send_text/
send_text.rs

1//! Approve a fresh QR login and submit one text message, with no automatic resend.
2mod support;
3
4use anyhow::{ensure, Context};
5use wechat_protocol::wire;
6
7fn main() -> anyhow::Result<()> {
8    let args: Vec<_> = std::env::args().skip(1).collect();
9    if args.iter().any(|arg| arg == "--help") {
10        println!("send_text RECIPIENT TASK_ID TEXT\nUses a fresh test-account QR login and submits once.");
11        return Ok(());
12    }
13    ensure!(args.len() == 3, "Usage: send_text RECIPIENT TASK_ID TEXT");
14    let (recipient, task_id, text) = (&args[0], &args[1], &args[2]);
15    let client_id = wire::client_message_id(task_id.as_bytes());
16    ensure!(client_id != 0, "Choose another nonempty task ID");
17    // Validate arguments before requesting any login. A real application records
18    // this operation and timestamp before submitting it, and retains its result.
19    wire::text_send_request(recipient, text, wire::unix_time()?, client_id)?;
20    let (client, mut state) = support::login()?;
21    let created_at = wire::unix_time()?;
22    let receipt = client
23        .send_text(&mut state, recipient, text, created_at, client_id)
24        .context(
25            "Send outcome may be uncertain. Investigate before submitting this operation again",
26        )?;
27    println!("{}", serde_json::to_string_pretty(&receipt)?);
28    ensure!(receipt.accepted, "The server rejected this text send");
29    ensure!(
30        receipt.returned_destination_matches && receipt.returned_client_id_matches,
31        "Receipt identity mismatch; investigate before submitting again"
32    );
33    Ok(())
34}
send_text/send_text.rs

send_text/
send_text.rs
