2 = [ ]
    for rdate in rdates:
        persontrips = res[rdate].get("persontrips", [])
        personroles = res[rdate].get("personroles", [])
        for n in range(max(len(persontrips), len(personroles))):
            res2.append(((n == 0 and rdate or "--"), (n < len(persontrips) and persontrips[n]), (n < len(personroles) and personroles[n])))
            
    return res2


def personexpedition(request, first_name='',  last_name='', year=''):
    person = Person.objects.get(first_name = first_name, last_name = last_name)
    expedition = Expedition.objects.get(year=year)
    personexpedition = person.personexpedition_set.get(expedition=expedition)
    personchronology = GetPersonChronology(personexpedition)
    return render_with_context(request,'personexpedition.html', {'personexpedition': personexpedition, 'personchronology':personchronology})


def logbookentry(request, date, slug):
    logbookentry = LogbookEntry.objects.filter(date=date, slug=slug)

    if len(logbookentry)>1:
        return render_with_context(request, 'object_list.html',{'object_list':logbookentry})
    else:
        logbookentry=logbookentry[0]
        return render_with_context(request, 'logbookentry.html', {'logbookentry': logbookentry})


def logbookSearch(request, extra):
    query_string = ''
    found_entries = None
    if ('q' in request.GET) and request.GET['q'].strip():
        query_string = request.GET['q']
    entry_query = search.get_query(query_string, ['text','title',])
    found_entries = LogbookEntry.objects.filter(entry_query)

    return render_with_context(request,'logbooksearch.html',
                          { 'query_string': query_string, 'found_entries': found_entries, })
                          #context_instance=RequestContext(request))

def personForm(request,pk):
    person=Person.objects.get(pk=pk)
    form=PersonForm(instance=person)
    return render_with_context(request,'personform.html', {'form':form,})


def experimental(request):
    legsbyexpo = [ ]
    for expedition in Expedition.objects.all():
        survexblocks = expedition.survexblock_set.all()
        survexlegs = [ ]
        survexleglength = 0.0
        for survexblock in survexblocks:
            survexlegs.extend(survexblock.survexleg_set.all())
            survexleglength += survexblock.totalleglength
        legsbyexpo.append((expedition, {"nsurvexlegs":len(survexlegs), "survexleglength":survexleglength}))
    legsbyexpo.reverse()
            
    survexlegs = models.SurvexLeg.objects.all()
    totalsurvexlength = sum([survexleg.tape  for survexleg in survexlegs])
    return render_with_context(request, 'experimental.html', { "nsurvexlegs":len(survexlegs), "totalsurvexlength":totalsurvexlength, "legsbyexpo":legsbyexpo })

@login_required_if_public
def newLogbookEntry(request, expeditionyear, pdate = None, pslug = None):
    expedition = Expedition.objects.get(year=expeditionyear)
    PersonTripFormSet, TripForm = getTripForm(expedition)
    if pslug and pdate:
        previousdate = datetime.date(*[int(x) for x in pdate.split("-")])
        previouslbe = LogbookEntry.objects.get(slug = pslug, date = previousdate, expedition = expedition)
        assert previouslbe.filename
    if request.method == 'POST': # If the form has been submitted...
        tripForm = TripForm(request.POST) # A form bound to the POST data
        personTripFormSet = PersonTripFormSet(request.POST)
        if tripForm.is_valid() and personTripFormSet.is_valid(): # All validation rules pass
            dateStr = tripForm.cleaned_data["date"].strftime("%Y-%m-%d")
            directory = os.path.join(settings.EXPOWEB, 
                                    "years", 
                                    expedition.year, 
                                    "autologbook")
            filename = os.path.join(directory, 
                                    dateStr + "." + slugify(tripForm.cleaned_data["title"])[:50] + ".html")
            if not os.path.isdir(directory):
                os.mkdir(directory)
            if pslug and pdate:
                delLogbookEntry(previouslbe)
            f = open(filename, "w")
            template = loader.get_template('dataformat/logbookentry.html')
            context = Context({'trip': tripForm.cleaned_data, 
                               'persons': personTripFormSet.cleaned_data,
                               'date': dateStr,
                               'expeditionyear': expeditionyear})
            f.write(template.render(context))
            f.close()
            print logbookparsers.parseAutoLogBookEntry(filename)
            return HttpResponseRedirect(reverse('expedition', args=[expedition.year])) # Redirect after POST
    else:
        if pslug and pdate:
            if previouslbe.cave:
                tripForm = TripForm(initial={"date": previousdate,
                                             "title": previouslbe.title,
                                             "cave": previouslbe.cave.reference(),
                                             "location": None,
                                             "caveOrLocation": "cave",
                                             "html": previouslbe.text})
            else:
                tripForm = TripForm(initial={"date": previousdate,
                                             "title": previouslbe.title,
                                             "cave": None,
                                             "location": previouslbe.place,
                                             "caveOrLocation": "location",
                                             "html": previouslbe.text})
            personTripFormSet = PersonTripFormSet(initial=[{"name": get_name(py.personexpedition), 
                                                            "TU": py.time_underground, 
                                                            "author": py.is_logbook_entry_author}
                                                           for py in previouslbe.persontrip_set.all()])
        else:        
            tripForm = TripForm() # An unbound form
            personTripFormSet = PersonTripFormSet()

    return render_with_context(request, 'newlogbookentry.html', {
        'tripForm': tripForm,
        'personTripFormSet': personTripFormSet,

    })

@login_required_if_public
def deleteLogbookEntry(request, expeditionyear, date = None, slug = None):
    expedition = Expedition.objects.get(year=expeditionyear)
    previousdate = datetime.date(*[int(x) for x in date.split("-")])
    previouslbe = LogbookEntry.objects.get(slug = slug, date = previousdate, expedition = expedition)
    delLogbookEntry(previouslbe)
    return HttpResponseRedirect(reverse('expedition', args=[expedition.year])) # Redirect after POST

def delLogbookEntry(lbe):
    for pt in lbe.persontrip_set.all():
        pt.delete()
    lbe.delete()
    os.remove(lbe.filename)

def get_people(request, expeditionslug):
    exp = Expedition.objects.get(year = expeditionslug)
    return render_with_context(request,'options.html', {"items": [(pe.slug, pe.name) for pe in exp.personexpedition_set.all()]})

def get_logbook_entries(request, expeditionslug):
    exp = Expedition.objects.get(year = expeditionslug)
    return render_with_context(request,'options.html', {"items": [(le.slug, "%s - %s" % (le.date, le.title)) for le in exp.logbookentry_set.all()]})