1 | package edu.ucsb.cs156.courses.services; | |
2 | ||
3 | import java.util.ArrayList; | |
4 | import java.util.Arrays; | |
5 | import java.util.List; | |
6 | ||
7 | import com.fasterxml.jackson.core.JsonProcessingException; | |
8 | import com.fasterxml.jackson.databind.ObjectMapper; | |
9 | ||
10 | import org.slf4j.Logger; | |
11 | import org.slf4j.LoggerFactory; | |
12 | import org.springframework.beans.factory.annotation.Autowired; | |
13 | import org.springframework.beans.factory.annotation.Value; | |
14 | import org.springframework.boot.web.client.RestTemplateBuilder; | |
15 | import org.springframework.http.HttpEntity; | |
16 | import org.springframework.http.HttpHeaders; | |
17 | import org.springframework.http.HttpMethod; | |
18 | import org.springframework.http.HttpStatus; | |
19 | import org.springframework.http.MediaType; | |
20 | import org.springframework.http.ResponseEntity; | |
21 | import org.springframework.stereotype.Service; | |
22 | import org.springframework.web.client.HttpClientErrorException; | |
23 | import org.springframework.web.client.RestTemplate; | |
24 | ||
25 | import edu.ucsb.cs156.courses.documents.ConvertedSection; | |
26 | import edu.ucsb.cs156.courses.documents.Course; | |
27 | import edu.ucsb.cs156.courses.documents.CourseInfo; | |
28 | import edu.ucsb.cs156.courses.documents.CoursePage; | |
29 | import edu.ucsb.cs156.courses.documents.Section; | |
30 | import lombok.extern.slf4j.Slf4j; | |
31 | ||
32 | import org.springframework.web.util.UriComponentsBuilder; | |
33 | import java.util.Map; | |
34 | import java.util.HashMap; | |
35 | ||
36 | import java.io.*; | |
37 | ||
38 | /** | |
39 | * Service object that wraps the UCSB Academic Curriculum API | |
40 | */ | |
41 | @Service | |
42 | @Slf4j | |
43 | public class UCSBCurriculumService { | |
44 | ||
45 | @Autowired | |
46 | private ObjectMapper objectMapper; | |
47 | ||
48 | @Value("${app.ucsb.api.consumer_key}") | |
49 | private String apiKey; | |
50 | ||
51 | private RestTemplate restTemplate = new RestTemplate(); | |
52 | ||
53 | public UCSBCurriculumService(RestTemplateBuilder restTemplateBuilder) { | |
54 | restTemplate = restTemplateBuilder.build(); | |
55 | } | |
56 | ||
57 | public static final String CURRICULUM_ENDPOINT = "https://api.ucsb.edu/academics/curriculums/v1/classes/search"; | |
58 | ||
59 | public static final String SUBJECTS_ENDPOINT = "https://api.ucsb.edu/students/lookups/v1/subjects"; | |
60 | ||
61 | public static final String SECTION_ENDPOINT = "https://api.ucsb.edu/academics/curriculums/v1/classsection/{quarter}/{enrollcode}"; | |
62 | ||
63 | public static final String ALL_SECTIONS_ENDPOINT = "https://api.ucsb.edu/academics/curriculums/v3/classes/{quarter}/{enrollcode}"; | |
64 | ||
65 | public String getJSON(String subjectArea, String quarter, String courseLevel) { | |
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 |
1
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 = String.format( | |
76 | "?quarter=%s&subjectCode=%s&objLevelCode=%s&pageNumber=%d&pageSize=%d&includeClassSections=%s", quarter, | |
77 | subjectArea, courseLevel, 1, 100, "true"); | |
78 | String url = CURRICULUM_ENDPOINT + params; | |
79 | ||
80 |
1
1. getJSON : negated conditional → KILLED |
if (courseLevel.equals("A")) { |
81 | params = String.format( | |
82 | "?quarter=%s&subjectCode=%s&pageNumber=%d&pageSize=%d&includeClassSections=%s", | |
83 | quarter, subjectArea, 1, 100, "true"); | |
84 | url = CURRICULUM_ENDPOINT + params; | |
85 | } | |
86 | ||
87 | log.info("url=" + url); | |
88 | ||
89 | String retVal = ""; | |
90 | MediaType contentType = null; | |
91 | HttpStatus statusCode = null; | |
92 | try { | |
93 | ResponseEntity<String> re = restTemplate.exchange(url, HttpMethod.GET, entity, String.class); | |
94 | contentType = re.getHeaders().getContentType(); | |
95 | statusCode = re.getStatusCode(); | |
96 | retVal = re.getBody(); | |
97 | } catch (HttpClientErrorException e) { | |
98 | retVal = "{\"error\": \"401: Unauthorized\"}"; | |
99 | } | |
100 | log.info("json: {} contentType: {} statusCode: {}", retVal, contentType, statusCode); | |
101 |
1
1. getJSON : replaced return value with "" for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getJSON → KILLED |
