ConceptForm.jsx

import React from 'react';
import alertifyjs from 'alertifyjs';
import Autocomplete from '@material-ui/lab/Autocomplete';
import { TextField, IconButton, Button, CircularProgress } from '@material-ui/core';
import { Add as AddIcon } from '@material-ui/icons';
import {
  set, get, map, orderBy, cloneDeep, reject, pullAt, filter, isEmpty, pick
} from 'lodash';
import APIService from '../../services/APIService';
import { arrayToObject, getCurrentURL } from '../../common/utils';
import { ERROR_RED } from '../../common/constants';
import LocaleForm from './LocaleForm';
import ExtrasForm from './ExtrasForm';


const NAME_MODEL = {
  locale: '', name_type: '', name: '', external_id: '', locale_preferred: false
}

const DESC_MODEL = {
  locale: '', description_type: '', description: '', external_id: '', locale_preferred: false
}
const EXTRAS_MODEL = {
  key: '', value: '',
}


class ConceptForm extends React.Component {
  constructor(props) {
    super(props);
    this.state = {
      fields: {
        id: '',
        concept_class: '',
        datatype: '',
        external_id: '',
        names: [cloneDeep(NAME_MODEL)],
        descriptions: [cloneDeep(DESC_MODEL)],
        extras: [cloneDeep(EXTRAS_MODEL)],
        comment: '',
      },
      fieldErrors: {},
      serverErrors: null,
      idHelperTexts: ['Alphanumeric characters, hyphens, periods, and underscores are allowed.'],
      selected_concept_class: null,
      selected_datatype: null,
      conceptClasses: [],
      datatypes: [],
      locales: [],
      nameTypes: [],
      descriptionTypes: [],
    }
  }

  componentDidMount() {
    this.fetchConceptClasses();
    this.fetchDatatypes();
    this.fetchLocales();
    this.fetchNameTypes();
    this.fetchDescriptionTypes();
    if(this.props.edit && this.props.concept)
      this.setFieldsForEdit()
  }

  setFieldsForEdit() {
    const { concept } = this.props;
    const newState = {...this.state}
    newState.fields.id = concept.id
    newState.fields.concept_class = concept.concept_class
    newState.selected_concept_class = {id: concept.concept_class, name: concept.concept_class}
    newState.selected_datatype = {id: concept.datatype, name: concept.datatype}
    newState.fields.datatype = concept.datatype
    newState.fields.external_id = concept.external_id || ''
    newState.fields.names = isEmpty(concept.names) ? newState.fields.names : map(concept.names, name => pick(name, ['locale', 'name_type', 'locale_preferred', 'external_id', 'name']))
    newState.fields.descriptions = isEmpty(concept.descriptions) ? newState.fields.descriptions : map(concept.descriptions, desc => pick(desc, ['locale', 'description_type', 'locale_preferred', 'external_id', 'description']))
    newState.fields.extras = isEmpty(concept.extras) ? newState.fields.extras : map(concept.extras, (v, k) => ({key: k, value: v}))
    this.setState(newState);
  }

  getIdHelperText() {
    const id = this.state.fields.id || "[concept-id]"
    return (
      <span>
        <span>Alphanumeric characters, hyphens, periods, and underscores are allowed.</span>
        <br />
        <span>
          <span>Your new concept will live at: <br />
            {
              `${getCurrentURL()}/concepts/`
            }
          </span>
          <span><b>{id}</b>/</span>
        </span>
      </span>
    )
  }

  onTextFieldChange = event => {
    this.setFieldValue(event.target.id, event.target.value)
  }

  fetchConceptClasses() {
    APIService.sources('Classes').concepts()
              .get(null, null, {limit: 1000})
              .then(response => this.setState({
                conceptClasses: orderBy(map(response.data, cc => ({id: cc.id, name: cc.id})), 'name')
              }))
  }
  fetchDatatypes() {
    APIService.sources('Datatypes').concepts()
              .get(null, null, {limit: 1000})
              .then(response => this.setState({
                datatypes: orderBy(map(response.data, dt => ({id: dt.id, name: dt.id})), 'name')
              }))
  }

