884 lines
33 KiB
Python
884 lines
33 KiB
Python
#!/usr/bin/env python3
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"""
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InsightFlow Database Manager - Phase 5
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处理项目、实体、关系的持久化
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支持实体属性扩展
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"""
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import os
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import json
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import sqlite3
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import uuid
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from datetime import datetime
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from typing import List, Dict, Optional, Tuple
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from dataclasses import dataclass
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DB_PATH = os.getenv("DB_PATH", "/app/data/insightflow.db")
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@dataclass
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class Project:
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id: str
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name: str
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description: str = ""
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created_at: str = ""
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updated_at: str = ""
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@dataclass
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class Entity:
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id: str
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project_id: str
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name: str
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type: str
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definition: str = ""
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canonical_name: str = ""
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aliases: List[str] = None
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embedding: str = "" # Phase 3: 实体嵌入向量
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attributes: Dict = None # Phase 5: 实体属性
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created_at: str = ""
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updated_at: str = ""
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def __post_init__(self):
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if self.aliases is None:
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self.aliases = []
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if self.attributes is None:
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self.attributes = {}
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@dataclass
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class AttributeTemplate:
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"""属性模板定义"""
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id: str
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project_id: str
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name: str
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type: str # text, number, date, select, multiselect, boolean
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options: List[str] = None # 用于 select/multiselect
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default_value: str = ""
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description: str = ""
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is_required: bool = False
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sort_order: int = 0
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created_at: str = ""
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updated_at: str = ""
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def __post_init__(self):
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if self.options is None:
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self.options = []
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@dataclass
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class EntityAttribute:
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"""实体属性值"""
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id: str
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entity_id: str
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template_id: str
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value: str
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template_name: str = "" # 关联查询时填充
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template_type: str = "" # 关联查询时填充
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created_at: str = ""
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updated_at: str = ""
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@dataclass
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class AttributeHistory:
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"""属性变更历史"""
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id: str
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entity_id: str
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template_id: str
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template_name: str = ""
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old_value: str = ""
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new_value: str = ""
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changed_by: str = ""
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changed_at: str = ""
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change_reason: str = ""
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@dataclass
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class EntityMention:
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id: str
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entity_id: str
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transcript_id: str
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start_pos: int
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end_pos: int
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text_snippet: str
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confidence: float = 1.0
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class DatabaseManager:
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def __init__(self, db_path: str = DB_PATH):
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self.db_path = db_path
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os.makedirs(os.path.dirname(db_path), exist_ok=True)
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self.init_db()
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def get_conn(self):
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conn = sqlite3.connect(self.db_path)
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conn.row_factory = sqlite3.Row
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return conn
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def init_db(self):
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"""初始化数据库表"""
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with open(os.path.join(os.path.dirname(__file__), 'schema.sql'), 'r') as f:
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schema = f.read()
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conn = self.get_conn()
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conn.executescript(schema)
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conn.commit()
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conn.close()
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# ==================== Project Operations ====================
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def create_project(self, project_id: str, name: str, description: str = "") -> Project:
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conn = self.get_conn()
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now = datetime.now().isoformat()
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conn.execute(
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"INSERT INTO projects (id, name, description, created_at, updated_at) VALUES (?, ?, ?, ?, ?)",
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(project_id, name, description, now, now)
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)
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conn.commit()
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conn.close()
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return Project(id=project_id, name=name, description=description, created_at=now, updated_at=now)
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def get_project(self, project_id: str) -> Optional[Project]:
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conn = self.get_conn()
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row = conn.execute("SELECT * FROM projects WHERE id = ?", (project_id,)).fetchone()
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conn.close()
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if row:
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return Project(**dict(row))
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return None
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def list_projects(self) -> List[Project]:
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conn = self.get_conn()
