Tue, 03 Aug 2010 10:58:15 +0100
sessionmanager: Remove dependency on eventmanager
2678
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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1 | |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
2 | local handlers = {}; |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
3 | |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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4 | handlers.accounts = { |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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5 | get = function(self, user) |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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6 | local select = self:query("select password from users where username=?", user); |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
7 | local row = select and select:fetch(); |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
8 | if row then return { password = row[1] }; end |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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9 | end; |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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10 | set = function(self, user, data) |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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11 | if data and data.password then |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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12 | return self:modify("update users set password=? where username=?", data.password, user) |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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13 | or self:modify("insert into users (username, password) values (?, ?)", user, data.password); |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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14 | else |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
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changeset
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15 | return self:modify("delete from users where username=?", user); |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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16 | end |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
17 | end; |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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18 | }; |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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19 | handlers.vcard = { |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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20 | get = function(self, user) |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
21 | local select = self:query("select vcard from vcard where username=?", user); |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
22 | local row = select and select:fetch(); |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
23 | if row then return parse_xml(row[1]); end |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
24 | end; |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
25 | set = function(self, user, data) |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
26 | if data then |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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27 | data = unparse_xml(data); |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
28 | return self:modify("update vcard set vcard=? where username=?", data, user) |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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29 | or self:modify("insert into vcard (username, vcard) values (?, ?)", user, data); |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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30 | else |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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31 | return self:modify("delete from vcard where username=?", user); |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
32 | end |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
33 | end; |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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34 | }; |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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35 | handlers.private = { |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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36 | get = function(self, user) |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
37 | local select = self:query("select namespace,data from private_storage where username=?", user); |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
38 | if select then |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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39 | local data = {}; |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
40 | for row in select:rows() do |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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41 | data[row[1]] = parse_xml(row[2]); |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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42 | end |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
43 | return data; |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
44 | end |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
45 | end; |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
46 | set = function(self, user, data) |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
47 | if data then |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
48 | self:modify("delete from private_storage where username=?", user); |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
49 | for namespace,text in pairs(data) do |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
50 | self:modify("insert into private_storage (username, namespace, data) values (?, ?, ?)", user, namespace, unparse_xml(text)); |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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51 | end |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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52 | return true; |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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53 | else |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
54 | return self:modify("delete from private_storage where username=?", user); |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
55 | end |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
56 | end; |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
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changeset
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57 | -- TODO map_set, map_get |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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58 | }; |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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59 | local subscription_map = { N = "none", B = "both", F = "from", T = "to" }; |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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60 | local subscription_map_reverse = { none = "N", both = "B", from = "F", to = "T" }; |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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61 | handlers.roster = { |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
62 | get = function(self, user) |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
63 | local select = self:query("select jid,nick,subscription,ask,server,subscribe,type from rosterusers where username=?", user); |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
64 | if select then |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
65 | local roster = { pending = {} }; |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
