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.springframework.beans.factory.annotation.Autowired; | |
11 | import org.springframework.beans.factory.annotation.Value; | |
12 | import org.springframework.boot.web.client.RestTemplateBuilder; | |
13 | import org.springframework.http.HttpEntity; | |
14 | import org.springframework.http.HttpHeaders; | |
15 | import org.springframework.http.HttpMethod; | |
16 | import org.springframework.http.HttpStatus; | |
17 | import org.springframework.http.MediaType; | |
18 | import org.springframework.http.ResponseEntity; | |
19 | import org.springframework.stereotype.Service; | |
20 | import org.springframework.web.client.HttpClientErrorException; | |
21 | import org.springframework.web.client.RestTemplate; | |
22 | ||
23 | import edu.ucsb.cs156.courses.documents.ConvertedSection; | |
24 | import edu.ucsb.cs156.courses.documents.Course; | |
25 | import edu.ucsb.cs156.courses.documents.CourseInfo; | |
26 | import edu.ucsb.cs156.courses.documents.CoursePage; | |
27 | import edu.ucsb.cs156.courses.documents.Section; | |
28 | import lombok.extern.slf4j.Slf4j; | |
29 | ||
30 | import org.springframework.web.util.UriComponentsBuilder; | |
31 | import java.util.Map; | |
32 | import java.util.HashMap; | |
33 | ||
34 | import java.io.*; | |
35 | ||
36 | /** | |
37 | * Service object that wraps the UCSB Academic Curriculum API | |
38 | */ | |
39 | @Service | |
40 | @Slf4j | |
41 | public class UCSBCurriculumService { | |
42 | ||
43 | @Autowired | |
44 | private ObjectMapper objectMapper; | |
45 | ||
46 | @Value("${app.ucsb.api.consumer_key}") | |
47 | private String apiKey; | |
48 | ||
49 | private RestTemplate restTemplate = new RestTemplate(); | |
50 | ||
51 | public UCSBCurriculumService(RestTemplateBuilder restTemplateBuilder) { | |
52 | restTemplate = restTemplateBuilder.build(); | |
53 | } | |
54 | ||
55 | public static final String CURRICULUM_ENDPOINT = "https://api.ucsb.edu/academics/curriculums/v1/classes/search"; | |
56 | ||
57 | public static final String SUBJECTS_ENDPOINT = "https://api.ucsb.edu/students/lookups/v1/subjects"; | |
58 | ||
59 | public static final String SECTION_ENDPOINT = "https://api.ucsb.edu/academics/curriculums/v1/classsection/{quarter}/{enrollcode}"; | |
60 | ||
61 | public static final String ALL_SECTIONS_ENDPOINT = "https://api.ucsb.edu/academics/curriculums/v3/classes/{quarter}/{enrollcode}"; | |
62 | ||
63 | public String getJSON(String subjectArea, String quarter, String courseLevel) { | |
64 | ||
65 | HttpHeaders headers = new HttpHeaders(); | |
66 |
1
1. getJSON : removed call to org/springframework/http/HttpHeaders::setAccept → KILLED |
headers.setAccept(Arrays.asList(MediaType.APPLICATION_JSON)); |
67 |
1
1. getJSON : removed call to org/springframework/http/HttpHeaders::setContentType → KILLED |
headers.setContentType(MediaType.APPLICATION_JSON); |
68 |
1
1. getJSON : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-version", "1.0"); |
69 |
1
1. getJSON : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-key", this.apiKey); |
70 | ||
71 | HttpEntity<String> entity = new HttpEntity<>("body", headers); | |
72 | ||
73 | String params = String.format( | |
74 | "?quarter=%s&subjectCode=%s&objLevelCode=%s&pageNumber=%d&pageSize=%d&includeClassSections=%s", quarter, | |
75 | subjectArea, courseLevel, 1, 100, "true"); | |
76 | String url = CURRICULUM_ENDPOINT + params; | |
77 | ||
78 |
1
1. getJSON : negated conditional → KILLED |
