Mercurial > urweb

annotate demo/more/conference.ur @ 1023:e46227efcbba

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Bidding interface
author Adam Chlipala <adamc@hcoop.net>
date Sun, 01 Nov 2009 10:20:20 -0500
parents 4de35df3d545
children 7facf72aaf0a
rev   line source
adamc@1022 1 signature INPUT = sig
adamc@1023 2 con paper :: {Type}
adamc@1022 3 constraint [Id, Document] ~ paper
adamc@1022 4
adamc@1022 5 type userId
adamc@1022 6 val userId_inj : sql_injectable_prim userId
adamc@1022 7 table user : {Id : userId, Nam : string, Password : string, Chair : bool, OnPc : bool}
adamc@1022 8 PRIMARY KEY Id,
adamc@1022 9 CONSTRAINT Nam UNIQUE Nam
adamc@1022 10
adamc@1022 11 type paperId
adamc@1022 12 val paperId_inj : sql_injectable_prim paperId
adamc@1023 13 val paperId_show : show paperId
adamc@1023 14 val paperId_read : read paperId
adamc@1023 15 table paper : ([Id = paperId, Document = blob] ++ paper)
adamc@1022 16 PRIMARY KEY Id
adamc@1022 17
adamc@1022 18 val checkLogin : transaction (option {Id : userId, Nam : string, Chair : bool, OnPc : bool})
adamc@1022 19 val getLogin : transaction {Id : userId, Nam : string, Chair : bool, OnPc : bool}
adamc@1023 20 val getPcLogin : transaction {Id : userId, Nam : string, Chair : bool}
adamc@1023 21 val summarizePaper : ctx ::: {Unit} -> [[Body] ~ ctx] => $paper -> xml ([Body] ++ ctx) [] []
adamc@1022 22 end
adamc@1022 23
adamc@1022 24 signature OUTPUT = sig
adamc@1023 25 con paper :: {Type}
adamc@1022 26 type userId
adamc@1022 27 type paperId
adamc@1022 28
adamc@1022 29 val linksForPc : xbody
adamc@1022 30
adamc@1022 31 con yourPaperTables :: {{Type}}
adamc@1022 32 constraint [Paper] ~ yourPaperTables
adamc@1022 33 val joinYourPaper : tabs ::: {{Type}} -> paper ::: {Type}
adamc@1022 34 -> [[Paper] ~ tabs] => [[Paper] ~ yourPaperTables] => [tabs ~ yourPaperTables] => [[Id] ~ paper] =>
adamc@1022 35 sql_from_items ([Paper = [Id = paperId] ++ paper] ++ tabs)
adamc@1022 36 -> sql_from_items (yourPaperTables ++ [Paper = [Id = paperId] ++ paper] ++ tabs)
adamc@1022 37 end
adamc@1022 38
adamc@1004 39 open Meta
adamc@1001 40
adamc@1001 41 functor Make(M : sig
adamc@1003 42 con paper :: {(Type * Type)}
adamc@1010 43 constraint [Id, Document, Authors] ~ paper
adamc@1003 44 val paper : $(map meta paper)
adamc@1007 45 val paperFolder : folder paper
adamc@1003 46
adamc@1001 47 con review :: {(Type * Type)}
adamc@1003 48 constraint [Paper, User] ~ review
adamc@1003 49 val review : $(map meta review)
adamc@1011 50 val reviewFolder : folder review
adamc@1006 51
adamc@1006 52 val submissionDeadline : time
adamc@1023 53 val summarizePaper : ctx ::: {Unit} -> [[Body] ~ ctx] => $(map fst paper) -> xml ([Body] ++ ctx) [] []
adamc@1022 54
adamc@1023 55 functor Make (M : INPUT where con paper = map fst paper)
adamc@1023 56 : OUTPUT where con paper = map fst paper
adamc@1023 57 where con userId = M.userId
adamc@1022 58 where con paperId = M.paperId
adamc@1001 59 end) = struct
adamc@1001 60
adamc@1003 61 table user : {Id : int, Nam : string, Password : string, Chair : bool, OnPc : bool}
adamc@1003 62 PRIMARY KEY Id,
adamc@1003 63 CONSTRAINT Nam UNIQUE Nam
