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import { ChangeEvent, ReactElement, useState } from "react";
import {
Button,
Card,
CardActions,
CardContent,
CardHeader,
Checkbox,
Container,
FormControlLabel,
NativeSelect,
} from "@mui/material";
import { DataProvider, useTranslate } from "ra-core";
import { useDataProvider, useNotify, RaRecord, Title } from "react-admin";
import { generateRandomMxId, generateRandomPassword } from "../synapse/synapse";
const LOGGING = true;
const expectedFields = ["id", "displayname"].sort();
function TranslatableOption({ value, text }) {
const translate = useTranslate();
return <option value={value}>{translate(text)}</option>;
}
type Progress = {
done: number;
limit: number;
} | null;
interface ImportLine {
id: string;
displayname: string;
user_type?: string;
name?: string;
deactivated?: boolean;
guest?: boolean;
admin?: boolean;
is_admin?: boolean;
password?: string;
avatar_url?: string;
}
interface ChangeStats {
total: number;
id: number;
is_guest: number;
admin: number;
password: number;
}
interface ImportResult {
skippedRecords: RaRecord[];
erroredRecords: RaRecord[];
succeededRecords: RaRecord[];
totalRecordCount: number;
changeStats: ChangeStats;
wasDryRun: boolean;
}
type VerifyCsvHandlers = {
setError: (message: string | string[]) => void;
setStats: (stats: ChangeStats & Record<string, unknown>) => void;
setValues: (values: ImportLine[]) => void;
};
type DoImportHandlers = {
setError: (message: string) => void;
setProgress: (progress: Progress) => void;
translate: (key: string, options?: Record<string, unknown>) => string;
};
export const verifyImportCsv = (
{ data, meta, errors }: ParseResult<ImportLine>,
{ setValues, setStats, setError, translate }: VerifyCsvHandlers & Pick<DoImportHandlers, "translate">
) => {
/* First, verify the presence of required fields */
const missingFields = expectedFields.filter(eF => !meta.fields?.includes(eF));
if (missingFields.length > 0) {
setError(translate("import_users.error.required_field", { field: missingFields[0] }));
return false;
}
const stats = {
user_types: { default: 0 },
is_guest: 0,
admin: 0,
deactivated: 0,
password: 0,
avatar_url: 0,
id: 0,
total: data.length,
};
const errorMessages = errors.map(e => e.message);
data.forEach((line, idx) => {
if (line.user_type === undefined || line.user_type === "") {
stats.user_types.default++;
} else {
stats.user_types[line.user_type] += 1;
}
if (meta.fields?.includes("name")) {
delete line.name;
}
if (meta.fields?.includes("user_type")) {
delete line.user_type;
}
if (meta.fields?.includes("is_admin")) {
delete line.is_admin;
}
["is_guest", "admin", "deactivated"].forEach(f => {
if (line[f] === "true") {
stats[f]++;
line[f] = true;
} else {
if (line[f] !== "false" && line[f] !== "") {
errorMessages.push(
translate("import_users.error.invalid_value", {
field: f,
row: idx,
})
);
}
line[f] = false;
}
});
if (line.password !== undefined && line.password !== "") {
stats.password++;
}
if (line.avatar_url !== undefined && line.avatar_url !== "") {
stats.avatar_url++;
}
Eif (line.id !== undefined && line.id !== "") {
stats.id++;
}
});
if (errorMessages.length > 0) {
setError(errorMessages);
}
setStats(stats);
setValues(data);
return true;
};
export const doUserImport = async (
dataProvider: DataProvider,
data: ImportLine[],
conflictMode: string,
passwordMode: boolean,
useridMode: string,
dryRun: boolean,
{ setProgress, setError, translate }: DoImportHandlers
): Promise<ImportResult> => {
const skippedRecords: ImportLine[] = [];
const erroredRecords: ImportLine[] = [];
const succeededRecords: ImportLine[] = [];
const changeStats: ChangeStats = {
total: 0,
id: 0,
is_guest: 0,
admin: 0,
password: 0,
};
let entriesDone = 0;
const entriesCount = data.length;
try {
setProgress({ done: entriesDone, limit: entriesCount });
for (const entry of data) {
const userRecord = { ...entry };
if (useridMode === "ignore" || userRecord.id === undefined) {
