.sqlx/query-689a5177bdbc4ac788579a47fe033eb6b9639a356fe7ec543691e385ffef51e7.json

@@ -1,32 +0,0 @@
-{
-  "db_name": "PostgreSQL",
-  "query": "WITH RECURSIVE item_class_children AS (\n                SELECT\n                    item_classes.id,\n                    array_remove(array_agg(children.id), NULL) AS \"children\"\n                FROM item_classes\n                LEFT JOIN item_classes AS \"children\"\n                    ON item_classes.id = children.parent\n                GROUP BY item_classes.id\n            ),\n            cte AS (\n                SELECT\n                    item_classes.id,\n                    item_classes.name,\n                    item_class_children.children,\n                    0 AS \"reverse_level\"\n                FROM item_classes\n                JOIN item_class_children\n                    ON item_classes.id = item_class_children.id\n                WHERE item_class_children.children = '{}'\n\n                UNION\n\n                SELECT\n                    item_classes.id,\n                    item_classes.name,\n                    item_class_children.children,\n                    cte.reverse_level + 1\n                FROM item_classes\n                JOIN item_class_children\n                    ON item_classes.id = item_class_children.id\n                JOIN cte\n                    ON cte.id = ANY (item_class_children.children)\n            )\n            SELECT\n                id AS \"id!\",\n                name AS \"name!\",\n                children AS \"children!\"\n            FROM cte\n            GROUP BY id, name, children\n            ORDER BY max(reverse_level)",
-  "describe": {
-    "columns": [
-      {
-        "ordinal": 0,
-        "name": "id!",
-        "type_info": "Uuid"
-      },
-      {
-        "ordinal": 1,
-        "name": "name!",
-        "type_info": "Varchar"
-      },
-      {
-        "ordinal": 2,
-        "name": "children!",
-        "type_info": "UuidArray"
-      }
-    ],
-    "parameters": {
-      "Left": []
-    },
-    "nullable": [
-      null,
-      null,
-      null
-    ]
-  },
-  "hash": "689a5177bdbc4ac788579a47fe033eb6b9639a356fe7ec543691e385ffef51e7"
-}

.sqlx/query-85e1b1bae08c7edda9671214e6eeece6556236c25253a45c8ddc834751f72694.json

@@ -1,28 +0,0 @@
-{
-  "db_name": "PostgreSQL",
-  "query": "SELECT item_classes.id, item_classes.name\n            FROM item_classes\n            JOIN unnest((SELECT parents FROM item_class_tree WHERE id = $1))\n                WITH ORDINALITY AS parents(id, n)\n                ON item_classes.id = parents.id\n            ORDER BY parents.n",
-  "describe": {
-    "columns": [
-      {
-        "ordinal": 0,
-        "name": "id",
-        "type_info": "Uuid"
-      },
-      {
-        "ordinal": 1,
-        "name": "name",
-        "type_info": "Varchar"
-      }
-    ],
-    "parameters": {
-      "Left": [
-        "Uuid"
-      ]
-    },
-    "nullable": [
-      false,
-      false
-    ]
-  },
-  "hash": "85e1b1bae08c7edda9671214e6eeece6556236c25253a45c8ddc834751f72694"
-}

Cargo.toml

@@ -8,7 +8,6 @@ version = "0.0.0"
 authors = ["Simon Bruder <simon@sbruder.de>"]
 edition = "2021"
 license = "AGPL-3.0-or-later"
-repository = "https://git.sbruder.de/simon/li7y"
 
 [dependencies]
 actix-identity = "0.7.1"
@@ -18,7 +17,6 @@ barcoders = { version = "2.0.0", default-features = false, features = ["std"] }
 base64 = "0.22.1"
 clap = { version = "4.5.10", features = ["derive", "env"] }
 datamatrix = "0.3.1"
-embed-licensing = { version = "0.3.1", features = ["current_platform"] }
 enum-iterator = "2.1.0"
 env_logger = "0.11.3"
 futures-util = "0.3.30"
@@ -32,7 +30,6 @@ rust-embed = { version = "8.5.0", features = ["actix"] }
 serde = { version = "1.0.203", features = ["serde_derive"] }
 serde_urlencoded = "0.7.1"
 serde_variant = "0.1.3"
-spdx = { version = "0.10.6", features = ["text"] }
 sqlx = { version = "0.7.4", features = ["runtime-tokio", "postgres", "uuid", "time"] }
 thiserror = "1.0.61"
 time = { version = "0.3.36", features = ["parsing", "serde"] }
@@ -40,7 +37,6 @@ uuid = { version = "1.9.0", features = ["serde", "v4"] }
 
