mirror of
https://github.com/gristlabs/grist-core.git
synced 2024-10-27 20:44:07 +00:00
23456ca43d
grist-saas and grist-core builds have slight differences in the depth of type information inferred.
326 lines
14 KiB
TypeScript
326 lines
14 KiB
TypeScript
import {loadCssFile, loadScript} from 'app/client/lib/loadScript';
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import type {AppModel} from 'app/client/models/AppModel';
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import {urlState} from 'app/client/models/gristUrlState';
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import {reportError} from 'app/client/models/errors';
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import {setUpPage} from 'app/client/ui/setUpPage';
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import {DocAPIImpl} from 'app/common/UserAPI';
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import type {RecordWithStringId} from 'app/plugin/DocApiTypes';
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import {dom, styled} from 'grainjs';
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import type SwaggerUI from 'swagger-ui';
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/**
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* This loads the swagger resources as if included as separate <script> and <link> tags in <head>.
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*
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* Swagger suggests building via webpack (in which case, it would be included into our JS bundle),
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* but I couldn't get past webpack errors (also it's unclear if that would be any better).
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* We load dynamically only to avoid maintaining a separate html file ust for these tags.
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*/
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function loadExternal() {
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return Promise.all([loadScript('swagger-ui-bundle.js'), loadCssFile('swagger-ui.css')]);
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}
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// Start loading scripts early (before waiting for AppModel to get initialized).
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const externalScriptsPromise = loadExternal();
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let swaggerUI: SwaggerUI|null = null;
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// Define a few types to allow for type-checking.
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type ParamValue = string|number|null;
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interface Example {
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value: ParamValue;
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summary: string;
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}
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interface JsonSpec {
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[propName: string]: any;
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}
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interface SpecActions {
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changeParamByIdentity(...args: unknown[]): unknown;
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updateJsonSpec(spec: JsonSpec): unknown;
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}
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function applySpecActions(cb: (specActions: SpecActions, jsonSpec: JsonSpec) => void) {
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// Don't call actions directly within `wrapActions`, react/redux doesn't like it.
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setTimeout(() => {
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// eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
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const system = (swaggerUI as any).getSystem();
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const jsonSpec = system.getState().getIn(["spec", "json"]);
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cb(system.specActions, jsonSpec);
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}, 0);
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}
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function updateSpec(cb: (spec: JsonSpec) => JsonSpec) {
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applySpecActions((specActions: SpecActions, jsonSpec: JsonSpec) => {
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// `jsonSpec` is a special immutable object with methods like `getIn/setIn`.
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// `updateJsonSpec` expects a plain JS object, so we need to convert it.
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specActions.updateJsonSpec(cb(jsonSpec).toJSON());
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});
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}
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const searchParams = new URL(location.href).searchParams;
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function setExamples(examplesArr: Example[], paramName: string) {
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examplesArr.sort((a, b) => String(a.summary || a.value).localeCompare(String(b.summary || b.value)));
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const paramValue = searchParams.get(paramName);
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if (paramValue) {
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// If this value appears among examples, move it to the front and label it as "Current".
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const index = examplesArr.findIndex(v => (String(v.value) == String(paramValue)));
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if (index >= 0) {
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const ex = examplesArr.splice(index, 1)[0];
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ex.summary += " (Current)";
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examplesArr.unshift(ex);
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}
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} else {
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// When opening an endpoint, parameters with examples are immediately set to the first example.
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// For documents and tables, this would immediately call our custom code,
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// fetching lists of tables/columns. This is especially bad for documents,
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// as the document may have to be loaded from scratch in the doc worker.
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// So the dropdown has to start with an empty value in those cases.
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// You'd think this would run into the check for `!value` in `changeParamByIdentity`,
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// but apparently swagger has its own special handing for empty values before then.
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examplesArr.unshift({value: "", summary: "Select..."});
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}
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// Swagger expects `examples` to be an object, not an array.
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// Prefix keys with something to ensure they aren't viewed as numbers: JS objects will iterate
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// them in insertion (what we want) order *unless* keys look numeric. SwaggerUI will use the
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// value from ex.value, so luckily this prefix doesn't actually matter.
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const examples = Object.fromEntries(examplesArr.map((ex) => ["#" + ex.value, ex]));
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updateSpec(spec => {
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return spec.setIn(["components", "parameters", `${paramName}PathParam`, "examples"], examples);
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});
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}
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// Set the value of a parameter in all endpoints.
