ProblemModel::removeSolution()   A
last analyzed

Complexity

Conditions 2
Paths 2

Size

Total Lines 7
Code Lines 4

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 2
eloc 4
nc 2
nop 2
dl 0
loc 7
rs 10
c 0
b 0
f 0
1
<?php
2
3
namespace App\Models;
4
5
use GrahamCampbell\Markdown\Facades\Markdown;
6
use Illuminate\Database\Eloquent\Model;
7
use Illuminate\Support\Facades\DB;
8
use App\Models\Submission\SubmissionModel;
9
use Illuminate\Support\Str;
10
use App\Models\Eloquent\OJ;
11
use Cache;
12
13
class ProblemModel extends Model
14
{
15
    protected $table='problem';
16
    protected $primaryKey='pid';
17
    const UPDATED_AT="update_date";
18
19
    public function detail($pcode, $cid=null)
20
    {
21
        $prob_detail=DB::table($this->table)->where("pcode", $pcode)->first();
22
        // [Depreciated] Joint Query was depreciated here for code maintenance reasons
23
        if (!is_null($prob_detail)) {
24
            if ($prob_detail["force_raw"]) {
25
                $prob_detail["parsed"]=[
26
                    "description"=>$prob_detail["description"],
27
                    "input"=>$prob_detail["input"],
28
                    "output"=>$prob_detail["output"],
29
                    "note"=>$prob_detail["note"],
30
                    "file"=>$prob_detail["file"]
31
                ];
32
            } elseif ($prob_detail["markdown"]) {
33
                $prob_detail["parsed"]=[
34
                    "description"=>clean(convertMarkdownToHtml($prob_detail["description"])),
35
                    "input"=>clean(convertMarkdownToHtml($prob_detail["input"])),
36
                    "output"=>clean(convertMarkdownToHtml($prob_detail["output"])),
37
                    "note"=>clean(convertMarkdownToHtml($prob_detail["note"])),
38
                    "file"=>clean(convertMarkdownToHtml($prob_detail["file"]))
39
                ];
40
            } else {
41
                $prob_detail["parsed"]=[
42
                    "description"=>$prob_detail["description"],
43
                    "input"=>$prob_detail["input"],
44
                    "output"=>$prob_detail["output"],
45
                    "note"=>$prob_detail["note"],
46
                    "file"=>$prob_detail["file"]
47
                ];
48
            }
49
            $prob_detail["pdf"]=false;
50
            $prob_detail["viewerShow"]=false;
51
            $prob_detail["file_ext"]=null;
52
            if ($prob_detail['file'] && !blank($prob_detail['file_url'])) {
53
                $prob_detail["file_ext"]=explode('.', basename($prob_detail['file_url']));
54
                $prob_detail["file_ext"]=end($prob_detail["file_ext"]);
55
                $prob_detail["pdf"]=Str::is("*.pdf", basename($prob_detail['file_url']));
56
                $prob_detail["viewerShow"]=blank($prob_detail["parsed"]["description"]) &&
57
                                            blank($prob_detail["parsed"]["input"]) &&
58
                                            blank($prob_detail["parsed"]["output"]) &&
59
                                            blank($prob_detail["parsed"]["note"]);
60
            }
61
            $prob_detail["update_date"]=date_format(date_create($prob_detail["update_date"]), 'm/d/Y H:i:s');
62
            $prob_detail["oj_detail"]=DB::table("oj")->where("oid", $prob_detail["OJ"])->first();
63
            $prob_detail["samples"]=DB::table("problem_sample")->where("pid", $prob_detail["pid"])->get()->all();
64
            $prob_detail["tags"]=DB::table("problem_tag")->where("pid", $prob_detail["pid"])->get()->all();
65
            if ($cid) {
66
                $frozen_time=strtotime(DB::table("contest")->where(["cid"=>$cid])->select("end_time")->first()["end_time"]);
67
                $prob_stat=DB::table("submission")->select(
68
                    DB::raw("count(sid) as submission_count"),
69
                    DB::raw("sum(verdict='accepted') as passed_count"),
70
                    DB::raw("sum(verdict='accepted')/count(sid)*100 as ac_rate")
71
                )->where([
72
                    "pid"=>$prob_detail["pid"],
73
                    "cid"=>$cid,
