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
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
use super::ToolResults;
use serde::{Deserialize, Serialize};
#[derive(Debug, Clone, Deserialize, Serialize)]
pub struct Message {
pub role: MessageRole,
pub content: MessageContent,
}
impl Default for Message {
fn default() -> Self {
Self {
role: MessageRole::User,
content: MessageContent::Text(String::new()),
}
}
}
impl Message {
pub fn new(role: MessageRole, content: MessageContent) -> Self {
Self { role, content }
}
pub fn merge_system(&mut self, system: &str) {
match &mut self.content {
MessageContent::Text(text) => {
self.content = MessageContent::Array(vec![
MessageContentPart::Text {
text: system.to_string(),
},
MessageContentPart::Text {
text: text.to_string(),
},
]);
}
MessageContent::Array(list) => {
list.insert(
0,
MessageContentPart::Text {
text: system.to_string(),
},
);
}
_ => {}
}
}
}
#[derive(Debug, Clone, Copy, PartialEq, Eq, Deserialize, Serialize)]
#[serde(rename_all = "snake_case")]
pub enum MessageRole {
System,
Assistant,
User,
}
#[allow(dead_code)]
impl MessageRole {
pub fn is_system(&self) -> bool {
matches!(self, MessageRole::System)
}
pub fn is_user(&self) -> bool {
matches!(self, MessageRole::User)
}
}
#[derive(Debug, Clone, Deserialize, Serialize)]
#[serde(untagged)]
pub enum MessageContent {
Text(String),
Array(Vec<MessageContentPart>),
// Note: This type is primarily for convenience and does not exist in OpenAI's API.
ToolResults(ToolResults),
}
impl MessageContent {
pub fn render_input(&self, resolve_url_fn: impl Fn(&str) -> String) -> String {
match self {
MessageContent::Text(text) => text.to_string(),
MessageContent::Array(list) => {
let (mut concated_text, mut files) = (String::new(), vec![]);
for item in list {
match item {
MessageContentPart::Text { text } => {
concated_text = format!("{concated_text} {text}")
}
MessageContentPart::ImageUrl { image_url } => {
files.push(resolve_url_fn(&image_url.url))
}
}
}
if !concated_text.is_empty() {
concated_text = format!(" -- {concated_text}")
}
format!(".file {}{}", files.join(" "), concated_text)
}
MessageContent::ToolResults(_) => String::new(),
}
}
pub fn merge_prompt(&mut self, replace_fn: impl Fn(&str) -> String) {
match self {
MessageContent::Text(text) => *text = replace_fn(text),
MessageContent::Array(list) => {
if list.is_empty() {
list.push(MessageContentPart::Text {
text: replace_fn(""),
})
} else if let Some(MessageContentPart::Text { text }) = list.get_mut(0) {
*text = replace_fn(text)
}
}
MessageContent::ToolResults(_) => {}
}
}
pub fn to_text(&self) -> String {
match self {
MessageContent::Text(text) => text.to_string(),
MessageContent::Array(list) => {
let mut parts = vec![];
for item in list {
if let MessageContentPart::Text { text } = item {
parts.push(text.clone())
}
}
parts.join("\n\n")
}
MessageContent::ToolResults(_) => String::new(),
}
}
}
#[derive(Debug, Clone, Deserialize, Serialize)]
#[serde(tag = "type", rename_all = "snake_case")]
pub enum MessageContentPart {
Text { text: String },
ImageUrl { image_url: ImageUrl },
}
#[derive(Debug, Clone, Deserialize, Serialize)]
pub struct ImageUrl {
pub url: String,
}
pub fn patch_system_message(messages: &mut Vec<Message>) {
if messages[0].role.is_system() {
let system_message = messages.remove(0);
if let (Some(message), MessageContent::Text(system)) =
(messages.get_mut(0), system_message.content)
{
message.merge_system(&system);
}
}
}
pub fn extract_system_message(messages: &mut Vec<Message>) -> Option<String> {
if messages[0].role.is_system() {
let system_message = messages.remove(0);
return Some(system_message.content.to_text());
}
None
}
|
