Text responses tab: add textResponsesRedux

apps/src/templates/textResponses/textResponsesRedux.js

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+import {PropTypes} from 'react';
+
+// Shape for an individual text response
+export const textResponsePropType = PropTypes.shape({
+  puzzle: PropTypes.number.isRequired,
+  question: PropTypes.string,
+  response: PropTypes.string.isRequired,
+  stage: PropTypes.string.isRequired,
+  studentId: PropTypes.number.isRequired,
+  studentName: PropTypes.string.isRequired,
+  url: PropTypes.string.isRequired
+});
+
+ // Initial state of textResponsesRedux
+const initialState = {
+  sectionId: null,
+  responseDataByScript: {},
+  isLoadingResponses: false
+};
+
+const SET_SECTION_ID = 'textResponses/SET_SECTION_ID';
+const SET_TEXT_RESPONSES = 'textResponses/SET_TEXT_RESPONSES';
+const START_LOADING_TEXT_RESPONSES = 'textResponses/START_LOADING_TEXT_RESPONSES';
+const FINISH_LOADING_TEXT_RESPONSES = 'textResponses/FINISH_LOADING_TEXT_RESPONSES';
+
+// Action creators
+export const setSectionId = sectionId => ({ type: SET_SECTION_ID, sectionId });
+export const setTextResponses = (scriptId, responseData) => ({ type: SET_TEXT_RESPONSES, scriptId, responseData});
+export const startLoadingResponses = () => ({ type: START_LOADING_TEXT_RESPONSES });
+export const finishLoadingResponses = () => ({ type: FINISH_LOADING_TEXT_RESPONSES });
+
+export const asyncLoadTextResponses = (sectionId, scriptId, onComplete) => {
+  return (dispatch, getState) => {
+    const state = getState().textResponses;
+
+    // Don't load data if it's already stored in redux.
+    if (state.responseDataByScript[scriptId]) {
+      onComplete();
+      return;
+    }
+
+    dispatch(startLoadingResponses());
+    loadTextResponsesFromServer(sectionId, scriptId, (error, data) => {
+      if (error) {
+        console.error(error);
+      } else {
+        dispatch(setTextResponses(scriptId, data));
+        onComplete();
+      }
+      dispatch(finishLoadingResponses());
+    });
+  };
+};
+
+export default function textResponses(state=initialState, action) {
+  if (action.type === SET_SECTION_ID) {
+    // Setting the sectionId is the first action to be called when switching
+    // sections, which requires us to reset our state. This might need to change
+    // once switching sections is in react/redux.
+    return {
+      ...initialState,
+      sectionId: action.sectionId
+    };
+  }
+  if (action.type === SET_TEXT_RESPONSES) {
+    return {
+      ...state,
+      responseDataByScript: {
+        ...state.responseDataByScript,
+        [action.scriptId]: action.responseData
+      }
+    };
+  }
+  if (action.type === START_LOADING_TEXT_RESPONSES) {
+    return {
+      ...state,
+      isLoadingResponses: true
+    };
+  }
+  if (action.type === FINISH_LOADING_TEXT_RESPONSES) {
+    return {
+      ...state,
+      isLoadingResponses: false
+    };
+  }
+
+  return state;
+}
+
+// Flatten text responses returned from server to remove nested student object
+export const convertTextResponseServerData = (textResponses) => {
+  let responses = [];
+  textResponses.forEach(response => {
+    const {id, name} = response.student;
+    delete response.student;
+
+    responses.push({
+      ...response,
+      studentId: id,
+      studentName: name
+    });
+  });
+
+  return responses;
+};
+
+// Make a request to the server for text responses
+// scriptId is not required; endpoint will use the default script if no scriptId is supplied
+const loadTextResponsesFromServer = (sectionId, scriptId, onComplete) => {
+  let payload = {};
+  if (scriptId) {
+    payload.script_id = scriptId;
+  }
+
+  $.ajax({
+    url: `/dashboardapi/section_text_responses/${sectionId}`,
+    method: 'GET',
+    contentType: 'application/json;charset=UTF-8',
+    data: payload
+  }).done(responseData => {
+    onComplete(null, convertTextResponseServerData(responseData));
+  }).fail((jqXhr, status) => {
+    onComplete(status, jqXhr.responseJSON);
+  });
+};

apps/test/unit/templates/textResponses/textResponsesReduxTest.js

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+import {assert} from '../../../util/configuredChai';
+import textResponses, {
+  setSectionId,
+  setTextResponses,
+  startLoadingResponses,
+  finishLoadingResponses,
+  convertTextResponseServerData
+} from '@cdo/apps/templates/textResponses/textResponsesRedux';
+
+describe('textResponsesRedux', () => {
+  const initialState = textResponses(undefined, {});
+
+  describe('setSectionId', () => {
+    it('sets sectionId', () => {
+      const action = setSectionId(3);
+      const nextState = textResponses(initialState, action);
+      assert.equal(nextState.sectionId, 3);
+    });
+
+    it('resets all other state to initialState', () => {
+      const currentState = {
+        sectionId: 1,
+        isLoadingResponses: true,
+        responseDataByScript: {
+          1: {question: 'Question 1', response: 'Response 1'},
+          2: {question: 'Question 2', response: 'Response 2'}
+        }
+      };
+      const newSectionId = 2;
+      const expectedNextState = {
+        ...initialState,
+        sectionId: newSectionId
+      };
+      const action = setSectionId(newSectionId);
+      const nextState = textResponses(currentState, action);
+      assert.deepEqual(nextState, expectedNextState);
+    });
+  });
+
+  describe('setTextResponses', () => {
+    it('associates the response data to the correct script', () => {
+      const scriptId = 2;
+      const responseData = {
+        question: 'Free Response',
+        response: 'I love to code!'
+      };
+      const action = setTextResponses(scriptId, responseData);
+      const nextState = textResponses(initialState, action);
+      const actualResponseData = nextState.responseDataByScript[scriptId];
+      assert.deepEqual(actualResponseData, responseData);
+    });
+  });
+
+  describe('startLoadingResponses', () => {
+    it('sets isLoadingResponses to true', () => {
+      const action = startLoadingResponses();
+      const nextState = textResponses(initialState, action);
+      assert.isTrue(nextState.isLoadingResponses);
+    });
+  });
+
+  describe('finishLoadingResponses', () => {
+    it('sets isLoadingResponses to false', () => {
+      const action = finishLoadingResponses();
+      const nextState = textResponses(initialState, action);
+      assert.isFalse(nextState.isLoadingResponses);
+    });
+  });
+
+  describe('convertTextResponseServerData', () => {
+    it('re-formats server data correctly', () => {
+      const serverTextResponses = [
+        {
+          question: 'Question 1',
+          response: 'Response 1',
+          student: {
+            id: 1,
+            name: 'Student 1'
+          }
+        },
+        {
+          question: 'Question 2',
+          response: 'Response 2',
+          student: {
+            id: 2,
+            name: 'Student 2'
+          }
+        },
+      ];
+      const expectedTextResponses = [
+        {
+          question: 'Question 1',
+          response: 'Response 1',
+          studentId: 1,
+          studentName: 'Student 1'
+        },
+        {
+          question: 'Question 2',
+          response: 'Response 2',
+          studentId: 2,
+          studentName: 'Student 2'
+        },
+      ];
+
+      const convertedTextResponses = convertTextResponseServerData(serverTextResponses);
+      assert.deepEqual(convertedTextResponses, expectedTextResponses);
+    });
+  });
+});