 [dev-dependencies]
 actix-http = "3.8.0"
-pretty_assertions = "1.4.0"
 quickcheck = "1.0.3"
 quickcheck_macros = "1.0.0"
 

deny.toml

@@ -10,7 +10,6 @@ allow = [
   "Apache-2.0",
   "BSD-3-Clause",
   "MIT",
-  "MPL-2.0",
   "Unicode-DFS-2016",
 ]
 confidence-threshold = 0.95

flake.nix

@@ -146,6 +146,7 @@
           cargo-deny
           cargo-tarpaulin
           cargo-watch
+          clippy
           graphviz
           postgresql
           reuse

migrations/20240806120210_item_class_unlimited_depth.down.sql

@@ -1,28 +0,0 @@
--- SPDX-FileCopyrightText: 2024 Simon Bruder <simon@sbruder.de>
---
--- SPDX-License-Identifier: AGPL-3.0-or-later
-
-DROP VIEW item_class_tree;
-
-DROP TRIGGER prevent_item_class_cycle ON item_classes;
-DROP FUNCTION check_item_class_cycle;
-
-CREATE FUNCTION check_item_class_recursion_depth()
-RETURNS TRIGGER AS $$
-BEGIN
-  IF NEW.parent IS NULL THEN
-    RETURN NEW;
-  END IF;
-
-  IF (SELECT parent FROM item_classes WHERE id = NEW.parent) IS NULL THEN
-    RETURN NEW;
-  END IF;
-
-  RAISE EXCEPTION 'Item classes may only be nested one level deep';
-END;
-$$ LANGUAGE plpgsql;
-
-CREATE TRIGGER prevent_item_class_recursion
-BEFORE INSERT OR UPDATE ON item_classes
-FOR EACH ROW
-EXECUTE FUNCTION check_item_class_recursion_depth();

migrations/20240806120210_item_class_unlimited_depth.up.sql

@@ -1,50 +0,0 @@
--- SPDX-FileCopyrightText: 2024 Simon Bruder <simon@sbruder.de>
---
--- SPDX-License-Identifier: AGPL-3.0-or-later
-
-DROP TRIGGER prevent_item_class_recursion ON item_classes;
-DROP FUNCTION check_item_class_recursion_depth;
-
-CREATE FUNCTION check_item_class_cycle()
-RETURNS TRIGGER AS $$
-BEGIN
-  IF NEW.parent IS NULL THEN
-    RETURN NEW;
-  END IF;
-
-  IF NEW.id = NEW.parent THEN
-    RAISE EXCEPTION 'Cycle detected';
-  END IF;
-
-  IF (WITH RECURSIVE cte AS (
-    SELECT id, parent
-    FROM item_classes
-    WHERE id = NEW.parent
-
-    UNION ALL
-
-    SELECT item_classes.id, item_classes.parent
-    FROM item_classes, cte
-    WHERE item_classes.id = cte.parent
-  )
-  SELECT 1
-  FROM cte
-  WHERE parent = NEW.id
-  LIMIT 1) THEN
-    RAISE EXCEPTION 'Cycle detected';
-  END IF;
-
-  RETURN NEW;
-END;
-$$ LANGUAGE plpgsql;
-
-CREATE TRIGGER prevent_item_class_cycle
-BEFORE INSERT OR UPDATE ON item_classes
-FOR EACH ROW
-EXECUTE FUNCTION check_item_class_cycle();
-
-CREATE RECURSIVE VIEW item_class_tree (id, parents) AS (
-  SELECT id, ARRAY[]::UUID[] AS parents FROM item_classes WHERE parent IS NULL
-  UNION ALL
-  SELECT item_classes.id, item_class_tree.parents || item_classes.parent FROM item_classes, item_class_tree WHERE item_classes.parent = item_class_tree.id
-);

src/database/item_classes/list.rs

@@ -2,8 +2,6 @@
 //
 // SPDX-License-Identifier: AGPL-3.0-or-later
 
-use std::collections::HashMap;
-
 use sqlx::query;
 use uuid::Uuid;
 
@@ -15,12 +13,6 @@ pub struct ItemClassListEntry {
     pub parent: Option<ItemClassPreview>,
 }
 
-pub struct ItemClassTreeElement {
-    pub id: Uuid,
-    pub name: String,
-    pub children: Vec<ItemClassTreeElement>,
-}
-
 impl ItemClassRepository {
     pub async fn list(&self) -> sqlx::Result<Vec<ItemClassListEntry>> {
         query!(
@@ -41,77 +33,4 @@ impl ItemClassRepository {
         .fetch_all(&self.pool)
         .await
     }
-
-    pub async fn tree(&self) -> sqlx::Result<Vec<ItemClassTreeElement>> {
-        let mut mappings: HashMap<Uuid, ItemClassTreeElement> = HashMap::new();
-
-        for row in query!(
-            r##"WITH RECURSIVE item_class_children AS (
-                SELECT
-                    item_classes.id,
-                    array_remove(array_agg(children.id), NULL) AS "children"
-                FROM item_classes
-                LEFT JOIN item_classes AS "children"
-                    ON item_classes.id = children.parent
-                GROUP BY item_classes.id
-            ),
-            cte AS (
-                SELECT
-                    item_classes.id,
-                    item_classes.name,
-                    item_class_children.children,
-                    0 AS "reverse_level"
-                FROM item_classes
-                JOIN item_class_children
-                    ON item_classes.id = item_class_children.id
-                WHERE item_class_children.children = '{}'
-
-                UNION
-
-                SELECT
-                    item_classes.id,
-                    item_classes.name,
-                    item_class_children.children,
-                    cte.reverse_level + 1
-                FROM item_classes
-                JOIN item_class_children
-                    ON item_classes.id = item_class_children.id
-                JOIN cte
-                    ON cte.id = ANY (item_class_children.children)
-            )
-            SELECT
-                id AS "id!",
-                name AS "name!",
-                children AS "children!"
-            FROM cte
-            GROUP BY id, name, children
-            ORDER BY max(reverse_level)"##
-        )
-        .fetch_all(&self.pool)
-        .await?
-        {
-            let mut children = if row.children.is_empty() {
-                Vec::new()
-            } else {
-                row.children
-                    .iter()
-                    .map(|id| mappings.remove(id).unwrap())
-                    .collect()
-            };
-            children.sort_by(|this, other| this.name.cmp(&other.name));
-
-            mappings.insert(
-                row.id,
-                ItemClassTreeElement {
-                    id: row.id,
-                    name: row.name,
-                    children,
-                },
-            );
-        }
-
-        let mut item_classes = mappings.into_values().collect::<Vec<_>>();
-        item_classes.sort_by(|this, other| this.name.cmp(&other.name));
-        Ok(item_classes)
-    }
 }

