mirror of
https://github.com/open-webui/open-webui
synced 2025-06-10 16:38:21 +00:00
1641 lines
59 KiB
Python
1641 lines
59 KiB
Python
import logging
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import json
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import time
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import uuid
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from typing import Optional, Dict, Any, List, Union
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from enum import Enum
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from open_webui.internal.db import Base, get_db
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from open_webui.models.tags import TagModel, Tag, Tags
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from open_webui.env import SRC_LOG_LEVELS
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from pydantic import BaseModel, ConfigDict
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from sqlalchemy import BigInteger, Boolean, Column, String, Text, JSON
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from sqlalchemy import or_, func, select, and_, text
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from sqlalchemy.sql import exists
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from sqlalchemy.sql.elements import TextClause
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# Import JSONB for PostgreSQL support - gracefully handle absence in other databases
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try:
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from sqlalchemy.dialects.postgresql import JSONB
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except ImportError:
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JSONB = None
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####################
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# Database Adapter
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####################
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class DatabaseType(Enum):
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"""
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Enumeration of supported database types and their JSON capabilities.
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Used by DatabaseAdapter to determine optimal query strategies and
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features available for each database backend.
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"""
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SQLITE = "sqlite" # SQLite with JSON1 extension
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POSTGRESQL_JSON = "postgresql_json" # PostgreSQL with standard JSON
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POSTGRESQL_JSONB = "postgresql_jsonb" # PostgreSQL with binary JSONB
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UNSUPPORTED = "unsupported" # Unsupported database type
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class DatabaseAdapter:
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"""Centralized database-specific query generation with caching"""
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def __init__(self, db):
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"""
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Initialize adapter with database session and setup caching.
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Args:
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db: SQLAlchemy database session for introspection and queries
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"""
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self.db = db
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self.dialect = db.bind.dialect.name
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# Cache database types to avoid repeated introspection queries
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self._cache: Dict[str, DatabaseType] = {}
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def get_database_type(self, column_name: str = "meta") -> DatabaseType:
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"""Determine database type with caching"""
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cache_key = f"{self.dialect}_{column_name}"
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if cache_key in self._cache:
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return self._cache[cache_key]
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# Determine database type based on dialect and column inspection
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if self.dialect == "sqlite":
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result = DatabaseType.SQLITE
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elif self.dialect == "postgresql":
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# Check if column uses JSONB or standard JSON
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result = (
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DatabaseType.POSTGRESQL_JSONB
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if self._is_jsonb_column(column_name)
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else DatabaseType.POSTGRESQL_JSON
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)
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else:
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result = DatabaseType.UNSUPPORTED
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# Cache result for future queries
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self._cache[cache_key] = result
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return result
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def _is_jsonb_column(self, column_name: str) -> bool:
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"""Check if column is JSONB type"""
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if JSONB is None or self.dialect != "postgresql":
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return False
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try:
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# Query PostgreSQL system catalog for column data type
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result = self.db.execute(
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text(
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"""
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SELECT data_type FROM information_schema.columns
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WHERE table_name = 'chat' AND column_name = :column_name
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"""
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),
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{"column_name": column_name},
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)
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row = result.fetchone()
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return row[0].lower() == "jsonb" if row else False
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except Exception:
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# Gracefully handle permission or connection issues
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return False
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def _get_function_template(
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self, db_type: DatabaseType, function_type: str
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) -> Optional[str]:
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"""Get function template for specific database type and function"""
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templates = {
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DatabaseType.SQLITE: {
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# SQLite with JSON1 extension functions
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"tag_exists": (
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"EXISTS (SELECT 1 FROM json_each({column}, '$.tags') "
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"WHERE json_each.value = :tag_id)"
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),
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"has_key": "json_extract({column}, '$.{path}') IS NOT NULL",
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"array_length": "json_array_length({column}, '$.{path}')",
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"array_elements": "json_each({column}, '$.{path}')",
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"content_search": """EXISTS (
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SELECT 1 FROM json_each({column}, '$.messages') AS message
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WHERE LOWER(message.value->>'content') LIKE '%' || :search_text || '%'
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)""",
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},
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DatabaseType.POSTGRESQL_JSON: {
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# PostgreSQL with standard JSON operators
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"tag_exists": (
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"EXISTS (SELECT 1 FROM json_array_elements_text({column}->'tags') "
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"elem WHERE elem = :tag_id)"
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),
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"has_key": "{column} ? '{path}'",
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"array_length": "json_array_length({column}->'{path}')",
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"array_elements": "json_array_elements({column}->'{path}')",
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"content_search": """EXISTS (
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SELECT 1 FROM json_array_elements({column}->'messages') AS message
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WHERE LOWER(message->>'content') LIKE '%' || :search_text || '%'
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)""",
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},
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DatabaseType.POSTGRESQL_JSONB: {
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# PostgreSQL with optimized JSONB binary format
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"tag_exists": (
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"EXISTS (SELECT 1 FROM jsonb_array_elements_text({column}->'tags') "
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"elem WHERE elem = :tag_id)"
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),
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"has_key": "{column} ? '{path}'",
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"array_length": "jsonb_array_length({column}->'{path}')",
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"array_elements": "jsonb_array_elements({column}->'{path}')",
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"content_search": """EXISTS (
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SELECT 1 FROM jsonb_array_elements({column}->'messages') AS message
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WHERE LOWER(message->>'content') LIKE '%' || :search_text || '%'
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)""",
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},
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}
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return templates.get(db_type, {}).get(function_type)
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def build_tag_filter(
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self, column_name: str, tag_ids: List[str], match_all: bool = True
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) -> Optional[Union[TextClause, and_, or_]]:
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"""Build optimized tag filtering query"""
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if not tag_ids:
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return None
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# Get database-specific template for tag existence checks
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db_type = self.get_database_type(column_name)
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template = self._get_function_template(db_type, "tag_exists")
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if not template:
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return None
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# Replace column placeholder with actual column reference
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query_template = template.replace("{column}", f"Chat.{column_name}")
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if match_all:
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# AND logic: all tags must be present
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return and_(
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*[text(query_template).params(tag_id=tag_id) for tag_id in tag_ids]
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)
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else:
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# OR logic: any tag can be present
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# Use separate parameters to avoid conflicts
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conditions = []
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params = {}
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for idx, tag_id in enumerate(tag_ids):
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param_name = f"tag_id_{idx}"
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params[param_name] = tag_id
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condition_template = query_template.replace(":tag_id", f":{param_name}")
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conditions.append(text(condition_template))
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return or_(*conditions).params(**params)
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def build_search_filter(self, search_text: str) -> Optional[TextClause]:
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"""Build content search query"""
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db_type = self.get_database_type("chat")
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template = self._get_function_template(db_type, "content_search")
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if not template:
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return None
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# Replace column placeholder and bind search parameter
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query = template.replace("{column}", "Chat.chat")
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return text(query).params(search_text=search_text)
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def build_untagged_filter(self, column_name: str = "meta") -> Optional[or_]:
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"""Build filter for chats without tags"""
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db_type = self.get_database_type(column_name)
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# Get templates for key existence and array length checks
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has_key_template = self._get_function_template(db_type, "has_key")
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array_length_template = self._get_function_template(db_type, "array_length")
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if not has_key_template or not array_length_template:
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return None
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# Build conditions for missing key and empty array
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has_key = has_key_template.replace("{column}", f"Chat.{column_name}").replace(
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"{path}", "tags"
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)
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array_length = array_length_template.replace(
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"{column}", f"Chat.{column_name}"
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).replace("{path}", "tags")
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# Return OR condition: no tags key OR empty tags array
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return or_(text(f"NOT ({has_key})"), text(f"{array_length} = 0"))
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####################
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# Utility Functions
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####################
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def normalize_tag_name(tag_name: str) -> str:
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"""Normalize tag name for consistent storage and querying"""
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return tag_name.replace(" ", "_").lower()
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def normalize_tag_names(tag_names: List[str]) -> List[str]:
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"""Normalize multiple tag names"""
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return [normalize_tag_name(tag) for tag in tag_names]
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####################
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# Chat DB Schema
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####################
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# Initialize logging with appropriate level for model operations
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log = logging.getLogger(__name__)
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log.setLevel(SRC_LOG_LEVELS["MODELS"])
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class Chat(Base):
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__tablename__ = "chat"
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# Primary identifier - UUID for global uniqueness
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id = Column(String, primary_key=True)
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# User ownership - references user system
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user_id = Column(String)
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# Human-readable chat title for UI display
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title = Column(Text)
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# Full chat data including messages, history, and configuration
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chat = Column(
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JSON
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) # For JSONB support, change to: Column(JSONB) if JSONB else Column(JSON)
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# Timestamp fields (Unix epoch for efficiency and timezone independence)
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created_at = Column(BigInteger) # Creation timestamp
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updated_at = Column(BigInteger) # Last modification timestamp
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# Sharing functionality - UUID for shared public links
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share_id = Column(Text, unique=True, nullable=True)
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# Organization and state flags
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archived = Column(Boolean, default=False) # Hidden from main view
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pinned = Column(Boolean, default=False, nullable=True) # Pinned to top
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# Extensible metadata storage (tags, custom fields, etc.)
