mirror of
https://github.com/nottinghamtec/PyRIGS.git
synced 2026-01-17 05:22:16 +00:00
131 lines
4.4 KiB
Python
131 lines
4.4 KiB
Python
import logging
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from django.views import generic
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from django.core.urlresolvers import reverse_lazy
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from django.shortcuts import get_object_or_404
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from django.template import RequestContext
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from django.template.loader import get_template
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from django.conf import settings
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from django.http import HttpResponse
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from django.db.models import Q
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from django.contrib import messages
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# Versioning
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import reversion
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import diff_match_patch
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import simplejson
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from reversion.helpers import generate_patch_html
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from reversion.models import Version
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from django.contrib.contenttypes.models import ContentType # Used to lookup the content_type
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from RIGS import models, forms
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import datetime
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import re
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logger = logging.getLogger('tec.pyrigs')
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def compare_events(obj1, obj2, excluded_keys=[]):
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d1, d2 = obj1, obj2
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key, old, new = [],[],[]
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for k,v in d1.items():
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if k in excluded_keys:
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continue
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try:
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if v != d2[k]:
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key.append(models.Event._meta.get_field_by_name(k)[0].verbose_name)
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old.append(v)
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new.append(d2[k])
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except KeyError:
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old.append({k: v})
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except TypeError:
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# avoids issues with naive vs tz-aware datetimes
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old.append({k: v})
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return zip(key,old,new)
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def compare_items(old, new):
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item_type = ContentType.objects.get_for_model(models.EventItem)
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old_items = old.revision.version_set.filter(content_type=item_type)
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new_items = new.revision.version_set.filter(content_type=item_type)
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class ItemCompare(object):
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def __init__(self, old=None, new=None):
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self.old = old
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self.new = new
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# Build some dicts of what we have
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item_dict = {}
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for item in old_items:
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compare = ItemCompare(old=item)
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compare.old.field_dict['event_id'] = compare.old.field_dict.pop('event')
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item_dict[item.object_id] = compare
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for item in new_items:
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try:
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compare = item_dict[item.object_id]
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compare.new = item
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except KeyError:
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compare = ItemCompare(new=item)
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compare.new.field_dict['event_id'] = compare.new.field_dict.pop('event')
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item_dict[item.object_id] = compare
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# calculate changes
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key, old, new = [], [], []
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for (_, items) in item_dict.items():
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if items.new is None:
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key.append("Deleted \"%s\"" % items.old.field_dict['name'])
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old.append(models.EventItem(**items.old.field_dict))
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new.append(None)
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elif items.old is None:
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key.append("Added \"%s\"" % items.new.field_dict['name'])
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old.append(None)
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new.append(models.EventItem(**items.new.field_dict))
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elif items.old.field_dict != items.new.field_dict:
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if items.old.field_dict['name'] == items.new.field_dict['name']:
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change_text = "\"%s\"" % items.old.field_dict['name']
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else:
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change_text = "\"%s\" to \"%s\"" % (items.old.field_dict['name'], items.new.field_dict['name'])
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key.append("Changed %s" % change_text)
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old.append(models.EventItem(**items.old.field_dict))
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new.append(models.EventItem(**items.new.field_dict))
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return zip(key,old,new)
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class EventRevisions(generic.ListView):
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model = reversion.revisions.Version
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template_name = "RIGS/event_version_list.html"
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def get_context_data(self, **kwargs):
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thisEvent = get_object_or_404(models.Event, pk=self.kwargs['pk'])
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revisions = reversion.get_for_object(thisEvent)
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items = []
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for revisionNo, thisRevision in enumerate(revisions):
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thisItem = {'pk': thisRevision.pk}
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thisItem['revision'] = thisRevision.revision
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logger.info(thisRevision.revision.version_set.all())
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if revisionNo >= len(revisions)-1:
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# oldest version
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thisItem['changes'] = [["(initial version)",None,"Event Created"]]
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else:
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changes = compare_events(revisions[revisionNo+1].field_dict,thisRevision.field_dict)
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thisItem['item_changes'] = compare_items(revisions[revisionNo+1], thisRevision)
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logger.debug(thisItem['item_changes'])
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thisItem['changes'] = changes
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items.append(thisItem)
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logger.info(thisItem)
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context = {
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'object_list': items,
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'object': thisEvent
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}
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return context
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