File size: 4,079 Bytes
78f53a7
 
 
 
 
b0fc7d6
 
78f53a7
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
e4800a1
 
 
b0fc7d6
78f53a7
 
 
d1b7cc6
 
78f53a7
b0fc7d6
d1b7cc6
78f53a7
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
b0fc7d6
78f53a7
 
 
 
 
 
 
 
 
 
b0fc7d6
 
78f53a7
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
134
135
import os
import mesop as me
from dataclasses import dataclass, field
from typing import Callable, Generator, Literal
import time
# from rag_app.rag import extract_final_answer, answer_question
from rag_app.rag_2 import check_if_exists, precompute_index, answer_question

Role = Literal["user", "assistant"]
_ROLE_USER = "user"
_ROLE_ASSISTANT = "assistant"

_COLOR_CHAT_BUBBLE_YOU = me.theme_var("surface-container-low")
_COLOR_CHAT_BUBBLE_BOT = me.theme_var("secondary-container")
_DEFAULT_BORDER_SIDE = me.BorderSide(
    width="1px", style="solid", color=me.theme_var("secondary-fixed")
)
_STYLE_CHAT_BUBBLE_NAME = me.Style(
    font_weight="bold",
    font_size="12px",
    padding=me.Padding(left=15, right=15, bottom=5),
)


@dataclass(kw_only=True)
class ChatMessage:
    role: Role = "user"
    content: str = ""


@me.stateclass
class State:
    input: str = ""
    output: list[ChatMessage] = field(default_factory=list)
    in_progress: bool = False
    pdf_files: list[str] = field(default_factory=list)  # Changed to a list


def respond_to_chat(query: str, history: list[ChatMessage]):
    # if not check_if_exists():
    #     print("computing the vector index and the BM 25 retriever which will later be used")
    #     precompute_index()
    
    assistant_message = ChatMessage(role=_ROLE_ASSISTANT)
    yield assistant_message
    state = me.state(State)
    if len(state.pdf_files) == 0:
        response = answer_question(query)
    else:
        response = answer_question(query)
        
    print("Agent response=", response)
    yield response
    

def on_chat_input(e: me.InputEvent):
    state = me.state(State)
    state.input = e.value


def on_click_submit_chat_msg(e: me.ClickEvent | me.InputEnterEvent):
    state = me.state(State)
    if state.in_progress or not state.input:
        return
    input_ = state.input
    state.input = ""
    yield
    
    output = state.output
    output.append(ChatMessage(role=_ROLE_USER, content=input_))
    state.in_progress = True
    me.scroll_into_view(key="scroll-to")
    yield
    
    start_time = time.time()
    for content in respond_to_chat(input_, state.output):
        if isinstance(content, ChatMessage):
            assistant_message = content
            output.append(assistant_message)
            state.output = output
        else:
            assistant_message.content += content
            if (time.time() - start_time) >= 0.25:
                start_time = time.time()
                yield
    
    state.in_progress = False
    yield


def _make_style_chat_bubble_wrapper(role: Role) -> me.Style:
    align_items = "end" if role == _ROLE_USER else "start"
    return me.Style(
        display="flex",
        flex_direction="column",
        align_items=align_items,
    )


def _make_chat_bubble_style(role: Role) -> me.Style:
    background = _COLOR_CHAT_BUBBLE_YOU
    if role == _ROLE_ASSISTANT:
        background = _COLOR_CHAT_BUBBLE_BOT
    return me.Style(
        width="80%",
        font_size="13px",
        background=background,
        border_radius="15px",
        padding=me.Padding(right=15, left=15, bottom=3),
        margin=me.Margin(bottom=10),
        border=me.Border(
            left=_DEFAULT_BORDER_SIDE,
            right=_DEFAULT_BORDER_SIDE,
            top=_DEFAULT_BORDER_SIDE,
            bottom=_DEFAULT_BORDER_SIDE,
        ),
    )


def save_uploaded_file(uploaded_file: me.UploadedFile):
    save_directory = "data"
    os.makedirs(save_directory, exist_ok=True)
    file_path = os.path.join(save_directory, uploaded_file.name)
    with open(file_path, "wb") as f:
        f.write(uploaded_file.getvalue())
    print(f"File saved successfully at {file_path}")
    

def handle_pdf_upload(event: me.UploadEvent):
    state = me.state(State)
    save_uploaded_file(event.file)
    print("precomputing vector indices")
    precompute_index()
    state.pdf_files.append(os.path.join("docs", event.file.name))