@tekdi/sunbird-quml-player
Version:
The QuML player library components are powered by Angular. This player is primarily designed to be used on Sunbird consumption platforms (mobile app, web portal, offline desktop app) to drive reusability and maintainability, hence reducing the redundant d
287 lines • 40.7 kB
JavaScript
import { Injectable } from '@angular/core';
import * as _ from 'lodash-es';
import { v4 as uuidv4 } from 'uuid';
import * as i0 from "@angular/core";
export class TransformationService {
getTransformedHierarchy(questionsetMetadata) {
let updatedMetadata = this.getTransformedQuestionSetMetadata(questionsetMetadata);
if (!_.isEmpty(updatedMetadata, 'children')) {
updatedMetadata.children = this.transformChildren(updatedMetadata.children);
}
return updatedMetadata;
}
getTransformedQuestionSetMetadata(data) {
data = this.processMaxScoreProperty(data);
data = _.omit(data, 'version');
data = this.processInstructions(data);
data = this.processBloomsLevel(data);
data = this.processBooleanProps(data);
data = this.processTimeLimits(data);
return data;
}
processMaxScoreProperty(data) {
if (_.has(data, 'maxScore')) {
const outcomeDeclaration = {
maxScore: {
cardinality: 'single',
type: 'integer',
defaultValue: data.maxScore
}
};
data = _.omit(data, 'maxScore');
data['outcomeDeclaration'] = outcomeDeclaration;
}
return data;
}
processInstructions(data) {
if (_.has(data, 'instructions.default')) {
data.instructions = data.instructions.default;
}
return data;
}
processBloomsLevel(data) {
if (_.has(data, 'bloomsLevel')) {
const bLevel = _.get(data, 'bloomsLevel');
_.unset(data, 'bloomsLevel');
_.set(data, 'complexityLevel', [bLevel.toString()]);
}
return data;
}
processBooleanProps(data) {
const booleanProps = ["showSolutions", "showFeedback", "showHints", "showTimer"];
const getBooleanValue = (str) => str === "Yes";
_.forEach(booleanProps, (prop) => {
if (_.has(data, prop)) {
const propVal = data[prop];
data[prop] = getBooleanValue(propVal);
}
});
return data;
}
processTimeLimits(data) {
let parsedTimeLimits;
if (_.has(data, 'timeLimits') && !_.isNull(data.timeLimits)) {
if (_.isString(data.timeLimits)) {
parsedTimeLimits = JSON.parse(data.timeLimits);
}
else {
parsedTimeLimits = data.timeLimits;
}
data.timeLimits = {
questionSet: {
min: 0,
max: parsedTimeLimits?.maxTime ? _.toInteger(parsedTimeLimits.maxTime) : 0
}
};
}
return data;
}
transformChildren(children) {
const self = this;
if (!_.isEmpty(children)) {
_.forEach(children, (ch) => {
if (_.has(ch, 'version')) {
_.unset(ch, 'version');
}
ch = this.processBloomsLevel(ch);
ch = this.processBooleanProps(ch);
if (_.get(ch, 'mimeType').toLowerCase() === 'application/vnd.sunbird.questionset') {
ch = this.processTimeLimits(ch);
ch = this.processInstructions(ch);
const nestedChildren = _.get(ch, 'children', []);
self.transformChildren(nestedChildren);
}
});
}
return children;
}
getTransformedQuestionMetadata(data) {
if (_.has(data, 'questions')) {
_.forEach(data.questions, (question) => {
if (!_.has(question, 'qumlVersion') || question.qumlVersion != 1.1) {
question = this.processResponseDeclaration(question);
question = this.processInteractions(question);
question = this.processSolutions(question);
question = this.processInstructions(question);
question = this.processHints(question);
question = this.processBloomsLevel(question);
question = this.processBooleanProps(question);
const ans = this.getAnswer(question);
if (!_.isEmpty(ans)) {
_.set(question, 'answer', ans);
}
}
});
return data;
}
}
processResponseDeclaration(data) {
let outcomeDeclaration = {};
if (_.isEqual(_.toLower(data.primaryCategory), 'subjective question')) {
data = this.processSubjectiveResponseDeclaration(data);
}
else {
let responseDeclaration = data.responseDeclaration;
if (!_.isEmpty(responseDeclaration)) {
for (const key in responseDeclaration) {
const responseData = responseDeclaration[key];
