From 8cd584cbd5b8209f5dbb53345ee9dc11dfe5ac14 Mon Sep 17 00:00:00 2001
From: garronej <joseph.garrone.gj@gmail.com>
Date: Sat, 20 Aug 2022 14:56:20 +0700
Subject: [PATCH] Implementation of #160 and #103 for v6

---
 src/bin/download-builtin-keycloak-theme.ts |  3 +-
 src/bin/tools/downloadAndUnzip.ts          | 73 +++++++++++++++++-----
 2 files changed, 60 insertions(+), 16 deletions(-)

diff --git a/src/bin/download-builtin-keycloak-theme.ts b/src/bin/download-builtin-keycloak-theme.ts
index 758afd67..66dbcdc2 100644
--- a/src/bin/download-builtin-keycloak-theme.ts
+++ b/src/bin/download-builtin-keycloak-theme.ts
@@ -12,7 +12,8 @@ export function downloadBuiltinKeycloakTheme(params: { keycloakVersion: string;
         downloadAndUnzip({
             "destDirPath": destDirPath,
             "url": `https://github.com/keycloak/keycloak/archive/refs/tags/${keycloakVersion}.zip`,
-            "pathOfDirToExtractInArchive": `keycloak-${keycloakVersion}/themes/src/main/resources${ext}/theme`
+            "pathOfDirToExtractInArchive": `keycloak-${keycloakVersion}/themes/src/main/resources${ext}/theme`,
+            "cacheDirPath": pathJoin(keycloakThemeBuildingDirPath, ".cache")
         });
     }
 }
diff --git a/src/bin/tools/downloadAndUnzip.ts b/src/bin/tools/downloadAndUnzip.ts
index dc4c9aae..1522e327 100644
--- a/src/bin/tools/downloadAndUnzip.ts
+++ b/src/bin/tools/downloadAndUnzip.ts
@@ -2,31 +2,74 @@ import { basename as pathBasename, join as pathJoin } from "path";
 import { execSync } from "child_process";
 import * as fs from "fs";
 import { transformCodebase } from "./transformCodebase";
-import { rm_rf, rm, rm_r } from "./rm";
+import { rm, rm_rf } from "./rm";
+import * as crypto from "crypto";
 
 /** assert url ends with .zip */
-export function downloadAndUnzip(params: { url: string; destDirPath: string; pathOfDirToExtractInArchive?: string }) {
-    const { url, destDirPath, pathOfDirToExtractInArchive } = params;
+export function downloadAndUnzip(params: { url: string; destDirPath: string; pathOfDirToExtractInArchive?: string; cacheDirPath: string }) {
+    const { url, destDirPath, pathOfDirToExtractInArchive, cacheDirPath } = params;
 
-    const tmpDirPath = pathJoin(destDirPath, "..", "tmp_xxKdOxnEdx");
-    const zipFilePath = pathBasename(url);
+    const extractDirPath = pathJoin(
+        cacheDirPath,
+        `_${crypto.createHash("sha256").update(JSON.stringify({ url, pathOfDirToExtractInArchive })).digest("hex").substring(0, 15)}`
+    );
 
-    rm_rf(tmpDirPath);
+    fs.mkdirSync(cacheDirPath, { "recursive": true });
 
-    fs.mkdirSync(tmpDirPath, { "recursive": true });
+    const { readIsSuccessByExtractDirPath, writeIsSuccessByExtractDirPath } = (() => {
+        const filePath = pathJoin(cacheDirPath, "isSuccessByExtractDirPath.json");
 
-    execSync(`curl -L ${url} -o ${zipFilePath}`, { "cwd": tmpDirPath });
+        type IsSuccessByExtractDirPath = Record<string, boolean | undefined>;
 
-    execSync(`unzip -o ${zipFilePath}${pathOfDirToExtractInArchive === undefined ? "" : ` "${pathOfDirToExtractInArchive}/**/*"`}`, {
-        "cwd": tmpDirPath
-    });
+        function readIsSuccessByExtractDirPath(): IsSuccessByExtractDirPath {
+            if (!fs.existsSync(filePath)) {
+                return {};
+            }
 
-    rm(pathBasename(url), { "cwd": tmpDirPath });
+            return JSON.parse(fs.readFileSync(filePath).toString("utf8"));
+        }
+
+        function writeIsSuccessByExtractDirPath(isSuccessByExtractDirPath: IsSuccessByExtractDirPath): void {
+            fs.writeFileSync(filePath, Buffer.from(JSON.stringify(isSuccessByExtractDirPath, null, 2), "utf8"));
+        }
+
+        return { readIsSuccessByExtractDirPath, writeIsSuccessByExtractDirPath };
+    })();
+
+    downloadAndUnzip: {
+        const isSuccessByExtractDirPath = readIsSuccessByExtractDirPath();
+
+        if (isSuccessByExtractDirPath[extractDirPath]) {
+            break downloadAndUnzip;
+        }
+
+        writeIsSuccessByExtractDirPath({
+            ...isSuccessByExtractDirPath,
+            [extractDirPath]: false
+        });
+
+        rm_rf(extractDirPath);
+
+        fs.mkdirSync(extractDirPath);
+
+        const zipFileBasename = pathBasename(url);
+
+        execSync(`curl -L ${url} -o ${zipFileBasename}`, { "cwd": extractDirPath });
+
+        execSync(`unzip -o ${zipFileBasename}${pathOfDirToExtractInArchive === undefined ? "" : ` "${pathOfDirToExtractInArchive}/**/*"`}`, {
+            "cwd": extractDirPath
+        });
+
+        rm(zipFileBasename, { "cwd": extractDirPath });
+
+        writeIsSuccessByExtractDirPath({
+            ...isSuccessByExtractDirPath,
+            [extractDirPath]: true
+        });
+    }
 
     transformCodebase({
-        "srcDirPath": pathOfDirToExtractInArchive === undefined ? tmpDirPath : pathJoin(tmpDirPath, pathOfDirToExtractInArchive),
+        "srcDirPath": pathOfDirToExtractInArchive === undefined ? extractDirPath : pathJoin(extractDirPath, pathOfDirToExtractInArchive),
         destDirPath
     });
-
-    rm_r(tmpDirPath);
 }