| 1 | package edu.ucsb.cs156.happiercows.controllers; | |
| 2 | ||
| 3 | import com.fasterxml.jackson.core.JsonProcessingException; | |
| 4 | import com.fasterxml.jackson.databind.ObjectMapper; | |
| 5 | import edu.ucsb.cs156.happiercows.entities.Commons; | |
| 6 | import edu.ucsb.cs156.happiercows.entities.CommonsPlus; | |
| 7 | import edu.ucsb.cs156.happiercows.entities.User; | |
| 8 | import edu.ucsb.cs156.happiercows.entities.UserCommons; | |
| 9 | import edu.ucsb.cs156.happiercows.errors.EntityNotFoundException; | |
| 10 | import edu.ucsb.cs156.happiercows.models.CreateCommonsParams; | |
| 11 | import edu.ucsb.cs156.happiercows.models.HealthUpdateStrategyList; | |
| 12 | import edu.ucsb.cs156.happiercows.repositories.CommonsRepository; | |
| 13 | import edu.ucsb.cs156.happiercows.repositories.UserCommonsRepository; | |
| 14 | import edu.ucsb.cs156.happiercows.strategies.CowHealthUpdateStrategies; | |
| 15 | import io.swagger.v3.oas.annotations.tags.Tag; | |
| 16 | import io.swagger.v3.oas.annotations.Operation; | |
| 17 | import io.swagger.v3.oas.annotations.Parameter; | |
| 18 | import lombok.extern.slf4j.Slf4j; | |
| 19 | import org.springframework.beans.factory.annotation.Autowired; | |
| 20 | import org.springframework.http.HttpStatus; | |
| 21 | import org.springframework.http.ResponseEntity; | |
| 22 | import org.springframework.security.access.prepost.PreAuthorize; | |
| 23 | import org.springframework.web.bind.annotation.*; | |
| 24 | ||
| 25 | import java.util.ArrayList; | |
| 26 | import java.util.List; | |
| 27 | import java.util.Optional; | |
| 28 | import java.util.stream.Collectors; | |
| 29 | ||
| 30 | @Slf4j | |
| 31 | @Tag(name = "Commons") | |
| 32 | @RequestMapping("/api/commons") | |
| 33 | @RestController | |
| 34 | public class CommonsController extends ApiController { | |
| 35 |     @Autowired | |
| 36 |     private CommonsRepository commonsRepository; | |
| 37 | ||
| 38 |     @Autowired | |
| 39 |     private UserCommonsRepository userCommonsRepository; | |
| 40 | ||
| 41 |     @Autowired | |
| 42 |     ObjectMapper mapper; | |
| 43 | ||
| 44 |     @Operation(summary = "Get a list of all commons") | |
| 45 |     @GetMapping("/all") | |
| 46 |     public ResponseEntity<String> getCommons() throws JsonProcessingException { | |
| 47 |         log.info("getCommons()..."); | |
| 48 |         Iterable<Commons> commons = commonsRepository.findAll(); | |
| 49 |         String body = mapper.writeValueAsString(commons); | |
| 50 | 
1
1. getCommons : replaced return value with null for edu/ucsb/cs156/happiercows/controllers/CommonsController::getCommons → KILLED | 
        return ResponseEntity.ok().body(body); | 
| 51 |     } | |
| 52 | ||
| 53 |     @Operation(summary = "Get a list of all commons and number of cows/users") | |
| 54 |     @GetMapping("/allplus") | |
| 55 |     public ResponseEntity<String> getCommonsPlus() throws JsonProcessingException { | |
| 56 |         log.info("getCommonsPlus()..."); | |
| 57 |         Iterable<Commons> commonsListIter = commonsRepository.findAll(); | |
| 58 | ||
| 59 |         // convert Iterable to List for the purposes of using a Java Stream & lambda | |
| 60 |         // below | |
| 61 |         List<Commons> commonsList = new ArrayList<Commons>(); | |
| 62 | 
1
1. getCommonsPlus : removed call to java/lang/Iterable::forEach → KILLED | 
        commonsListIter.forEach(commonsList::add); | 
| 63 | ||
| 64 |         List<CommonsPlus> commonsPlusList1 = commonsList.stream() | |
| 65 | 
1
1. lambda$getCommonsPlus$0 : replaced return value with null for edu/ucsb/cs156/happiercows/controllers/CommonsController::lambda$getCommonsPlus$0 → KILLED | 
                .map(c -> toCommonsPlus(c)) | 
| 66 |                 .collect(Collectors.toList()); | |
| 67 | ||
| 68 |         ArrayList<CommonsPlus> commonsPlusList = new ArrayList<CommonsPlus>(commonsPlusList1); | |
| 69 | ||
| 70 |         String body = mapper.writeValueAsString(commonsPlusList); | |
