per_oxo 0.1.1

A highly reactive chat_server
Documentation 
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use serde::{Deserialize, Serialize};
use uuid::Uuid;

#[derive(Clone, Debug, Serialize, Deserialize)]
pub enum ChatMessage {
    // Direct message to a specific user
    DirectMessage {
        from: i32,
        to: i32,
        content: String,
        message_id: uuid::Uuid,
    },
    // Presence update (user online/offline)
    Presence {
        user: i32,
        status: PresenceStatus,
    },
    MessageAck {
        message_id: uuid::Uuid,
        timestamp: i64,
        status: MessageStatus,
    },

    GetPaginatedMessages {
        // paginataion cursor
        message_id: Option<uuid::Uuid>,
        // feat: add limit for pagination
        // limit: Option<u32>,
        conversation_id: String,
    },
    ChatHistoryResponse {
        messages: Vec<ResponseDirectMessage>,
        has_more: bool,
        next_cursor: Option<uuid::Uuid>,
    },
}

#[derive(Clone, Debug, Serialize, Deserialize)]
pub enum MessageStatus {
    Delivered,
    Persisted,
    Failed(String),
}

#[derive(Clone, Debug, Serialize, Deserialize)]
pub struct MessageAckResponse {
    pub message_id: uuid::Uuid,
    pub timestamp: i64,
    pub status: MessageStatus,
}

#[derive(Clone, Debug, Serialize, Deserialize)]
pub enum PresenceStatus {
    Online,
    Offline,
}

// Rename Struct to something more appropriate
#[derive(Clone, Debug, Serialize, Deserialize)]
pub struct ResponseDirectMessage {
    pub conversation_id: String,
    pub message_id: Uuid,
    pub sender_id: i32,
    pub recipient_id: i32,
    pub message_text: String,
    pub created_at: i64,
}