8f2e6dbc0e250e934382477cea73e60624ccfe32
chmalee
  Fri Feb 16 11:45:42 2024 -0800
Start of populating a list of files to the UI

diff --git src/hg/lib/userdata.c src/hg/lib/userdata.c
index 0566c3f..07ebd7b 100644
--- src/hg/lib/userdata.c
+++ src/hg/lib/userdata.c
@@ -1,106 +1,120 @@
 /* userdata.c - code for managing data stored on a per user basis */
 
 /* Copyright (C) 2014 The Regents of the University of California 
  * See kent/LICENSE or http://genome.ucsc.edu/license/ for licensing information. */
 
 
 #include "common.h"
 #include "hash.h"
 #include "portable.h"
 #include "trashDir.h"
 #include "md5.h"
 #include "hgConfig.h"
 #include "dystring.h"
 #include "cheapcgi.h"
 #include "customFactory.h"
 #include "wikiLink.h"
 #include "userdata.h"
 
 char *getUserName()
 {
 return (loginSystemEnabled() || wikiLinkEnabled()) ? wikiLinkUserName() : NULL;
 }
 
 char *getDataDir(char *userName)
 /* Return the full path to the user specific data directory, can be configured via hg.conf
  * on hgwdev, this is /data/apache/userdata/userStore/hash/userName/
  * on the RR, this is /userdata/userStore/hash/userName/ */
 {
 char *userDataBaseDir = cfgOption("userDataDir");
 if (!userDataBaseDir  || isEmpty(userDataBaseDir))
     errAbort("trying to save user file but no userDataDir defined in hg.conf");
 if (userDataBaseDir[0] != '/')
     errAbort("config setting userDataDir must be an absolute path (starting with '/')");
 
 char *encUserName = cgiEncode(userName);
 char *userPrefix = md5HexForString(encUserName);
 userPrefix[2] = '\0';
 
 struct dyString *newDataDir = dyStringNew(0);
 dyStringPrintf(newDataDir, "%s/%s/%s/", 
     userDataBaseDir, userPrefix, encUserName);
 
 fprintf(stderr, "userDataDir = '%s'\n", newDataDir->string);
 return dyStringCannibalize(&newDataDir);
 }
 
-void removeTrack()
-/* Removes a custom track for this user */
+char *prefixUserFile(char *userName, char *fname)
+/* Allocate a new string that contains the full per-user path to fname, NULL otherwise */
 {
-//char *userName = getUserName();
+char *pathPrefix = getDataDir(userName);
+if (pathPrefix)
+    return catTwoStrings(pathPrefix, fname);
+else
+    return NULL;
+}
+
+void removeFileForUser(char *fname, char *userName)
+/* Remove a file for this user if it exists */
+{
+// The file to remove must be prefixed by the hg.conf userDataDir
+if (!startsWith(getDataDir(userName), fname))
+    return;
+if (fileExists(fname))
+    mustRemove(fname);
 }
 
 void uploadTrack()
 /* Saves a new track to the persistent storage for this user */
 {
 //char *userName = getUserName();
 }
 
 struct userFiles *listFilesForUser(char *userName)
 /* Get all the files for a particular user */
 {
 struct userFiles *userListing;
 AllocVar(userListing);
 char *path = getDataDir(userName);
-struct fileInfo *fiList = listDirX(path,NULL,TRUE);
+struct fileInfo *fiList = listDirX(path,NULL,FALSE);
 userListing->userName = userName;
 userListing->file = fiList;
 return userListing;
 }
 
 long long checkUserQuota(char *userName)
 /* Return the amount of space a user is currently using */
 {
 long long quota = 0;
 struct userFiles *ufList = listFilesForUser(userName);
 struct fileInfo *fi;
 if (ufList)
     {
     for (fi = ufList->file; fi != NULL; fi = fi->next)
         {
         quota += fi->size;
         }
     }
 return quota;
 }
 
 char *storeUserFile(char *userName, char *newFileName, void *data, size_t dataSize)
 /* Give a fileName and a data stream, write the data to:
  * userDataDir/hashedUserName/userName/fileName
  * where userDataDir comes from hg.conf and
  * hashedUserName is based on the md5sum of the userName
  * to prevent proliferation of too many directories.
  *
  * After sucessfully saving the file, return a web accessible url
  * to the file. */
 {
 char *userDir = getDataDir(userName);
 makeDirsOnPath(userDir);
 char *pathToFile = catTwoStrings(userDir, newFileName);
 FILE *newFile = mustOpen(pathToFile, "wb");
 // the data will start with a line feed so get rid of that
 mustWrite(newFile, data, dataSize);
 // missing an EOF?
 carefulClose(&newFile);
 return pathToFile;
 }