| 71 | 
1
1. getCommonsPlus : replaced return value with null for edu/ucsb/cs156/happiercows/controllers/CommonsController::getCommonsPlus → KILLED | 
        return ResponseEntity.ok().body(body); | 
| 72 |     } | |
| 73 | ||
| 74 |     @Operation(summary = "Get the number of cows/users in a commons") | |
| 75 |     @PreAuthorize("hasRole('ROLE_USER')") | |
| 76 |     @GetMapping("/plus") | |
| 77 |     public CommonsPlus getCommonsPlusById( | |
| 78 |             @Parameter(name="id") @RequestParam long id) throws JsonProcessingException { | |
| 79 |                 CommonsPlus commonsPlus = toCommonsPlus(commonsRepository.findById(id) | |
| 80 | 
1
1. lambda$getCommonsPlusById$1 : replaced return value with null for edu/ucsb/cs156/happiercows/controllers/CommonsController::lambda$getCommonsPlusById$1 → KILLED | 
                .orElseThrow(() -> new EntityNotFoundException(Commons.class, id))); | 
| 81 | ||
| 82 | 
1
1. getCommonsPlusById : replaced return value with null for edu/ucsb/cs156/happiercows/controllers/CommonsController::getCommonsPlusById → KILLED | 
        return commonsPlus; | 
| 83 |     } | |
| 84 | ||
| 85 |     @Operation(summary = "Update a commons") | |
| 86 |     @PreAuthorize("hasRole('ROLE_ADMIN')") | |
| 87 |     @PutMapping("/update") | |
| 88 |     public ResponseEntity<String> updateCommons( | |
| 89 |             @Parameter(name="commons identifier") @RequestParam long id, | |
| 90 |             @Parameter(name="request body") @RequestBody CreateCommonsParams params | |
| 91 |     ) { | |
| 92 |         Optional<Commons> existing = commonsRepository.findById(id); | |
| 93 | ||
| 94 |         Commons updated; | |
| 95 |         HttpStatus status; | |
| 96 | ||
| 97 | 
1
1. updateCommons : negated conditional → KILLED | 
        if (existing.isPresent()) { | 
| 98 |             updated = existing.get(); | |
| 99 |             status = HttpStatus.NO_CONTENT; | |
| 100 |         } else { | |
| 101 |             updated = new Commons(); | |
| 102 |             status = HttpStatus.CREATED; | |
| 103 |         } | |
| 104 | ||
| 105 | 
1
1. updateCommons : removed call to edu/ucsb/cs156/happiercows/entities/Commons::setName → KILLED | 
        updated.setName(params.getName()); | 
| 106 | 
1
1. updateCommons : removed call to edu/ucsb/cs156/happiercows/entities/Commons::setCowPrice → KILLED | 
        updated.setCowPrice(params.getCowPrice()); | 
| 107 | 
1
1. updateCommons : removed call to edu/ucsb/cs156/happiercows/entities/Commons::setMilkPrice → KILLED | 
        updated.setMilkPrice(params.getMilkPrice()); | 
| 108 | 
1
1. updateCommons : removed call to edu/ucsb/cs156/happiercows/entities/Commons::setStartingBalance → KILLED | 
        updated.setStartingBalance(params.getStartingBalance()); | 
| 109 | 
1
1. updateCommons : removed call to edu/ucsb/cs156/happiercows/entities/Commons::setStartingDate → KILLED | 
        updated.setStartingDate(params.getStartingDate()); | 
| 110 | 
1
1. updateCommons : removed call to edu/ucsb/cs156/happiercows/entities/Commons::setShowLeaderboard → KILLED | 
        updated.setShowLeaderboard(params.getShowLeaderboard()); | 
| 111 | 
1
1. updateCommons : removed call to edu/ucsb/cs156/happiercows/entities/Commons::setDegradationRate → KILLED | 
        updated.setDegradationRate(params.getDegradationRate()); | 
| 112 | 
1
1. updateCommons : removed call to edu/ucsb/cs156/happiercows/entities/Commons::setCarryingCapacity → KILLED | 
        updated.setCarryingCapacity(params.getCarryingCapacity()); | 
| 113 | 
1
1. updateCommons : removed call to edu/ucsb/cs156/happiercows/entities/Commons::setCapacityPerUser → KILLED | 
        updated.setCapacityPerUser(params.getCapacityPerUser()); | 
| 114 | 
1
1. updateCommons : negated conditional → KILLED | 
        if (params.getAboveCapacityHealthUpdateStrategy() != null) { | 
| 115 | 
1
1. updateCommons : removed call to edu/ucsb/cs156/happiercows/entities/Commons::setAboveCapacityHealthUpdateStrategy → KILLED | 
