DRYs up read model from cache logic

src/core/webview/ClineProvider.ts

@@ -1775,16 +1775,20 @@ export class ClineProvider implements vscode.WebviewViewProvider {
 		// await this.postMessageToWebview({ type: "action", action: "settingsButtonClicked" }) // bad ux if user is on welcome
 	}
 
-	async readGlamaModels(): Promise<Record<string, ModelInfo> | undefined> {
-		const glamaModelsFilePath = path.join(await this.ensureCacheDirectoryExists(), GlobalFileNames.glamaModels)
-		const fileExists = await fileExistsAtPath(glamaModelsFilePath)
+	private async readModelsFromCache(filename: string): Promise<Record<string, ModelInfo> | undefined> {
+		const filePath = path.join(await this.ensureCacheDirectoryExists(), filename)
+		const fileExists = await fileExistsAtPath(filePath)
 		if (fileExists) {
-			const fileContents = await fs.readFile(glamaModelsFilePath, "utf8")
+			const fileContents = await fs.readFile(filePath, "utf8")
 			return JSON.parse(fileContents)
 		}
 		return undefined
 	}
 
+	async readGlamaModels(): Promise<Record<string, ModelInfo> | undefined> {
+		return this.readModelsFromCache(GlobalFileNames.glamaModels)
+	}
+
 	async refreshGlamaModels() {
 		const glamaModelsFilePath = path.join(await this.ensureCacheDirectoryExists(), GlobalFileNames.glamaModels)
 
@@ -1860,16 +1864,7 @@ export class ClineProvider implements vscode.WebviewViewProvider {
 	}
 
 	async readOpenRouterModels(): Promise<Record<string, ModelInfo> | undefined> {
-		const openRouterModelsFilePath = path.join(
-			await this.ensureCacheDirectoryExists(),
-			GlobalFileNames.openRouterModels,
-		)
-		const fileExists = await fileExistsAtPath(openRouterModelsFilePath)
-		if (fileExists) {
-			const fileContents = await fs.readFile(openRouterModelsFilePath, "utf8")
-			return JSON.parse(fileContents)
-		}
-		return undefined
+		return this.readModelsFromCache(GlobalFileNames.openRouterModels)
 	}
 
 	async refreshOpenRouterModels() {
@@ -1985,13 +1980,7 @@ export class ClineProvider implements vscode.WebviewViewProvider {
 	}
 
 	async readUnboundModels(): Promise<Record<string, ModelInfo> | undefined> {
-		const unboundModelsFilePath = path.join(await this.ensureCacheDirectoryExists(), GlobalFileNames.unboundModels)
-		const fileExists = await fileExistsAtPath(unboundModelsFilePath)
-		if (fileExists) {
-			const fileContents = await fs.readFile(unboundModelsFilePath, "utf8")
-			return JSON.parse(fileContents)
-		}
-		return undefined
+		return this.readModelsFromCache(GlobalFileNames.unboundModels)
 	}
 
 	async refreshUnboundModels() {