74
                ])->where("submission_date", "<", $frozen_time)->first();
75
                $prob_detail['vcid']=DB::table("contest")->where(["cid"=>$cid])->select("vcid")->first()['vcid'];
76
                $prob_detail["points"]=DB::table("contest_problem")->where(["cid"=>$cid, "pid"=>$prob_detail["pid"]])->select("points")->first()["points"];
77
            } else {
78
                $prob_stat=DB::table("submission")->select(
79
                    DB::raw("count(sid) as submission_count"),
80
                    DB::raw("sum(verdict='accepted') as passed_count"),
81
                    DB::raw("sum(verdict='accepted')/count(sid)*100 as ac_rate")
82
                )->where(["pid"=>$prob_detail["pid"]])->first();
83
                $prob_detail['vcid']=null;
84
                $prob_detail["points"]=0;
85
            }
86
            if ($prob_stat["submission_count"]==0) {
87
                $prob_detail["submission_count"]=0;
88
                $prob_detail["passed_count"]=0;
89
                $prob_detail["ac_rate"]=0;
90
            } else {
91
                $prob_detail["submission_count"]=$prob_stat["submission_count"];
92
                $prob_detail["passed_count"]=$prob_stat["passed_count"];
93
                $prob_detail["ac_rate"]=round($prob_stat["ac_rate"], 2);
94
            }
95
        }
96
        return $prob_detail;
97
    }
98
99
    public function basic($pid)
100
    {
101
        return DB::table($this->table)->where("pid", $pid)->first();
102
    }
103
104
    public function tags()
105
    {
106
        return DB::table("problem_tag")->groupBy('tag')->select("tag", DB::raw('count(*) as tag_count'))->orderBy('tag_count', 'desc')->limit(12)->get()->all();
107
    }
108
109
    public function ojs()
110
    {
111
        return DB::table("oj")->where("status", 1)->orderBy('oid', 'asc')->get()->all();
112
    }
113
114
    public function ojdetail($oid)
115
    {
116
        return DB::table("oj")->where('oid', $oid)->first();
117
    }
118
119
    public function solutionList($pid, $uid=null)
120
    {
121
        if (is_null($uid)) {
122
            $details=DB::table("problem_solution")->join(
123
                "users",
124
                "id",
125
                "=",
126
                "problem_solution.uid"
127
            )->where([
128
                'problem_solution.pid'=>$pid,
129
                'problem_solution.audit'=>1
130
            ])->orderBy(
131
                "problem_solution.votes",
132
                "desc"
133
            )->get()->all();
134
        } else {
135
            $votes=DB::table("problem_solution_vote")->where([
136
                "uid"=>$uid
137
            ])->get()->all();
138
            foreach ($votes as $v) {
139
                $userVotes[$v["psoid"]]=$v["type"];
140
            }
141
            $details=DB::table("problem_solution")->join(
142
                "users",
143
                "id",
144
                "=",
145
                "problem_solution.uid"
146
            )->where([
147
                'problem_solution.pid'=>$pid,
148
                'problem_solution.audit'=>1
149
            ])->select([
150
                "problem_solution.psoid as psoid",
151
                "problem_solution.uid as uid",
152
                "problem_solution.pid as pid",
153
                "problem_solution.content as content",
154
                "problem_solution.audit as audit",
155
                "problem_solution.votes as votes",
156
                "problem_solution.created_at as created_at",
157
                "problem_solution.updated_at as updated_at",
158
                "avatar",
159
                "name"
160
            ])->orderBy("problem_solution.votes", "desc")->get()->all();
161
            foreach ($details as &$d) {
162
                $d["type"]=isset($userVotes[$d["psoid"]]) ? $userVotes[$d["psoid"]] : null;
0 ignored issues
show
Comprehensibility Best Practice introduced by
The variable $userVotes seems to be defined by a foreach iteration on line 138. Are you sure the iterator is never empty, otherwise this variable is not defined?
