140 lines
4.2 KiB
Python
140 lines
4.2 KiB
Python
import shlex
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from django.shortcuts import render, get_object_or_404, redirect
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from django.contrib.postgres.search import SearchVector, TrigramSimilarity
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from django.http import Http404, JsonResponse
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from django.contrib.admin.models import LogEntry
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from django_select2.views import AutoResponseView
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from django.db import connection
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from storage.models import Item, Label
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def apply_smart_search(query, objects):
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general_term = []
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filters = {}
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for prop in shlex.split(query):
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if ':' not in prop:
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general_term.append(prop)
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else:
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key, value = prop.split(':', 1)
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if key in ['owner', 'taken_by']:
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filters[key + '__username'] = value
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elif hasattr(Item, key):
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filters[key + '__search'] = value
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elif key == 'ancestor':
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objects = Item.objects.get(pk=value).get_children()
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elif key == 'prop' or value:
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if key == 'prop':
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key, _, value = value.partition(':')
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if not value:
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filters['props__isnull'] = {key: False}
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else:
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filters['props__contains'] = {key: value}
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else:
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# "Whatever:"
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general_term.append(prop)
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objects = objects.filter(**filters)
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if not general_term:
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return objects
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objects = objects.annotate(
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search=SearchVector('name', 'description', 'props', config='simple'),
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)
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general_term = ' '.join(general_term)
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objects = objects.annotate(
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similarity=TrigramSimilarity('name', general_term)
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).filter(
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similarity__gte=0.15
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).order_by('-similarity')
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return objects
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def index(request):
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return render(request, 'index.html')
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def search(request):
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query = request.GET.get('q', '')
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results = apply_smart_search(query, Item.objects).all()
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if results and len(results) == 1 or getattr(results[0], 'similarity', 0) == 1:
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return redirect(results[0])
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return render(request, 'results.html', {
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'query': query,
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'results': results,
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})
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def item_display(request, pk):
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if not pk:
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return render(request, 'results.html', {
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'results': Item.get_roots()
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})
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item = get_object_or_404(Item, pk=pk)
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return render(request, 'item.html', {
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'item': item,
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'categories': item.categories.all(),
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'props': sorted(item.props.items()),
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'images': item.images.all(),
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'labels': item.labels.all(),
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'history': LogEntry.objects.filter(object_id=item.pk),
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'ancestors': item.get_ancestors(),
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'children': item.get_children().prefetch_related('categories'),
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})
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def label_lookup(request, pk):
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label = get_object_or_404(Label, pk=pk)
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return redirect(label.item)
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class ItemSelectView(AutoResponseView):
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def get(self, request, *args, **kwargs):
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self.widget = self.get_widget_or_404()
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self.term = kwargs.get('term', request.GET.get('term', ''))
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self.object_list = self.get_queryset()
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context = self.get_context_data()
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return JsonResponse({
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'results': [
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{
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'text': obj.name,
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'path': [o.name for o in obj.get_ancestors()],
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'id': obj.pk,
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}
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for obj in context['object_list']
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],
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'more': context['page_obj'].has_next()
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})
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class PropSelectView(AutoResponseView):
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def get(self, request, *args, **kwargs):
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# self.widget = self.get_widget_or_404()
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self.term = kwargs.get('term', request.GET.get('term', ''))
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# context = self.get_context_data()
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with connection.cursor() as c:
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c.execute("""
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select e from (
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select skeys(props) as e, count(skeys(props)) as e_count
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from storage_item group by e order by e_count desc) as xD
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where e like %s limit 10;""", ['%' + self.term + '%'])
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props = c.fetchall()
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return JsonResponse({
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'results': [
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{
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'text': p,
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'id': p,
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}
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for p in props
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],
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})
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