src/render/mod.rs


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use systemd::unit;

use horrorshow::prelude::*;
use horrorshow::Raw;

#[derive(Debug)]
pub struct Renderer {
    pub user: Option<String>,
}

impl Renderer {
    fn render_in_page<'a>(&self, content: Box<RenderBox + 'a>) -> String {
        info!("Rendering page with context: {:?}", self);
        let login_box: Box<RenderBox> = match self.user {
            Some(ref user) => {
                box_html!{
                : "Logged in as ";
                : user;
                : " (";
                a(href="logout") {  // TODO get base url from context
                    : "log out"
                }
                : ")";
            }
            }
            None => {
                box_html! {
                a(href="login") {  // TODO Get base url from context
                    : "Login"
                }
            }
            }
        };

        (html!{
            : Raw("<!DOCTYPE html>");
            html {
                head {
                    title: "Systemhttpd";
                    link(rel="stylesheet", type="text/css", href="/static/main.css");
                }
                body {
                    nav {
                        ul {
                            li {
                                p { : "SystemHttpd" }
                            }
                        }
                        ul(class="right") {
                            li {
                                p {
                                    : login_box
                                }
                            }
                        }
                    }
                    main {
                        : content
                    }
                }
            }
        })
                .into_string()
                .unwrap()
    }

    pub fn login_page(&self, is_retry: bool) -> String {
        self.render_in_page(box_html! {
            h1 { : "Log in" }
            @ if is_retry {
                p {
                    : "Incorrect username or password. Try again."
                }
            }
            form(method="post") {
                p { : "Username" }
                input(type="text", name="username") {}
                p { : "Password" }
                input(type="text", name="password") {}
                p {}
                input(type="submit", value="Log in") {}
            }
        })
    }

    fn unit_table<'a>(&self, units: &'a [&unit::Unit]) -> Box<RenderBox + 'a> {
        fn render_unit<'a>(unit: &'a unit::Unit) -> Box<RenderBox + 'a> {
            box_html! {
                tr {
                    td {
                        a(href=format_args!("/status/{}", &unit.name)) {
                            : &unit.name
                        }
                    }
                    td {
                        : format_args!("{} ({})",
                                       &unit.active_state,
                                       &unit.sub_state)
                    }
                }
            }
        }

        box_html! {
            table {
                tr {
                    th {
                        : "Unit"
                    }
                    th {
                        : "Active"
                    }
                }
                @ for unit in units {
                    : render_unit(unit)
                }
            }
        }
    }

    pub fn system_status(&self, sections: &[(String, Vec<&unit::Unit>)]) -> String {
        self.render_in_page(box_html! {
                           @ for &(ref type_, ref units) in sections {
                               h1 {
                                   : type_
                               }
                               : self.unit_table(&units)
                           }
                       })
    }

    pub fn unit_status(&self, unit: &unit::Unit, log: &str) -> String {
        self.render_in_page(box_html! {
            h1 { :&unit.name }
            p { : format_args!("{} ({})", &unit.active_state, &unit.sub_state) }
            pre {
                : log
            }
        })
    }
}