src/database/item_classes/mod.rs

@@ -9,12 +9,11 @@ mod edit;
 mod list;
 mod show;
 
-use sqlx::{query, PgPool};
+use sqlx::PgPool;
 use uuid::Uuid;
 
 pub use add::{ItemClassAddForm, ItemClassAddFormPrefilled};
 pub use edit::ItemClassEditForm;
-pub use list::ItemClassTreeElement;
 
 #[derive(Clone)]
 pub struct ItemClassRepository {
@@ -37,20 +36,3 @@ impl ItemClassPreview {
         Self { id, name }
     }
 }
-
-impl ItemClassRepository {
-    pub async fn parents(&self, id: Uuid) -> sqlx::Result<Vec<ItemClassPreview>> {
-        query!(
-            r#"SELECT item_classes.id, item_classes.name
-            FROM item_classes
-            JOIN unnest((SELECT parents FROM item_class_tree WHERE id = $1))
-                WITH ORDINALITY AS parents(id, n)
-                ON item_classes.id = parents.id
-            ORDER BY parents.n"#,
-            id
-        )
-        .map(|row| ItemClassPreview::new(row.id, row.name))
-        .fetch_all(&self.pool)
-        .await
-    }
-}

src/frontend/item/list.rs

@@ -4,7 +4,7 @@
 
 use actix_identity::Identity;
 use actix_web::{error, get, web, Responder};
-use maud::{html, Render};
+use maud::html;
 
 use crate::database::{items::ItemPreview, ItemRepository};
 use crate::frontend::templates::{
@@ -61,13 +61,7 @@ async fn get(
                             td { (ItemPreview::new(item.id, item.name.clone().terse())) }
                             td { (item.state) }
                             td { a href={ "/item-class/" (item.class) } { (item.class_name) } }
-                            td {
+                            td { (templates::helpers::parents_breadcrumb(item.name, &item.parents, false)) }
-                                (templates::helpers::parents_breadcrumb(
-                                    &item.name,
-                                    item.parents.iter().map(|parent| parent as &dyn Render).collect(),
-                                    false
-                                ))
-                            }
                         }
                     }
                 }

src/frontend/item/show.rs

@@ -4,7 +4,7 @@
 
 use actix_identity::Identity;
 use actix_web::{error, get, web, Responder};
-use maud::{html, Render};
+use maud::html;
 use serde_variant::to_variant_name;
 use time::OffsetDateTime;
 use uuid::Uuid;
@@ -121,13 +121,7 @@ async fn get(
                         }
                         tr {
                             th { "Parents" }
-                            td {
+                            td { (templates::helpers::parents_breadcrumb(item.name, &parents, true)) }
-                                (templates::helpers::parents_breadcrumb(
-                                    &item.name,
-                                    parents.iter().map(|parent| parent as &dyn Render).collect(),
-                                    true
-                                ))
-                            }
                         }
                         tr {
                             th { "Original Packaging" }

src/frontend/item_class/list.rs

@@ -6,6 +6,7 @@ use actix_identity::Identity;
 use actix_web::{error, get, web, Responder};
 use maud::html;
 
+use crate::database::item_classes::ItemClassPreview;
 use crate::database::ItemClassRepository;
 use crate::frontend::templates::{
     self,
@@ -23,7 +24,7 @@ async fn get(
     user: Identity,
 ) -> actix_web::Result<impl Responder> {
     let item_classes = item_class_repo
-        .tree()
+        .list()
         .await
         .map_err(error::ErrorInternalServerError)?;
 
@@ -46,9 +47,26 @@ async fn get(
             ..Default::default()
         },
         html! {
-            ul {
+            table .table {
+                thead {
+                    tr {
+                        th { "Name" }
+                        th { "Parents" }
+                    }
+                }
+                tbody {
                     @for item_class in item_classes {
-                    (item_class)
+                        tr {
+                            td { (ItemClassPreview::new(item_class.id, item_class.name)) }
+                            td {
+                                @if let Some(parent) = item_class.parent {
+                                    (parent)
+                                } @else {
+                                    "-"
+                                }
+                            }
+                        }
+                    }
                 }
             }
         },

src/frontend/item_class/show.rs

@@ -4,7 +4,7 @@
 
 use actix_identity::Identity;
 use actix_web::{error, get, web, Responder};
-use maud::{html, Render};
+use maud::html;
 use uuid::Uuid;
 
 use crate::database::ItemClassRepository;
@@ -31,11 +31,6 @@ async fn get(
         .await
         .map_err(error::ErrorInternalServerError)?;
 