66 | for row in select:rows() do |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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67 | local jid,nick,subscription,ask,server,subscribe,typ = unpack(row); |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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68 | local item = { groups = {} }; |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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69 | if nick == "" then nick = nil; end |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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70 | item.nick = nick; |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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71 | item.subscription = subscription_map[subscription]; |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
72 | if ask == "N" then ask = nil; |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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73 | elseif ask == "O" then ask = "subscribe" |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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74 | elseif ask == "I" then roster.pending[jid] = true; ask = nil; |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
75 | elseif ask == "B" then roster.pending[jid] = true; ask = "subscribe"; |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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76 | else module:log("debug", "bad roster_item.ask: %s", ask); ask = nil; end |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
77 | item.ask = ask; |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
78 | roster[jid] = item; |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
79 | end |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
80 | |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
81 | select = self:query("select jid,grp from rostergroups where username=?", user); |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
82 | if select then |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
83 | for row in select:rows() do |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
84 | local jid,grp = unpack(rows); |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
85 | if roster[jid] then roster[jid].groups[grp] = true; end |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
86 | end |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
87 | end |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
88 | select = self:query("select version from roster_version where username=?", user); |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
89 | local row = select and select:fetch(); |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
90 | if row then |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
91 | roster[false] = { version = row[1]; }; |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
92 | end |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
93 | return roster; |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
94 | end |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
95 | end; |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
96 | set = function(self, user, data) |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
97 | if data and next(data) ~= nil then |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
98 | self:modify("delete from rosterusers where username=?", user); |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
99 | self:modify("delete from rostergroups where username=?", user); |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
100 | self:modify("delete from roster_version where username=?", user); |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
101 | local done = {}; |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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102 | local pending = data.pending or {}; |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
103 | for jid,item in pairs(data) do |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
104 | if jid and jid ~= "pending" then |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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105 | local subscription = subscription_map_reverse[item.subscription]; |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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106 | local ask; |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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107 | if pending[jid] then |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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108 | if item.ask then ask = "B"; else ask = "I"; end |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
109 | else |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
110 | if item.ask then ask = "O"; else ask = "N"; end |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
|
111 | end |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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112 | local r = self:modify("insert into rosterusers (username,jid,nick,subscription,ask,askmessage,server,subscribe) values (?, ?, ?, ?, ?, '', '', '')", user, jid, item.nick or "", subscription, ask); |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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113 | if not r then module:log("debug", "--- :( %s", tostring(r)); end |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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114 | done[jid] = true; |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
diff
changeset
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115 | for group in pairs(item.groups) do |
c5882e2e12b5
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116 | self:modify("insert into rostergroups (username,jid,grp) values (?, ?, ?)", user, jid, group); |
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Waqas Hussain <waqas20@gmail.com>
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117 | end |
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Waqas Hussain <waqas20@gmail.com>
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118 | end |
c5882e2e12b5
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Waqas Hussain <waqas20@gmail.com>
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119 | end |
c5882e2e12b5
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Waqas Hussain <waqas20@gmail.com>
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120 | for jid in pairs(pending) do |
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121 | if not done[jid] then |
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122 | self:modify("insert into rosterusers (username,jid,nick,subscription,ask,askmessage,server,subscribe) values (?, ?, ?, ?, ?. ''. ''. '')", user, jid, "", "N", "I"); |
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Waqas Hussain <waqas20@gmail.com>
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123 | end |
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Waqas Hussain <waqas20@gmail.com>
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124 | end |
c5882e2e12b5
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125 | local version = data[false] and data[false].version; |
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Waqas Hussain <waqas20@gmail.com>
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126 | if version then |
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127 | self:modify("insert into roster_version (username,version) values (?, ?)", user, version); |
c5882e2e12b5
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Waqas Hussain <waqas20@gmail.com>
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128 | end |
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Waqas Hussain <waqas20@gmail.com>
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129 | return true; |
c5882e2e12b5
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Waqas Hussain <waqas20@gmail.com>
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130 | else |
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Waqas Hussain <waqas20@gmail.com>
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131 | self:modify("delete from rosterusers where username=?", user); |
c5882e2e12b5
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Waqas Hussain <waqas20@gmail.com>
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132 | self:modify("delete from rostergroups where username=?", user); |
