139 lines
11 KiB
TypeScript
139 lines
11 KiB
TypeScript
import { workbenchDefinitions, type WorkbenchId } from '../freecadManifest'
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import type {
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BitBybitWebCadFacade,
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CommandState,
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DocumentSnapshot,
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Diagnostic,
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ExecuteCommandInput,
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FacadeEvent,
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FacadeListener,
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FacadeRequestContext,
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FacadeState,
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ModelTreeItem,
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TaskSnapshot,
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Unsubscribe,
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} from './types'
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import { createSqliteProjectPersistence, ProjectAutosaveScheduler } from './projectStore'
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import { ThreeViewportAdapter } from './threeViewport'
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const initialTree: ModelTreeItem[] = [
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{ id: 'origin', label: 'Origin', type: 'folder', children: ['XY_Plane', 'XZ_Plane', 'YZ_Plane'] },
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{ id: 'body', label: 'Body', type: 'body', state: 'active', children: ['sketch', 'pad', 'pocket', 'fillet'] },
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{ id: 'sketch', label: 'Sketch', type: 'sketch', state: 'valid', detail: 'Fully constrained' },
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{ id: 'pad', label: 'Pad', type: 'feature', state: 'valid', detail: 'Length 42 mm' },
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{ id: 'pocket', label: 'Pocket', type: 'feature', state: 'warning', detail: 'Through all' },
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{ id: 'fillet', label: 'Fillet', type: 'feature', state: 'valid', detail: 'Radius 3 mm' },
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{ id: 'reference', label: 'Reference geometry', type: 'folder', children: ['DatumPlane', 'DatumAxis'] },
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]
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const createDocument = (label = 'Pump Housing'): DocumentSnapshot => ({
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id: 'doc-pump-housing', label, version: 18, dirty: true, readOnly: false, units: 'mm', tree: initialTree.map((item) => ({ ...item, children: item.children ? [...item.children] : undefined })),
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})
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const selectionRequired = new Set(['pad', 'pocket', 'revolution', 'fillet', 'chamfer', 'hole', 'linear-pattern', 'polar-pattern', 'measure-distance', 'measure-angle', 'measure-area'])
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const systemCommands = new Set(['new-document', 'save', 'select-object'])
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const featureCommands: Record<string, { label: string; detail: string }> = {
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'create-body': { label: 'Body', detail: 'Part Design body' },
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'create-sketch': { label: 'Sketch', detail: 'Fully constrained' },
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pad: { label: 'Pad', detail: 'Length 42 mm' },
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pocket: { label: 'Pocket', detail: 'Through all' },
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fillet: { label: 'Fillet', detail: 'Radius 3 mm' },
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chamfer: { label: 'Chamfer', detail: 'Length 2 mm' },
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}
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const commandState = (commandId: string, activeWorkbench: WorkbenchId, selectedObjectId: string): CommandState => {
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const known = systemCommands.has(commandId) || Object.values(workbenchDefinitions).some((definition) => definition.groups.some((group) => group.commands.some((command) => command.id === commandId)))
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if (!known) return { id: commandId, status: 'disabled', reason: 'Command is not registered in the active manifest.' }
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if (commandId === 'pad' && activeWorkbench !== 'Part Design') return { id: commandId, status: 'disabled', reason: 'Switch to Part Design to use Pad.' }
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if (selectionRequired.has(commandId) && !selectedObjectId) return { id: commandId, status: 'disabled', reason: 'Select a compatible object or sub-shape first.' }
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return { id: commandId, status: 'enabled' }
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}
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export function createMockFacade(): BitBybitWebCadFacade {
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const projectPersistence = createSqliteProjectPersistence()
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const autosave = new ProjectAutosaveScheduler((document) => projectPersistence.save(document))
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let state: FacadeState = { apiVersion: '0.1', activeWorkbench: 'Part Design', selectedObjectId: 'pad', document: createDocument(), persistence: projectPersistence.capabilities(), task: null, lastNotice: '', diagnostics: [] }
