polish error state for dependency report

fixes #10

src/server/mod.rs

@@ -16,7 +16,6 @@ use ::models::repo::RepoPath;
 #[derive(Clone, Copy, PartialEq)]
 enum StatusFormat {
     Html,
-    Json,
     Svg
 }
 
@@ -49,7 +48,6 @@ impl Server {
         router.add("/static/favicon.png", Route::Static(StaticFile::FaviconPng));
 
         router.add("/repo/:site/:qual/:name", Route::Status(StatusFormat::Html));
-        router.add("/repo/:site/:qual/:name/status.json", Route::Status(StatusFormat::Json));
         router.add("/repo/:site/:qual/:name/status.svg", Route::Status(StatusFormat::Svg));
 
         Server { logger, engine, router: Arc::new(router) }
@@ -131,19 +129,13 @@ impl Server {
                     future::Either::B(server.engine.analyze_dependencies(repo_path.clone()).then(move |analyze_result| {
                         match analyze_result {
                             Err(err) => {
-                                if format != StatusFormat::Svg {
-                                    error!(logger, "error: {}", err);
-                                    let mut response = views::html::error::render("Failed to analyze repository",
-                                        "The repository you requested might be structured in an uncommon way that is not yet supported.");
-                                    response.set_status(StatusCode::InternalServerError);
-                                    future::Either::A(future::ok(response))
-                                } else {
-                                    future::Either::A(future::ok(views::status_svg(None)))
-                                }
+                                error!(logger, "error: {}", err);
+                                let response = Server::status_format_analysis(None, format, repo_path);
+                                future::ok(response)
                             },
                             Ok(analysis_outcome) => {
-                                let response = Server::status_format_analysis(analysis_outcome, format, repo_path);
-                                future::Either::B(future::ok(response))
+                                let response = Server::status_format_analysis(Some(analysis_outcome), format, repo_path);
+                                future::ok(response)
                             }
                         }
                     }))
@@ -152,12 +144,10 @@ impl Server {
         })
     }
 
-    fn status_format_analysis(analysis_outcome: AnalyzeDependenciesOutcome, format: StatusFormat, repo_path: RepoPath) -> Response {
+    fn status_format_analysis(analysis_outcome: Option<AnalyzeDependenciesOutcome>, format: StatusFormat, repo_path: RepoPath) -> Response {
         match format {
-            StatusFormat::Json =>
-                views::status_json(analysis_outcome),
             StatusFormat::Svg =>
-                views::status_svg(Some(analysis_outcome)),
+                views::status_svg(analysis_outcome),
             StatusFormat::Html =>
                 views::html::status::render(analysis_outcome, repo_path)
         }

src/server/views/html/status.rs

@@ -85,10 +85,35 @@ fn dependency_table(title: &str, deps: BTreeMap<CrateName, AnalyzedDependency>)
     }
 }
 
-pub fn render(analysis_outcome: AnalyzeDependenciesOutcome, repo_path: RepoPath) -> Response {
+fn render_failure(repo_path: RepoPath) -> Markup {
+    html! {
+        section class="hero is-light" {
+            div class="hero-head" (super::render_navbar())
+            div class="hero-body" {
+                div class="container" {
+                    h1 class="title is-1" {
+                        a href=(format!("{}/{}/{}", repo_path.site.to_base_uri(), repo_path.qual.as_ref(), repo_path.name.as_ref())) {
+                            i class="fa fa-github" ""
+                            (format!(" {} / {}", repo_path.qual.as_ref(), repo_path.name.as_ref()))
+                        }
+                    }
+                }
+            }
+        }
+        section class="section" {
+            div class="container" {
+                div class="notification is-danger" {
+                    h2 class="title is-3" "Failed to analyze repository"
+                    p "The repository you requested might be structured in an uncommon way that is not yet supported."
+                }
+            }
+        }
+    }
+}
+
+fn render_success(analysis_outcome: AnalyzeDependenciesOutcome, repo_path: RepoPath) -> Markup {
     let self_path = format!("repo/{}/{}/{}", repo_path.site.as_ref(), repo_path.qual.as_ref(), repo_path.name.as_ref());
     let status_base_url = format!("{}/{}", &super::SELF_BASE_URL as &str, self_path);
-    let title = format!("{} / {}", repo_path.qual.as_ref(), repo_path.name.as_ref());
 
     let (hero_class, status_asset) = if analysis_outcome.any_outdated() {
         ("is-warning", assets::BADGE_OUTDATED_SVG.as_ref())
@@ -98,7 +123,7 @@ pub fn render(analysis_outcome: AnalyzeDependenciesOutcome, repo_path: RepoPath)
 
     let status_data_url = format!("data:image/svg+xml;base64,{}", Base64Display::standard(status_asset));
 