Loading history...
163
            }
164
            unset($d);
165
        }
166
        foreach ($details as &$d) {
167
            $d["content_parsed"]=clean(convertMarkdownToHtml($d["content"]));
168
        }
169
        return $details;
170
    }
171
172
    public function solution($pid, $uid)
173
    {
174
        $details=DB::table("problem_solution")->join("users", "id", "=", "uid")->where(['pid'=>$pid, 'uid'=>$uid])->first();
175
        return $details;
176
    }
177
178
    public function addSolution($pid, $uid, $content)
179
    {
180
        $details=DB::table("problem_solution")->where(['pid'=>$pid, 'uid'=>$uid])->first();
181
        if (empty($details)) {
182
            DB::table("problem_solution")->insert([
183
                "uid"=>$uid,
184
                "pid"=>$pid,
185
                "content"=>$content,
186
                "votes"=>0,
187
                "audit"=>$this->inteliAudit($uid, $content),
188
                "created_at"=>date("Y-m-d H:i:s"),
189
                "updated_at"=>date("Y-m-d H:i:s"),
190
            ]);
191
            return true;
192
        }
193
        return false;
194
    }
195
196
    private function inteliAudit($uid, $content)
197
    {
198
        if (strpos($content, '```')!==false) {
199
            $userSolutionHistory=DB::table("problem_solution")->where(['uid'=>$uid])->orderByDesc('updated_at')->first();
200
            if (!empty($userSolutionHistory) && $userSolutionHistory["audit"]==1) {
201
                return 1;
202
            }
203
        }
204
        return 0;
205
    }
206
207
    public function voteSolution($psoid, $uid, $type)
208
    {
209
        $val=$type ? 1 : -1;
210
        $details=DB::table("problem_solution")->where(['psoid'=>$psoid])->first();
211
        if (empty($details)) {
212
            return ["ret"=>false];
213
        }
214
215
        $userVote=DB::table("problem_solution_vote")->where(['uid'=>$uid, "psoid"=>$psoid])->first();
216
217
        if (!empty($userVote)) {
218
            DB::table("problem_solution_vote")->where(['uid'=>$uid, "psoid"=>$psoid])->delete();
219
            if ($userVote["type"]==$type) {
220
                DB::table("problem_solution")->where([
221
                    'psoid'=>$psoid
222
                ])->update([
223
                    "votes"=>$details["votes"]+($userVote["type"]==1 ?-1 : 1),
224
                ]);
225
                return ["ret"=>true, "votes"=>$details["votes"]+($userVote["type"]==1 ?-1 : 1), "select"=>-1]; //disvote
226
            } elseif ($userVote["type"]==1) {
227
                $val--;
228
            } else {
229
                $val++;
230
            }
231
        }
232
233
        DB::table("problem_solution")->where([
234
            'psoid'=>$psoid
235
        ])->update([
236
            "votes"=>$details["votes"]+$val,
237
        ]);
238
239
        DB::table("problem_solution_vote")->insert([
240
            "uid"=>$uid,
241
            "psoid"=>$psoid,
242
            "type"=>$type,
243
        ]);
244
245
        return ["ret"=>true, "votes"=>$details["votes"]+$val, "select"=>$type];
246
    }
247
248
    public function removeSolution($psoid, $uid)
249
    {
250
        if (empty(DB::table("problem_solution")->where(['psoid'=>$psoid, 'uid'=>$uid])->first())) {
251
            return false;
252
        }
253
        DB::table("problem_solution")->where(['psoid'=>$psoid, 'uid'=>$uid])->delete();
254
        return true;
255
    }
256
257
    public function updateSolution($psoid, $uid, $content)
258
    {
259
        if (empty(DB::table("problem_solution")->where(['psoid'=>$psoid, 'uid'=>$uid])->first())) {
260
            return false;
261
        }
262
        DB::table("problem_solution")->where(['psoid'=>$psoid, 'uid'=>$uid])->update([
263
            "content"=>$content,
264
            "audit"=>$this->inteliAudit($uid, $content),
265
            "updated_at"=>date("Y-m-d H:i:s"),
266
        ]);
267
        return true;
268
    }
269
270
    public function isBlocked($pid, $cid=null)
271
    {
272
        $conflictContests=DB::table("contest")
273
