884 lines
33 KiB
Python
884 lines
33 KiB
Python
#!/usr/bin/env python3
|
|
"""
|
|
InsightFlow Database Manager - Phase 5
|
|
处理项目、实体、关系的持久化
|
|
支持实体属性扩展
|
|
"""
|
|
|
|
import os
|
|
import json
|
|
import sqlite3
|
|
import uuid
|
|
from datetime import datetime
|
|
from typing import List, Dict, Optional, Tuple
|
|
from dataclasses import dataclass
|
|
|
|
DB_PATH = os.getenv("DB_PATH", "/app/data/insightflow.db")
|
|
|
|
@dataclass
|
|
class Project:
|
|
id: str
|
|
name: str
|
|
description: str = ""
|
|
created_at: str = ""
|
|
updated_at: str = ""
|
|
|
|
@dataclass
|
|
class Entity:
|
|
id: str
|
|
project_id: str
|
|
name: str
|
|
type: str
|
|
definition: str = ""
|
|
canonical_name: str = ""
|
|
aliases: List[str] = None
|
|
embedding: str = "" # Phase 3: 实体嵌入向量
|
|
attributes: Dict = None # Phase 5: 实体属性
|
|
created_at: str = ""
|
|
updated_at: str = ""
|
|
|
|
def __post_init__(self):
|
|
if self.aliases is None:
|
|
self.aliases = []
|
|
if self.attributes is None:
|
|
self.attributes = {}
|
|
|
|
@dataclass
|
|
class AttributeTemplate:
|
|
"""属性模板定义"""
|
|
id: str
|
|
project_id: str
|
|
name: str
|
|
type: str # text, number, date, select, multiselect, boolean
|
|
options: List[str] = None # 用于 select/multiselect
|
|
default_value: str = ""
|
|
description: str = ""
|
|
is_required: bool = False
|
|
sort_order: int = 0
|
|
created_at: str = ""
|
|
updated_at: str = ""
|
|
|
|
def __post_init__(self):
|
|
if self.options is None:
|
|
self.options = []
|
|
|
|
@dataclass
|
|
class EntityAttribute:
|
|
"""实体属性值"""
|
|
id: str
|
|
entity_id: str
|
|
template_id: str
|
|
value: str
|
|
template_name: str = "" # 关联查询时填充
|
|
template_type: str = "" # 关联查询时填充
|
|
created_at: str = ""
|
|
updated_at: str = ""
|
|
|
|
@dataclass
|
|
class AttributeHistory:
|
|
"""属性变更历史"""
|
|
id: str
|
|
entity_id: str
|
|
template_id: str
|
|
template_name: str = ""
|
|
old_value: str = ""
|
|
new_value: str = ""
|
|
changed_by: str = ""
|
|
changed_at: str = ""
|
|
change_reason: str = ""
|
|
|
|
@dataclass
|
|
class EntityMention:
|
|
id: str
|
|
entity_id: str
|
|
transcript_id: str
|
|
start_pos: int
|
|
end_pos: int
|
|
text_snippet: str
|
|
confidence: float = 1.0
|
|
|
|
class DatabaseManager:
|
|
def __init__(self, db_path: str = DB_PATH):
|
|
self.db_path = db_path
|
|
os.makedirs(os.path.dirname(db_path), exist_ok=True)
|
|
self.init_db()
|
|
|
|
def get_conn(self):
|
|
conn = sqlite3.connect(self.db_path)
|
|
conn.row_factory = sqlite3.Row
|
|
return conn
|
|
|
|
def init_db(self):
|
|
"""初始化数据库表"""
|
|
with open(os.path.join(os.path.dirname(__file__), 'schema.sql'), 'r') as f:
|
|
schema = f.read()
|
|
|
|
conn = self.get_conn()
|
|
conn.executescript(schema)
|
|
conn.commit()
|
|
conn.close()
|
|
|
|
# ==================== Project Operations ====================
|
|
|
|
def create_project(self, project_id: str, name: str, description: str = "") -> Project:
|
|
conn = self.get_conn()
|
|
now = datetime.now().isoformat()
|
|
conn.execute(
|
|
"INSERT INTO projects (id, name, description, created_at, updated_at) VALUES (?, ?, ?, ?, ?)",
|
|
(project_id, name, description, now, now)
|