return retVal; |
102 | } | |
103 | ||
104 | public List<ConvertedSection> getConvertedSections(String subjectArea, String quarter, String courseLevel) | |
105 | throws JsonProcessingException { | |
106 | String json = getJSON(subjectArea, quarter, courseLevel); | |
107 | CoursePage coursePage = objectMapper.readValue(json, CoursePage.class); | |
108 | List<ConvertedSection> result = coursePage.convertedSections(); | |
109 |
1
1. getConvertedSections : replaced return value with Collections.emptyList for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getConvertedSections → KILLED |
return result; |
110 | } | |
111 | ||
112 | public String getSectionJSON(String subjectArea, String quarter, String courseLevel) | |
113 | throws JsonProcessingException { | |
114 | List<ConvertedSection> l = getConvertedSections(subjectArea, quarter, courseLevel); | |
115 | | |
116 | String arrayToJson = objectMapper.writeValueAsString(l); | |
117 | | |
118 |
1
1. getSectionJSON : replaced return value with "" for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getSectionJSON → KILLED |
return arrayToJson; |
119 | } | |
120 | | |
121 | public String getSubjectsJSON() { | |
122 | ||
123 | HttpHeaders headers = new HttpHeaders(); | |
124 |
1
1. getSubjectsJSON : removed call to org/springframework/http/HttpHeaders::setAccept → KILLED |
headers.setAccept(Arrays.asList(MediaType.APPLICATION_JSON)); |
125 |
1
1. getSubjectsJSON : removed call to org/springframework/http/HttpHeaders::setContentType → KILLED |
headers.setContentType(MediaType.APPLICATION_JSON); |
126 |
1
1. getSubjectsJSON : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-version", "1.0"); |
127 |
1
1. getSubjectsJSON : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-key", this.apiKey); |
128 | ||
129 | HttpEntity<String> entity = new HttpEntity<>("body", headers); | |
130 | ||
131 | log.info("url=" + SUBJECTS_ENDPOINT); | |
132 | ||
133 | String retVal = ""; | |
134 | MediaType contentType = null; | |
135 | HttpStatus statusCode = null; | |
136 | try { | |
137 | ResponseEntity<String> re = restTemplate.exchange(SUBJECTS_ENDPOINT, HttpMethod.GET, entity, String.class); | |
138 | contentType = re.getHeaders().getContentType(); | |
139 | statusCode = re.getStatusCode(); | |
140 | retVal = re.getBody(); | |
141 | } catch (HttpClientErrorException e) { | |
142 | retVal = "{\"error\": \"401: Unauthorized\"}"; | |
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 | |
150 | * enrollCode and quarter arguments, if such a section exists. | |
151 | */ | |
152 | public String getSection(String enrollCode, String quarter) { | |
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 | ||
165 | log.info("url=" + url); | |
166 | ||
167 | String urlTemplate = UriComponentsBuilder.fromHttpUrl(url) | |
168 | .queryParam("quarter", "{quarter}") | |
169 | .queryParam("enrollcode", "{enrollcode}") | |
170 | .encode() | |
171 | .toUriString(); | |
172 | ||
173 | Map<String, String> params = new HashMap<>(); | |
174 | params.put("quarter", quarter); | |
175 | params.put("enrollcode", enrollCode); | |
176 | ||
177 | String retVal = ""; | |
178 | MediaType contentType = null; | |
179 | HttpStatus statusCode = null; | |
180 | try { | |
181 | ResponseEntity<String> re = restTemplate.exchange(url, HttpMethod.GET, entity, String.class, params); | |
182 | contentType = re.getHeaders().getContentType(); | |
183 | statusCode = re.getStatusCode(); | |
184 | retVal = re.getBody(); | |
185 | } catch (HttpClientErrorException e) { | |
186 | retVal = "{\"error\": \"401: Unauthorized\"}"; | |
187 | } | |
188 | ||
189 |
1
1. getSection : negated conditional → KILLED |
if(retVal.equals("null")){ |
190 | retVal = "{\"error\": \"Enroll code doesn't exist in that quarter.\"}"; | |
191 | } | |
192 | ||
193 | log.info("json: {} contentType: {} statusCode: {}", retVal, contentType, statusCode); | |
194 |
1
1. getSection : replaced return value with "" for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getSection → KILLED |
return retVal; |
195 | } | |
196 | ||
197 | /** | |
198 | * This method retrieves all of the sections related to a certain | |
