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//! An implementation of [`bellhop::hooks::Hook`] that starts a Jenkins job
//! when leases are created or released, or when they're about to expire.
//!
//! ## Routes
//!
//! Provides no routes.
//!
//! ## Catchers
//!
//! Provides no catchers.
//!
//! ## Configuration
//!
//! None yet :(
//!
//! ## Example
//!
//! ```no_run
//! use bellhop::Bellhop;
//! use bellhop_hook_jenkins::Jenkins;
//!
//! fn main() {
//!     Bellhop::default()
//!         .hook(Jenkins)
//!         .start()
//! }
//! ```

#![deny(missing_docs)]
#![allow(proc_macro_derive_resolution_fallback)] // Should be fixed in the next major Diesel version

#[macro_use]
extern crate diesel;
#[macro_use]
extern crate serde_derive;

mod models;
mod schema;

use crate::models::{HookPoint, JenkinsHook};

use bellhop::db::Db;
use bellhop::hooks::{Data, Error, ErrorKind, Hook};

use diesel::prelude::*;

use reqwest::Client;

/// A [`bellhop::hooks::Hook`] implementation that triggers Jenkins jobs.
///
/// See the crate documentation for more details.
#[derive(Debug)]
pub struct Jenkins;

impl Jenkins {
    fn run(db: &Db, data: Data, by_hook_at: HookPoint) -> Result<(), Error> {
        use crate::schema::jenkins_hooks::dsl::*;

        let hook: Option<JenkinsHook> = JenkinsHook::belonging_to(data.asset_type())
            .filter(hook_at.eq(by_hook_at as i16))
            .get_result(db.raw())
            .optional()
            .map_err(Error::for_kind(ErrorKind::msg("database error")))?;

        let hook = match hook {
            Some(x) => x,
            None => return Ok(()),
        };

        #[derive(Debug, Serialize)]
        struct Kv {
            name: String,
            value: String,
        }

        #[derive(Debug, Serialize)]
        struct Body {
            parameter: Vec<Kv>,
        }

        let body = Body {
            parameter: vec![Kv {
                name: "hook_at".to_owned(),
                value: by_hook_at.to_string(),
            }],
        };

        let client = Client::new();
        let resp = client
            .post(hook.url())
            .basic_auth(hook.username(), Some(hook.token()))
            .json(&body)
            .send();

        println!("POST: {:?}", &resp);
        println!("POST RESP: {:?}", resp.unwrap().text());

        Ok(())
    }
}

impl Hook for Jenkins {
    fn leased(&self, db: &Db, data: Data) -> Result<(), Error> {
        Self::run(db, data, HookPoint::Leased)
    }

    fn returned(&self, db: &Db, data: Data) -> Result<(), Error> {
        Self::run(db, data, HookPoint::Returned)
    }

    fn evicted(&self, db: &Db, data: Data) -> Result<(), Error> {
        Self::run(db, data, HookPoint::Evicted)
    }
}