File size: 3,324 Bytes
ccaf67e
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
from pydantic import BaseModel
from peewee import *
from playhouse.shortcuts import model_to_dict
from typing import List, Union, Optional

from apps.webui.internal.db import DB
from apps.webui.models.chats import Chats

import time
import uuid

####################
# Memory DB Schema
####################


class Memory(Model):
    id = CharField(unique=True)
    user_id = CharField()
    content = TextField()
    updated_at = BigIntegerField()
    created_at = BigIntegerField()

    class Meta:
        database = DB


class MemoryModel(BaseModel):
    id: str
    user_id: str
    content: str
    updated_at: int  # timestamp in epoch
    created_at: int  # timestamp in epoch


####################
# Forms
####################


class MemoriesTable:
    def __init__(self, db):
        self.db = db
        self.db.create_tables([Memory])

    def insert_new_memory(
        self,
        user_id: str,
        content: str,
    ) -> Optional[MemoryModel]:
        id = str(uuid.uuid4())

        memory = MemoryModel(
            **{
                "id": id,
                "user_id": user_id,
                "content": content,
                "created_at": int(time.time()),
                "updated_at": int(time.time()),
            }
        )
        result = Memory.create(**memory.model_dump())
        if result:
            return memory
        else:
            return None

    def update_memory_by_id(
        self,
        id: str,
        content: str,
    ) -> Optional[MemoryModel]:
        try:
            memory = Memory.get(Memory.id == id)
            memory.content = content
            memory.updated_at = int(time.time())
            memory.save()
            return MemoryModel(**model_to_dict(memory))
        except:
            return None

    def get_memories(self) -> List[MemoryModel]:
        try:
            memories = Memory.select()
            return [MemoryModel(**model_to_dict(memory)) for memory in memories]
        except:
            return None

    def get_memories_by_user_id(self, user_id: str) -> List[MemoryModel]:
        try:
            memories = Memory.select().where(Memory.user_id == user_id)
            return [MemoryModel(**model_to_dict(memory)) for memory in memories]
        except:
            return None

    def get_memory_by_id(self, id) -> Optional[MemoryModel]:
        try:
            memory = Memory.get(Memory.id == id)
            return MemoryModel(**model_to_dict(memory))
        except:
            return None

    def delete_memory_by_id(self, id: str) -> bool:
        try:
            query = Memory.delete().where(Memory.id == id)
            query.execute()  # Remove the rows, return number of rows removed.

            return True

        except:
            return False

    def delete_memories_by_user_id(self, user_id: str) -> bool:
        try:
            query = Memory.delete().where(Memory.user_id == user_id)
            query.execute()

            return True
        except:
            return False

    def delete_memory_by_id_and_user_id(self, id: str, user_id: str) -> bool:
        try:
            query = Memory.delete().where(Memory.id == id, Memory.user_id == user_id)
            query.execute()

            return True
        except:
            return False


Memories = MemoriesTable(DB)