Refactor: Routes for group specific vocab activation

app/Controllers/GroupController.js

@@ -1,5 +1,7 @@
 const { createGroup, getGroups, destroyGroup, updateGroup } = require('../Services/GroupServiceProvider.js');
 const { getStats } = require('../Services/StatsServiceProvider.js');
+const ApiError = require('../utils/ApiError.js');
+const httpStatus = require('http-status');
 const catchAsync = require('../utils/catchAsync');
 
 const addGroup = catchAsync(async (req, res) => {
@@ -24,14 +26,19 @@ const sendGroups = catchAsync(async (req, res) => {
 
   // decide if we have to fetch stats
   const includeStats = (req.query.stats || false) === 'true';
+  const onlyStaged = (req.query.onlyStaged || false) === 'true';
+  const onlyActivated = (req.query.onlyActivated || false) === 'true';
 
-  // get groups
-  const groups = await getGroups(userId, languagePackageId);
+  if (onlyStaged && onlyActivated) {
+    throw new ApiError(httpStatus.BAD_REQUEST, 'you can not select both onlyStaged and onlyActivated');
+  }
 
+  // get groups
+  const groups = await getGroups(userId, languagePackageId, onlyStaged, onlyActivated);
   const formatted = await Promise.all(
     groups.map(async (group) => ({
-      ...group.toJSON(),
-
+      // if onlyStaged or onlyActivated return just group, as response has already been prepared
+      ...(onlyStaged || onlyActivated ? group : { ...group.toJSON() }),
       ...(includeStats
         ? {
             stats: await getStats({
@@ -43,7 +50,6 @@ const sendGroups = catchAsync(async (req, res) => {
         : {}),
     }))
   );
-
   res.send(formatted);
 });
 

app/Controllers/LanguagePackageController.js

@@ -28,9 +28,10 @@ const sendLanguagePackages = catchAsync(async (req, res) => {
   const userId = req.user.id;
   const includeGroups = (req.query.groups || false) === 'true';
   const includeStats = (req.query.stats || false) === 'true';
+  const onlyActivated = (req.query.onlyActivated || false) === 'true';
 
   // get language Package
-  const languagePackages = await getLanguagePackages(userId, includeGroups);
+  const languagePackages = await getLanguagePackages(userId, includeGroups, onlyActivated);
 
   const formatted = await Promise.all(
     languagePackages.map(async (languagePackage) => ({

app/Controllers/QueryController.js

@@ -8,22 +8,54 @@ const {
   getNumberOfUnresolvedVocabulary,
   getNumberOfLearnedTodayVocabulary,
 } = require('../Services/StatsServiceProvider.js');
+const { getGroupsVocabulary } = require('../Services/VocabularyServiceProvider.js');
 const catchAsync = require('../utils/catchAsync');
 
 const sendQueryVocabulary = catchAsync(async (req, res) => {
   // get userId from request
   const userId = req.user.id;
   const { languagePackageId } = req.params;
   const { limit } = { limit: '100', ...req.query };
-  const { staged } = { staged: false, ...req.query };
-  // convert to bool
-  const isStaged = staged === 'true';
+  const onlyStaged = (req.query.onlyStaged || false) === 'true';
+  const onlyActivated = (req.query.onlyActivated || false) === 'true';
+  let { groupId } = { groupId: null, ...req.query };
 
-  // if staged = true return the staged vocabulary
-  if (isStaged) {
-    const vocabulary = await getUnactivatedVocabulary(languagePackageId, userId);
+  // convert groups to Array, if only one group was sent. Express is storing it a string instead of an Array
+  if (!Array.isArray(groupId)) {
+    if (groupId !== null) {
+      groupId = [groupId];
+    }
+  }
+
+  // only staged vocabs
+  if (onlyStaged) {
+    // if group ids are set, only return staged vocabs from that groups
+    if (groupId) {
+      // specific vocab activation
+      const vocabulary = await getUnactivatedVocabulary(languagePackageId, userId, groupId);
+      res.send(vocabulary);
+    } else {
+      // return all unactivated vocabs
+      const vocabulary = await getUnactivatedVocabulary(languagePackageId, userId, groupId);
+      res.send(vocabulary);
+    }
+  }
+
+  // custom learning with only activated vocabs
+  if (!onlyStaged && onlyActivated && groupId) {
+    const vocabulary = await getGroupsVocabulary(userId, groupId, false, true, true);
     res.send(vocabulary);
-  } else {
+  }
+
+  // custom learning with activated and staged vocabs
+  if (!onlyStaged && !onlyActivated && groupId) {
+    const vocabulary = await getGroupsVocabulary(userId, groupId, false, false, true);
+    res.send(vocabulary);
+  }
+
+  // regular daily query
+  if (!onlyStaged && onlyActivated && !groupId) {
+    // if no groups are set, just return vocabs depending on the learning algorithm
     const vocabulary = await getQueryVocabulary(languagePackageId, userId, limit);
     res.send(vocabulary);
   }

app/Controllers/VocabularyController.js

@@ -50,8 +50,9 @@ const sendGroupVocabulary = catchAsync(async (req, res) => {
   const userId = req.user.id;
   const { groupId } = req.params;
   const { search } = req.query;
+  const onlyStaged = (req.query.onlyStaged || false) === 'true';
 