                            ->join("contest_problem", "contest.cid", "=", "contest_problem.cid")
274
                            ->where("end_time", ">", date("Y-m-d H:i:s"))
275
                            ->where(["verified"=>1, "pid"=>$pid])
276
                            ->select(["contest_problem.cid as cid"])
277
                            ->get()
278
                            ->all();
279
        if (empty($conflictContests)) {
280
            return false;
281
        }
282
        foreach ($conflictContests as $c) {
283
            if ($cid==$c["cid"]) {
284
                return false;
285
            }
286
        }
287
        // header("HTTP/1.1 403 Forbidden");
288
        // exit();
289
        return true;
290
    }
291
292
    public function list($filter, $uid=null)
293
    {
294
        // $prob_list = DB::table($this->table)->select("pid","pcode","title")->get()->all(); // return a array
295
        $submissionModel=new SubmissionModel();
296
        $preQuery=DB::table($this->table)->where('hide', '=', 0);
297
        if ($filter['oj']) {
298
            $OJ=OJ::find($filter['oj']);
299
            if (blank($OJ) || !$OJ->status) {
300
                return null;
301
            }
302
            $preQuery=$preQuery->where(["OJ"=>$filter['oj']]);
303
        }
304
        if ($filter['tag']) {
305
            $preQuery=$preQuery->join("problem_tag", "problem.pid", "=", "problem_tag.pid")->where(["tag"=>$filter['tag']]);
306
        }
307
        $paginator=$preQuery->select("problem.pid as pid", "pcode", "title")->orderBy(
308
            "OJ",
309
            "ASC"
310
        )->orderBy(
311
            "order_index",
312
            "ASC"
313
        )->orderBy(
314
            DB::raw("length(contest_id)"),
315
            "ASC"
316
        )->orderBy(
317
            "contest_id",
318
            "ASC"
319
        )->orderBy(
320
            DB::raw("length(index_id)"),
321
            "ASC"
322
        )->orderBy(
323
            "index_id",
324
            "ASC"
325
        )->orderBy(
326
            "pcode",
327
            "ASC"
328
        )->paginate(max(config('pagination.problem.per_page'), 1));
329
        $prob_list=$paginator->all();
330
331
        if (empty($prob_list)) {
332
            return null;
333
        }
334
        foreach ($prob_list as &$p) {
335
            $prob_stat=DB::table("submission")->select(
336
                DB::raw("count(sid) as submission_count"),
337
                DB::raw("sum(verdict='accepted') as passed_count"),
338
                DB::raw("sum(verdict='accepted')/count(sid)*100 as ac_rate")
339
            )->where(["pid"=>$p["pid"]])->first();
340
            if ($prob_stat["submission_count"]==0) {
341
                $p["submission_count"]=0;
342
                $p["passed_count"]=0;
343
                $p["ac_rate"]=0;
344
            } else {
345
                $p["submission_count"]=$prob_stat["submission_count"];
346
                $p["passed_count"]=$prob_stat["passed_count"];
347
                $p["ac_rate"]=round($prob_stat["ac_rate"], 2);
348
            }
349
            if (!is_null($uid)) {
350
                $prob_status=$submissionModel->getProblemStatus($p["pid"], $uid);
351
                if (empty($prob_status)) {
352
                    $p["prob_status"]=[
353
                        "icon"=>"checkbox-blank-circle-outline",
354
                        "color"=>"wemd-grey-text"
355
                    ];
356
                } else {
357
                    $p["prob_status"]=[
358
                        "icon"=>$prob_status["verdict"]=="Accepted" ? "checkbox-blank-circle" : "cisco-webex",
359
                        "color"=>$prob_status["color"]
360
                    ];
361
                }
362
            } else {
363
                $p["prob_status"]=[
364
                    "icon"=>"checkbox-blank-circle-outline",
365
                    "color"=>"wemd-grey-text"
366
                ];
367
            }
368
        }
369
        return [
370
            'paginator' => $paginator,
371
            'problems' => $prob_list,
372
        ];
373
    }
374
375
