| 1 | package edu.ucsb.cs156.courses.services; | |
| 2 | ||
| 3 | import com.fasterxml.jackson.databind.JsonNode; | |
| 4 | import com.fasterxml.jackson.databind.ObjectMapper; | |
| 5 | import com.fasterxml.jackson.databind.node.ArrayNode; | |
| 6 | import edu.ucsb.cs156.courses.documents.ConvertedSection; | |
| 7 | import edu.ucsb.cs156.courses.documents.CoursePage; | |
| 8 | import java.util.Arrays; | |
| 9 | import java.util.HashMap; | |
| 10 | import java.util.List; | |
| 11 | import java.util.Map; | |
| 12 | import java.util.Set; | |
| 13 | import java.util.TreeSet; | |
| 14 | import lombok.extern.slf4j.Slf4j; | |
| 15 | import org.springframework.beans.factory.annotation.Autowired; | |
| 16 | import org.springframework.beans.factory.annotation.Value; | |
| 17 | import org.springframework.boot.web.client.RestTemplateBuilder; | |
| 18 | import org.springframework.http.HttpEntity; | |
| 19 | import org.springframework.http.HttpHeaders; | |
| 20 | import org.springframework.http.HttpMethod; | |
| 21 | import org.springframework.http.HttpStatus; | |
| 22 | import org.springframework.http.MediaType; | |
| 23 | import org.springframework.http.ResponseEntity; | |
| 24 | import org.springframework.stereotype.Service; | |
| 25 | import org.springframework.web.client.RestTemplate; | |
| 26 | ||
| 27 | /** Service object that wraps the UCSB Academic Curriculum API */ | |
| 28 | @Service | |
| 29 | @Slf4j | |
| 30 | public class UCSBCurriculumService { | |
| 31 | ||
| 32 | @Autowired private ObjectMapper objectMapper; | |
| 33 | ||
| 34 | @Value("${app.ucsb.api.consumer_key}") | |
| 35 | private String apiKey; | |
| 36 | ||
| 37 | private RestTemplate restTemplate = new RestTemplate(); | |
| 38 | ||
| 39 | public UCSBCurriculumService(RestTemplateBuilder restTemplateBuilder) throws Exception { | |
| 40 | restTemplate = restTemplateBuilder.build(); | |
| 41 | } | |
| 42 | ||
| 43 | public static final String CURRICULUM_ENDPOINT = | |
| 44 | "https://api.ucsb.edu/academics/curriculums/v1/classes/search"; | |
| 45 | ||
| 46 | public static final String SUBJECTS_ENDPOINT = | |
| 47 | "https://api.ucsb.edu/students/lookups/v1/subjects"; | |
| 48 | ||
| 49 | public static final String SECTION_ENDPOINT = | |
| 50 | "https://api.ucsb.edu/academics/curriculums/v1/classsection/{quarter}/{enrollcode}"; | |
| 51 | ||
| 52 | public static final String ALL_SECTIONS_ENDPOINT = | |
| 53 | "https://api.ucsb.edu/academics/curriculums/v3/classes/{quarter}/{enrollcode}"; | |
| 54 | ||
| 55 | public static final String FINALS_ENDPOINT = | |
| 56 | "https://api.ucsb.edu/academics/curriculums/v3/finals"; | |
| 57 | ||
| 58 | private static final String[] GE_CODES = { | |
| 59 | "A1", "A2", "AMH", "B", "C", "D", "E", "E1", "E2", "ETH", "EUR", "F", "G", "H", "NWC", "QNT", | |
| 60 | "SUB", "WRT" | |
| 61 | }; | |
| 62 | ||
| 63 | public static final String GE_ENDPOINT = "https://api.ucsb.edu/students/lookups/v1/requirements"; | |
| 64 | ||
| 65 | public String getJSON(String subjectArea, String quarter, String courseLevel) throws Exception { | |
| 66 | ||
| 67 | HttpHeaders headers = new HttpHeaders(); | |
| 68 |
1
1. getJSON : removed call to org/springframework/http/HttpHeaders::setAccept → KILLED |
headers.setAccept(Arrays.asList(MediaType.APPLICATION_JSON)); |
| 69 |
1
1. getJSON : removed call to org/springframework/http/HttpHeaders::setContentType → KILLED |
headers.setContentType(MediaType.APPLICATION_JSON); |
| 70 |
1
1. getJSON : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-version", "1.0"); |
| 71 |