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rows = conn.execute("SELECT * FROM projects ORDER BY updated_at DESC").fetchall()
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conn.close()
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return [Project(**dict(r)) for r in rows]
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# ==================== Entity Operations ====================
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def create_entity(self, entity: Entity) -> Entity:
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conn = self.get_conn()
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conn.execute(
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"""INSERT INTO entities (id, project_id, name, canonical_name, type, definition, aliases, created_at, updated_at)
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VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)""",
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(entity.id, entity.project_id, entity.name, entity.canonical_name, entity.type,
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entity.definition, json.dumps(entity.aliases), datetime.now().isoformat(), datetime.now().isoformat())
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)
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conn.commit()
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conn.close()
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return entity
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def get_entity_by_name(self, project_id: str, name: str) -> Optional[Entity]:
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"""通过名称查找实体（用于对齐）"""
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conn = self.get_conn()
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row = conn.execute(
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"SELECT * FROM entities WHERE project_id = ? AND (name = ? OR canonical_name = ? OR aliases LIKE ?)",
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(project_id, name, name, f'%"{name}"%')
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).fetchone()
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conn.close()
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if row:
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data = dict(row)
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data['aliases'] = json.loads(data['aliases']) if data['aliases'] else []
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return Entity(**data)
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return None
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def find_similar_entities(self, project_id: str, name: str, threshold: float = 0.8) -> List[Entity]:
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"""查找相似实体"""
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conn = self.get_conn()
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rows = conn.execute(
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"SELECT * FROM entities WHERE project_id = ? AND name LIKE ?",
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(project_id, f"%{name}%")
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).fetchall()
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conn.close()
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entities = []
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for row in rows:
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data = dict(row)
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data['aliases'] = json.loads(data['aliases']) if data['aliases'] else []
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entities.append(Entity(**data))
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return entities
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def merge_entities(self, target_id: str, source_id: str) -> Entity:
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"""合并两个实体"""
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conn = self.get_conn()
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target = conn.execute("SELECT * FROM entities WHERE id = ?", (target_id,)).fetchone()
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source = conn.execute("SELECT * FROM entities WHERE id = ?", (source_id,)).fetchone()
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if not target or not source:
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conn.close()
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raise ValueError("Entity not found")
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target_aliases = set(json.loads(target['aliases']) if target['aliases'] else [])
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target_aliases.add(source['name'])
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target_aliases.update(json.loads(source['aliases']) if source['aliases'] else [])
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conn.execute(
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"UPDATE entities SET aliases = ?, updated_at = ? WHERE id = ?",
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(json.dumps(list(target_aliases)), datetime.now().isoformat(), target_id)
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)
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conn.execute("UPDATE entity_mentions SET entity_id = ? WHERE entity_id = ?", (target_id, source_id))
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conn.execute("UPDATE entity_relations SET source_entity_id = ? WHERE source_entity_id = ?", (target_id, source_id))
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conn.execute("UPDATE entity_relations SET target_entity_id = ? WHERE target_entity_id = ?", (target_id, source_id))
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conn.execute("DELETE FROM entities WHERE id = ?", (source_id,))
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conn.commit()
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conn.close()
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return self.get_entity(target_id)
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def get_entity(self, entity_id: str) -> Optional[Entity]:
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conn = self.get_conn()
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row = conn.execute("SELECT * FROM entities WHERE id = ?", (entity_id,)).fetchone()
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conn.close()
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if row:
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data = dict(row)
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data['aliases'] = json.loads(data['aliases']) if data['aliases'] else []
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return Entity(**data)
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return None
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def list_project_entities(self, project_id: str) -> List[Entity]:
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conn = self.get_conn()
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rows = conn.execute(
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"SELECT * FROM entities WHERE project_id = ? ORDER BY updated_at DESC",
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(project_id,)
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).fetchall()
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conn.close()
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entities = []
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for row in rows:
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data = dict(row)
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data['aliases'] = json.loads(data['aliases']) if data['aliases'] else []
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entities.append(Entity(**data))
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return entities
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def update_entity(self, entity_id: str, **kwargs) -> Entity:
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"""更新实体信息"""
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conn = self.get_conn()
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allowed_fields = ['name', 'type', 'definition', 'canonical_name']
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updates = []
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values = []
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for field in allowed_fields:
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if field in kwargs:
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updates.append(f"{field} = ?")
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values.append(kwargs[field])
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if 'aliases' in kwargs:
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updates.append("aliases = ?")
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values.append(json.dumps(kwargs['aliases']))
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if not updates:
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conn.close()
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return self.get_entity(entity_id)
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updates.append("updated_at = ?")
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values.append(datetime.now().isoformat())
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values.append(entity_id)
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query = f"UPDATE entities SET {', '.join(updates)} WHERE id = ?"