if (courseLevel.equals("A")) { |
79 | params = String.format( | |
80 | "?quarter=%s&subjectCode=%s&pageNumber=%d&pageSize=%d&includeClassSections=%s", | |
81 | quarter, subjectArea, 1, 100, "true"); | |
82 | url = CURRICULUM_ENDPOINT + params; | |
83 | } | |
84 | ||
85 | log.info("url=" + url); | |
86 | ||
87 | String retVal = ""; | |
88 | MediaType contentType = null; | |
89 | HttpStatus statusCode = null; | |
90 | try { | |
91 | ResponseEntity<String> re = restTemplate.exchange(url, HttpMethod.GET, entity, String.class); | |
92 | contentType = re.getHeaders().getContentType(); | |
93 | statusCode = re.getStatusCode(); | |
94 | retVal = re.getBody(); | |
95 | } catch (HttpClientErrorException e) { | |
96 | retVal = "{\"error\": \"401: Unauthorized\"}"; | |
97 | } | |
98 | log.info("json: {} contentType: {} statusCode: {}", retVal, contentType, statusCode); | |
99 |
1
1. getJSON : replaced return value with "" for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getJSON → KILLED |
return retVal; |
100 | } | |
101 | ||
102 | public List<ConvertedSection> getConvertedSections(String subjectArea, String quarter, String courseLevel) | |
103 | throws JsonProcessingException { | |
104 | String json = getJSON(subjectArea, quarter, courseLevel); | |
105 | CoursePage coursePage = objectMapper.readValue(json, CoursePage.class); | |
106 | List<ConvertedSection> result = coursePage.convertedSections(); | |
107 |
1
1. getConvertedSections : replaced return value with Collections.emptyList for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getConvertedSections → KILLED |
return result; |
108 | } | |
109 | ||
110 | public String getSectionJSON(String subjectArea, String quarter, String courseLevel) | |
111 | throws JsonProcessingException { | |
112 | List<ConvertedSection> l = getConvertedSections(subjectArea, quarter, courseLevel); | |
113 | | |
114 | String arrayToJson = objectMapper.writeValueAsString(l); | |
115 | | |
116 |
1
1. getSectionJSON : replaced return value with "" for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getSectionJSON → KILLED |
return arrayToJson; |
117 | } | |
118 | | |
119 | public String getSubjectsJSON() { | |
120 | ||
121 | HttpHeaders headers = new HttpHeaders(); | |
122 |
1
1. getSubjectsJSON : removed call to org/springframework/http/HttpHeaders::setAccept → KILLED |
headers.setAccept(Arrays.asList(MediaType.APPLICATION_JSON)); |
123 |
1
1. getSubjectsJSON : removed call to org/springframework/http/HttpHeaders::setContentType → KILLED |
headers.setContentType(MediaType.APPLICATION_JSON); |
124 |
1
1. getSubjectsJSON : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-version", "1.0"); |
125 |
1
1. getSubjectsJSON : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-key", this.apiKey); |
126 | ||
127 | HttpEntity<String> entity = new HttpEntity<>("body", headers); | |
128 | ||
129 | log.info("url=" + SUBJECTS_ENDPOINT); | |
130 | ||
131 | String retVal = ""; | |
132 | MediaType contentType = null; | |
133 | HttpStatus statusCode = null; | |
134 | try { | |
135 | ResponseEntity<String> re = restTemplate.exchange(SUBJECTS_ENDPOINT, HttpMethod.GET, entity, String.class); | |
136 | contentType = re.getHeaders().getContentType(); | |
137 | statusCode = re.getStatusCode(); | |
138 | retVal = re.getBody(); | |
139 | } catch (HttpClientErrorException e) { | |
140 | retVal = "{\"error\": \"401: Unauthorized\"}"; | |
141 | } | |