adamc@1003 64 sequence userId
adamc@1003 65
adamc@1008 66 con paper = [Id = int, Document = blob] ++ map fst M.paper
adamc@1003 67 table paper : paper
adamc@1003 68 PRIMARY KEY Id
adamc@1003 69 sequence paperId
adamc@1003 70
adamc@1010 71 table authorship : {Paper : int, User : int}
adamc@1010 72 PRIMARY KEY (Paper, User),
adamc@1011 73 CONSTRAINT Paper FOREIGN KEY Paper REFERENCES paper(Id) ON DELETE CASCADE,
adamc@1010 74 CONSTRAINT User FOREIGN KEY User REFERENCES user(Id)
adamc@1010 75
adamc@1003 76 con review = [Paper = int, User = int] ++ map fst M.review
adamc@1003 77 table review : review
adamc@1003 78 PRIMARY KEY (Paper, User),
adamc@1003 79 CONSTRAINT Paper FOREIGN KEY Paper REFERENCES paper(Id),
adamc@1003 80 CONSTRAINT User FOREIGN KEY User REFERENCES user(Id)
adamc@1003 81 sequence reviewId
adamc@1003 82
adamc@1003 83 cookie login : {Id : int, Password : string}
adamc@1003 84
adamc@1004 85 val checkLogin =
adamc@1003 86 r <- getCookie login;
adamc@1003 87 case r of
adamc@1003 88 None => return None
adamc@1003 89 | Some r =>
adamc@1003 90 oneOrNoRows1 (SELECT user.Id, user.Nam, user.Chair, user.OnPc
adamc@1003 91 FROM user
adamc@1003 92 WHERE user.Id = {[r.Id]}
adamc@1003 93 AND user.Password = {[r.Password]})
adamc@1003 94
adamc@1010 95 val getLogin =
adamc@1010 96 ro <- checkLogin;
adamc@1010 97 case ro of
adamc@1010 98 None => error <xml>You must be logged in to do that.</xml>
adamc@1010 99 | Some r => return r
adamc@1010 100
adamc@1023 101 val getPcLogin =
adamc@1023 102 r <- getLogin;
adamc@1023 103 if r.OnPc then
adamc@1023 104 return (r -- #OnPc)
adamc@1023 105 else
adamc@1023 106 error <xml>You are not on the PC.</xml>
adamc@1023 107
adamc@1022 108 structure O = M.Make(struct
adamc@1022 109 val user = user
adamc@1022 110 val paper = paper
adamc@1022 111 val checkLogin = checkLogin
adamc@1022 112 val getLogin = getLogin
adamc@1023 113 val getPcLogin = getPcLogin
adamc@1023 114 val summarizePaper = @@M.summarizePaper
adamc@1022 115 end)
adamc@1022 116
adamc@1022 117 val checkOnPc =
adamc@1022 118 r <- getLogin;
adamc@1022 119 if r.OnPc then
adamc@1022 120 return ()
adamc@1022 121 else
adamc@1022 122 error <xml>You aren't authorized to do that.</xml>
adamc@1022 123
adamc@1009 124 fun checkPaper id =
adamc@1010 125 r <- getLogin;
adamc@1010 126 if r.OnPc then
adamc@1009 127 return ()
adamc@1009 128 else
adamc@1010 129 error <xml>You aren't authorized to see that paper.</xml>
adamc@1009 130
adamc@1004 131 structure Users = BulkEdit.Make(struct
adamc@1004 132 con keyName = #Id
adamc@1004 133 val visible = {Nam = string "Name",
adamc@1004 134 Chair = bool "Chair?",
adamc@1004 135 OnPc = bool "On PC?"}
adamc@1004 136
adamc@1004 137 val title = "Users"
adamc@1004 138 val isAllowed =
adamc@1004 139 me <- checkLogin;
adamc@1004 140 return (Option.isSome me)
adamc@1004 141
adamc@1004 142 val t = user
adamc@1004 143 end)
adamc@1004 144
adamc@1003 145 fun doRegister r =
adamc@1003 146 n <- oneRowE1 (SELECT COUNT( * ) AS N
adamc@1003 147 FROM user
adamc@1003 148 WHERE user.Nam = {[r.Nam]});
adamc@1003 149 if n > 0 then
adamc@1003 150 register (Some "Sorry; that username is taken.")
