add44c00 |
1 | structure Roll :> ROLL = struct |
2 | |
3 | open Init Sql Util |
4 | |
5 | fun activeUsernames () = |
6 | let |
7 | fun mkRow [name] = C.stringFromSql name |
8 | | mkRow row = rowError ("activeUsernames", row) |
9 | in |
10 | C.map (getDb ()) mkRow "SELECT name FROM WebUserActive ORDER BY name" |
11 | end |
12 | |
13 | type roll_call = { |
14 | id : int, |
15 | title : string, |
16 | msg : string, |
17 | started : C.timestamp |
18 | } |
19 | |
20 | fun mkRollRow [id, title, msg, started] = |
21 | {id = C.intFromSql id, title = C.stringFromSql title, |
22 | msg = C.stringFromSql msg, started = C.timestampFromSql started} |
23 | | mkRollRow row = rowError ("roll", row) |
24 | |
25 | fun addRollCall (title, msg) = |
26 | let |
27 | val db = getDb () |
28 | val id = nextSeq (db, "RollCallSeq") |
29 | |
30 | fun addUser [uid, name] = |
31 | let |
32 | val uid = C.intFromSql uid |
33 | val name = C.stringFromSql name |
34 | val code = randomPassword () |
35 | |
36 | val _ = C.dml db ($`INSERT INTO RollCallEntry (rol, usr, code, responded) |
37 | VALUES (^(C.intToSql id), ^(C.intToSql uid), ^(C.stringToSql code), NULL)`) |
38 | |
39 | val mail = Mail.mopen () |
40 | in |
41 | Mail.mwrite (mail, "From: Hcoop Portal <hcoop"); |
42 | Mail.mwrite (mail, emailSuffix); |
43 | Mail.mwrite (mail, ">\nTo: "); |
44 | Mail.mwrite (mail, name); |
45 | Mail.mwrite (mail, emailSuffix); |
46 | Mail.mwrite (mail, "\nSubject: HCoop Roll Call: "); |
47 | Mail.mwrite (mail, title); |
48 | Mail.mwrite (mail, "\n\n"); |
49 | Mail.mwrite (mail, "The admins want to make sure that they can reach everyone by e-mail. To let them know that you're here, please visit this URL:\n\t"); |
50 | Mail.mwrite (mail, urlPrefix); |
51 | Mail.mwrite (mail, "roll?cmd=respond&rol="); |
52 | Mail.mwrite (mail, Int.toString id); |
53 | Mail.mwrite (mail, "&code="); |
54 | Mail.mwrite (mail, code); |
55 | Mail.mwrite (mail, "\nYou may have to hit \"reload\" in your web browser, if you aren't already logged into the portal.\n\n"); |
56 | Mail.mwrite (mail, msg); |
57 | ignore (Mail.mclose mail) |
58 | end |
59 | | addUser row = rowError ("add roll entry", row) |
60 | in |
61 | C.dml db ($`INSERT INTO RollCall (id, title, msg, started) |
62 | VALUES (^(C.intToSql id), ^(C.stringToSql title), ^(C.stringToSql msg), |
63 | CURRENT_TIMESTAMP)`); |
64 | C.app db addUser "SELECT id, name FROM WebUserActive"; |
65 | id |
66 | end |
67 | |
68 | fun modRollCall (rc : roll_call) = |
69 | let |
70 | val db = getDb () |
71 | in |
72 | ignore (C.dml db ($`UPDATE RollCall SET |
73 | title = ^(C.stringToSql (#title rc)), |
74 | msg = ^(C.stringToSql (#msg rc)) |
75 | WHERE id = ^(C.intToSql (#id rc))`)) |
76 | end |
77 | |
78 | fun deleteRollCall id = |
79 | ignore (C.dml (getDb ()) ($`DELETE FROM RollCall WHERE id = ^(C.intToSql id)`)) |
80 | |
81 | fun lookupRollCall id = |
82 | case C.oneOrNoRows (getDb ()) ($`SELECT id, title, msg, started |
83 | FROM RollCall |
84 | WHERE id = ^(C.intToSql id)`) of |
85 | NONE => raise Fail "Roll call not found" |
86 | | SOME row => mkRollRow row |
87 | |
88 | fun listRollCalls id = |
89 | C.map (getDb ()) mkRollRow "SELECT id, title, msg, started FROM RollCall ORDER BY started DESC" |
90 | |
91 | type roll_call_entry = { |
92 | rol : int, |
93 | usr : int, |
94 | code : string, |
95 | responded : C.timestamp option |
96 | } |
97 | |
98 | fun mkEntryRow [rol, usr, code, responded] = |
99 | {rol = C.intFromSql rol, usr = C.intFromSql usr, |
100 | code = C.stringFromSql code, |
101 | responded = (if C.isNull responded then NONE else SOME (C.timestampFromSql responded))} |
102 | | mkEntryRow row = rowError ("roll entry", row) |
103 | |
104 | fun lookupEntry (rol, usr) = |
105 | case C.oneOrNoRows (getDb ()) ($`SELECT rol, usr, code, responded |
106 | FROM RollCallEntry |
107 | WHERE rol = ^(C.intToSql rol) AND usr = ^(C.intToSql usr)`) of |
108 | NONE => raise Fail "Roll call entry not found" |
109 | | SOME row => mkEntryRow row |
110 | |
111 | fun listEntries id = |
112 | let |
113 | fun folder (_ :: row, (didnt, did)) = |
114 | let |
115 | val ent = mkEntryRow row |
116 | val uent = (Init.lookupUser (#usr ent), ent) |
117 | in |
118 | case #responded ent of |
119 | NONE => (uent :: didnt, did) |
120 | | SOME _ => (didnt, uent :: did) |
121 | end |
122 | | folder (row, _) = rowError ("listEntries folder", row) |
123 | in |
124 | C.fold (getDb ()) folder ([], []) |
125 | ($`SELECT name, rol, usr, code, responded |
126 | FROM RollCallEntry JOIN WebUser ON id = usr |
127 | WHERE rol = ^(C.intToSql id) |
128 | ORDER BY responded, name DESC`) |
129 | end |
130 | |
131 | fun respond (rol, usr) = |
132 | ignore (C.dml (getDb ()) ($`UPDATE RollCallEntry |
133 | SET responded = CURRENT_TIMESTAMP |
134 | WHERE rol = ^(C.intToSql rol) AND usr = ^(C.intToSql usr)`)) |
135 | |
136 | end |