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    /*
     * Copyright (C) 2022  Aravinth Manivannan <realaravinth@batsense.net>
     *
     * This program is free software: you can redistribute it and/or modify
     * it under the terms of the GNU Affero General Public License as
     * published by the Free Software Foundation, either version 3 of the
     * License, or (at your option) any later version.
     *
     * This program is distributed in the hope that it will be useful,
     * but WITHOUT ANY WARRANTY; without even the implied warranty of
     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     * GNU Affero General Public License for more details.
     *
     * You should have received a copy of the GNU Affero General Public License
     * along with this program.  If not, see <https://www.gnu.org/licenses/>.
     */
    use std::cell::RefCell;

    use actix_identity::Identity;
    use actix_web::http::header::ContentType;
    use serde::{Deserialize, Serialize};
    use tera::Context;
    use uuid::Uuid;

    use super::get_auth_middleware;

    use crate::db::Site;
    use crate::pages::dash::TemplateSiteEvent;
    use crate::pages::errors::*;
    use crate::settings::Settings;
    use crate::AppCtx;

    pub use super::*;

    pub const DASH_SITE_VIEW: TemplateFile =
        TemplateFile::new("dash_site_view", "pages/dash/sites/view.html");

    const SHOW_DEPLOY_SECRET_KEY: &str = "show_deploy_secret";

    pub struct View {
        ctx: RefCell<Context>,
    }

    impl CtxError for View {
        fn with_error(&self, e: &ReadableError) -> String {
            self.ctx.borrow_mut().insert(ERROR_KEY, e);
            self.render()
        }
    }

    impl View {
        pub fn new(settings: &Settings, payload: Option<TemplateSiteWithEvents>) -> Self {
            let ctx = RefCell::new(context(settings));
            if let Some(payload) = payload {
                ctx.borrow_mut().insert(PAYLOAD_KEY, &payload);
            }

            Self { ctx }
        }

        pub fn show_deploy_secret(&mut self) {
            self.ctx.borrow_mut().insert(SHOW_DEPLOY_SECRET_KEY, &true);
        }

        pub fn render(&self) -> String {
            TEMPLATES
                .render(DASH_SITE_VIEW.name, &self.ctx.borrow())
                .unwrap()
        }
    }

    #[derive(Clone, Debug, Deserialize, Serialize, Eq, PartialEq)]
    pub struct TemplateSiteWithEvents {
        pub site: Site,
        pub view: String,
        pub delete: String,
        pub last_update: Option<TemplateSiteEvent>,
        pub events: Vec<TemplateSiteEvent>,
    }

    impl TemplateSiteWithEvents {
        pub fn new(
            site: Site,
            last_update: Option<TemplateSiteEvent>,
            events: Vec<TemplateSiteEvent>,
        ) -> Self {
            let view = PAGES.dash.site.get_view(site.pub_id);
            let delete = PAGES.dash.site.get_delete(site.pub_id);
            Self {
                site,
                last_update,
                view,
                delete,
                events,
            }
        }
    }

    #[derive(Serialize, Deserialize, Clone, Debug, Eq, PartialEq)]
    pub struct ViewOptions {
        show_deploy_secret: Option<bool>,
    }

    #[actix_web_codegen_const_routes::get(
        path = "PAGES.dash.site.view",
        wrap = "get_auth_middleware()"
    )]
    #[tracing::instrument(name = "Dashboard add site webpage", skip(ctx, id))]
    pub async fn get_view_site(
        ctx: AppCtx,
        id: Identity,
        path: web::Path<Uuid>,
        query: web::Query<ViewOptions>,
    ) -> PageResult<impl Responder, View> {
        let site_id = path.into_inner();
        let owner = id.identity().unwrap();

        let site = ctx
            .db
            .get_site_from_pub_id(site_id, owner)
            .await
            .map_err(|e| PageError::new(View::new(&ctx.settings, None), e))?;
        let last_update = ctx
            .db
            .get_latest_update_event(&site.hostname)
            .await
            .map_err(|e| PageError::new(View::new(&ctx.settings, None), e))?;

        let last_update = last_update.map(|e| e.into());

        let mut db_events = ctx
            .db
            .list_all_site_events(&site.hostname)
            .await
            .map_err(|e| PageError::new(View::new(&ctx.settings, None), e))?;

        let mut events = Vec::with_capacity(db_events.len());
        for e in db_events.drain(0..) {
            events.push(e.into());
        }

        let payload = TemplateSiteWithEvents::new(site, last_update, events);
        let mut page = View::new(&ctx.settings, Some(payload));
        if let Some(true) = query.show_deploy_secret {
            page.show_deploy_secret();
        }
        let add = page.render();
        let html = ContentType::html();
        Ok(HttpResponse::Ok().content_type(html).body(add))
    }

    pub fn services(cfg: &mut web::ServiceConfig) {
        cfg.service(get_view_site);
    }