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use crate::client::MpesaResult;
use crate::{CommandId, Mpesa, MpesaError, MpesaSecurity};
use reqwest::blocking::Client;
use serde::{Deserialize, Serialize};
use serde_json::Value;
#[derive(Debug, Serialize)]
struct B2cPayload<'a> {
InitiatorName: &'a str,
SecurityCredential: &'a str,
CommandID: CommandId,
Amount: u32,
PartyA: &'a str,
PartyB: &'a str,
Remarks: &'a str,
QueueTimeOutURL: &'a str,
ResultURL: &'a str,
Occasion: &'a str,
}
#[derive(Debug, Deserialize, Clone)]
pub struct B2cResponse {
ConversationID: String,
OriginatorConversationID: String,
ResponseCode: String,
ResponseDescription: String,
}
#[allow(dead_code)]
impl<'a> B2cResponse {
pub fn conversation_id(&'a self) -> &'a str {
&self.ConversationID
}
pub fn originator_conversation_id(&'a self) -> &'a str {
&self.OriginatorConversationID
}
pub fn response_code(&'a self) -> &'a str {
&self.ResponseCode
}
pub fn response_description(&'a self) -> &'a str {
&self.ResponseDescription
}
}
#[derive(Debug)]
pub struct B2cBuilder<'a> {
initiator_name: &'a str,
client: &'a Mpesa,
command_id: Option<CommandId>,
amount: Option<u32>,
party_a: Option<&'a str>,
party_b: Option<&'a str>,
remarks: Option<&'a str>,
queue_timeout_url: Option<&'a str>,
result_url: Option<&'a str>,
occasion: Option<&'a str>,
}
impl<'a> B2cBuilder<'a> {
pub fn new(client: &'a Mpesa, initiator_name: &'a str) -> B2cBuilder<'a> {
B2cBuilder {
client,
initiator_name,
amount: None,
party_a: None,
party_b: None,
remarks: None,
queue_timeout_url: None,
result_url: None,
occasion: None,
command_id: None,
}
}
pub fn command_id(mut self, command_id: CommandId) -> B2cBuilder<'a> {
self.command_id = Some(command_id);
self
}
pub fn party_a(mut self, party_a: &'a str) -> B2cBuilder<'a> {
self.party_a = Some(party_a);
self
}
pub fn party_b(mut self, party_b: &'a str) -> B2cBuilder<'a> {
self.party_b = Some(party_b);
self
}
#[deprecated]
pub fn parties(mut self, party_a: &'a str, party_b: &'a str) -> B2cBuilder<'a> {
self.party_a = Some(party_a);
self.party_b = Some(party_b);
self
}
pub fn remarks(mut self, remarks: &'a str) -> B2cBuilder<'a> {
self.remarks = Some(remarks);
self
}
pub fn occasion(mut self, occasion: &'a str) -> B2cBuilder<'a> {
self.occasion = Some(occasion);
self
}
pub fn amount(mut self, amount: u32) -> B2cBuilder<'a> {
self.amount = Some(amount);
self
}
pub fn timeout_url(mut self, timeout_url: &'a str) -> B2cBuilder<'a> {
self.queue_timeout_url = Some(timeout_url);
self
}
pub fn result_url(mut self, result_url: &'a str) -> B2cBuilder<'a> {
self.result_url = Some(result_url);
self
}
#[deprecated]
pub fn urls(mut self, timeout_url: &'a str, result_url: &'a str) -> B2cBuilder<'a> {
self.queue_timeout_url = Some(timeout_url);
self.result_url = Some(result_url);
self
}
pub fn send(self) -> MpesaResult<B2cResponse> {
let url = format!(
"{}/mpesa/b2c/v1/paymentrequest",
self.client.environment().base_url()
);
let credentials = self.client.gen_security_credentials()?;
let payload = B2cPayload {
InitiatorName: self.initiator_name,
SecurityCredential: &credentials,
CommandID: self.command_id.unwrap_or(CommandId::BusinessPayment),
Amount: self.amount.unwrap_or(10),
PartyA: self.party_a.unwrap_or("None"),
PartyB: self.party_b.unwrap_or("None"),
Remarks: self.remarks.unwrap_or("None"),
QueueTimeOutURL: self.queue_timeout_url.unwrap_or("None"),
ResultURL: self.result_url.unwrap_or("None"),
Occasion: self.occasion.unwrap_or("None"),
};
let response = Client::new()
.post(&url)
.bearer_auth(self.client.auth()?)
.json(&payload)
.send()?;
if response.status().is_success() {
let value: B2cResponse = response.json()?;
return Ok(value);
}
let value: Value = response.json()?;
Err(MpesaError::B2cError(value))
}
}