199 | * enroll code. For example, if the enrollCode is for a discussion | |
200 | * section, the lecture section and all related discussion sections | |
201 | * will also be returned. | |
202 | */ | |
203 | public String getAllSections(String enrollCode, String quarter) { | |
204 | ||
205 | HttpHeaders headers = new HttpHeaders(); | |
206 |
1
1. getAllSections : removed call to org/springframework/http/HttpHeaders::setAccept → KILLED |
headers.setAccept(Arrays.asList(MediaType.APPLICATION_JSON)); |
207 |
1
1. getAllSections : removed call to org/springframework/http/HttpHeaders::setContentType → KILLED |
headers.setContentType(MediaType.APPLICATION_JSON); |
208 |
1
1. getAllSections : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-version", "3.0"); |
209 |
1
1. getAllSections : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-key", this.apiKey); |
210 | ||
211 | HttpEntity<String> entity = new HttpEntity<>("body", headers); | |
212 | ||
213 | String url = ALL_SECTIONS_ENDPOINT; | |
214 | ||
215 | ||
216 | log.info("url=" + url); | |
217 | ||
218 | String urlTemplate = UriComponentsBuilder.fromHttpUrl(url) | |
219 | .queryParam("quarter", "{quarter}") | |
220 | .queryParam("enrollcode", "{enrollcode}") | |
221 | .encode() | |
222 | .toUriString(); | |
223 | ||
224 | Map<String, String> params = new HashMap<>(); | |
225 | params.put("quarter", quarter); | |
226 | params.put("enrollcode", enrollCode); | |
227 | ||
228 | String retVal = ""; | |
229 | MediaType contentType = null; | |
230 | HttpStatus statusCode = null; | |
231 | try { | |
232 | ResponseEntity<String> re = restTemplate.exchange(url, HttpMethod.GET, entity, String.class, params); | |
233 | contentType = re.getHeaders().getContentType(); | |
234 | statusCode = re.getStatusCode(); | |
235 | retVal = re.getBody(); | |
236 | } catch (HttpClientErrorException e) { | |
237 | retVal = "{\"error\": \"401: Unauthorized\"}"; | |
238 | } | |
239 | ||
240 |
1
1. getAllSections : negated conditional → KILLED |
if(retVal.equals("null")){ |
241 | retVal = "{\"error\": \"Enroll code doesn't exist in that quarter.\"}"; | |
242 | } | |
243 | ||
244 | log.info("json: {} contentType: {} statusCode: {}", retVal, contentType, statusCode); | |
245 |
1
1. getAllSections : replaced return value with "" for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getAllSections → KILLED |
return retVal; |
246 | } | |
247 | | |
248 | ||
249 | public String getJSONbyQtrEnrollCd(String quarter, String enrollCd) { | |
250 | ||
251 | HttpHeaders headers = new HttpHeaders(); | |
252 |
1
1. getJSONbyQtrEnrollCd : removed call to org/springframework/http/HttpHeaders::setAccept → KILLED |
headers.setAccept(Arrays.asList(MediaType.APPLICATION_JSON)); |
253 |
1
1. getJSONbyQtrEnrollCd : removed call to org/springframework/http/HttpHeaders::setContentType → KILLED |
headers.setContentType(MediaType.APPLICATION_JSON); |
254 |
1
1. getJSONbyQtrEnrollCd : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-version", "1.0"); |
255 |
1
1. getJSONbyQtrEnrollCd : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-key", this.apiKey); |
256 | ||
257 | HttpEntity<String> entity = new HttpEntity<>("body", headers); | |
258 | ||
259 | ||
260 | String url = "https://api.ucsb.edu/academics/curriculums/v3/classsection/" + quarter + "/" + enrollCd; | |
261 | ||
262 | log.info("url=" + url); | |
263 | ||
264 | String retVal = ""; | |
265 | MediaType contentType = null; | |
266 | HttpStatus statusCode = null; | |
267 | try { | |
268 | ResponseEntity<String> re = restTemplate.exchange(url, HttpMethod.GET, entity, String.class); | |
269 | contentType = re.getHeaders().getContentType(); | |
270 | statusCode = re.getStatusCode(); | |
271 | retVal = re.getBody(); | |
272 | } catch (HttpClientErrorException e) { | |
273 | retVal = "{\"error\": \"401: Unauthorized\"}"; | |
274 | } | |
275 | log.info("json: {} contentType: {} statusCode: {}", retVal, contentType, statusCode); | |
276 |
1
1. getJSONbyQtrEnrollCd : replaced return value with "" for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getJSONbyQtrEnrollCd → KILLED |
return retVal; |
277 | ||
278 | } | |
279 | ||
280 | } | |
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