1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1">
<title>Wt examples: /home/koen/project/wt/public-git/wt/examples/hangman/HangmanDb.C Source File</title>
<link href="doxygen.css" rel="stylesheet" type="text/css">
</head><body>
<!-- Generated by Doxygen 1.5.6 -->
<div class="navigation" id="top">
<div class="tabs">
<ul>
<li><a href="index.html"><span>Main Page</span></a></li>
<li><a href="modules.html"><span>Modules</span></a></li>
<li><a href="namespaces.html"><span>Namespaces</span></a></li>
<li><a href="annotated.html"><span>Classes</span></a></li>
<li class="current"><a href="files.html"><span>Files</span></a></li>
</ul>
</div>
<h1>/home/koen/project/wt/public-git/wt/examples/hangman/HangmanDb.C</h1><a href="HangmanDb_8C.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#include <iostream></span>
<a name="l00002"></a>00002 <span class="preprocessor">#include <iomanip></span>
<a name="l00003"></a>00003 <span class="preprocessor">#include <string></span>
<a name="l00004"></a>00004 <span class="preprocessor">#include <fstream></span>
<a name="l00005"></a>00005
<a name="l00006"></a>00006 <span class="preprocessor">#include <mysql++/mysql++.h></span>
<a name="l00007"></a>00007 <span class="preprocessor">#include <Wt/WStringUtil></span>
<a name="l00008"></a>00008
<a name="l00009"></a>00009 <span class="preprocessor">#include "<a class="code" href="HangmanDb_8h.html">HangmanDb.h</a>"</span>
<a name="l00010"></a>00010
<a name="l00011"></a>00011 <span class="keyword">using namespace </span>mysqlpp;
<a name="l00012"></a>00012
<a name="l00013"></a><a class="code" href="classHangmanDb.html#36c9d6aeaee2c97bbeb5e8c8b6a5bba4">00013</a> std::string <a class="code" href="classHangmanDb.html#36c9d6aeaee2c97bbeb5e8c8b6a5bba4">HangmanDb::DbUser</a>()
<a name="l00014"></a>00014 {
<a name="l00015"></a>00015 std::string retval;
<a name="l00016"></a>00016 std::ifstream dbconf(<span class="stringliteral">"HangmanDb.info"</span>);
<a name="l00017"></a>00017 dbconf >> retval;
<a name="l00018"></a>00018 <span class="keywordflow">return</span> retval;
<a name="l00019"></a>00019 }
<a name="l00020"></a>00020
<a name="l00021"></a><a class="code" href="classHangmanDb.html#c085430ceb59cac54dfd5fa90586741a">00021</a> std::string <a class="code" href="classHangmanDb.html#c085430ceb59cac54dfd5fa90586741a">HangmanDb::DbPass</a>()
<a name="l00022"></a>00022 {
<a name="l00023"></a>00023 std::string retval;
<a name="l00024"></a>00024 std::ifstream dbconf(<span class="stringliteral">"HangmanDb.info"</span>);
<a name="l00025"></a>00025 dbconf >> retval; <span class="comment">// username</span>
<a name="l00026"></a>00026 dbconf >> retval; <span class="comment">// password</span>
<a name="l00027"></a>00027 <span class="keywordflow">return</span> retval;
<a name="l00028"></a>00028 }
<a name="l00029"></a>00029
<a name="l00030"></a>00030 <span class="comment">// this function returns false if user existed, true if user inserted</span>
<a name="l00031"></a>00031 <span class="comment">// It guarantees atomic userExists() checking and adding it if the user</span>
<a name="l00032"></a>00032 <span class="comment">// did not yet exits.</span>
<a name="l00033"></a><a class="code" href="classHangmanDb.html#0190e8b4f748d0720bc1d61eeb2a5f4b">00033</a> <span class="keywordtype">bool</span> <a class="code" href="classHangmanDb.html#0190e8b4f748d0720bc1d61eeb2a5f4b">HangmanDb::addUser</a>(<span class="keyword">const</span> std::wstring &user, <span class="keyword">const</span> std::wstring &password)
<a name="l00034"></a>00034 {
<a name="l00035"></a>00035 <span class="keywordflow">try</span> {
