mirror of
https://github.com/pacnpal/thrilltrack-explorer.git
synced 2025-12-20 09:11:12 -05:00
d6ff4cc3a3
- Created a base email template (base.html) for consistent styling across all emails. - Added moderation approval email template (moderation_approved.html) to notify users of approved submissions. - Added moderation rejection email template (moderation_rejected.html) to inform users of required changes for their submissions. - Created password reset email template (password_reset.html) for users requesting to reset their passwords. - Developed a welcome email template (welcome.html) to greet new users and provide account details and tips for using ThrillWiki.
387 lines
14 KiB
Python
387 lines
14 KiB
Python
"""
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Search service for ThrillWiki entities.
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Provides full-text search capabilities with PostgreSQL and fallback for SQLite.
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- PostgreSQL: Uses SearchVector, SearchQuery, SearchRank for full-text search
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- SQLite: Falls back to case-insensitive LIKE queries
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"""
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from typing import List, Optional, Dict, Any
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from django.db.models import Q, QuerySet, Value, CharField, F
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from django.db.models.functions import Concat
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from django.conf import settings
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# Conditionally import PostgreSQL search features
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_using_postgis = 'postgis' in settings.DATABASES['default']['ENGINE']
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if _using_postgis:
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from django.contrib.postgres.search import SearchVector, SearchQuery, SearchRank, TrigramSimilarity
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from django.contrib.postgres.aggregates import StringAgg
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class SearchService:
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"""Service for searching across all entity types."""
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def __init__(self):
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self.using_postgres = _using_postgis
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def search_all(
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self,
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query: str,
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entity_types: Optional[List[str]] = None,
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limit: int = 20
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) -> Dict[str, Any]:
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"""
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Search across all entity types.
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Args:
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query: Search query string
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entity_types: Optional list to filter by entity types
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limit: Maximum results per entity type
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Returns:
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Dictionary with results grouped by entity type
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"""
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results = {}
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# Default to all entity types if not specified
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if not entity_types:
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entity_types = ['company', 'ride_model', 'park', 'ride']
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if 'company' in entity_types:
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results['companies'] = list(self.search_companies(query, limit=limit))
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if 'ride_model' in entity_types:
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results['ride_models'] = list(self.search_ride_models(query, limit=limit))
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if 'park' in entity_types:
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results['parks'] = list(self.search_parks(query, limit=limit))
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if 'ride' in entity_types:
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results['rides'] = list(self.search_rides(query, limit=limit))
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return results
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def search_companies(
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self,
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query: str,
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filters: Optional[Dict[str, Any]] = None,
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limit: int = 20
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) -> QuerySet:
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"""
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Search companies with full-text search.
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Args:
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query: Search query string
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filters: Optional filters (company_types, founded_after, etc.)
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limit: Maximum number of results
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Returns:
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QuerySet of Company objects
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"""
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from apps.entities.models import Company
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if self.using_postgres:
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# PostgreSQL full-text search using pre-computed search_vector
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search_query = SearchQuery(query, search_type='websearch')
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results = Company.objects.annotate(
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rank=SearchRank(F('search_vector'), search_query)
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).filter(search_vector=search_query).order_by('-rank')
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else:
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# SQLite fallback using LIKE
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results = Company.objects.filter(
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Q(name__icontains=query) | Q(description__icontains=query)
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).order_by('name')
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# Apply additional filters
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if filters:
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if filters.get('company_types'):
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# Filter by company types (stored in JSONField)
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results = results.filter(
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company_types__contains=filters['company_types']
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)
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if filters.get('founded_after'):
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results = results.filter(founded_date__gte=filters['founded_after'])
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if filters.get('founded_before'):
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results = results.filter(founded_date__lte=filters['founded_before'])
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return results[:limit]
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def search_ride_models(
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self,
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query: str,
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filters: Optional[Dict[str, Any]] = None,
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limit: int = 20
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) -> QuerySet:
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"""
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Search ride models with full-text search.