|
)
|
|
conn.commit()
|
|
conn.close()
|
|
return Project(id=project_id, name=name, description=description, created_at=now, updated_at=now)
|
|
|
|
def get_project(self, project_id: str) -> Optional[Project]:
|
|
conn = self.get_conn()
|
|
row = conn.execute("SELECT * FROM projects WHERE id = ?", (project_id,)).fetchone()
|
|
conn.close()
|
|
if row:
|
|
return Project(**dict(row))
|
|
return None
|
|
|
|
def list_projects(self) -> List[Project]:
|
|
conn = self.get_conn()
|
|
rows = conn.execute("SELECT * FROM projects ORDER BY updated_at DESC").fetchall()
|
|
conn.close()
|
|
return [Project(**dict(r)) for r in rows]
|
|
|
|
# ==================== Entity Operations ====================
|
|
|
|
def create_entity(self, entity: Entity) -> Entity:
|
|
conn = self.get_conn()
|
|
conn.execute(
|
|
"""INSERT INTO entities (id, project_id, name, canonical_name, type, definition, aliases, created_at, updated_at)
|
|
VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)""",
|
|
(entity.id, entity.project_id, entity.name, entity.canonical_name, entity.type,
|
|
entity.definition, json.dumps(entity.aliases), datetime.now().isoformat(), datetime.now().isoformat())
|
|
)
|
|
conn.commit()
|
|
conn.close()
|
|
return entity
|
|
|
|
def get_entity_by_name(self, project_id: str, name: str) -> Optional[Entity]:
|
|
"""通过名称查找实体（用于对齐）"""
|
|
conn = self.get_conn()
|
|
row = conn.execute(
|
|
"SELECT * FROM entities WHERE project_id = ? AND (name = ? OR canonical_name = ? OR aliases LIKE ?)",
|
|
(project_id, name, name, f'%"{name}"%')
|
|
).fetchone()
|
|
conn.close()
|
|
if row:
|
|
data = dict(row)
|
|
data['aliases'] = json.loads(data['aliases']) if data['aliases'] else []
|
|
return Entity(**data)
|
|
return None
|
|
|
|
def find_similar_entities(self, project_id: str, name: str, threshold: float = 0.8) -> List[Entity]:
|
|
"""查找相似实体"""
|
|
conn = self.get_conn()
|
|
rows = conn.execute(
|
|
"SELECT * FROM entities WHERE project_id = ? AND name LIKE ?",
|
|
(project_id, f"%{name}%")
|
|
).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 merge_entities(self, target_id: str, source_id: str) -> Entity:
|
|
"""合并两个实体"""
|
|
conn = self.get_conn()
|
|
|
|
target = conn.execute("SELECT * FROM entities WHERE id = ?", (target_id,)).fetchone()
|
|
source = conn.execute("SELECT * FROM entities WHERE id = ?", (source_id,)).fetchone()
|
|
|
|
if not target or not source:
|
|
conn.close()
|
|
raise ValueError("Entity not found")
|
|
|
|
target_aliases = set(json.loads(target['aliases']) if target['aliases'] else [])
|
|
target_aliases.add(source['name'])
|
|
target_aliases.update(json.loads(source['aliases']) if source['aliases'] else [])
|
|
|
|
conn.execute(
|
|
"UPDATE entities SET aliases = ?, updated_at = ? WHERE id = ?",
|
|
(json.dumps(list(target_aliases)), datetime.now().isoformat(), target_id)
|
|
)
|
|
conn.execute("UPDATE entity_mentions SET entity_id = ? WHERE entity_id = ?", (target_id, source_id))
|
|
conn.execute("UPDATE entity_relations SET source_entity_id = ? WHERE source_entity_id = ?", (target_id, source_id))
|
|
conn.execute("UPDATE entity_relations SET target_entity_id = ? WHERE target_entity_id = ?", (target_id, source_id))
