gristlabs_grist-core/app/client/apiconsole.ts

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import {loadCssFile, loadScript} from 'app/client/lib/loadScript';
import type {AppModel} from 'app/client/models/AppModel';
import {urlState} from 'app/client/models/gristUrlState';
import {reportError} from 'app/client/models/errors';
import {createAppPage} from 'app/client/ui/createAppPage';
import {DocAPIImpl} from 'app/common/UserAPI';
import type {RecordWithStringId} from 'app/plugin/DocApiTypes';
import {dom, styled} from 'grainjs';
import type SwaggerUI from 'swagger-ui';
/**
* This loads the swagger resources as if included as separate <script> and <link> tags in <head>.
*
* Swagger suggests building via webpack (in which case, it would be included into our JS bundle),
* but I couldn't get past webpack errors (also it's unclear if that would be any better).
* We load dynamically only to avoid maintaining a separate html file ust for these tags.
*/
function loadExternal() {
return Promise.all([
loadScript('swagger-ui-bundle.js'),
loadCssFile('swagger-ui.css'),
// Stylesheet that's only applied when prefers-color-scheme is dark.
loadCssFile('swagger-ui-dark.css'),
]);
}
// Start loading scripts early (before waiting for AppModel to get initialized).
const externalScriptsPromise = loadExternal();
let swaggerUI: SwaggerUI|null = null;
// Define a few types to allow for type-checking.
type ParamValue = string|number|null;
interface Example {
value: ParamValue;
summary: string;
}
interface JsonSpec {
[propName: string]: any;
}
interface SpecActions {
changeParamByIdentity(...args: unknown[]): unknown;
updateJsonSpec(spec: JsonSpec): unknown;
}
function applySpecActions(cb: (specActions: SpecActions, jsonSpec: JsonSpec) => void) {
// Don't call actions directly within `wrapActions`, react/redux doesn't like it.
setTimeout(() => {
// eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
const system = (swaggerUI as any).getSystem();
const jsonSpec = system.getState().getIn(["spec", "json"]);
cb(system.specActions, jsonSpec);
}, 0);
}
function updateSpec(cb: (spec: JsonSpec) => JsonSpec) {
applySpecActions((specActions: SpecActions, jsonSpec: JsonSpec) => {
// `jsonSpec` is a special immutable object with methods like `getIn/setIn`.
// `updateJsonSpec` expects a plain JS object, so we need to convert it.
specActions.updateJsonSpec(cb(jsonSpec).toJSON());
});
}
const searchParams = new URL(location.href).searchParams;
function setExamples(examplesArr: Example[], paramName: string) {
examplesArr.sort((a, b) => String(a.summary || a.value).localeCompare(String(b.summary || b.value)));
const paramValue = searchParams.get(paramName);
let haveCurrentValue = false;
if (paramValue) {
// If this value appears among examples, move it to the front and label it as "Current".
const index = examplesArr.findIndex(v => (String(v.value) == String(paramValue)));
if (index >= 0) {
const ex = examplesArr.splice(index, 1)[0];
ex.summary += " (Current)";
examplesArr.unshift(ex);
haveCurrentValue = true;
}
}
if (!haveCurrentValue) {
// When opening an endpoint, parameters with examples are immediately set to the first example.
// For documents and tables, this would immediately call our custom code,
// fetching lists of tables/columns. This is especially bad for documents,
// as the document may have to be loaded from scratch in the doc worker.
// So the dropdown has to start with an empty value in those cases.
// You'd think this would run into the check for `!value` in `changeParamByIdentity`,
// but apparently swagger has its own special handing for empty values before then.
examplesArr.unshift({value: "", summary: "Select..."});
}
// Swagger expects `examples` to be an object, not an array.
// Prefix keys with something to ensure they aren't viewed as numbers: JS objects will iterate
// them in insertion (what we want) order *unless* keys look numeric. SwaggerUI will use the
// value from ex.value, so luckily this prefix doesn't actually matter.
const examples = Object.fromEntries(examplesArr.map((ex) => ["#" + ex.value, ex]));
updateSpec(spec => {
return spec.setIn(["components", "parameters", `${paramName}PathParam`, "examples"], examples);
});
}
// Set the value of a parameter in all endpoints.
function setParamValue(resolvedParam: any, value: ParamValue) {
applySpecActions((specActions: SpecActions, spec: JsonSpec) => {
// This will be something like:
// "https://url-to-grist.yml#/components/parameters/orgIdPathParam"
// Note that we're assuming that the endpoint always uses `$ref` to define the parameter,
// rather than defining it inline.