const maxScore = {
cardinality: _.get(responseData, 'cardinality', ''),
type: _.get(responseData, 'type', ''),
defaultValue: _.get(responseData, 'maxScore'),
};
delete responseData.maxScore;
outcomeDeclaration['maxScore'] = maxScore;
const correctResp = responseData.correctResponse || {};
delete correctResp.outcomes;
if (_.toLower(_.get(responseData, 'type')) === 'integer' && _.toLower(_.get(responseData, 'cardinality')) === 'single') {
const correctKey = correctResp.value;
correctResp.value = parseInt(correctKey, 10);
}
responseData.mapping = this.getUpdatedMapping(responseData);
responseDeclaration[key] = responseData;
}
data.responseDeclaration = responseDeclaration;
data['outcomeDeclaration'] = outcomeDeclaration;
}
}
return data;
}
processSubjectiveResponseDeclaration(subjectiveMetadata) {
let outcomeDeclaration = {};
delete subjectiveMetadata.responseDeclaration;
delete subjectiveMetadata.interactions;
if (_.has(subjectiveMetadata, 'maxScore') && !_.isNull(subjectiveMetadata.maxScore)) {
outcomeDeclaration = {
maxScore: {
cardinality: 'single',
type: 'integer',
defaultValue: subjectiveMetadata.maxScore
}
};
subjectiveMetadata.outcomeDeclaration = outcomeDeclaration;
return subjectiveMetadata;
}
return subjectiveMetadata;
}
getUpdatedMapping(responseData) {
const mappingData = responseData.mapping || [];
if (!_.isEmpty(mappingData)) {
const updatedMapping = mappingData.map(mapData => ({
value: mapData.response,
score: _.get(mapData, 'outcomes.score', 0),
}));
return updatedMapping;
}
return mappingData;
}
processInteractions(data) {
const interactions = _.get(data, 'interactions', {});
if (!_.isEmpty(interactions)) {
const validation = _.get(interactions, 'validation', {});
const resp1 = _.get(interactions, 'response1', {});
const resValData = _.get(interactions, 'response1.validation', {});
if (!_.isEmpty(resValData)) {
_.forEach(resValData, (value, key) => {
_.set(validation, key, value);
});
}
else {
_.set(resp1, 'validation', validation);
}
_.unset(interactions, 'validation');
_.set(interactions, 'response1', resp1);
_.set(data, 'interactions', interactions);
}
return data;
}
processSolutions(data) {
const solutions = _.get(data, 'solutions', []);
if (!_.isEmpty(solutions) && _.isArray(solutions)) {
const updatedSolutions = _.reduce(solutions, (result, solution) => {
result[_.get(solution, 'id')] = this.getSolutionString(solution, _.get(data, 'media', []));
return result;
}, {});
_.set(data, 'solutions', updatedSolutions);
}
return data;
}
getSolutionString(data, media) {
if (!_.isEmpty(data)) {
const type = _.get(data, 'type', '');
switch (type) {
case 'html': {
return _.get(data, 'value', '');
}
case 'video': {
const value = _.get(data, 'value', '');
const mediaData = _.find(media, (item) => _.isEqual(value, _.get(item, 'id', '')));
if (mediaData) {
const src = _.get(mediaData, 'src', '');
const thumbnail = _.get(mediaData, 'thumbnail', '');
const solutionStr = `<video data-asset-variable="media_identifier" width="400" controls poster="thumbnail_url">
<source type="video/mp4" src="media_source_url">
<source type="video/webm" src="media_source_url">
</video>`.replace('media_identifier', value).replace('thumbnail_url', thumbnail).replace(/media_source_url/g, src);
return solutionStr;
}
return '';
}
default: {
return '';
}
}
}
return '';
}
processHints(data) {
const hints = _.get(data, 'hints', []);
let updatedHints = {};
if (!_.isEmpty(hints)) {
_.forEach(hints, (hint) => {
_.merge(updatedHints, { [uuidv4()]: hint });
});
_.set(data, 'hints', updatedHints);
}
return data;
}
getAnswer(data) {
const interactions = _.get(data, 'interactions', {});
if (!_.isEqual(_.get(data, 'primaryCategory'), 'Subjective Question') && !_.isEmpty(interactions)) {
const responseData = _.get(data, 'responseDeclaration.response1', {});
const options = _.get(interactions, 'response1.options', {});
