| 1 | package edu.ucsb.cs156.courses.services; | |
| 2 | ||
| 3 | import com.fasterxml.jackson.core.type.TypeReference; | |
| 4 | import com.fasterxml.jackson.databind.ObjectMapper; | |
| 5 | import edu.ucsb.cs156.courses.documents.ConvertedSection; | |
| 6 | import edu.ucsb.cs156.courses.documents.CoursePage; | |
| 7 | import edu.ucsb.cs156.courses.documents.GERequirement; | |
| 8 | import edu.ucsb.cs156.courses.documents.Primary; | |
| 9 | import java.util.Arrays; | |
| 10 | import java.util.HashMap; | |
| 11 | import java.util.List; | |
| 12 | import java.util.Map; | |
| 13 | import java.util.stream.Collectors; | |
| 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 | public static final String GE_ENDPOINT = "https://api.ucsb.edu/students/lookups/v1/requirements"; | |
| 59 | ||
| 60 | public String getJSON(String subjectArea, String quarter, String courseLevel) throws Exception { | |
| 61 | ||
| 62 | HttpHeaders headers = new HttpHeaders(); | |
| 63 |
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1. getJSON : removed call to org/springframework/http/HttpHeaders::setAccept → KILLED |
headers.setAccept(Arrays.asList(MediaType.APPLICATION_JSON)); |
| 64 |
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1. getJSON : removed call to org/springframework/http/HttpHeaders::setContentType → KILLED |
headers.setContentType(MediaType.APPLICATION_JSON); |
| 65 |
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1. getJSON : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-version", "1.0"); |
| 66 |
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1. getJSON : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-key", this.apiKey); |
| 67 | ||
| 68 | HttpEntity<String> entity = new HttpEntity<>("body", headers); | |
| 69 | ||
| 70 | String params = | |
| 71 | String.format( | |
| 72 | "?quarter=%s&subjectCode=%s&objLevelCode=%s&pageNumber=%d&pageSize=%d&includeClassSections=%s", | |
| 73 | quarter, subjectArea, courseLevel, 1, 100, "true"); | |
| 74 | String url = CURRICULUM_ENDPOINT + params; | |
| 75 | ||
| 76 |
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1. getJSON : negated conditional → KILLED |
if (courseLevel.equals("A")) { |
| 77 | params = | |
| 78 | String.format( | |
| 79 | "?quarter=%s&subjectCode=%s&pageNumber=%d&pageSize=%d&includeClassSections=%s", | |
| 80 | quarter, subjectArea, 1, 100, "true"); | |
| 81 | url = CURRICULUM_ENDPOINT + params; | |
| 82 | } | |
| 83 | ||
| 84 | log.info("url=" + url); | |
| 85 | ||
| 86 | String retVal = ""; | |
| 87 | MediaType contentType = null; | |
| 88 | HttpStatus statusCode = null; | |
| 89 | ||
| 90 | ResponseEntity<String> re = restTemplate.exchange(url, HttpMethod.GET, entity, String.class); | |
| 91 | contentType = re.getHeaders().getContentType(); | |
| 92 | statusCode = (HttpStatus) re.getStatusCode(); | |
| 93 | retVal = re.getBody(); | |
| 94 | ||
| 95 | log.trace("json: {}", retVal); | |
| 96 | log.info("contentType: {} statusCode: {}", contentType, statusCode); | |
| 97 |
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1. getJSON : replaced return value with "" for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getJSON → KILLED |
return retVal; |
| 98 | } | |
| 99 | ||
| 100 | public List<ConvertedSection> getConvertedSections( | |
| 101 | String subjectArea, String quarter, String courseLevel) throws Exception { | |
| 102 | String json = getJSON(subjectArea, quarter, courseLevel); | |
| 103 | CoursePage coursePage = objectMapper.readValue(json, CoursePage.class); | |
| 104 | List<ConvertedSection> result = coursePage.convertedSections(); | |
| 105 |
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return result; |
| 106 | } | |
| 107 | ||
| 108 | /** | |
| 109 | * This method retrieves course information and reformats it so that each primary is a single | |
| 110 | * object, that has a list of all of it's secondaries. | |
| 111 | * | |
| 112 | * <p>As a reminder, the UCSB course registration systems (GOLD, Blue, Star, etc.) treat all | |
| 113 | * courses as "sections", even what we typically call "lectures". In the database, some courses | |
| 114 | * have both primary and secondary sections. Primary sections have section numbers ending in 00 | |
| 115 | * (e.g. 100, 200, 300, up to 9900), while secondaries have numbers ending with 01, 02, 03, etc. | |
| 116 | * and "belong" with a primary. | |
| 117 | * | |
| 118 | * <p>What we typically refer to as "lectures" are primary sections ending in 00 (e.g. 100, 200, | |
| 119 | * 300). What we typically refer to as discussion sections are secondaries and end with 01, 02, | |
