239 lines
6.4 KiB
Rust
239 lines
6.4 KiB
Rust
use std::{fs, io};
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use chrono::prelude::*;
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use serde::{Deserialize, Serialize};
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use thiserror::Error;
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use tracing::{debug, error, instrument};
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use url::Url;
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pub type Campaigns = Vec<Object<Campaign>>;
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pub type Pledges = Vec<Object<Pledge>>;
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pub type Users = Vec<Object<User>>;
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#[derive(Debug, Serialize, Deserialize, Clone)]
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pub struct Campaign {
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pub summary: String,
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pub creation_name: String,
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pub display_patron_goals: bool,
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pub pay_per_name: String,
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pub one_liner: Option<String>,
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pub main_video_embed: Option<String>,
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pub main_video_url: Option<String>,
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pub image_small_url: String,
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pub image_url: String,
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pub thanks_video_url: Option<String>,
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pub thanks_embed: Option<String>,
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pub thanks_msg: String,
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pub is_charged_immediately: bool,
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pub is_monthly: bool,
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pub is_nsfw: bool,
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pub is_plural: bool,
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pub created_at: DateTime<Utc>,
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pub published_at: DateTime<Utc>,
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pub pledge_url: String,
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pub pledge_sum: i32,
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pub patron_count: u32,
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pub creation_count: u32,
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pub outstanding_payment_amount_cents: u64,
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}
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#[derive(Debug, Serialize, Deserialize, Clone)]
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pub struct Pledge {
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pub amount_cents: u32,
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pub created_at: String,
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pub declined_since: Option<String>,
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pub pledge_cap_cents: u32,
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pub patron_pays_fees: bool,
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pub total_historical_amount_cents: Option<u32>,
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pub is_paused: Option<bool>,
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pub has_shipping_address: Option<bool>,
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pub outstanding_payment_amount_cents: Option<u32>,
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}
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#[derive(Debug, Serialize, Deserialize, Clone)]
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pub struct User {
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pub first_name: String,
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pub last_name: String,
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pub full_name: String,
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pub vanity: Option<String>,
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pub about: Option<String>,
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pub gender: i32,
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pub image_url: String,
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pub thumb_url: String,
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pub created: DateTime<Utc>,
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pub url: String,
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}
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#[derive(Debug, Serialize, Deserialize, Clone)]
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pub struct RefreshGrant {
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pub access_token: String,
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pub refresh_token: String,
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pub expires_in: serde_json::Value,
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pub scope: serde_json::Value,
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pub token_type: String,
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}
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pub type Result<T> = std::result::Result<T, Error>;
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#[derive(Error, Debug)]
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pub enum Error {
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#[error("json error: {0}")]
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Json(#[from] serde_json::Error),
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#[error("request error: {0}")]
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Request(#[from] reqwest::Error),
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#[error("{0}")]
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IO(#[from] io::Error),
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#[error("url parse error: {0}")]
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URLParse(#[from] url::ParseError),
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}
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#[derive(Debug, Serialize, Deserialize, Clone, Default, Eq, PartialEq)]
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pub struct Credentials {
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pub client_id: String,
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pub client_secret: String,
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pub access_token: String,
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pub refresh_token: String,
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}
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pub struct Client {
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cli: reqwest::Client,
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base_url: String,
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creds: Credentials,
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}
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#[derive(Debug, Serialize, Deserialize, Clone)]
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pub struct Data<T, U> {
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pub data: T,
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pub included: Option<Vec<U>>,
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}
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#[derive(Debug, Serialize, Deserialize, Clone)]
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pub struct Object<T> {
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pub id: String,
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pub attributes: T,
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pub r#type: String,
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pub links: Option<Links>,
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}
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#[derive(Debug, Serialize, Deserialize, Clone)]
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pub struct Links {
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related: String,
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}
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impl Client {
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pub fn new() -> Result<Self> {
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let mut p = dirs::home_dir().unwrap_or(".".into());
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p.push(".patreon.json");
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let config = fs::read_to_string(p)?;
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let creds = serde_json::from_str(&config)?;
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Ok(Self {
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cli: reqwest::Client::new(),
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base_url: "https://api.patreon.com".into(),
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creds,
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})
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}
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#[instrument(skip(self))]
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pub async fn campaign(&self) -> Result<Data<Vec<Object<Campaign>>, ()>> {
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let data = self
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.cli
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.get(&format!(
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"{}/oauth2/api/current_user/campaigns",
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self.base_url
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))
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.query(&[("include", "patron.null"), ("includes", "")])
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.header(
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"Authorization",
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format!("Bearer {}", self.creds.access_token),
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)
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.send()
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.await?
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.error_for_status()?
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.text()
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.await?;
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debug!("campaign response: {}", data);
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Ok(serde_json::from_str(&data)?)
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}
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#[instrument(skip(self))]
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pub async fn pledges(&self, camp_id: String) -> Result<Vec<Object<User>>> {
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let data = self
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.cli
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.get(&format!(
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"{}/oauth2/api/campaigns/{}/pledges",
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self.base_url, camp_id
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))
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.query(&[("include", "patron.null"), ("page[count]", "100")])
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.header(
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"Authorization",
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format!("Bearer {}", self.creds.access_token),
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)
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.send()
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.await?
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.error_for_status()?
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.text()
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.await?;
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debug!("pledges for {}: {}", camp_id, data);
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let data: Data<Vec<Object<Pledge>>, Object<User>> = serde_json::from_str(&data)?;
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Ok(data.included.unwrap())
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}
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/*
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POST www.patreon.com/api/oauth2/token
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?grant_type=refresh_token
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&refresh_token=<the user‘s refresh_token>
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&client_id=<your client id>
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&client_secret=<your client secret>
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1. grab new creds
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2. serialize new creds to disk
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3. reload current creds in ram
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4. ???
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5. profit!
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*/
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#[instrument(skip(self))]
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pub async fn refresh_token(&mut self) -> Result<()> {
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let mut u = Url::parse(&self.base_url)?;
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u.set_path("/api/oauth2/token");
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u.query_pairs_mut()
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.append_pair("grant_type", "refresh_token")
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.append_pair("refresh_token", &self.creds.refresh_token)
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.append_pair("client_id", &self.creds.client_id)
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.append_pair("client_secret", &self.creds.client_secret);
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let rg: RefreshGrant = self
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.cli
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.post(&u.to_string())
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.header(
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"Authorization",
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format!("Bearer {}", self.creds.access_token),
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)
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.send()
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.await?
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.error_for_status()?
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.json()
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.await?;
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let mut creds = self.creds.clone();
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creds.access_token = rg.access_token;
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creds.refresh_token = rg.refresh_token;
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let mut p = dirs::home_dir().unwrap_or(".".into());
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p.push(".patreon.json");
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if p.exists() {
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fs::remove_file(&p)?;
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}
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let mut fout = fs::File::create(p)?;
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serde_json::to_writer(&mut fout, &creds)?;
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self.creds = creds;
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Ok(())
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}
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}
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