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conn.execute(query, values)
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conn.commit()
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conn.close()
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return self.get_entity(entity_id)
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def delete_entity(self, entity_id: str):
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"""删除实体及其关联数据"""
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conn = self.get_conn()
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conn.execute("DELETE FROM entity_mentions WHERE entity_id = ?", (entity_id,))
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conn.execute("DELETE FROM entity_relations WHERE source_entity_id = ? OR target_entity_id = ?", (entity_id, entity_id))
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conn.execute("DELETE FROM entity_attributes WHERE entity_id = ?", (entity_id,))
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conn.execute("DELETE FROM entities WHERE id = ?", (entity_id,))
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conn.commit()
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conn.close()
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# ==================== Mention Operations ====================
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def add_mention(self, mention: EntityMention) -> EntityMention:
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conn = self.get_conn()
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conn.execute(
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"""INSERT INTO entity_mentions (id, entity_id, transcript_id, start_pos, end_pos, text_snippet, confidence)
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VALUES (?, ?, ?, ?, ?, ?, ?)""",
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(mention.id, mention.entity_id, mention.transcript_id, mention.start_pos,
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mention.end_pos, mention.text_snippet, mention.confidence)
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)
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conn.commit()
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conn.close()
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return mention
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def get_entity_mentions(self, entity_id: str) -> List[EntityMention]:
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conn = self.get_conn()
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rows = conn.execute(
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"SELECT * FROM entity_mentions WHERE entity_id = ? ORDER BY transcript_id, start_pos",
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(entity_id,)
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).fetchall()
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conn.close()
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return [EntityMention(**dict(r)) for r in rows]
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# ==================== Transcript Operations ====================
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def save_transcript(self, transcript_id: str, project_id: str, filename: str, full_text: str, transcript_type: str = "audio"):
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conn = self.get_conn()
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now = datetime.now().isoformat()
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conn.execute(
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"INSERT INTO transcripts (id, project_id, filename, full_text, type, created_at) VALUES (?, ?, ?, ?, ?, ?)",
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(transcript_id, project_id, filename, full_text, transcript_type, now)
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)
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conn.commit()
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conn.close()
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def get_transcript(self, transcript_id: str) -> Optional[dict]:
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conn = self.get_conn()
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row = conn.execute("SELECT * FROM transcripts WHERE id = ?", (transcript_id,)).fetchone()
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conn.close()
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return dict(row) if row else None
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def list_project_transcripts(self, project_id: str) -> List[dict]:
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conn = self.get_conn()
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rows = conn.execute(
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"SELECT * FROM transcripts WHERE project_id = ? ORDER BY created_at DESC",
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(project_id,)
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).fetchall()
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conn.close()
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return [dict(r) for r in rows]
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def update_transcript(self, transcript_id: str, full_text: str) -> dict:
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conn = self.get_conn()
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now = datetime.now().isoformat()
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conn.execute(
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"UPDATE transcripts SET full_text = ?, updated_at = ? WHERE id = ?",
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(full_text, now, transcript_id)
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)
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conn.commit()
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row = conn.execute("SELECT * FROM transcripts WHERE id = ?", (transcript_id,)).fetchone()
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conn.close()
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return dict(row) if row else None
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# ==================== Relation Operations ====================
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def create_relation(self, project_id: str, source_entity_id: str, target_entity_id: str,
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relation_type: str = "related", evidence: str = "", transcript_id: str = ""):
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conn = self.get_conn()
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relation_id = str(uuid.uuid4())[:8]
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now = datetime.now().isoformat()
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conn.execute(
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"""INSERT INTO entity_relations
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(id, project_id, source_entity_id, target_entity_id, relation_type, evidence, transcript_id, created_at)
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VALUES (?, ?, ?, ?, ?, ?, ?, ?)""",
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(relation_id, project_id, source_entity_id, target_entity_id, relation_type, evidence, transcript_id, now)
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)
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conn.commit()
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conn.close()
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return relation_id
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def get_entity_relations(self, entity_id: str) -> List[dict]:
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conn = self.get_conn()
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rows = conn.execute(
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"""SELECT * FROM entity_relations
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WHERE source_entity_id = ? OR target_entity_id = ?
