Files
solidcraft-upstream/crates/engine/src/cmd/libraries.rs
T
selune d399effbf7 Local appearance and material libraries (#863)
Adds local scalar appearance and material libraries: a catalog in the io crate with safe writes, engine commands to list and apply library entries, and a library dialog in the UI, with docs.
2026-10-14 12:21:35 -04:00

200 lines
8.9 KiB
Rust

//! Scalar local libraries: inspect/export files and copy exact revisions into a design.
use super::CommandSpec;
use crate::{Result, Session, params::bad};
use serde::Deserialize;
use serde_json::{Value, json};
use solidcraft_io::catalog::{Catalog, Definition, Provenance};
pub static COMMANDS: &[CommandSpec] = &[
CommandSpec::new("library.inspect", "Inspect Local Library", inspect).noundo().doc_only()
.params("path: scalar library JSON; returns validated catalog and exact entry revisions, without changing the design"),
CommandSpec::new("library.export", "Export Design Library", export).noundo().doc_only()
.params("path: .json; id? (default user.local), name?, provenance?, overwrite? false. Copies assigned looks and design-local physical definitions; never changes the design"),
CommandSpec::new("library.apply", "Apply Local Library Entry", apply).enabled(super::not_in_sketch)
.params("path, entry: qualified ID, revision: exact content SHA-256; targets?: {bodies?, faces?: [{body,point}], components?}; name?: physical material name on import. Copies values in one undo step; material conflicts are explicit"),
];
#[derive(Deserialize)]
#[serde(deny_unknown_fields)]
struct Inspect {
path: String,
}
#[derive(Deserialize)]
#[serde(deny_unknown_fields)]
struct Export {
path: String,
#[serde(default = "default_id")]
id: String,
#[serde(default = "default_name")]
name: String,
#[serde(default)]
provenance: Provenance,
#[serde(default)]
overwrite: bool,
}
fn default_id() -> String {
"user.local".into()
}
fn default_name() -> String {
"My library".into()
}
#[derive(Default, Deserialize, serde::Serialize)]
#[serde(deny_unknown_fields)]
struct Targets {
#[serde(default)]
bodies: Vec<String>,
#[serde(default)]
faces: Vec<Face>,
#[serde(default)]
components: Vec<String>,
}
#[derive(Deserialize, serde::Serialize)]
#[serde(deny_unknown_fields)]
struct Face {
body: String,
point: [f64; 3],
}
impl Targets {
fn validate(&self) -> Result<()> {
let cmd = "library.apply";
if self.bodies.len().saturating_add(self.faces.len()).saturating_add(self.components.len()) > 1024 {
return Err(bad(cmd, "at most 1024 library application targets"));
}
for name in self.bodies.iter().chain(&self.components).chain(self.faces.iter().map(|f| &f.body)) {
if name.is_empty() || name.len() > 1024 || name.chars().any(char::is_control) {
return Err(bad(cmd, "invalid library target name"));
}
}
if self.faces.iter().any(|f| f.point.iter().any(|x| !x.is_finite() || x.abs() > 1e9)) {
return Err(bad(cmd, "invalid library target point"));
}
Ok(())
}
fn empty(&self) -> bool {
self.bodies.is_empty() && self.faces.is_empty() && self.components.is_empty()
}
}
#[derive(Deserialize)]
#[serde(deny_unknown_fields)]
struct Apply {
path: String,
entry: String,
revision: String,
#[serde(default)]
targets: Targets,
name: Option<String>,
}
fn path(cmd: &str, value: &str) -> Result<()> {
if value.is_empty() || value.len() > 4096 || value.chars().any(char::is_control) {
return Err(bad(cmd, "invalid library path"));
}
solidcraft_io::vfs::check(value).map_err(|e| bad(cmd, e.to_string()))
}
fn nested(s: &mut Session, id: &str, p: &Value) -> Result<Value> {
crate::find_command(id).ok_or_else(|| bad("library.apply", "required assignment command is unavailable"))?.run_nested(s, p)
}
fn inspect(_s: &mut Session, p: &Value) -> Result<Value> {
let cmd = "library.inspect";
let request: Inspect = serde_json::from_value(p.clone()).map_err(|e| bad(cmd, e.to_string()))?;
path(cmd, &request.path)?;
let catalog = Catalog::read(&request.path).map_err(|e| bad(cmd, e.to_string()))?;
Ok(json!({"catalog":catalog}))
}
fn export(s: &mut Session, p: &Value) -> Result<Value> {
let cmd = "library.export";
let request: Export = serde_json::from_value(p.clone()).map_err(|e| bad(cmd, e.to_string()))?;
