1 files changed, 177 insertions, 0 deletions
diff --git a/src/settings/ComputedAttributePage.jsx b/src/settings/ComputedAttributePage.jsx
new file mode 100644
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--- /dev/null
+++ b/src/settings/ComputedAttributePage.jsx
@@ -0,0 +1,177 @@
+import React, { useState } from 'react';
+import {
+  Accordion,
+  AccordionSummary,
+  AccordionDetails,
+  Typography,
+  FormControl,
+  InputLabel,
+  MenuItem,
+  Select,
+  TextField,
+  createFilterOptions,
+  Autocomplete,
+  Button,
+  Snackbar,
+} from '@mui/material';
+import ExpandMoreIcon from '@mui/icons-material/ExpandMore';
+import EditItemView from './components/EditItemView';
+import { useTranslation } from '../common/components/LocalizationProvider';
+import usePositionAttributes from '../common/attributes/usePositionAttributes';
+import SettingsMenu from './components/SettingsMenu';
+import SelectField from '../common/components/SelectField';
+import { useCatch } from '../reactHelper';
+import { snackBarDurationLongMs } from '../common/util/duration';
+import useSettingsStyles from './common/useSettingsStyles';
+
+const allowedProperties = ['valid', 'latitude', 'longitude', 'altitude', 'speed', 'course', 'address', 'accuracy'];
+
+const ComputedAttributePage = () => {
+  const classes = useSettingsStyles();
+  const t = useTranslation();
+
+  const positionAttributes = usePositionAttributes(t);
+
+  const [item, setItem] = useState();
+  const [deviceId, setDeviceId] = useState();
+  const [result, setResult] = useState();
+
+  const options = Object.entries(positionAttributes).filter(([key, value]) => !value.property || allowedProperties.includes(key)).map(([key, value]) => ({
+    key,
+    name: value.name,
+    type: value.type,
+  }));
+
+  const filter = createFilterOptions({
+    stringify: (option) => option.name,
+  });
+
+  const testAttribute = useCatch(async () => {
+    const query = new URLSearchParams({ deviceId });
+    const url = `/api/attributes/computed/test?${query.toString()}`;
+    const response = await fetch(url, {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify(item),
+    });
+    if (response.ok) {
+      setResult(await response.text());
+    } else {
+      throw Error(await response.text());
+    }
+  });
+
+  const validate = () => item && item.description && item.expression;
+
+  return (
+    <EditItemView
+      endpoint="attributes/computed"
+      item={item}
+      setItem={setItem}
+      validate={validate}
+      menu={<SettingsMenu />}
+      breadcrumbs={['settingsTitle', 'sharedComputedAttribute']}
+    >
+      {item && (
+        <>
+          <Accordion defaultExpanded>
+            <AccordionSummary expandIcon={<ExpandMoreIcon />}>
+              <Typography variant="subtitle1">
+                {t('sharedRequired')}
+              </Typography>
+            </AccordionSummary>
+            <AccordionDetails className={classes.details}>
+              <TextField
+                value={item.description || ''}
+                onChange={(e) => setItem({ ...item, description: e.target.value })}
+                label={t('sharedDescription')}
+              />
+              <Autocomplete
+                value={options.find((option) => option.key === item.attribute) || item.attribute}
+                onChange={(_, option) => {
+                  const attribute = option ? option.key || option : null;
+                  if (option && option.type) {
+                    setItem({ ...item, attribute, type: option.type });
+                  } else {
+                    setItem({ ...item, attribute });
+                  }
+                }}
+                filterOptions={(options, params) => {
+                  const filtered = filter(options, params);
+                  if (params.inputValue) {
+                    filtered.push({
+                      key: params.inputValue,
+                      name: params.inputValue,
+                    });
+                  }
+                  return filtered;
+                }}
+                options={options}
+                getOptionLabel={(option) => option.name || option}
+                renderOption={(props, option) => (
+                  <li {...props}>
+                    {option.name}
+                  </li>
+                )}
+                renderInput={(params) => (
+                  <TextField {...params} label={t('sharedAttribute')} />
+                )}
+                freeSolo
+              />
+              <TextField
+                value={item.expression || ''}
+                onChange={(e) => setItem({ ...item, expression: e.target.value })}
+                label={t('sharedExpression')}
+                multiline
+                rows={4}
+              />
+              <FormControl disabled={item.attribute in positionAttributes}>
+                <InputLabel>{t('sharedType')}</InputLabel>
+                <Select
+                  label={t('sharedType')}
+                  value={item.type || ''}
+                  onChange={(e) => setItem({ ...item, type: e.target.value })}
+                >
+                  <MenuItem value="string">{t('sharedTypeString')}</MenuItem>
+                  <MenuItem value="number">{t('sharedTypeNumber')}</MenuItem>
+                  <MenuItem value="boolean">{t('sharedTypeBoolean')}</MenuItem>
+                </Select>
+              </FormControl>
+            </AccordionDetails>
+          </Accordion>
+          <Accordion>
+            <AccordionSummary expandIcon={<ExpandMoreIcon />}>
+              <Typography variant="subtitle1">
+                {t('sharedTest')}
+              </Typography>
+            </AccordionSummary>
+            <AccordionDetails className={classes.details}>
+              <SelectField
+                value={deviceId}
+                onChange={(e) => setDeviceId(Number(e.target.value))}
+                endpoint="/api/devices"
+                label={t('sharedDevice')}
+              />
+              <Button
+                variant="outlined"
+                color="primary"
+                onClick={testAttribute}
+                disabled={!deviceId}
+              >
+                {t('sharedTestExpression')}
+              </Button>
+              <Snackbar
+                open={!!result}
+                onClose={() => setResult(null)}
+                autoHideDuration={snackBarDurationLongMs}
+                message={result}
+              />
+            </AccordionDetails>
+          </Accordion>
+        </>
+      )}
+    </EditItemView>
+  );
+};
+
+export default ComputedAttributePage;