            updated.setAboveCapacityHealthUpdateStrategy(CowHealthUpdateStrategies.valueOf(params.getAboveCapacityHealthUpdateStrategy())); | 
| 116 |         } | |
| 117 | 
1
1. updateCommons : negated conditional → KILLED | 
        if (params.getBelowCapacityHealthUpdateStrategy() != null) { | 
| 118 | 
1
1. updateCommons : removed call to edu/ucsb/cs156/happiercows/entities/Commons::setBelowCapacityHealthUpdateStrategy → KILLED | 
            updated.setBelowCapacityHealthUpdateStrategy(CowHealthUpdateStrategies.valueOf(params.getBelowCapacityHealthUpdateStrategy())); | 
| 119 |         } | |
| 120 | ||
| 121 | 
2
1. updateCommons : changed conditional boundary → KILLED 2. updateCommons : negated conditional → KILLED  | 
        if (params.getDegradationRate() < 0) { | 
| 122 |             throw new IllegalArgumentException("Degradation Rate cannot be negative"); | |
| 123 |         } | |
| 124 | ||
| 125 |         commonsRepository.save(updated); | |
| 126 | ||
| 127 | 
1
1. updateCommons : replaced return value with null for edu/ucsb/cs156/happiercows/controllers/CommonsController::updateCommons → KILLED | 
        return ResponseEntity.status(status).build(); | 
| 128 |     } | |
| 129 | ||
| 130 |     @Operation(summary = "Get a specific commons") | |
| 131 |     @PreAuthorize("hasRole('ROLE_USER')") | |
| 132 |     @GetMapping("") | |
| 133 |     public Commons getCommonsById( | |
| 134 |             @Parameter(name="id") @RequestParam Long id) throws JsonProcessingException { | |
| 135 | ||
| 136 |         Commons commons = commonsRepository.findById(id) | |
| 137 | 
1
1. lambda$getCommonsById$2 : replaced return value with null for edu/ucsb/cs156/happiercows/controllers/CommonsController::lambda$getCommonsById$2 → KILLED | 
                .orElseThrow(() -> new EntityNotFoundException(Commons.class, id)); | 
| 138 | ||
| 139 | 
1
1. getCommonsById : replaced return value with null for edu/ucsb/cs156/happiercows/controllers/CommonsController::getCommonsById → KILLED | 
        return commons; | 
| 140 |     } | |
| 141 | ||
| 142 |     @Operation(summary = "Create a new commons") | |
| 143 |     @PreAuthorize("hasRole('ROLE_ADMIN')") | |
| 144 |     @PostMapping(value = "/new", produces = "application/json") | |
| 145 |     public ResponseEntity<String> createCommons( | |
| 146 |             @Parameter(name="request body") @RequestBody CreateCommonsParams params | |
| 147 |     ) throws JsonProcessingException { | |
| 148 | ||
| 149 |         var builder = Commons.builder() | |
| 150 |                 .name(params.getName()) | |
| 151 |                 .cowPrice(params.getCowPrice()) | |
| 152 |                 .milkPrice(params.getMilkPrice()) | |
| 153 |                 .startingBalance(params.getStartingBalance()) | |
| 154 |                 .startingDate(params.getStartingDate()) | |
| 155 |                 .degradationRate(params.getDegradationRate()) | |
| 156 |                 .showLeaderboard(params.getShowLeaderboard()) | |
| 157 |                 .carryingCapacity(params.getCarryingCapacity()) | |
| 158 |                 .capacityPerUser(params.getCapacityPerUser()); | |
| 159 | ||
| 160 |         // ok to set null values for these, so old backend still works | |
| 161 | 
1
1. createCommons : negated conditional → KILLED | 
        if (params.getAboveCapacityHealthUpdateStrategy() != null) { | 
| 162 |             builder.aboveCapacityHealthUpdateStrategy(CowHealthUpdateStrategies.valueOf(params.getAboveCapacityHealthUpdateStrategy())); | |
| 163 |         } | |
| 164 | 
1
1. createCommons : negated conditional → KILLED | 
        if (params.getBelowCapacityHealthUpdateStrategy() != null) { | 
| 165 |             builder.belowCapacityHealthUpdateStrategy(CowHealthUpdateStrategies.valueOf(params.getBelowCapacityHealthUpdateStrategy())); | |
| 166 |         } | |
| 167 | ||
| 168 |         Commons commons = builder.build(); | |
| 169 | ||
| 170 | ||