-    let parents = item_class_repo
-        .parents(id)
-        .await
-        .map_err(error::ErrorInternalServerError)?;
-
     let children = item_class_repo
         .children(id)
         .await
@@ -49,45 +44,49 @@ async fn get(
     let mut title = item_class.name.clone();
     title.push_str(" – Item Details");
 
-    Ok(templates::base(
+    let mut page_actions = vec![
-        TemplateConfig {
+        (PageActionGroup::Button {
-            path: &format!("/item-class/{}", item_class.id),
-            title: Some(&title),
-            page_title: Some(Box::new(item_class.name.clone())),
-            page_actions: vec![
-                PageActionGroup::Button {
             action: PageAction {
                 method: PageActionMethod::Get,
                 target: format!("/items/add?class={}", item_class.id),
                 name: "Add Item".to_string(),
             },
             colour: Colour::Success,
-                },
+        }),
-                PageActionGroup::Button {
+    ];
+    if item_class.parent.is_none() {
+        page_actions.push(PageActionGroup::Button {
             action: PageAction {
                 method: PageActionMethod::Get,
                 target: format!("/item-classes/add?parent={}", item_class.id),
                 name: "Add Child".to_string(),
             },
             colour: Colour::Primary,
-                },
+        });
-                PageActionGroup::Button {
+    }
+    page_actions.push(PageActionGroup::Button {
         action: PageAction {
             method: PageActionMethod::Get,
             target: format!("/item-class/{}/edit", item_class.id),
             name: "Edit".to_string(),
         },
         colour: Colour::Warning,
-                },
+    });
-                PageActionGroup::Button {
+    page_actions.push(PageActionGroup::Button {
         action: PageAction {
             method: PageActionMethod::Post,
             target: format!("/item-class/{}/delete", item_class.id),
             name: "Delete".to_string(),
         },
         colour: Colour::Danger,
-                },
+    });
-            ],
+
+    Ok(templates::base(
+        TemplateConfig {
+            path: &format!("/item-class/{}", item_class.id),
+            title: Some(&title),
+            page_title: Some(Box::new(item_class.name.clone())),
+            page_actions,
             user: Some(user),
             ..Default::default()
         },
@@ -101,14 +100,10 @@ async fn get(
                     th { "Name" }
                     td { (item_class.name) }
                 }
+                @if let Some(parent) = item_class.parent {
                     tr {
-                    th { "Parents" }
+                        th { "Parent" }
-                    td {
+                        td { (parent) }
-                        (templates::helpers::parents_breadcrumb(
-                            &item_class.name,
-                            parents.iter().map(|parent| parent as &dyn Render).collect(),
-                            true
-                        ))
                     }
                 }
                 tr {