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1. getJSON : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-key", this.apiKey); |
| 72 | ||
| 73 | HttpEntity<String> entity = new HttpEntity<>("body", headers); | |
| 74 | ||
| 75 | String params = | |
| 76 | String.format( | |
| 77 | "?quarter=%s&subjectCode=%s&objLevelCode=%s&pageNumber=%d&pageSize=%d&includeClassSections=%s", | |
| 78 | quarter, subjectArea, courseLevel, 1, 100, "true"); | |
| 79 | String url = CURRICULUM_ENDPOINT + params; | |
| 80 | ||
| 81 |
1
1. getJSON : negated conditional → KILLED |
if (courseLevel.equals("A")) { |
| 82 | params = | |
| 83 | String.format( | |
| 84 | "?quarter=%s&subjectCode=%s&pageNumber=%d&pageSize=%d&includeClassSections=%s", | |
| 85 | quarter, subjectArea, 1, 100, "true"); | |
| 86 | url = CURRICULUM_ENDPOINT + params; | |
| 87 | } | |
| 88 | ||
| 89 | log.info("url=" + url); | |
| 90 | ||
| 91 | String retVal = ""; | |
| 92 | MediaType contentType = null; | |
| 93 | HttpStatus statusCode = null; | |
| 94 | ||
| 95 | ResponseEntity<String> re = restTemplate.exchange(url, HttpMethod.GET, entity, String.class); | |
| 96 | contentType = re.getHeaders().getContentType(); | |
| 97 | statusCode = (HttpStatus) re.getStatusCode(); | |
| 98 | retVal = re.getBody(); | |
| 99 | ||
| 100 | log.trace("json: {}", retVal); | |
| 101 | log.info("contentType: {} statusCode: {}", contentType, statusCode); | |
| 102 |
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1. getJSON : replaced return value with "" for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getJSON → KILLED |
return retVal; |
| 103 | } | |
| 104 | ||
| 105 | public List<ConvertedSection> getConvertedSections( | |
| 106 | String subjectArea, String quarter, String courseLevel) throws Exception { | |
| 107 | String json = getJSON(subjectArea, quarter, courseLevel); | |
| 108 | CoursePage coursePage = objectMapper.readValue(json, CoursePage.class); | |
| 109 | List<ConvertedSection> result = coursePage.convertedSections(); | |
| 110 |
1
1. getConvertedSections : replaced return value with Collections.emptyList for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getConvertedSections → KILLED |
return result; |
| 111 | } | |
| 112 | ||
| 113 | public String getSectionJSON(String subjectArea, String quarter, String courseLevel) | |
| 114 | throws Exception { | |
| 115 | List<ConvertedSection> l = getConvertedSections(subjectArea, quarter, courseLevel); | |
| 116 | ||
| 117 | String arrayToJson = objectMapper.writeValueAsString(l); | |
| 118 | ||
| 119 |
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1. getSectionJSON : replaced return value with "" for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getSectionJSON → KILLED |
return arrayToJson; |
| 120 | } | |
| 121 | ||
| 122 | public String getSubjectsJSON() throws Exception { | |
| 123 | ||
| 124 | HttpHeaders headers = new HttpHeaders(); | |
| 125 |
1
1. getSubjectsJSON : removed call to org/springframework/http/HttpHeaders::setAccept → KILLED |
headers.setAccept(Arrays.asList(MediaType.APPLICATION_JSON)); |
| 126 |
1
1. getSubjectsJSON : removed call to org/springframework/http/HttpHeaders::setContentType → KILLED |
headers.setContentType(MediaType.APPLICATION_JSON); |
| 127 |
1
1. getSubjectsJSON : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-version", "1.0"); |
| 128 |
1
1. getSubjectsJSON : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-key", this.apiKey); |
| 129 | ||
| 130 | HttpEntity<String> entity = new HttpEntity<>("body", headers); | |
| 131 | ||
| 132 | log.info("url=" + SUBJECTS_ENDPOINT); | |
