feat: add support for importing songs from the cifraclub.com.br

Signed-off-by: Martin Chodur <[email protected]>

appsscript.json

@@ -45,6 +45,8 @@
     "https://api.qrserver.com/",
     "https://acordes.lacuerda.net/",
     "https://velky-zpevnik.cz/",
-    "https://www.songbook.fun/"
+    "https://www.songbook.fun/",
+    "https://cifraclub.com.br/",
+    "https://www.cifraclub.com.br/"
   ]
 }

src/import/import.ts

@@ -28,6 +28,11 @@ function getSupportedChordsImportSites() {
       regexp: /acordes\.lacuerda\.net/,
       processor: getLacuerdaChords,
     },
+    {
+      domain: "cifraclub.com.br",
+      regexp: /cifraclub\.com\.br/,
+      processor: getCifraclubChords,
+    },
     {
       domain: "pisnicky-akordy.cz",
       regexp: /pisnicky-akordy\.cz/,

src/import/sites/cifraclub.ts

@@ -0,0 +1,27 @@
+function getCifraclubChords(url: string) {
+  const html = UrlFetchApp.fetch(url).getContentText();
+  const chordsDivRegexp = /<pre>\s*(\S[\s\S]*)<\/pre>/g;
+  const chordsDivMatch = html.match(chordsDivRegexp);
+  if (chordsDivMatch === null) {
+    throw Error("failed to find the <pre> chords part.");
+  }
+  const chordsText = chordsDivMatch[0].replace(/<[^>]+>/g, "");
+  const metadataRegexp = /<title>(.+) - (.+) -.*<\/title>/;
+  const metadataMatch = html.match(metadataRegexp);
+  if (metadataMatch === null || metadataMatch.length !== 3) {
+    throw Error("failed to find the chords metadata.");
+  }
+  let youtubeLink = "";
+  // Not sure where to find the link to the youtube video.
+  // const youtubeLinkRegexp = /href="([^"]+)".*title="YouTube"/;
+  // const youtubeMatch = html.match(youtubeLinkRegexp);
+  // if (youtubeMatch && youtubeMatch.length === 2) {
+  //   youtubeLink = youtubeMatch[1];
+  // }
+  return {
+    artist: metadataMatch[2],
+    songName: metadataMatch[1],
+    videoLink: youtubeLink,
+    rows: chordsText.split("\n"),
+  };
+}