  fetchLocales() {
    APIService.sources('Locales').concepts()
              .get(null, null, {limit: 1000})
              .then(response => this.setState({
                locales: orderBy(map(reject(response.data, {locale: null}), l => ({id: l.locale, name: `${l.display_name} [${l.locale}]`})), 'name')
              }))
  }

  fetchNameTypes() {
    APIService.sources('NameTypes').concepts()
              .get(null, null, {limit: 1000})
              .then(response => this.setState({
                nameTypes: orderBy(map(response.data, nt => ({id: nt.display_name, name: nt.display_name})), 'name')
              }))
  }

  fetchDescriptionTypes() {
    APIService.sources('DescriptionTypes').concepts()
              .get(null, null, {limit: 1000})
              .then(response => this.setState({
                descriptionTypes: orderBy(map(response.data, nt => ({id: nt.display_name, name: nt.display_name})), 'name')
              }))
  }

  onAutoCompleteChange = (id, item) => {
    this.setFieldValue(id, get(item, 'id', ''), true)
  }

  onCheckboxChange = (id, value) => {
    this.setFieldValue(id, value)
  }

  onAddNameLocale = () => {
    this.setFieldValue('fields.names', [...this.state.fields.names, cloneDeep(NAME_MODEL)])
  }

  onAddDescLocale = () => {
    this.setFieldValue('fields.descriptions', [...this.state.fields.descriptions, cloneDeep(DESC_MODEL)])
  }

  onAddExtras = () => {
    this.setFieldValue('fields.extras', [...this.state.fields.extras, cloneDeep(EXTRAS_MODEL)])
  }

  setFieldValue(id, value, setObject=false) {
    const newState = {...this.state}
    set(newState, id, value)

    const fieldName = get(id.split('fields.'), '1')
    if(fieldName && !isEmpty(value) && get(newState.fieldErrors, fieldName))
      newState.fieldErrors[fieldName] = null
    if(setObject)
      newState[`selected_${fieldName}`] = {id: value, name: value}
    this.setState(newState)
  }

  onDeleteNameLocale = index => {
    const newState = {...this.state}
    pullAt(newState.fields.names, index)
    this.setState(newState)
  }

  onDeleteDescLocale = index => {
    const newState = {...this.state}
    pullAt(newState.fields.descriptions, index)
    this.setState(newState)
  }

  onDeleteExtras = index => {
    const newState = {...this.state}
    pullAt(newState.fields.extras, index)
    this.setState(newState)
  }

  onExtrasChange = (index, key, value) => {
    const newState = {...this.state}
    if(key !== '__')
      newState.fields.extras[index].key = key
    if(value !== '__')
      newState.fields.extras[index].value = value
    this.setState(newState)
  }

  onSubmit = event => {
    event.preventDefault();
    event.stopPropagation();

    const { parentURL, edit } = this.props
    const fields = cloneDeep(this.state.fields);
    const form = document.getElementsByTagName('form')[0];
    form.reportValidity()

    const isFormValid = form.checkValidity()
    if(parentURL && isFormValid) {
      if(edit)
        fields.update_comment = fields.comment
      fields.extras = arrayToObject(fields.extras)
      fields.names = this.cleanLocales(fields.names)
      fields.descriptions = this.cleanLocales(fields.descriptions)
      let service = APIService.new().overrideURL(parentURL)
      if(edit) {
        service.put(fields).then(response => this.handleSubmitResponse(response))
        return false;
      } else {
        service.appendToUrl('concepts/').post(fields).then(response => this.handleSubmitResponse(response))
      }
    }
  }

