Make the relations all work.
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Schuyler Erle
parent
dcccbb3f66
commit
0a4bae4b43
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@ -108,22 +108,24 @@ class Feature(models.Model):
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def similar_features(self, max_distance=15000, scale_factor=2000, limit=20):
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sql = """
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SELECT *, %f * similarity / (distance + 1.0) AS score FROM (
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SELECT f.*, r.*,
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similarity(preferred_name, '%s') AS similarity,
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st_distance_sphere(geometry, 'SRID=4326;%s') AS distance
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SELECT *, %s * similarity / (distance + 1.0) AS score FROM (
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SELECT f.*, r.feature1_id, r.feature2_id, r.relationship_type,
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similarity(preferred_name, %s) AS similarity,
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st_distance_sphere(geometry, %s) AS distance
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FROM places_feature f LEFT JOIN places_relationship r
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ON (f.id=r.feature_from OR f.id=r.feature_to)
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WHERE geometry && st_buffer('%s', %f)
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AND preferred_name %%%% '%s'
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AND f.id <> %d
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LIMIT %d
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ON (f.id=r.feature1_id OR f.id=r.feature2_id)
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WHERE geometry && st_buffer(%s, %s)
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AND preferred_name %% %s
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AND f.id <> %s
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AND (r.feature1_id IS NULL OR r.feature1_id = %s OR r.feature2_id = %s)
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LIMIT %s
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) AS whatever
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ORDER BY similarity / (distance + 1.0) DESC"""
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qset = self.objects.raw(sql, (scale_factor, name, self.geometry.wkt,
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self.geometry.wkt, max_distance*0.00001, name,
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self.id, limit))
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return qset
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qset = type(self).objects.raw(sql, [scale_factor, self.preferred_name,
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"SRID=4326;" + self.geometry.centroid.wkt,
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self.geometry.centroid.wkt, max_distance*0.00001,
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self.preferred_name, self.id, self.id, self.id, limit])
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return qset
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LANGUAGE_CHOICES = (
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('en', 'English'),
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@ -2,7 +2,8 @@
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from django.shortcuts import render_to_response, get_object_or_404
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from ox.django.shortcuts import render_to_json_response, get_object_or_404_json
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from django.template import RequestContext
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from models import Feature, FeatureType, AuthorityRecord
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from models import Feature, FeatureType, AuthorityRecord, Relationship
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from django.core.exceptions import ObjectDoesNotExist
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from django.core.paginator import Paginator, InvalidPage, EmptyPage
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def search(request):
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@ -56,31 +57,6 @@ def search_json(request):
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}
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return render_to_json_response(d)
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'''
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This function will be removed. No need for this page.
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'''
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'''
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def search_related(request):
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id = request.GET.get("id", "0")
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feature = get_object_or_404(Feature, pk=id)
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similar_features = feature.similar_features()
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d = []
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for s in similar_features:
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d.append({
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'id': s.id,
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'feature_type': FeatureType.objects.get(pk=s.feature_type_id),
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'preferred_name': s.preferred_name,
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'similarity': s.similarity,
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'distance': s.distance,
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'relationship': ''
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})
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return render_to_response("search_related.html", {
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'feature': feature,
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'similar_features': d
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})
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'''
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def search_related_json(request, id):
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# id = request.GET.get("id", "0")
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id = str(id)
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@ -88,15 +64,15 @@ def search_related_json(request, id):
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similar_features = feature.similar_features()
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d = []
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for f in similar_features:
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for s in similar_features:
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time_frame = relates_to = related_by = ""
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if s.time_frame is not None:
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time_frame = s.time_frame.description
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else:
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time_frame = ''
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if s.relationship_type is not None and s.feature_to == s.id:
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relationship = s.relationship_type
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else:
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relationship = ''
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if s.relationship_type is not None:
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if s.feature2_id == s.id:
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relates_to = s.relationship_type
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elif s.feature1_id == s.id:
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related_by = s.relationship_type
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d.append({
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'id': s.id,
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'feature_type': s.feature_type.name, #FeatureType.objects.get(pk=s.feature_type_id).name,
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@ -105,7 +81,8 @@ def search_related_json(request, id):
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'distance': s.distance,
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'time_frame': time_frame,
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'is_primary': s.is_primary,
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'relationship': relationship
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'relates_to': relates_to,
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'related_by': related_by