// https://github.com/gristlabs/grist-help/pull/293 ensures this,
// but future changes to the spec must remember to do the same.
const ref = resolvedParam.get("$$ref");
// For every endpoint in the spec...
for (const [pathKey, path] of spec.get("paths").entries()) {
for (const [method, operation] of path.entries()) {
const parameters = operation.get("parameters");
if (!parameters) { continue; }
for (const param of parameters.values()) {
// If this is the same parameter...
if (ref.endsWith(param.get("$ref"))) {
// Set the value. The final `true` is `noWrap` to prevent infinite recursion.
specActions.changeParamByIdentity([pathKey, method], resolvedParam, value, false, true);
}
}
}
}
});
}
class ExtendedDocAPIImpl extends DocAPIImpl {
public listTables(): Promise<{tables: RecordWithStringId[]}> {
return this.requestJson(`${this.getBaseUrl()}/tables`);
}
public listColumns(tableId: string, includeHidden = false): Promise<{columns: RecordWithStringId[]}> {
return this.requestJson(`${this.getBaseUrl()}/tables/${tableId}/columns?hidden=${includeHidden ? 1 : 0}`);
}
}
function wrapChangeParamByIdentity(appModel: AppModel, system: any, oriAction: any, ...args: any[]) {
// eslint-disable-next-line @typescript-eslint/no-unused-vars
const [keyPath, param, value, _isXml, noWrap] = args;
if (noWrap || !value) {
// `noWrap` is our own flag to avoid infinite recursion.
// It's set when calling this action inside `setParamValue` below.
// `value` is falsy when choosing our default "Select..." option from a dropdown.
return oriAction(...args);
}
const paramName = param.get("name");
// These are the path parameters that we handle specially and provide examples for.
// When a value is selected in one endpoint, set the same value in all other endpoints.
// This makes a bit more convenient to do multiple different operations on the same object.
// But maybe it'll cause confusion/mistakes when operating on different objects?
if (["orgId", "workspaceId", "docId", "tableId", "colId"].includes(paramName)) {
setParamValue(param, value);
}
// When a docId is selected, fetch the list of that doc's tables and set examples for tableId.
// This is a significant convenience, but it causes some UI jankiness.
// Updating the spec with these examples takes some CPU and the UI freezes for a moment.
// Then things jump around a bit as stuff is re-rendered, although it ends up in the right place
// so it shouldn't be too disruptive.
// All this happens after a short delay while the tables are being fetched.
// It *might* be possible to set these example values more efficiently/lazily but I'm not sure,
// and it'll probably significantly more difficult.
const baseUrl = appModel.api.getBaseUrl();
if (paramName === "docId") {
const docAPI = new ExtendedDocAPIImpl(baseUrl, value);
docAPI.listTables().then(({tables}: {tables: RecordWithStringId[]}) => {
const examples: Example[] = tables.map(table => ({value: table.id, summary: table.id}));
setExamples(examples, "tableId");
})
.catch(reportError);
}
// When a tableId is selected, fetch the list of columns and set examples for colId.
// This causes similar UI jankiness as above, but I think less severely since fewer endpoints
// have a colId parameter. In fact, there's currently only one: `DELETE /columns`.
// We *could* only do this when setting tableId within that endpoint,
// but then the dropdown will be missing if you set the tableId elsewhere and then open this endpoint.
// Alternatively, `GET /tables` could be modified to return column metadata for each table.
if (paramName === "tableId") {
// When getting tables after setting docId, `value` is the docId so we have all the info.
// Here `value` is the tableId and we need to get the docId separately.
const parameters = system.getState().getIn(["spec", "meta", "paths", ...keyPath, "parameters"]);
const docId = parameters.find((_value: any, key: any) => key.startsWith("path.docId"))?.get("value");
if (docId) {
const docAPI = new ExtendedDocAPIImpl(baseUrl, docId);
// Second argument of `true` includes hidden columns like gristHelper_Display and manualSort.
docAPI.listColumns(value, true)
.then(({columns}: {columns: RecordWithStringId[]}) => {
const examples = columns.map(col => ({value: col.id, summary: col.fields.label as string}));
setExamples(examples, "colId");
})
.catch(reportError);
}
}
return oriAction(...args);
}
function gristPlugin(appModel: AppModel, system: any) {
return {
statePlugins: {
spec: {
wrapActions: {
// Customize what happens when a parameter is changed, e.g. selected from a dropdown.
changeParamByIdentity: (oriAction: any) => (...args: any[]) =>
wrapChangeParamByIdentity(appModel, system, oriAction, ...args),
}
}
}
};
}
function initialize(appModel: AppModel) {
// These are used to set the examples for orgs, workspaces, and docs.
const orgsPromise = appModel.api.getOrgs();
// We make a request for each org - hopefully there aren't too many.