|
|
conn.execute("DELETE FROM entities WHERE id = ?", (source_id,))
|
|
|
|
conn.commit()
|
|
conn.close()
|
|
return self.get_entity(target_id)
|
|
|
|
def get_entity(self, entity_id: str) -> Optional[Entity]:
|
|
conn = self.get_conn()
|
|
row = conn.execute("SELECT * FROM entities WHERE id = ?", (entity_id,)).fetchone()
|
|
conn.close()
|
|
if row:
|
|
data = dict(row)
|
|
data['aliases'] = json.loads(data['aliases']) if data['aliases'] else []
|
|
return Entity(**data)
|
|
return None
|
|
|
|
def list_project_entities(self, project_id: str) -> List[Entity]:
|
|
conn = self.get_conn()
|
|
rows = conn.execute(
|
|
"SELECT * FROM entities WHERE project_id = ? ORDER BY updated_at DESC",
|
|
(project_id,)
|
|
).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 update_entity(self, entity_id: str, **kwargs) -> Entity:
|
|
"""更新实体信息"""
|
|
conn = self.get_conn()
|
|
|
|
allowed_fields = ['name', 'type', 'definition', 'canonical_name']
|
|
updates = []
|
|
values = []
|
|
|
|
for field in allowed_fields:
|
|
if field in kwargs:
|
|
updates.append(f"{field} = ?")
|
|
values.append(kwargs[field])
|
|
|
|
if 'aliases' in kwargs:
|
|
updates.append("aliases = ?")
|
|
values.append(json.dumps(kwargs['aliases']))
|
|
|
|
if not updates:
|
|
conn.close()
|
|
return self.get_entity(entity_id)
|
|
|
|
updates.append("updated_at = ?")
|
|
values.append(datetime.now().isoformat())
|
|
values.append(entity_id)
|
|
|
|
query = f"UPDATE entities SET {', '.join(updates)} WHERE id = ?"
|
|
conn.execute(query, values)
|
|
conn.commit()
|
|
conn.close()
|
|
return self.get_entity(entity_id)
|
|
|
|
def delete_entity(self, entity_id: str):
|
|
"""删除实体及其关联数据"""
|
|
conn = self.get_conn()
|
|
conn.execute("DELETE FROM entity_mentions WHERE entity_id = ?", (entity_id,))
|
|
conn.execute("DELETE FROM entity_relations WHERE source_entity_id = ? OR target_entity_id = ?", (entity_id, entity_id))
|
|
conn.execute("DELETE FROM entity_attributes WHERE entity_id = ?", (entity_id,))
|
|
conn.execute("DELETE FROM entities WHERE id = ?", (entity_id,))
|
|
conn.commit()
|
|
conn.close()
|
|
|
|
# ==================== Mention Operations ====================
|
|
|
|
def add_mention(self, mention: EntityMention) -> EntityMention:
|
|
conn = self.get_conn()
|
|
conn.execute(
|
|
"""INSERT INTO entity_mentions (id, entity_id, transcript_id, start_pos, end_pos, text_snippet, confidence)
|
|
VALUES (?, ?, ?, ?, ?, ?, ?)""",
|
|
(mention.id, mention.entity_id, mention.transcript_id, mention.start_pos,
|
|
mention.end_pos, mention.text_snippet, mention.confidence)
|
|
)
|
|
conn.commit()
|
|
conn.close()
|
|
return mention
|
|
|
|
def get_entity_mentions(self, entity_id: str) -> List[EntityMention]:
|
|
conn = self.get_conn()
|
|
rows = conn.execute(
|
|
"SELECT * FROM entity_mentions WHERE entity_id = ? ORDER BY transcript_id, start_pos",
|
|
(entity_id,)
|
|
).fetchall()
|
|
conn.close()
|
|
return [EntityMention(**dict(r)) for r in rows]
|
|
|
|
# ==================== Transcript Operations ====================
|
|
|
|