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# For JSONB support, change to:
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# Column(JSONB, server_default="{}") if JSONB else Column(JSON, server_default="{}")
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meta = Column(JSON, server_default="{}")
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# Optional folder organization
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folder_id = Column(Text, nullable=True)
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class ChatModel(BaseModel):
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model_config = ConfigDict(from_attributes=True)
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# Core identification and ownership
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id: str
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user_id: str
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title: str
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chat: dict
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# Timestamps (Unix epoch seconds)
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created_at: int # timestamp in epoch
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updated_at: int # timestamp in epoch
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# Optional fields with defaults
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share_id: Optional[str] = None # Public sharing identifier
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archived: bool = False # Archive status
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pinned: Optional[bool] = False # Pin status (nullable for compatibility)
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# Extensible fields
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meta: dict = {} # Metadata including tags
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folder_id: Optional[str] = None # Folder organization
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|
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####################
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# Forms
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####################
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class ChatForm(BaseModel):
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"""
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Form model for creating new chats with basic data validation.
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Used for API endpoints that create new chat conversations.
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Validates that the required chat data structure is present.
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"""
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chat: dict
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class ChatImportForm(ChatForm):
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"""
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Extended form model for importing chats with additional metadata.
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Used for bulk import operations or when creating chats with
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pre-existing metadata, tags, or organizational settings.
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Extends ChatForm with optional metadata fields that are not
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required for basic chat creation but useful for import scenarios.
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"""
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meta: Optional[dict] = {} # Tags and other metadata
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pinned: Optional[bool] = False # Pin status
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folder_id: Optional[str] = None # Folder assignment
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class ChatTitleMessagesForm(BaseModel):
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"""
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Form model for operations that need title and messages separately.
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Used by endpoints that work with chat titles and message lists
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independently, such as chat generation or title updates.
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"""
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title: str
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messages: list[dict]
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class ChatTitleForm(BaseModel):
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"""
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Simple form model for chat title updates.
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Used by endpoints that only modify the chat title without
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affecting the conversation content or metadata.
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"""
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title: str
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|
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class ChatResponse(BaseModel):
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"""
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Complete response model for chat API endpoints.
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Provides a comprehensive view of chat data for API responses,
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including all fields that clients might need for display,
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organization, and functionality.
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Used by endpoints that return full chat information to ensure
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consistent response structure across the API.
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"""
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# Core chat identification and data
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id: str
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user_id: str
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title: str
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chat: dict
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# Timestamps for sorting and display
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updated_at: int # timestamp in epoch
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created_at: int # timestamp in epoch
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# Sharing and organization
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share_id: Optional[str] = None # id of the chat to be shared
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archived: bool # archive status
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pinned: Optional[bool] = False # pin status
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# Extensible metadata and organization
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meta: dict = {} # tags and other metadata
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folder_id: Optional[str] = None # folder assignment
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|
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class ChatTitleIdResponse(BaseModel):
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"""
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Lightweight response model for chat list operations.
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Optimized for chat list views that only need basic identification
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and sorting information. Reduces payload size for better performance
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when displaying large numbers of chats.
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Used by endpoints that return chat lists, search results, or
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navigation menus where full chat content is not needed.
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"""
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id: str
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title: str
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updated_at: int
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created_at: int
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|
|
|
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class ChatTable:
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def __init__(self):
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"""
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Initialize the ChatTable with default configuration.
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No initialization parameters required as the class uses
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dependency injection through the get_db() context manager
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for database sessions.