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ORDER BY created_at DESC""",
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(entity_id, entity_id)
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).fetchall()
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conn.close()
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return [dict(r) for r in rows]
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def list_project_relations(self, project_id: str) -> List[dict]:
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conn = self.get_conn()
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rows = conn.execute(
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"SELECT * FROM entity_relations WHERE project_id = ? ORDER BY created_at DESC",
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(project_id,)
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).fetchall()
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conn.close()
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return [dict(r) for r in rows]
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def update_relation(self, relation_id: str, **kwargs) -> dict:
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conn = self.get_conn()
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allowed_fields = ['relation_type', 'evidence']
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updates = []
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values = []
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for field in allowed_fields:
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if field in kwargs:
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updates.append(f"{field} = ?")
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values.append(kwargs[field])
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if updates:
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query = f"UPDATE entity_relations SET {', '.join(updates)} WHERE id = ?"
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values.append(relation_id)
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conn.execute(query, values)
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conn.commit()
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row = conn.execute("SELECT * FROM entity_relations WHERE id = ?", (relation_id,)).fetchone()
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conn.close()
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return dict(row) if row else None
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def delete_relation(self, relation_id: str):
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conn = self.get_conn()
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conn.execute("DELETE FROM entity_relations WHERE id = ?", (relation_id,))
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conn.commit()
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conn.close()
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# ==================== Glossary Operations ====================
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def add_glossary_term(self, project_id: str, term: str, pronunciation: str = "") -> str:
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conn = self.get_conn()
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existing = conn.execute(
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"SELECT * FROM glossary WHERE project_id = ? AND term = ?",
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(project_id, term)
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).fetchone()
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if existing:
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conn.execute("UPDATE glossary SET frequency = frequency + 1 WHERE id = ?", (existing['id'],))
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conn.commit()
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conn.close()
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return existing['id']
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term_id = str(uuid.uuid4())[:8]
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conn.execute(
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"INSERT INTO glossary (id, project_id, term, pronunciation, frequency) VALUES (?, ?, ?, ?, ?)",
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(term_id, project_id, term, pronunciation, 1)
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)
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conn.commit()
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conn.close()
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return term_id
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def list_glossary(self, project_id: str) -> List[dict]:
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conn = self.get_conn()
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rows = conn.execute(
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"SELECT * FROM glossary WHERE project_id = ? ORDER BY frequency DESC",
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(project_id,)
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).fetchall()
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conn.close()
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return [dict(r) for r in rows]
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def delete_glossary_term(self, term_id: str):
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conn = self.get_conn()
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conn.execute("DELETE FROM glossary WHERE id = ?", (term_id,))
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conn.commit()
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conn.close()
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# ==================== Phase 4: Agent & Provenance ====================
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def get_relation_with_details(self, relation_id: str) -> Optional[dict]:
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conn = self.get_conn()
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row = conn.execute(
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"""SELECT r.*,
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s.name as source_name, t.name as target_name,
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tr.filename as transcript_filename, tr.full_text as transcript_text
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FROM entity_relations r
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JOIN entities s ON r.source_entity_id = s.id
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JOIN entities t ON r.target_entity_id = t.id
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LEFT JOIN transcripts tr ON r.transcript_id = tr.id
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WHERE r.id = ?""",
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(relation_id,)
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).fetchone()
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conn.close()
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return dict(row) if row else None
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def get_entity_with_mentions(self, entity_id: str) -> Optional[dict]:
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conn = self.get_conn()
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entity_row = conn.execute("SELECT * FROM entities WHERE id = ?", (entity_id,)).fetchone()
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if not entity_row:
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conn.close()
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return None
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entity = dict(entity_row)
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entity['aliases'] = json.loads(entity['aliases']) if entity['aliases'] else []
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mentions = conn.execute(
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"""SELECT m.*, t.filename, t.created_at as transcript_date
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FROM entity_mentions m
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JOIN transcripts t ON m.transcript_id = t.id
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WHERE m.entity_id = ? ORDER BY t.created_at, m.start_pos""",
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(entity_id,)
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).fetchall()
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entity['mentions'] = [dict(m) for m in mentions]
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entity['mention_count'] = len(mentions)
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relations = conn.execute(
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"""SELECT r.*, s.name as source_name, t.name as target_name
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FROM entity_relations r
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JOIN entities s ON r.source_entity_id = s.id
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JOIN entities t ON r.target_entity_id = t.id
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|
WHERE r.source_entity_id = ? OR r.target_entity_id = ?