| 120 | * 03, etc. | |
| 121 | * | |
| 122 | * <p> | |
| 123 | * | |
| 124 | * <p>The UCSB API <i>almost</i> does this, but not quite. It returns a list of all sections, but | |
| 125 | * does not group them into primaries and secondaries. This method relies on the <code> | |
| 126 | * getPrimaries</code> method of the <code>Page</code> class to reformat the data so that each | |
| 127 | * primary section is a single object, with a list of all of its secondaries. | |
| 128 | * | |
| 129 | * @param subjectArea | |
| 130 | * @param quarter | |
| 131 | * @param courseLevel | |
| 132 | * @return a list of Primaries | |
| 133 | * @throws Exception | |
| 134 | */ | |
| 135 | public List<Primary> getPrimaries(String subjectArea, String quarter, String courseLevel) | |
| 136 | throws Exception { | |
| 137 | String json = getJSON(subjectArea, quarter, courseLevel); | |
| 138 | CoursePage coursePage = objectMapper.readValue(json, CoursePage.class); | |
| 139 | List<Primary> result = coursePage.getPrimaries(); | |
| 140 |
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return result; |
| 141 | } | |
| 142 | ||
| 143 | public String getSectionJSON(String subjectArea, String quarter, String courseLevel) | |
| 144 | throws Exception { | |
| 145 | List<ConvertedSection> l = getConvertedSections(subjectArea, quarter, courseLevel); | |
| 146 | ||
| 147 | String arrayToJson = objectMapper.writeValueAsString(l); | |
| 148 | ||
| 149 |
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1. getSectionJSON : replaced return value with "" for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getSectionJSON → KILLED |
return arrayToJson; |
| 150 | } | |
| 151 | ||
| 152 | public String getSubjectsJSON() throws Exception { | |
| 153 | ||
| 154 | HttpHeaders headers = new HttpHeaders(); | |
| 155 |
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1. getSubjectsJSON : removed call to org/springframework/http/HttpHeaders::setAccept → KILLED |
headers.setAccept(Arrays.asList(MediaType.APPLICATION_JSON)); |
| 156 |
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1. getSubjectsJSON : removed call to org/springframework/http/HttpHeaders::setContentType → KILLED |
headers.setContentType(MediaType.APPLICATION_JSON); |
| 157 |
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1. getSubjectsJSON : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-version", "1.0"); |
| 158 |
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1. getSubjectsJSON : 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 | log.info("url=" + SUBJECTS_ENDPOINT); | |
| 163 | ||
| 164 | String retVal = ""; | |
| 165 | MediaType contentType = null; | |
| 166 | HttpStatus statusCode = null; | |
| 167 | ||
| 168 | ResponseEntity<String> re = | |
| 169 | restTemplate.exchange(SUBJECTS_ENDPOINT, HttpMethod.GET, entity, String.class); | |
| 170 | contentType = re.getHeaders().getContentType(); | |
| 171 | statusCode = (HttpStatus) re.getStatusCode(); | |
| 172 | retVal = re.getBody(); | |
| 173 | ||
| 174 | log.info("json: {} contentType: {} statusCode: {}", retVal, contentType, statusCode); | |
| 175 |
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1. getSubjectsJSON : replaced return value with "" for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getSubjectsJSON → KILLED |
return retVal; |
| 176 | } | |
| 177 | ||
| 178 | /** | |
| 179 | * This method retrieves exactly one section matching the enrollCode and quarter arguments, if | |
| 180 | * such a section exists. | |
| 181 | */ | |
| 182 | public String getSection(String enrollCode, String quarter) throws Exception { | |
| 183 | ||
| 184 | HttpHeaders headers = new HttpHeaders(); | |
| 185 |
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1. getSection : removed call to org/springframework/http/HttpHeaders::setAccept → KILLED |
headers.setAccept(Arrays.asList(MediaType.APPLICATION_JSON)); |
| 186 |
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1. getSection : removed call to org/springframework/http/HttpHeaders::setContentType → KILLED |
headers.setContentType(MediaType.APPLICATION_JSON); |
| 187 |
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1. getSection : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-version", "1.0"); |
| 188 |
1
1. getSection : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-key", this.apiKey); |
| 189 | ||
| 190 | HttpEntity<String> entity = new HttpEntity<>("body", headers); | |
| 191 | ||
| 192 | String url = SECTION_ENDPOINT; | |
| 193 | ||
| 194 | log.info("url=" + url); | |
