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| 1 | +/* |
| 2 | + * Copyright Red Hat, Inc. |
| 3 | + * |
| 4 | + * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | + * you may not use this file except in compliance with the License. |
| 6 | + * You may obtain a copy of the License at |
| 7 | + * |
| 8 | + * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | + * |
| 10 | + * Unless required by applicable law or agreed to in writing, software |
| 11 | + * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | + * See the License for the specific language governing permissions and |
| 14 | + * limitations under the License. |
| 15 | + */ |
| 16 | + |
| 17 | +const express = require('express'); |
| 18 | + |
| 19 | +const app = express(); |
| 20 | +app.disable('x-powered-by'); |
| 21 | + |
| 22 | +const port = 12345; |
| 23 | +app.use(express.json()); |
| 24 | + |
| 25 | +const logRequest = req => { |
| 26 | + // eslint-disable-next-line no-console |
| 27 | + console.log('request: ', { |
| 28 | + originalUrl: req.originalUrl, |
| 29 | + method: req.method, |
| 30 | + query: req.query, |
| 31 | + headers: req.headers, |
| 32 | + body: req.body, |
| 33 | + }); |
| 34 | +}; |
| 35 | + |
| 36 | +app.get('/', (_, res) => { |
| 37 | + res.send( |
| 38 | + 'Hello World from HTTP test server providing endpoints for the "Dynamic course select" workflow', |
| 39 | + ); |
| 40 | +}); |
| 41 | + |
| 42 | +app.post('/courses', (req, res) => { |
| 43 | + logRequest(req); |
| 44 | + |
| 45 | + const requesterName = req.body?.requesterName; |
| 46 | + const studentName = req.query?.studentname; |
| 47 | + |
| 48 | + const optionsForAutocomplete = [ |
| 49 | + 'one course', |
| 50 | + 'another course', |
| 51 | + 'complexCourse', |
| 52 | + `a course just for ${requesterName}`, |
| 53 | + ]; |
| 54 | + if (studentName && studentName !== '___undefined___') { |
| 55 | + optionsForAutocomplete.push(`I want to be a course for ${studentName}`); |
| 56 | + } |
| 57 | + |
| 58 | + const result = { |
| 59 | + // Use whatever structure here, just make sure the selectors in the data input schema picks correct values and types |
| 60 | + mycourses: { mydefault: optionsForAutocomplete[0] }, |
| 61 | + listofcourses: { all: optionsForAutocomplete }, |
| 62 | + }; |
| 63 | + |
| 64 | + // HTTP 200 |
| 65 | + res.send(JSON.stringify(result)); |
| 66 | +}); |
| 67 | + |
| 68 | +app.get('/coursedetailsschema', (req, res) => { |
| 69 | + logRequest(req); |
| 70 | + |
| 71 | + const courseName = req.query?.coursename; |
| 72 | + if (!courseName || courseName === '___undefined___') { |
| 73 | + // Not enough data yet |
| 74 | + res.send( |
| 75 | + JSON.stringify({ |
| 76 | + /* replace nothing */ |
| 77 | + }), |
| 78 | + ); |
| 79 | + } |
| 80 | + |
| 81 | + const fields = { |
| 82 | + room: { |
| 83 | + type: 'string', |
| 84 | + title: |
| 85 | + 'Room (backed by ActiveTextInput, fetches default value, validates externally the data but does not have autocomplete)', |
| 86 | + 'ui:widget': 'ActiveTextInput', |
| 87 | + 'ui:props': { |
| 88 | + 'fetch:url': |
| 89 | + 'http://localhost:7007/api/proxy/mytesthttpserver/rooms?coursename=$${{current.courseName}}', |
| 90 | + 'fetch:response:value': 'room.mydefault', |
| 91 | + 'fetch:retrigger': ['current.courseName'], |
| 92 | + 'fetch:method': 'GET', |
| 93 | + 'validate:url': |