let formatedAnswer = '';
let answerData = _.get(responseData, 'cardinality');
if (answerData === 'single') {
const correctResp = _.get(_.get(responseData, 'correctResponse', {}), 'value', 0);
const label = options[correctResp];
formatedAnswer = `<div class="answer-container"><div class="answer-body">${label.label}</div></div>`;
}
else {
const correctResp = _.get(responseData, 'correctResponse.value');
let singleAns = '<div class="answer-body">answer_html</div>';
const answerList = [];
_.forEach(options, (option) => {
if (_.includes(correctResp, option.value)) {
const replAns = _.replace(singleAns, 'answer_html', _.get(option, 'label'));
answerList.push(replAns);
}
});
formatedAnswer = `<div class="answer-container">${answerList.join('')}</div>`;
}
return formatedAnswer;
}
else {
return _.get(data, 'answer', '');
}
}
/** @nocollapse */ static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: TransformationService, deps: [], target: i0.ɵɵFactoryTarget.Injectable }); }
/** @nocollapse */ static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: TransformationService, providedIn: 'root' }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: TransformationService, decorators: [{
type: Injectable,
args: [{
providedIn: 'root'
}]
}] });
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{ Injectable } from '@angular/core';\nimport * as _ from 'lodash-es';\nimport { v4 as uuidv4 } from 'uuid';\n\n@Injectable({\n  providedIn: 'root'\n})\nexport class TransformationService {\n\n  getTransformedHierarchy(questionsetMetadata) {\n    let updatedMetadata = this.getTransformedQuestionSetMetadata(questionsetMetadata);\n    if (!_.isEmpty(updatedMetadata, 'children')) {\n      updatedMetadata.children = this.transformChildren(updatedMetadata.children);\n    }\n    return updatedMetadata;\n  }\n\n  getTransformedQuestionSetMetadata(data) {\n    data = this.processMaxScoreProperty(data);\n    data = _.omit(data, 'version');\n    data = this.processInstructions(data);\n    data = this.processBloomsLevel(data);\n    data = this.processBooleanProps(data);\n    data = this.processTimeLimits(data);\n    return data;\n  }\n\n  processMaxScoreProperty(data) {\n    if (_.has(data, 'maxScore')) {\n      const outcomeDeclaration = {\n        maxScore: {\n          cardinality: 'single',\n          type: 'integer',\n          defaultValue: data.maxScore\n        }\n      }\n      data = _.omit(data, 'maxScore');\n      data['outcomeDeclaration'] = outcomeDeclaration;\n    }\n\n    return data;\n  }\n\n  processInstructions(data) {\n    if (_.has(data, 'instructions.default')) {\n      data.instructions = data.instructions.default;\n    }\n    return data;\n  }\n\n  processBloomsLevel(data) {\n    if (_.has(data, 'bloomsLevel')) {\n      const bLevel = _.get(data, 'bloomsLevel');\n      _.unset(data, 'bloomsLevel');\n      _.set(data, 'complexityLevel', [bLevel.toString()]);\n    }\n    return data;\n  }\n\n  processBooleanProps(data: any) {\n    const booleanProps = [\"showSolutions\", \"showFeedback\", \"showHints\", \"showTimer\"];\n    const getBooleanValue = (str: any) => str === \"Yes\";\n\n    _.forEach(booleanProps, (prop: any) => {\n      if (_.has(data, prop)) {\n        const propVal = data[prop];\n        data[prop] = getBooleanValue(propVal);\n      }\n    });\n\n    return data;\n  }\n\n  processTimeLimits(data) {\n  let parsedTimeLimits;\n  if (_.has(data, 'timeLimits') && !_.isNull(data.timeLimits)) {\n    if (_.isString(data.timeLimits)) {\n      parsedTimeLimits = JSON.parse(data.timeLimits);\n    } else {\n      parsedTimeLimits = data.timeLimits;\n    }\n\n    data.timeLimits = {\n      questionSet: {\n        min: 0,\n        max: parsedTimeLimits?.maxTime ? _.toInteger(parsedTimeLimits.maxTime) : 0\n      }\n    };\n  }\n\n  return data;\n}\n\n  transformChildren(children: any) {\n    const self = this;\n    if (!