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})
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return render_to_json_response(d)
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@ -139,14 +116,23 @@ def add_relation(request):
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if not request.user.is_staff:
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return render_to_json_response({'error': 'insufficient permissions error. try logging in again? are you staff / admin?'})
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feature1 = get_object_or_404_json(Feature, feature1)
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feature2 = get_object_or_404_json(Feature, feature2)
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Relationship(feature_from=feature1, feature_to=feature2, relationship_type=relation).save()
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if relation == "subsumes":
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feature2.is_primary = False
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feature2.save()
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return render_to_json_response({'success': 'relation made successfully.'})
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feature1 = get_object_or_404_json(Feature, pk=feature1)
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feature2 = get_object_or_404_json(Feature, pk=feature2)
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rel_obj = None
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try:
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rel_obj = Relationship.objects.get(feature1=feature1, feature2=feature2, relationship_type=relation)
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except ObjectDoesNotExist:
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rel_obj = Relationship(feature1=feature1, feature2=feature2, relationship_type=relation)
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verb = "created"
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if relation == "":
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if rel_obj.id:
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verb = "deleted"
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rel_obj.delete()
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else:
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return render_to_json_response({'error': 'relation is already deleted'})
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else:
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rel_obj.save()
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if relation == "subsumes":
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feature2.is_primary = False
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feature2.save()
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return render_to_json_response({'success': 'relation %s successfully.' % verb})
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@ -24,7 +24,7 @@ function getRow(d) {
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var distance = Math.round(parseFloat(d.distance));
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$('<td />').text(d.feature_type).appendTo($tr);
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$('<td />').text(similarity).appendTo($tr);
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$('<td />').text(d.distance).appendTo($tr);
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$('<td />').text(distance).appendTo($tr);
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$('<td />').text(d.time_frame).appendTo($tr);
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var $primary_td = $('<td />').appendTo($tr);
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var $checkbox = $('<input />').attr("type", "checkbox").attr("disabled", "disabled").appendTo($primary_td);
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@ -34,21 +34,28 @@ function getRow(d) {
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$.noop();
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}
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var $relations_td = $('<td />').appendTo($tr);
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var $relationselect = $('<select />').appendTo($relations_td);
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var $opt1 = $('<option />').val('').text('---').appendTo($relationselect);
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var $relations_td = $('<td />').prependTo($tr);
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if (d.related_by != '') {
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var verb = d.related_by.replace(/e?s$/i, "");
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var related_by = "is " + verb + "ed by";
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var $relationselect = $('<a />').attr("href", "/admin/places/feature/" + d.id)
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.text(related_by).appendTo($relations_td);
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} else {
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var $relationselect = $('<select />').appendTo($relations_td);
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var $opt1 = $('<option />').val('').text('---').appendTo($relationselect);
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for (var i=0; i<RELATIONSHIP_OPTIONS.length; i++) {
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var r = RELATIONSHIP_OPTIONS[i];
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$('<option />').val(r).text(r).appendTo($relationselect);
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}
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for (var i=0; i<RELATIONSHIP_OPTIONS.length; i++) {
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var r = RELATIONSHIP_OPTIONS[i];
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$('<option />').val(r).text(r).appendTo($relationselect);
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}
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if (d.relationship != '') {
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$relationselect.children().each(function() {
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if ($(this).val() == d.relationship) {
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$(this).attr("selected", "selected");
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}
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});
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if (d.relates_to != '') {
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$relationselect.children().each(function() {
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if ($(this).val() == d.relates_to) {
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$(this).attr("selected", "selected");
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}
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});
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}
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}
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$relationselect.change(function() {
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@ -20,6 +20,9 @@
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<table id="similarTable" class="customTable">
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<thead>
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<tr>
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<th>
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Relation
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</th>
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<th>
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Name
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</th>
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@ -30,7 +33,7 @@
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Similarity
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</th>
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<th>
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Distance
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Distance (m)
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</th>
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<th>
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Time Frame
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@ -39,10 +42,6 @@
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Is Primary?
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</th>
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<th>
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Relation
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</th>
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</tr>
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</thead>
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<tbody>
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