Sharang Parnerkar
a588be306a
Co-authored-by: Sharang Parnerkar <parnerkarsharang@gmail.com> Reviewed-on: #6
72 lines
1.9 KiB
Rust
72 lines
1.9 KiB
Rust
use serde::{Deserialize, Serialize};
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/// The role of a participant in a chat conversation.
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#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
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pub enum ChatRole {
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/// Message sent by the human user
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User,
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/// Message generated by the AI assistant
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Assistant,
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/// System-level instruction (not displayed in UI)
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System,
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}
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/// The type of file attached to a chat message.
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#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
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pub enum AttachmentKind {
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/// Image file (png, jpg, webp, etc.)
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Image,
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/// Document file (pdf, docx, txt, etc.)
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Document,
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/// Source code file
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Code,
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}
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/// A file attachment on a chat message.
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///
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/// # Fields
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///
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/// * `name` - Original filename
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/// * `kind` - Type of attachment for rendering
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/// * `size_bytes` - File size in bytes
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#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
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pub struct Attachment {
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pub name: String,
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pub kind: AttachmentKind,
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pub size_bytes: u64,
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}
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/// A single message in a chat conversation.
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///
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/// # Fields
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///
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/// * `id` - Unique message identifier
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/// * `role` - Who sent this message
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/// * `content` - The message text content
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/// * `attachments` - Optional file attachments
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/// * `timestamp` - ISO 8601 timestamp string
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#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
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pub struct ChatMessage {
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pub id: String,
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pub role: ChatRole,
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pub content: String,
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pub attachments: Vec<Attachment>,
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pub timestamp: String,
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}
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/// A chat session containing a conversation history.
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///
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/// # Fields
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///
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/// * `id` - Unique session identifier
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/// * `title` - Display title (usually derived from first message)
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/// * `messages` - Ordered list of messages in the session
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/// * `created_at` - ISO 8601 creation timestamp
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#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
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pub struct ChatSession {
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pub id: String,
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pub title: String,
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pub messages: Vec<ChatMessage>,
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pub created_at: String,
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}
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