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1 | structure Init :> INIT = |
2 | struct |
3 | |
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4 | open Util Sql Config |
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5 | structure C = PgClient |
6 | |
7 | exception Access of string |
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8 | exception NeedTos |
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9 | |
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10 | fun conn () = C.conn dbstring |
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11 | val close = C.close |
12 | |
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13 | type user = {id : int, name : string, rname : string, bal : int, joined : C.timestamp, |
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14 | app : int, shares : int} |
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15 | |
16 | val db = ref (NONE : C.conn option) |
17 | val user = ref (NONE : user option) |
18 | |
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19 | fun fromSql v = |
20 | if C.isNull v then |
21 | "NULL" |
22 | else |
23 | C.stringFromSql v |
24 | |
25 | fun rowError (tab, vs) = raise Fail ("Bad " ^ tab ^ "row: " ^ makeSet fromSql vs) |
26 | |
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27 | fun getDb () = valOf (!db) |
28 | |
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29 | fun mkUserRow [id, name, rname, bal, joined, app, shares] = |
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30 | {id = C.intFromSql id, name = C.stringFromSql name, rname = C.stringFromSql rname, |
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31 | bal = C.intFromSql bal, joined = C.timestampFromSql joined, |
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32 | app = C.intFromSql app, shares = C.intFromSql shares} |
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33 | | mkUserRow row = rowError ("user", row) |
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34 | |
35 | fun init () = |
36 | let |
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37 | val _ = Util.init () |
38 | |
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39 | val c = conn () |
40 | in |
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41 | db := SOME c; |
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42 | C.dml c "BEGIN"; |
43 | case Web.getCgi "REMOTE_USER" of |
44 | NONE => raise Fail "Not logged in" |
45 | | SOME name => |
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46 | (case C.oneOrNoRows c ($`SELECT id, name, rname, bal, joined, app, shares |
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47 | FROM WebUserActive |
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48 | WHERE name=^(C.stringToSql name)`) of |
49 | NONE => raise Fail "User not found" |
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50 | | SOME r => |
51 | let |
52 | val r = mkUserRow r |
53 | in |
54 | user := SOME r; |
55 | case C.oneOrNoRows c ($`SELECT ipaddr |
56 | FROM MemberApp |
57 | WHERE id = ^(C.intToSql (#app r)) |
58 | AND ipaddr IS NOT NULL`) of |
59 | NONE => |
60 | if Web.getParam "agree" = "on" then |
61 | (case Web.getCgi "REMOTE_ADDR" of |
62 | NONE => raise Fail "REMOTE_ADDR not set" |
63 | | SOME ra => |
64 | ignore (C.dml c ($`UPDATE MemberApp |
65 | SET ipaddr = ^(C.stringToSql ra), |
66 | applied = CURRENT_TIMESTAMP |
67 | WHERE id = ^(C.intToSql (#app r))`))) |
68 | else |
69 | raise NeedTos |
70 | | _ => () |
71 | end) |
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72 | end |
73 | |
74 | fun done () = |
75 | let |
76 | val db = getDb () |
77 | in |
78 | C.dml db "COMMIT"; |
79 | close db |
80 | end |
81 | |
82 | fun getUser () = valOf (!user) |
83 | fun getUserId () = #id (getUser ()) |
84 | fun getUserName () = #name (getUser ()) |
85 | |
86 | fun lookupUser id = |
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87 | mkUserRow (C.oneRow (getDb ()) ($`SELECT id, name, rname, bal, joined, app, shares |
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88 | FROM WebUser |
89 | WHERE id = ^(C.intToSql id)`)) |
