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| 1 | <?php |
| 2 | |
| 3 | namespace App\Http\Controllers\Api\v1; |
| 4 | |
| 5 | use App\Http\Controllers\Controller; |
| 6 | use App\Models\Joke; |
| 7 | use App\Models\Vote; |
| 8 | use App\Models\User; |
| 9 | use App\Responses\ApiResponse; |
| 10 | use Illuminate\Http\Request; |
| 11 | use Illuminate\Http\JsonResponse; |
| 12 | use Illuminate\Support\Facades\Gate; |
| 13 | use Illuminate\Validation\Rule; |
| 14 | |
| 15 | /** |
| 16 | * VoteController |
| 17 | * |
| 18 | * Handles all vote-related API operations including voting on jokes, |
| 19 | * removing votes, and administrative vote management. Implements |
| 20 | * ownership-based permissions where users can manage their own votes, |
| 21 | * while staff+ can manage all votes. |
| 22 | * |
| 23 | * @package App\Http\Controllers\Api\v1 |
| 24 | * @author Ting Liu |
| 25 | * @version 1.0.0 |
| 26 | * @since 2025-10-04 |
| 27 | * |
| 28 | * @method JsonResponse vote(Request $request, string $jokeId) Vote on a joke (like/dislike) |
| 29 | * @method JsonResponse removeVote(string $jokeId) Remove vote from a joke |
| 30 | * @method JsonResponse clearUserVotes(string $userId) Clear all votes for a specific user (admin) |
| 31 | * @method JsonResponse clearAllVotes() Clear all votes in the system (admin) |
| 32 | * |
| 33 | * @see \App\Responses\ApiResponse For standardized JSON responses |
| 34 | */ |
| 35 | class VoteController extends Controller |
| 36 | { |
| 37 | /** |
| 38 | * Vote on a joke (like or dislike). |
| 39 | * |
| 40 | * Allows authenticated users to vote on jokes with a rating of +1 (like) |
| 41 | * or -1 (dislike). Users can only vote once per joke, and updating a vote |
| 42 | * will replace the previous vote. Implements proper validation and |
| 43 | * ownership tracking. |
| 44 | * |
| 45 | * @param Request $request The HTTP request containing: |
| 46 | * - rating (required): Vote rating (+1 for like, -1 for dislike) |
| 47 | * @param string $jokeId The joke ID to vote on |
| 48 | * |
| 49 | * @return JsonResponse Standardized JSON response containing: |
| 50 | * - success: boolean indicating operation success |
| 51 | * - message: Human-readable status message |
| 52 | * - data: Object containing the vote information |
| 53 | * |
| 54 | * @throws \Illuminate\Http\Exceptions\HttpResponseException When joke not found or user lacks vote permissions |
| 55 | * @throws \Illuminate\Validation\ValidationException When validation fails |
| 56 | * |
| 57 | * @api POST /api/v1/jokes/{joke}/vote |
| 58 | * @permission votes.create (User level 100+) |
| 59 | */ |
| 60 | public function vote(Request $request, string $jokeId): JsonResponse |
| 61 | { |
| 62 | // Check if user can vote (User level 100+) |
| 63 | if (!Gate::allows('create', Vote::class)) { |
| 64 | return ApiResponse::error(null, 'Unauthorized to vote', 403); |
| 65 | } |
| 66 | |
| 67 | $joke = Joke::find($jokeId); |
| 68 | |
| 69 | if (!$joke) { |
| 70 | return ApiResponse::error(null, "Joke not found", 404); |
| 71 | } |
| 72 | |
| 73 | // Check if user can vote on this specific joke |
| 74 | if (!Gate::forUser(request()->user())->allows('voteOnJoke', $joke)) { |
| 75 | return ApiResponse::error(null, "Joke not found", 404); |
| 76 | } |
| 77 | |
| 78 | $request->validate([ |
| 79 | 'rating' => ['required', 'integer', Rule::in([1, -1])], |
| 80 | ]); |
| 81 | |
| 82 | $userId = request()->user()->id; |
| 83 | |
| 84 | // Check if user has already voted on this joke |
| 85 | $existingVote = Vote::where('user_id', $userId) |
| 86 | ->where('joke_id', $jokeId) |
| 87 | ->first(); |
| 88 | |
| 89 | if ($existingVote) { |
| 90 | // Update existing vote |
| 91 | $existingVote->update(['rating' => $request->rating]); |
| 92 | $vote = $existingVote; |
| 93 | $message = 'Vote updated successfully'; |
| 94 | $statusCode = 200; |
| 95 | } else { |
| 96 | // Create new vote |
| 97 | $vote = Vote::create([ |
| 98 | 'user_id' => $userId, |
| 99 | 'joke_id' => $jokeId, |
| 100 | 'rating' => $request->rating, |
| 101 | ]); |
| 102 | $message = 'Vote created successfully'; |
| 103 | $statusCode = 201; |
| 104 | } |
| 105 | |
| 106 | $vote->load(['user', 'joke']); |
| 107 | |
| 108 | return ApiResponse::success(['vote' => $vote], $message, $statusCode); |
| 109 | } |
| 110 | |
| 111 | /** |
| 112 | * Remove vote from a joke. |
| 113 | * |
| 114 | * Allows authenticated users to remove their vote from a specific joke. |
| 115 | * Users can only remove their own votes, while staff+ can remove any vote. |
| 116 | * Implements proper authorization and ownership validation. |
| 117 | * |
| 118 | * @param string $jokeId The joke ID to remove vote from |
| 119 | * |
| 120 | * @return JsonResponse Standardized JSON response containing: |
