@@ -14,36 +14,36 @@ discard block |
||
14 | 14 | public $totParticipants=0; |
15 | 15 | public $INITIAL_RATING=1500; |
16 | 16 | |
17 | - public function __construct($cid){ |
|
18 | - $contestModel = new ContestModel(); |
|
19 | - $this->cid = $cid; |
|
20 | - $this->gid = $contestModel->gid($cid); |
|
17 | + public function __construct($cid) { |
|
18 | + $contestModel=new ContestModel(); |
|
19 | + $this->cid=$cid; |
|
20 | + $this->gid=$contestModel->gid($cid); |
|
21 | 21 | // get rank |
22 | 22 | $this->getRecord(); |
23 | 23 | } |
24 | 24 | |
25 | - private function getRecord(){ |
|
26 | - $contestModel = new ContestModel(); |
|
27 | - $contestRankRaw = $contestModel->contestRank($this->cid); |
|
28 | - foreach($contestRankRaw as $key => $contestRank){ |
|
29 | - if(isset($contestRank['remote']) && $contestRank['remote']){ |
|
25 | + private function getRecord() { |
|
26 | + $contestModel=new ContestModel(); |
|
27 | + $contestRankRaw=$contestModel->contestRank($this->cid); |
|
28 | + foreach ($contestRankRaw as $key => $contestRank) { |
|
29 | + if (isset($contestRank['remote']) && $contestRank['remote']) { |
|
30 | 30 | unset($contestRankRaw[$key]); |
31 | 31 | } |
32 | 32 | } |
33 | - $contestRankRaw = array_values($contestRankRaw); |
|
34 | - $members = array_column($contestRankRaw,'uid'); |
|
35 | - $ratings_temp = DB::table('group_member') |
|
33 | + $contestRankRaw=array_values($contestRankRaw); |
|
34 | + $members=array_column($contestRankRaw, 'uid'); |
|
35 | + $ratings_temp=DB::table('group_member') |
|
36 | 36 | ->where([ |
37 | 37 | 'gid' => $this->gid, |
38 | - ])->whereIn('uid',$members) |
|
39 | - ->select('uid','ranking') |
|
38 | + ])->whereIn('uid', $members) |
|
39 | + ->select('uid', 'ranking') |
|
40 | 40 | ->get()->all(); |
41 | - $ratings = []; |
|
41 | + $ratings=[]; |
|
42 | 42 | foreach ($ratings_temp as $rating) { |
43 | - $ratings[$rating['uid']] = $rating['ranking']; |
|
43 | + $ratings[$rating['uid']]=$rating['ranking']; |
|
44 | 44 | } |
45 | - foreach($contestRankRaw as $c){ |
|
46 | - if(!isset($ratings[$c['uid']])){ |
|
45 | + foreach ($contestRankRaw as $c) { |
|
46 | + if (!isset($ratings[$c['uid']])) { |
|
47 | 47 | continue; |
48 | 48 | } |
49 | 49 | $this->contestants[]=[ |
@@ -52,87 +52,87 @@ discard block |
||
52 | 52 | "rating"=>$ratings[$c['uid']], |
53 | 53 | ]; |
54 | 54 | } |
55 | - $this->totParticipants = count($this->contestants); |
|
55 | + $this->totParticipants=count($this->contestants); |
|
56 | 56 | } |
57 | 57 | |
58 | - private function reassignRank(){ |
|
58 | + private function reassignRank() { |
|
59 | 59 | $this->sort("points"); |
60 | - $idx = 0; |
|
61 | - $points = $this->contestants[0]["points"]; |
|
62 | - $i = 1; |
|
63 | - while($i < $this->totParticipants){ |
|
64 | - if($this->contestants[$i]["points"] < $points){ |
|
65 | - $j = $idx; |
|
66 | - while($j < $i){ |
|
67 | - $this->contestants[$j]["rank"] = $i; |
|
68 | - $j += 1; |
|
60 | + $idx=0; |
|
61 | + $points=$this->contestants[0]["points"]; |
|
62 | + $i=1; |
|
63 | + while ($i<$this->totParticipants) { |
|
64 | + if ($this->contestants[$i]["points"]<$points) { |
|
65 | + $j=$idx; |
|
66 | + while ($j<$i) { |
|
67 | + $this->contestants[$j]["rank"]=$i; |
|
68 | + $j+=1; |
|
69 | 69 | } |
70 | - $idx = $i; |
|
71 | - $points = $this->contestants[$i]["points"]; |
|
70 | + $idx=$i; |
|
71 | + $points=$this->contestants[$i]["points"]; |
|
72 | 72 | } |
73 | - $i += 1; |
|
73 | + $i+=1; |
|
74 | 74 | } |
75 | - $j = $idx; |
|
76 | - while($j < $this->totParticipants){ |
|
77 | - $this->contestants[$j]["rank"] = $this->totParticipants; |
|
78 | - $j += 1; |
|
75 | + $j=$idx; |
|
76 | + while ($j<$this->totParticipants) { |
