refactore, using inversify for dependency injection

src/github/build-agent.ts

@@ -0,0 +1,101 @@
+import * as path from "path";
+import * as uuidV4 from "uuid/v4";
+
+import * as core from "@actions/core";
+import * as exe from "@actions/exec";
+import * as io from "@actions/io";
+import * as toolCache from "@actions/tool-cache";
+
+import { injectable } from "inversify";
+
+import { IBuildAgent, IExecResult } from "../interfaces";
+
+@injectable()
+class BuildAgent implements IBuildAgent {
+
+    public find(toolName: string, versionSpec: string, arch?: string): string {
+        return toolCache.find(toolName, versionSpec, arch);
+    }
+
+    public cacheDir(sourceDir: string, tool: string, version: string, arch?: string): Promise<string> {
+        return toolCache.cacheDir(sourceDir, tool, version, arch);
+    }
+
+    public async createTempDir(): Promise<string> {
+        const IS_WINDOWS = process.platform === "win32";
+
+        let tempDirectory: string = process.env.RUNNER_TEMP || "";
+
+        if (!tempDirectory) {
+            let baseLocation: string;
+            if (IS_WINDOWS) {
+                // On Windows use the USERPROFILE env variable
+                baseLocation = process.env.USERPROFILE || "C:\\";
+            } else {
+                if (process.platform === "darwin") {
+                    baseLocation = "/Users";
+                } else {
+                    baseLocation = "/home";
+                }
+            }
+            tempDirectory = path.join(baseLocation, "actions", "temp");
+        }
+        const dest = path.join(tempDirectory, uuidV4());
+        await io.mkdirP(dest);
+        return dest;
+    }
+
+    public debug(message: string): void {
+        core.debug(message);
+    }
+
+    public setFailed(message: string, done?: boolean): void {
+        core.setFailed(message);
+    }
+
+    public setSucceeded(message: string, done?: boolean): void {
+        //
+    }
+
+    public exportVariable(name: string, val: string): void {
+        core.exportVariable(name, val);
+    }
+
+    public addPath(inputPath: string): void {
+        core.addPath(inputPath);
+    }
+
+    public which(tool: string, check?: boolean): Promise<string> {
+        return io.which(tool, check);
+    }
+
+    public async exec(exec: string, args: string[]): Promise<IExecResult> {
+        const dotnetPath = await io.which(exec, true);
+        let resultCode = 0;
+        let stdout = "";
+        let stderr = "";
+        resultCode = await exe.exec(
+            `"${dotnetPath}"`,
+            args,
+            {
+                listeners: {
+                    stderr: (data: Buffer) => {
+                        stderr += data.toString();
+                    },
+                    stdout: (data: Buffer) => {
+                        stdout += data.toString();
+                    },
+                },
+            });
+        return {
+            code: resultCode,
+            error: null,
+            stderr,
+            stdout,
+        };
+    }
+}
+
+export {
+    BuildAgent,
+};