WildCam Lab Classrooms - 2018 Rebuild - part 2

src/modules/wildcam-classrooms/components/ClassroomForm.jsx

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+/*
+ClassroomForm
+-------------
+
+Component for viewing, editing, or deleting a single classroom.
+
+--------------------------------------------------------------------------------
+ */
+
+import React from 'react';
+import PropTypes from 'prop-types';
+import { Actions } from 'jumpstate';
+
+import Box from 'grommet/components/Box';
+import Button from 'grommet/components/Button';
+import Footer from 'grommet/components/Footer';
+import Form from 'grommet/components/Form';
+import FormField from 'grommet/components/FormField';
+import Heading from 'grommet/components/Heading';
+import Label from 'grommet/components/Label';
+import TextInput from 'grommet/components/TextInput';
+
+import LinkPreviousIcon from 'grommet/components/icons/base/LinkPrevious';
+import LinkNextIcon from 'grommet/components/icons/base/LinkNext';
+import CloseIcon from 'grommet/components/icons/base/Close';
+import SpinningIcon from 'grommet/components/icons/Spinning';
+
+//import { config } from '../../../lib/config';
+
+const VIEWS = {
+  CREATE: 'create',
+  EDIT: 'edit',
+}
+
+const TEXT = {
+  BACK: 'Back',
+  SUBMIT: 'Submit',
+  DELETE: 'Delete',
+  WORKING: 'Working...',
+  CREATE_NEW_CLASSROOM: 'Create new classroom',
+  EDIT_CLASSROOM: 'Edit classroom',
+  CLASSROOM_FORM: {
+    NAME: 'Classroom name',
+    SUBJECT: 'Classroom subject',
+    SCHOOL: 'School',
+    DESCRIPTION: 'Description',
+  },
+  ERROR: {
+    GENERAL: 'Something went wrong',
+  },
+  SUCCESS: {
+    CLASSROOM_CREATED: 'Classroom created',
+    CLASSROOM_EDITED: 'Changes saved',
+    CLASSROOM_DELETED: 'Classroom deleted',
+  },
+};
+
+import { PROGRAMS_PROPTYPES, PROGRAMS_INITIAL_STATE } from '../../../ducks/programs';
+import {
+  WILDCAMCLASSROOMS_COMPONENT_MODES,
+  WILDCAMCLASSROOMS_DATA_STATUS,
+  WILDCAMCLASSROOMS_INITIAL_STATE,
+  WILDCAMCLASSROOMS_PROPTYPES,
+} from '../ducks/index.js';
+
+const INITIAL_FORM_DATA = {
+  name: '',
+  subject: '',
+  school: '',
+  description: '',
+};
+
+class ClassroomForm extends React.Component {
+  constructor() {
+    super();
+    this.state = {
+      form: INITIAL_FORM_DATA,
+      //Note: the reason this object structure is one level deep is because
+      //the state previously had other things stored here, e.g. state.mode.
+    };
+  }
+
+  // ----------------------------------------------------------------
+
+  /*  Initialises the classroom form.
+   */
+  initialiseForm(selectedClassroom) {
+    if (this.props.view === VIEWS.CREATE) {
+      this.setState({ form: INITIAL_FORM_DATA });
+    } else {
+      const originalForm = INITIAL_FORM_DATA;
+      const updatedForm = {};
+      Object.keys(originalForm).map((key) => {
+        updatedForm[key] = (selectedClassroom && selectedClassroom[key])
+          ? selectedClassroom[key]
+          : originalForm[key];
+      });
+      this.setState({ form: updatedForm });
+    }
+  }
+
+  updateForm(e) {
+    this.setState({
+      form: {
+        ...this.state.form,
+        [e.target.id]: e.target.value
+      }
+    });
+
+    //Apparently [square_brackets] a superconvenient way of specifying an
+    //object key name that's variable. Sweet.
+
+  }
+
+  submitForm(e) {
+    const props = this.props;
+
+    //Prevent standard browser actions
+    e.preventDefault();
+
+    //Sanity check
+    if (!props.selectedProgram) return;
+    if (props.view === VIEWS.EDIT && !props.selectedClassroom) return;
+
+    if (props.view === VIEWS.CREATE) {
+      return Actions.wcc_teachers_createClassroom({
+        selectedProgram: props.selectedProgram,
+        classroomData: this.state.form,
+      })
+      .then(() => {
+        //Message
+        Actions.wildcamClassrooms.setToast({ message: TEXT.SUCCESS.CLASSROOM_CREATED, status: 'ok' });
+
+        //Refresh
+        //Note: this will set the data state to 'sending'.