|
|
ORDER BY r.created_at DESC""",
|
|
(entity_id, entity_id)
|
|
).fetchall()
|
|
entity['relations'] = [dict(r) for r in relations]
|
|
|
|
conn.close()
|
|
return entity
|
|
|
|
def search_entities(self, project_id: str, query: str) -> List[Entity]:
|
|
conn = self.get_conn()
|
|
rows = conn.execute(
|
|
"""SELECT * FROM entities
|
|
WHERE project_id = ? AND
|
|
(name LIKE ? OR definition LIKE ? OR aliases LIKE ?)
|
|
ORDER BY name""",
|
|
(project_id, f'%{query}%', f'%{query}%', f'%{query}%')
|
|
).fetchall()
|
|
conn.close()
|
|
|
|
entities = []
|
|
for row in rows:
|
|
data = dict(row)
|
|
data['aliases'] = json.loads(data['aliases']) if data['aliases'] else []
|
|
entities.append(Entity(**data))
|
|
return entities
|
|
|
|
def get_project_summary(self, project_id: str) -> dict:
|
|
conn = self.get_conn()
|
|
project = conn.execute("SELECT * FROM projects WHERE id = ?", (project_id,)).fetchone()
|
|
|
|
entity_count = conn.execute(
|
|
"SELECT COUNT(*) as count FROM entities WHERE project_id = ?", (project_id,)
|
|
).fetchone()['count']
|
|
|
|
transcript_count = conn.execute(
|
|
"SELECT COUNT(*) as count FROM transcripts WHERE project_id = ?", (project_id,)
|
|
).fetchone()['count']
|
|
|
|
relation_count = conn.execute(
|
|
"SELECT COUNT(*) as count FROM entity_relations WHERE project_id = ?", (project_id,)
|
|
).fetchone()['count']
|
|
|
|
recent_transcripts = conn.execute(
|
|
"""SELECT filename, full_text, created_at FROM transcripts
|
|
WHERE project_id = ? ORDER BY created_at DESC LIMIT 5""",
|
|
(project_id,)
|
|
).fetchall()
|
|
|
|
top_entities = conn.execute(
|
|
"""SELECT e.name, e.type, e.definition, COUNT(m.id) as mention_count
|
|
FROM entities e
|
|
LEFT JOIN entity_mentions m ON e.id = m.entity_id
|
|
WHERE e.project_id = ?
|
|
GROUP BY e.id ORDER BY mention_count DESC LIMIT 10""",
|
|
(project_id,)
|
|
).fetchall()
|
|
|
|
conn.close()
|
|
|
|
return {
|
|
'project': dict(project) if project else {},
|
|
'statistics': {
|
|
'entity_count': entity_count,
|
|
'transcript_count': transcript_count,
|
|
'relation_count': relation_count
|
|
},
|
|
'recent_transcripts': [dict(t) for t in recent_transcripts],
|
|
'top_entities': [dict(e) for e in top_entities]
|
|
}
|
|
|
|
def get_transcript_context(self, transcript_id: str, position: int, context_chars: int = 200) -> str:
|
|
conn = self.get_conn()
|
|
row = conn.execute("SELECT full_text FROM transcripts WHERE id = ?", (transcript_id,)).fetchone()
|
|
conn.close()
|
|
if not row:
|
|
return ""
|
|
text = row['full_text']
|
|
start = max(0, position - context_chars)
|
|
end = min(len(text), position + context_chars)
|
|
return text[start:end]
|
|
|
|
# ==================== Phase 5: Timeline Operations ====================
|
|
|
|
def get_project_timeline(self, project_id: str, entity_id: str = None, start_date: str = None, end_date: str = None) -> List[dict]:
|
|
conn = self.get_conn()
|
|
|
|
conditions = ["t.project_id = ?"]
|
|
params = [project_id]
|
|
|
|
if entity_id:
|
|
conditions.append("m.entity_id = ?")
|
|
params.append(entity_id)
|
|
if start_date:
|
|
conditions.append("t.created_at >= ?")