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"""
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pass
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def _get_adapter(self, db) -> DatabaseAdapter:
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"""Get database adapter for the current session"""
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return DatabaseAdapter(db)
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|
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# Legacy methods for backward compatibility
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def _is_jsonb_column(self, db, column_name: str) -> bool:
|
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"""Legacy method - use adapter instead"""
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adapter = self._get_adapter(db)
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return adapter.get_database_type(column_name) == DatabaseType.POSTGRESQL_JSONB
|
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|
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def _get_json_query_type(self, db, column_name: str = "meta") -> str:
|
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"""Legacy method - use adapter instead"""
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adapter = self._get_adapter(db)
|
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db_type = adapter.get_database_type(column_name)
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return db_type.value
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|
|
def check_database_compatibility(self) -> dict:
|
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"""Check database compatibility and available features"""
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try:
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with get_db() as db:
|
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adapter = self._get_adapter(db)
|
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dialect_name = db.bind.dialect.name
|
|
|
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meta_type = adapter.get_database_type("meta")
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chat_type = adapter.get_database_type("chat")
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|
|
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# Build comprehensive compatibility report
|
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compatibility = {
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"database_type": dialect_name,
|
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"json_support": meta_type != DatabaseType.UNSUPPORTED,
|
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"jsonb_support": (
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meta_type == DatabaseType.POSTGRESQL_JSONB
|
|
or chat_type == DatabaseType.POSTGRESQL_JSONB
|
|
),
|
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"gin_indexes_support": dialect_name == "postgresql",
|
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"tag_filtering_support": meta_type != DatabaseType.UNSUPPORTED,
|
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"advanced_search_support": chat_type != DatabaseType.UNSUPPORTED,
|
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"meta_column_type": meta_type.value,
|
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"chat_column_type": chat_type.value,
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"features": [],
|
|
"limitations": [],
|
|
"recommendations": [],
|
|
}
|
|
|
|
# Add database-specific features and limitations
|
|
if dialect_name == "sqlite":
|
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compatibility["features"] = [
|
|
"JSON1 extension",
|
|
"Basic tag filtering",
|
|
"Message search",
|
|
]
|
|
compatibility["limitations"] = [
|
|
"No GIN indexes",
|
|
"Limited JSON optimization",
|
|
]
|
|
elif dialect_name == "postgresql":
|
|
compatibility["features"] = [
|
|
"Full JSON/JSONB support",
|
|
"GIN indexes",
|
|
"Advanced filtering",
|
|
]
|
|
if compatibility["jsonb_support"]:
|
|
compatibility["features"].append(
|
|
"JSONB binary format optimization"
|
|
)
|
|
|
|
return compatibility
|
|
|
|
except Exception as e:
|
|
log.error(f"Error checking database compatibility: {e}")
|
|
return {"error": str(e), "database_type": "unknown"}
|
|
|
|
def create_gin_indexes(self) -> bool:
|
|
"""Create GIN indexes on JSONB columns for better query performance"""
|
|
try:
|
|
with get_db() as db:
|
|
adapter = self._get_adapter(db)
|
|
|
|
# Only PostgreSQL supports GIN indexes
|
|
if db.bind.dialect.name != "postgresql":
|
|
return False
|
|
|
|
meta_type = adapter.get_database_type("meta")
|
|
chat_type = adapter.get_database_type("chat")
|
|
|
|
has_jsonb_meta = meta_type == DatabaseType.POSTGRESQL_JSONB
|
|
has_jsonb_chat = chat_type == DatabaseType.POSTGRESQL_JSONB
|
|
|
|
# Need at least one JSONB column for GIN indexes
|
|
if not (has_jsonb_meta or has_jsonb_chat):
|
|
return False
|
|
|
|
# Create GIN indexes for meta column if it's JSONB
|
|
if has_jsonb_meta:
|
|
try:
|
|
# General meta column index for all JSON operations
|
|
db.execute(
|
|
text(
|
|
"""
|
|
CREATE INDEX IF NOT EXISTS idx_chat_meta_gin
|
|
ON chat USING GIN (meta)
|
|
"""
|
|
)
|
|
)
|
|
# Specific index for tags array operations
|
|
db.execute(
|
|
text(
|
|
"""
|
|
CREATE INDEX IF NOT EXISTS idx_chat_meta_tags_gin
|
|
ON chat USING GIN ((meta->'tags'))
|
|
"""
|
|
)
|
|
)
|
|
# BTREE index for tag existence and count operations
|
|
db.execute(
|
|
text(
|
|
"""
|
|
CREATE INDEX IF NOT EXISTS idx_chat_has_tags
|
|
ON chat USING BTREE ((meta ? 'tags' AND
|
|
jsonb_array_length(meta->'tags') > 0))
|
|
WHERE meta ? 'tags'
|
|
"""
|
|
)
|
|
)
|
|
except Exception:
|
|
# Continue if some indexes fail - partial optimization is better than none
|
|
pass
|
|
|
|
# Create GIN indexes for chat column if it's JSONB
|
|
if has_jsonb_chat:
|
|
try:
|
|
# General chat content index for all operations
|
|
db.execute(
|
|
text(
|
|
"""
|
|
CREATE INDEX IF NOT EXISTS idx_chat_chat_gin
|
|
ON chat USING GIN (chat)
|
|
"""
|
|
)
|
|
)
|
|
# Specific index for message search operations
|
|
db.execute(
|
|
text(
|
|
"""
|
|
CREATE INDEX IF NOT EXISTS idx_chat_messages_gin
|
|
ON chat USING GIN ((chat->'messages'))
|
|
"""
|
|
)
|
|
)
|
|
except Exception:
|
|
# Continue if some indexes fail
|
|
pass
|
|
|
|
# Commit all index creations
|
|
db.commit()
|
|
return True
|
|
|
|
except Exception:
|
|
return False
|
|
|
|
def check_gin_indexes(self) -> dict:
|
|
"""
|
|
Check which GIN indexes exist on the chat table.
|
|
Returns a dictionary with index names and their status.
|
|
"""
|
|
try:
|
|
with get_db() as db:
|
|
if db.bind.dialect.name != "postgresql":
|
|
return {"error": "GIN indexes are only supported on PostgreSQL"}
|
|
|
|
# Query PostgreSQL system catalog for GIN indexes on chat table
|
|
result = db.execute(
|
|
text(
|
|
"""
|
|
SELECT indexname, indexdef
|
|
FROM pg_indexes
|
|
WHERE tablename = 'chat'
|
|
AND indexdef LIKE '%USING gin%'
|
|
"""
|
|
)
|
|
)
|
|
|
|
# Process existing indexes
|
|
indexes = {}
|
|
for row in result:
|
|
indexes[row[0]] = {"exists": True, "definition": row[1]}
|
|
|
|
# Check for all expected indexes
|
|
expected_indexes = [
|
|
"idx_chat_meta_gin",
|
|
"idx_chat_chat_gin",
|
|
"idx_chat_meta_tags_gin",
|
|
"idx_chat_has_tags",
|
|
"idx_chat_tag_count",
|
|
"idx_chat_json_tags",
|
|
"idx_chat_messages_gin",
|
|
]
|
|
|
|
# Mark missing indexes
|
|
for idx_name in expected_indexes:
|
|
if idx_name not in indexes:
|
|
indexes[idx_name] = {"exists": False}
|
|
|
|
return indexes
|
|
|
|
except Exception as e:
|
|
log.error(f"Error checking GIN indexes: {e}")
|
|
return {"error": str(e)}
|
|
|
|
def drop_gin_indexes(self) -> bool:
|
|
"""Drop all GIN indexes on the chat table"""
|
|
try:
|
|
with get_db() as db:
|
|
if db.bind.dialect.name != "postgresql":
|
|
return False
|
|
|
|
# List of all indexes that might have been created
|
|
indexes_to_drop = [
|
|
"idx_chat_meta_gin",
|
|
"idx_chat_chat_gin",
|
|
"idx_chat_meta_tags_gin",
|
|
"idx_chat_has_tags",
|
|
"idx_chat_tag_count",
|
|
"idx_chat_json_tags",
|
|
"idx_chat_messages_gin",
|
|
]
|
|
|
|
# Drop each index with CONCURRENTLY to avoid blocking
|
|
for idx_name in indexes_to_drop:
|
|
try:
|
|
db.execute(
|
|
text(f"DROP INDEX CONCURRENTLY IF EXISTS {idx_name}")
|
|
)
|
|
except Exception:
|
|
# Continue dropping other indexes even if one fails
|
|
pass
|
|
|
|
db.commit()
|
|
return True
|
|
|
|
except Exception:
|
|
return False
|
|
|
|
def create_tag_indexes(self) -> bool:
|
|
"""
|
|
Create specialized indexes optimized specifically for tag operations.
|
|
This includes both GIN and BTREE indexes for different tag query patterns.