<a name="l00036"></a>00036 Connection con(<span class="stringliteral">"hangman"</span>, <span class="stringliteral">"localhost"</span>, <a class="code" href="classHangmanDb.html#36c9d6aeaee2c97bbeb5e8c8b6a5bba4">DbUser</a>().c_str(), <a class="code" href="classHangmanDb.html#c085430ceb59cac54dfd5fa90586741a">DbPass</a>().c_str());
<a name="l00037"></a>00037 Query q = con.query();
<a name="l00038"></a>00038 q << <span class="stringliteral">"insert into users "</span>
<a name="l00039"></a>00039 << <span class="stringliteral">"set user='"</span> << Wt::toUTF8(user) << <span class="stringliteral">"', pass=MD5('"</span>
<a name="l00040"></a>00040 << Wt::toUTF8(password) << <span class="stringliteral">"'), numgames=0, score=0, lastseen=now()"</span>;
<a name="l00041"></a>00041 q.store();
<a name="l00042"></a>00042 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00043"></a>00043 } <span class="keywordflow">catch</span>(Exception &e) {
<a name="l00044"></a>00044 std::cerr << <span class="stringliteral">"Database exception!\n"</span>;
<a name="l00045"></a>00045 std::cerr << e.what() << std::endl;
<a name="l00046"></a>00046 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00047"></a>00047 }
<a name="l00048"></a>00048 }
<a name="l00049"></a>00049
<a name="l00050"></a><a class="code" href="classHangmanDb.html#f64e7b180549bdf218992a1b37ab0549">00050</a> <span class="keywordtype">bool</span> <a class="code" href="classHangmanDb.html#f64e7b180549bdf218992a1b37ab0549">HangmanDb::validLogin</a>(<span class="keyword">const</span> std::wstring &user, <span class="keyword">const</span> std::wstring &pass)
<a name="l00051"></a>00051 {
<a name="l00052"></a>00052 <span class="keywordflow">try</span> {
<a name="l00053"></a>00053 Connection con(<span class="stringliteral">"hangman"</span>, <span class="stringliteral">"localhost"</span>, <a class="code" href="classHangmanDb.html#36c9d6aeaee2c97bbeb5e8c8b6a5bba4">DbUser</a>().c_str(), <a class="code" href="classHangmanDb.html#c085430ceb59cac54dfd5fa90586741a">DbPass</a>().c_str());
<a name="l00054"></a>00054 Query q = con.query();
<a name="l00055"></a>00055 q << <span class="stringliteral">"select user,pass from users where "</span>
<a name="l00056"></a>00056 << <span class="stringliteral">"user='"</span> << Wt::toUTF8(user)
<a name="l00057"></a>00057 << <span class="stringliteral">"' and pass=MD5('"</span> << Wt::toUTF8(pass) << <span class="stringliteral">"')"</span>;
<a name="l00058"></a>00058 StoreQueryResult res = q.store();
<a name="l00059"></a>00059 <span class="keywordflow">return</span> res.size() > 0;
<a name="l00060"></a>00060 } <span class="keywordflow">catch</span>(Exception &e) {
<a name="l00061"></a>00061 std::cerr << <span class="stringliteral">"Database exception!\n"</span>;
<a name="l00062"></a>00062 std::cerr << e.what() << std::endl;
<a name="l00063"></a>00063 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00064"></a>00064 }
<a name="l00065"></a>00065 }
<a name="l00066"></a>00066
<a name="l00067"></a><a class="code" href="classHangmanDb.html#3f039b9d0d96ca0ac8baa7bbff12f0db">00067</a> <span class="keywordtype">void</span> <a class="code" href="classHangmanDb.html#3f039b9d0d96ca0ac8baa7bbff12f0db">HangmanDb::addToScore</a>(<span class="keyword">const</span> std::wstring &user, <span class="keywordtype">int</span> delta)
<a name="l00068"></a>00068 {
<a name="l00069"></a>00069 <span class="keywordflow">try</span> {
<a name="l00070"></a>00070 Connection con(<span class="stringliteral">"hangman"</span>, <span class="stringliteral">"localhost"</span>, <a class="code" href="classHangmanDb.html#36c9d6aeaee2c97bbeb5e8c8b6a5bba4">DbUser</a>().c_str(), <a class="code" href="classHangmanDb.html#c085430ceb59cac54dfd5fa90586741a">DbPass</a>().c_str());
<a name="l00071"></a>00071 Query q = con.query();