|
|
params.append(start_date)
|
|
if end_date:
|
|
conditions.append("t.created_at <= ?")
|
|
params.append(end_date)
|
|
|
|
where_clause = " AND ".join(conditions)
|
|
|
|
mentions = conn.execute(
|
|
f"""SELECT m.*, e.name as entity_name, e.type as entity_type, e.definition,
|
|
t.filename, t.created_at as event_date, t.type as source_type
|
|
FROM entity_mentions m
|
|
JOIN entities e ON m.entity_id = e.id
|
|
JOIN transcripts t ON m.transcript_id = t.id
|
|
WHERE {where_clause} ORDER BY t.created_at, m.start_pos""",
|
|
params
|
|
).fetchall()
|
|
|
|
timeline_events = []
|
|
for m in mentions:
|
|
timeline_events.append({
|
|
'id': m['id'],
|
|
'type': 'mention',
|
|
'event_date': m['event_date'],
|
|
'entity_id': m['entity_id'],
|
|
'entity_name': m['entity_name'],
|
|
'entity_type': m['entity_type'],
|
|
'text_snippet': m['text_snippet'],
|
|
'confidence': m['confidence'],
|
|
'source': {'transcript_id': m['transcript_id'], 'filename': m['filename'], 'type': m['source_type']}
|
|
})
|
|
|
|
conn.close()
|
|
timeline_events.sort(key=lambda x: x['event_date'])
|
|
return timeline_events
|
|
|
|
def get_entity_timeline_summary(self, project_id: str) -> dict:
|
|
conn = self.get_conn()
|
|
|
|
daily_stats = conn.execute(
|
|
"""SELECT DATE(t.created_at) as date, COUNT(*) as count
|
|
FROM entity_mentions m
|
|
JOIN transcripts t ON m.transcript_id = t.id
|
|
WHERE t.project_id = ? GROUP BY DATE(t.created_at) ORDER BY date""",
|
|
(project_id,)
|
|
).fetchall()
|
|
|
|
entity_stats = conn.execute(
|
|
"""SELECT e.name, e.type, COUNT(m.id) as mention_count,
|
|
MIN(t.created_at) as first_mentioned,
|
|
MAX(t.created_at) as last_mentioned
|
|
FROM entities e
|
|
LEFT JOIN entity_mentions m ON e.id = m.entity_id
|
|
LEFT JOIN transcripts t ON m.transcript_id = t.id
|
|
WHERE e.project_id = ?
|
|
GROUP BY e.id ORDER BY mention_count DESC LIMIT 20""",
|
|
(project_id,)
|
|
).fetchall()
|
|
|
|
conn.close()
|
|
|
|
return {
|
|
'daily_activity': [dict(d) for d in daily_stats],
|
|
'top_entities': [dict(e) for e in entity_stats]
|
|
}
|
|
|
|
# ==================== Phase 5: Entity Attributes ====================
|
|
|
|
def create_attribute_template(self, template: AttributeTemplate) -> AttributeTemplate:
|
|
conn = self.get_conn()
|
|
now = datetime.now().isoformat()
|
|
conn.execute(
|
|
"""INSERT INTO attribute_templates
|
|
(id, project_id, name, type, options, default_value, description, is_required, sort_order, created_at, updated_at)
|
|
VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)""",
|
|
(template.id, template.project_id, template.name, template.type,
|
|
json.dumps(template.options) if template.options else None,
|
|
template.default_value, template.description, template.is_required,
|
|
template.sort_order, now, now)
|
|
)
|
|
conn.commit()
|
|
conn.close()
|
|
return template
|
|
|
|
def get_attribute_template(self, template_id: str) -> Optional[AttributeTemplate]:
|
|
conn = self.get_conn()
|
|
row = conn.execute("SELECT * FROM attribute_templates WHERE id = ?", (template_id,)).fetchone()
|
|
conn.close()
|
|
if row:
|
|
data = dict(row)
|
|
data['options'] = json.loads(data['options']) if data['options'] else []
|
|
return AttributeTemplate(**data)
|
|
return None
|
|
|
|
def list_attribute_templates(self, project_id: str) -> List[AttributeTemplate]:
|
|
conn = self.get_conn()
|
|
rows = conn.execute(
|
|
"""SELECT * FROM attribute_templates WHERE project_id = ?
