Commit | Line | Data |
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208e2cbc AC |
1 | structure Init :> INIT = |
2 | struct | |
3 | ||
4 | open Util Sql | |
5 | structure C = PgClient | |
6 | ||
7 | exception Access of string | |
8 | ||
edeb626e | 9 | val urlPrefix = "http://users.hcoop.net/portal/" |
6f91863c | 10 | val boardEmail = "board.fake@hcoop.net" |
edeb626e | 11 | |
208e2cbc AC |
12 | fun conn () = C.conn "dbname='hcoop'" |
13 | val close = C.close | |
14 | ||
15 | type user = {id : int, name : string, rname : string, bal : int, joined : C.timestamp} | |
16 | ||
17 | val db = ref (NONE : C.conn option) | |
18 | val user = ref (NONE : user option) | |
19 | ||
ee587f7f AC |
20 | fun fromSql v = |
21 | if C.isNull v then | |
22 | "NULL" | |
23 | else | |
24 | C.stringFromSql v | |
25 | ||
26 | fun rowError (tab, vs) = raise Fail ("Bad " ^ tab ^ "row: " ^ makeSet fromSql vs) | |
27 | ||
208e2cbc AC |
28 | fun getDb () = valOf (!db) |
29 | ||
30 | fun mkUserRow [id, name, rname, bal, joined] = | |
31 | {id = C.intFromSql id, name = C.stringFromSql name, rname = C.stringFromSql rname, | |
32 | bal = C.intFromSql bal, joined = C.timestampFromSql joined} | |
ee587f7f | 33 | | mkUserRow row = rowError ("user", row) |
208e2cbc AC |
34 | |
35 | fun init () = | |
36 | let | |
9d1c0e98 AC |
37 | val _ = Util.init () |
38 | ||
208e2cbc AC |
39 | val c = conn () |
40 | in | |
41 | C.dml c "BEGIN"; | |
42 | case Web.getCgi "REMOTE_USER" of | |
43 | NONE => raise Fail "Not logged in" | |
44 | | SOME name => | |
45 | (case C.oneOrNoRows c ($`SELECT id, name, rname, bal, joined | |
46 | FROM WebUser | |
47 | WHERE name=^(C.stringToSql name)`) of | |
48 | NONE => raise Fail "User not found" | |
49 | | SOME r => user := SOME (mkUserRow r)); | |
50 | db := SOME c | |
51 | end | |
52 | ||
53 | fun done () = | |
54 | let | |
55 | val db = getDb () | |
56 | in | |
57 | C.dml db "COMMIT"; | |
58 | close db | |
59 | end | |
60 | ||
61 | fun getUser () = valOf (!user) | |
62 | fun getUserId () = #id (getUser ()) | |
63 | fun getUserName () = #name (getUser ()) | |
64 | ||
65 | fun lookupUser id = | |
66 | mkUserRow (C.oneRow (getDb ()) ($`SELECT id, name, rname, bal, joined | |
67 | FROM WebUser | |
68 | WHERE id = ^(C.intToSql id)`)) | |
69 | ||
70 | fun listUsers () = | |
71 | C.map (getDb ()) mkUserRow ($`SELECT id, name, rname, bal, joined | |
72 | FROM WebUser | |
73 | ORDER BY name`) | |
74 | ||
75 | fun nextSeq (db, seq) = | |
76 | case C.oneRow db ($`SELECT nextval('^(seq)')`) of | |
ee587f7f | 77 | [id] => C.intFromSql id |
208e2cbc AC |
78 | | _ => raise Fail "Bad next sequence val" |
79 | ||
80 | fun addUser (name, rname, bal) = | |
81 | let | |
82 | val db = getDb () | |
83 | val id = nextSeq (db, "WebUserSeq") | |
84 | in | |
85 | C.dml db ($`INSERT INTO WebUser (id, name, rname, bal, joined) | |
ee587f7f AC |
86 | VALUES (^(C.intToSql id), ^(C.stringToSql name), ^(C.stringToSql rname), ^(C.intToSql bal), CURRENT_TIMESTAMP)`); |
87 | id | |
208e2cbc AC |
88 | end |
89 | ||
90 | fun modUser (user : user) = | |
91 | let | |
92 | val db = getDb () | |
93 | in | |
94 | ignore (C.dml db ($`UPDATE WebUser SET | |
95 | name = ^(C.stringToSql (#name user)), rname = ^(C.stringToSql (#rname user)), | |
96 | bal = ^(C.intToSql (#bal user)) | |
97 | WHERE id = ^(C.intToSql (#id user))`)) | |
98 | end | |
99 | ||
100 | fun deleteUser id = | |
101 | C.dml (getDb ()) ($`DELETE FROM WebUser WHERE id = ^(C.intToSql id)`) | |
102 | ||
103 | fun validUsername name = | |
104 | size name <= 10 | |
105 | andalso CharVector.all Char.isAlpha name | |
106 | ||
107 | fun userNameToId name = | |
108 | case C.oneOrNoRows (getDb ()) ($`SELECT id FROM WebUser WHERE name = ^(C.stringToSql name)`) of | |
109 | SOME [id] => SOME (C.intFromSql id) | |
110 | | _ => NONE | |
111 | ||
112 | end |