<a name="l00072"></a>00072 q << <span class="stringliteral">"update users set score=(score+"</span> << delta << <span class="stringliteral">"), "</span>
<a name="l00073"></a>00073 << <span class="stringliteral">"numgames=(numgames+1), lastseen=now() "</span>
<a name="l00074"></a>00074 << <span class="stringliteral">"where user='"</span> << Wt::toUTF8(user) << <span class="stringliteral">"'"</span>;
<a name="l00075"></a>00075 StoreQueryResult res = q.store();
<a name="l00076"></a>00076 } <span class="keywordflow">catch</span>(Exception &e) {
<a name="l00077"></a>00077 std::cerr << <span class="stringliteral">"Database exception!\n"</span>;
<a name="l00078"></a>00078 std::cerr << e.what() << std::endl;
<a name="l00079"></a>00079 }
<a name="l00080"></a>00080 }
<a name="l00081"></a>00081
<a name="l00082"></a><a class="code" href="classHangmanDb.html#76b21f25db8d1939fcc57d9eb2e6d5c0">00082</a> std::vector<HangmanDb::Score> <a class="code" href="classHangmanDb.html#76b21f25db8d1939fcc57d9eb2e6d5c0">HangmanDb::getHighScores</a>(<span class="keywordtype">int</span> top)
<a name="l00083"></a>00083 {
<a name="l00084"></a>00084 std::vector<HangmanDb::Score> retval;
<a name="l00085"></a>00085 <span class="keywordflow">try</span> {
<a name="l00086"></a>00086 Connection con(<span class="stringliteral">"hangman"</span>, <span class="stringliteral">"localhost"</span>, <a class="code" href="classHangmanDb.html#36c9d6aeaee2c97bbeb5e8c8b6a5bba4">DbUser</a>().c_str(), <a class="code" href="classHangmanDb.html#c085430ceb59cac54dfd5fa90586741a">DbPass</a>().c_str());
<a name="l00087"></a>00087 Query q = con.query();
<a name="l00088"></a>00088 q << <span class="stringliteral">"select user, numgames, score, lastseen from users "</span>
<a name="l00089"></a>00089 << <span class="stringliteral">"order by score desc "</span>
<a name="l00090"></a>00090 << <span class="stringliteral">"limit "</span> << top;
<a name="l00091"></a>00091 StoreQueryResult res = q.store();
<a name="l00092"></a>00092
<a name="l00093"></a>00093 <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0; i < res.size(); ++i) {
<a name="l00094"></a>00094 <span class="keyword">struct </span><a class="code" href="structHangmanDb_1_1Score.html">Score</a> s;
<a name="l00095"></a>00095 s.<a class="code" href="structHangmanDb_1_1Score.html#13f13771f8ae33f3373d0659ddadc5e2">number</a> = i + 1;
<a name="l00096"></a>00096 s.<a class="code" href="structHangmanDb_1_1Score.html#3959752a946d56b3e48acd27b6229d21">user</a> = Wt::fromUTF8((std::string)res.at(i)[<span class="stringliteral">"user"</span>]);
<a name="l00097"></a>00097 s.<a class="code" href="structHangmanDb_1_1Score.html#602fc68f5609343eb9ed20b5bca2c2b5">numgames</a> = res.at(i)[<span class="stringliteral">"numgames"</span>];
<a name="l00098"></a>00098 s.<a class="code" href="structHangmanDb_1_1Score.html#26c5fb07c6654e5122e2a98659a857d8">score</a> = res.at(i)[<span class="stringliteral">"score"</span>];
<a name="l00099"></a>00099 s.<a class="code" href="structHangmanDb_1_1Score.html#2d61f30856924ebf175209d1903708f1">lastseen</a> = Wt::fromUTF8((std::string)res.at(i)[<span class="stringliteral">"lastseen"</span>]);
<a name="l00100"></a>00100 retval.push_back(s);
<a name="l00101"></a>00101 }
<a name="l00102"></a>00102 } <span class="keywordflow">catch</span>(Exception &e) {
<a name="l00103"></a>00103 std::cerr << <span class="stringliteral">"Database exception!\n"</span>;
<a name="l00104"></a>00104 std::cerr << e.what() << std::endl;
<a name="l00105"></a>00105 }
<a name="l00106"></a>00106 <span class="keywordflow">return</span> retval;
<a name="l00107"></a>00107 }
<a name="l00108"></a>00108
<a name="l00109"></a><a class="code" href="classHangmanDb.html#3b623adea086ec71342220dd4f2359f7">00109</a> <a class="code" href="structHangmanDb_1_1Score.html">HangmanDb::Score</a> <a class="code" href="classHangmanDb.html#3b623adea086ec71342220dd4f2359f7">HangmanDb::getUserPosition</a>(<span class="keyword">const</span> std::wstring &user)