src/frontend/licensing.rs

@@ -1,488 +0,0 @@
-// SPDX-FileCopyrightText: 2024 Simon Bruder <simon@sbruder.de>
-//
-// SPDX-License-Identifier: AGPL-3.0-or-later
-
-use std::collections::{BTreeSet, VecDeque};
-use std::sync::OnceLock;
-
-use actix_identity::Identity;
-use actix_web::{get, web, Responder};
-use embed_licensing::{CrateLicense, Licensing};
-use maud::{html, Markup, Render};
-use spdx::expression::ExprNode;
-use spdx::LicenseReq;
-
-use super::templates;
-
-pub fn config(cfg: &mut web::ServiceConfig) {
-    cfg.service(get);
-}
-
-#[derive(Clone, Debug, PartialOrd, PartialEq, Eq, Ord)]
-enum SpdxExpression {
-    Req(LicenseReq),
-    And(BTreeSet<SpdxExpression>),
-    Or(BTreeSet<SpdxExpression>),
-}
-
-fn render_separated_list(list: impl IntoIterator<Item: Render>, separator: &str) -> Markup {
-    let mut iter = list.into_iter();
-    html! {
-        "("
-        (iter.next().unwrap())
-        @for item in iter {
-            small .font-monospace { " " (separator) " " }
-            (item)
-        }
-        ")"
-    }
-}
-
-// TODO: remove the outermost parentheses
-impl Render for SpdxExpression {
-    fn render(&self) -> Markup {
-        match self {
-            Self::Req(req) => html! {
-                @let license = req.license.id().expect("only SPDX license identifiers supported");
-                a .font-monospace href={ "#license-" (license.name) } { (license.name) }
-                @if let Some(exception) = req.exception {
-                    small .font-monospace { " WITH " }
-                    a .font-monospace href={ "#exception-" (exception.name) } { (exception.name) }
-                }
-            },
-            Self::And(items) => render_separated_list(items, "AND"),
-            Self::Or(items) => render_separated_list(items, "OR"),
-        }
-    }
-}
-
-impl From<&spdx::Expression> for SpdxExpression {
-    fn from(value: &spdx::Expression) -> Self {
-        let mut stack = VecDeque::new();
-        let mut expr = None;
-
-        for node in value.iter() {
-            match node {
-                ExprNode::Op(op) => {
-                    let last = expr.unwrap_or_else(|| stack.pop_back().unwrap());
-                    expr = Some(match op {
-                        spdx::expression::Operator::Or => {
-                            SpdxExpression::Or(BTreeSet::from([last, stack.pop_back().unwrap()]))
-                        }
-                        spdx::expression::Operator::And => {
-                            SpdxExpression::And(BTreeSet::from([last, stack.pop_back().unwrap()]))
-                        }
-                    });
-                }
-                ExprNode::Req(req) => {
-                    stack.push_back(SpdxExpression::Req(req.req.clone()));
-                }
-            }
-        }
-
-        // special case for single req
-        if expr.is_none() && stack.len() == 1 {
-            return stack.pop_back().unwrap();
-        }
-
-        expr.expect("empty expression not possible").simplify()
-    }
-}
-
-macro_rules! spdx_expression_simplify_impl {
-    ( $variant:ident, $items:expr ) => {{
-        let mut changed = false;
-        for item in $items.clone().into_iter() {
-            // if is split to avoid referencing a moved value
-            if let Self::$variant(_) = item {
-                $items.remove(&item);
-                changed = true;
-            }
-            if let Self::$variant(mut inner_items) = item {
-                $items.append(&mut inner_items);
-            }
-        }
-        if changed {
-            Self::$variant($items).simplify()
-        } else {
-            Self::$variant($items.into_iter().map(|it| it.simplify()).collect())
-        }
-    }};
-}
-
-impl SpdxExpression {
-    fn simplify(self) -> Self {
-        match self {
-            Self::Req(_) => self,
-            Self::And(mut items) => spdx_expression_simplify_impl!(And, items),
-            Self::Or(mut items) => spdx_expression_simplify_impl!(Or, items),
-        }
-    }
-}
-
-trait Package {
-    fn name(&self) -> &str;
-    fn version(&self) -> Option<&str>;
-    fn authors(&self) -> &[String];
-    fn website(&self) -> &str;
-    fn license(&self) -> &CrateLicense;
-}
-
-impl Render for dyn Package {
-    fn render(&self) -> Markup {
-        html! {
-            div .col-3 {
-                div .card {
-                    div .card-body {
-                        h4 .card-title {
-                            a href=(self.website()) { (self.name()) }
-                            @if let Some(version) = self.version() {
-                                " " (version)
-                            }
-                        }
-                    }
-                    ul .list-group .list-group-flush {
-                        @if self.authors().is_empty() {
-                            li .list-group-item { em { "no authors specified in Cargo manifest" } }
-                        }
-                        @let author_limit = 3;
-                        @let authors = self.authors().iter().take(author_limit);
-                        @let more_authors = self.authors().iter().skip(author_limit);
-                        @for author in authors {
-                            li .list-group-item { (author) }
-                        }
-                        @if self.authors().len() > author_limit {
-                            @for author in more_authors {
-                                li .list-group-item.d-none.author-hidden { (author) }
-                            }
-                            li
-                                .list-group-item.text-center.bg-secondary-subtle.author-expand
-                                style="cursor: pointer; user-select: none;"
-                                data-expanded="false"
-                                { "⮟" }
-                        }
-                    }
-                    div .card-body.align-content-end {
-                        @match self.license() {
-                            CrateLicense::SpdxExpression(expr) => {
-                                (SpdxExpression::from(expr))
-                            },
-                            CrateLicense::Other(content) => {
-                                @let modal_id = format!("license-modal-{}-{}", self.name(), self.version().unwrap_or(""));
-                                button
-                                    .btn.btn-primary
-                                    type="button"
-                                    data-bs-toggle="modal"
-                                    data-bs-target={ "#" (modal_id) }
-                                    { "custom license" }
-                                div .modal.modal-lg #(modal_id) {
-                                    div .modal-dialog {
-                                        div .modal-content {
-                                            div.modal-header {
-                                                h1 .modal-title.fs-5 {
-                                                    "custom license of "
-                                                    (self.name())
-                                                    @if let Some(version) = self.version() {
-                                                        " " (version)
-                                                    }
-                                                }
-                                                button .btn-close type="button" data-bs-dismiss="modal";
-                                            }
-                                            div .modal-body {
-                                                pre style="text-wrap: wrap" { (content) }
-                                            }
-                                        }
-                                    }
-                                }
-                            },
-                        }
-                    }
-                }
-            }
-        }
-    }
-}
-
-impl Package for embed_licensing::Crate {
-    fn name(&self) -> &str {
-        &self.name
-    }
-
-    fn version(&self) -> Option<&str> {
-        Some(&self.version)
-    }
-
-    fn authors(&self) -> &[String] {
-        &self.authors
-    }
-
-    fn website(&self) -> &str {
-        &self.website
-    }
-
-    fn license(&self) -> &CrateLicense {
-        &self.license
-    }
-}
-
-struct OtherPackage {
-    name: String,
