mirror of
https://github.com/storytold/figcraft.git
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phonedu
8e6b3bf449
Comments become the task queue for an attached or headless MCP client: comment.prompt returns a bounded Markdown brief, the Comments panel gains Copy for AI, and the MCP server exposes fix_comments, watch_comments, figcraft://comments and wait_for_changes. Mutating comment.* commands append to a bounded in-memory event log; the control channel's events.poll long-polls it without the UI thread, and a successful batch commits its events only if the whole batch lands. No model, network dependency, asset or file-format change.
61 lines
3.0 KiB
Rust
61 lines
3.0 KiB
Rust
//! MCP resources: the document, one layer, one command and the open comments.
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use serde_json::{Value, json};
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use crate::backend::Backend;
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pub const DOC_URI: &str = "figcraft://document";
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pub const COMMANDS_URI: &str = "figcraft://commands";
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pub const COMMENTS_URI: &str = "figcraft://comments";
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pub const NODE_TEMPLATE: &str = "figcraft://node/{id}";
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pub const COMMAND_TEMPLATE: &str = "figcraft://command/{id}";
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pub enum ReadError {
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NotFound(String),
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Backend(String),
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}
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pub fn list() -> Value {
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json!({"resources": [
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{"uri": DOC_URI, "name": "document", "title": "Active document", "description": "The active document as JSON (current page's layer tree, pages, styles, selection, history), like inspect_document.", "mimeType": "application/json"},
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{"uri": COMMANDS_URI, "name": "commands", "title": "Command catalog", "description": "Every FigCraft command with label, menu, shortcut and parameter docs.", "mimeType": "application/json"},
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{"uri": COMMENTS_URI, "name": "comments", "title": "Open comments", "description": "Every open comment thread on every page, as JSON (the same objects as comment.list).", "mimeType": "application/json"},
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]})
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}
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pub fn templates() -> Value {
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json!({"resourceTemplates": [
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{"uriTemplate": NODE_TEMPLATE, "name": "node", "title": "Layer", "description": "One layer and its children (depth 2) as JSON.", "mimeType": "application/json"},
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{"uriTemplate": COMMAND_TEMPLATE, "name": "command", "title": "Command", "description": "One command's label, menu path, shortcut and parameter docs, e.g. figcraft://command/layout.add.", "mimeType": "application/json"},
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]})
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}
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pub fn read(b: &mut dyn Backend, uri: &str) -> Result<Value, ReadError> {
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if uri == DOC_URI {
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return b.call("document.inspect", json!({"depth": 8})).map_err(ReadError::Backend);
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}
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if uri == COMMANDS_URI {
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return b.call("engine.commands", json!({})).map_err(ReadError::Backend);
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}
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if uri == COMMENTS_URI {
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return b.call("engine.execute", json!({"command": "comment.list", "params": {"page": "all", "filter": "open"}})).map_err(ReadError::Backend);
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}
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if let Some(id) = uri.strip_prefix("figcraft://node/") {
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let Some(id) = figcraft_engine::params::id_of(&Value::String(id.to_string())) else { return Err(ReadError::NotFound(uri.into())) };
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return match b.call("node.get", json!({"id": id.0, "depth": 2})) {
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Ok(Value::Null) => Err(ReadError::NotFound(uri.into())),
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Ok(v) => Ok(v),
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Err(e) if e.contains("no such node") => Err(ReadError::NotFound(uri.into())),
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Err(e) => Err(ReadError::Backend(e)),
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};
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}
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if let Some(id) = uri.strip_prefix("figcraft://command/") {
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let all = b.call("engine.commands", json!({})).map_err(ReadError::Backend)?;
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return all
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.as_array()
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.and_then(|a| a.iter().find(|c| c.get("id").and_then(Value::as_str) == Some(id)).cloned())
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.ok_or_else(|| ReadError::NotFound(uri.into()));
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}
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Err(ReadError::NotFound(uri.into()))
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}
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