| 121 | * - success: boolean indicating operation success |
| 122 | * - message: Human-readable status message |
| 123 | * - data: null (vote is removed) |
| 124 | * |
| 125 | * @throws \Illuminate\Http\Exceptions\HttpResponseException When joke not found or user lacks delete permissions |
| 126 | * |
| 127 | * @api DELETE /api/v1/jokes/{joke}/vote |
| 128 | * @permission votes.delete (User level 100+ for own votes, Staff+ for any vote) |
| 129 | */ |
| 130 | public function removeVote(string $jokeId): JsonResponse |
| 131 | { |
| 132 | // Check if user can delete votes (User level 100+) |
| 133 | if (!Gate::allows('viewAny', Vote::class)) { |
| 134 | return ApiResponse::error(null, 'Unauthorized to remove votes', 403); |
| 135 | } |
| 136 | |
| 137 | $joke = Joke::find($jokeId); |
| 138 | |
| 139 | if (!$joke) { |
| 140 | return ApiResponse::error(null, "Joke not found", 404); |
| 141 | } |
| 142 | |
| 143 | $currentUser = request()->user(); |
| 144 | |
| 145 | // Find the vote for this joke |
| 146 | $vote = Vote::where('joke_id', $jokeId)->first(); |
| 147 | |
| 148 | if (!$vote) { |
| 149 | return ApiResponse::error(null, "No vote found for this joke", 404); |
| 150 | } |
| 151 | |
| 152 | // Check if user can delete this specific vote |
| 153 | if (!Gate::allows('delete', $vote)) { |
| 154 | return ApiResponse::error(null, "No vote found for this joke", 404); |
| 155 | } |
| 156 | |
| 157 | $vote->delete(); |
| 158 | |
| 159 | return ApiResponse::success(null, 'Vote removed successfully'); |
| 160 | } |
| 161 | |
| 162 | /** |
| 163 | * Clear all votes for a specific user (admin only). |
| 164 | * |
| 165 | * Allows staff+ level users to clear all votes for a specific user. |
| 166 | * This is useful for administrative purposes or when cleaning up |
| 167 | * user data. Implements proper permission validation. |
| 168 | * |
| 169 | * @param string $userId The user ID to clear votes for |
| 170 | * |
| 171 | * @return JsonResponse Standardized JSON response containing: |
| 172 | * - success: boolean indicating operation success |
| 173 | * - message: Human-readable status message |
| 174 | * - data: Object containing the count of cleared votes |
| 175 | * |
| 176 | * @throws \Illuminate\Http\Exceptions\HttpResponseException When user not found or lacks clear permissions |
| 177 | * |
| 178 | * @api DELETE /api/v1/users/{user}/votes |
| 179 | * @permission votes.clear-user (Staff level 500+) |
| 180 | */ |
| 181 | public function clearUserVotes(string $userId): JsonResponse |
| 182 | { |
| 183 | $currentUser = request()->user(); |
| 184 | $user = User::find($userId); |
| 185 | |
| 186 | if (!$user) { |
| 187 | return ApiResponse::error(null, "User not found", 404); |
| 188 | } |
| 189 | |
| 190 | // Check if user can clear votes for this user (Staff level 500+) |
| 191 | if (!Gate::allows('clearUserVotes', $user)) { |
| 192 | return ApiResponse::error(null, 'Unauthorized to clear user votes', 403); |
| 193 | } |
| 194 | |
| 195 | $voteCount = Vote::where('user_id', $userId)->count(); |
| 196 | Vote::where('user_id', $userId)->delete(); |
| 197 | |
| 198 | return ApiResponse::success( |
| 199 | ['cleared_votes_count' => $voteCount], |
| 200 | "Cleared {$voteCount} votes for user" |
| 201 | ); |
| 202 | } |
| 203 | |
| 204 | /** |
| 205 | * Clear all votes in the system (admin only). |
| 206 | * |
| 207 | * Allows admin+ level users to clear all votes in the system. |
| 208 | * This is a powerful administrative function that should be used |
| 209 | * with caution as it affects all users' voting data. |
| 210 | * |
| 211 | * @return JsonResponse Standardized JSON response containing: |
| 212 | * - success: boolean indicating operation success |
| 213 | * - message: Human-readable status message |
| 214 | * - data: Object containing the count of cleared votes |
| 215 | * |
| 216 | * @throws \Illuminate\Http\Exceptions\HttpResponseException When user lacks clear all permissions |
| 217 | * |
| 218 | * @api DELETE /api/v1/votes |
| 219 | * @permission votes.clear-all (Admin level 750+) |
| 220 | * @warning This action affects all users' voting data |
| 221 | */ |
| 222 | public function clearAllVotes(): JsonResponse |
| 223 | { |
| 224 | $currentUser = request()->user(); |
| 225 | |
| 226 | // Check if user can clear all votes (Admin level 750+) |
| 227 | if (!Gate::allows('clearAllVotes', Vote::class)) { |
| 228 | return ApiResponse::error(null, 'Unauthorized to clear all votes', 403); |
| 229 | } |
| 230 | |
| 231 | $voteCount = Vote::count(); |
| 232 | Vote::truncate(); |
| 233 | |
| 234 | return ApiResponse::success( |
| 235 | ['cleared_votes_count' => $voteCount], |
| 236 | "Cleared {$voteCount} votes from the system" |
| 237 | ); |
| 238 | } |
| 239 | |
| 240 | } |