| 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 |