def save_transcript(self, transcript_id: str, project_id: str, filename: str, full_text: str, transcript_type: str = "audio"):
|
|
conn = self.get_conn()
|
|
now = datetime.now().isoformat()
|
|
conn.execute(
|
|
"INSERT INTO transcripts (id, project_id, filename, full_text, type, created_at) VALUES (?, ?, ?, ?, ?, ?)",
|
|
(transcript_id, project_id, filename, full_text, transcript_type, now)
|
|
)
|
|
conn.commit()
|
|
conn.close()
|
|
|
|
def get_transcript(self, transcript_id: str) -> Optional[dict]:
|
|
conn = self.get_conn()
|
|
row = conn.execute("SELECT * FROM transcripts WHERE id = ?", (transcript_id,)).fetchone()
|
|
conn.close()
|
|
return dict(row) if row else None
|
|
|
|
def list_project_transcripts(self, project_id: str) -> List[dict]:
|
|
conn = self.get_conn()
|
|
rows = conn.execute(
|
|
"SELECT * FROM transcripts WHERE project_id = ? ORDER BY created_at DESC",
|
|
(project_id,)
|
|
).fetchall()
|
|
conn.close()
|
|
return [dict(r) for r in rows]
|
|
|
|
def update_transcript(self, transcript_id: str, full_text: str) -> dict:
|
|
conn = self.get_conn()
|
|
now = datetime.now().isoformat()
|
|
conn.execute(
|
|
"UPDATE transcripts SET full_text = ?, updated_at = ? WHERE id = ?",
|
|
(full_text, now, transcript_id)
|
|
)
|
|
conn.commit()
|
|
row = conn.execute("SELECT * FROM transcripts WHERE id = ?", (transcript_id,)).fetchone()
|
|
conn.close()
|
|
return dict(row) if row else None
|
|
|
|
# ==================== Relation Operations ====================
|
|
|
|
def create_relation(self, project_id: str, source_entity_id: str, target_entity_id: str,
|
|
relation_type: str = "related", evidence: str = "", transcript_id: str = ""):
|
|
conn = self.get_conn()
|
|
relation_id = str(uuid.uuid4())[:8]
|
|
now = datetime.now().isoformat()
|
|
conn.execute(
|
|
"""INSERT INTO entity_relations
|
|
(id, project_id, source_entity_id, target_entity_id, relation_type, evidence, transcript_id, created_at)
|
|
VALUES (?, ?, ?, ?, ?, ?, ?, ?)""",
|
|
(relation_id, project_id, source_entity_id, target_entity_id, relation_type, evidence, transcript_id, now)
|
|
)
|
|
conn.commit()
|
|
conn.close()
|
|
return relation_id
|
|
|
|
def get_entity_relations(self, entity_id: str) -> List[dict]:
|
|
conn = self.get_conn()
|
|
rows = conn.execute(
|
|
"""SELECT * FROM entity_relations
|
|
WHERE source_entity_id = ? OR target_entity_id = ?
|
|
ORDER BY created_at DESC""",
|
|
(entity_id, entity_id)
|
|
).fetchall()
|
|
conn.close()
|
|
return [dict(r) for r in rows]
|
|
|
|
def list_project_relations(self, project_id: str) -> List[dict]:
|
|
conn = self.get_conn()
|
|
rows = conn.execute(
|
|
"SELECT * FROM entity_relations WHERE project_id = ? ORDER BY created_at DESC",
|
|
(project_id,)
|
|
).fetchall()
|
|
conn.close()
|
|
return [dict(r) for r in rows]
|
|
|
|
def update_relation(self, relation_id: str, **kwargs) -> dict:
|
|
conn = self.get_conn()
|
|
allowed_fields = ['relation_type', 'evidence']
|
|
updates = []
|
|
values = []
|
|
|
|
for field in allowed_fields:
|
|
if field in kwargs:
|
|
updates.append(f"{field} = ?")
|
|
values.append(kwargs[field])
|
|
|
|
if updates:
|
|
query = f"UPDATE entity_relations SET {', '.join(updates)} WHERE id = ?"