|
|
"""
|
|
try:
|
|
with get_db() as db:
|
|
if db.bind.dialect.name != "postgresql":
|
|
log.info("Tag indexes are only supported on PostgreSQL")
|
|
return False
|
|
|
|
has_jsonb_meta = self._is_jsonb_column(db, "meta")
|
|
indexes_created = []
|
|
|
|
if has_jsonb_meta:
|
|
# JSONB-specific tag indexes for optimal performance
|
|
tag_indexes = [
|
|
{
|
|
"name": "idx_chat_meta_tags_gin",
|
|
"sql": (
|
|
"CREATE INDEX CONCURRENTLY IF NOT EXISTS "
|
|
"idx_chat_meta_tags_gin ON chat USING GIN ((meta->'tags'))"
|
|
),
|
|
"purpose": "Fast tag containment queries (@>, ?, etc.)",
|
|
},
|
|
{
|
|
"name": "idx_chat_has_tags",
|
|
"sql": (
|
|
"CREATE INDEX CONCURRENTLY IF NOT EXISTS idx_chat_has_tags "
|
|
"ON chat USING BTREE ((meta ? 'tags' AND "
|
|
"jsonb_array_length(meta->'tags') > 0)) WHERE meta ? 'tags'"
|
|
),
|
|
"purpose": "Fast filtering for chats with/without tags",
|
|
},
|
|
{
|
|
"name": "idx_chat_tag_count",
|
|
"sql": (
|
|
"CREATE INDEX CONCURRENTLY IF NOT EXISTS idx_chat_tag_count "
|
|
"ON chat USING BTREE ((jsonb_array_length(meta->'tags'))) "
|
|
"WHERE meta ? 'tags'"
|
|
),
|
|
"purpose": "Fast filtering by number of tags",
|
|
},
|
|
{
|
|
"name": "idx_chat_specific_tags",
|
|
"sql": (
|
|
"CREATE INDEX CONCURRENTLY IF NOT EXISTS "
|
|
"idx_chat_specific_tags ON chat USING GIN ((meta->'tags')) "
|
|
"WHERE jsonb_array_length(meta->'tags') > 0"
|
|
),
|
|
"purpose": "Optimized for chats that actually have tags",
|
|
},
|
|
]
|
|
else:
|
|
# JSON-specific tag indexes (less optimal but still helpful)
|
|
tag_indexes = [
|
|
{
|
|
"name": "idx_chat_json_tags",
|
|
"sql": (
|
|
"CREATE INDEX CONCURRENTLY IF NOT EXISTS "
|
|
"idx_chat_json_tags ON chat USING GIN ((meta->'tags')) "
|
|
"WHERE meta ? 'tags'"
|
|
),
|
|
"purpose": "Tag queries for JSON columns",
|
|
}
|
|
]
|
|
|
|
# Create each index with error handling
|
|
for index_info in tag_indexes:
|
|
try:
|
|
db.execute(text(index_info["sql"]))
|
|
indexes_created.append(
|
|
f"{index_info['name']} ({index_info['purpose']})"
|
|
)
|
|
log.info(f"Created tag index: {index_info['name']}")
|
|
except Exception as e:
|
|
log.warning(f"Failed to create {index_info['name']}: {e}")
|
|
|
|
db.commit()
|
|
|
|
# Log results
|
|
if indexes_created:
|
|
log.info(
|
|
f"Successfully created tag indexes: {len(indexes_created)} indexes"
|
|
)
|
|
for idx in indexes_created:
|
|
log.info(f" • {idx}")
|
|
else:
|
|
log.info("No tag indexes were created")
|
|
|
|
return True
|
|
|
|
except Exception as e:
|
|
log.error(f"Error creating tag indexes: {e}")
|
|
return False
|
|
|
|
def optimize_tag_queries(self) -> dict:
|
|
"""
|
|
Analyze and provide recommendations for tag query optimization.
|
|
Returns statistics and suggestions for improving tag query performance.
|
|
"""
|
|
try:
|
|
with get_db() as db:
|
|
if db.bind.dialect.name != "postgresql":
|
|
return {"error": "Tag optimization is only supported on PostgreSQL"}
|
|
|
|
stats = {}
|
|
|
|
# Get comprehensive tag usage statistics
|
|
result = db.execute(
|
|
text(
|
|
"""
|
|
SELECT
|
|
COUNT(*) as total_chats,
|
|
COUNT(*) FILTER (WHERE meta ? 'tags') as chats_with_tags,
|
|
COUNT(*) FILTER (WHERE meta ? 'tags' AND
|
|
jsonb_array_length(meta->'tags') > 0) as chats_with_actual_tags,
|
|
AVG(CASE WHEN meta ? 'tags' THEN
|
|
jsonb_array_length(meta->'tags') ELSE 0 END) as avg_tags_per_chat
|
|
FROM chat
|
|
"""
|
|
)
|
|
)
|
|
|
|
row = result.fetchone()
|
|
if row:
|
|
stats.update(
|
|
{
|
|
"total_chats": row[0],
|
|
"chats_with_tags": row[1],
|
|
"chats_with_actual_tags": row[2],
|
|
"avg_tags_per_chat": float(row[3]) if row[3] else 0,
|
|
}
|
|
)
|
|
|
|
# Get most frequently used tags for optimization insights
|
|
result = db.execute(
|
|
text(
|
|
"""
|
|
SELECT tag_value, COUNT(*) as usage_count
|
|
FROM chat, jsonb_array_elements_text(meta->'tags') as tag_value
|
|
WHERE meta ? 'tags'
|
|
GROUP BY tag_value
|
|
ORDER BY usage_count DESC
|
|
LIMIT 10
|
|
"""
|
|
)
|
|
)
|
|
|
|
stats["top_tags"] = [{"tag": row[0], "count": row[1]} for row in result]
|
|
|
|
# Check current index status for recommendations
|
|
indexes = self.check_gin_indexes()
|
|
tag_indexes = {k: v for k, v in indexes.items() if "tag" in k.lower()}
|
|
stats["tag_indexes"] = tag_indexes
|
|
|
|
# Generate intelligent recommendations based on usage patterns
|
|
recommendations = []
|
|
|
|
if stats["chats_with_actual_tags"] > 1000:
|
|
recommendations.append(
|
|
"Consider creating tag-specific indexes for better performance"
|
|
)
|
|
|
|
if stats["avg_tags_per_chat"] > 5:
|
|
recommendations.append(
|
|
"High tag usage detected - GIN indexes will provide "
|
|
"significant benefits"
|
|
)
|
|
|
|
tag_coverage = (
|
|
stats["chats_with_actual_tags"] / stats["total_chats"]
|
|
if stats["total_chats"] > 0
|
|
else 0
|
|
)
|
|
if tag_coverage < 0.1:
|
|
recommendations.append(
|
|
"Low tag usage - consider partial indexes with WHERE clauses"
|
|
)
|
|
|
|
stats["recommendations"] = recommendations
|
|
stats["tag_coverage_percentage"] = round(tag_coverage * 100, 2)
|
|
|
|
return stats
|
|
|
|
except Exception as e:
|
|
log.error(f"Error analyzing tag queries: {e}")
|
|
return {"error": str(e)}
|
|
|
|
def insert_new_chat(self, user_id: str, form_data: ChatForm) -> Optional[ChatModel]:
|
|
with get_db() as db:
