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 = (HttpStatus) 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 = (HttpStatus) 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 = (HttpStatus) 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 = (HttpStatus) 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 = (HttpStatus) 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 |
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1. getJSONbyQtrEnrollCd : replaced return value with "" for edu/ucsb/cs156/courses/services/UCSBCurriculumService::getJSONbyQtrEnrollCd → KILLED |
return retVal; |
270 | } | |
271 | } | |
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