|
|
ORDER BY sort_order, created_at""",
|
|
(project_id,)
|
|
).fetchall()
|
|
conn.close()
|
|
|
|
templates = []
|
|
for row in rows:
|
|
data = dict(row)
|
|
data['options'] = json.loads(data['options']) if data['options'] else []
|
|
templates.append(AttributeTemplate(**data))
|
|
return templates
|
|
|
|
def update_attribute_template(self, template_id: str, **kwargs) -> Optional[AttributeTemplate]:
|
|
conn = self.get_conn()
|
|
allowed_fields = ['name', 'type', 'options', 'default_value', 'description', 'is_required', 'sort_order']
|
|
updates = []
|
|
values = []
|
|
|
|
for field in allowed_fields:
|
|
if field in kwargs:
|
|
updates.append(f"{field} = ?")
|
|
if field == 'options':
|
|
values.append(json.dumps(kwargs[field]) if kwargs[field] else None)
|
|
else:
|
|
values.append(kwargs[field])
|
|
|
|
if updates:
|
|
updates.append("updated_at = ?")
|
|
values.append(datetime.now().isoformat())
|
|
values.append(template_id)
|
|
query = f"UPDATE attribute_templates SET {', '.join(updates)} WHERE id = ?"
|
|
conn.execute(query, values)
|
|
conn.commit()
|
|
|
|
conn.close()
|
|
return self.get_attribute_template(template_id)
|
|
|
|
def delete_attribute_template(self, template_id: str):
|
|
conn = self.get_conn()
|
|
conn.execute("DELETE FROM attribute_templates WHERE id = ?", (template_id,))
|
|
conn.commit()
|
|
conn.close()
|
|
|
|
def set_entity_attribute(self, attr: EntityAttribute, changed_by: str = "system", change_reason: str = "") -> EntityAttribute:
|
|
conn = self.get_conn()
|
|
now = datetime.now().isoformat()
|
|
|
|
old_row = conn.execute(
|
|
"SELECT value FROM entity_attributes WHERE entity_id = ? AND template_id = ?",
|
|
(attr.entity_id, attr.template_id)
|
|
).fetchone()
|
|
old_value = old_row['value'] if old_row else None
|
|
|
|
if old_value != attr.value:
|
|
conn.execute(
|
|
"""INSERT INTO attribute_history
|
|
(id, entity_id, template_id, old_value, new_value, changed_by, changed_at, change_reason)
|
|
VALUES (?, ?, ?, ?, ?, ?, ?, ?)""",
|
|
(str(uuid.uuid4())[:8], attr.entity_id, attr.template_id,
|
|
old_value, attr.value, changed_by, now, change_reason)
|
|
)
|
|
|
|
conn.execute(
|
|
"""INSERT OR REPLACE INTO entity_attributes
|
|
(id, entity_id, template_id, value, created_at, updated_at)
|
|
VALUES (
|
|
COALESCE((SELECT id FROM entity_attributes WHERE entity_id = ? AND template_id = ?), ?),
|
|
?, ?, ?,
|
|
COALESCE((SELECT created_at FROM entity_attributes WHERE entity_id = ? AND template_id = ?), ?),
|
|
?)""",
|
|
(attr.entity_id, attr.template_id, attr.id,
|
|
attr.entity_id, attr.template_id, attr.value,
|
|
attr.entity_id, attr.template_id, now, now)
|
|
)
|
|
|
|
conn.commit()
|
|
conn.close()
|
|
return attr
|
|
|
|
def get_entity_attributes(self, entity_id: str) -> List[EntityAttribute]:
|
|
conn = self.get_conn()
|
|
rows = conn.execute(
|
|
"""SELECT ea.*, at.name as template_name, at.type as template_type
|
|
FROM entity_attributes ea
|
|
JOIN attribute_templates at ON ea.template_id = at.id
|
|
WHERE ea.entity_id = ? ORDER BY at.display_order""",
|
|
(entity_id,)
|
|
).fetchall()
|
|
conn.close()
|
|
return [EntityAttribute(**dict(r)) for r in rows]
|
|
|
|
def get_entity_with_attributes(self, entity_id: str) -> Optional[Entity]:
|
|
entity = self.get_entity(entity_id)
|
