344 lines
12 KiB
JavaScript
344 lines
12 KiB
JavaScript
/**
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* Code-first API docs: scan `@openapi` JSDoc in routes → OpenAPI JSON + Markdown under docs/api/.
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*
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* Usage: npm run docs:api
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*/
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import fs from 'fs';
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import path from 'path';
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import { fileURLToPath } from 'url';
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import swaggerJsdoc from 'swagger-jsdoc';
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const __dirname = path.dirname(fileURLToPath(import.meta.url));
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const root = path.resolve(__dirname, '..');
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const docsDir = path.join(root, 'docs', 'api');
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const routesDocsDir = path.join(docsDir, 'routes');
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const PUBLIC_PATHS = new Set(['/auth/login', '/auth/logout', '/health']);
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const options = {
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definition: {
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openapi: '3.0.3',
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info: {
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title: 'Dash API',
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version: '1.0.0',
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description:
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'Backend API for Dash — Google SSO auth, MSSQL, session cookies.\n\n' +
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'Browser clients must send cookies (`credentials: \'include\'`). ' +
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'Sessions use an HTTP-only `token` cookie (`Secure`, `SameSite=Strict`, 24h); HTTPS is required for login.',
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},
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servers: [{ url: 'http://localhost:4208/api', description: 'Local default (PORT / .env)' }],
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tags: [
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{ name: 'Auth', description: 'Google SSO and session' },
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{ name: 'Health', description: 'Connectivity checks' },
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{ name: 'Article', description: 'Articles under categories' },
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{ name: 'Category', description: 'Category tree and membership' },
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{ name: 'Company', description: 'Company CRUD' },
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{ name: 'Image', description: 'Content-addressed AVIF by fullHash' },
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],
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},
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apis: [
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path.join(root, 'src/api/openapi.js'),
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path.join(root, 'src/api/routes/**/*.js'),
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],
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};
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const spec = swaggerJsdoc(options);
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function ensureDir(dir) {
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fs.mkdirSync(dir, { recursive: true });
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}
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function rmDirContents(dir) {
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if (!fs.existsSync(dir)) return;
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for (const name of fs.readdirSync(dir)) {
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fs.rmSync(path.join(dir, name), { recursive: true, force: true });
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}
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}
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function schemaRefName(schema) {
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if (!schema) return null;
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if (schema.$ref) return schema.$ref.split('/').pop();
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return null;
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}
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function formatSchema(schema, components, indent = 0) {
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if (!schema) return '_none_';
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if (schema.$ref) {
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const name = schemaRefName(schema);
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const resolved = components?.schemas?.[name];
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if (resolved) {
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return formatSchema({ ...resolved, title: name }, components, indent);
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}
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return `\`${name}\``;
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}
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if (schema.example !== undefined) {
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return '```json\n' + JSON.stringify(schema.example, null, 2) + '\n```';
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}
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if (schema.type === 'object' && schema.properties) {
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const lines = ['```json', '{'];
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const keys = Object.keys(schema.properties);
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keys.forEach((key, i) => {
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const prop = schema.properties[key];
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const comma = i < keys.length - 1 ? ',' : '';
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let value = '…';
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if (prop.type === 'string') value = prop.format === 'email' ? '"user@example.com"' : '"…"';
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else if (prop.type === 'integer' || prop.type === 'number') value = prop.nullable ? 'null' : '1';
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else if (prop.type === 'boolean') value = 'true';
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else if (prop.type === 'array') value = '[]';
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else if (prop.type === 'object' || prop.$ref) value = '{ … }';
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if (prop.example !== undefined) value = JSON.stringify(prop.example);
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lines.push(` "${key}": ${value}${comma}`);
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});
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lines.push('}', '```');
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return lines.join('\n');
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}
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if (schema.type === 'array') {
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return '```json\n[]\n```';
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}
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return '```json\n' + JSON.stringify(schema, null, 2) + '\n```';
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}
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function contentSchema(content) {
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if (!content) return null;
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const json = content['application/json'];
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return json?.schema ?? null;
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}
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function renderRequestBody(requestBody) {
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if (!requestBody?.content) return null;
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const lines = [];
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const types = Object.keys(requestBody.content);
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const jsonSchema = contentSchema(requestBody.content);
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if (jsonSchema) {
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lines.push('## Body (JSON)');
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lines.push('');
