no message

2026-06-11 12:15:29 +08:00
parent 10ebe39c30
commit 96efa1d905
5859 changed files with 815501 additions and 5 deletions
@@ -0,0 +1,196 @@
+<?php
+
+namespace app\api\logic;
+
+use app\common\logic\BaseLogic;
+use app\common\model\article\Article;
+use app\common\model\article\ArticleComment;
+use app\common\model\article\ArticleVote;
+use app\common\model\user\User;
+use think\facade\Db;
+
+/**
+ * 文章互动逻辑(评论/点赞/踩)
+ * Class ArticleInteractLogic
+ * @package app\api\logic
+ */
+class ArticleInteractLogic extends BaseLogic
+{
+    /**
+     * @notes 评论列表
+     */
+    public static function commentList($articleId, $pageNo = 1, $pageSize = 15)
+    {
+        $where = [
+            'article_id' => $articleId,
+            'parent_id' => 0,
+            'is_show' => 1,
+        ];
+
+        $count = ArticleComment::where($where)->count();
+
+        $list = ArticleComment::where($where)
+            ->order('id', 'desc')
+            ->page($pageNo, $pageSize)
+            ->select()
+            ->toArray();
+
+        $userIds = array_column($list, 'user_id');
+
+        // 取子评论的user_id
+        $commentIds = array_column($list, 'id');
+        $replies = [];
+        if (!empty($commentIds)) {
+            $repliesRaw = ArticleComment::where('parent_id', 'in', $commentIds)
+                ->where('is_show', 1)
+                ->order('id', 'asc')
+                ->select()
+                ->toArray();
+            $replyUserIds = array_column($repliesRaw, 'user_id');
+            $replyTargetUserIds = array_column($repliesRaw, 'reply_user_id');
+            $userIds = array_merge($userIds, $replyUserIds, $replyTargetUserIds);
+
+            foreach ($repliesRaw as $r) {
+                $replies[$r['parent_id']][] = $r;
+            }
+        }
+
+        // 批量获取用户信息
+        $userIds = array_unique(array_filter($userIds));
+        $users = [];
+        if (!empty($userIds)) {
+            $usersRaw = User::whereIn('id', $userIds)
+                ->field('id,nickname,avatar')
+                ->select()
+                ->toArray();
+            foreach ($usersRaw as $u) {
+                $users[$u['id']] = $u;
+            }
+        }
+
+        $defaultUser = ['nickname' => '匿名用户', 'avatar' => ''];
+
+        foreach ($list as &$item) {
+            $u = $users[$item['user_id']] ?? $defaultUser;
+            $item['nickname'] = $u['nickname'];
+            $item['avatar'] = $u['avatar'];
+            $item['reply_list'] = [];
+
+            if (isset($replies[$item['id']])) {
+                foreach ($replies[$item['id']] as $reply) {
+                    $ru = $users[$reply['user_id']] ?? $defaultUser;
+                    $reply['nickname'] = $ru['nickname'];
+                    $reply['avatar'] = $ru['avatar'];
+                    $reply['reply_nickname'] = '';
+                    if ($reply['reply_user_id'] > 0) {
+                        $tu = $users[$reply['reply_user_id']] ?? $defaultUser;
+                        $reply['reply_nickname'] = $tu['nickname'];
+                    }
+                    $item['reply_list'][] = $reply;
+                }
+            }
+        }
+        unset($item);
+
+        return [
+            'count' => $count,
+            'lists' => $list,
+            'page_no' => $pageNo,
+            'page_size' => $pageSize,
+        ];
+    }
+
+    /**
+     * @notes 发布评论
+     */
+    public static function addComment($userId, $params)
+    {
+        Db::startTrans();
+        try {
+            $comment = ArticleComment::create([
+                'article_id' => $params['article_id'],
+                'user_id' => $userId,
+                'parent_id' => $params['parent_id'] ?? 0,
+                'reply_user_id' => $params['reply_user_id'] ?? 0,
+                'content' => $params['content'],
+            ]);
+
+            Article::where('id', $params['article_id'])
+                ->inc('comment_count')
+                ->update();
+
+            Db::commit();
+            return $comment->id;
+        } catch (\Exception $e) {
+            Db::rollback();
+            self::setError($e->getMessage());
+            return false;
+        }
+    }
+
+    /**
+     * @notes 点赞/踩
+     */
+    public static function vote($userId, $articleId, $voteType)
+    {
+        Db::startTrans();
+        try {
+            $existing = ArticleVote::where([
+                'article_id' => $articleId,
+                'user_id' => $userId,
+            ])->findOrEmpty();
+
+            if (!$existing->isEmpty()) {
+                if ($existing->vote_type == $voteType) {
+                    // 取消
+                    $field = $voteType == ArticleVote::VOTE_LIKE ? 'like_count' : 'dislike_count';
+                    $existing->delete();
+                    Article::where('id', $articleId)->where($field, '>', 0)->dec($field)->update();
+                    Db::commit();
+                    return ['action' => 'cancel', 'vote_type' => $voteType];
+                } else {
+                    // 切换: 旧的减，新的加
+                    $oldField = $existing->vote_type == ArticleVote::VOTE_LIKE ? 'like_count' : 'dislike_count';
+                    $newField = $voteType == ArticleVote::VOTE_LIKE ? 'like_count' : 'dislike_count';
+                    $existing->vote_type = $voteType;
+                    $existing->save();
+                    Article::where('id', $articleId)->where($oldField, '>', 0)->dec($oldField)->update();
+                    Article::where('id', $articleId)->inc($newField)->update();
+                    Db::commit();
+                    return ['action' => 'switch', 'vote_type' => $voteType];
+                }
+            } else {
+                // 新增
+                ArticleVote::create([
+                    'article_id' => $articleId,
+                    'user_id' => $userId,
+                    'vote_type' => $voteType,
+                ]);
+                $field = $voteType == ArticleVote::VOTE_LIKE ? 'like_count' : 'dislike_count';
+                Article::where('id', $articleId)->inc($field)->update();
+                Db::commit();
+                return ['action' => 'add', 'vote_type' => $voteType];
+            }
+        } catch (\Exception $e) {
+            Db::rollback();
+            self::setError($e->getMessage());
+            return false;
+        }
+    }
+
+    /**
+     * @notes 获取用户对文章的投票状态
+     */
+    public static function getVoteStatus($userId, $articleId)
+    {
+        if (empty($userId)) {
+            return 0;
+        }
+        $vote = ArticleVote::where([
+            'article_id' => $articleId,
+            'user_id' => $userId,
+        ])->findOrEmpty();
+
+        return $vote->isEmpty() ? 0 : $vote->vote_type;
+    }
+}