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const listeners = new Set<FacadeListener>()
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const undoStack: FacadeState[] = []
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const redoStack: FacadeState[] = []
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let requestSequence = 0
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const emit = (event: FacadeEvent) => listeners.forEach((listener) => listener(event))
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const emitState = () => emit({ type: 'state.changed', state: getState() })
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const getState = () => ({ ...state, diagnostics: state.diagnostics.map((diagnostic) => ({ ...diagnostic })), document: { ...state.document, tree: state.document.tree.map((item) => ({ ...item, children: item.children ? [...item.children] : undefined })) }, task: state.task ? { ...state.task, draft: { ...state.task.draft } } : null })
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const commit = (next: FacadeState) => { undoStack.push(getState()); redoStack.length = 0; state = next; if (next.document.dirty) autosave.schedule(next.document); emitState() }
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const notify = (message: string) => { state = { ...state, lastNotice: message }; emit({ type: 'notice', message }); emitState() }
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const setActive = (id: WorkbenchId) => { state = { ...state, activeWorkbench: id }; emitState(); notify(`${id} workbench loaded`) }
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const select = (objectId: string) => { state = { ...state, selectedObjectId: objectId }; emitState() }
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const beginTask = (commandId: string, draft: Record<string, unknown> = {}) => { const task: TaskSnapshot = { id: `task-${++requestSequence}`, commandId, title: workbenchDefinitions[state.activeWorkbench].taskTitle, status: 'preview', draft }; state = { ...state, task }; emitState(); return task }
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const nextFeatureId = (label: string) => {
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const base = label.toLowerCase()
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const existing = state.document.tree.filter((item) => item.label.toLowerCase().startsWith(base)).length
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return existing === 0 ? base : `${base}${String(existing).padStart(3, '0')}`
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}
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const appendFeature = (document: DocumentSnapshot, commandId: string): { document: DocumentSnapshot; objectId: string } => {
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const definition = featureCommands[commandId]
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if (!definition) return { document, objectId: '' }
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const objectId = nextFeatureId(definition.label)
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const type = commandId === 'create-sketch' ? 'sketch' : commandId === 'create-body' ? 'body' : 'feature'
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const item: ModelTreeItem = { id: objectId, label: definition.label, type, state: type === 'body' ? 'active' : 'valid', detail: definition.detail }
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const tree: ModelTreeItem[] = document.tree.map((entry) => ({ ...entry, children: entry.children ? [...entry.children] : undefined }))
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if (type === 'body') tree.push({ ...item, children: [] })
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else {
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const body = tree.find((entry) => entry.type === 'body')
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if (body) body.children = [...(body.children || []), objectId]
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tree.push(item)
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}
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return { document: { ...document, version: document.version + 1, dirty: true, tree }, objectId }
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}
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const applyTask = () => {
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const task = state.task
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if (!task || task.status !== 'preview') return
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const result = appendFeature(state.document, task.commandId)
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if (!result.objectId) {
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state = { ...state, task: { ...task, status: 'completed' } }
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emitState()
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return
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}
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commit({ ...state, document: result.document, selectedObjectId: result.objectId, task: { ...task, status: 'completed' } })
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notify(`${featureCommands[task.commandId].label} created`)
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}
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const execute = ({ commandId, payload }: ExecuteCommandInput) => {
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const requestId = `req-${++requestSequence}`
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const context: FacadeRequestContext = { apiVersion: state.apiVersion, requestId, documentId: state.document.id, documentVersion: state.document.version, workbench: state.activeWorkbench }
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const status = commandState(commandId, state.activeWorkbench, state.selectedObjectId)