|
|
id = str(uuid.uuid4())
|
|
chat = ChatModel(
|
|
**{
|
|
"id": id,
|
|
"user_id": user_id,
|
|
"title": (
|
|
form_data.chat["title"]
|
|
if "title" in form_data.chat
|
|
else "New Chat"
|
|
),
|
|
"chat": form_data.chat,
|
|
"created_at": int(time.time()),
|
|
"updated_at": int(time.time()),
|
|
}
|
|
)
|
|
|
|
result = Chat(**chat.model_dump())
|
|
db.add(result)
|
|
db.commit()
|
|
db.refresh(result)
|
|
return ChatModel.model_validate(result) if result else None
|
|
|
|
def import_chat(
|
|
self, user_id: str, form_data: ChatImportForm
|
|
) -> Optional[ChatModel]:
|
|
with get_db() as db:
|
|
id = str(uuid.uuid4())
|
|
chat = ChatModel(
|
|
**{
|
|
"id": id,
|
|
"user_id": user_id,
|
|
"title": (
|
|
form_data.chat["title"]
|
|
if "title" in form_data.chat
|
|
else "New Chat"
|
|
),
|
|
"chat": form_data.chat,
|
|
"meta": form_data.meta,
|
|
"pinned": form_data.pinned,
|
|
"folder_id": form_data.folder_id,
|
|
"created_at": int(time.time()),
|
|
"updated_at": int(time.time()),
|
|
}
|
|
)
|
|
|
|
result = Chat(**chat.model_dump())
|
|
db.add(result)
|
|
db.commit()
|
|
db.refresh(result)
|
|
return ChatModel.model_validate(result) if result else None
|
|
|
|
def update_chat_by_id(self, id: str, chat: dict) -> Optional[ChatModel]:
|
|
try:
|
|
with get_db() as db:
|
|
chat_item = db.get(Chat, id)
|
|
chat_item.chat = chat
|
|
chat_item.title = chat["title"] if "title" in chat else "New Chat"
|
|
chat_item.updated_at = int(time.time())
|
|
db.commit()
|
|
db.refresh(chat_item)
|
|
|
|
return ChatModel.model_validate(chat_item)
|
|
except Exception:
|
|
return None
|
|
|
|
def update_chat_title_by_id(self, id: str, title: str) -> Optional[ChatModel]:
|
|
chat = self.get_chat_by_id(id)
|
|
if chat is None:
|
|
return None
|
|
|
|
chat = chat.chat
|
|
chat["title"] = title
|
|
|
|
return self.update_chat_by_id(id, chat)
|
|
|
|
def update_chat_tags_by_id(
|
|
self, id: str, tags: list[str], user
|
|
) -> Optional[ChatModel]:
|
|
chat = self.get_chat_by_id(id)
|
|
if chat is None:
|
|
return None
|
|
|
|
# Remove all existing tags from this chat
|
|
self.delete_all_tags_by_id_and_user_id(id, user.id)
|
|
|
|
# Clean up orphaned tags (tags no longer used by any chat)
|
|
for tag in chat.meta.get("tags", []):
|
|
if self.count_chats_by_tag_name_and_user_id(tag, user.id) == 0:
|
|
Tags.delete_tag_by_name_and_user_id(tag, user.id)
|
|
|
|
# Add new tags to the chat
|
|
for tag_name in tags:
|
|
if tag_name.lower() == "none":
|
|
continue
|
|
|
|
self.add_chat_tag_by_id_and_user_id_and_tag_name(id, user.id, tag_name)
|
|
return self.get_chat_by_id(id)
|
|
|
|
def get_chat_title_by_id(self, id: str) -> Optional[str]:
|
|
chat = self.get_chat_by_id(id)
|
|
if chat is None:
|
|
return None
|
|
|
|
return chat.chat.get("title", "New Chat")
|
|
|
|
def get_messages_by_chat_id(self, id: str) -> Optional[dict]:
|
|
chat = self.get_chat_by_id(id)
|
|
if chat is None:
|
|
return None
|
|
|
|
return chat.chat.get("history", {}).get("messages", {}) or {}
|
|
|
|
def get_message_by_id_and_message_id(
|
|
self, id: str, message_id: str
|
|
) -> Optional[dict]:
|
|
chat = self.get_chat_by_id(id)
|
|
if chat is None:
|
|
return None
|
|
|
|
return chat.chat.get("history", {}).get("messages", {}).get(message_id, {})
|
|
|
|
def upsert_message_to_chat_by_id_and_message_id(
|
|
self, id: str, message_id: str, message: dict
|
|
) -> Optional[ChatModel]:
|
|
chat = self.get_chat_by_id(id)
|
|
if chat is None:
|
|
return None
|
|
|
|
chat = chat.chat
|
|
history = chat.get("history", {})
|
|
|
|
# Upsert the message (merge with existing or create new)
|
|
if message_id in history.get("messages", {}):
|
|
history["messages"][message_id] = {
|
|
**history["messages"][message_id],
|
|
**message,
|
|
}
|
|
else:
|
|
history["messages"][message_id] = message
|
|
|
|
# Update current message pointer for conversation flow
|
|
history["currentId"] = message_id
|
|
|
|
chat["history"] = history
|
|
return self.update_chat_by_id(id, chat)
|
|
|
|
def add_message_status_to_chat_by_id_and_message_id(
|
|
self, id: str, message_id: str, status: dict
|
|
) -> Optional[ChatModel]:
|
|
chat = self.get_chat_by_id(id)
|
|
if chat is None:
|
|
return None
|
|
|
|
chat = chat.chat
|
|
history = chat.get("history", {})
|
|
|
|
# Add status to message's status history if message exists
|
|
if message_id in history.get("messages", {}):
|
|
status_history = history["messages"][message_id].get("statusHistory", [])
|
|
status_history.append(status)
|
|
history["messages"][message_id]["statusHistory"] = status_history
|
|
|
|
chat["history"] = history
|
|
return self.update_chat_by_id(id, chat)
|
|
|
|
def insert_shared_chat_by_chat_id(self, chat_id: str) -> Optional[ChatModel]:
|
|
with get_db() as db:
|
|
# Get the existing chat to share
|
|
chat = db.get(Chat, chat_id)
|
|
# Check if the chat is already shared
|
|
if chat.share_id:
|
|
return self.get_chat_by_id_and_user_id(chat.share_id, "shared")
|
|
# Create a new chat with the same data, but with a new ID
|
|
shared_chat = ChatModel(
|
|
**{
|
|
"id": str(uuid.uuid4()),
|
|
"user_id": f"shared-{chat_id}",
|
|
"title": chat.title,
|
|
"chat": chat.chat,
|
|
"created_at": chat.created_at,
|
|
"updated_at": int(time.time()),
|
|
}
|
|
)
|
|
shared_result = Chat(**shared_chat.model_dump())
|
|