-    website: String,
-    authors: Vec<String>,
-    license: CrateLicense,
-}
-
-impl Package for OtherPackage {
-    fn name(&self) -> &str {
-        &self.name
-    }
-
-    fn version(&self) -> Option<&str> {
-        None
-    }
-
-    fn authors(&self) -> &[String] {
-        &self.authors
-    }
-
-    fn website(&self) -> &str {
-        &self.website
-    }
-
-    fn license(&self) -> &CrateLicense {
-        &self.license
-    }
-}
-
-fn other_packages() -> &'static [OtherPackage] {
-    static OTHER_PACKAGES: OnceLock<Vec<OtherPackage>> = OnceLock::new();
-
-    OTHER_PACKAGES.get_or_init(|| {
-        vec![OtherPackage {
-            name: "Bootstrap".to_string(),
-            website: "https://getbootstrap.com/".to_string(),
-            authors: vec!["The Bootstrap Authors".to_string()],
-            license: CrateLicense::SpdxExpression(spdx::Expression::parse("MIT").unwrap()),
-        }]
-    })
-}
-
-fn licensing() -> &'static Licensing {
-    static LICENSING: OnceLock<Licensing> = OnceLock::new();
-
-    LICENSING.get_or_init(|| {
-        let mut licensing = embed_licensing::collect!(platform(current));
-
-        for other_package in other_packages() {
-            if let CrateLicense::SpdxExpression(expr) = &other_package.license {
-                for node in expr.iter() {
-                    if let spdx::expression::ExprNode::Req(spdx::expression::ExpressionReq {
-                        req,
-                        ..
-                    }) = node
-                    {
-                        let license = req
-                            .license
-                            .id()
-                            .expect("only SPDX license identifiers supported");
-
-                        if !licensing.licenses.contains(&license) {
-                            licensing.licenses.push(license)
-                        }
-
-                        if let Some(exception) = req.exception {
-                            if !licensing.exceptions.contains(&exception) {
-                                licensing.exceptions.push(exception)
-                            }
-                        }
-                    }
-                }
-            }
-        }
-
-        licensing.licenses.sort_unstable();
-        licensing.exceptions.sort_unstable();
-
-        licensing
-    })
-}
-
-#[get("/licensing")]
-async fn get(user: Option<Identity>) -> impl Responder {
-    let licensing = licensing();
-
-    templates::base(
-        templates::TemplateConfig {
-            path: "/licensing",
-            title: Some("Licensing"),
-            page_title: Some(Box::new("Licensing")),
-            user,
-            ..Default::default()
-        },
-        html! {
-            h3 .mt-4 { "Rust Packages" }
-
-            div .row.g-2 {
-                @for package in &licensing.packages {
-                    (package as &dyn Package)
-                }
-            }
-
-            h3 .mt-4 { "Other Packages" }
-
-            div .row.g-2 {
-                @for package in other_packages() {
-                    (package as &dyn Package)
-                }
-            }
-
-            h3 .mt-4 { "Licenses" }
-
-            @for license in &licensing.licenses {
-                h4 #{ "license-" (license.name) } .mt-3 { (license.full_name) " (" span .font-monospace { (license.name) } ")" }
-
-                pre style="text-wrap: wrap" { (license.text()) }
-            }
-
-            h3 .mt-4 { "Exceptions" }
-
-            @for exception in &licensing.exceptions {
-                h4 #{ "exception-" (exception.name) } .mt-3.font-monospace { (exception.name) }
-
-                pre style="text-wrap: wrap" { (exception.text()) }
-            }
-        },
-    )
-}
-
-#[cfg(test)]
-mod tests {
-    use std::collections::BTreeSet;
-
-    use pretty_assertions::assert_eq;
-    use spdx::{exception_id, license_id, LicenseItem, LicenseReq};
-
-    use super::SpdxExpression;
-
-    fn req(id: &str, or_later: bool, exception: Option<&str>) -> SpdxExpression {
-        SpdxExpression::Req(LicenseReq {
-            license: LicenseItem::Spdx {
-                id: license_id(id).unwrap(),
-                or_later,
-            },
-            exception: exception.map(exception_id).map(Option::unwrap),
-        })
-    }
-
-    #[test]
-    fn test_spdx_expression_from_simple() {
-        assert_eq!(
-            SpdxExpression::from(&spdx::Expression::parse("MIT").unwrap()),
-            req("MIT", false, None)
-        );
-    }
-
-    #[test]
-    fn test_spdx_expression_from_complex() {
-        assert_eq!(
-            SpdxExpression::from(
-                &spdx::Expression::parse("Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MIT OR (CC0-1.0 AND Unlicense)")
-                    .unwrap()
-            ),
-            SpdxExpression::Or(BTreeSet::from([
-                req("Apache-2.0", false, Some("LLVM-exception")),
-                req("Apache-2.0", false, None),
-                req("MIT", false, None),
-                SpdxExpression::And(BTreeSet::from([
-                    req("CC0-1.0", false, None),
-                    req("Unlicense", false, None),
-                ]))
-            ]))
-        );
-    }
-
-    #[test]
-    fn test_spdx_expression_simplify_or() {
-        assert_eq!(
-            SpdxExpression::Or(BTreeSet::from([
-                SpdxExpression::Or(BTreeSet::from([])),
-                SpdxExpression::Or(BTreeSet::from([
-                    req("Apache-2.0", false, Some("LLVM-exception")),
-                    req("MIT", false, None),
-                    SpdxExpression::Or(BTreeSet::from([
-                        req("MIT", false, None),
-                        req("Unlicense", false, None),
-                    ])),
-                ])),
-                req("LGPL-2.1", true, None),
-            ]))
-            .simplify(),
-            SpdxExpression::Or(BTreeSet::from([
-                req("Apache-2.0", false, Some("LLVM-exception")),
-                req("LGPL-2.1", true, None),
-                req("MIT", false, None),
-                req("Unlicense", false, None),
-            ]))
-        );
-    }
-
-    #[test]
-    fn test_spdx_expression_simplify_and() {
-        assert_eq!(
-            SpdxExpression::And(BTreeSet::from([
-                SpdxExpression::And(BTreeSet::from([])),
-                SpdxExpression::And(BTreeSet::from([
-                    req("MIT", false, None),
-                    req("Apache-2.0", false, Some("LLVM-exception")),
-                    SpdxExpression::And(BTreeSet::from([
-                        req("MIT", false, None),
-                        req("Unlicense", false, None),
-                    ])),
-                ])),
-                req("LGPL-2.1", true, None),
-            ]))
-            .simplify(),
-            SpdxExpression::And(BTreeSet::from([
-                req("Apache-2.0", false, Some("LLVM-exception")),
-                req("LGPL-2.1", true, None),
-                req("MIT", false, None),
-                req("Unlicense", false, None),
-            ]))
-        );
-    }
-
-    #[test]
-    fn test_spdx_expression_simplify_mixed() {
-        assert_eq!(
-            SpdxExpression::Or(BTreeSet::from([
-                SpdxExpression::And(BTreeSet::from([
-                    req("MIT", false, None),
-                    req("Apache-2.0", false, Some("LLVM-exception")),
-                ])),
-                SpdxExpression::Or(BTreeSet::from([
-                    req("MIT", false, None),
-                    req("Unlicense", false, None),
-                ])),
-                SpdxExpression::And(BTreeSet::from([
-                    req("CC0-1.0", false, None),
-                    req("GPL-3.0", false, None),
-                ])),
-                req("LGPL-2.1", true, None),
-            ]))
-            .simplify(),
-            SpdxExpression::Or(BTreeSet::from([
-                req("MIT", false, None),
-                req("Unlicense", false, None),
-                req("LGPL-2.1", true, None),
-                SpdxExpression::And(BTreeSet::from([
-                    req("MIT", false, None),
-                    req("Apache-2.0", false, Some("LLVM-exception")),
-                ])),
-                SpdxExpression::And(BTreeSet::from([
-                    req("CC0-1.0", false, None),
-                    req("GPL-3.0", false, None),
-                ])),
-            ]))
-        );
-    }
-}