    public function existPCode($pcode)
376
    {
377
        $temp=DB::table($this->table)->where(["pcode"=>$pcode])->select("pcode")->first();
378
        return empty($temp) ? null : $temp["pcode"];
379
    }
380
381
    public function pid($pcode)
382
    {
383
        $temp=DB::table($this->table)->where(["pcode"=>$pcode])->select("pid")->first();
384
        return empty($temp) ? 0 : $temp["pid"];
385
    }
386
387
    public function pcode($pid)
388
    {
389
        $temp=DB::table($this->table)->where(["pid"=>$pid])->select("pcode")->first();
390
        return empty($temp) ? 0 : $temp["pcode"];
391
    }
392
393
    public function ocode($pid)
394
    {
395
        $temp=DB::table($this->table)->where(["pid"=>$pid])->select("OJ as oid")->first();
396
        return empty($temp) ? null : DB::table("oj")->where(["oid"=>$temp["oid"]])->select("ocode")->first()["ocode"];
397
    }
398
399
    public function oid($pid)
400
    {
401
        return DB::table($this->table)->where(["pid"=>$pid])->select("OJ as oid")->first()["oid"];
402
    }
403
404
    public function clearTags($pid)
405
    {
406
        DB::table("problem_tag")->where(["pid"=>$pid])->delete();
407
        return true;
408
    }
409
410
    public function addTags($pid, $tag)
411
    {
412
        DB::table("problem_tag")->insert(["pid"=>$pid, "tag"=>$tag]);
413
        return true;
414
    }
415
416
    public function getSolvedCount($oid)
417
    {
418
        return DB::table($this->table)->select("pid", "solved_count")->where(["OJ"=>$oid])->get()->all();
419
    }
420
421
    public function updateDifficulty($pid, $diff_level)
422
    {
423
        DB::table("problem_tag")->where(["pid"=>$pid])->update(["difficulty"=>$diff_level]);
424
        return true;
425
    }
426
427
    public function insertProblem($data)
428
    {
429
        $info=array_merge([
430
            'difficulty'=>-1,
431
            'update_date'=>date("Y-m-d H:i:s"),
432
        ], collect($data)->only([
433
            'file',
434
            'file_url',
435
            'title',
436
            'time_limit',
437
            'memory_limit',
438
            'OJ',
439
            'description',
440
            'input',
441
            'output',
442
            'note',
443
            'input_type',
444
            'output_type',
445
            'pcode',
446
            'contest_id',
447
            'index_id',
448
            'origin',
449
            'source',
450
            'solved_count',
451
            'tot_score',
452
            'partial',
453
            'markdown',
454
            'special_compiler',
455
            'order_index',
456
        ])->toArray());
457
458
        $pid=DB::table($this->table)->insertGetId($info);
459
460
        if (!empty($data["sample"])) {
461
            foreach ($data["sample"] as $d) {
462
                if (!isset($d['sample_note'])) {
463
                    $d['sample_note']=null;
464
                }
465
                DB::table("problem_sample")->insert([
466
                    'pid'=>$pid,
467
                    'sample_input'=>$d['sample_input'],
468
                    'sample_output'=>$d['sample_output'],
469
                    'sample_note'=>$d['sample_note'],
470
                ]);
471
            }
472
        }
473
474
        return $pid;
475
    }
476
477
    public function updateProblem($data)
478
    {
479
        DB::table($this->table)->where(["pcode"=>$data['pcode']])->update(array_merge([
480
            'difficulty'=>-1,
481
            'update_date'=>date("Y-m-d H:i:s"),
482
        ], collect($data)->only([
483
            'file',
484
            'file_url',
485
            'title',
486
            'time_limit',
487
            'memory_limit',
488
            'OJ',
489
            'description',
490
            'input',
491
            'output',
492
            'note',
493
            'input_type',
494
            'output_type',
495
            'contest_id',
496
            'index_id',
497
            'origin',
498
            'source',
499
            'solved_count',
500
            'tot_score',
501
            'partial',
502