  handleSubmitResponse(response) {
    const { edit, reloadOnSuccess, onCancel } = this.props
    if(response.status === 201 || response.status === 200) { // success
      const verb = edit ? 'updated' : 'created'
      const successMsg = `Successfully ${verb} concept`;
      const message = reloadOnSuccess ? successMsg + '. Reloading..' : successMsg;
      onCancel();
      alertifyjs.success(message, 1, () => {
        if(reloadOnSuccess)
          window.location.reload()
      })
    } else { // error
      const genericError = get(response, '__all__')
      if(genericError) {
        alertifyjs.error(genericError.join('\n'))
      } else {
        this.setState(
          {fieldErrors: response || {}},
          () => alertifyjs.error('Please fill mandatory fields.')
        )
      }
    }
  }

  cleanLocales(locales) {
    return filter(locales, locale => {
      return locale.locale &&
             (get(locale, 'name_type') || get(locale, 'description_type')) &&
             (get(locale, 'name') || get(locale, 'description'))
    })
  }

  render() {
    const {
      fieldErrors, fields, conceptClasses, datatypes, locales, nameTypes,
      descriptionTypes, selected_concept_class, selected_datatype
    } = this.state;
    const isLoading = isEmpty(descriptionTypes) || isEmpty(datatypes) || isEmpty(locales) || isEmpty(conceptClasses) || isEmpty(nameTypes);
    const { onCancel, edit } = this.props;
    const header = edit ? `Edit Concept: ${fields.id}` : 'New Concept'
    return (
      <div className='col-md-12' style={{marginBottom: '30px'}}>
        <div className='col-md-12 no-side-padding'>
          <h2>{header}</h2>
        </div>
        {
          isLoading ?
          <div style={{width: '100%', textAlign: 'center', marginTop: '100px'}}>
            <CircularProgress />
          </div>:
          <div className='col-md-12 no-side-padding'>
            <form>
              {
                !edit &&
                <div style={{width: '100%'}}>
                  <TextField
                    error={Boolean(fieldErrors.id)}
                    id="fields.id"
                    label="Concept ID"
                    placeholder="e.g. A15.0"
                    helperText={this.getIdHelperText()}
                    variant="outlined"
                    fullWidth
                    required
                    onChange={this.onTextFieldChange}
                    value={fields.id}
                    disabled={edit}
                  />
                </div>
              }
              <div style={{marginTop: '15px', width: '100%'}}>
                <Autocomplete
                  getOptionSelected={(option, value) => option.id === get(value, 'id')}
                  value={selected_concept_class}
                  id="fields.concept_class"
                  options={conceptClasses}
                  getOptionLabel={(option) => option.name}
                  fullWidth
                  required
                  renderInput={
                    params => <TextField
                                {...params}
                                error={Boolean(fieldErrors.concept_class)}
                                      required
                                      label="Concept Class"
                                      variant="outlined"
                                      fullWidth
                    />
                  }
                  onChange={(event, item) => this.onAutoCompleteChange('fields.concept_class', item)}
                />
              </div>
              <div style={{marginTop: '15px', width: '100%'}}>
                <Autocomplete
                  getOptionSelected={(option, value) => option.id === get(value, 'id')}
                  id="fields.datatype"
                  value={selected_datatype}
                  options={datatypes}
                  getOptionLabel={(option) => option.name}
                  fullWidth
                  required
                  renderInput={(params) => <TextField {...params} error={Boolean(fieldErrors.datatype)} required label="Datatype" variant="outlined" fullWidth />}
                  onChange={(event, item) => this.onAutoCompleteChange('fields.datatype', item)}
                />
              </div>
              <div style={{marginTop: '15px', width: '100%'}}>
                <TextField
                  id="fields.external_id"
                  label="External ID"
                  placeholder="e.g. UUID from external system"
                  variant="outlined"
                  fullWidth
                  onChange={this.onTextFieldChange}
                  value={fields.external_id}
                />
              </div>
              {