-  const vocabulary = await getGroupVocabulary(userId, groupId, search);
+  const vocabulary = await getGroupVocabulary(userId, groupId, search, onlyStaged);
 
   res.send(vocabulary);
 });

app/Services/GroupServiceProvider.js

@@ -1,4 +1,4 @@
-const { LanguagePackage, Group } = require('../../database');
+const { LanguagePackage, Group, VocabularyCard, Drawer } = require('../../database');
 const { deleteKeysFromObject } = require('../utils');
 const ApiError = require('../utils/ApiError.js');
 const httpStatus = require('http-status');
@@ -17,7 +17,7 @@ async function createGroup({ name, description, active }, userId, languagePackag
 }
 
 // get groups
-async function getGroups(userId, languagePackageId) {
+async function getGroups(userId, languagePackageId, onlyStaged, onlyActivated) {
   const languagePackage = await LanguagePackage.count({
     where: {
       id: languagePackageId,
@@ -29,15 +29,37 @@ async function getGroups(userId, languagePackageId) {
     throw new ApiError(httpStatus.NOT_FOUND, 'no groups found, because the language package does not exist');
   }
 
+  // if only groups with staged vocabs should be returned, include vocabs with drawer stages to validate
   const groups = await Group.findAll({
     attributes: ['id', 'languagePackageId', 'name', 'description', 'active'],
+    include:
+      onlyStaged || onlyActivated
+        ? [
+            {
+              model: VocabularyCard,
+              attributes: ['id'],
+              include: [
+                {
+                  model: Drawer,
+                  attributes: ['stage'],
+                },
+              ],
+            },
+          ]
+        : null,
+
     where: {
       userId,
       languagePackageId,
+      ...(onlyStaged && { '$VocabularyCards.active$': true } ? { '$VocabularyCards.Drawer.stage$': 0 } : null),
+      ...(onlyActivated && { '$VocabularyCards.active$': true } ? { '$VocabularyCards.Drawer.stage$': !0 } : null),
     },
   });
 
-  return groups;
+  // if onlyStaged or onlyActivated, remove VocabularyCards from response
+  return onlyStaged || onlyActivated
+    ? groups.map((group) => deleteKeysFromObject(['VocabularyCards'], group.dataValues))
+    : groups;
 }
 
 async function destroyGroup(userId, groupId) {

app/Services/LanguagePackageServiceProvider.js

@@ -1,5 +1,5 @@
 const { ForeignKeyConstraintError } = require('sequelize');
-const { LanguagePackage, Group } = require('../../database');
+const { LanguagePackage, Group, VocabularyCard, Drawer } = require('../../database');
 const { deleteKeysFromObject } = require('../utils');
 const ApiError = require('../utils/ApiError.js');
 const httpStatus = require('http-status');
@@ -34,14 +34,43 @@ async function createLanguagePackage(
 }
 
 // get language package
-async function getLanguagePackages(userId, groups) {
+async function getLanguagePackages(userId, groups, onlyActivated) {
   // Get user with email from database
   const languagePackages = await LanguagePackage.findAll({
     // if groups is true, return groups to every language package
-    include: groups ? [{ model: Group, attributes: ['id', 'name', 'description', 'active'] }] : [],
+    /* eslint-disable no-nested-ternary */
+    include: groups
+      ? [
+          {
+            model: Group,
+            attributes: ['id', 'name', 'description', 'active'],
+          },
+        ]
+      : onlyActivated
+      ? [
+          {
+            model: Group,
+            attributes: ['id', 'name', 'description', 'active'],
+            include: [
+              {
+                model: VocabularyCard,
+                attributes: ['id'],
+                include: [
+                  {
+                    model: Drawer,
+                    attributes: ['stage'],
+                  },
+                ],
+              },
+            ],
+          },
+        ]
+      : [],
+    /* eslint-enable no-nested-ternary */
     attributes: ['id', 'name', 'foreignWordLanguage', 'translatedWordLanguage', 'vocabsPerDay', 'rightWords'],
     where: {
       userId,
+      ...(onlyActivated && { '$Groups.active$': true } ? { '$Groups.VocabularyCards.Drawer.stage$': !0 } : null),
     },
   });
 

app/Services/QueryServiceProvider.js

@@ -81,7 +81,7 @@ async function getQueryVocabulary(languagePackageId, userId, limit) {
 }
 