path(cmd, &request.path)?;
if !request.path.to_ascii_lowercase().ends_with(".json") {
return Err(bad(cmd, "library export path must end in .json"));
}
let catalog = Catalog::from_document(&s.doc, &request.id, &request.name, request.provenance).map_err(|e| bad(cmd, e.to_string()))?;
let bytes = catalog.encode().map_err(|e| bad(cmd, e.to_string()))?;
#[cfg(not(target_arch = "wasm32"))]
let result = if request.overwrite {
solidcraft_io::write_atomic(std::path::Path::new(&request.path), &bytes, false)
} else {
solidcraft_io::safe_write::create_atomic(std::path::Path::new(&request.path), &bytes)
};
#[cfg(target_arch = "wasm32")]
let result = if !request.overwrite && solidcraft_io::vfs::exists(&request.path) {
Err(std::io::Error::new(std::io::ErrorKind::AlreadyExists, "library file already exists"))
} else {
solidcraft_io::vfs::write(&request.path, &bytes)
};
result.map_err(|e| bad(cmd, format!("could not export library: {e}")))?;
Ok(json!({"path":request.path,"entries":catalog.entries.len(),"bytes":bytes.len(),"catalog":catalog}))
}
fn apply(s: &mut Session, p: &Value) -> Result<Value> {
let cmd = "library.apply";
let request: Apply = serde_json::from_value(p.clone()).map_err(|e| bad(cmd, e.to_string()))?;
path(cmd, &request.path)?;
request.targets.validate()?;
if request.entry.len() > 129 || request.revision.len() != 64 {
return Err(bad(cmd, "invalid entry ID or revision"));
}
let catalog = Catalog::read(&request.path).map_err(|e| bad(cmd, e.to_string()))?;
let entry = catalog.entries.iter().find(|entry| entry.id == request.entry).ok_or_else(|| bad(cmd, "library entry is missing"))?;
if entry.revision != request.revision {
return Err(bad(cmd, "library entry changed; reload and explicitly select its new revision"));
}
let result = match &entry.definition {
Definition::Appearance(look) => {
if request.name.is_some() || request.targets.empty() {
return Err(bad(cmd, "appearance entries need targets and do not take a material name"));
}
let mut target = serde_json::to_value(&request.targets).map_err(|e| bad(cmd, e.to_string()))?;
target["appearance"] = json!(look.name);
target["color"] = json!(look.color);
target["opacity"] = json!(look.opacity);
nested(s, "appearance.assign", &target)?
}
Definition::Material(material) => {
if !request.targets.faces.is_empty() || !request.targets.components.is_empty() {
return Err(bad(cmd, "physical material assignment takes body targets only"));
}
if request.targets.bodies.iter().any(|body| s.model.state().body(body).is_none()) {
return Err(bad(cmd, "physical material targets must name existing bodies"));
}
let wanted = request.name.as_deref().unwrap_or(&material.name).trim();
if wanted.is_empty() || wanted.len() > 128 || wanted.chars().any(char::is_control) {
return Err(bad(cmd, "invalid physical material name"));
}
let existing = s.doc.user_materials.iter().find(|m| m.name.eq_ignore_ascii_case(wanted)).cloned();
let name = existing.as_ref().map_or(wanted, |m| m.name.as_str()).to_string();
let copy = material.to_material(name.clone());
let reused = if let Some(existing) = existing {
if existing != copy {
return Err(bad(cmd, "physical material name conflicts; choose a new name explicitly"));
}
true
} else {
let mut params = json!({"name":name,"density_g_cm3":material.density_g_cm3});
if let Some(look) = &material.appearance {
params["color"] = json!(look.color);
params["opacity"] = json!(look.opacity);
}
nested(s, "material.create", &params)?;
// The existing colour API labels a custom look after its material.
// Preserve the library's exact look label inside this same transaction.
let imported = s
.doc_mut()
.user_materials
.iter_mut()
.find(|m| m.name == name)
.ok_or_else(|| bad(cmd, "imported physical material is missing"))?;
imported.appearance = copy.appearance.clone();
false
};
if !request.targets.bodies.is_empty() {
nested(s, "material.assign", &json!({"bodies":request.targets.bodies,"material":name}))?;
}
json!({"material":name,"reused":reused,"bodies":request.targets.bodies})
}
};
Ok(json!({"entry":entry.id,"revision":entry.revision,"copied":true,"result":result}))
}
#[cfg(test)]
#[path = "libraries_tests.rs"]
mod tests;