| 1 | package edu.ucsb.cs156.courses.services; | |
| 2 | ||
| 3 | import com.fasterxml.jackson.core.JsonProcessingException; | |
| 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 java.io.*; | |
| 8 | import java.util.Arrays; | |
| 9 | import java.util.HashMap; | |
| 10 | import java.util.List; | |
| 11 | import java.util.Map; | |
| 12 | import lombok.extern.slf4j.Slf4j; | |
| 13 | import org.springframework.beans.factory.annotation.Autowired; | |
| 14 | import org.springframework.beans.factory.annotation.Value; | |
| 15 | import org.springframework.boot.web.client.RestTemplateBuilder; | |
| 16 | import org.springframework.http.HttpEntity; | |
| 17 | import org.springframework.http.HttpHeaders; | |
| 18 | import org.springframework.http.HttpMethod; | |
| 19 | import org.springframework.http.HttpStatus; | |
| 20 | import org.springframework.http.MediaType; | |
| 21 | import org.springframework.http.ResponseEntity; | |
| 22 | import org.springframework.stereotype.Service; | |
| 23 | import org.springframework.web.client.HttpClientErrorException; | |
| 24 | import org.springframework.web.client.RestTemplate; | |
| 25 | import org.springframework.web.util.UriComponentsBuilder; | |
| 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) { | |
| 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 String getJSON(String subjectArea, String quarter, String courseLevel) { | |
| 56 | ||
| 57 | HttpHeaders headers = new HttpHeaders(); | |
| 58 |
1
1. getJSON : removed call to org/springframework/http/HttpHeaders::setAccept → KILLED |
headers.setAccept(Arrays.asList(MediaType.APPLICATION_JSON)); |
| 59 |
1
1. getJSON : removed call to org/springframework/http/HttpHeaders::setContentType → KILLED |
headers.setContentType(MediaType.APPLICATION_JSON); |
| 60 |
1
1. getJSON : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-version", "1.0"); |
| 61 |
1
1. getJSON : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-key", this.apiKey); |
| 62 | ||
| 63 | HttpEntity<String> entity = new HttpEntity<>("body", headers); | |
| 64 | ||
| 65 | String params = | |
| 66 | String.format( | |
| 67 | "?quarter=%s&subjectCode=%s&objLevelCode=%s&pageNumber=%d&pageSize=%d&includeClassSections=%s", | |
| 68 | quarter, subjectArea, courseLevel, 1, 100, "true"); | |
| 69 | String url = CURRICULUM_ENDPOINT + params; | |
| 70 | ||
| 71 |
1
1. getJSON : negated conditional → KILLED |
if (courseLevel.equals("A")) { |
| 72 | params = | |
| 73 | String.format( | |
| 74 | "?quarter=%s&subjectCode=%s&pageNumber=%d&pageSize=%d&includeClassSections=%s", | |
| 75 | quarter, subjectArea, 1, 100, "true"); | |
| 76 | url = CURRICULUM_ENDPOINT + params; | |
| 77 | } | |
| 78 | ||
| 79 | log.info("url=" + url); | |
| 80 | ||
| 81 | String retVal = ""; | |
| 82 | MediaType contentType = null; | |
| 83 | HttpStatus statusCode = null; | |
| 84 | try { | |
| 85 | ResponseEntity<String> re = restTemplate.exchange(url, HttpMethod.GET, entity, String.class); | |
| 86 | contentType = re.getHeaders().getContentType(); | |
| 87 | statusCode = re.getStatusCode(); | |
| 88 | retVal = re.getBody(); | |
| 89 | } catch (HttpClientErrorException e) { | |
| 90 | retVal = "{\"error\": \"401: Unauthorized\"}"; | |
| 91 | } | |
| 92 | log.info("json: {} contentType: {} statusCode: {}", retVal, contentType, statusCode); | |
| 93 |
1
1. getJSON : replaced return value with "" for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getJSON → KILLED |
return retVal; |
| 94 | } | |
| 95 | ||
| 96 | public List<ConvertedSection> getConvertedSections( | |
| 97 | String subjectArea, String quarter, String courseLevel) throws JsonProcessingException { | |
| 98 | String json = getJSON(subjectArea, quarter, courseLevel); | |
| 99 | CoursePage coursePage = objectMapper.readValue(json, CoursePage.class); | |
| 100 | List<ConvertedSection> result = coursePage.convertedSections(); | |
| 101 |
1
1. getConvertedSections : replaced return value with Collections.emptyList for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getConvertedSections → KILLED |
return result; |
| 102 | } | |
| 103 | ||
| 104 | public String getSectionJSON(String subjectArea, String quarter, String courseLevel) | |
| 105 | throws JsonProcessingException { | |
| 106 | List<ConvertedSection> l = getConvertedSections(subjectArea, quarter, courseLevel); | |