<a name="l00110"></a>00110 {
<a name="l00111"></a>00111 <span class="keywordflow">try</span> {
<a name="l00112"></a>00112 Connection con(<span class="stringliteral">"hangman"</span>, <span class="stringliteral">"localhost"</span>, <a class="code" href="classHangmanDb.html#36c9d6aeaee2c97bbeb5e8c8b6a5bba4">DbUser</a>().c_str(), <a class="code" href="classHangmanDb.html#c085430ceb59cac54dfd5fa90586741a">DbPass</a>().c_str());
<a name="l00113"></a>00113 Query q = con.query();
<a name="l00114"></a>00114 q << <span class="stringliteral">"select user, numgames, score, lastseen from users "</span>
<a name="l00115"></a>00115 << <span class="stringliteral">"order by score desc"</span>;
<a name="l00116"></a>00116 StoreQueryResult res = q.store();
<a name="l00117"></a>00117
<a name="l00118"></a>00118 <span class="comment">// There MUST be a better way to do this...</span>
<a name="l00119"></a>00119 <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0; i < res.size(); ++i) {
<a name="l00120"></a>00120 <span class="keywordflow">if</span>(Wt::fromUTF8((std::string)res.at(i)[<span class="stringliteral">"user"</span>]) == user) {
<a name="l00121"></a>00121 <span class="keyword">struct </span><a class="code" href="structHangmanDb_1_1Score.html">Score</a> s;
<a name="l00122"></a>00122 s.<a class="code" href="structHangmanDb_1_1Score.html#13f13771f8ae33f3373d0659ddadc5e2">number</a> = i + 1;
<a name="l00123"></a>00123 s.<a class="code" href="structHangmanDb_1_1Score.html#3959752a946d56b3e48acd27b6229d21">user</a> = Wt::fromUTF8((std::string)res.at(i)[<span class="stringliteral">"user"</span>]);
<a name="l00124"></a>00124 s.<a class="code" href="structHangmanDb_1_1Score.html#602fc68f5609343eb9ed20b5bca2c2b5">numgames</a> = res.at(i)[<span class="stringliteral">"numgames"</span>];
<a name="l00125"></a>00125 s.<a class="code" href="structHangmanDb_1_1Score.html#26c5fb07c6654e5122e2a98659a857d8">score</a> = res.at(i)[<span class="stringliteral">"score"</span>];
<a name="l00126"></a>00126 s.<a class="code" href="structHangmanDb_1_1Score.html#2d61f30856924ebf175209d1903708f1">lastseen</a> = Wt::fromUTF8((std::string)res.at(i)[<span class="stringliteral">"lastseen"</span>]);
<a name="l00127"></a>00127 <span class="keywordflow">return</span> s;
<a name="l00128"></a>00128 }
<a name="l00129"></a>00129 }
<a name="l00130"></a>00130 } <span class="keywordflow">catch</span>(Exception &e) {
<a name="l00131"></a>00131 std::cerr << <span class="stringliteral">"Database exception!\n"</span>;
<a name="l00132"></a>00132 std::cerr << e.what() << std::endl;
<a name="l00133"></a>00133 }
<a name="l00134"></a>00134 <a class="code" href="structHangmanDb_1_1Score.html">Score</a> s;
<a name="l00135"></a>00135 s.<a class="code" href="structHangmanDb_1_1Score.html#13f13771f8ae33f3373d0659ddadc5e2">number</a>=0;
<a name="l00136"></a>00136 s.<a class="code" href="structHangmanDb_1_1Score.html#3959752a946d56b3e48acd27b6229d21">user</a>=L<span class="stringliteral">"DBase error"</span>;
<a name="l00137"></a>00137 s.<a class="code" href="structHangmanDb_1_1Score.html#602fc68f5609343eb9ed20b5bca2c2b5">numgames</a> = s.<a class="code" href="structHangmanDb_1_1Score.html#26c5fb07c6654e5122e2a98659a857d8">score</a> = 0;
<a name="l00138"></a>00138 <span class="keywordflow">return</span> s;
<a name="l00139"></a>00139 }
</pre></div></div>
<hr size="1"><address style="align: right;"><small>
Generated on Fri Mar 26 17:12:12 2010 for <a href="http://www.webtoolkit.eu/wt/">Wt</a> by <a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.6</small></address>
</body>
</html>
|
