feat: create mobile curriculum data on build (#45162)

* feat: create mobile curriculum data on build

Co-authored-by: Oliver Eyton-Williams <ojeytonwilliams@gmail.com>

.gitignore

@@ -201,6 +201,7 @@ api-server/lib/*
 curriculum/dist
 curriculum/build
 client/static/_redirects
+client/static/mobile
 
 ### UI Components ###
 tools/ui-components/dist

tools/scripts/build/build-curriculum.js

@@ -2,11 +2,18 @@ const fs = require('fs');
 const path = require('path');
 
 const { getChallengesForLang } = require('../../../curriculum/getChallenges');
+const { buildMobileCurriculum } = require('./build-mobile-curriculum');
 
 const globalConfigPath = path.resolve(__dirname, '../../../config');
 
 // We are defaulting to English because the ids for the challenges are same
 // across all languages.
 getChallengesForLang('english')
+  .then(result => {
+    buildMobileCurriculum(result);
+    return result;
+  })
   .then(JSON.stringify)
-  .then(x => fs.writeFileSync(`${globalConfigPath}/curriculum.json`, x));
+  .then(json => {
+    fs.writeFileSync(`${globalConfigPath}/curriculum.json`, json);
+  });

tools/scripts/build/build-mobile-curriculum.js

@@ -0,0 +1,42 @@
+const fs = require('fs');
+const path = require('path');
+
+exports.buildMobileCurriculum = function buildMobileCurriculum(json) {
+  const mobileStaticPath = path.resolve(__dirname, '../../../client/static');
+
+  fs.mkdirSync(`${mobileStaticPath}/mobile`, { recursive: true });
+  writeAndParseCurriculumJson(json);
+
+  function writeAndParseCurriculumJson(curriculum) {
+    const superBlockKeys = Object.keys(curriculum).filter(
+      key => key !== '00-certifications'
+    );
+
+    writeToFile('availableSuperblocks', { superblocks: superBlockKeys });
+
+    for (let i = 0; i < superBlockKeys.length; i++) {
+      const superBlock = {};
+      const blockNames = Object.keys(curriculum[superBlockKeys[i]].blocks);
+
+      if (blockNames.length === 0) continue;
+
+      superBlock[superBlockKeys[i]] = {};
+      superBlock[superBlockKeys[i]]['blocks'] = {};
+
+      for (let j = 0; j < blockNames.length; j++) {
+        superBlock[superBlockKeys[i]]['blocks'][blockNames[j]] = {};
+        superBlock[superBlockKeys[i]]['blocks'][blockNames[j]]['challenges'] =
+          curriculum[superBlockKeys[i]]['blocks'][blockNames[j]]['meta'];
+      }
+
+      writeToFile(superBlockKeys[i], superBlock);
+    }
+  }
+
+  function writeToFile(filename, json) {
+    fs.writeFileSync(
+      `${mobileStaticPath}/mobile/${filename}.json`,
+      JSON.stringify(json, null, 2)
+    );
+  }
+};