            'markdown',
503
            'special_compiler',
504
            'order_index',
505
        ])->toArray()));
506
507
        $pid=$this->pid($data['pcode']);
508
509
        DB::table("problem_sample")->where(["pid"=>$pid])->delete();
510
511
        if (!empty($data["sample"])) {
512
            foreach ($data["sample"] as $d) {
513
                if (!isset($d['sample_note'])) {
514
                    $d['sample_note']=null;
515
                }
516
                DB::table("problem_sample")->insert([
517
                    'pid'=>$pid,
518
                    'sample_input'=>$d['sample_input'],
519
                    'sample_output'=>$d['sample_output'],
520
                    'sample_note'=>$d['sample_note'],
521
                ]);
522
            }
523
        }
524
525
        return $pid;
526
    }
527
528
    public function discussionList($pid)
529
    {
530
        $paginator=DB::table('problem_discussion')->join(
531
            "users",
532
            "id",
533
            "=",
534
            "problem_discussion.uid"
535
        )->where([
536
            'problem_discussion.pid'=>$pid,
537
            'problem_discussion.audit'=>1
538
        ])->orderBy(
539
            'problem_discussion.created_at',
540
            'desc'
541
        )->select([
542
            'problem_discussion.pdid',
543
            'problem_discussion.title',
544
            'problem_discussion.updated_at',
545
            'users.avatar',
546
            'users.name',
547
            'users.id as uid'
548
        ])->paginate(15);
549
        $list=$paginator->all();
550
        foreach ($list as &$l) {
551
            $l['updated_at']=formatHumanReadableTime($l['updated_at']);
552
            $l['comment_count']=DB::table('problem_discussion_comment')->where('pdid', '=', $l['pdid'])->count();
553
        }
554
        return [
555
            'paginator' => $paginator,
556
            'list' => $list,
557
        ];
558
    }
559
560
    public function discussionDetail($pdid)
561
    {
562
        $main=DB::table('problem_discussion')->join(
563
            "users",
564
            "id",
565
            "=",
566
            "problem_discussion.uid"
567
        )->where(
568
            'problem_discussion.pdid',
569
            '=',
570
            $pdid
571
        )->select([
572
            'problem_discussion.pdid',
573
            'problem_discussion.title',
574
            'problem_discussion.content',
575
            'problem_discussion.votes',
576
            'problem_discussion.created_at',
577
            'users.avatar',
578
            'users.name',
579
            'users.id as uid'
580
        ])->get()->first();
581
        $main['created_at']=formatHumanReadableTime($main['created_at']);
582
        $main['content']=clean(Markdown::convertToHtml($main["content"]));
583
584
        $comment_count=DB::table('problem_discussion_comment')->where('pdid', '=', $pdid)->count();
585
586
        $paginator=DB::table('problem_discussion_comment')->join(
587
            "users",
588
            "id",
589
            "=",
590
            "problem_discussion_comment.uid"
591
        )->where([
592
            'problem_discussion_comment.pdid'=>$pdid,
593
            'problem_discussion_comment.reply_id'=>null,
594
            'problem_discussion_comment.audit'=>1
595
        ])->select([
596
            'problem_discussion_comment.pdcid',
597
            'problem_discussion_comment.pdid',
598
            'problem_discussion_comment.content',
599
            'problem_discussion_comment.votes',
600
            'problem_discussion_comment.created_at',
601
            'users.avatar',
602
            'users.name',
603
            'users.id as uid'
604
        ])->paginate(10);
605
        $comment=$paginator->all();
606
        foreach ($comment as &$c) {
607
            $c['content']=clean(Markdown::convertToHtml($c["content"]));
608
            $c['created_at']=formatHumanReadableTime($c['created_at']);
609
            $c['reply']=DB::table('problem_discussion_comment')->join(
610
                "users",
611
                "id",
612
                "=",