|
77 | + $this->contestants[$j]["rank"]=$this->totParticipants; |
|
78 | + $j+=1; |
|
79 | 79 | } |
80 | 80 | } |
81 | 81 | |
82 | - private function getEloWinProbability($Ra, $Rb){ |
|
83 | - return 1.0 / (1 + pow(10, ($Rb-$Ra)/400.0)); |
|
82 | + private function getEloWinProbability($Ra, $Rb) { |
|
83 | + return 1.0 / (1+pow(10, ($Rb-$Ra) / 400.0)); |
|
84 | 84 | } |
85 | 85 | |
86 | - private function getSeed($rating){ |
|
87 | - $result = 1.0; |
|
88 | - foreach($this->contestants as $other){ |
|
89 | - $result += $this->getEloWinProbability($other["rating"], $rating); |
|
86 | + private function getSeed($rating) { |
|
87 | + $result=1.0; |
|
88 | + foreach ($this->contestants as $other) { |
|
89 | + $result+=$this->getEloWinProbability($other["rating"], $rating); |
|
90 | 90 | } |
91 | 91 | return $result; |
92 | 92 | } |
93 | 93 | |
94 | - private function getRatingToRank($rank){ |
|
94 | + private function getRatingToRank($rank) { |
|
95 | 95 | $left=1; |
96 | 96 | $right=8000; |
97 | - while($right - $left > 1){ |
|
98 | - $mid = floor(($right + $left)/2); |
|
99 | - if($this->getSeed($mid) < $rank){ |
|
100 | - $right = $mid; |
|
101 | - }else{ |
|
102 | - $left = $mid; |
|
97 | + while ($right-$left>1) { |
|
98 | + $mid=floor(($right+$left) / 2); |
|
99 | + if ($this->getSeed($mid)<$rank) { |
|
100 | + $right=$mid; |
|
101 | + } else { |
|
102 | + $left=$mid; |
|
103 | 103 | } |
104 | 104 | } |
105 | 105 | return $left; |
106 | 106 | } |
107 | 107 | |
108 | - private function sort($key){ |
|
109 | - usort($this->contestants, function ($a, $b) use ($key) { |
|
108 | + private function sort($key) { |
|
109 | + usort($this->contestants, function($a, $b) use ($key) { |
|
110 | 110 | return $b[$key] <=> $a[$key]; |
111 | 111 | }); |
112 | 112 | } |
113 | 113 | |
114 | - public function calculate(){ |
|
115 | - if(empty($this->contestants)){ |
|
114 | + public function calculate() { |
|
115 | + if (empty($this->contestants)) { |
|
116 | 116 | return; |
117 | 117 | } |
118 | 118 | |
119 | 119 | // recalc rank |
120 | 120 | $this->reassignRank(); |
121 | 121 | |
122 | - foreach($this->contestants as &$member){ |
|
123 | - $member["seed"] = 1.0; |
|
124 | - foreach($this->contestants as $other){ |
|
125 | - if($member["uid"] != $other["uid"]){ |
|
126 | - $member["seed"] += $this->getEloWinProbability($other["rating"], $member["rating"]); |
|
122 | + foreach ($this->contestants as &$member) { |
|
123 | + $member["seed"]=1.0; |
|
124 | + foreach ($this->contestants as $other) { |
|
125 | + if ($member["uid"]!=$other["uid"]) { |
|
126 | + $member["seed"]+=$this->getEloWinProbability($other["rating"], $member["rating"]); |
|
127 | 127 | } |
128 | 128 | } |
129 | 129 | } |
130 | 130 | unset($member); |
131 | 131 | |
132 | - foreach($this->contestants as &$contestant){ |
|
133 | - $midRank = sqrt($contestant["rank"] * $contestant["seed"]); |
|
134 | - $contestant["needRating"] = $this->getRatingToRank($midRank); |
|
135 | - $contestant["delta"] = floor(($contestant["needRating"] - $contestant["rating"])/2); |
|
132 | + foreach ($this->contestants as &$contestant) { |
|
133 | + $midRank=sqrt($contestant["rank"] * $contestant["seed"]); |
|
134 | + $contestant["needRating"]=$this->getRatingToRank($midRank); |
|
135 | + $contestant["delta"]=floor(($contestant["needRating"]-$contestant["rating"]) / 2); |
|
136 | 136 | } |
137 | 137 | unset($contestant); |
138 | 138 | |
@@ -140,39 +140,39 @@ discard block |
||
140 | 140 | |
141 | 141 | // DO some adjuct |
142 | 142 | // Total sum should not be more than ZERO. |
143 | - $sum = 0; |
|
143 | + $sum=0; |
|
144 | 144 | |
145 | - foreach($this->contestants as $contestant){ |
|
