Merge pull request #91 from ChangePlusPlusVandy/volunteer-application…

…-form

feature/volunteer-application-front-end

components/Event/Event.tsx

@@ -1,5 +1,5 @@
 import { QueriedVolunteerEventDTO } from 'bookem-shared/src/types/database';
-import React, { useState } from 'react';
+import React, { useEffect, useState } from 'react';
 import Header from '@/components/Event/Header';
 import BookIcon from '@/components/Event/BookIcon';
 import EventName from '@/components/Event/EventName';
@@ -16,6 +16,9 @@ import {
 import { Media } from '@/lib/media';
 import Footer from '@/components/Event/Footer';
 import { BOOKEM_THEME } from '@/utils/constants';
+import { message } from 'antd';
+import ApplicationPopup from './EventApplication/ApplicationPopup';
+
 /**
  * Event Detail
  * @param event Data about the event
@@ -26,46 +29,95 @@ const Event = ({ event }: { event: QueriedVolunteerEventDTO }) => {
    * False: display Contact
    */
   const [showAbout, setShowAbout] = useState<boolean>(true);
+  const [showApplication, setShowApplication] = useState<boolean>(false);
   const handleShowAbout = () => !showAbout && setShowAbout(!showAbout);
   const handleShowContact = () => showAbout && setShowAbout(!showAbout);
 
   /**
    * Keep track of whether this event is signed up or not
    */
   const [signedUp, setSignedUp] = useState(false);
+
+  /**
+   * keep track of the fetched application's reponse when the event requires application
+   */
+  const [applicationResponse, setApplicationResponse] = useState(null);
+
+  useEffect(() => {
+    const fetchApplicationStatus = async () => {
+      // Fetch the submitted application
+      const response = await fetch(
+        `/api/event/${event._id}/submitted-application`,
+        {
+          method: 'GET',
+        }
+      );
+
+      // console.log("response: ", response.status)
+
+      // if the application is not found, it means the user has not applied to the event
+      // do nothing
+      if (response.status === 404 || response.status === 400) {
+        return;
+      }
+
+      const { application: eventApplication, response: applicationResponse } =
+        await response.json();
+
+      // console.log("application: ", eventApplication)
+      // console.log("response: ", applicationResponse)
+
+      // If the application is submitted, set signedUp to true
+      setSignedUp(true);
+
+      // set the application response
+      setApplicationResponse(applicationResponse);
+    };
+
+    if (event.applicationId != null) {
+      fetchApplicationStatus();
+    }
+  }, [event._id, event.applicationId]);
+
   /**
    * Sign up/Unsign up the current user to the event
    * @param event
    */
   const signUpEvent = async () => {
     try {
       // If the event requires application, redirect to application page
-      if (event.requireApplication) {
-        // TODO: redirect to event application page
-        alert('Go to event application!');
+      if (event.applicationId != null) {
+        if (signedUp) {
+          message.info('You have already applied to this event');
+          return;
+        }
+        setShowApplication(true);
+        // console.log("application questions: ", event.applicationId)
+
         return;
-      }
+      } else {
+        // Send POST request to sign up
+        const response = await fetch('/api/event/' + event._id, {
+          method: 'POST',
+          headers: {
+            'Content-Type': 'application/json',
+          },
+        });
 
-      // Send POST request to sign up
-      const response = await fetch('/api/event/' + event._id, {
-        method: 'POST',
-        headers: {
-          'Content-Type': 'application/json',
-        },
-      });
-
-      // Success
-      if (response.status === 200) {
-        const message = await response.json();
-        console.log(message);
-        // Update sign up state
-        setSignedUp(!signedUp);
+        // Success
+        if (response.status === 200) {
+          const message = await response.json();
+          // console.log(message);
+          // Update sign up state
+          setSignedUp(!signedUp);
+        }
       }
     } catch (error) {
       console.error(error);
     }
   };
 
+  console.log('event: ', event);
   return (
     <>
       <EventBox>
@@ -82,6 +134,7 @@ const Event = ({ event }: { event: QueriedVolunteerEventDTO }) => {
             setSignedUp={setSignedUp}
             event={event}
             signUpEvent={signUpEvent}
+            applicationResponses={applicationResponse}
           />
         </MiddleBox>
 
@@ -142,6 +195,21 @@ const Event = ({ event }: { event: QueriedVolunteerEventDTO }) => {
           signUpEvent={signUpEvent}
         />
       </Media>
+
+      {/* Application Popup */}
+      {event.applicationId != null && (
+        <ApplicationPopup
+          event={event}
+          visible={showApplication}
+          onClose={() => {
+            setShowApplication(false);
+          }}
+          onSubmit={() => {
+            message.success('Application Submitted');
+            setSignedUp(true);
+          }}
+        />
+      )}
     </>
   );
 };