src/frontend/mod.rs

@@ -7,7 +7,6 @@ mod item;
 mod item_class;
 mod jump;
 mod labels;
-mod licensing;
 pub mod templates;
 
 use actix_identity::Identity;
@@ -20,8 +19,7 @@ pub fn config(cfg: &mut web::ServiceConfig) {
         .configure(item::config)
         .configure(item_class::config)
         .configure(jump::config)
-        .configure(labels::config)
+        .configure(labels::config);
-        .configure(licensing::config);
 }
 
 #[get("/")]

src/frontend/templates/helpers.rs

@@ -7,6 +7,7 @@ use std::fmt;
 use maud::{html, Markup, PreEscaped, Render};
 use uuid::Uuid;
 
+use crate::database::items::{ItemName, ItemPreview};
 use crate::label::LabelPreset;
 
 pub enum Css<'a> {
@@ -169,7 +170,7 @@ impl PageActionGroup {
     }
 }
 
-pub fn parents_breadcrumb(name: &dyn Render, parents: Vec<&dyn Render>, full: bool) -> Markup {
+pub fn parents_breadcrumb(name: ItemName, parents: &[ItemPreview], full: bool) -> Markup {
     const LIMIT: usize = 3;
 
     html! {
@@ -177,10 +178,10 @@ pub fn parents_breadcrumb(name: &dyn Render, parents: Vec<&dyn Render>, full: bo
             @if !full && parents.len() > LIMIT {
                 li .breadcrumb-item { "…" }
             }
-            @let parents: Box<dyn Iterator<Item = &dyn Render>> = if full {
+            @let parents: Box<dyn Iterator<Item = &ItemPreview>> = if full {
-                Box::new(parents.into_iter())
+                Box::new(parents.iter())
             } else {
-                Box::new(parents.into_iter().rev().take(LIMIT).rev())
+                Box::new(parents.iter().rev().take(LIMIT).rev())
             };
             @for parent in parents {
                 li .breadcrumb-item {