|
|
values.append(relation_id)
|
|
conn.execute(query, values)
|
|
conn.commit()
|
|
|
|
row = conn.execute("SELECT * FROM entity_relations WHERE id = ?", (relation_id,)).fetchone()
|
|
conn.close()
|
|
return dict(row) if row else None
|
|
|
|
def delete_relation(self, relation_id: str):
|
|
conn = self.get_conn()
|
|
conn.execute("DELETE FROM entity_relations WHERE id = ?", (relation_id,))
|
|
conn.commit()
|
|
conn.close()
|
|
|
|
# ==================== Glossary Operations ====================
|
|
|
|
def add_glossary_term(self, project_id: str, term: str, pronunciation: str = "") -> str:
|
|
conn = self.get_conn()
|
|
existing = conn.execute(
|
|
"SELECT * FROM glossary WHERE project_id = ? AND term = ?",
|
|
(project_id, term)
|
|
).fetchone()
|
|
|
|
if existing:
|
|
conn.execute("UPDATE glossary SET frequency = frequency + 1 WHERE id = ?", (existing['id'],))
|
|
conn.commit()
|
|
conn.close()
|
|
return existing['id']
|
|
|
|
term_id = str(uuid.uuid4())[:8]
|
|
conn.execute(
|
|
"INSERT INTO glossary (id, project_id, term, pronunciation, frequency) VALUES (?, ?, ?, ?, ?)",
|
|
(term_id, project_id, term, pronunciation, 1)
|
|
)
|
|
conn.commit()
|
|
conn.close()
|
|
return term_id
|
|
|
|
def list_glossary(self, project_id: str) -> List[dict]:
|
|
conn = self.get_conn()
|
|
rows = conn.execute(
|
|
"SELECT * FROM glossary WHERE project_id = ? ORDER BY frequency DESC",
|
|
(project_id,)
|
|
).fetchall()
|
|
conn.close()
|
|
return [dict(r) for r in rows]
|
|
|
|
def delete_glossary_term(self, term_id: str):
|
|
conn = self.get_conn()
|
|
conn.execute("DELETE FROM glossary WHERE id = ?", (term_id,))
|
|
conn.commit()
|
|
conn.close()
|
|
|
|
# ==================== Phase 4: Agent & Provenance ====================
|
|
|
|
def get_relation_with_details(self, relation_id: str) -> Optional[dict]:
|
|
conn = self.get_conn()
|
|
row = conn.execute(
|
|
"""SELECT r.*,
|
|
s.name as source_name, t.name as target_name,
|
|
tr.filename as transcript_filename, tr.full_text as transcript_text
|
|
FROM entity_relations r
|
|
JOIN entities s ON r.source_entity_id = s.id
|
|
JOIN entities t ON r.target_entity_id = t.id
|
|
LEFT JOIN transcripts tr ON r.transcript_id = tr.id
|
|
WHERE r.id = ?""",
|
|
(relation_id,)
|
|
).fetchone()
|
|
conn.close()
|
|
return dict(row) if row else None
|
|
|
|
def get_entity_with_mentions(self, entity_id: str) -> Optional[dict]:
|
|
conn = self.get_conn()
|
|
entity_row = conn.execute("SELECT * FROM entities WHERE id = ?", (entity_id,)).fetchone()
|
|
if not entity_row:
|
|
conn.close()
|
|
return None
|
|
|
|
entity = dict(entity_row)
|
|
entity['aliases'] = json.loads(entity['aliases']) if entity['aliases'] else []
|
|
|
|
mentions = conn.execute(
|
|
"""SELECT m.*, t.filename, t.created_at as transcript_date
|
|
FROM entity_mentions m
|
|
JOIN transcripts t ON m.transcript_id = t.id
|
|
WHERE m.entity_id = ? ORDER BY t.created_at, m.start_pos""",
|
|
(entity_id,)
|
|
).fetchall()
|
|
entity['mentions'] = [dict(m) for m in mentions]
|
|
entity['mention_count'] = len(mentions)
|
|
|
|
relations = conn.execute(
|
|
"""SELECT r.*, s.name as source_name, t.name as target_name
|
|
FROM entity_relations r
|
|
JOIN entities s ON r.source_entity_id = s.id
|
|
JOIN entities t ON r.target_entity_id = t.id
|
|
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
|
|
LEFT JOIN attribute_templates at ON ea.template_id = at.id
|
|
WHERE ea.entity_id = ? ORDER BY ea.created_at""",
|
|
(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
|