| 195 | ||
| 196 | Map<String, String> params = new HashMap<>(); | |
| 197 | params.put("quarter", quarter); | |
| 198 | params.put("enrollcode", enrollCode); | |
| 199 | ||
| 200 | String retVal = ""; | |
| 201 | MediaType contentType = null; | |
| 202 | HttpStatus statusCode = null; | |
| 203 | ||
| 204 | ResponseEntity<String> re = | |
| 205 | restTemplate.exchange(url, HttpMethod.GET, entity, String.class, params); | |
| 206 | contentType = re.getHeaders().getContentType(); | |
| 207 | statusCode = (HttpStatus) re.getStatusCode(); | |
| 208 | retVal = re.getBody(); | |
| 209 | ||
| 210 |
1
1. getSection : negated conditional → KILLED |
if (retVal.equals("null")) { |
| 211 | retVal = "{\"error\": \"Enroll code doesn't exist in that quarter.\"}"; | |
| 212 | } | |
| 213 | ||
| 214 | log.info("json: {} contentType: {} statusCode: {}", retVal, contentType, statusCode); | |
| 215 |
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1. getSection : replaced return value with "" for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getSection → KILLED |
return retVal; |
| 216 | } | |
| 217 | ||
| 218 | /** | |
| 219 | * This method retrieves all of the sections related to a certain enroll code. For example, if the | |
| 220 | * enrollCode is for a discussion section, the lecture section and all related discussion sections | |
| 221 | * will also be returned. | |
| 222 | */ | |
| 223 | public String getAllSections(String enrollCode, String quarter) throws Exception { | |
| 224 | ||
| 225 | HttpHeaders headers = new HttpHeaders(); | |
| 226 |
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1. getAllSections : removed call to org/springframework/http/HttpHeaders::setAccept → KILLED |
headers.setAccept(Arrays.asList(MediaType.APPLICATION_JSON)); |
| 227 |
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1. getAllSections : removed call to org/springframework/http/HttpHeaders::setContentType → KILLED |
headers.setContentType(MediaType.APPLICATION_JSON); |
| 228 |
1
1. getAllSections : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-version", "3.0"); |
| 229 |
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1. getAllSections : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-key", this.apiKey); |
| 230 | ||
| 231 | HttpEntity<String> entity = new HttpEntity<>("body", headers); | |
| 232 | ||
| 233 | String url = ALL_SECTIONS_ENDPOINT; | |
| 234 | ||
| 235 | log.info("url=" + url); | |
| 236 | ||
| 237 | Map<String, String> params = new HashMap<>(); | |
| 238 | params.put("quarter", quarter); | |
| 239 | params.put("enrollcode", enrollCode); | |
| 240 | ||
| 241 | String retVal = ""; | |
| 242 | MediaType contentType = null; | |
| 243 | HttpStatus statusCode = null; | |
| 244 | ||
| 245 | ResponseEntity<String> re = | |
| 246 | restTemplate.exchange(url, HttpMethod.GET, entity, String.class, params); | |
| 247 | contentType = re.getHeaders().getContentType(); | |
| 248 | statusCode = (HttpStatus) re.getStatusCode(); | |
| 249 | retVal = re.getBody(); | |
| 250 | ||
| 251 |
1
1. getAllSections : negated conditional → KILLED |
if (retVal.equals("null")) { |
| 252 | retVal = "{\"error\": \"Enroll code doesn't exist in that quarter.\"}"; | |
| 253 | } | |
| 254 | ||
| 255 | log.info("json: {} contentType: {} statusCode: {}", retVal, contentType, statusCode); | |
| 256 |
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1. getAllSections : replaced return value with "" for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getAllSections → KILLED |
return retVal; |
| 257 | } | |
| 258 | ||
| 259 | public String getJSONbyQtrEnrollCd(String quarter, String enrollCd) throws Exception { | |
| 260 | ||
| 261 | HttpHeaders headers = new HttpHeaders(); | |
| 262 |
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headers.setAccept(Arrays.asList(MediaType.APPLICATION_JSON)); |
| 263 |
1
1. getJSONbyQtrEnrollCd : removed call to org/springframework/http/HttpHeaders::setContentType → KILLED |
headers.setContentType(MediaType.APPLICATION_JSON); |
| 264 |
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1. getJSONbyQtrEnrollCd : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-version", "1.0"); |
| 265 |
1
1. getJSONbyQtrEnrollCd : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-key", this.apiKey); |
| 266 | ||
| 267 | HttpEntity<String> entity = new HttpEntity<>("body", headers); | |
| 268 | ||
| 269 | String url = | |
| 270 | "https://api.ucsb.edu/academics/curriculums/v3/classsection/" + quarter + "/" + enrollCd; | |
| 271 | ||
| 272 | log.info("url=" + url); | |