| 107 | ||
| 108 | String arrayToJson = objectMapper.writeValueAsString(l); | |
| 109 | ||
| 110 |
1
1. getSectionJSON : replaced return value with "" for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getSectionJSON → KILLED |
return arrayToJson; |
| 111 | } | |
| 112 | ||
| 113 | public String getSubjectsJSON() { | |
| 114 | ||
| 115 | HttpHeaders headers = new HttpHeaders(); | |
| 116 |
1
1. getSubjectsJSON : removed call to org/springframework/http/HttpHeaders::setAccept → KILLED |
headers.setAccept(Arrays.asList(MediaType.APPLICATION_JSON)); |
| 117 |
1
1. getSubjectsJSON : removed call to org/springframework/http/HttpHeaders::setContentType → KILLED |
headers.setContentType(MediaType.APPLICATION_JSON); |
| 118 |
1
1. getSubjectsJSON : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-version", "1.0"); |
| 119 |
1
1. getSubjectsJSON : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-key", this.apiKey); |
| 120 | ||
| 121 | HttpEntity<String> entity = new HttpEntity<>("body", headers); | |
| 122 | ||
| 123 | log.info("url=" + SUBJECTS_ENDPOINT); | |
| 124 | ||
| 125 | String retVal = ""; | |
| 126 | MediaType contentType = null; | |
| 127 | HttpStatus statusCode = null; | |
| 128 | try { | |
| 129 | ResponseEntity<String> re = | |
| 130 | restTemplate.exchange(SUBJECTS_ENDPOINT, HttpMethod.GET, entity, String.class); | |
| 131 | contentType = re.getHeaders().getContentType(); | |
| 132 | statusCode = re.getStatusCode(); | |
| 133 | retVal = re.getBody(); | |
| 134 | } catch (HttpClientErrorException e) { | |
| 135 | retVal = "{\"error\": \"401: Unauthorized\"}"; | |
| 136 | } | |
| 137 | log.info("json: {} contentType: {} statusCode: {}", retVal, contentType, statusCode); | |
| 138 |
1
1. getSubjectsJSON : replaced return value with "" for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getSubjectsJSON → KILLED |
return retVal; |
| 139 | } | |
| 140 | ||
| 141 | /** | |
| 142 | * This method retrieves exactly one section matching the enrollCode and quarter arguments, if | |
| 143 | * such a section exists. | |
| 144 | */ | |
| 145 | public String getSection(String enrollCode, String quarter) { | |
| 146 | ||
| 147 | HttpHeaders headers = new HttpHeaders(); | |
| 148 |
1
1. getSection : removed call to org/springframework/http/HttpHeaders::setAccept → KILLED |
headers.setAccept(Arrays.asList(MediaType.APPLICATION_JSON)); |
| 149 |
1
1. getSection : removed call to org/springframework/http/HttpHeaders::setContentType → KILLED |
headers.setContentType(MediaType.APPLICATION_JSON); |
| 150 |
1
1. getSection : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-version", "1.0"); |
| 151 |
1
1. getSection : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-key", this.apiKey); |
| 152 | ||
| 153 | HttpEntity<String> entity = new HttpEntity<>("body", headers); | |
| 154 | ||
| 155 | String url = SECTION_ENDPOINT; | |
| 156 | ||
| 157 | log.info("url=" + url); | |
| 158 | ||
| 159 | String urlTemplate = | |
| 160 | UriComponentsBuilder.fromHttpUrl(url) | |
| 161 | .queryParam("quarter", "{quarter}") | |
| 162 | .queryParam("enrollcode", "{enrollcode}") | |
| 163 | .encode() | |
| 164 | .toUriString(); | |
| 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 | try { | |
| 174 | ResponseEntity<String> re = | |
| 175 | restTemplate.exchange(url, HttpMethod.GET, entity, String.class, params); | |
| 176 | contentType = re.getHeaders().getContentType(); | |
| 177 | statusCode = re.getStatusCode(); | |
| 178 | retVal = re.getBody(); | |
| 179 | } catch (HttpClientErrorException e) { | |
| 180 | retVal = "{\"error\": \"401: Unauthorized\"}"; | |
| 181 | } | |
| 182 | ||
| 183 |
1
1. getSection : negated conditional → KILLED |
if (retVal.equals("null")) { |
| 184 | retVal = "{\"error\": \"Enroll code doesn't exist in that quarter.\"}"; | |
| 185 | } | |
| 186 | ||
| 187 | log.info("json: {} contentType: {} statusCode: {}", retVal, contentType, statusCode); | |
| 188 |
1
1. getSection : replaced return value with "" for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getSection → KILLED |
return retVal; |
| 189 | } | |
| 190 | ||
| 191 | /** | |
| 192 | * This method retrieves all of the sections related to a certain enroll code. For example, if the | |