|
if not entity:
|
|
return None
|
|
attrs = self.get_entity_attributes(entity_id)
|
|
entity.attributes = {
|
|
attr.template_name: {'value': attr.value, 'type': attr.template_type, 'template_id': attr.template_id}
|
|
for attr in attrs
|
|
}
|
|
return entity
|
|
|
|
def delete_entity_attribute(self, entity_id: str, template_id: str, changed_by: str = "system", change_reason: str = ""):
|
|
conn = self.get_conn()
|
|
old_row = conn.execute(
|
|
"SELECT value FROM entity_attributes WHERE entity_id = ? AND template_id = ?",
|
|
(entity_id, template_id)
|
|
).fetchone()
|
|
|
|
if old_row:
|
|
conn.execute(
|
|
"""INSERT INTO attribute_history
|
|
(id, entity_id, template_id, old_value, new_value, changed_by, changed_at, change_reason)
|
|
VALUES (?, ?, ?, ?, ?, ?, ?, ?)""",
|
|
(str(uuid.uuid4())[:8], entity_id, template_id,
|
|
old_row['value'], None, changed_by, datetime.now().isoformat(), change_reason or "属性删除")
|
|
)
|
|
conn.execute(
|
|
"DELETE FROM entity_attributes WHERE entity_id = ? AND template_id = ?",
|
|
(entity_id, template_id)
|
|
)
|
|
conn.commit()
|
|
conn.close()
|
|
|
|
def get_attribute_history(self, entity_id: str = None, template_id: str = None, limit: int = 50) -> List[AttributeHistory]:
|
|
conn = self.get_conn()
|
|
conditions = []
|
|
params = []
|
|
|
|
if entity_id:
|
|
conditions.append("ah.entity_id = ?")
|
|
params.append(entity_id)
|
|
if template_id:
|
|
conditions.append("ah.template_id = ?")
|
|
params.append(template_id)
|
|
|
|
where_clause = " AND ".join(conditions) if conditions else "1=1"
|
|
|
|
rows = conn.execute(
|
|
f"""SELECT ah.*, at.name as template_name
|
|
FROM attribute_history ah
|
|
JOIN attribute_templates at ON ah.template_id = at.id
|
|
WHERE {where_clause}
|
|
ORDER BY ah.changed_at DESC LIMIT ?""",
|
|
params + [limit]
|
|
).fetchall()
|
|
conn.close()
|
|
return [AttributeHistory(**dict(r)) for r in rows]
|
|
|
|
def search_entities_by_attributes(self, project_id: str, attribute_filters: Dict[str, str]) -> List[Entity]:
|
|
entities = self.list_project_entities(project_id)
|
|
if not attribute_filters:
|
|
return entities
|
|
|
|
entity_ids = [e.id for e in entities]
|
|
if not entity_ids:
|
|
return []
|
|
|
|
conn = self.get_conn()
|
|
placeholders = ','.join(['?' for _ in entity_ids])
|
|
rows = conn.execute(
|
|
f"""SELECT ea.*, at.name as template_name
|
|
FROM entity_attributes ea
|
|
JOIN attribute_templates at ON ea.template_id = at.id
|
|
WHERE ea.entity_id IN ({placeholders})""",
|
|
entity_ids
|
|
).fetchall()
|
|
conn.close()
|
|
|
|
entity_attrs = {}
|
|
for row in rows:
|
|
eid = row['entity_id']
|
|
if eid not in entity_attrs:
|
|
entity_attrs[eid] = {}
|
|
entity_attrs[eid][row['template_name']] = row['value']
|
|
|
|
filtered = []
|
|
for entity in entities:
|
|
attrs = entity_attrs.get(entity.id, {})
|
|
match = True
|
|
for attr_name, attr_value in attribute_filters.items():
|
|
if attrs.get(attr_name) != attr_value:
|
|
match = False
|
|
break
|
|
if match:
|
|
entity.attributes = attrs
|
|
filtered.append(entity)
|
|
return filtered
|
|
|
|
|
|
# Singleton instance
|
|
_db_manager = None
|
|
|
|
def get_db_manager() -> DatabaseManager:
|
|
global _db_manager
|
|
if _db_manager is None:
|
|
_db_manager = DatabaseManager()
|
|
return _db_manager
|