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lines.push(formatSchema(jsonSchema, spec.components));
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lines.push('');
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return lines;
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}
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lines.push('## Body');
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lines.push('');
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for (const type of types) {
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const schema = requestBody.content[type]?.schema;
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if (schema?.format === 'binary') {
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lines.push(`Raw binary (\`${type}\`).`);
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} else {
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lines.push(`\`${type}\``);
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if (schema) {
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lines.push('');
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lines.push(formatSchema(schema, spec.components));
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}
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}
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lines.push('');
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}
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return lines;
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}
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function docsFileFor(apiPath, method) {
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const custom = spec.paths[apiPath]?.[method]?.['x-markdown'];
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if (custom) return custom;
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const cleaned = apiPath
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.replace(/^\//, '')
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.replace(/\{([^}]+)\}/g, ':$1');
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const segments = cleaned.split('/').filter(Boolean);
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if (segments.length === 0) return `${method}.md`;
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const fileBase = segments.pop();
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const dir = segments.join('/');
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const methodsOnPath = Object.keys(spec.paths[apiPath]).filter((m) => !m.startsWith('x-'));
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const name =
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methodsOnPath.length > 1 ? `${fileBase}.${method}.md` : `${fileBase}.md`;
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return dir ? path.join(dir, name) : name;
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}
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function renderOperation(apiPath, method, operation) {
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const isPublic = PUBLIC_PATHS.has(apiPath) || operation.security?.length === 0;
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const lines = [];
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lines.push(`# \`${method.toUpperCase()} ${apiPath}\``);
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lines.push('');
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if (isPublic) {
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lines.push('Public. No cookie required.');
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} else {
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lines.push('Protected. Requires a valid session cookie (`credentials: \'include\'`).');
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}
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lines.push('');
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if (operation.summary) {
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lines.push(operation.summary);
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lines.push('');
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}
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if (operation.description && operation.description !== operation.summary) {
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lines.push(operation.description);
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lines.push('');
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}
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const params = operation.parameters || [];
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const pathParams = params.filter((p) => p.in === 'path');
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const queryParams = params.filter((p) => p.in === 'query');
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if (pathParams.length) {
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lines.push('## Path parameters');
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lines.push('');
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lines.push('| Param | Required | Type | Description |');
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lines.push('|-------|----------|------|-------------|');
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for (const p of pathParams) {
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lines.push(
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`| \`${p.name}\` | ${p.required ? 'yes' : 'no'} | ${p.schema?.type || ''} | ${p.description || ''} |`,
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);
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}
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lines.push('');
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}
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if (queryParams.length) {
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lines.push('## Query parameters');
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lines.push('');
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lines.push('| Param | Required | Type | Description |');
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lines.push('|-------|----------|------|-------------|');
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for (const p of queryParams) {
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lines.push(
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`| \`${p.name}\` | ${p.required ? 'yes' : 'no'} | ${p.schema?.type || ''} | ${p.description || ''} |`,
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);
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}
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lines.push('');
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}
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if (operation.requestBody) {
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const bodyLines = renderRequestBody(operation.requestBody);
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if (bodyLines) lines.push(...bodyLines);
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}
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const responses = operation.responses || {};
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const successCodes = Object.keys(responses)
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.filter((c) => c.startsWith('2'))
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.sort();
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const errorCodes = Object.keys(responses)
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.filter((c) => !c.startsWith('2'))
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.sort();
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for (const code of successCodes) {
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const resp = responses[code];
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lines.push(`## Response \`${code}\``);
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lines.push('');
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if (resp.description) {
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lines.push(resp.description);
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lines.push('');
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}
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const schema = contentSchema(resp.content);
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if (schema) {
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lines.push(formatSchema(schema, spec.components));
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lines.push('');
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} else if (code === '204') {
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lines.push('_No content_');
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lines.push('');
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}
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}
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if (errorCodes.length) {