+        Actions.wcc_teachers_fetchClassrooms(props.selectedProgram).then(() => {
+          //Transition to: View All Classrooms
+          Actions.wildcamClassrooms.resetSelectedClassroom();
+          Actions.wildcamClassrooms.setComponentMode(WILDCAMCLASSROOMS_COMPONENT_MODES.VIEW_ALL_CLASSROOMS);
+        });
+      }).catch((err) => {
+        //Error messaging done in Actions.wcc_teachers_createClassroom()
+      });
+    } else if (props.view === VIEWS.EDIT) {
+      return Actions.wcc_teachers_editClassroom({
+        selectedClassroom: props.selectedClassroom,
+        classroomData: this.state.form,
+      }).then((what) => {
+        //Message
+        Actions.wildcamClassrooms.setToast({ message: TEXT.SUCCESS.CLASSROOM_EDITED, status: 'ok' });
+
+        //Refresh
+        return Actions.wcc_teachers_refreshView({
+          program: props.selectedProgram,
+          componentMode: props.componentMode,
+          selectedClassroom: props.selectedClassroom,
+        });
+      }).catch((err) => {
+        //Error messaging done in Actions.wcc_teachers_createClassroom()
+      });
+    }
+  }
+
+  // ----------------------------------------------------------------
+
+  componentDidMount() {
+    this.initialiseForm(this.props.selectedClassroom);
+  }
+
+  componentWillReceiveProps(nextProps) {
+    if (this.props.selectedClassroom !== nextProps.selectedClassroom) {
+      this.initialiseForm(nextProps.selectedClassroom);
+    }
+  }
+
+  // ----------------------------------------------------------------
+
+  render() {
+    const props = this.props;
+    //const state = this.state;
+    //const joinURL = props.selectedClassroom
+    //  ? `${config.origin}/#/${props.selectedProgram.slug}/students/classrooms/${props.selectedClassroom.id}/join?token=${props.selectedClassroom.joinToken}`
+    //  : '';
+
+    //Get students and assignments only for this classroom.
+    //const students = (props.selectedClassroom && props.selectedClassroom.students) ? props.selectedClassroom.students : [];
+    //const assignments = (props.selectedClassroom && props.assignments && props.assignments[props.selectedClassroom.id])
+    //  ? props.assignments[props.selectedClassroom.id]
+    //  : [];
+
+    return (
+      <Box
+        className="classroom-form"
+        margin="medium"
+        pad="medium"
+      >
+        {(() => {
+          if (props.classroomsStatus === WILDCAMCLASSROOMS_DATA_STATUS.SUCCESS) {
+            return this.render_readyState();
+          } else if (props.classroomsStatus === WILDCAMCLASSROOMS_DATA_STATUS.SENDING || props.classroomsStatus === WILDCAMCLASSROOMS_DATA_STATUS.FETCHING) {
+            return this.render_workingState();
+          }
+        })()}
+      </Box>
+    );
+
+    return null;
+  }
+
+  render_readyState() {
+    const props = this.props;
+    const state = this.state;
+
+    return (
+      <Form
+        className="form"
+        onSubmit={this.submitForm.bind(this)}
+      >
+        <Heading tag="h2">
+          {(() => {
+            switch (props.view) {
+              case VIEWS.CREATE:
+                return TEXT.CREATE_NEW_CLASSROOM;
+              case VIEWS.EDIT:
+                return TEXT.EDIT_CLASSROOM
+              default:
+                return '???';
+            }
+          })()}
+        </Heading>
+
+        <fieldset>
+          <FormField htmlFor="name" label={TEXT.CLASSROOM_FORM.NAME}>
+            <TextInput
+              id="name"
+              required={true}
+              value={this.state.form.name}
+              onDOMChange={this.updateForm.bind(this)}
+            />
+          </FormField>
+        </fieldset>
+
+        <fieldset>
+          <FormField htmlFor="subject" label={TEXT.CLASSROOM_FORM.SUBJECT}>
+            <TextInput
+              id="subject"
+              value={this.state.form.subject}