90 | |
91 | fun listUsers () = |
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92 | C.map (getDb ()) mkUserRow ($`SELECT id, name, rname, bal, joined, app, shares |
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93 | FROM WebUser |
94 | ORDER BY name`) |
95 | |
96 | fun nextSeq (db, seq) = |
97 | case C.oneRow db ($`SELECT nextval('^(seq)')`) of |
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98 | [id] => C.intFromSql id |
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99 | | _ => raise Fail "Bad next sequence val" |
100 | |
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101 | fun addUser (name, rname, bal, app, shares) = |
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102 | let |
103 | val db = getDb () |
104 | val id = nextSeq (db, "WebUserSeq") |
105 | in |
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106 | C.dml db ($`INSERT INTO WebUser (id, name, rname, bal, joined, app, shares) |
107 | VALUES (^(C.intToSql id), ^(C.stringToSql name), ^(C.stringToSql rname), ^(C.intToSql bal), |
108 | CURRENT_TIMESTAMP, ^(C.intToSql app), ^(C.intToSql shares))`); |
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109 | id |
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110 | end |
111 | |
112 | fun modUser (user : user) = |
113 | let |
114 | val db = getDb () |
115 | in |
116 | ignore (C.dml db ($`UPDATE WebUser SET |
117 | name = ^(C.stringToSql (#name user)), rname = ^(C.stringToSql (#rname user)), |
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118 | bal = ^(C.intToSql (#bal user)), app = ^(C.intToSql (#app user)), |
119 | shares = ^(C.intToSql (#shares user)) |
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120 | WHERE id = ^(C.intToSql (#id user))`)) |
121 | end |
122 | |
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123 | fun byPledge () = |
124 | C.map (getDb ()) mkUserRow ($`SELECT id, name, rname, bal, joined, app, shares |
125 | FROM WebUser |
126 | WHERE shares > 1 |
127 | ORDER BY shares DESC`) |
128 | |
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129 | fun deleteUser id = |
130 | C.dml (getDb ()) ($`DELETE FROM WebUser WHERE id = ^(C.intToSql id)`) |
131 | |
132 | fun validUsername name = |
133 | size name <= 10 |
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134 | andalso size name > 0 |
135 | andalso Char.isLower (String.sub (name, 0)) |
136 | andalso CharVector.all Char.isAlphaNum name |
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137 | |
138 | fun userNameToId name = |
139 | case C.oneOrNoRows (getDb ()) ($`SELECT id FROM WebUser WHERE name = ^(C.stringToSql name)`) of |
140 | SOME [id] => SOME (C.intFromSql id) |
141 | | _ => NONE |
142 | |
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143 | fun dateString () = |
144 | case C.oneRow (getDb ()) "SELECT CURRENT_DATE" of |
145 | [d] => C.stringFromSql d |
146 | | r => rowError ("dateString", r) |
147 | |
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148 | fun grandfatherUsers () = |
149 | let |
150 | val db = getDb () |
151 | |
152 | fun mkApp [id, name, rname] = |
153 | let |
154 | val id = C.intFromSql id |
155 | val name = C.stringFromSql name |
156 | val rname = C.stringFromSql rname |
157 | |
158 | val aid = nextSeq (db, "MemberAppSeq") |
159 | in |
160 | ignore (C.dml db ($`INSERT INTO MemberApp (id, name, rname, gname, email, forward, uses, other, |
161 | passwd, status, applied, confirmed, decided, msg) |
162 | VALUES (^(C.intToSql aid), ^(C.stringToSql name), ^(C.stringToSql rname), |
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163 | NULL, '^name^(emailSuffix)', FALSE, 'GRANDFATHERED', 'GRANDFATHERED', |
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164 | 'GRANDFATHERED', 4, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP, |
165 | CURRENT_TIMESTAMP, 'GRANDFATHERED')`)); |
166 | ignore (C.dml db ($`UPDATE WebUser SET app = ^(C.intToSql aid) WHERE id = ^(C.intToSql id)`)) |
167 | end |
168 | in |
169 | C.app db mkApp "SELECT id, name, rname FROM WebUser WHERE app IS NULL" |
170 | end |
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171 | end |