| 94 | + 'http://localhost:7007/api/proxy/mytesthttpserver/validateroom', |
| 95 | + 'validate:method': 'POST', |
| 96 | + 'validate:body': { |
| 97 | + field: 'courseDetails.room', |
| 98 | + value: '$${{current.courseDetails.room}}', |
| 99 | + courseName: '$${{current.courseName}}', |
| 100 | + }, |
| 101 | + }, |
| 102 | + }, |
| 103 | + }; |
| 104 | + |
| 105 | + if (courseName === 'complexCourse') { |
| 106 | + fields.requestCertificate = { |
| 107 | + type: 'boolean', |
| 108 | + title: 'Receive a certificate', |
| 109 | + 'ui:widget': 'radio', |
| 110 | + }; |
| 111 | + } |
| 112 | + |
| 113 | + const courseDetailsSchema = { |
| 114 | + // The 'courseDetails' name matches the placeholder in the data input schema |
| 115 | + courseDetails: { |
| 116 | + type: 'object', |
| 117 | + title: `Course details for "${courseName}"`, |
| 118 | + properties: fields, |
| 119 | + }, |
| 120 | + }; |
| 121 | + |
| 122 | + // HTTP 200 |
| 123 | + res.send(JSON.stringify(courseDetailsSchema)); |
| 124 | +}); |
| 125 | + |
| 126 | +app.get('/rooms', (req, res) => { |
| 127 | + logRequest(req); |
| 128 | + |
| 129 | + // const courseName = req.query?.coursename; |
| 130 | + |
| 131 | + const result = { |
| 132 | + room: { mydefault: 'Dynamically fetched default room name' }, |
| 133 | + }; |
| 134 | + |
| 135 | + // HTTP 200 |
| 136 | + res.send(JSON.stringify(result)); |
| 137 | +}); |
| 138 | + |
| 139 | +app.post('/validateroom', (req, res) => { |
| 140 | + logRequest(req); |
| 141 | + |
| 142 | + const field = req.body?.field; |
| 143 | + const value = req.body?.value; |
| 144 | + const courseName = req.body?.courseName; |
| 145 | + |
| 146 | + if (field === 'courseDetails.room') { |
| 147 | + if (!value || value.length < 5) { |
| 148 | + // any 4xx or 5xx is fine here |
| 149 | + res.status(422); |
| 150 | + res.send({ |
| 151 | + [field]: [ |
| 152 | + 'The field must be 5 or more characters long.', |
| 153 | + `This is something specific for ${courseName} courseName.`, |
| 154 | + ], |
| 155 | + }); |
| 156 | + |
| 157 | + return; |
| 158 | + } |
| 159 | + } |
| 160 | + |
| 161 | + // The HTTP 200 is important here. The response content "Valid" is not required, just a courtesy. |
| 162 | + res.status(200); |
| 163 | + res.send('Valid'); |
| 164 | +}); |
| 165 | + |
| 166 | +app.get('/coursedetailsschema', (req, res) => { |
| 167 | + logRequest(req); |
| 168 | + |
| 169 | + const courseName = req.query?.coursename; |
| 170 | + |
| 171 | + let mydefault = 'My default room'; |
| 172 | + if (courseName && courseName !== '___undefined___') { |
| 173 | + mydefault += ` for "${courseName}" course`; |
| 174 | + } |
| 175 | + |
| 176 | + const response = { |
| 177 | + // The structure matches the "fetch:response:value" selector from "/coursedetailsschema" endpoint |
| 178 | + room: { |
| 179 | + mydefault, |
| 180 | + }, |
| 181 | + }; |
| 182 | + |
| 183 | + // HTTP 200 |
| 184 | + res.send(JSON.stringify(response)); |
| 185 | +}); |
| 186 | + |
| 187 | +app.listen(port, () => { |
| 188 | + // eslint-disable-next-line no-console |
| 189 | + console.info( |
| 190 | + `Simple HTTP server for orchestrator-form-widgets development only. Provides endpoints for the "Dynamic course select" example workflow. Listening on ${port} port.`, |
| 191 | + ); |
| 192 | +}); |
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