+              onDOMChange={this.updateForm.bind(this)}
+            />
+          </FormField>
+        </fieldset>
+
+        <fieldset>
+          <FormField htmlFor="school" label={TEXT.CLASSROOM_FORM.SCHOOL}>
+            <TextInput
+              id="school"
+              value={this.state.form.school}
+              onDOMChange={this.updateForm.bind(this)}
+            />
+          </FormField>
+        </fieldset>
+
+        <fieldset>
+          <FormField htmlFor="school" label={TEXT.CLASSROOM_FORM.DESCRIPTION}>
+            <TextInput
+              id="description"
+              value={this.state.form.description}
+              onDOMChange={this.updateForm.bind(this)}
+            />
+          </FormField>
+        </fieldset>
+
+        <Footer
+          className="actions-panel"
+          pad="medium"
+        >
+          <Button
+            className="button"
+            icon={<LinkPreviousIcon size="small" />}
+            label={TEXT.BACK}
+            onClick={() => {
+              //Transition to: View All Classrooms
+              Actions.wildcamClassrooms.resetSelectedClassroom();
+              Actions.wildcamClassrooms.setComponentMode(WILDCAMCLASSROOMS_COMPONENT_MODES.VIEW_ALL_CLASSROOMS);
+            }}
+          />
+          <Button
+            className="button"
+            icon={<LinkNextIcon size="small" />}
+            label={TEXT.SUBMIT}
+            primary={true}
+            type="submit"
+          />
+          {(props.view !== VIEWS.EDIT && props.selectedClassroom) ? null
+            : (
+              <Button
+                className="button"
+                icon={<CloseIcon size="small" />}
+                label={TEXT.DELETE}
+                onClick={() => {
+                  return Actions.wcc_teachers_deleteClassroom(props.selectedClassroom)
+                  .then(() => {
+                    //Message
+                    Actions.wildcamClassrooms.setToast({ message: TEXT.SUCCESS.CLASSROOM_DELETED, status: 'ok' });
+
+                    //Refresh
+                    //Note: this will set the data state to 'sending'.
+                    Actions.wcc_teachers_fetchClassrooms(props.selectedProgram).then(() => {
+                      //Transition to: View All Classrooms
+                      Actions.wildcamClassrooms.resetSelectedClassroom();
+                      Actions.wildcamClassrooms.setComponentMode(WILDCAMCLASSROOMS_COMPONENT_MODES.VIEW_ALL_CLASSROOMS);
+                    });
+                  }).catch((err) => {
+                    //Error messaging done in Actions.wcc_teachers_deleteClassroom()
+                  });
+                }}
+              />
+            )
+          }
+        </Footer>
+      </Form>
+    );
+  }
+
+  render_workingState() {
+    return (
+      <Box
+        align="center"
+        alignContent="center"
+        className="status-box"
+        direction="column"
+        pad="medium"
+      >
+        <SpinningIcon />
+        <Label>{TEXT.WORKING}</Label>
+      </Box>
+    );
+  }
+};
+
+ClassroomForm.VIEWS = VIEWS;
+ClassroomForm.defaultProps = {
+  view: VIEWS.CREATE,
+  // ----------------
+  selectedProgram: PROGRAMS_INITIAL_STATE.selectedProgram,
+  // ----------------
+  componentMode: WILDCAMCLASSROOMS_INITIAL_STATE.componentMode,
+  classroomsStatus: WILDCAMCLASSROOMS_INITIAL_STATE.classroomsStatus,
+  selectedClassroom: WILDCAMCLASSROOMS_INITIAL_STATE.selectedClassroom,
+};
+
+ClassroomForm.propTypes = {
+  view: PropTypes.string,
+  // ----------------
+  selectedProgram: PROGRAMS_PROPTYPES.selectedProgram,
+  // ----------------
+  componentMode: WILDCAMCLASSROOMS_PROPTYPES.componentMode,
+  classroomsStatus: WILDCAMCLASSROOMS_PROPTYPES.classroomsStatus,
+  selectedClassroom: WILDCAMCLASSROOMS_PROPTYPES.selectedClassroom,
+};
+
+export default ClassroomForm;