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1 | functor Request (T : REQUEST_IN) :> REQUEST_OUT = |
2 | struct |
3 | |
4 | open Util Sql Init |
5 | |
6 | val table = T.table |
7 | val seq = table ^ "Seq" |
8 | |
9 | datatype status = |
10 | NEW |
11 | | INSTALLED |
12 | | REJECTED |
13 | |
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14 | type request = { id : int, usr : int, data : string, msg : string, status : status, |
15 | stamp : C.timestamp, cstamp : C.timestamp option } |
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16 | |
17 | val statusFromInt = |
18 | fn 0 => NEW |
19 | | 1 => INSTALLED |
20 | | 2 => REJECTED |
21 | | _ => raise C.Sql "Bad APT request status" |
22 | |
23 | val statusToInt = |
24 | fn NEW => 0 |
25 | | INSTALLED => 1 |
26 | | REJECTED => 2 |
27 | |
28 | fun statusFromSql v = statusFromInt (C.intFromSql v) |
29 | fun statusToSql s = C.intToSql (statusToInt s) |
30 | |
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31 | fun mkRow [id, usr, data, msg, status, stamp, cstamp] = |
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32 | {id = C.intFromSql id, usr = C.intFromSql usr, data = C.stringFromSql data, |
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33 | msg = C.stringFromSql msg, status = statusFromSql status, stamp = C.timestampFromSql stamp, |
34 | cstamp = if C.isNull cstamp then NONE else SOME (C.timestampFromSql cstamp)} |
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35 | | mkRow r = rowError ("APT request", r) |
36 | |
37 | fun add (usr, data, msg) = |
38 | let |
39 | val db = getDb () |
40 | val id = nextSeq (db, seq) |
41 | in |
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42 | C.dml db ($`INSERT INTO ^table (id, usr, data, msg, status, stamp, cstamp) |
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43 | VALUES (^(C.intToSql id), ^(C.intToSql usr), ^(C.stringToSql data), ^(C.stringToSql msg), |
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44 | 0, CURRENT_TIMESTAMP, NULL)`); |
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45 | id |
46 | end |
47 | |
48 | fun modify (req : request) = |
49 | let |
50 | val db = getDb () |
51 | in |
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52 | if #status req <> NEW then |
53 | ignore (C.dml db ($`UPDATE ^table SET cstamp = CURRENT_TIMESTAMP WHERE id = ^(C.intToSql (#id req))`)) |
54 | else |
55 | (); |
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56 | ignore (C.dml db ($`UPDATE ^table SET |
57 | usr = ^(C.intToSql (#usr req)), data = ^(C.stringToSql (#data req)), |
58 | msg = ^(C.stringToSql (#msg req)), status = ^(statusToSql (#status req)) |
59 | WHERE id = ^(C.intToSql (#id req))`)) |
60 | end |
61 | |
62 | fun delete id = |
63 | ignore (C.dml (getDb ()) ($`DELETE FROM ^table WHERE id = ^(C.intToSql id)`)) |
64 | |
65 | fun lookup id = |
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66 | case C.oneOrNoRows (getDb ()) ($`SELECT id, usr, data, msg, status, stamp, cstamp |
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67 | FROM ^table |
68 | WHERE id = ^(C.intToSql id)`) of |
69 | SOME row => mkRow row |
70 | | NONE => raise Fail ($`^table request not found`) |
71 | |
72 | fun mkRow' (name :: rest) = (C.stringFromSql name, mkRow rest) |
73 | | mkRow' r = rowError ("Apt.request'", r) |
74 | |
75 | fun list () = |
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76 | C.map (getDb ()) mkRow' ($`SELECT name, ^table.id, usr, data, msg, status, stamp, cstamp |
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77 | FROM ^table JOIN WebUser ON usr = WebUser.id |
78 | ORDER BY stamp DESC`) |
79 | |
80 | fun listOpen () = |
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81 | C.map (getDb ()) mkRow' ($`SELECT name, ^table.id, usr, data, msg, status, stamp, cstamp |
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82 | FROM ^table JOIN WebUser ON usr = WebUser.id |
83 | WHERE status = 0 |
84 | ORDER BY stamp DESC`) |
85 | |
86 | fun notify f req = |
87 | let |
88 | val grp = |
89 | case Group.groupNameToId T.adminGroup of |
90 | NONE => 0 |
91 | | SOME grp => grp |
92 | |
93 | val req = lookup req |
94 | val user = Init.lookupUser (#usr req) |
95 | |
96 | val mail = Mail.mopen () |
97 | |
98 | fun doOne [name] = |
99 | let |
100 | val name = C.stringFromSql name |
101 | in |
102 | if name = #name user then |
103 | () |
104 | else |
105 | (Mail.mwrite (mail, name); |
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106 | Mail.mwrite (mail, emailSuffix); |
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107 | Mail.mwrite (mail, ",")) |
108 | end |
109 | | doOne r = rowError (table ^ ".doOne", r) |
110 | in |
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111 | Mail.mwrite (mail, "From: Hcoop Portal <portal"); |
112 | Mail.mwrite (mail, emailSuffix); |
113 | Mail.mwrite (mail, ">\nTo: "); |
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114 | Mail.mwrite (mail, #name user); |
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115 | Mail.mwrite (mail, emailSuffix); |
116 | Mail.mwrite (mail, "\nBcc: "); |
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117 | C.app (getDb ()) doOne ($`SELECT name |
118 | FROM WebUser JOIN Membership ON (usr = id AND grp = ^(C.intToSql grp))`); |
119 | Mail.mwrite (mail, "\nSubject: "); |
120 | Mail.mwrite (mail, T.subject (#data req)); |
121 | Mail.mwrite (mail, "\n\n"); |
122 | |
123 | f (user, mail); |
124 | |
125 | T.body (mail, #data req); |
126 | |
127 | Mail.mwrite (mail, "\n"); |
128 | Mail.mwrite (mail, #msg req); |
129 | |
130 | Mail.mwrite (mail, "\n\nOpen requests: "); |
131 | Mail.mwrite (mail, urlPrefix); |
132 | Mail.mwrite (mail, T.template); |
133 | Mail.mwrite (mail, "?cmd=open\n"); |
134 | |
135 | OS.Process.isSuccess (Mail.mclose mail) |
136 | end |
137 | |
138 | val notifyNew = notify (fn (user, mail) => |
139 | (Mail.mwrite (mail, #name user); |
140 | Mail.mwrite (mail, " has requested the following "); |
141 | Mail.mwrite (mail, T.descr); |
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142 | Mail.mwrite (mail, ":\n\n"))) |
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143 | |
144 | val statusToString = |
145 | fn NEW => "New" |
146 | | INSTALLED => "Installed" |
147 | | REJECTED => "Rejected" |
148 | |
149 | fun notifyMod (oldStatus, newStatus, changer, req) = |
150 | notify (fn (_, mail) => |
151 | (Mail.mwrite (mail, changer); |
152 | Mail.mwrite (mail, " has changed the status of this request from "); |
153 | Mail.mwrite (mail, statusToString oldStatus); |
154 | Mail.mwrite (mail, " to "); |
155 | Mail.mwrite (mail, statusToString newStatus); |
156 | Mail.mwrite (mail, ".\n\n"))) req |
157 | |
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158 | end |