adamc@1003 151 else
adamc@1003 152 id <- nextval userId;
adamc@1003 153 dml (INSERT INTO user (Id, Nam, Password, Chair, OnPc)
adamc@1003 154 VALUES ({[id]}, {[r.Nam]}, {[r.Password]}, FALSE, FALSE));
adamc@1003 155 setCookie login {Id = id, Password = r.Password};
adamc@1003 156 main ()
adamc@1003 157
adamc@1003 158 and register msg = return <xml><body>
adamc@1003 159 <h1>Registering a New Account</h1>
adamc@1003 160
adamc@1003 161 {case msg of
adamc@1003 162 None => <xml/>
adamc@1003 163 | Some msg => <xml><div>{[msg]}</div></xml>}
adamc@1003 164
adamc@1003 165 <form><table>
adamc@1003 166 <tr> <th>Username:</th> <td><textbox{#Nam}/></td> </tr>
adamc@1003 167 <tr> <th>Password:</th> <td><password{#Password}/></td> </tr>
adamc@1003 168 <tr> <th><submit action={doRegister}/></th> </tr>
adamc@1003 169 </table></form>
adamc@1003 170 </body></xml>
adamc@1003 171
adamc@1006 172 and signin r =
adamc@1006 173 ro <- oneOrNoRowsE1 (SELECT user.Id AS N
adamc@1006 174 FROM user
adamc@1006 175 WHERE user.Nam = {[r.Nam]}
adamc@1006 176 AND user.Password = {[r.Password]});
adamc@1006 177 (case ro of
adamc@1006 178 None => return ()
adamc@1006 179 | Some id => setCookie login {Id = id, Password = r.Password});
adamc@1006 180 m <- main' ();
adamc@1006 181 return <xml><body>
adamc@1006 182 {case ro of
adamc@1006 183 None => <xml><div>Invalid username or password.</div></xml>
adamc@1006 184 | _ => <xml/>}
adamc@1006 185
adamc@1006 186 {m}
adamc@1006 187 </body></xml>
adamc@1006 188
adamc@1006 189 and main' () =
adamc@1004 190 me <- checkLogin;
adamc@1006 191 now <- now;
adamc@1006 192 return <xml><ul>
adamc@1003 193 {case me of
adamc@1006 194 None => <xml>
adamc@1006 195 <li><a link={register None}>Register for access</a></li>
adamc@1006 196 <li><b>Log in:</b> <form><table>
adamc@1006 197 <tr> <th>Username:</th> <td><textbox{#Nam}/></td> </tr>
adamc@1006 198 <tr> <th>Password:</th> <td><password{#Password}/></td> </tr>
adamc@1006 199 <tr> <th><submit value="Log in" action={signin}/></th> </tr>
adamc@1006 200 </table></form></li>
adamc@1006 201 </xml>
adamc@1004 202 | Some me => <xml>
adamc@1004 203 <div>Welcome, {[me.Nam]}!</div>
adamc@1004 204
adamc@1004 205 {if me.Chair then
adamc@1004 206 <xml><li><a link={Users.main ()}>Manage users</a></li></xml>
adamc@1004 207 else
adamc@1004 208 <xml/>}
adamc@1006 209
adamc@1009 210 {if me.OnPc then
adamc@1022 211 <xml>
adamc@1022 212 <li><a link={all ()}>All papers</a></li>
adamc@1023 213 <li><a link={your ()}>Your papers</a></li>
adamc@1022 214 {O.linksForPc}
adamc@1022 215 </xml>
adamc@1009 216 else
adamc@1009 217 <xml/>}
adamc@1009 218
adamc@1006 219 {if now < M.submissionDeadline then
adamc@1007 220 <xml><li><a link={submit ()}>Submit</a></li></xml>
adamc@1006 221 else
adamc@1006 222 <xml/>}
adamc@1004 223 </xml>}
adamc@1006 224 </ul></xml>
adamc@1006 225
adamc@1006 226 and main () =
adamc@1006 227 m <- main' ();
adamc@1006 228 return <xml><body>{m}</body></xml>
adamc@1001 229
adamc@1008 230 and submit () =
adamc@1008 231 let
adamc@1009 232 fun doSubmit r =
adamc@1010 233 me <- getLogin;
adamc@1010 234 coauthors <- List.mapM (fn name => oneOrNoRowsE1 (SELECT user.Id AS N
adamc@1010 235 FROM user
adamc@1010 236 WHERE user.Nam = {[name.Nam]})) r.Authors;
adamc@1010 237 if List.exists Option.isNone coauthors then
adamc@1010 238 error <xml>At least one of those coauthor usernames isn't registered.</xml>
adamc@1010 239 else
adamc@1010 240 id <- nextval paperId;
adamc@1010 241 dml (insert paper ({Id = sql_inject id, Document = sql_inject (fileData r.Document)}
adamc@1010 242 ++ ensql M.paper (r -- #Authors -- #Document) M.paperFolder));
adamc@1010 243 List.app (fn uid =>
adamc@1010 244 case uid of
adamc@1010 245 None => error <xml>Impossible empty uid!</xml>
adamc@1010 246 | Some uid => dml (INSERT INTO authorship (Paper, User)
adamc@1010 247 VALUES ({[id]}, {[uid]})))
adamc@1010 248 (Some me.Id :: coauthors);
adamc@1010 249 return <xml><body>
adamc@1010 250 Thanks for submitting!