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lines.push('## Errors');
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lines.push('');
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lines.push('| Status | Description |');
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lines.push('|--------|-------------|');
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for (const code of errorCodes) {
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const resp = responses[code];
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const schema = contentSchema(resp.content);
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let detail = resp.description || '';
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if (schema?.example) {
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detail += (detail ? ' — ' : '') + `\`${JSON.stringify(schema.example)}\``;
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} else if (schemaRefName(schema) === 'Error') {
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detail += (detail ? ' — ' : '') + '`' + '{"error":"…"}' + '`';
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}
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lines.push(`| ${code} | ${detail} |`);
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}
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lines.push('');
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}
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lines.push('---');
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lines.push('');
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lines.push('_Generated from `@openapi` JSDoc. Do not edit by hand — run `npm run docs:api`._');
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lines.push('');
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return lines.join('\n');
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}
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function renderReadme(operations) {
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const lines = [];
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lines.push('# Dash API');
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lines.push('');
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lines.push('```');
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lines.push('http://localhost:4208/api');
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lines.push('```');
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lines.push('');
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lines.push('## CORS & cookies');
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lines.push('');
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lines.push('All browser requests that need auth must send cookies:');
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lines.push('');
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lines.push('```js');
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lines.push("fetch('http://localhost:4208/api/auth/me', {");
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lines.push(" credentials: 'include',");
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lines.push('});');
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lines.push('```');
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lines.push('');
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lines.push(
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'Sessions use an HTTP-only `token` cookie (`Secure`, `SameSite=Strict`, 24h). The browser must talk to the API over **HTTPS** for login to work — `Secure` cookies are not sent on plain HTTP.',
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);
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lines.push('');
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lines.push('## Auth flow');
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lines.push('');
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lines.push('1. Call [`GET /auth/me`](routes/auth/me.md) to get `googleClientId` (included in 200 and 401 responses).');
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lines.push('2. Sign in with Google on the frontend (Google Identity Services / One Tap).');
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lines.push('3. POST the Google ID token to [`POST /auth/login`](routes/auth/login.md).');
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lines.push('4. The API sets the session cookie.');
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lines.push("5. Call protected routes with `credentials: 'include'`. The cookie is refreshed automatically when it has less than 2 hours left.");
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lines.push('');
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lines.push('## Routes');
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lines.push('');
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lines.push('Generated from `@openapi` annotations in [`src/api/routes/`](../../src/api/routes/). Source of truth is the code; regenerate with `npm run docs:api`.');
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lines.push('');
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lines.push('| File | Endpoint |');
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lines.push('|------|----------|');
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for (const op of operations) {
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lines.push(`| [\`routes/${op.file}\`](routes/${op.file}) | \`${op.method.toUpperCase()} ${op.path}\` |`);
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}
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lines.push('');
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lines.push('Machine-readable spec: [`openapi.json`](openapi.json).');
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lines.push('');
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lines.push('## DESIGN');
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lines.push('');
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lines.push('- for every route we have a file in /src/api/routes');
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lines.push('- that should loosly bound to services in /src/services');
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lines.push('- for every service we have a CLI tester in /scripts/');
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lines.push('- all DB SQL code shall be in /src/db');
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lines.push('- with mssql staements in /src/db/mssql/');
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lines.push('- API docs: `@openapi` JSDoc on handlers → `npm run docs:api` → `docs/api/`');
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lines.push('');
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return lines.join('\n');
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}
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// --- generate ---
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ensureDir(docsDir);
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rmDirContents(routesDocsDir);
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ensureDir(routesDocsDir);
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fs.writeFileSync(path.join(docsDir, 'openapi.json'), JSON.stringify(spec, null, 2) + '\n');
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const operations = [];
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const paths = Object.keys(spec.paths || {}).sort();
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for (const apiPath of paths) {
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const item = spec.paths[apiPath];
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for (const method of Object.keys(item).sort()) {
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if (method.startsWith('x-')) continue;
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const operation = item[method];
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const relFile = docsFileFor(apiPath, method);
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const absFile = path.join(routesDocsDir, relFile);
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ensureDir(path.dirname(absFile));
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fs.writeFileSync(absFile, renderOperation(apiPath, method, operation));
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operations.push({ path: apiPath, method, file: relFile.replace(/\\/g, '/') });
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}
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}
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fs.writeFileSync(path.join(docsDir, 'README.md'), renderReadme(operations));
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console.log(`Wrote ${operations.length} route docs + openapi.json → docs/api/`);
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