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if (status.status === 'disabled') {
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const diagnostic: Diagnostic = { id: `diag-${++requestSequence}`, severity: 'warning', code: 'COMMAND_DISABLED', message: status.reason || 'Command is disabled', objectId: state.selectedObjectId || undefined, requestId }
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state = { ...state, diagnostics: [...state.diagnostics, diagnostic] }
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emit({ type: 'diagnostic.added', diagnostic, context }); emit({ type: 'command.failed', commandId, context, message: status.reason }); notify(status.reason || 'Command is disabled'); return requestId
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}
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emit({ type: 'command.started', commandId, context })
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if (commandId === 'new-document') commit({ ...state, document: createDocument('Untitled document'), selectedObjectId: '' })
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else if (commandId === 'save') {
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const savedDocument = { ...state.document, dirty: false, version: state.document.version + 1 }
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commit({ ...state, document: savedDocument })
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void projectPersistence.save(savedDocument).catch((error: unknown) => {
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const diagnostic: Diagnostic = { id: `diag-${++requestSequence}`, severity: 'error', code: 'PERSISTENCE_SAVE_FAILED', message: error instanceof Error ? error.message : String(error), requestId }
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state = { ...state, diagnostics: [...state.diagnostics, diagnostic] }
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emit({ type: 'diagnostic.added', diagnostic, context }); notify('Save failed; export a recovery package')
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})
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}
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else if (commandId === 'select-object' && typeof payload?.objectId === 'string') select(payload.objectId)
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else if (featureCommands[commandId]) beginTask(commandId, { source: state.selectedObjectId || null })
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emit({ type: 'command.completed', commandId, context }); emitState(); return requestId
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}
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const facade: BitBybitWebCadFacade = {
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app: { document: { getActive: () => getState().document, create: (label) => { commit({ ...state, document: createDocument(label), selectedObjectId: '' }); return getState().document }, markDirty: () => { commit({ ...state, document: { ...state.document, dirty: true } }) } } },
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history: { canUndo: () => undoStack.length > 0, canRedo: () => redoStack.length > 0, undo: () => { const previous = undoStack.pop(); if (!previous) return; redoStack.push(getState()); state = previous; emitState(); notify('Undo applied') }, redo: () => { const next = redoStack.pop(); if (!next) return; undoStack.push(getState()); state = next; emitState(); notify('Redo applied') } },
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gui: { workbench: { list: () => Object.keys(workbenchDefinitions) as WorkbenchId[], getActive: () => state.activeWorkbench, setActive }, command: { getState: (commandId) => commandState(commandId, state.activeWorkbench, state.selectedObjectId), list: (workbench) => workbenchDefinitions[workbench].groups.flatMap((group) => group.commands), execute } },
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selection: { getObjectId: () => state.selectedObjectId, select, clear: () => select('') },
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task: { getActive: () => getState().task, begin: beginTask, update: (draft) => { if (state.task) state = { ...state, task: { ...state.task, draft: { ...state.task.draft, ...draft } } }; emitState() }, apply: applyTask, cancel: () => { if (state.task) state = { ...state, task: { ...state.task, status: 'cancelled' } }; emitState() } },
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project: { capabilities: () => projectPersistence.capabilities(), save: (document = getState().document) => projectPersistence.save(document), load: (documentId) => projectPersistence.load(documentId), resource: projectPersistence.resource },
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viewport: { createAdapter: () => new ThreeViewportAdapter() },
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getState, subscribe: (listener) => { listeners.add(listener); return () => { listeners.delete(listener) } }, notify,
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}
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void projectPersistence.initialize().then((nextCapabilities) => { state = { ...state, persistence: nextCapabilities }; emitState() }).catch((error: unknown) => { const diagnostic: Diagnostic = { id: `diag-${++requestSequence}`, severity: 'warning', code: 'PERSISTENCE_INIT_FAILED', message: error instanceof Error ? error.message : String(error) }; state = { ...state, diagnostics: [...state.diagnostics, diagnostic] }; emit({ type: 'diagnostic.added', diagnostic, context: { apiVersion: state.apiVersion, requestId: `req-${++requestSequence}`, documentId: state.document.id, documentVersion: state.document.version, workbench: state.activeWorkbench } }) })
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return facade
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}
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