                edit &&
                <div style={{marginTop: '15px', width: '100%'}}>
                  <TextField
                    id="fields.comment"
                    label="Update Comment"
                    variant="outlined"
                    fullWidth
                    onChange={this.onTextFieldChange}
                    value={fields.comment}
                    required
                  />
                </div>
              }
              <div className='col-md-12 no-side-padding' style={{marginTop: '15px', width: '100%'}}>
                <div className='col-md-8'>
                  <h3 style={fieldErrors.names && isEmpty(fields.names) ? {color: ERROR_RED} : {}}>Names & Synonyms</h3>
                </div>
                <div className='col-md-4' style={{textAlign: 'right'}}>
                  <IconButton color='primary' onClick={this.onAddNameLocale}>
                    <AddIcon />
                  </IconButton>
                </div>
                {
                  map(fields.names, (name, index) => (
                    <div className='col-md-12 no-side-padding' key={index} style={index > 0 ? {marginTop: '5px', width: '100%'} : {width: '100%'}}>
                      <LocaleForm
                        error={Boolean(index === 0 && fieldErrors.name)}
                        locale={name}
                        index={index}
                        localeAttr='fields.names'
                        onTextFieldChange={this.onTextFieldChange}
                        onAutoCompleteChange={this.onAutoCompleteChange}
                        onCheckboxChange={this.onCheckboxChange}
                        locales={locales}
                        types={nameTypes}
                        onDelete={this.onDeleteNameLocale}
                      />
                    </div>
                  ))
                }
              </div>
              <div className='col-md-12 no-side-padding' style={{marginTop: '15px', width: '100%'}}>
                <div className='col-md-8'>
                  <h3>Descriptions</h3>
                </div>
                <div className='col-md-4' style={{textAlign: 'right'}}>
                  <IconButton color='primary' onClick={this.onAddDescLocale}>
                    <AddIcon />
                  </IconButton>
                </div>
                {
                  map(fields.descriptions, (desc, index) => (
                    <div className='col-md-12 no-side-padding' key={index} style={index > 0 ? {marginTop: '5px', width: '100%'} : {width: '100%'}}>
                      <LocaleForm
                        locale={desc}
                        index={index}
                        localeAttr='fields.descriptions'
                        onTextFieldChange={this.onTextFieldChange}
                        onAutoCompleteChange={this.onAutoCompleteChange}
                        onCheckboxChange={this.onCheckboxChange}
                        locales={locales}
                        types={descriptionTypes}
                        onDelete={this.onDeleteDescLocale}
                      />
                    </div>
                  ))
                }
              </div>
              <div className='col-md-12 no-side-padding' style={{marginTop: '15px', width: '100%'}}>
                <div className='col-md-8'>
                  <h3>Custom Attributes</h3>
                </div>
                <div className='col-md-4' style={{textAlign: 'right'}}>
                  <IconButton color='primary' onClick={this.onAddExtras}>
                    <AddIcon />
                  </IconButton>
                </div>
                {
                  map(fields.extras, (extra, index) => (
                    <div className='col-md-12 no-side-padding' key={index} style={index > 0 ? {marginTop: '5px', width: '100%'} : {width: '100%'}}>
                      <ExtrasForm
                        extra={extra}
                        index={index}
                        onChange={this.onExtrasChange}
                        onDelete={this.onDeleteExtras}
                      />
                    </div>
                  ))
                }
              </div>
              <div className='col-md-12' style={{textAlign: 'center', margin: '20px 0'}}>
                <Button style={{margin: '0 10px'}} color='primary' variant='outlined' type='submit' onClick={this.onSubmit}>
                  {edit ? 'Update' : 'Create'}
                </Button>
                <Button style={{margin: '0 10px'}} variant='outlined' onClick={onCancel}>
                  Cancel
                </Button>
              </div>
            </form>
          </div>
        }
      </div>
    )
  }
}

export default ConceptForm;