db.add(shared_result)
|
|
db.commit()
|
|
db.refresh(shared_result)
|
|
|
|
# Update the original chat with the share_id
|
|
result = (
|
|
db.query(Chat)
|
|
.filter_by(id=chat_id)
|
|
.update({"share_id": shared_chat.id})
|
|
)
|
|
db.commit()
|
|
return shared_chat if (shared_result and result) else None
|
|
|
|
def update_shared_chat_by_chat_id(self, chat_id: str) -> Optional[ChatModel]:
|
|
try:
|
|
with get_db() as db:
|
|
chat = db.get(Chat, chat_id)
|
|
shared_chat = (
|
|
db.query(Chat).filter_by(user_id=f"shared-{chat_id}").first()
|
|
)
|
|
|
|
if shared_chat is None:
|
|
return self.insert_shared_chat_by_chat_id(chat_id)
|
|
|
|
shared_chat.title = chat.title
|
|
shared_chat.chat = chat.chat
|
|
|
|
shared_chat.updated_at = int(time.time())
|
|
db.commit()
|
|
db.refresh(shared_chat)
|
|
|
|
return ChatModel.model_validate(shared_chat)
|
|
except Exception:
|
|
return None
|
|
|
|
def delete_shared_chat_by_chat_id(self, chat_id: str) -> bool:
|
|
try:
|
|
with get_db() as db:
|
|
db.query(Chat).filter_by(user_id=f"shared-{chat_id}").delete()
|
|
db.commit()
|
|
|
|
return True
|
|
except Exception:
|
|
return False
|
|
|
|
def update_chat_share_id_by_id(
|
|
self, id: str, share_id: Optional[str]
|
|
) -> Optional[ChatModel]:
|
|
try:
|
|
with get_db() as db:
|
|
chat = db.get(Chat, id)
|
|
chat.share_id = share_id
|
|
db.commit()
|
|
db.refresh(chat)
|
|
return ChatModel.model_validate(chat)
|
|
except Exception:
|
|
return None
|
|
|
|
def toggle_chat_pinned_by_id(self, id: str) -> Optional[ChatModel]:
|
|
try:
|
|
with get_db() as db:
|
|
chat = db.get(Chat, id)
|
|
chat.pinned = not chat.pinned
|
|
chat.updated_at = int(time.time())
|
|
db.commit()
|
|
db.refresh(chat)
|
|
return ChatModel.model_validate(chat)
|
|
except Exception:
|
|
return None
|
|
|
|
def toggle_chat_archive_by_id(self, id: str) -> Optional[ChatModel]:
|
|
try:
|
|
with get_db() as db:
|
|
chat = db.get(Chat, id)
|
|
chat.archived = not chat.archived
|
|
chat.updated_at = int(time.time())
|
|
db.commit()
|
|
db.refresh(chat)
|
|
return ChatModel.model_validate(chat)
|
|
except Exception:
|
|
return None
|
|
|
|
def archive_all_chats_by_user_id(self, user_id: str) -> bool:
|
|
try:
|
|
with get_db() as db:
|
|
db.query(Chat).filter_by(user_id=user_id).update({"archived": True})
|
|
db.commit()
|
|
return True
|
|
except Exception:
|
|
return False
|
|
|
|
def get_archived_chat_list_by_user_id(
|
|
self,
|
|
user_id: str,
|
|
filter: Optional[dict] = None,
|
|
skip: int = 0,
|
|
limit: int = 50,
|
|
) -> list[ChatModel]:
|
|
|
|
with get_db() as db:
|
|
query = db.query(Chat).filter_by(user_id=user_id, archived=True)
|
|
|
|
if filter:
|
|
query_key = filter.get("query")
|
|
if query_key:
|
|
query = query.filter(Chat.title.ilike(f"%{query_key}%"))
|
|
|
|
order_by = filter.get("order_by")
|
|
direction = filter.get("direction")
|
|
|
|
if order_by and direction and getattr(Chat, order_by):
|
|
if direction.lower() == "asc":
|
|
query = query.order_by(getattr(Chat, order_by).asc())
|
|
elif direction.lower() == "desc":
|
|
query = query.order_by(getattr(Chat, order_by).desc())
|
|
else:
|
|
raise ValueError("Invalid direction for ordering")
|
|
else:
|
|
query = query.order_by(Chat.updated_at.desc())
|
|
|
|
if skip:
|
|
query = query.offset(skip)
|
|
if limit:
|
|
query = query.limit(limit)
|
|
|
|
all_chats = query.all()
|
|
return [ChatModel.model_validate(chat) for chat in all_chats]
|
|
|
|
def get_chat_list_by_user_id(
|
|
self,
|
|
user_id: str,
|
|
include_archived: bool = False,
|
|
filter: Optional[dict] = None,
|
|
skip: int = 0,
|
|
limit: int = 50,
|
|
) -> list[ChatModel]:
|
|
with get_db() as db:
|
|
query = db.query(Chat).filter_by(user_id=user_id)
|
|
if not include_archived:
|
|
query = query.filter_by(archived=False)
|
|
|
|
if filter:
|
|
query_key = filter.get("query")
|
|
if query_key:
|
|
query = query.filter(Chat.title.ilike(f"%{query_key}%"))
|
|
|
|
order_by = filter.get("order_by")
|
|
direction = filter.get("direction")
|
|
|
|
if order_by and direction and getattr(Chat, order_by):
|
|
if direction.lower() == "asc":
|
|
query = query.order_by(getattr(Chat, order_by).asc())
|
|
elif direction.lower() == "desc":
|
|
query = query.order_by(getattr(Chat, order_by).desc())
|
|
else:
|
|
raise ValueError("Invalid direction for ordering")
|
|
else:
|
|
query = query.order_by(Chat.updated_at.desc())
|
|
|
|
if skip:
|
|
query = query.offset(skip)
|
|
if limit:
|
|
query = query.limit(limit)
|
|
|
|
all_chats = query.all()
|
|
return [ChatModel.model_validate(chat) for chat in all_chats]
|
|
|
|
def get_chat_title_id_list_by_user_id(
|
|
self,
|
|
user_id: str,
|
|
include_archived: bool = False,
|
|
skip: Optional[int] = None,
|
|
limit: Optional[int] = None,
|
|
) -> list[ChatTitleIdResponse]:
|
|
with get_db() as db:
|
|
query = db.query(Chat).filter_by(user_id=user_id).filter_by(folder_id=None)
|
|
query = query.filter(or_(Chat.pinned == False, Chat.pinned == None))
|
|
|
|
if not include_archived:
|
|
query = query.filter_by(archived=False)
|
|
|
|
query = query.order_by(Chat.updated_at.desc()).with_entities(
|
|
Chat.id, Chat.title, Chat.updated_at, Chat.created_at
|
|
)
|
|
|
|
if skip:
|
|
query = query.offset(skip)
|
|
if limit:
|
|
query = query.limit(limit)
|
|
|
|
all_chats = query.all()