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Args:
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query: Search query string
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filters: Optional filters (manufacturer_id, model_type, etc.)
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limit: Maximum number of results
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Returns:
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QuerySet of RideModel objects
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"""
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from apps.entities.models import RideModel
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if self.using_postgres:
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# PostgreSQL full-text search using pre-computed search_vector
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search_query = SearchQuery(query, search_type='websearch')
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results = RideModel.objects.select_related('manufacturer').annotate(
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rank=SearchRank(F('search_vector'), search_query)
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).filter(search_vector=search_query).order_by('-rank')
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else:
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# SQLite fallback using LIKE
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results = RideModel.objects.select_related('manufacturer').filter(
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Q(name__icontains=query) |
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Q(manufacturer__name__icontains=query) |
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Q(description__icontains=query)
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).order_by('manufacturer__name', 'name')
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# Apply additional filters
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if filters:
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if filters.get('manufacturer_id'):
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results = results.filter(manufacturer_id=filters['manufacturer_id'])
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if filters.get('model_type'):
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results = results.filter(model_type=filters['model_type'])
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return results[:limit]
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def search_parks(
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self,
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query: str,
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filters: Optional[Dict[str, Any]] = None,
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limit: int = 20
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) -> QuerySet:
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"""
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Search parks with full-text search and location filtering.
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Args:
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query: Search query string
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filters: Optional filters (status, park_type, location, radius, etc.)
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limit: Maximum number of results
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Returns:
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QuerySet of Park objects
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"""
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from apps.entities.models import Park
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if self.using_postgres:
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# PostgreSQL full-text search using pre-computed search_vector
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search_query = SearchQuery(query, search_type='websearch')
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results = Park.objects.annotate(
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rank=SearchRank(F('search_vector'), search_query)
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).filter(search_vector=search_query).order_by('-rank')
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else:
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# SQLite fallback using LIKE
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results = Park.objects.filter(
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Q(name__icontains=query) | Q(description__icontains=query)
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).order_by('name')
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# Apply additional filters
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if filters:
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if filters.get('status'):
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results = results.filter(status=filters['status'])
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if filters.get('park_type'):
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results = results.filter(park_type=filters['park_type'])
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if filters.get('operator_id'):
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results = results.filter(operator_id=filters['operator_id'])
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if filters.get('opening_after'):
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results = results.filter(opening_date__gte=filters['opening_after'])
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if filters.get('opening_before'):
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results = results.filter(opening_date__lte=filters['opening_before'])
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# Location-based filtering (PostGIS only)
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if self.using_postgres and filters.get('location') and filters.get('radius'):
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from django.contrib.gis.geos import Point
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from django.contrib.gis.measure import D
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longitude, latitude = filters['location']
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point = Point(longitude, latitude, srid=4326)
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radius_km = filters['radius']
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# Use distance filter
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results = results.filter(
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location_point__distance_lte=(point, D(km=radius_km))
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).annotate(
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distance=F('location_point__distance')
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).order_by('distance')
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return results[:limit]
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def search_rides(
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self,
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query: str,
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filters: Optional[Dict[str, Any]] = None,
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limit: int = 20
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) -> QuerySet:
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"""
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Search rides with full-text search.
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Args:
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query: Search query string
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filters: Optional filters (park_id, manufacturer_id, status, etc.)