-    super::render_html(&title, html! {
+    html! {
         section class=(format!("hero {}", hero_class)) {
             div class="hero-head" (super::render_navbar())
             div class="hero-body" {
@@ -128,5 +153,15 @@ pub fn render(analysis_outcome: AnalyzeDependenciesOutcome, repo_path: RepoPath)
                 }
             }
         }
-    })
+    }
+}
+
+pub fn render(analysis_outcome: Option<AnalyzeDependenciesOutcome>, repo_path: RepoPath) -> Response {
+    let title = format!("{} / {}", repo_path.qual.as_ref(), repo_path.name.as_ref());
+
+    if let Some(outcome) = analysis_outcome {
+        super::render_html(&title, render_success(outcome, repo_path))
+    } else {
+        super::render_html(&title, render_failure(repo_path))
+    }
 }

src/server/views/mod.rs

@@ -1,7 +1,4 @@
 pub mod html;
 
-mod status_json;
-pub use self::status_json::status_json;
-
 mod status_svg;
 pub use self::status_svg::status_svg;

src/server/views/status_json.rs

@@ -1,63 +0,0 @@
-use std::collections::BTreeMap;
-
-use hyper::Response;
-use hyper::header::ContentType;
-use semver::{Version, VersionReq};
-use serde_json;
-
-use ::engine::AnalyzeDependenciesOutcome;
-
-#[derive(Debug, Serialize)]
-struct AnalyzeDependenciesResponseDetail {
-    required: VersionReq,
-    latest: Option<Version>,
-    outdated: bool
-}
-
-#[derive(Debug, Serialize)]
-struct AnalyzeDependenciesResponseSingle {
-    dependencies: BTreeMap<String, AnalyzeDependenciesResponseDetail>,
-    #[serde(rename="dev-dependencies")]
-    dev_dependencies: BTreeMap<String, AnalyzeDependenciesResponseDetail>,
-    #[serde(rename="build-dependencies")]
-    build_dependencies: BTreeMap<String, AnalyzeDependenciesResponseDetail>
-}
-
-#[derive(Debug, Serialize)]
-struct AnalyzeDependenciesResponse {
-    crates: BTreeMap<String, AnalyzeDependenciesResponseSingle>
-}
-
-pub fn status_json(analysis_outcome: AnalyzeDependenciesOutcome) -> Response {
-    let crates = analysis_outcome.crates.into_iter().map(|(crate_name, analyzed_deps)| {
-        let single = AnalyzeDependenciesResponseSingle {
-            dependencies: analyzed_deps.main.into_iter()
-                .map(|(name, analyzed)| (name.into(), AnalyzeDependenciesResponseDetail {
-                    outdated: analyzed.is_outdated(),
-                    required: analyzed.required,
-                    latest: analyzed.latest
-                })).collect(),
-            dev_dependencies: analyzed_deps.dev.into_iter()
-                .map(|(name, analyzed)| (name.into(), AnalyzeDependenciesResponseDetail {
-                    outdated: analyzed.is_outdated(),
-                    required: analyzed.required,
-                    latest: analyzed.latest
-                })).collect(),
-            build_dependencies: analyzed_deps.build.into_iter()
-                .map(|(name, analyzed)| (name.into(), AnalyzeDependenciesResponseDetail {
-                    outdated: analyzed.is_outdated(),
-                    required: analyzed.required,
-                    latest: analyzed.latest
-                })).collect()
-        };
-        (crate_name.into(), single)
-    });
-
-    let multi = AnalyzeDependenciesResponse {
-        crates: crates.collect()
-    };
-
-    Response::new()
-        .with_header(ContentType::json())
-        .with_body(serde_json::to_string(&multi).unwrap())
-}