c5882e2e12b5
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Waqas Hussain <waqas20@gmail.com>
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133 | self:modify("delete from roster_version where username=?", user); |
c5882e2e12b5
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Waqas Hussain <waqas20@gmail.com>
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134 | end |
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Waqas Hussain <waqas20@gmail.com>
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135 | end; |
c5882e2e12b5
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Waqas Hussain <waqas20@gmail.com>
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136 | }; |
c5882e2e12b5
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Waqas Hussain <waqas20@gmail.com>
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137 | |
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Waqas Hussain <waqas20@gmail.com>
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138 | ----------------------------- |
c5882e2e12b5
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Waqas Hussain <waqas20@gmail.com>
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139 | local driver = {}; |
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140 | driver.__index = driver; |
c5882e2e12b5
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Waqas Hussain <waqas20@gmail.com>
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141 | |
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142 | function driver:prepare(sql) |
c5882e2e12b5
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143 | module:log("debug", "query: %s", sql); |
c5882e2e12b5
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Waqas Hussain <waqas20@gmail.com>
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144 | local err; |
c5882e2e12b5
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145 | if not self.sqlcache then self.sqlcache = {}; end |
c5882e2e12b5
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Waqas Hussain <waqas20@gmail.com>
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146 | local r = self.sqlcache[sql]; |
c5882e2e12b5
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147 | if r then return r; end |
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148 | r, err = self.database:prepare(sql); |
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149 | if not r then error("Unable to prepare SQL statement: "..err); end |
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150 | self.sqlcache[sql] = r; |
c5882e2e12b5
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Waqas Hussain <waqas20@gmail.com>
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151 | return r; |
c5882e2e12b5
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152 | end |
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Waqas Hussain <waqas20@gmail.com>
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153 | |
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154 | function driver:query(sql, ...) |
c5882e2e12b5
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Waqas Hussain <waqas20@gmail.com>
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155 | local stmt = self:prepare(sql); |
c5882e2e12b5
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156 | if stmt:execute(...) then return stmt; end |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
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157 | end |
c5882e2e12b5
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Waqas Hussain <waqas20@gmail.com>
parents:
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158 | function driver:modify(sql, ...) |
c5882e2e12b5
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Waqas Hussain <waqas20@gmail.com>
parents:
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159 | local stmt = self:query(sql, ...); |
c5882e2e12b5
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160 | if stmt and stmt:affected() > 0 then return stmt; end |
c5882e2e12b5
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Waqas Hussain <waqas20@gmail.com>
parents:
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161 | end |
c5882e2e12b5
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Waqas Hussain <waqas20@gmail.com>
parents:
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162 | |
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163 | function driver:open(host, datastore, typ) |
c5882e2e12b5
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164 | local cache_key = host.." "..datastore; |
c5882e2e12b5
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165 | if self.ds_cache[cache_key] then return self.ds_cache[cache_key]; end |
c5882e2e12b5
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166 | local instance = setmetatable({}, self); |
c5882e2e12b5
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167 | instance.host = host; |
c5882e2e12b5
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168 | instance.datastore = datastore; |
c5882e2e12b5
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169 | local handler = handlers[datastore]; |
c5882e2e12b5
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170 | if not handler then return nil; end |
c5882e2e12b5
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171 | for key,val in pairs(handler) do |
c5882e2e12b5
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172 | instance[key] = val; |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
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173 | end |
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Waqas Hussain <waqas20@gmail.com>
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174 | if instance.init then instance:init(); end |
c5882e2e12b5
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175 | self.ds_cache[cache_key] = instance; |
c5882e2e12b5
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Waqas Hussain <waqas20@gmail.com>
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176 | return instance; |
c5882e2e12b5
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Waqas Hussain <waqas20@gmail.com>
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177 | end |
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Waqas Hussain <waqas20@gmail.com>
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178 | |
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Waqas Hussain <waqas20@gmail.com>
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179 | ----------------------------- |
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180 | local _M = {}; |
c5882e2e12b5
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Waqas Hussain <waqas20@gmail.com>
parents:
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181 | |
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182 | function _M.new(dbtype, dbname, ...) |
c5882e2e12b5
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Waqas Hussain <waqas20@gmail.com>
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183 | local instance = setmetatable({}, driver); |
c5882e2e12b5
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Waqas Hussain <waqas20@gmail.com>
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184 | instance.__index = instance; |
c5882e2e12b5
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Waqas Hussain <waqas20@gmail.com>
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185 | instance.database = get_database(dbtype, dbname, ...); |
c5882e2e12b5
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Waqas Hussain <waqas20@gmail.com>
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186 | instance.ds_cache = {}; |
c5882e2e12b5
mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
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187 | return instance; |
c5882e2e12b5
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Waqas Hussain <waqas20@gmail.com>
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188 | end |
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Waqas Hussain <waqas20@gmail.com>
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189 | |
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190 | return _M; |