_.isEmpty(children)) {\n      _.forEach(children, (ch) => {\n        if (_.has(ch, 'version')) {\n          _.unset(ch, 'version');\n        }\n        ch = this.processBloomsLevel(ch);\n        ch = this.processBooleanProps(ch);\n        if (_.get(ch, 'mimeType').toLowerCase() === 'application/vnd.sunbird.questionset') {\n          ch = this.processTimeLimits(ch);\n          ch = this.processInstructions(ch);\n          const nestedChildren = _.get(ch, 'children', []);\n          self.transformChildren(nestedChildren);\n        }\n      });\n    }\n    return children;\n  }\n\n  getTransformedQuestionMetadata(data) {\n    if (_.has(data, 'questions')) {\n      _.forEach(data.questions, (question) => {\n        if (!_.has(question, 'qumlVersion') || question.qumlVersion != 1.1) {\n          question = this.processResponseDeclaration(question);\n          question = this.processInteractions(question);\n          question = this.processSolutions(question);\n          question = this.processInstructions(question);\n          question = this.processHints(question);\n          question = this.processBloomsLevel(question);\n          question = this.processBooleanProps(question);\n          const ans = this.getAnswer(question)\n          if (!_.isEmpty(ans)) {\n            _.set(question, 'answer', ans);\n          }\n        }\n      });\n      return data;\n    }\n  }\n\n  processResponseDeclaration(data) {\n    let outcomeDeclaration = {};\n    if (_.isEqual(_.toLower(data.primaryCategory), 'subjective question')) {\n      data = this.processSubjectiveResponseDeclaration(data);\n    } else {\n      let responseDeclaration = data.responseDeclaration;\n      if (!_.isEmpty(responseDeclaration)) {\n        for (const key in responseDeclaration) {\n          const responseData = responseDeclaration[key];\n          const maxScore = {\n            cardinality: _.get(responseData, 'cardinality', ''),\n            type: _.get(responseData, 'type', ''),\n            defaultValue: _.get(responseData, 'maxScore'),\n          };\n          delete responseData.maxScore;\n          outcomeDeclaration['maxScore'] = maxScore;\n          const correctResp = responseData.correctResponse || {};\n          delete correctResp.outcomes;\n          if (_.toLower(_.get(responseData, 'type')) === 'integer' && _.toLower(_.get(responseData, 'cardinality')) === 'single') {\n            const correctKey = correctResp.value;\n            correctResp.value = parseInt(correctKey, 10);\n          }\n          responseData.mapping = this.getUpdatedMapping(responseData);\n          responseDeclaration[key] = responseData;\n        }\n        data.responseDeclaration = responseDeclaration;\n        data['outcomeDeclaration'] = outcomeDeclaration;\n      }\n    }\n    return data;\n  }\n\n  processSubjectiveResponseDeclaration(subjectiveMetadata) {\n    let outcomeDeclaration = {};\n    delete subjectiveMetadata.responseDeclaration;\n    delete subjectiveMetadata.interactions;\n    if (_.has(subjectiveMetadata, 'maxScore') && !_.isNull(subjectiveMetadata.maxScore)) {\n      outcomeDeclaration = {\n        maxScore: {\n          cardinality: 'single',\n          type: 'integer',\n          defaultValue: subjectiveMetadata.maxScore\n        }\n      };\n      subjectiveMetadata.outcomeDeclaration = outcomeDeclaration;\n      return subjectiveMetadata;\n    }\n    return subjectiveMetadata;\n  }\n\n  getUpdatedMapping(responseData) {\n    const mappingData = responseData.mapping || [];\n    if (!_.isEmpty(mappingData)) {\n      const updatedMapping = mappingData.map(mapData => ({\n        value: mapData.response,\n        score: _.get(mapData, 'outcomes.score', 0),\n      }));\n      return updatedMapping;\n    }\n    return mappingData;\n  }\n\n  processInteractions(data: any) {\n    const interactions: any = _.get(data, 'interactions', {});\n    if (!