| 133 | ||
| 134 | String retVal = ""; | |
| 135 | MediaType contentType = null; | |
| 136 | HttpStatus statusCode = null; | |
| 137 | ||
| 138 | ResponseEntity<String> re = | |
| 139 | restTemplate.exchange(SUBJECTS_ENDPOINT, HttpMethod.GET, entity, String.class); | |
| 140 | contentType = re.getHeaders().getContentType(); | |
| 141 | statusCode = (HttpStatus) re.getStatusCode(); | |
| 142 | retVal = re.getBody(); | |
| 143 | ||
| 144 | log.info("json: {} contentType: {} statusCode: {}", retVal, contentType, statusCode); | |
| 145 |
1
1. getSubjectsJSON : replaced return value with "" for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getSubjectsJSON → KILLED |
return retVal; |
| 146 | } | |
| 147 | ||
| 148 | /** | |
| 149 | * This method retrieves exactly one section matching the enrollCode and quarter arguments, if | |
| 150 | * such a section exists. | |
| 151 | */ | |
| 152 | public String getSection(String enrollCode, String quarter) throws Exception { | |
| 153 | ||
| 154 | HttpHeaders headers = new HttpHeaders(); | |
| 155 |
1
1. getSection : removed call to org/springframework/http/HttpHeaders::setAccept → KILLED |
headers.setAccept(Arrays.asList(MediaType.APPLICATION_JSON)); |
| 156 |
1
1. getSection : removed call to org/springframework/http/HttpHeaders::setContentType → KILLED |
headers.setContentType(MediaType.APPLICATION_JSON); |
| 157 |
1
1. getSection : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-version", "1.0"); |
| 158 |
1
1. getSection : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-key", this.apiKey); |
| 159 | ||
| 160 | HttpEntity<String> entity = new HttpEntity<>("body", headers); | |
| 161 | ||
| 162 | String url = SECTION_ENDPOINT; | |
| 163 | ||
| 164 | log.info("url=" + url); | |
| 165 | ||
| 166 | Map<String, String> params = new HashMap<>(); | |
| 167 | params.put("quarter", quarter); | |
| 168 | params.put("enrollcode", enrollCode); | |
| 169 | ||
| 170 | String retVal = ""; | |
| 171 | MediaType contentType = null; | |
| 172 | HttpStatus statusCode = null; | |
| 173 | ||
| 174 | ResponseEntity<String> re = | |
| 175 | restTemplate.exchange(url, HttpMethod.GET, entity, String.class, params); | |
| 176 | contentType = re.getHeaders().getContentType(); | |
| 177 | statusCode = (HttpStatus) re.getStatusCode(); | |
| 178 | retVal = re.getBody(); | |
| 179 | ||
| 180 |
1
1. getSection : negated conditional → KILLED |
if (retVal.equals("null")) { |
| 181 | retVal = "{\"error\": \"Enroll code doesn't exist in that quarter.\"}"; | |
| 182 | } | |
| 183 | ||
| 184 | log.info("json: {} contentType: {} statusCode: {}", retVal, contentType, statusCode); | |
| 185 |
1
1. getSection : replaced return value with "" for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getSection → KILLED |
return retVal; |
| 186 | } | |
| 187 | ||
| 188 | /** | |
| 189 | * This method retrieves all of the sections related to a certain enroll code. For example, if the | |
| 190 | * enrollCode is for a discussion section, the lecture section and all related discussion sections | |
| 191 | * will also be returned. | |
| 192 | */ | |
| 193 | public String getAllSections(String enrollCode, String quarter) throws Exception { | |
| 194 | ||
| 195 | HttpHeaders headers = new HttpHeaders(); | |
| 196 |
1
1. getAllSections : removed call to org/springframework/http/HttpHeaders::setAccept → KILLED |
headers.setAccept(Arrays.asList(MediaType.APPLICATION_JSON)); |
| 197 |
1
1. getAllSections : removed call to org/springframework/http/HttpHeaders::setContentType → KILLED |
