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Commit | Line | Data |
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52d88392 AD |
1 | <?php |
2 | class Db_Prefs { | |
3 | private $dbh; | |
4 | private static $instance; | |
5 | private $cache; | |
6 | ||
7 | function __construct() { | |
8 | $this->dbh = Db::get(); | |
9 | $this->cache = array(); | |
10 | ||
11 | if ($_SESSION["uid"]) $this->cache(); | |
12 | } | |
13 | ||
14 | private function __clone() { | |
15 | // | |
16 | } | |
17 | ||
18 | public static function get() { | |
19 | if (self::$instance == null) | |
20 | self::$instance = new self(); | |
21 | ||
22 | return self::$instance; | |
23 | } | |
24 | ||
25 | function cache() { | |
26 | $profile = false; | |
27 | ||
28 | $user_id = $_SESSION["uid"]; | |
29 | @$profile = $_SESSION["profile"]; | |
30 | ||
31 | if ($profile) { | |
32 | $profile_qpart = "profile = '$profile' AND"; | |
33 | } else { | |
34 | $profile_qpart = "profile IS NULL AND"; | |
35 | } | |
36 | ||
37 | if (get_schema_version() < 63) $profile_qpart = ""; | |
38 | ||
39 | $result = db_query("SELECT | |
40 | value,ttrss_prefs_types.type_name as type_name,ttrss_prefs.pref_name AS pref_name | |
41 | FROM | |
42 | ttrss_user_prefs,ttrss_prefs,ttrss_prefs_types | |
43 | WHERE | |
44 | $profile_qpart | |
45 | ttrss_prefs.pref_name NOT LIKE '_MOBILE%' AND | |
46 | ttrss_prefs_types.id = type_id AND | |
47 | owner_uid = '$user_id' AND | |
48 | ttrss_user_prefs.pref_name = ttrss_prefs.pref_name"); | |
49 | ||
50 | while ($line = db_fetch_assoc($result)) { | |
51 | if ($user_id == $_SESSION["uid"]) { | |
52 | $pref_name = $line["pref_name"]; | |
53 | ||
54 | $this->cache[$pref_name]["type"] = $line["type_name"]; | |
55 | $this->cache[$pref_name]["value"] = $line["value"]; | |
56 | } | |
57 | } | |
58 | } | |
59 | ||
60 | function read($pref_name, $user_id = false, $die_on_error = false) { | |
61 | ||
62 | $pref_name = db_escape_string($pref_name); | |
63 | $profile = false; | |
64 | ||
65 | if (!$user_id) { | |
66 | $user_id = $_SESSION["uid"]; | |
67 | @$profile = $_SESSION["profile"]; | |
68 | } else { | |
69 | $user_id = sprintf("%d", $user_id); | |
70 | } | |
71 | ||
72 | if (isset($this->cache[$pref_name])) { | |
73 | $tuple = $this->cache[$pref_name]; | |
74 | return $this->convert($tuple["value"], $tuple["type"]); | |
75 | } | |
76 | ||
77 | if ($profile) { | |
78 | $profile_qpart = "profile = '$profile' AND"; | |
79 | } else { | |
80 | $profile_qpart = "profile IS NULL AND"; | |
81 | } | |
82 | ||
83 | if (get_schema_version() < 63) $profile_qpart = ""; | |
84 | ||
85 | $result = db_query("SELECT | |
86 | value,ttrss_prefs_types.type_name as type_name | |
87 | FROM | |
88 | ttrss_user_prefs,ttrss_prefs,ttrss_prefs_types | |
89 | WHERE | |
90 | $profile_qpart | |
91 | ttrss_user_prefs.pref_name = '$pref_name' AND | |
92 | ttrss_prefs_types.id = type_id AND | |
93 | owner_uid = '$user_id' AND | |
94 | ttrss_user_prefs.pref_name = ttrss_prefs.pref_name"); | |
95 | ||
96 | if (db_num_rows($result) > 0) { | |
97 | $value = db_fetch_result($result, 0, "value"); | |
98 | $type_name = db_fetch_result($result, 0, "type_name"); | |
99 | ||
100 | if ($user_id == $_SESSION["uid"]) { | |
101 | $this->cache[$pref_name]["type"] = $type_name; | |
102 | $this->cache[$pref_name]["value"] = $value; | |
103 | } | |
104 | ||
105 | return $this->convert($value, $type_name); | |
106 | ||
107 | } else { | |
108 | user_error("Fatal error, unknown preferences key: $pref_name", $die_on_error ? E_USER_ERROR : E_USER_WARNING); | |
109 | return null; | |
110 | } | |
111 | } | |
112 | ||
113 | function convert($value, $type_name) { | |
114 | if ($type_name == "bool") { | |
115 | return $value == "true"; | |
116 | } else if ($type_name == "integer") { | |
117 | return (int)$value; | |
118 | } else { | |
119 | return $value; | |
120 | } | |
121 | } | |
122 | ||
123 | function write($pref_name, $value, $user_id = false, $strip_tags = true) { | |
124 | $pref_name = db_escape_string($pref_name); | |
125 | $value = db_escape_string($value, $strip_tags); | |
126 | ||
127 | if (!$user_id) { | |
128 | $user_id = $_SESSION["uid"]; | |
129 | @$profile = $_SESSION["profile"]; | |
130 | } else { | |
131 | $user_id = sprintf("%d", $user_id); | |
132 | $prefs_cache = false; | |
133 | } | |
134 | ||
135 | if ($profile) { | |
136 | $profile_qpart = "AND profile = '$profile'"; | |
137 | } else { | |
138 | $profile_qpart = "AND profile IS NULL"; | |
139 | } | |
140 | ||
141 | if (get_schema_version() < 63) $profile_qpart = ""; | |
142 | ||
143 | $type_name = ""; | |
144 | $current_value = ""; | |
145 | ||
146 | if (isset($this->cache[$pref_name])) { | |
147 | $type_name = $this->cache[$pref_name]["type"]; | |
148 | $current_value = $this->cache[$pref_name]["value"]; | |
149 | } | |
150 | ||
151 | if (!$type_name) { | |
152 | $result = db_query("SELECT type_name | |
153 | FROM ttrss_prefs,ttrss_prefs_types | |
154 | WHERE pref_name = '$pref_name' AND type_id = ttrss_prefs_types.id"); | |
155 | ||
156 | if (db_num_rows($result) > 0) | |
157 | $type_name = db_fetch_result($result, 0, "type_name"); | |
158 | } else if ($current_value == $value) { | |
159 | return; | |
160 | } | |
161 | ||
162 | if ($type_name) { | |
163 | if ($type_name == "bool") { | |
164 | if ($value == "1" || $value == "true") { | |
165 | $value = "true"; | |
166 | } else { | |
167 | $value = "false"; | |
168 | } | |
169 | } else if ($type_name == "integer") { | |
170 | $value = sprintf("%d", $value); | |
171 | } | |
172 | ||
173 | if ($pref_name == 'USER_TIMEZONE' && $value == '') { | |
174 | $value = 'UTC'; | |
175 | } | |
176 | ||
177 | db_query("UPDATE ttrss_user_prefs SET | |
178 | value = '$value' WHERE pref_name = '$pref_name' | |
179 | $profile_qpart | |
180 | AND owner_uid = " . $_SESSION["uid"]); | |
181 | ||
182 | if ($user_id == $_SESSION["uid"]) { | |
183 | $this->cache[$pref_name]["type"] = $type_name; | |
184 | $this->cache[$pref_name]["value"] = $value; | |
185 | } | |
186 | } | |
187 | } | |
188 | ||
189 | } | |
190 | ?> |