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function setParamValue(resolvedParam: any, value: ParamValue) {
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applySpecActions((specActions: SpecActions, spec: JsonSpec) => {
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// This will be something like:
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// "https://url-to-grist.yml#/components/parameters/orgIdPathParam"
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// Note that we're assuming that the endpoint always uses `$ref` to define the parameter,
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// rather than defining it inline.
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// https://github.com/gristlabs/grist-help/pull/293 ensures this,
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// but future changes to the spec must remember to do the same.
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const ref = resolvedParam.get("$$ref");
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// For every endpoint in the spec...
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for (const [pathKey, path] of spec.get("paths").entries()) {
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for (const [method, operation] of path.entries()) {
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const parameters = operation.get("parameters");
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if (!parameters) { continue; }
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for (const param of parameters.values()) {
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// If this is the same parameter...
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if (ref.endsWith(param.get("$ref"))) {
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// Set the value. The final `true` is `noWrap` to prevent infinite recursion.
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specActions.changeParamByIdentity([pathKey, method], resolvedParam, value, false, true);
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}
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}
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}
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}
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});
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}
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class ExtendedDocAPIImpl extends DocAPIImpl {
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public listTables(): Promise<{tables: RecordWithStringId[]}> {
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return this.requestJson(`${this.getBaseUrl()}/tables`);
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}
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public listColumns(tableId: string, includeHidden = false): Promise<{columns: RecordWithStringId[]}> {
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return this.requestJson(`${this.getBaseUrl()}/tables/${tableId}/columns?hidden=${includeHidden ? 1 : 0}`);
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}
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}
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function wrapChangeParamByIdentity(appModel: AppModel, system: any, oriAction: any, ...args: any[]) {
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// eslint-disable-next-line @typescript-eslint/no-unused-vars
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const [keyPath, param, value, _isXml, noWrap] = args;
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if (noWrap || !value) {
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// `noWrap` is our own flag to avoid infinite recursion.
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// It's set when calling this action inside `setParamValue` below.
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// `value` is falsy when choosing our default "Select..." option from a dropdown.
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return oriAction(...args);
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}
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const paramName = param.get("name");
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// These are the path parameters that we handle specially and provide examples for.
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// When a value is selected in one endpoint, set the same value in all other endpoints.
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// This makes a bit more convenient to do multiple different operations on the same object.
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// But maybe it'll cause confusion/mistakes when operating on different objects?
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if (["orgId", "workspaceId", "docId", "tableId", "colId"].includes(paramName)) {
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setParamValue(param, value);
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}
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// When a docId is selected, fetch the list of that doc's tables and set examples for tableId.
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// This is a significant convenience, but it causes some UI jankiness.
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// Updating the spec with these examples takes some CPU and the UI freezes for a moment.
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// Then things jump around a bit as stuff is re-rendered, although it ends up in the right place
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// so it shouldn't be too disruptive.
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// All this happens after a short delay while the tables are being fetched.
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// It *might* be possible to set these example values more efficiently/lazily but I'm not sure,
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// and it'll probably significantly more difficult.
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const baseUrl = appModel.api.getBaseUrl();
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if (paramName === "docId") {
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const docAPI = new ExtendedDocAPIImpl(baseUrl, value);
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docAPI.listTables().then(({tables}: {tables: RecordWithStringId[]}) => {
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const examples: Example[] = tables.map(table => ({value: table.id, summary: table.id}));
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setExamples(examples, "tableId");
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})
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.catch(reportError);
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}
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// When a tableId is selected, fetch the list of columns and set examples for colId.
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// This causes similar UI jankiness as above, but I think less severely since fewer endpoints
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// have a colId parameter. In fact, there's currently only one: `DELETE /columns`.
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// We *could* only do this when setting tableId within that endpoint,
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// but then the dropdown will be missing if you set the tableId elsewhere and then open this endpoint.
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// Alternatively, `GET /tables` could be modified to return column metadata for each table.
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if (paramName === "tableId") {
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// When getting tables after setting docId, `value` is the docId so we have all the info.
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// Here `value` is the tableId and we need to get the docId separately.
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const parameters = system.getState().getIn(["spec", "meta", "paths", ...keyPath, "parameters"]);
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const docId = parameters.find((_value: any, key: any) => key.startsWith("path.docId"))?.get("value");
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if (docId) {
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const docAPI = new ExtendedDocAPIImpl(baseUrl, docId);
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// Second argument of `true` includes hidden columns like gristHelper_Display and manualSort.
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docAPI.listColumns(value, true)
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.then(({columns}: {columns: RecordWithStringId[]}) => {
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const examples = columns.map(col => ({value: col.id, summary: col.fields.label as string}));
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setExamples(examples, "colId");
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})
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.catch(reportError);
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}
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}
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return oriAction(...args);
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}
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function gristPlugin(appModel: AppModel, system: any) {
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return {
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statePlugins: {
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spec: {
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wrapActions: {
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// Customize what happens when a parameter is changed, e.g. selected from a dropdown.