userRecord.id = generateRandomMxId();
}
Eif (passwordMode === false || entry.password === undefined) {
userRecord.password = generateRandomPassword();
}
let retries = 0;
const submitRecord = (recordData: ImportLine): Promise<void> => {
return dataProvider.getOne("users", { id: recordData.id }).then(
async () => {
Eif (LOGGING) console.log("already existed");
if (useridMode === "update" || conflictMode === "skip") {
skippedRecords.push(recordData);
} else if (conflictMode === "stop") {
throw new Error(
translate("import_users.error.id_exists", {
id: recordData.id,
})
);
} else E{
const newRecordData = Object.assign({}, recordData, {
id: generateRandomMxId(),
});
retries++;
if (retries > 512) {
console.warn("retry loop got stuck? pathological situation?");
skippedRecords.push(recordData);
} else {
await submitRecord(newRecordData);
}
}
},
async () => {
Eif (LOGGING) console.log("OK to create record " + recordData.id + " (" + recordData.displayname + ").");
Iif (!dryRun) {
await dataProvider.create("users", { data: recordData });
}
succeededRecords.push(recordData);
}
);
};
await submitRecord(userRecord);
entriesDone++;
setProgress({ done: entriesDone, limit: data.length });
}
setProgress(null);
} catch (e) {
setError(
translate("import_users.error.at_entry", {
entry: entriesDone + 1,
message: e instanceof Error ? e.message : String(e),
})
);
setProgress(null);
}
return {
skippedRecords,
erroredRecords,
succeededRecords,
totalRecordCount: entriesCount,
changeStats,
wasDryRun: dryRun,
};
};
const FilePicker = () => {
const [values, setValues] = useState<ImportLine[]>([]);
const [error, setError] = useState<string | string[] | null>(null);
const [stats, setStats] = useState<ChangeStats | null>(null);
const [dryRun, setDryRun] = useState(true);
const [progress, setProgress] = useState<Progress>(null);
const [importResults, setImportResults] = useState<ImportResult | null>(null);
const [skippedRecords, setSkippedRecords] = useState<string>("");
const [conflictMode, setConflictMode] = useState("stop");
const [passwordMode, setPasswordMode] = useState(true);
const [useridMode, setUseridMode] = useState("ignore");
const translate = useTranslate();
const notify = useNotify();
const dataProvider = useDataProvider();
const onFileChange = async (e: ChangeEvent<HTMLInputElement>) => {
Iif (progress !== null) return;
setValues([]);
setError(null);
setStats(null);
setImportResults(null);
const file = e.target.files ? e.target.files[0] : null;
Iif (!file) return;
/* Let's refuse some unreasonably big files instead of freezing
* up the browser */
if (file.size > 100000000) {
const message = translate("import_users.errors.unreasonably_big", {
size: (file.size / (1024 * 1024)).toFixed(2),
});
notify(message);
setError(message);
return;
}
try {
parseCsv<ImportLine>(file, {
header: true,
skipEmptyLines: true /* especially for a final EOL in the csv file */,
complete: result => {
Eif (result.errors) {
setError(result.errors.map(e => e.toString()));
}
/* Papaparse is very lenient, we may be able to salvage
* the data in the file. */
verifyImportCsv(result, { setValues, setStats, setError, translate });
},
});
} catch {
setError("Unknown error");
return null;
}
};
const runImport = async () => {
Iif (progress !== null) {
notify("import_users.errors.already_in_progress");
return;
}
const results = await doUserImport(
dataProvider,
values,
conflictMode,
passwordMode,
useridMode,
dryRun,
{ setProgress, setError, translate }
);
setImportResults(results);
// offer CSV download of skipped or errored records
// (so that the user doesn't have to filter out successful
// records manually when fixing stuff in the CSV)
setSkippedRecords(unparseCsv(results.skippedRecords));
Eif (LOGGING) console.log("Skipped records:");
Eif (LOGGING) console.log(skippedRecords);
};
// XXX every single one of the requests will restart the activity indicator
// which doesn't look very good.