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limit: Maximum number of results
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Returns:
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QuerySet of Ride objects
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"""
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from apps.entities.models import Ride
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if self.using_postgres:
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# PostgreSQL full-text search using pre-computed search_vector
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search_query = SearchQuery(query, search_type='websearch')
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results = Ride.objects.select_related('park', 'manufacturer', 'model').annotate(
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rank=SearchRank(F('search_vector'), search_query)
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).filter(search_vector=search_query).order_by('-rank')
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else:
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# SQLite fallback using LIKE
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results = Ride.objects.select_related('park', 'manufacturer', 'model').filter(
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Q(name__icontains=query) |
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Q(park__name__icontains=query) |
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Q(manufacturer__name__icontains=query) |
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Q(description__icontains=query)
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).order_by('park__name', 'name')
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# Apply additional filters
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if filters:
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if filters.get('park_id'):
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results = results.filter(park_id=filters['park_id'])
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if filters.get('manufacturer_id'):
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results = results.filter(manufacturer_id=filters['manufacturer_id'])
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if filters.get('model_id'):
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results = results.filter(model_id=filters['model_id'])
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if filters.get('status'):
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results = results.filter(status=filters['status'])
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if filters.get('ride_category'):
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results = results.filter(ride_category=filters['ride_category'])
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if filters.get('is_coaster') is not None:
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results = results.filter(is_coaster=filters['is_coaster'])
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if filters.get('opening_after'):
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results = results.filter(opening_date__gte=filters['opening_after'])
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if filters.get('opening_before'):
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results = results.filter(opening_date__lte=filters['opening_before'])
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# Height/speed filters
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if filters.get('min_height'):
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results = results.filter(height__gte=filters['min_height'])
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if filters.get('max_height'):
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results = results.filter(height__lte=filters['max_height'])
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if filters.get('min_speed'):
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results = results.filter(speed__gte=filters['min_speed'])
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if filters.get('max_speed'):
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results = results.filter(speed__lte=filters['max_speed'])
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return results[:limit]
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def autocomplete(
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self,
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query: str,
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entity_type: Optional[str] = None,
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limit: int = 10
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) -> List[Dict[str, Any]]:
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"""
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Get autocomplete suggestions for search.
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Args:
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query: Partial search query
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entity_type: Optional specific entity type
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limit: Maximum number of suggestions
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Returns:
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List of suggestion dictionaries with name and entity_type
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"""
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suggestions = []
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if not query or len(query) < 2:
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return suggestions
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# Search in names only for autocomplete
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if entity_type == 'company' or not entity_type:
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from apps.entities.models import Company
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companies = Company.objects.filter(
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name__istartswith=query
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).values('id', 'name', 'slug')[:limit]
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for company in companies:
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suggestions.append({
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'id': company['id'],
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'name': company['name'],
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'slug': company['slug'],
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'entity_type': 'company'
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})
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if entity_type == 'park' or not entity_type:
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from apps.entities.models import Park
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parks = Park.objects.filter(
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name__istartswith=query
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).values('id', 'name', 'slug')[:limit]
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for park in parks:
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suggestions.append({
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'id': park['id'],
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'name': park['name'],
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'slug': park['slug'],
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'entity_type': 'park'
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})
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if entity_type == 'ride' or not entity_type:
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from apps.entities.models import Ride
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rides = Ride.objects.select_related('park').filter(
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name__istartswith=query
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).values('id', 'name', 'slug', 'park__name')[:limit]
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for ride in rides:
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suggestions.append({
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'id': ride['id'],
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'name': ride['name'],
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'slug': ride['slug'],
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'park_name': ride['park__name'],
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'entity_type': 'ride'
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})
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if entity_type == 'ride_model' or not entity_type:
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from apps.entities.models import RideModel
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models = RideModel.objects.select_related('manufacturer').filter(
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name__istartswith=query
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).values('id', 'name', 'slug', 'manufacturer__name')[:limit]
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for model in models:
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suggestions.append({
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'id': model['id'],
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'name': model['name'],
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'slug': model['slug'],
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'manufacturer_name': model['manufacturer__name'],
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'entity_type': 'ride_model'
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})
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# Sort by relevance (exact matches first, then alphabetically)
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suggestions.sort(key=lambda x: (
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not x['name'].lower().startswith(query.lower()),
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x['name'].lower()
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))
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return suggestions[:limit]
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