feat: detect tracks with accents

refs #29

.vscode/launch.json

@@ -1,7 +1,4 @@
 {
-  // Use IntelliSense to learn about possible attributes.
-  // Hover to view descriptions of existing attributes.
-  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
   "version": "0.2.0",
   "configurations": [
     {
@@ -19,7 +16,14 @@
       "id": "command",
       "type": "pickString",
       "description": "Which command do you want to run?",
-      "options": ["smart", "relocate", "import-ext", "help"],
+      "options": [
+        //
+        "import-ext",
+        "relocate",
+        "smart",
+        "strip-accents",
+        "help"
+      ],
       "default": "smart"
     }
   ]

src/commands/strip-accents.ts

@@ -0,0 +1,106 @@
+import chalk from 'chalk';
+import pluralize from 'pluralize';
+
+import { BaseEngineCommand } from '../base-commands';
+import * as engine from '../engine';
+import { isLicensed } from '../licensing';
+import { spinner } from '../utils';
+
+export default class StripAccents extends BaseEngineCommand {
+  async run() {
+    if (!this.checkLicense()) {
+      return;
+    }
+
+    this.warnBlock(
+      `This will NOT update tags in your files. It will only update tags in the Engine DB.`,
+    );
+
+    await this.connectToEngine();
+
+    const accentedTracks = await spinner({
+      text: 'Find accented tracks',
+      run: async ctx => {
+        const accented = await this.findTracksWithAccents();
+        const length = accented.length;
+
+        const msgSuffix = `${pluralize(
+          'track',
+          length,
+        )} with accents in their filename or tags`;
+
+        if (length) {
+          ctx.succeed(chalk`Found {yellow ${length.toString()}} ${msgSuffix}`);
+        } else {
+          ctx.warn(`Didn't find any ${msgSuffix}`);
+        }
+
+        return accented;
+      },
+    });
+    this.logTracks(accentedTracks);
+  }
+
+  private checkLicense(): boolean {
+    if (!isLicensed()) {
+      this.warnBlock(
+        chalk`The {cyan ${StripAccents.id}} command isn't included in the free version.`,
+      );
+      return false;
+    }
+
+    return true;
+  }
+
+  private async findTracksWithAccents(): Promise<engine.Track[]> {
+    const tracks = await this.engineDb.getTracks();
+
+    return tracks.filter(track =>
+      ACCENTS_REGEX.test(
+        [
+          track.album,
+          track.artist,
+          track.comment,
+          track.composer,
+          track.filename,
+          track.genre,
+          track.label,
+          track.remixer,
+          track.title,
+        ].join(''),
+      ),
+    );
+  }
+}
+
+// spell-checker: disable
+const ACCENT_MAP = {
+  ÀÁÂÃÄÅ: 'A',
+  àáâãäå: 'a',
+  ÈÉÊË: 'E',
+  èéêë: 'e',
+  ÌÍÎÏ: 'I',
+  ìíîï: 'i',
+  ÒÓÔÕÖØ: 'O',
+  òóôõöø: 'o',
+  ÙÚÛÜ: 'U',
+  ùúûüµ: 'u',
+  Ææ: 'AE',
+  Œœ: 'OE',
+  Ðð: 'DH',
+  Þþ: 'TH',
+  Çç: 'C',
+  ß: 'S',
+  '¢£€¤¥': '$',
+  '©': '©',
+  '«»': '"',
+  // '·': '.',
+  '¡': '!',
+  '¿': '?',
+  '×': '*',
+  '÷': '/',
+} as const;
+// spell-checker: enable
+
+const ALL_ACCENTS = Object.keys(ACCENT_MAP).join('');
+const ACCENTS_REGEX = new RegExp(`[${ALL_ACCENTS}]`);

webpack.config.js

@@ -35,6 +35,7 @@ module.exports = {
     ...commandEntry('import-ext'),
     ...commandEntry('relocate'),
     ...commandEntry('smart'),
+    ...commandEntry('strip-accents'),
     ...hookEntry('init', 'conf'),
     ...hookEntry('prerun', 'engine-library'),
   },