adamc@1010 251 </body></xml>
adamc@1008 252 in
adamc@1010 253 me <- getLogin;
adamc@1015 254 numAuthors <- Dnat.zero;
adamc@1010 255
adamc@1008 256 return <xml><body>
adamc@1008 257 <h1>Submit a Paper</h1>
adamc@1008 258
adamc@1008 259 <form>
adamc@1010 260 <b>Author:</b> {[me.Nam]}<br/>
adamc@1010 261 <subforms{#Authors}>
adamc@1015 262 {Dnat.render <xml><entry><b>Author:</b> <textbox{#Nam}/><br/></entry></xml> numAuthors}
adamc@1010 263 </subforms>
adamc@1015 264 <button value="Add author" onclick={Dnat.inc numAuthors}/><br/>
adamc@1015 265 <button value="Remove author" onclick={Dnat.dec numAuthors}/><br/>
adamc@1010 266 <br/>
adamc@1010 267
adamc@1010 268 {useMore (allWidgets M.paper M.paperFolder)}
adamc@1008 269 <b>Paper:</b> <upload{#Document}/><br/>
adamc@1008 270 <submit value="Submit" action={doSubmit}/>
adamc@1008 271 </form>
adamc@1008 272 </body></xml>
adamc@1008 273 end
adamc@1007 274
adamc@1022 275 and listPapers [tabs] [[Paper] ~ tabs] (q : sql_query ([Paper = [Id = int] ++ map fst M.paper] ++ tabs) []) =
adamc@1022 276 checkOnPc;
adamc@1022 277 ps <- queryX q
adamc@1022 278 (fn r => <xml><li><a link={one r.Paper.Id}>{M.summarizePaper (r.Paper -- #Id)}</a></li></xml>);
adamc@1009 279 return <xml><body>
adamc@1009 280 <h1>All Papers</h1>
adamc@1022 281
adamc@1009 282 <ul>
adamc@1009 283 {ps}
adamc@1009 284 </ul>
adamc@1009 285 </body></xml>
adamc@1009 286
adamc@1022 287 and all () =
adamc@1022 288 checkOnPc;
adamc@1022 289 listPapers (SELECT paper.Id, paper.{{map fst M.paper}} FROM paper)
adamc@1022 290
adamc@1022 291 and your () =
adamc@1022 292 me <- getLogin;
adamc@1022 293 listPapers (sql_query {Rows = sql_query1 {Distinct = False,
adamc@1022 294 From = O.joinYourPaper (sql_from_table [#Paper] paper),
adamc@1022 295 Where = (WHERE TRUE),
adamc@1022 296 GroupBy = sql_subset_all [_],
adamc@1022 297 Having = (WHERE TRUE),
adamc@1022 298 SelectFields = sql_subset [[Paper = ([Id = _] ++ map fst M.paper, _)]
adamc@1022 299 ++ map (fn ts => ([], ts))
adamc@1022 300 O.yourPaperTables],
adamc@1022 301 SelectExps = {}},
adamc@1022 302 OrderBy = sql_order_by_Nil [_],
adamc@1022 303 Limit = sql_no_limit,
adamc@1022 304 Offset = sql_no_offset})
adamc@1022 305
adamc@1009 306 and one id =
adamc@1012 307 let
adamc@1012 308 fun newReview r =
adamc@1012 309 me <- getLogin;
adamc@1012 310 checkPaper id;
adamc@1012 311 dml (insert review ({Paper = sql_inject id, User = sql_inject me.Id}
adamc@1012 312 ++ ensql M.review r M.reviewFolder));
adamc@1012 313 one id
adamc@1009 314
adamc@1012 315 fun saveReview r =
