From e7fdc0de7ae1438aa1f865020cd0f375e6db1d5a Mon Sep 17 00:00:00 2001
From: Krzysztof Modras <chrmod@chrmod.net>
Date: Fri, 5 Jan 2024 16:15:29 +0100
Subject: [PATCH] Export in TXT format (#198)

---
 .github/workflows/release.yml | 10 ++++++++++
 package.json                  |  5 +++--
 scripts/export-txt/index.js   | 31 +++++++++++++++++++++++++++++++
 3 files changed, 44 insertions(+), 2 deletions(-)
 create mode 100644 scripts/export-txt/index.js

diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 176d1c8b..7a78b20a 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -96,3 +96,13 @@ jobs:
           asset_path: ./dist/trackerdb.engine
           asset_name: trackerdb.engine
           asset_content_type: application/octet-stream
+
+      - name: Upload TXT
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ github.token }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: ./dist/trackerdb.txt
+          asset_name: trackerdb.txt
+          asset_content_type: text/plain
diff --git a/package.json b/package.json
index 6133663e..98dde1bf 100644
--- a/package.json
+++ b/package.json
@@ -8,10 +8,11 @@
     "test": "node test/index.js",
     "lint": "eslint --ignore-path .gitignore --ext .js,.ts .",
     "update-docs": "node scripts/update-docs.js",
-    "export": "npm run export-json && npm run export-engine && npm run export-sql",
+    "export": "npm run export-json && npm run export-engine && npm run export-sql && npm run export-txt",
     "export-sql": "node scripts/export-sql/index.js",
     "export-engine": "node scripts/export-engine/index.js",
-    "export-json": "node scripts/export-json/index.js"
+    "export-json": "node scripts/export-json/index.js",
+    "export-txt": "node scripts/export-txt/index.js"
   },
   "main": "dist/cjs/index.js",
   "module": "dist/mjs/index.js",
diff --git a/scripts/export-txt/index.js b/scripts/export-txt/index.js
new file mode 100644
index 00000000..8b9b8b02
--- /dev/null
+++ b/scripts/export-txt/index.js
@@ -0,0 +1,31 @@
+import { rmSync, existsSync, writeFileSync } from 'node:fs';
+import path from 'node:path';
+import { prepareDistFolder, BASE_PATH, getSpecs } from '../helpers.js';
+
+(async () => {
+  prepareDistFolder();
+
+  const outputPath = path.join(BASE_PATH, 'dist', 'trackerdb.txt');
+
+  if (existsSync(outputPath)) {
+    rmSync(outputPath);
+  }
+
+  const FILTERS = [];
+
+  for (const [id, spec] of getSpecs('patterns')) {
+    const category = spec.field('category').requiredStringValue();
+    const filters = spec.field('filters').optionalStringValue();
+    if (filters) {
+      for (const line of filters.split(/[\r\n]+/g)) {
+        const trimmed = line.trim();
+        if (trimmed && !trimmed.startsWith('!')) {
+          FILTERS.push(`! trackerdb_id:${id} trackerdb_category:${category}`);
+          FILTERS.push(trimmed);
+        }
+      }
+    }
+  }
+
+  writeFileSync(outputPath, FILTERS.join('\n'));
+})();