|
|
|
|
# result has to be destructured from sqlalchemy `row` and mapped to a dict
|
|
# since the `ChatModel` is not the returned dataclass.
|
|
return [
|
|
ChatTitleIdResponse.model_validate(
|
|
{
|
|
"id": chat[0],
|
|
"title": chat[1],
|
|
"updated_at": chat[2],
|
|
"created_at": chat[3],
|
|
}
|
|
)
|
|
for chat in all_chats
|
|
]
|
|
|
|
def get_chat_list_by_chat_ids(
|
|
self, chat_ids: list[str], skip: int = 0, limit: int = 50
|
|
) -> list[ChatModel]:
|
|
with get_db() as db:
|
|
all_chats = (
|
|
db.query(Chat)
|
|
.filter(Chat.id.in_(chat_ids))
|
|
.filter_by(archived=False)
|
|
.order_by(Chat.updated_at.desc())
|
|
.all()
|
|
)
|
|
return [ChatModel.model_validate(chat) for chat in all_chats]
|
|
|
|
def get_chat_by_id(self, id: str) -> Optional[ChatModel]:
|
|
try:
|
|
with get_db() as db:
|
|
chat = db.get(Chat, id)
|
|
return ChatModel.model_validate(chat)
|
|
except Exception:
|
|
return None
|
|
|
|
def get_chat_by_share_id(self, id: str) -> Optional[ChatModel]:
|
|
try:
|
|
with get_db() as db:
|
|
# it is possible that the shared link was deleted. hence,
|
|
# we check if the chat is still shared by checking if a chat with
|
|
# the share_id exists
|
|
chat = db.query(Chat).filter_by(share_id=id).first()
|
|
|
|
if chat:
|
|
return self.get_chat_by_id(id)
|
|
else:
|
|
return None
|
|
except Exception:
|
|
return None
|
|
|
|
def get_chat_by_id_and_user_id(self, id: str, user_id: str) -> Optional[ChatModel]:
|
|
try:
|
|
with get_db() as db:
|
|
chat = db.query(Chat).filter_by(id=id, user_id=user_id).first()
|
|
return ChatModel.model_validate(chat)
|
|
except Exception:
|
|
return None
|
|
|
|
def get_chats(self, skip: int = 0, limit: int = 50) -> list[ChatModel]:
|
|
with get_db() as db:
|
|
all_chats = (
|
|
db.query(Chat)
|
|
.order_by(Chat.updated_at.desc())
|
|
.offset(skip)
|
|
.limit(limit)
|
|
.all()
|
|
)
|
|
return [ChatModel.model_validate(chat) for chat in all_chats]
|
|
|
|
def get_chats_by_user_id(self, user_id: str) -> list[ChatModel]:
|
|
with get_db() as db:
|
|
all_chats = (
|
|
db.query(Chat)
|
|
.filter_by(user_id=user_id)
|
|
.order_by(Chat.updated_at.desc())
|
|
)
|
|
return [ChatModel.model_validate(chat) for chat in all_chats]
|
|
|
|
def get_pinned_chats_by_user_id(self, user_id: str) -> list[ChatModel]:
|
|
with get_db() as db:
|
|
all_chats = (
|
|
db.query(Chat)
|
|
.filter_by(user_id=user_id, pinned=True, archived=False)
|
|
.order_by(Chat.updated_at.desc())
|
|
)
|
|
return [ChatModel.model_validate(chat) for chat in all_chats]
|
|
|
|
def get_archived_chats_by_user_id(self, user_id: str) -> list[ChatModel]:
|
|
with get_db() as db:
|
|
all_chats = (
|
|
db.query(Chat)
|
|
.filter_by(user_id=user_id, archived=True)
|
|
.order_by(Chat.updated_at.desc())
|
|
)
|
|
return [ChatModel.model_validate(chat) for chat in all_chats]
|
|
|
|
def get_chats_by_user_id_and_search_text(
|
|
self,
|
|
user_id: str,
|
|
search_text: str,
|
|
include_archived: bool = False,
|
|
skip: int = 0,
|
|
limit: int = 60,
|
|
) -> list[ChatModel]:
|
|
"""
|
|
Filters chats based on a search query using Python, allowing pagination
|
|
using skip and limit.
|
|
"""
|
|
search_text = search_text.lower().strip()
|
|
|
|
if not search_text:
|
|
return self.get_chat_list_by_user_id(
|
|
user_id, include_archived, filter={}, skip=skip, limit=limit
|
|
)
|
|
|
|
search_text_words = search_text.split(" ")
|
|
|
|
# search_text might contain 'tag:tag_name' format so we need to extract
|
|
# the tag_name, split the search_text and remove the tags
|
|
tag_ids = [
|
|
normalize_tag_name(word.replace("tag:", ""))
|
|
for word in search_text_words
|
|
if word.startswith("tag:")
|
|
]
|
|
|
|
search_text_words = [
|
|
word for word in search_text_words if not word.startswith("tag:")
|
|
]
|
|
|
|
search_text = " ".join(search_text_words)
|
|
|
|
with get_db() as db:
|
|
query = db.query(Chat).filter(Chat.user_id == user_id)
|
|
|
|
if not include_archived:
|
|
query = query.filter(Chat.archived == False)
|
|
|
|
query = query.order_by(Chat.updated_at.desc())
|
|
|
|
# Use adapter for cleaner query building
|
|
adapter = self._get_adapter(db)
|
|
|
|
# Add search filter if search text provided
|
|
if search_text:
|
|
search_filter = adapter.build_search_filter(search_text)
|
|
if search_filter is not None:
|
|
query = query.filter(
|
|
Chat.title.ilike(f"%{search_text}%") | search_filter
|
|
)
|
|
else:
|
|
# Fallback to title-only search for unsupported databases
|
|
query = query.filter(Chat.title.ilike(f"%{search_text}%"))
|
|
|
|
# Add tag filters
|
|
if "none" in tag_ids:
|
|
untagged_filter = adapter.build_untagged_filter("meta")
|
|
if untagged_filter is not None:
|
|
query = query.filter(untagged_filter)
|
|
elif tag_ids:
|
|
tag_filter = adapter.build_tag_filter("meta", tag_ids, match_all=True)
|
|
if tag_filter is not None:
|
|
query = query.filter(tag_filter)
|
|
|
|
# Perform pagination at the SQL level
|
|
all_chats = query.offset(skip).limit(limit).all()
|
|
|
|
# Validate and return chats
|
|
return [ChatModel.model_validate(chat) for chat in all_chats]
|
|
|
|
def get_chats_by_folder_id_and_user_id(
|
|
self, folder_id: str, user_id: str
|
|
) -> list[ChatModel]:
|
|
with get_db() as db:
|
|
query = db.query(Chat).filter_by(folder_id=folder_id, user_id=user_id)
|
|
query = query.filter(or_(Chat.pinned == False, Chat.pinned == None))
|
|
query = query.filter_by(archived=False)
|
|
|
|
query = query.order_by(Chat.updated_at.desc())
|
|
|
|
all_chats = query.all()
|
|
return [ChatModel.model_validate(chat) for chat in all_chats]
|
|
|
|
def get_chats_by_folder_ids_and_user_id(
|
|
self, folder_ids: list[str], user_id: str
|
|
) -> list[ChatModel]:
|
|
with get_db() as db:
|
|
query = db.query(Chat).filter(
|
|
Chat.folder_id.in_(folder_ids), Chat.user_id == user_id
|
|
)
|
|
query = query.filter(or_(Chat.pinned == False, Chat.pinned == None))
|
|
query = query.filter_by(archived=False)
|
|
|
|
query = query.order_by(Chat.updated_at.desc())
|
|
|
|
all_chats = query.all()
|
|
return [ChatModel.model_validate(chat) for chat in all_chats]
|
|
|
|
def update_chat_folder_id_by_id_and_user_id(
|
|
self, id: str, user_id: str, folder_id: str
|