142 | log.info("json: {} contentType: {} statusCode: {}", retVal, contentType, statusCode); | |
143 |
1
1. getSubjectsJSON : replaced return value with "" for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getSubjectsJSON → KILLED |
return retVal; |
144 | } | |
145 | ||
146 | /** | |
147 | * This method retrieves exactly one section matching the | |
148 | * enrollCode and quarter arguments, if such a section exists. | |
149 | */ | |
150 | public String getSection(String enrollCode, String quarter) { | |
151 | ||
152 | HttpHeaders headers = new HttpHeaders(); | |
153 |
1
1. getSection : removed call to org/springframework/http/HttpHeaders::setAccept → KILLED |
headers.setAccept(Arrays.asList(MediaType.APPLICATION_JSON)); |
154 |
1
1. getSection : removed call to org/springframework/http/HttpHeaders::setContentType → KILLED |
headers.setContentType(MediaType.APPLICATION_JSON); |
155 |
1
1. getSection : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-version", "1.0"); |
156 |
1
1. getSection : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-key", this.apiKey); |
157 | ||
158 | HttpEntity<String> entity = new HttpEntity<>("body", headers); | |
159 | ||
160 | String url = SECTION_ENDPOINT; | |
161 | ||
162 | ||
163 | log.info("url=" + url); | |
164 | ||
165 | String urlTemplate = UriComponentsBuilder.fromHttpUrl(url) | |
166 | .queryParam("quarter", "{quarter}") | |
167 | .queryParam("enrollcode", "{enrollcode}") | |
168 | .encode() | |
169 | .toUriString(); | |
170 | ||
171 | Map<String, String> params = new HashMap<>(); | |
172 | params.put("quarter", quarter); | |
173 | params.put("enrollcode", enrollCode); | |
174 | ||
175 | String retVal = ""; | |
176 | MediaType contentType = null; | |
177 | HttpStatus statusCode = null; | |
178 | try { | |
179 | ResponseEntity<String> re = restTemplate.exchange(url, HttpMethod.GET, entity, String.class, params); | |
180 | contentType = re.getHeaders().getContentType(); | |
181 | statusCode = re.getStatusCode(); | |
182 | retVal = re.getBody(); | |
183 | } catch (HttpClientErrorException e) { | |
184 | retVal = "{\"error\": \"401: Unauthorized\"}"; | |
185 | } | |
186 | ||
187 |
1
1. getSection : negated conditional → KILLED |
if(retVal.equals("null")){ |
188 | retVal = "{\"error\": \"Enroll code doesn't exist in that quarter.\"}"; | |
189 | } | |
190 | ||
191 | log.info("json: {} contentType: {} statusCode: {}", retVal, contentType, statusCode); | |
192 |
1
1. getSection : replaced return value with "" for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getSection → KILLED |
return retVal; |
193 | } | |
194 | ||
195 | /** | |
196 | * This method retrieves all of the sections related to a certain | |
197 | * enroll code. For example, if the enrollCode is for a discussion | |
198 | * section, the lecture section and all related discussion sections | |
199 | * will also be returned. | |
200 | */ | |
201 | public String getAllSections(String enrollCode, String quarter) { | |
202 | ||
203 | HttpHeaders headers = new HttpHeaders(); | |
204 |
1
1. getAllSections : removed call to org/springframework/http/HttpHeaders::setAccept → KILLED |
headers.setAccept(Arrays.asList(MediaType.APPLICATION_JSON)); |
205 |
1
1. getAllSections : removed call to org/springframework/http/HttpHeaders::setContentType → KILLED |
headers.setContentType(MediaType.APPLICATION_JSON); |
206 |
1
1. getAllSections : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-version", "3.0"); |
207 |
1