adamc@1012 316 me <- getLogin;
adamc@1012 317 checkPaper id;
adamc@1012 318 dml (update [map fst M.review] ! (ensql M.review r M.reviewFolder)
adamc@1012 319 review (WHERE T.Paper = {[id]} AND T.User = {[me.Id]}));
adamc@1012 320 one id
adamc@1012 321 in
adamc@1012 322 me <- getLogin;
adamc@1012 323 checkPaper id;
adamc@1012 324 ro <- oneOrNoRows (SELECT paper.{{map fst M.paper}}, octet_length(paper.Document) AS N
adamc@1012 325 FROM paper
adamc@1012 326 WHERE paper.Id = {[id]});
adamc@1012 327 authors <- queryX (SELECT user.Nam
adamc@1012 328 FROM authorship
adamc@1012 329 JOIN user ON authorship.User = user.Id
adamc@1012 330 WHERE authorship.Paper = {[id]})
adamc@1012 331 (fn r => <xml><li>{[r.User.Nam]}</li></xml>);
adamc@1012 332 myReview <- oneOrNoRows1 (SELECT review.{{map fst M.review}}
adamc@1012 333 FROM review
adamc@1012 334 WHERE review.User = {[me.Id]}
adamc@1012 335 AND review.Paper = {[id]});
adamc@1012 336 case ro of
adamc@1012 337 None => error <xml>Paper not found!</xml>
adamc@1012 338 | Some r => return <xml><body>
adamc@1012 339 <h1>Paper #{[id]}</h1>
adamc@1010 340
adamc@1012 341 <h3>Authors:</h3>
adamc@1012 342 <ul>
adamc@1012 343 {authors}
adamc@1012 344 </ul>
adamc@1009 345
adamc@1012 346 {allContent M.paper r.Paper M.paperFolder}<br/>
adamc@1011 347
adamc@1012 348 {if r.N = 0 then
adamc@1012 349 <xml><div>No paper uploaded yet.</div></xml>
adamc@1012 350 else
adamc@1012 351 <xml><a link={download id}>Download paper</a> ({[r.N]} bytes)</xml>}
adamc@1011 352
adamc@1012 353 <hr/>
adamc@1011 354
adamc@1012 355 {case myReview of
adamc@1012 356 None => <xml>
adamc@1012 357 <h2>Add Your Review</h2>
adamc@1012 358
adamc@1012 359 <form>
adamc@1012 360 {allWidgets M.review M.reviewFolder}
adamc@1012 361 <submit value="Add" action={newReview}/>
adamc@1012 362 </form>
adamc@1012 363 </xml>
adamc@1012 364 | Some myReview => <xml>
adamc@1012 365 <h2>Edit Your Review</h2>
adamc@1012 366
adamc@1012 367 <form>
adamc@1012 368 {allPopulated M.review myReview M.reviewFolder}
adamc@1012 369 <submit value="Save" action={saveReview}/>
adamc@1012 370 </form>
adamc@1012 371 </xml>}
adamc@1012 372 </body></xml>
adamc@1012 373 end
adamc@1009 374
adamc@1009 375 and download id =
adamc@1009 376 checkPaper id;
adamc@1009 377 ro <- oneOrNoRows (SELECT paper.Document
adamc@1009 378 FROM paper
adamc@1009 379 WHERE paper.Id = {[id]});
adamc@1009 380 case ro of
adamc@1009 381 None => error <xml>Paper not found!</xml>
adamc@1009 382 | Some r => returnBlob r.Paper.Document (blessMime "application/pdf")
adamc@1009 383
adamc@1001 384 end