|
) -> Optional[ChatModel]:
|
|
try:
|
|
with get_db() as db:
|
|
chat = db.get(Chat, id)
|
|
chat.folder_id = folder_id
|
|
chat.updated_at = int(time.time())
|
|
chat.pinned = False
|
|
db.commit()
|
|
db.refresh(chat)
|
|
return ChatModel.model_validate(chat)
|
|
except Exception:
|
|
return None
|
|
|
|
def get_chat_tags_by_id_and_user_id(self, id: str, user_id: str) -> list[TagModel]:
|
|
with get_db() as db:
|
|
chat = db.get(Chat, id)
|
|
tags = chat.meta.get("tags", [])
|
|
return [Tags.get_tag_by_name_and_user_id(tag, user_id) for tag in tags]
|
|
|
|
def get_chat_list_by_user_id_and_tag_name(
|
|
self, user_id: str, tag_name: str, skip: int = 0, limit: int = 50
|
|
) -> list[ChatModel]:
|
|
with get_db() as db:
|
|
adapter = self._get_adapter(db)
|
|
query = db.query(Chat).filter_by(user_id=user_id)
|
|
tag_id = normalize_tag_name(tag_name)
|
|
|
|
# Use adapter to build tag filter
|
|
tag_filter = adapter.build_tag_filter("meta", [tag_id], match_all=True)
|
|
if tag_filter is not None:
|
|
query = query.filter(tag_filter)
|
|
all_chats = query.all()
|
|
return [ChatModel.model_validate(chat) for chat in all_chats]
|
|
else:
|
|
return []
|
|
|
|
def get_chats_by_multiple_tags(
|
|
self,
|
|
user_id: str,
|
|
tag_names: List[str],
|
|
match_all: bool = True,
|
|
skip: int = 0,
|
|
limit: int = 50,
|
|
) -> list[ChatModel]:
|
|
"""Get chats that match multiple tags"""
|
|
with get_db() as db:
|
|
adapter = self._get_adapter(db)
|
|
query = db.query(Chat).filter_by(user_id=user_id, archived=False)
|
|
|
|
if not tag_names:
|
|
return []
|
|
|
|
# Normalize tag names
|
|
tag_ids = normalize_tag_names(tag_names)
|
|
|
|
# Use adapter to build tag filter
|
|
tag_filter = adapter.build_tag_filter("meta", tag_ids, match_all=match_all)
|
|
if tag_filter is not None:
|
|
query = query.filter(tag_filter)
|
|
# Apply pagination and ordering
|
|
query = query.order_by(Chat.updated_at.desc()).offset(skip).limit(limit)
|
|
all_chats = query.all()
|
|
return [ChatModel.model_validate(chat) for chat in all_chats]
|
|
else:
|
|
return []
|
|
|
|
def get_chats_without_tags(
|
|
self, user_id: str, skip: int = 0, limit: int = 50
|
|
) -> list[ChatModel]:
|
|
"""Get chats that have no tags"""
|
|
with get_db() as db:
|
|
adapter = self._get_adapter(db)
|
|
query = db.query(Chat).filter_by(user_id=user_id, archived=False)
|
|
|
|
# Use adapter to build untagged filter
|
|
untagged_filter = adapter.build_untagged_filter("meta")
|
|
if untagged_filter is not None:
|
|
query = query.filter(untagged_filter)
|
|
query = query.order_by(Chat.updated_at.desc()).offset(skip).limit(limit)
|
|
all_chats = query.all()
|
|
return [ChatModel.model_validate(chat) for chat in all_chats]
|
|
else:
|
|
return []
|
|
|
|
def add_chat_tag_by_id_and_user_id_and_tag_name(
|
|
self, id: str, user_id: str, tag_name: str
|
|
) -> Optional[ChatModel]:
|
|
tag = Tags.get_tag_by_name_and_user_id(tag_name, user_id)
|
|
if tag is None:
|
|
tag = Tags.insert_new_tag(tag_name, user_id)
|
|
try:
|
|
with get_db() as db:
|
|
chat = db.get(Chat, id)
|
|
|
|
tag_id = tag.id
|
|
if tag_id not in chat.meta.get("tags", []):
|
|
chat.meta = {
|
|
**chat.meta,
|
|
"tags": list(set(chat.meta.get("tags", []) + [tag_id])),
|
|
}
|
|
|
|
db.commit()
|
|
db.refresh(chat)
|
|
return ChatModel.model_validate(chat)
|
|
except Exception:
|
|
return None
|
|
|
|
def count_chats_by_tag_name_and_user_id(self, tag_name: str, user_id: str) -> int:
|
|
with get_db() as db:
|
|
adapter = self._get_adapter(db)
|
|
query = db.query(Chat).filter_by(user_id=user_id, archived=False)
|
|
|
|
# Normalize the tag_name for consistency
|
|
tag_id = normalize_tag_name(tag_name)
|
|
|
|
# Use adapter to build tag filter
|
|
tag_filter = adapter.build_tag_filter("meta", [tag_id], match_all=True)
|
|
if tag_filter is not None:
|
|
query = query.filter(tag_filter)
|
|
return query.count()
|
|
else:
|
|
return 0
|
|
|
|
def delete_tag_by_id_and_user_id_and_tag_name(
|
|
self, id: str, user_id: str, tag_name: str
|
|
) -> bool:
|
|
try:
|
|
with get_db() as db:
|
|
chat = db.get(Chat, id)
|
|
tags = chat.meta.get("tags", [])
|
|
tag_id = normalize_tag_name(tag_name)
|
|
|
|
tags = [tag for tag in tags if tag != tag_id]
|
|
chat.meta = {
|
|
**chat.meta,
|
|
"tags": list(set(tags)),
|
|
}
|
|
db.commit()
|
|
return True
|
|
except Exception:
|
|
return False
|
|
|
|
def delete_all_tags_by_id_and_user_id(self, id: str, user_id: str) -> bool:
|
|
try:
|
|
with get_db() as db:
|
|
chat = db.get(Chat, id)
|
|
chat.meta = {
|
|
**chat.meta,
|
|
"tags": [],
|
|
}
|
|
db.commit()
|
|
|
|
return True
|
|
except Exception:
|
|
return False
|
|
|
|
def delete_chat_by_id(self, id: str) -> bool:
|
|
try:
|
|
with get_db() as db:
|
|
db.query(Chat).filter_by(id=id).delete()
|
|
db.commit()
|
|
|
|
return True and self.delete_shared_chat_by_chat_id(id)
|
|
except Exception:
|
|
return False
|
|
|
|
def delete_chat_by_id_and_user_id(self, id: str, user_id: str) -> bool:
|
|
try:
|
|
with get_db() as db:
|
|
db.query(Chat).filter_by(id=id, user_id=user_id).delete()
|
|
db.commit()
|
|
|
|
return True and self.delete_shared_chat_by_chat_id(id)
|
|
except Exception:
|
|
return False
|
|
|
|
def delete_chats_by_user_id(self, user_id: str) -> bool:
|
|
try:
|
|
with get_db() as db:
|
|
self.delete_shared_chats_by_user_id(user_id)
|
|
|
|
db.query(Chat).filter_by(user_id=user_id).delete()
|
|
db.commit()
|
|
|
|
return True
|
|
except Exception:
|
|
return False
|
|
|
|
def delete_chats_by_user_id_and_folder_id(
|
|
self, user_id: str, folder_id: str
|
|
) -> bool:
|
|
try:
|
|
with get_db() as db:
|
|
db.query(Chat).filter_by(user_id=user_id, folder_id=folder_id).delete()
|
|
db.commit()
|
|
|
|
return True
|
|
except Exception:
|
|
return False
|
|
|
|
def delete_shared_chats_by_user_id(self, user_id: str) -> bool:
|
|
try:
|
|
with get_db() as db:
|
|
chats_by_user = db.query(Chat).filter_by(user_id=user_id).all()
|
|
shared_chat_ids = [f"shared-{chat.id}" for chat in chats_by_user]
|
|
|
|
db.query(Chat).filter(Chat.user_id.in_(shared_chat_ids)).delete()
|
|
db.commit()
|
|
|
|
return True
|
|
except Exception:
|
|
return False
|
|
|
|
|
|
Chats = ChatTable()
|