headers.setContentType(MediaType.APPLICATION_JSON); |
| 198 |
1
1. getAllSections : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-version", "3.0"); |
| 199 |
1
1. getAllSections : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-key", this.apiKey); |
| 200 | ||
| 201 | HttpEntity<String> entity = new HttpEntity<>("body", headers); | |
| 202 | ||
| 203 | String url = ALL_SECTIONS_ENDPOINT; | |
| 204 | ||
| 205 | log.info("url=" + url); | |
| 206 | ||
| 207 | Map<String, String> params = new HashMap<>(); | |
| 208 | params.put("quarter", quarter); | |
| 209 | params.put("enrollcode", enrollCode); | |
| 210 | ||
| 211 | String retVal = ""; | |
| 212 | MediaType contentType = null; | |
| 213 | HttpStatus statusCode = null; | |
| 214 | ||
| 215 | ResponseEntity<String> re = | |
| 216 | restTemplate.exchange(url, HttpMethod.GET, entity, String.class, params); | |
| 217 | contentType = re.getHeaders().getContentType(); | |
| 218 | statusCode = (HttpStatus) re.getStatusCode(); | |
| 219 | retVal = re.getBody(); | |
| 220 | ||
| 221 |
1
1. getAllSections : negated conditional → KILLED |
if (retVal.equals("null")) { |
| 222 | retVal = "{\"error\": \"Enroll code doesn't exist in that quarter.\"}"; | |
| 223 | } | |
| 224 | ||
| 225 | log.info("json: {} contentType: {} statusCode: {}", retVal, contentType, statusCode); | |
| 226 |
1
1. getAllSections : replaced return value with "" for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getAllSections → KILLED |
return retVal; |
| 227 | } | |
| 228 | ||
| 229 | public String getJSONbyQtrEnrollCd(String quarter, String enrollCd) throws Exception { | |
| 230 | ||
| 231 | HttpHeaders headers = new HttpHeaders(); | |
| 232 |
1
1. getJSONbyQtrEnrollCd : removed call to org/springframework/http/HttpHeaders::setAccept → KILLED |
headers.setAccept(Arrays.asList(MediaType.APPLICATION_JSON)); |
| 233 |
1
1. getJSONbyQtrEnrollCd : removed call to org/springframework/http/HttpHeaders::setContentType → KILLED |
headers.setContentType(MediaType.APPLICATION_JSON); |
| 234 |
1
1. getJSONbyQtrEnrollCd : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-version", "1.0"); |
| 235 |
1
1. getJSONbyQtrEnrollCd : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-key", this.apiKey); |
| 236 | ||
| 237 | HttpEntity<String> entity = new HttpEntity<>("body", headers); | |
| 238 | ||
| 239 | String url = | |
| 240 | "https://api.ucsb.edu/academics/curriculums/v3/classsection/" + quarter + "/" + enrollCd; | |
| 241 | ||
| 242 | log.info("url=" + url); | |
| 243 | ||
| 244 | String retVal = ""; | |
| 245 | MediaType contentType = null; | |
| 246 | HttpStatus statusCode = null; | |
| 247 | ||
| 248 | ResponseEntity<String> re = restTemplate.exchange(url, HttpMethod.GET, entity, String.class); | |
| 249 | contentType = re.getHeaders().getContentType(); | |
| 250 | statusCode = (HttpStatus) re.getStatusCode(); | |
| 251 | retVal = re.getBody(); | |
| 252 | ||
| 253 | log.info("json: {} contentType: {} statusCode: {}", retVal, contentType, statusCode); | |
| 254 |
1
1. getJSONbyQtrEnrollCd : replaced return value with "" for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getJSONbyQtrEnrollCd → KILLED |
return retVal; |
| 255 | } | |
| 256 | ||
| 257 | public String getFinalsInfo(String quarter, String enrollCd) throws Exception { | |
| 258 | HttpHeaders headers = new HttpHeaders(); | |
| 259 |
1
1. getFinalsInfo : removed call to org/springframework/http/HttpHeaders::setAccept → KILLED |
headers.setAccept(Arrays.asList(MediaType.APPLICATION_JSON)); |
| 260 |
1
1. getFinalsInfo : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-version", "3.0"); |