src/frontend/templates/mod.rs

@@ -59,13 +59,7 @@ fn footer() -> Markup {
     html! {
         footer .mt-auto.py-3.bg-body-tertiary.text-body-tertiary {
             div .container {
-                p .mb-0 {
+                p .mb-0 { "li7y is free software, released under the terms of the AGPL v3" }
-                    "li7y is free software, released under the terms of the AGPL v3 ("
-                    a href="https://git.sbruder.de/simon/li7y" { "source code" }
-                    ", "
-                    a href="/licensing" { "licensing of all dependencies" }
-                    ")"
-                }
             }
         }
     }

src/frontend/templates/render.rs

@@ -7,11 +7,7 @@ use std::fmt::{self, Display};
 use maud::{html, Markup, Render};
 
 use crate::database::items::ItemPreview;
-use crate::database::{
+use crate::database::{item_classes::ItemClassPreview, item_events::ItemEvent, items::ItemName};
-    item_classes::{ItemClassPreview, ItemClassTreeElement},
-    item_events::ItemEvent,
-    items::ItemName,
-};
 
 impl Render for ItemClassPreview {
     fn render(&self) -> Markup {
@@ -72,20 +68,3 @@ impl Render for ItemPreview {
         }
     }
 }
-
-impl Render for ItemClassTreeElement {
-    fn render(&self) -> Markup {
-        html! {
-            li {
-                (ItemClassPreview::new(self.id, self.name.clone()))
-                @if !self.children.is_empty() {
-                    ul {
-                        @for child in &self.children {
-                            (child)
-                        }
-                    }
-                }
-            }
-        }
-    }
-}

static/app.js

@@ -16,8 +16,9 @@
 
   const datalistHint = (input, hint) => {
     const selected = input.list.querySelector(`option[value="${input.value}"]`);
-    hint.innerHTML = ""
+    if (selected === null)
-    if (selected !== null) {
+      hint.innerText = ""
+    else {
       const linkPrefix = input.list.dataset.linkPrefix;
       if (linkPrefix === undefined) {
         hint.innerHTML = selected.innerHTML
@@ -85,32 +86,7 @@
     })
   }
 
-  const addEventModal = document.getElementById("add-event-modal")
+  document.getElementById("add-event-modal").addEventListener("show.bs.modal", e => {
-  if (addEventModal !== null) {
-    addEventModal.addEventListener("show.bs.modal", e => {
     document.getElementById("event").value = e.relatedTarget.dataset.eventType
   })
-  }
-
-  Array.from(document.getElementsByClassName("author-expand")).forEach(expanderEl => {
-    expanderEl.addEventListener("click", _ => {
-      // it implicitly converts true/false to "true"/"false" in the dataset,
-      // but does not convert "true"/"false" from the datast into true/false
-      expanderEl.dataset.expanded = expanderEl.dataset.expanded !== "true"
-
-      if (expanderEl.dataset.expanded === "true") {
-        expanderEl.innerText = "⮝"
-      } else {
-        expanderEl.innerText = "⮟"
-      }
-
-      Array.from(expanderEl.parentElement.getElementsByClassName("author-hidden")).forEach(authorEl => {
-        if (expanderEl.dataset.expanded === "true") {
-          authorEl.classList.remove("d-none")
-        } else {
-          authorEl.classList.add("d-none")
-        }
-      })
-    })
-  })
 })()

tests/licensing.rs

@@ -1,49 +0,0 @@
-// SPDX-FileCopyrightText: 2024 Simon Bruder <simon@sbruder.de>
-//
-// SPDX-License-Identifier: AGPL-3.0-or-later
-
-use actix_web::{body::MessageBody, test};
-use sqlx::PgPool;
-
-#[allow(dead_code)]
-mod common;
-
-#[sqlx::test(fixtures("default"))]
-async fn is_linked(pool: PgPool) {
-    let srv = test::init_service(li7y::app(&common::config(), &pool)).await;
-
-    let req = test::TestRequest::get().uri("/login").to_request();
-
-    let res = test::call_service(&srv, req).await;
-
-    assert!(res.status().is_success());
-
-    let body = String::from_utf8(res.into_body().try_into_bytes().unwrap().to_vec()).unwrap();
-
-    assert!(body.contains(r#"<a href="/licensing">"#));
-}
-
-#[sqlx::test(fixtures("default"))]
-async fn contains_basic_information(pool: PgPool) {
-    let srv = test::init_service(li7y::app(&common::config(), &pool)).await;
-
-    let req = test::TestRequest::get().uri("/licensing").to_request();
-
-    let res = test::call_service(&srv, req).await;
-
-    assert!(res.status().is_success());
-
-    let body = String::from_utf8(res.into_body().try_into_bytes().unwrap().to_vec()).unwrap();
-
-    // crate names
-    assert!(body.contains(">actix-web<"));
-    assert!(body.contains(">sqlx-postgres<"));
-
-    // author names (only me and entries without email address)
-    assert!(body.contains(">Simon Bruder &lt;simon@sbruder.de&gt;<"));
-    assert!(body.contains(">RustCrypto Developers<"));
-
-    // license links (only partial, as I don’t want to check class names)
-    assert!(body.contains(r##"href="#license-Apache-2.0">Apache-2.0<"##));
-    assert!(body.contains(r##"href="#license-MIT">MIT<"##));
-}