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changeParamByIdentity: (oriAction: any) => (...args: any[]) =>
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wrapChangeParamByIdentity(appModel, system, oriAction, ...args),
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}
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}
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}
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};
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}
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function initialize(appModel: AppModel) {
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// These are used to set the examples for orgs, workspaces, and docs.
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const orgsPromise = appModel.api.getOrgs();
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// We make a request for each org - hopefully there aren't too many.
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// Currently I only see rate limiting in DocApi, which shouldn't be a problem here.
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// Fortunately we don't need a request for each workspace,
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// since listing workspaces in an org also lists the docs in each workspace.
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const workspacesPromise = orgsPromise.then(orgs => Promise.all(orgs.map(org =>
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appModel.api.getOrgWorkspaces(org.id, false).then(workspaces => ({org, workspaces}))
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)));
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// To be called after the spec is downloaded and parsed.
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function onComplete() {
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// Add an instruction for where to get API key.
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const description = document.querySelector('.information-container .info');
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if (description) {
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const href = urlState().makeUrl({account: 'account'});
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dom.update(description, dom('div', 'Find or create your API key at ', dom('a', {href}, href), '.'));
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}
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updateSpec(spec => {
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// The actual spec sets the server to `https://{subdomain}.getgrist.com/api`,
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// where {subdomain} is a variable that defaults to `docs`.
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// We want to use the same server as the page is loaded from.
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// This simplifies the UI and makes it work e.g. on localhost.
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spec = spec.set("servers", [{url: window.origin + "/api"}]);
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// Some table-specific parameters have examples with fake data in grist.yml. We don't want
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// to actually use this for running requests, so clear those out.
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for (const paramName of [
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'filterQueryParam', 'sortQueryParam', 'sortHeaderParam',
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'limitQueryParam', 'limitHeaderParam'
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]) {
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spec = spec.removeIn(["components", "parameters", paramName, "example"]);
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}
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return spec;
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});
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// Show that we need a key, but let's not display it. The user may or may not have the API key
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// set. Actual requests from the console use cookies, so can work anyway. When the key is set,
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// showing it in cleartext makes it riskier to ask for help with screenshots and the like.
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// We set a fake key anyway to be clear that it's needed in the curl command.
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const key = 'XXXXXXXXXXX';
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// eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
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swaggerUI!.preauthorizeApiKey('ApiKey', key);
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// Set examples for orgs, workspaces, and docs.
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orgsPromise.then(orgs => {
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const examples: Example[] = orgs.map(org => ({
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value: org.domain,
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summary: org.name,
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}));
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setExamples(examples, "orgId");
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}).catch(reportError);
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workspacesPromise.then(orgs => {
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const workSpaceExamples: Example[] = orgs.flatMap(({org, workspaces}) => workspaces.map(ws => ({
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value: ws.id,
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summary: `${org.name} » ${ws.name}`
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})));
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setExamples(workSpaceExamples, "workspaceId");
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const docExamples = orgs.flatMap(({org, workspaces}) => workspaces.flatMap(ws => ws.docs.map(doc => ({
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value: doc.id,
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summary: `${org.name} » ${ws.name} » ${doc.name}`
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}))));
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setExamples(docExamples, "docId");
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}).catch(reportError);
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}
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return onComplete;
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}
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function requestInterceptor(request: SwaggerUI.Request) {
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delete request.headers.Authorization;
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return request;
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}
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setUpPage((appModel) => {
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// Default Grist page prevents scrolling unnecessarily.
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document.documentElement.style.overflow = 'initial';
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const rootNode = cssWrapper();
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const onComplete = initialize(appModel);
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externalScriptsPromise.then(() => {
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const buildSwaggerUI: typeof SwaggerUI = (window as any).SwaggerUIBundle;
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swaggerUI = buildSwaggerUI({
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filter: true,
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plugins: [gristPlugin.bind(null, appModel)],
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url: 'https://raw.githubusercontent.com/gristlabs/grist-help/master/api/grist.yml',
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domNode: rootNode,
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showMutatedRequest: false,
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requestInterceptor,
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onComplete,
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});
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})
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.catch(reportError);
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return rootNode;
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});
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const cssWrapper = styled('div', `
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& .scheme-container {
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display: none;
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}
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& .information-container h1 { /* Authorization header, strangely enough */
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display: none;
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}
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& .information-container .info {
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margin-bottom: 0;
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}
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`);
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