1. getAllSections : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-key", this.apiKey); |
208 | ||
209 | HttpEntity<String> entity = new HttpEntity<>("body", headers); | |
210 | ||
211 | String url = ALL_SECTIONS_ENDPOINT; | |
212 | ||
213 | ||
214 | log.info("url=" + url); | |
215 | ||
216 | String urlTemplate = UriComponentsBuilder.fromHttpUrl(url) | |
217 | .queryParam("quarter", "{quarter}") | |
218 | .queryParam("enrollcode", "{enrollcode}") | |
219 | .encode() | |
220 | .toUriString(); | |
221 | ||
222 | Map<String, String> params = new HashMap<>(); | |
223 | params.put("quarter", quarter); | |
224 | params.put("enrollcode", enrollCode); | |
225 | ||
226 | String retVal = ""; | |
227 | MediaType contentType = null; | |
228 | HttpStatus statusCode = null; | |
229 | try { | |
230 | ResponseEntity<String> re = restTemplate.exchange(url, HttpMethod.GET, entity, String.class, params); | |
231 | contentType = re.getHeaders().getContentType(); | |
232 | statusCode = re.getStatusCode(); | |
233 | retVal = re.getBody(); | |
234 | } catch (HttpClientErrorException e) { | |
235 | retVal = "{\"error\": \"401: Unauthorized\"}"; | |
236 | } | |
237 | ||
238 |
1
1. getAllSections : negated conditional → KILLED |
if(retVal.equals("null")){ |
239 | retVal = "{\"error\": \"Enroll code doesn't exist in that quarter.\"}"; | |
240 | } | |
241 | ||
242 | log.info("json: {} contentType: {} statusCode: {}", retVal, contentType, statusCode); | |
243 |
1
1. getAllSections : replaced return value with "" for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getAllSections → KILLED |
return retVal; |
244 | } | |
245 | | |
246 | ||
247 | public String getJSONbyQtrEnrollCd(String quarter, String enrollCd) { | |
248 | ||
249 | HttpHeaders headers = new HttpHeaders(); | |
250 |
1
1. getJSONbyQtrEnrollCd : removed call to org/springframework/http/HttpHeaders::setAccept → KILLED |
headers.setAccept(Arrays.asList(MediaType.APPLICATION_JSON)); |
251 |
1
1. getJSONbyQtrEnrollCd : removed call to org/springframework/http/HttpHeaders::setContentType → KILLED |
headers.setContentType(MediaType.APPLICATION_JSON); |
252 |
1
1. getJSONbyQtrEnrollCd : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-version", "1.0"); |
253 |
1
1. getJSONbyQtrEnrollCd : removed call to org/springframework/http/HttpHeaders::set → KILLED |
headers.set("ucsb-api-key", this.apiKey); |
254 | ||
255 | HttpEntity<String> entity = new HttpEntity<>("body", headers); | |
256 | ||
257 | ||
258 | String url = "https://api.ucsb.edu/academics/curriculums/v3/classsection/" + quarter + "/" + enrollCd; | |
259 | ||
260 | log.info("url=" + url); | |
261 | ||
262 | String retVal = ""; | |
263 | MediaType contentType = null; | |
264 | HttpStatus statusCode = null; | |
265 | try { | |
266 | ResponseEntity<String> re = restTemplate.exchange(url, HttpMethod.GET, entity, String.class); | |
267 | contentType = re.getHeaders().getContentType(); | |
268 | statusCode = re.getStatusCode(); | |
269 | retVal = re.getBody(); | |
270 | } catch (HttpClientErrorException e) { | |
271 | retVal = "{\"error\": \"401: Unauthorized\"}"; | |
272 | } | |
273 | log.info("json: {} contentType: {} statusCode: {}", retVal, contentType, statusCode); | |
274 |
1
1. getJSONbyQtrEnrollCd : replaced return value with "" for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getJSONbyQtrEnrollCd → KILLED |
return retVal; |
275 | ||
276 | } | |
277 | ||
278 | } | |
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