| 171 |         // throw exception for degradation rate | |
| 172 | 
2
1. createCommons : changed conditional boundary → KILLED 2. createCommons : negated conditional → KILLED  | 
        if (params.getDegradationRate() < 0) { | 
| 173 |             throw new IllegalArgumentException("Degradation Rate cannot be negative"); | |
| 174 |         } | |
| 175 | ||
| 176 |         Commons saved = commonsRepository.save(commons); | |
| 177 |         String body = mapper.writeValueAsString(saved); | |
| 178 | ||
| 179 | 
1
1. createCommons : replaced return value with null for edu/ucsb/cs156/happiercows/controllers/CommonsController::createCommons → KILLED | 
        return ResponseEntity.ok().body(body); | 
| 180 |     } | |
| 181 | ||
| 182 | ||
| 183 |     @Operation(summary = "List all cow health update strategies") | |
| 184 |     @PreAuthorize("hasRole('ROLE_USER')") | |
| 185 |     @GetMapping("/all-health-update-strategies") | |
| 186 |     public ResponseEntity<String> listCowHealthUpdateStrategies() throws JsonProcessingException { | |
| 187 |         var result = HealthUpdateStrategyList.create(); | |
| 188 |         String body = mapper.writeValueAsString(result); | |
| 189 | 
1
1. listCowHealthUpdateStrategies : replaced return value with null for edu/ucsb/cs156/happiercows/controllers/CommonsController::listCowHealthUpdateStrategies → KILLED | 
        return ResponseEntity.ok().body(body); | 
| 190 |     } | |
| 191 | ||
| 192 |     @Operation(summary = "Join a commons") | |
| 193 |     @PreAuthorize("hasRole('ROLE_USER')") | |
| 194 |     @PostMapping(value = "/join", produces = "application/json") | |
| 195 |     public ResponseEntity<String> joinCommon( | |
| 196 |             @Parameter(name="commonsId") @RequestParam Long commonsId) throws Exception { | |
| 197 | ||
| 198 |         User u = getCurrentUser().getUser(); | |
| 199 |         Long userId = u.getId(); | |
| 200 |         String username = u.getFullName(); | |
| 201 | ||
| 202 |         Commons joinedCommons = commonsRepository.findById(commonsId) | |
| 203 | 
1
1. lambda$joinCommon$3 : replaced return value with null for edu/ucsb/cs156/happiercows/controllers/CommonsController::lambda$joinCommon$3 → KILLED | 
                .orElseThrow(() -> new EntityNotFoundException(Commons.class, commonsId)); | 
| 204 |         Optional<UserCommons> userCommonsLookup = userCommonsRepository.findByCommonsIdAndUserId(commonsId, userId); | |
| 205 | ||
| 206 | 
1
1. joinCommon : negated conditional → KILLED | 
        if (userCommonsLookup.isPresent()) { | 
| 207 |             // user is already a member of this commons | |
| 208 |             String body = mapper.writeValueAsString(joinedCommons); | |
| 209 | 
1
1. joinCommon : replaced return value with null for edu/ucsb/cs156/happiercows/controllers/CommonsController::joinCommon → KILLED | 
            return ResponseEntity.ok().body(body); | 
| 210 |         } | |
| 211 | ||
| 212 |         UserCommons uc = UserCommons.builder() | |
| 213 |                 .user(u) | |
| 214 |                 .commons(joinedCommons) | |
| 215 |                 .username(username) | |
| 216 |                 .totalWealth(joinedCommons.getStartingBalance()) | |
| 217 |                 .numOfCows(0) | |
| 218 |                 .cowHealth(100) | |
| 219 |                 .cowsBought(0) | |
| 220 |                 .cowsSold(0) | |
| 221 |                 .cowDeaths(0) | |
| 222 |                 .build(); | |
| 223 | ||
| 224 |         userCommonsRepository.save(uc); | |
| 225 | ||
| 226 | 
2
1. joinCommon : Replaced integer addition with subtraction → KILLED 2. joinCommon : removed call to edu/ucsb/cs156/happiercows/entities/Commons::setNumUsers → KILLED  | 
        joinedCommons.setNumUsers(joinedCommons.getNumUsers() + 1); | 
| 227 |         commonsRepository.save(joinedCommons); | |
| 228 | ||
| 229 |         String body = mapper.writeValueAsString(joinedCommons); | |
| 230 | 
1