// Currently I only see rate limiting in DocApi, which shouldn't be a problem here.
// Fortunately we don't need a request for each workspace,
// since listing workspaces in an org also lists the docs in each workspace.
const workspacesPromise = orgsPromise.then(orgs => Promise.all(orgs.map(org =>
appModel.api.getOrgWorkspaces(org.id, false).then(workspaces => ({org, workspaces}))
)));
// To be called after the spec is downloaded and parsed.
function onComplete() {
// Add an instruction for where to get API key.
const description = document.querySelector('.information-container .info');
if (description) {
const href = urlState().makeUrl({account: 'account'});
dom.update(description, dom('div', 'Find or create your API key at ', dom('a', {href}, href), '.'));
}
updateSpec(spec => {
// The actual spec sets the server to `https://{subdomain}.getgrist.com/api`,
// where {subdomain} is a variable that defaults to `docs`.
// We want to use the same server as the page is loaded from.
// This simplifies the UI and makes it work e.g. on localhost.
spec = spec.set("servers", [{url: window.origin + "/api"}]);
// Some table-specific parameters have examples with fake data in grist.yml. We don't want
// to actually use this for running requests, so clear those out.
for (const paramName of [
'filterQueryParam', 'sortQueryParam', 'sortHeaderParam',
'limitQueryParam', 'limitHeaderParam'
]) {
spec = spec.removeIn(["components", "parameters", paramName, "example"]);
}
return spec;
});
// Show that we need a key, but let's not display it. The user may or may not have the API key
// set. Actual requests from the console use cookies, so can work anyway. When the key is set,
// showing it in cleartext makes it riskier to ask for help with screenshots and the like.
// We set a fake key anyway to be clear that it's needed in the curl command.
const key = 'XXXXXXXXXXX';
// eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
swaggerUI!.preauthorizeApiKey('ApiKey', key);
// Set examples for orgs, workspaces, and docs.
orgsPromise.then(orgs => {
const examples: Example[] = orgs.map(org => ({
value: org.domain,
summary: org.name,
}));
setExamples(examples, "orgId");
}).catch(reportError);
workspacesPromise.then(orgs => {
const workSpaceExamples: Example[] = orgs.flatMap(({org, workspaces}) => workspaces.map(ws => ({
value: ws.id,
summary: `${org.name} » ${ws.name}`
})));
setExamples(workSpaceExamples, "workspaceId");
const docExamples = orgs.flatMap(({org, workspaces}) => workspaces.flatMap(ws => ws.docs.map(doc => ({
value: doc.id,
summary: `${org.name} » ${ws.name} » ${doc.name}`
}))));
setExamples(docExamples, "docId");
}).catch(reportError);
}
return onComplete;
}
function requestInterceptor(request: SwaggerUI.Request) {
delete request.headers.Authorization;
return request;
}
createAppPage((appModel) => {
// Default Grist page prevents scrolling unnecessarily.
document.documentElement.style.overflow = 'initial';
const rootNode = cssWrapper();
const onComplete = initialize(appModel);
externalScriptsPromise.then(() => {
const buildSwaggerUI: typeof SwaggerUI = (window as any).SwaggerUIBundle;
swaggerUI = buildSwaggerUI({
filter: true,
plugins: [gristPlugin.bind(null, appModel)],
url: 'https://raw.githubusercontent.com/gristlabs/grist-help/master/api/grist.yml',
domNode: rootNode,
showMutatedRequest: false,
requestInterceptor,
onComplete,
});
})
.catch(reportError);
return rootNode;
});
const cssWrapper = styled('div', `
& .scheme-container {
display: none;
}
& .information-container h1 { /* Authorization header, strangely enough */
display: none;
}
& .information-container .info {
margin-bottom: 0;
}
`);