146 | - $sum += $contestant["delta"]; |
|
145 | + foreach ($this->contestants as $contestant) { |
|
146 | + $sum+=$contestant["delta"]; |
|
147 | 147 | } |
148 | - $inc = -floor($sum / $this->totParticipants) - 1; |
|
149 | - foreach($this->contestants as &$contestant){ |
|
150 | - $contestant["delta"] += $inc; |
|
148 | + $inc=-floor($sum / $this->totParticipants)-1; |
|
149 | + foreach ($this->contestants as &$contestant) { |
|
150 | + $contestant["delta"]+=$inc; |
|
151 | 151 | } |
152 | 152 | unset($contestant); |
153 | 153 | |
154 | 154 | // Sum of top-4*sqrt should be adjusted to ZERO. |
155 | 155 | |
156 | - $sum = 0; |
|
157 | - $zeroSumCount = min(intval(4*round(sqrt($this->totParticipants))), $this->totParticipants); |
|
156 | + $sum=0; |
|
157 | + $zeroSumCount=min(intval(4 * round(sqrt($this->totParticipants))), $this->totParticipants); |
|
158 | 158 | |
159 | - for($i=0;$i<$zeroSumCount;$i++){ |
|
160 | - $sum += $this->contestants[$i]["delta"]; |
|
159 | + for ($i=0; $i<$zeroSumCount; $i++) { |
|
160 | + $sum+=$this->contestants[$i]["delta"]; |
|
161 | 161 | } |
162 | 162 | |
163 | - $inc = min(max(-floor($sum / $zeroSumCount), -10), 0); |
|
163 | + $inc=min(max(-floor($sum / $zeroSumCount), -10), 0); |
|
164 | 164 | |
165 | - for($i=0;$i<$zeroSumCount;$i++){ |
|
166 | - $this->contestants[$i]["delta"] += $inc; |
|
165 | + for ($i=0; $i<$zeroSumCount; $i++) { |
|
166 | + $this->contestants[$i]["delta"]+=$inc; |
|
167 | 167 | } |
168 | 168 | |
169 | 169 | return $this->validateDeltas(); |
170 | 170 | } |
171 | 171 | |
172 | - public function storage(){ |
|
172 | + public function storage() { |
|
173 | 173 | $contestants=$this->contestants; |
174 | - DB::transaction(function () use ($contestants) { |
|
175 | - foreach($contestants as $contestant){ |
|
174 | + DB::transaction(function() use ($contestants) { |
|
175 | + foreach ($contestants as $contestant) { |
|
176 | 176 | $newRating=$contestant["rating"]+$contestant["delta"]; |
177 | 177 | DB::table("group_member")->where([ |
178 | 178 | 'gid' => $this->gid, |
@@ -190,20 +190,20 @@ discard block |
||
190 | 190 | }, 5); |
191 | 191 | } |
192 | 192 | |
193 | - private function validateDeltas(){ |
|
193 | + private function validateDeltas() { |
|
194 | 194 | $this->sort("points"); |
195 | 195 | |
196 | - for($i=0;$i<$this->totParticipants;$i++){ |
|
197 | - for($j=$i+1;$j<$this->totParticipants;$j++){ |
|
198 | - if($this->contestants[$i]["rating"] > $this->contestants[$j]["rating"]){ |
|
199 | - if($this->contestants[$i]["rating"] + $this->contestants[$i]["delta"] < $this->contestants[$j]["rating"] + $this->contestants[$j]["delta"]){ |
|
196 | + for ($i=0; $i<$this->totParticipants; $i++) { |
|
197 | + for ($j=$i+1; $j<$this->totParticipants; $j++) { |
|
198 | + if ($this->contestants[$i]["rating"]>$this->contestants[$j]["rating"]) { |
|
199 | + if ($this->contestants[$i]["rating"]+$this->contestants[$i]["delta"]<$this->contestants[$j]["rating"]+$this->contestants[$j]["delta"]) { |
|
200 | 200 | Log::warning("First rating invariant failed: {$this->contestants[$i]["uid"]} vs. {$this->contestants[$j]["uid"]}."); |
201 | 201 | return false; |
202 | 202 | } |
203 | 203 | } |
204 | 204 | |
205 | - if($this->contestants[$i]["rating"] < $this->contestants[$j]["rating"]){ |
|
206 | - if($this->contestants[$i]["delta"] < $this->contestants[$j]["delta"]){ |
|
205 | + if ($this->contestants[$i]["rating"]<$this->contestants[$j]["rating"]) { |
|
206 | + if ($this->contestants[$i]["delta"]<$this->contestants[$j]["delta"]) { |
|
207 | 207 | Log::warning("Second rating invariant failed: {$this->contestants[$i]["uid"]} vs. {$this->contestants[$j]["uid"]}."); |
208 | 208 | return false; |
209 | 209 | } |