const downloadSkippedRecords = () => {
const element = document.createElement("a");
console.log(skippedRecords);
const file = new Blob([skippedRecords], {
type: "text/comma-separated-values",
});
element.href = URL.createObjectURL(file);
element.download = "skippedRecords.csv";
document.body.appendChild(element); // Required for this to work in FireFox
element.click();
};
const onConflictModeChanged = async (e: ChangeEvent<HTMLSelectElement>) => {
Iif (progress !== null) {
return;
}
const value = e.target.value;
setConflictMode(value);
};
const onPasswordModeChange = (e: ChangeEvent<HTMLInputElement>) => {
if (progress !== null) {
return;
}
setPasswordMode(e.target.checked);
};
const onUseridModeChanged = async (e: ChangeEvent<HTMLSelectElement>) => {
Iif (progress !== null) {
return;
}
const value = e.target.value;
setUseridMode(value);
};
const onDryRunModeChanged = (e: ChangeEvent<HTMLInputElement>) => {
Iif (progress !== null) {
return;
}
setDryRun(e.target.checked);
};
// render individual small components
const statsCards = stats &&
!importResults && [
<Container>
<CardHeader title={translate("import_users.cards.importstats.header")} />
<CardContent>
<div>{translate("import_users.cards.importstats.users_total", stats.total)}</div>
<div>{translate("import_users.cards.importstats.guest_count", stats.is_guest)}</div>
<div>{translate("import_users.cards.importstats.admin_count", stats.admin)}</div>
</CardContent>
</Container>,
<Container>
<CardHeader title={translate("import_users.cards.ids.header")} />
<CardContent>
<div>
{stats.id === stats.total
? translate("import_users.cards.ids.all_ids_present")
: translate("import_users.cards.ids.count_ids_present", stats.id)}
</div>
{stats.id > 0 ? (
<div>
<NativeSelect onChange={onUseridModeChanged} value={useridMode} disabled={progress !== null}>
<TranslatableOption value="ignore" text="import_users.cards.ids.mode.ignore" />
<TranslatableOption value="update" text="import_users.cards.ids.mode.update" />
</NativeSelect>
</div>
) : (
""
)}
</CardContent>
</Container>,
<Container>
<CardHeader title={translate("import_users.cards.passwords.header")} />
<CardContent>
<div>
{stats.password === stats.total
? translate("import_users.cards.passwords.all_passwords_present")
: translate("import_users.cards.passwords.count_passwords_present", stats.password)}
</div>
{stats.password > 0 ? (
<div>
<FormControlLabel
control={
<Checkbox checked={passwordMode} disabled={progress !== null} onChange={onPasswordModeChange} />
}
label={translate("import_users.cards.passwords.use_passwords")}
/>
</div>
) : (
""
)}
</CardContent>
</Container>,
];
const conflictCards = stats && !importResults && (
<Container>
<CardHeader title={translate("import_users.cards.conflicts.header")} />
<CardContent>
<div>
<NativeSelect onChange={onConflictModeChanged} value={conflictMode} disabled={progress !== null}>
<TranslatableOption value="stop" text="import_users.cards.conflicts.mode.stop" />
<TranslatableOption value="skip" text="import_users.cards.conflicts.mode.skip" />
</NativeSelect>
</div>
</CardContent>
</Container>
);
const errorCards = error && (
<Container>
<CardHeader title={translate("import_users.error.error")} />
<CardContent>
{(Array.isArray(error) ? error : [error]).map(e => (
<div>{e}</div>
))}
</CardContent>
</Container>
);
const uploadCard = !importResults && (
<Container>
<CardHeader title={translate("import_users.cards.upload.header")} />
<CardContent>
{translate("import_users.cards.upload.explanation")}
<a href="./data/example.csv">example.csv</a>
<br />
<br />
<input type="file" onChange={onFileChange} disabled={progress !== null} />
</CardContent>
</Container>
);
const resultsCard = importResults && (
<CardContent>
<CardHeader title={translate("import_users.cards.results.header")} />
<div>
{translate("import_users.cards.results.total", importResults.totalRecordCount)}
<br />
{translate("import_users.cards.results.successful", importResults.succeededRecords.length)}
<br />
{importResults.skippedRecords.length
? [
translate("import_users.cards.results.skipped", importResults.skippedRecords.length),
<div>
<button onClick={downloadSkippedRecords}>
{translate("import_users.cards.results.download_skipped")}
</button>
</div>,
<br />,
]
: ""}
{importResults.erroredRecords.length
? [translate("import_users.cards.results.skipped", importResults.erroredRecords.length), <br />]
: ""}
<br />
{importResults.wasDryRun && [translate("import_users.cards.results.simulated_only"), <br />]}
</div>
</CardContent>
);
const startImportCard =
!values || values.length === 0 || importResults ? undefined : (
<CardActions>
<FormControlLabel
control={<Checkbox checked={dryRun} onChange={onDryRunModeChanged} disabled={progress !== null} />}
label={translate("import_users.cards.startImport.simulate_only")}
/>
<Button size="large" onClick={runImport} disabled={progress !== null}>
{translate("import_users.cards.startImport.run_import")}
</Button>
{progress !== null ? (
<div>
{progress.done} of {progress.limit} done
</div>
) : null}
</CardActions>
);
const allCards: ReactElement[] = [];
if (uploadCard) allCards.push(uploadCard);
if (errorCards) allCards.push(errorCards);
if (conflictCards) allCards.push(conflictCards);
if (statsCards) allCards.push(...statsCards);
if (startImportCard) allCards.push(startImportCard);
if (resultsCard) allCards.push(resultsCard);
const cardContainer = <Card>{allCards}</Card>;
return [<Title defaultTitle={translate("import_users.title")} />, cardContainer];
};
export const ImportFeature = FilePicker;
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