 // return the unactivated vocabulary
-async function getUnactivatedVocabulary(languagePackageId, userId) {
+async function getUnactivatedVocabulary(languagePackageId, userId, groupIds) {
   // Get drawers id
   const drawer = await Drawer.findOne({
     attributes: ['id'],
@@ -120,6 +120,13 @@ async function getUnactivatedVocabulary(languagePackageId, userId) {
       drawerId: drawer.id,
       '$Group.active$': true,
       active: true,
+      ...(groupIds
+        ? {
+            groupId: {
+              [Op.or]: [groupIds],
+            },
+          }
+        : null),
     },
   });
 

app/Services/VocabularyServiceProvider.js

@@ -2,8 +2,7 @@ const { VocabularyCard, Translation, Drawer, Group } = require('../../database')
 const { deleteKeysFromObject } = require('../utils');
 const ApiError = require('../utils/ApiError.js');
 const httpStatus = require('http-status');
-const sequelize = require('sequelize');
-const { Op } = sequelize;
+const { Sequelize, Op } = require('sequelize');
 
 // create language package
 async function createVocabularyCard({
@@ -74,7 +73,7 @@ async function createTranslations(translations, userId, languagePackageId, vocab
   return false;
 }
 
-async function getGroupVocabulary(userId, groupId, search) {
+async function getGroupVocabulary(userId, groupId, search, onlyStaged) {
   const group = await Group.count({
     where: {
       id: groupId,
@@ -92,17 +91,25 @@ async function getGroupVocabulary(userId, groupId, search) {
         model: Translation,
         attributes: ['name'],
       },
+      {
+        model: Drawer,
+        attributes: ['stage'],
+      },
     ],
     attributes: ['id', 'name', 'active', 'description'],
     where: {
       [Op.and]: [
-        { userId, groupId },
+        {
+          userId,
+          groupId,
+          ...(onlyStaged ? { '$Drawer.stage$': 0 } : null),
+        },
         search && {
           [Op.or]: [
-            sequelize.where(sequelize.fn('lower', sequelize.col('VocabularyCard.name')), {
+            Sequelize.where(Sequelize.fn('lower', Sequelize.col('VocabularyCard.name')), {
               [Op.like]: `%${search.toLowerCase()}%`,
             }),
-            sequelize.where(sequelize.fn('lower', sequelize.col('Translations.name')), {
+            Sequelize.where(Sequelize.fn('lower', Sequelize.col('Translations.name')), {
               [Op.like]: `%${search.toLowerCase()}%`,
             }),
           ],
@@ -114,6 +121,49 @@ async function getGroupVocabulary(userId, groupId, search) {
   return vocabulary;
 }
 
+// this function is the same as getGroupVocabulary, but for multiple group ids and without search functionality
+// Because we don't use TypeScript watch out which one you use
+// TODO: Maybe I will add those two functions together one time
+async function getGroupsVocabulary(userId, groupIds, onlyStaged, onlyActivated, random) {
+  groupIds.map(async (groupId) => {
+    const group = await Group.count({
+      where: {
+        id: groupId,
+        userId,
+      },
+    });
+
+    if (group === 0) {
+      throw new ApiError(httpStatus.NOT_FOUND, 'no vocabulary cards found, because the group does not exist');
+    }
+  });
+
+  const vocabulary = await VocabularyCard.findAll({
+    include: [
+      {
+        model: Translation,
+        attributes: ['name'],
+      },
+      {
+        model: Drawer,
+        attributes: ['stage'],
+      },
+    ],
+    order: random ? Sequelize.literal('random()') : null,
+    attributes: ['id', 'name', 'active', 'description'],
+    where: {
+      userId,
+      ...(onlyStaged ? { '$Drawer.stage$': 0 } : null),
+      ...(onlyActivated ? { '$Drawer.stage$': !0 } : null),
+      groupId: {
+        [Op.or]: [groupIds],
+      },
+    },
+  });
+
+  return vocabulary;
+}
+
 async function destroyVocabularyCard(userId, vocabularyCardId) {
   const counter = await VocabularyCard.destroy({
     where: {
@@ -180,5 +230,6 @@ module.exports = {
   createTranslations,
   destroyVocabularyCard,
   getGroupVocabulary,
+  getGroupsVocabulary,
   updateVocabulary,
 };