link-common 0.5.2-rc.2

Shared Rust implementation for KalamDB link crates
Documentation 
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use std::collections::HashMap;

use kalamdb_commons::{ChangeTypeRaw, Role, UserId};
use serde::{Deserialize, Serialize};

use super::ProtocolOptions;
use crate::{
    models::{KalamCellValue, SchemaField},
    subscription::models::BatchControl,
};

/// WebSocket message types sent from server to client.
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(tag = "type", rename_all = "snake_case")]
pub enum ServerMessage {
    AuthSuccess {
        user: UserId,
        role: Role,
        protocol: ProtocolOptions,
    },
    AuthError {
        message: String,
    },
    SubscriptionAck {
        subscription_id: String,
        total_rows: u32,
        batch_control: BatchControl,
        schema: Vec<SchemaField>,
    },
    InitialDataBatch {
        subscription_id: String,
        rows: Vec<HashMap<String, KalamCellValue>>,
        batch_control: BatchControl,
    },
    Change {
        subscription_id: String,
        change_type: ChangeTypeRaw,
        #[serde(skip_serializing_if = "Option::is_none")]
        rows: Option<Vec<HashMap<String, KalamCellValue>>>,
        #[serde(skip_serializing_if = "Option::is_none")]
        old_values: Option<Vec<HashMap<String, KalamCellValue>>>,
    },
    Error {
        subscription_id: String,
        code: String,
        message: String,
    },
}