| 261 |
1
1. getFinalsInfo : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-key", this.apiKey); |
| 262 | ||
| 263 | HttpEntity<String> entity = new HttpEntity<>("body", headers); | |
| 264 | ||
| 265 | String params = String.format("?quarter=%s&enrollCode=%s", quarter, enrollCd); | |
| 266 | String url = FINALS_ENDPOINT + params; | |
| 267 | ||
| 268 | log.info("url=" + url); | |
| 269 | ||
| 270 | String retVal; | |
| 271 | MediaType contentType; | |
| 272 | HttpStatus statusCode; | |
| 273 | ||
| 274 | ResponseEntity<String> re = restTemplate.exchange(url, HttpMethod.GET, entity, String.class); | |
| 275 | contentType = re.getHeaders().getContentType(); | |
| 276 | statusCode = (HttpStatus) re.getStatusCode(); | |
| 277 | retVal = re.getBody(); | |
| 278 | ||
| 279 | log.info("json: {} contentType: {} statusCode: {}", retVal, contentType, statusCode); | |
| 280 |
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1. getFinalsInfo : replaced return value with "" for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getFinalsInfo → KILLED |
return retVal; |
| 281 | } | |
| 282 | ||
| 283 | public String[] getStaticGeInfo() { | |
| 284 |
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1. getStaticGeInfo : replaced return value with null for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getStaticGeInfo → KILLED |
return GE_CODES; |
| 285 | } | |
| 286 | ||
| 287 | public String getGeInfo() throws Exception { | |
| 288 | HttpHeaders headers = new HttpHeaders(); | |
| 289 |
1
1. getGeInfo : removed call to org/springframework/http/HttpHeaders::setAccept → KILLED |
headers.setAccept(Arrays.asList(MediaType.APPLICATION_JSON)); |
| 290 |
1
1. getGeInfo : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-version", "3.0"); |
| 291 |
1
1. getGeInfo : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-key", this.apiKey); |
| 292 | ||
| 293 | HttpEntity<String> entity = new HttpEntity<>("body", headers); | |
| 294 | ||
| 295 | String url = GE_ENDPOINT; | |
| 296 | ||
| 297 | log.info("url=" + url); | |
| 298 | ||
| 299 | ResponseEntity<String> re = restTemplate.exchange(url, HttpMethod.GET, entity, String.class); | |
| 300 | MediaType contentType = re.getHeaders().getContentType(); | |
| 301 | HttpStatus statusCode = (HttpStatus) re.getStatusCode(); | |
| 302 | String fullResponse = re.getBody(); | |
| 303 | ||
| 304 | log.info("json: {} contentType: {} statusCode: {}", fullResponse, contentType, statusCode); | |
| 305 | ||
| 306 | // Parse the full JSON response | |
| 307 | ObjectMapper objectMapper = new ObjectMapper(); | |
| 308 | JsonNode rootNode = objectMapper.readTree(fullResponse); | |
| 309 | ||
| 310 | // Create a new array with just teh requirement coes as strings | |
| 311 | Set<String> uniqueCodes = new TreeSet<>(); | |
| 312 | for (JsonNode item : rootNode) { | |
| 313 | uniqueCodes.add(item.get("requirementCode").asText()); | |
| 314 | } | |
| 315 | ||
| 316 | // Convert the Set to a JSON array | |
| 317 | ArrayNode resultArray = objectMapper.createArrayNode(); | |
| 318 | for (String code : uniqueCodes) { | |
| 319 | resultArray.add(code); | |
| 320 | } | |
| 321 | ||
| 322 | // Convert the filtered array back to JSON string | |
| 323 |
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1. getGeInfo : replaced return value with "" for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getGeInfo → KILLED |
return objectMapper.writeValueAsString(resultArray); |
| 324 | } | |
| 325 | } | |
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