1. joinCommon : replaced return value with null for edu/ucsb/cs156/happiercows/controllers/CommonsController::joinCommon → KILLED | 
        return ResponseEntity.ok().body(body); | 
| 231 |     } | |
| 232 | ||
| 233 |     @Operation(summary = "Delete a Commons") | |
| 234 |     @PreAuthorize("hasRole('ROLE_ADMIN')") | |
| 235 |     @DeleteMapping("") | |
| 236 |     public Object deleteCommons( | |
| 237 |             @Parameter(name="id") @RequestParam Long id) { | |
| 238 | ||
| 239 |         commonsRepository.findById(id) | |
| 240 | 
1
1. lambda$deleteCommons$4 : replaced return value with null for edu/ucsb/cs156/happiercows/controllers/CommonsController::lambda$deleteCommons$4 → KILLED | 
                .orElseThrow(() -> new EntityNotFoundException(Commons.class, id)); | 
| 241 | ||
| 242 | 
1
1. deleteCommons : removed call to edu/ucsb/cs156/happiercows/repositories/CommonsRepository::deleteById → KILLED | 
        commonsRepository.deleteById(id); | 
| 243 | ||
| 244 |         String responseString = String.format("commons with id %d deleted", id); | |
| 245 | 
1
1. deleteCommons : replaced return value with null for edu/ucsb/cs156/happiercows/controllers/CommonsController::deleteCommons → KILLED | 
        return genericMessage(responseString); | 
| 246 | ||
| 247 |     } | |
| 248 | ||
| 249 |     @Operation(summary="Delete a user from a commons") | |
| 250 |     @PreAuthorize("hasRole('ROLE_ADMIN')") | |
| 251 |     @DeleteMapping("/{commonsId}/users/{userId}") | |
| 252 |     public Object deleteUserFromCommon(@PathVariable("commonsId") Long commonsId, | |
| 253 |                                        @PathVariable("userId") Long userId) throws Exception { | |
| 254 | ||
| 255 |         UserCommons userCommons = userCommonsRepository.findByCommonsIdAndUserId(commonsId, userId) | |
| 256 | 
1
1. lambda$deleteUserFromCommon$5 : replaced return value with null for edu/ucsb/cs156/happiercows/controllers/CommonsController::lambda$deleteUserFromCommon$5 → KILLED | 
                .orElseThrow(() -> new EntityNotFoundException( | 
| 257 |                         UserCommons.class, "commonsId", commonsId, "userId", userId) | |
| 258 |                 ); | |
| 259 | ||
| 260 | 
1
1. deleteUserFromCommon : removed call to edu/ucsb/cs156/happiercows/repositories/UserCommonsRepository::delete → KILLED | 
        userCommonsRepository.delete(userCommons); | 
| 261 | ||
| 262 |         String responseString = String.format("user with id %d deleted from commons with id %d, %d users remain", userId, commonsId, commonsRepository.getNumUsers(commonsId).orElse(0)); | |
| 263 | ||
| 264 |         Commons exitedCommon = commonsRepository.findById(commonsId).orElse(null); | |
| 265 | ||
| 266 | 
2
1. deleteUserFromCommon : Replaced integer subtraction with addition → KILLED 2. deleteUserFromCommon : removed call to edu/ucsb/cs156/happiercows/entities/Commons::setNumUsers → KILLED  | 
        exitedCommon.setNumUsers(exitedCommon.getNumUsers() - 1); | 
| 267 |         commonsRepository.save(exitedCommon); | |
| 268 |          | |
| 269 | 
1
1. deleteUserFromCommon : replaced return value with null for edu/ucsb/cs156/happiercows/controllers/CommonsController::deleteUserFromCommon → KILLED | 
        return genericMessage(responseString); | 
| 270 |     } | |
| 271 | ||
| 272 |     public CommonsPlus toCommonsPlus(Commons c) { | |
| 273 |         Optional<Integer> numCows = commonsRepository.getNumCows(c.getId()); | |
| 274 |         Optional<Integer> numUsers = commonsRepository.getNumUsers(c.getId()); | |
| 275 | ||
| 276 | 
1
1. toCommonsPlus : replaced return value with null for edu/ucsb/cs156/happiercows/controllers/CommonsController::toCommonsPlus → KILLED | 
        return CommonsPlus.builder() | 
| 277 |                 .commons(c) | |
| 278 |                 .totalCows(numCows.orElse(0)) | |
| 279 |                 .totalUsers(numUsers.orElse(0)) | |
| 280 |                 .build(); | |
| 281 |     } | |
| 282 | } | |
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