1 structure Init
:> INIT
=
7 exception Access
of string
9 val urlPrefix
= "http://users.hcoop.net/portal/"
11 fun conn () = C
.conn
"dbname='hcoop'"
14 type user
= {id
: int, name
: string, rname
: string, bal
: int, joined
: C
.timestamp
}
16 val db
= ref (NONE
: C
.conn option
)
17 val user
= ref (NONE
: user option
)
25 fun rowError (tab
, vs
) = raise Fail ("Bad " ^ tab ^
"row: " ^ makeSet fromSql vs
)
27 fun getDb () = valOf (!db
)
29 fun mkUserRow
[id
, name
, rname
, bal
, joined
] =
30 {id
= C
.intFromSql id
, name
= C
.stringFromSql name
, rname
= C
.stringFromSql rname
,
31 bal
= C
.intFromSql bal
, joined
= C
.timestampFromSql joined
}
32 | mkUserRow row
= rowError ("user", row
)
39 case Web
.getCgi
"REMOTE_USER" of
40 NONE
=> raise Fail
"Not logged in"
42 (case C
.oneOrNoRows
c ($`SELECT id
, name
, rname
, bal
, joined
44 WHERE name
=^
(C
.stringToSql name
)`
) of
45 NONE
=> raise Fail
"User not found"
46 | SOME r
=> user
:= SOME (mkUserRow r
));
58 fun getUser () = valOf (!user
)
59 fun getUserId () = #
id (getUser ())
60 fun getUserName () = #
name (getUser ())
63 mkUserRow (C
.oneRow (getDb ()) ($`SELECT id
, name
, rname
, bal
, joined
65 WHERE id
= ^
(C
.intToSql id
)`
))
68 C
.map (getDb ()) mkUserRow ($`SELECT id
, name
, rname
, bal
, joined
72 fun nextSeq (db
, seq
) =
73 case C
.oneRow
db ($`SELECT
nextval('^
(seq
)')`
) of
74 [id
] => C
.intFromSql id
75 | _
=> raise Fail
"Bad next sequence val"
77 fun addUser (name
, rname
, bal
) =
80 val id
= nextSeq (db
, "WebUserSeq")
82 C
.dml
db ($`INSERT INTO
WebUser (id
, name
, rname
, bal
, joined
)
83 VALUES (^
(C
.intToSql id
), ^
(C
.stringToSql name
), ^
(C
.stringToSql rname
), ^
(C
.intToSql bal
), CURRENT_TIMESTAMP
)`
);
87 fun modUser (user
: user
) =
91 ignore (C
.dml
db ($`UPDATE WebUser SET
92 name
= ^
(C
.stringToSql (#name user
)), rname
= ^
(C
.stringToSql (#rname user
)),
93 bal
= ^
(C
.intToSql (#bal user
))
94 WHERE id
= ^
(C
.intToSql (#id user
))`
))
98 C
.dml (getDb ()) ($`DELETE FROM WebUser WHERE id
= ^
(C
.intToSql id
)`
)
100 fun validUsername name
=
102 andalso CharVector
.all
Char.isAlpha name
104 fun userNameToId name
=
105 case C
.oneOrNoRows (getDb ()) ($`SELECT id FROM WebUser WHERE name
= ^
(C
.stringToSql name
)`
) of
106 SOME
[id
] => SOME (C
.intFromSql id
)