613
                "problem_discussion_comment.uid"
614
            )->where(
615
                'problem_discussion_comment.pdid',
616
                '=',
617
                $pdid
618
            )->where(
619
                'problem_discussion_comment.reply_id',
620
                '!=',
621
                null
622
            )->where(
623
                'problem_discussion_comment.audit',
624
                '=',
625
                1
626
            )->select([
627
                'problem_discussion_comment.pdcid',
628
                'problem_discussion_comment.pdid',
629
                'problem_discussion_comment.content',
630
                'problem_discussion_comment.reply_id',
631
                'problem_discussion_comment.votes',
632
                'problem_discussion_comment.created_at',
633
                'users.avatar',
634
                'users.name',
635
                'users.id as uid'
636
            ])->get()->all();
637
            foreach ($c['reply'] as $k=>&$cr) {
638
                $cr['content']=clean(Markdown::convertToHtml($cr["content"]));
639
                $cr['reply_uid']=DB::table('problem_discussion_comment')->where(
640
                    'pdcid',
641
                    '=',
642
                    $cr['reply_id']
643
                )->get()->first()['uid'];
644
                $cr['reply_name']=DB::table('users')->where(
645
                    'id',
646
                    '=',
647
                    $cr['reply_uid']
648
                )->get()->first()['name'];
649
                $cr['created_at']=formatHumanReadableTime($cr['created_at']);
650
                if ($this->replyParent($cr['pdcid'])!=$c['pdcid']) {
651
                    unset($c['reply'][$k]);
652
                }
653
            }
654
        }
655
        return [
656
            'main' => $main,
657
            'comment_count' => $comment_count,
658
            'paginator' => $paginator,
659
            'comment' => $comment
660
        ];
661
    }
662
663
    public function replyParent($pdcid)
664
    {
665
        $reply_id=DB::table('problem_discussion_comment')->where('pdcid', '=', $pdcid)->get()->first()['reply_id'];
666
        $top=DB::table('problem_discussion_comment')->where('pdcid', '=', $reply_id)->get()->first()['reply_id'];
667
        if (isset($top)) {
668
            return $this->replyParent($reply_id);
669
        } else {
670
            return $reply_id;
671
        }
672
    }
673
674
    public function pcodeByPdid($dcode)
675
    {
676
        $pid=DB::table('problem_discussion')->where('pdid', '=', $dcode)->get()->first()['pid'];
677
        $pcode=$this->pcode($pid);
678
        return $pcode;
679
    }
680
681
    public function addDiscussion($uid, $pid, $title, $content)
682
    {
683
        $pdid=DB::table("problem_discussion")->insertGetId([
684
            "uid"=>$uid,
685
            "pid"=>$pid,
686
            "title"=>$title,
687
            "content"=>$content,
688
            "votes"=>0,
689
            "audit"=>1,
690
            "created_at"=>date("Y-m-d H:i:s"),
691
            "updated_at"=>date("Y-m-d H:i:s"),
692
        ]);
693
        return $pdid;
694
    }
695
696
    public function pidByPdid($pdid)
697
    {
698
        $pid=DB::table('problem_discussion')->where('pdid', '=', $pdid)->get()->first()['pid'];
699
        return $pid;
700
    }
701
702
    public function addComment($uid, $pdid, $content, $reply_id)
703
    {
704
        $pid=$this->pidByPdid($pdid);
705
        $pdcid=DB::table('problem_discussion_comment')->insertGetId([
706
            'pdid'=>$pdid,
707
            'uid'=>$uid,
708
            'pid'=>$pid,
709
            'content'=>$content,
710
            'reply_id'=>$reply_id,
711
            'votes'=>0,
712
            'audit'=>1,
713
            'created_at'=>date("Y-m-d H:i:s"),
714
            'updated_at'=>date("Y-m-d H:i:s"),
715
        ]);
716
        return $pdcid;
717
    }
718
719
    public function isHidden($pid)
720
    {
721
        return DB::table('problem')->where('pid', '=', $pid)->get()->first()['hide'];
722
    }
723
}
724