CommentForm.tsx

  1import React, { useState, useRef } from 'react';
  2
  3import Button from '@material-ui/core/Button';
  4import Paper from '@material-ui/core/Paper';
  5import { makeStyles, Theme } from '@material-ui/core/styles';
  6
  7import CommentInput from '../../components/CommentInput/CommentInput';
  8import CloseBugButton from 'src/components/CloseBugButton/CloseBugButton';
  9import ReopenBugButton from 'src/components/ReopenBugButton/ReopenBugButton';
 10
 11import { BugFragment } from './Bug.generated';
 12import { useAddCommentMutation } from './CommentForm.generated';
 13import { TimelineDocument } from './TimelineQuery.generated';
 14
 15type StyleProps = { loading: boolean };
 16const useStyles = makeStyles<Theme, StyleProps>((theme) => ({
 17  container: {
 18    padding: theme.spacing(0, 2, 2, 2),
 19  },
 20  textarea: {},
 21  tabContent: {
 22    margin: theme.spacing(2, 0),
 23  },
 24  preview: {
 25    borderBottom: `solid 3px ${theme.palette.grey['200']}`,
 26    minHeight: '5rem',
 27  },
 28  actions: {
 29    display: 'flex',
 30    justifyContent: 'flex-end',
 31  },
 32  greenButton: {
 33    marginLeft: '8px',
 34    backgroundColor: theme.palette.success.main,
 35    color: theme.palette.success.contrastText,
 36    '&:hover': {
 37      backgroundColor: theme.palette.success.dark,
 38      color: theme.palette.primary.contrastText,
 39    },
 40  },
 41}));
 42
 43type Props = {
 44  bug: BugFragment;
 45};
 46
 47function CommentForm({ bug }: Props) {
 48  const [addComment, { loading }] = useAddCommentMutation();
 49  const [issueComment, setIssueComment] = useState('');
 50  const [inputProp, setInputProp] = useState<any>('');
 51  const classes = useStyles({ loading });
 52  const form = useRef<HTMLFormElement>(null);
 53
 54  const submit = () => {
 55    addComment({
 56      variables: {
 57        input: {
 58          prefix: bug.id,
 59          message: issueComment,
 60        },
 61      },
 62      refetchQueries: [
 63        // TODO: update the cache instead of refetching
 64        {
 65          query: TimelineDocument,
 66          variables: {
 67            id: bug.id,
 68            first: 100,
 69          },
 70        },
 71      ],
 72      awaitRefetchQueries: true,
 73    }).then(() => resetForm());
 74  };
 75
 76  function resetForm() {
 77    setInputProp({
 78      value: '',
 79    });
 80  }
 81
 82  const handleSubmit = (e: React.FormEvent<HTMLFormElement>) => {
 83    e.preventDefault();
 84    if (issueComment.length > 0) submit();
 85  };
 86
 87  function getCloseButton() {
 88    return <CloseBugButton bug={bug} disabled={issueComment.length > 0} />;
 89  }
 90
 91  function getReopenButton() {
 92    return <ReopenBugButton bug={bug} disabled={issueComment.length > 0} />;
 93  }
 94
 95  return (
 96    <Paper className={classes.container}>
 97      <form onSubmit={handleSubmit} ref={form}>
 98        <CommentInput
 99          inputProps={inputProp}
100          loading={loading}
101          onChange={(comment: string) => setIssueComment(comment)}
102        />
103        <div className={classes.actions}>
104          {bug.status === 'OPEN' ? getCloseButton() : getReopenButton()}
105          <Button
106            className={classes.greenButton}
107            variant="contained"
108            color="primary"
109            type="submit"
110            disabled={loading || issueComment.length === 0}
111          >
112            Comment
113          </Button>
114        </div>
115      </form>
116    </Paper>
117  );
118}
119
120export default CommentForm;