| 193 | * enrollCode is for a discussion section, the lecture section and all related discussion sections | |
| 194 | * will also be returned. | |
| 195 | */ | |
| 196 | public String getAllSections(String enrollCode, String quarter) { | |
| 197 | ||
| 198 | HttpHeaders headers = new HttpHeaders(); | |
| 199 |
1
1. getAllSections : removed call to org/springframework/http/HttpHeaders::setAccept → KILLED |
headers.setAccept(Arrays.asList(MediaType.APPLICATION_JSON)); |
| 200 |
1
1. getAllSections : removed call to org/springframework/http/HttpHeaders::setContentType → KILLED |
headers.setContentType(MediaType.APPLICATION_JSON); |
| 201 |
1
1. getAllSections : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-version", "3.0"); |
| 202 |
1
1. getAllSections : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-key", this.apiKey); |
| 203 | ||
| 204 | HttpEntity<String> entity = new HttpEntity<>("body", headers); | |
| 205 | ||
| 206 | String url = ALL_SECTIONS_ENDPOINT; | |
| 207 | ||
| 208 | log.info("url=" + url); | |
| 209 | ||
| 210 | String urlTemplate = | |
| 211 | UriComponentsBuilder.fromHttpUrl(url) | |
| 212 | .queryParam("quarter", "{quarter}") | |
| 213 | .queryParam("enrollcode", "{enrollcode}") | |
| 214 | .encode() | |
| 215 | .toUriString(); | |
| 216 | ||
| 217 | Map<String, String> params = new HashMap<>(); | |
| 218 | params.put("quarter", quarter); | |
| 219 | params.put("enrollcode", enrollCode); | |
| 220 | ||
| 221 | String retVal = ""; | |
| 222 | MediaType contentType = null; | |
| 223 | HttpStatus statusCode = null; | |
| 224 | try { | |
| 225 | ResponseEntity<String> re = | |
| 226 | restTemplate.exchange(url, HttpMethod.GET, entity, String.class, params); | |
| 227 | contentType = re.getHeaders().getContentType(); | |
| 228 | statusCode = re.getStatusCode(); | |
| 229 | retVal = re.getBody(); | |
| 230 | } catch (HttpClientErrorException e) { | |
| 231 | retVal = "{\"error\": \"401: Unauthorized\"}"; | |
| 232 | } | |
| 233 | ||
| 234 |
1
1. getAllSections : negated conditional → KILLED |
if (retVal.equals("null")) { |
| 235 | retVal = "{\"error\": \"Enroll code doesn't exist in that quarter.\"}"; | |
| 236 | } | |
| 237 | ||
| 238 | log.info("json: {} contentType: {} statusCode: {}", retVal, contentType, statusCode); | |
| 239 |
1
1. getAllSections : replaced return value with "" for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getAllSections → KILLED |
return retVal; |
| 240 | } | |
| 241 | ||
| 242 | public String getJSONbyQtrEnrollCd(String quarter, String enrollCd) { | |
| 243 | ||
| 244 | HttpHeaders headers = new HttpHeaders(); | |
| 245 |
1
1. getJSONbyQtrEnrollCd : removed call to org/springframework/http/HttpHeaders::setAccept → KILLED |
headers.setAccept(Arrays.asList(MediaType.APPLICATION_JSON)); |
| 246 |
1
1. getJSONbyQtrEnrollCd : removed call to org/springframework/http/HttpHeaders::setContentType → KILLED |
headers.setContentType(MediaType.APPLICATION_JSON); |
| 247 |
1
1. getJSONbyQtrEnrollCd : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-version", "1.0"); |
| 248 |
1
1. getJSONbyQtrEnrollCd : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-key", this.apiKey); |
| 249 | ||
| 250 | HttpEntity<String> entity = new HttpEntity<>("body", headers); | |
| 251 | ||
| 252 | String url = | |
| 253 | "https://api.ucsb.edu/academics/curriculums/v3/classsection/" + quarter + "/" + enrollCd; | |
| 254 | ||
| 255 | log.info("url=" + url); | |
| 256 | ||
| 257 | String retVal = ""; | |
| 258 | MediaType contentType = null; | |
| 259 | HttpStatus statusCode = null; | |
| 260 | try { | |
| 261 | ResponseEntity<String> re = restTemplate.exchange(url, HttpMethod.GET, entity, String.class); | |
| 262 | contentType = re.getHeaders().getContentType(); | |
| 263 | statusCode = re.getStatusCode(); | |
| 264 | retVal = re.getBody(); | |
| 265 | } catch (HttpClientErrorException e) { | |
| 266 | retVal = "{\"error\": \"401: Unauthorized\"}"; | |
| 267 | } | |
| 268 | log.info("json: {} contentType: {} statusCode: {}", retVal, contentType, statusCode); | |
| 269 |
1
1. getJSONbyQtrEnrollCd : replaced return value with "" for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getJSONbyQtrEnrollCd → KILLED |
return retVal; |
| 270 | } | |
| 271 | } | |
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