| 273 | ||
| 274 | String retVal = ""; | |
| 275 | MediaType contentType = null; | |
| 276 | HttpStatus statusCode = null; | |
| 277 | ||
| 278 | ResponseEntity<String> re = restTemplate.exchange(url, HttpMethod.GET, entity, String.class); | |
| 279 | contentType = re.getHeaders().getContentType(); | |
| 280 | statusCode = (HttpStatus) re.getStatusCode(); | |
| 281 | retVal = re.getBody(); | |
| 282 | ||
| 283 | log.info("json: {} contentType: {} statusCode: {}", retVal, contentType, statusCode); | |
| 284 |
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1. getJSONbyQtrEnrollCd : replaced return value with "" for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getJSONbyQtrEnrollCd → KILLED |
return retVal; |
| 285 | } | |
| 286 | ||
| 287 | public String getFinalsInfo(String quarter, String enrollCd) throws Exception { | |
| 288 | HttpHeaders headers = new HttpHeaders(); | |
| 289 |
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1. getFinalsInfo : removed call to org/springframework/http/HttpHeaders::setAccept → KILLED |
headers.setAccept(Arrays.asList(MediaType.APPLICATION_JSON)); |
| 290 |
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1. getFinalsInfo : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-version", "3.0"); |
| 291 |
1
1. getFinalsInfo : 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 params = String.format("?quarter=%s&enrollCode=%s", quarter, enrollCd); | |
| 296 | String url = FINALS_ENDPOINT + params; | |
| 297 | ||
| 298 | log.info("url=" + url); | |
| 299 | ||
| 300 | String retVal; | |
| 301 | MediaType contentType; | |
| 302 | HttpStatus statusCode; | |
| 303 | ||
| 304 | ResponseEntity<String> re = restTemplate.exchange(url, HttpMethod.GET, entity, String.class); | |
| 305 | contentType = re.getHeaders().getContentType(); | |
| 306 | statusCode = (HttpStatus) re.getStatusCode(); | |
| 307 | retVal = re.getBody(); | |
| 308 | ||
| 309 | log.info("json: {} contentType: {} statusCode: {}", retVal, contentType, statusCode); | |
| 310 |
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return retVal; |
| 311 | } | |
| 312 | ||
| 313 | public String getGeneralEducationInfo() throws Exception { | |
| 314 | HttpHeaders headers = new HttpHeaders(); | |
| 315 |
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1. getGeneralEducationInfo : removed call to org/springframework/http/HttpHeaders::setAccept → KILLED |
headers.setAccept(Arrays.asList(MediaType.APPLICATION_JSON)); |
| 316 |
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1. getGeneralEducationInfo : removed call to org/springframework/http/HttpHeaders::setContentType → KILLED |
headers.setContentType(MediaType.APPLICATION_JSON); |
| 317 |
1
1. getGeneralEducationInfo : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-version", "1.0"); |
| 318 |
1
1. getGeneralEducationInfo : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-key", this.apiKey); |
| 319 | ||
| 320 | HttpEntity<String> entity = new HttpEntity<>("body", headers); | |
| 321 | ||
| 322 | log.info("Fetching GE areas from {}", GE_ENDPOINT); | |
| 323 | ResponseEntity<String> response = | |
| 324 | restTemplate.exchange(GE_ENDPOINT, HttpMethod.GET, entity, String.class); | |
| 325 | ||
| 326 | log.debug("GE areas JSON: {}", response.getBody()); | |
| 327 |
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return response.getBody(); |
| 328 | } | |
| 329 | ||
| 330 | public List<String> getRequirementCodesByCollege(String collegeCode) throws Exception { | |
| 331 | String json = getGeneralEducationInfo(); | |
| 332 | ||
| 333 | List<GERequirement> allAreas = | |
| 334 | objectMapper.readValue(json, new TypeReference<List<GERequirement>>() {}); | |
| 335 | ||
| 336 |
1
1. getRequirementCodesByCollege : replaced return value with Collections.emptyList for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getRequirementCodesByCollege → KILLED |
return allAreas.stream() |
| 337 |
2
1. lambda$getRequirementCodesByCollege$0 : replaced boolean return with false for edu/ucsb/cs156/courses/services/UCSBCurriculumService::lambda$getRequirementCodesByCollege$0 → KILLED 2. lambda$getRequirementCodesByCollege$0 : replaced boolean return with true for edu/ucsb/cs156/courses/services/UCSBCurriculumService::lambda$getRequirementCodesByCollege$0 → KILLED |
.filter(area -> area.getCollegeCode().equalsIgnoreCase(collegeCode)) |
| 338 | .map(GERequirement::getRequirementCode) | |
| 339 | .distinct() | |
| 340 | .collect(Collectors.toList()); | |
| 341 | } | |
| 342 | } | |
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