_.isEmpty(interactions)) {\n      const validation: any = _.get(interactions, 'validation', {});\n      const resp1: any = _.get(interactions, 'response1', {});\n      const resValData: any = _.get(interactions, 'response1.validation', {});\n      if (!_.isEmpty(resValData)) {\n        _.forEach(resValData, (value, key) => {\n          _.set(validation, key, value)\n        });\n      } else {\n        _.set(resp1, 'validation', validation);\n      }\n      _.unset(interactions, 'validation');\n      _.set(interactions, 'response1', resp1);\n      _.set(data, 'interactions', interactions);\n    }\n    return data;\n  }\n\n  processSolutions(data) {\n    const solutions = _.get(data, 'solutions', []);\n\n    if (!_.isEmpty(solutions) && _.isArray(solutions)) {\n      const updatedSolutions = _.reduce(solutions, (result, solution) => {\n        result[_.get(solution, 'id')] = this.getSolutionString(solution, _.get(data, 'media', []));\n        return result;\n      }, {});\n\n      _.set(data, 'solutions', updatedSolutions);\n    }\n    return data;\n  }\n\n  getSolutionString(data, media) {\n    if (!_.isEmpty(data)) {\n      const type = _.get(data, 'type', '');\n\n      switch (type) {\n        case 'html': {\n          return _.get(data, 'value', '');\n        }\n\n        case 'video': {\n          const value = _.get(data, 'value', '');\n          const mediaData = _.find(media, (item) => _.isEqual(value, _.get(item, 'id', '')));\n\n          if (mediaData) {\n            const src = _.get(mediaData, 'src', '');\n            const thumbnail = _.get(mediaData, 'thumbnail', '');\n\n            const solutionStr = `<video data-asset-variable=\"media_identifier\" width=\"400\" controls poster=\"thumbnail_url\">\n              <source type=\"video/mp4\" src=\"media_source_url\">\n              <source type=\"video/webm\" src=\"media_source_url\">\n            </video>`.replace('media_identifier', value).replace('thumbnail_url', thumbnail).replace(/media_source_url/g, src);\n\n            return solutionStr;\n          }\n          return '';\n        }\n\n        default: {\n          return '';\n        }\n      }\n    }\n\n    return '';\n  }\n\n  processHints(data) {\n    const hints = _.get(data, 'hints', []);\n    let updatedHints = {};\n    if (!_.isEmpty(hints)) {\n      _.forEach(hints, (hint) => {\n        _.merge(updatedHints, {[uuidv4()]: hint});\n      })\n\n      _.set(data, 'hints', updatedHints);\n    }\n    return data;\n  }\n\n  getAnswer(data) {\n    const interactions = _.get(data, 'interactions', {});\n\n    if (!_.isEqual(_.get(data, 'primaryCategory'), 'Subjective Question') && !_.isEmpty(interactions)) {\n      const responseData = _.get(data, 'responseDeclaration.response1', {});\n      const options = _.get(interactions, 'response1.options', {});\n      let formatedAnswer = '';\n\n      let answerData = _.get(responseData, 'cardinality');\n\n      if (answerData === 'single') {\n        const correctResp = _.get(_.get(responseData, 'correctResponse', {}), 'value', 0);\n        const label = options[correctResp];\n\n        formatedAnswer = `<div class=\"answer-container\"><div class=\"answer-body\">${label.label}</div></div>`;\n      } else {\n        const correctResp = _.get(responseData, 'correctResponse.value');\n        let singleAns = '<div class=\"answer-body\">answer_html</div>';\n        const answerList = [];\n        _.forEach(options, (option) => {\n          if (_.includes(correctResp, option.value,)) {\n            const replAns = _.replace(singleAns, 'answer_html', _.get(option, 'label'))\n            answerList.push(replAns)\n          }\n        })\n        formatedAnswer = `<div class=\"answer-container\">${answerList.join('')}</div>`;\n      }\n      return formatedAnswer;\n    }\n    else {\n      return _.get(data, 'answer', '');\n    }\n  }\n}\n"]}