fix(vscode): passing any lineage error through

vscode/extension/src/lsp/custom.ts

@@ -14,7 +14,7 @@ interface RenderModelRequest {
   textDocumentUri: string
 }
 
-interface RenderModelResponse {
+interface RenderModelResponse extends BaseResponse {
   models: RenderModelEntry[]
 }
 
@@ -25,7 +25,6 @@ export interface RenderModelEntry {
   rendered_query: string
 }
 
-// @eslint-disable-next-line  @typescript-eslint/consistent-type-definition
 export type CustomLSPMethods =
   | AllModelsMethod
   | AbstractAPICall
@@ -40,7 +39,7 @@ interface AllModelsRequest {
   }
 }
 
-interface AllModelsResponse {
+interface AllModelsResponse extends BaseResponse {
   models: string[]
   keywords: string[]
 }
@@ -55,9 +54,11 @@ export interface AbstractAPICallRequest {
 export interface AbstractAPICall {
   method: 'sqlmesh/api'
   request: AbstractAPICallRequest
-  response: object
+  response: AbstractAPICallResponse
 }
 
+type AbstractAPICallResponse = object & BaseResponse
+
 export interface AllModelsForRenderMethod {
   method: 'sqlmesh/all_models_for_render'
   request: AllModelsForRenderRequest
@@ -67,7 +68,7 @@ export interface AllModelsForRenderMethod {
 // eslint-disable-next-line @typescript-eslint/no-empty-object-type
 interface AllModelsForRenderRequest {}
 
-interface AllModelsForRenderResponse {
+interface AllModelsForRenderResponse extends BaseResponse {
   models: ModelForRendering[]
 }
 
@@ -87,7 +88,7 @@ export interface SupportedMethodsMethod {
 // eslint-disable-next-line @typescript-eslint/no-empty-object-type
 interface SupportedMethodsRequest {}
 
-interface SupportedMethodsResponse {
+interface SupportedMethodsResponse extends BaseResponse {
   methods: CustomMethod[]
 }
 
@@ -105,4 +106,8 @@ export interface FormatProjectMethod {
 interface FormatProjectRequest {}
 
 // eslint-disable-next-line @typescript-eslint/no-empty-object-type
-interface FormatProjectResponse {}
+interface FormatProjectResponse extends BaseResponse {}
+
+interface BaseResponse {
+  response_error?: string
+}

vscode/extension/src/lsp/lsp.ts

@@ -256,6 +256,9 @@ export class LSPClient implements Disposable {
 
     try {
       const result = await this.client.sendRequest<Response>(method, request)
+      if (result.response_error) {
+        return err(result.response_error)
+      }
       return ok(result)
     } catch (error) {
       traceError(

vscode/extension/src/webviews/lineagePanel.ts

@@ -10,6 +10,7 @@ import {
 } from 'vscode'
 import { getWorkspaceFolders } from '../utilities/common/vscodeapi'
 import { LSPClient } from '../lsp/lsp'
+import { isErr } from '@bus/result'
 
 export class LineagePanel implements WebviewViewProvider, Disposable {
   public static readonly viewType = 'sqlmesh.lineage'
@@ -97,12 +98,40 @@ export class LineagePanel implements WebviewViewProvider, Disposable {
                   'sqlmesh/api',
                   payload.params,
                 )
-                const responseCallback: CallbackEvent = {
-                  key: 'rpcResponse',
-                  payload: {
-                    requestId,
-                    result: response,
-                  },
+                let responseCallback: CallbackEvent
+                if (isErr(response)) {
+                  let errorMessage: string
+                  switch (response.error.type) {
+                    case 'generic':
+                      errorMessage = response.error.message
+                      break
+                    case 'invalid_state':
+                      errorMessage = `Invalid state: ${response.error.message}`
+                      break
+                    case 'sqlmesh_outdated':
+                      errorMessage = `SQLMesh version issue: ${response.error.message}`
+                      break
+                    default:
+                      errorMessage = 'Unknown error'
+                  }
+                  responseCallback = {
+                    key: 'rpcResponse',
+                    payload: {
+                      requestId,
+                      result: {
+                        ok: false,
+                        error: errorMessage,
+                      },
+                    },
+                  }
+                } else {
+                  responseCallback = {
+                    key: 'rpcResponse',
+                    payload: {
+                      requestId,
+                      result: response,
+                    },
+                  }
                 }
                 await webviewView.webview.postMessage(responseCallback)
                 break

vscode/extension/tests/broken_project.spec.ts

@@ -92,3 +92,39 @@ test('bad project, double model, then fixed', async ({}) => {
     await fs.remove(tempDir)
   }
 })
+
+test('bad project, double model, check lineage', async ({}) => {
+  const tempDir = await fs.mkdtemp(
+    path.join(os.tmpdir(), 'vscode-test-tcloud-'),
+  )
+  await fs.copy(SUSHI_SOURCE_PATH, tempDir)
+
+  // Read the customers.sql file
+  const customersSql = await fs.readFile(
+    path.join(tempDir, 'models', 'customers.sql'),
+    'utf8',
+  )
+
+  // Write the customers.sql file with a double model
+  await fs.writeFile(
+    path.join(tempDir, 'models', 'customers_duplicated.sql'),
+    customersSql,
+  )
+
+  const { window, close } = await startVSCode(tempDir)
+  try {
+    await window.waitForSelector('text=models')
+
+    // Open the lineage view
+    await openLineageView(window)
+
+    await window.waitForSelector('text=Error creating context')
+
+    await window.waitForSelector('text=Error:')
+
+    await window.waitForTimeout(1000)
+  } finally {
+    await close()
+    await fs.remove(tempDir)
+  }
+})

vscode/react/src/pages/lineage.tsx

@@ -73,7 +73,11 @@ function Lineage() {
   const { on } = useEventBus()
   const queryClient = useQueryClient()
 
-  const { data: models, isLoading: isLoadingModels } = useApiModels()
+  const {
+    data: models,
+    isLoading: isLoadingModels,
+    error: modelsError,
+  } = useApiModels()
   const rpc = useRpc()
   React.useEffect(() => {
     const fetchFirstTimeModelIfNotSet = async (
@@ -143,6 +147,10 @@ function Lineage() {
     }
   }, [on, queryClient, modelsRecord])
 
+  if (modelsError) {
+    return <div>Error: {modelsError.message}</div>
+  }
+
   if (
     isLoadingModels ||
     models === undefined ||