components/Event/EventApplication/ApplicationPopup.tsx

@@ -0,0 +1,130 @@
+import { Modal } from 'antd';
+import 'survey-core/defaultV2.min.css';
+import { Model } from 'survey-core';
+import { Survey } from 'survey-react-ui';
+import { useState, useEffect } from 'react';
+import {
+  ApplicationQuestionData,
+  ApplicationAnswer,
+  QueriedVolunteerEventDTO,
+} from 'bookem-shared/src/types/database';
+
+// choices can type string[] or null
+const processChoices = (choices: String[] | undefined) => {
+  if (choices == null) {
+    return null;
+  }
+
+  return choices.map(choice => {
+    return {
+      value: choice,
+      text: choice,
+    };
+  });
+};
+
+// process answes to fit the answer type. return the answer casted into application answer
+const processAnswers = (answerObj: any) => {
+  // the key of the answer object is the question id
+  // the value is the answer. The value can be a string or an array of strings
+  // we need to convert this into an array of application answers
+  const answers = Object.keys(answerObj).map(key => {
+    const answer = answerObj[key];
+    return {
+      questionId: key,
+      // check if the answer is an array, if not convert it into an array
+      text: Array.isArray(answer) ? answer : [answer],
+    };
+  });
+
+  return answers;
+};
+
+const makeSurveyModel = (questions: ApplicationQuestionData[]) => {
+  const elements = questions.map(question => {
+    return {
+      name: question._id,
+      title: question.title,
+      type: question.type,
+      isRequired: question.isRequired,
+      choices: processChoices(question.choices),
+    };
+  });
+
+  return {
+    elements: elements,
+  };
+};
+
+export default function ApplicationPopup({
+  visible,
+  onClose,
+  event,
+  onSubmit,
+}: {
+  visible: boolean;
+  onClose: () => void;
+  event: QueriedVolunteerEventDTO;
+  onSubmit: () => void;
+}) {
+  const { name } = event;
+  const [questions, setQuestions] = useState<ApplicationQuestionData[]>([]);
+
+  let survey = new Model(makeSurveyModel(questions));
+
+  survey.onComplete.add(result => {
+    const answers = processAnswers(result.data);
+    console.log('Survey results: ', answers);
+    // send the answers to the server
+    fetch('/api/event/' + event._id + '/apply', {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+      },
+      body: JSON.stringify({
+        answers: answers,
+      }),
+    });
+
+    onClose();
+    onSubmit();
+  });
+
+  useEffect(() => {
+    const fetchQuestions = async () => {
+      const res = await fetch('/api/event/' + event._id + '/apply', {
+        method: 'GET',
+        headers: {
+          'Content-Type': 'application/json',
+        },
+      });
+
+      // no application questions found
+      if (res.status === 404) {
+        return;
+      }
+
+      const data = await res.json();
+      const questions = data.message;
+      setQuestions(questions);
+    };
+    // fetch the questions from the database
+    // set the survey model
+    fetchQuestions();
+  }, [event._id]);
+
+  return (
+    <Modal
+      width={800}
+      // title="Application"
+      open={visible}
+      onCancel={onClose}
+      footer={null}>
+      <h2>
+        Application for event: <br />
+        <span style={{ color: 'gray', fontSize: '1rem' }}>{name}</span>
+      </h2>
+      <Survey model={survey} />
+    </Modal>
+  );
+}

components/Event/EventApplication/ApplicationStatusDisplay.tsx

@@ -0,0 +1,78 @@
+import { StatusDisplayText } from '@/styles/components/Event/eventName.styles';
+import {
+  CheckCircleOutlined,
+  ReadOutlined,
+  ExclamationCircleOutlined,
+} from '@ant-design/icons';
+import { useState, useEffect } from 'react';
+import {
+  ApplicationStatus,
+  ApplicationResponseData,
+  QueriedVolunteerEventDTO,
+} from 'bookem-shared/src/types/database';
+
+const ApprovedText = () => (
+  <span>
+    <CheckCircleOutlined
+      style={{
+        color: 'green',
+        margin: '0 10px',
+      }}
+    />
+    Approved
+  </span>
+);
+
+const PendingText = () => (
+  <span>
+    <ReadOutlined
+      style={{
+        color: 'orange',
+        margin: '0 10px',
+      }}
+    />
+    Under Review
+  </span>
+);
+
+const RejectedText = () => (
+  <span>
+    <ExclamationCircleOutlined
+      style={{
+        color: 'red',
+        margin: '0 10px',
+      }}
+    />
+    Rejected
+  </span>
+);
+
+const statusDisplayText = {
+  [ApplicationStatus.Pending]: <PendingText />,
+  [ApplicationStatus.Approved]: <ApprovedText />,
+  [ApplicationStatus.Rejected]: <RejectedText />,
+};
+
+// Display the status of the volunteer application
+// TODO: add logic for fetching application responses and display its status
+const ApplicationStatusDisplay = ({
+  event,
+  applicationResponses,
+}: {
+  event: QueriedVolunteerEventDTO;
+  applicationResponses: ApplicationResponseData | null;
+}) => {
+  if (applicationResponses?.status == null) {
+    return <StatusDisplayText>Application Required</StatusDisplayText>;
+  }
+
+  return (
+    <StatusDisplayText>
+      Application Status:
+      <br />
+      {statusDisplayText[applicationResponses.status]}
+    </StatusDisplayText>
+  );
+};
+
+export default ApplicationStatusDisplay;