3f112eba0af44ffe8b5c15c7721f3e850afe9276
kate
  Wed Mar 28 15:14:07 2018 -0700
Expand schema to include strand for each endpoint (request by Braney and Daniel Zerbino, to enable future support of rearrangements as well as bedPE). refs #21109

diff --git src/hg/hgc/interactClick.c src/hg/hgc/interactClick.c
index 412e81a..7ac27c0 100644
--- src/hg/hgc/interactClick.c
+++ src/hg/hgc/interactClick.c
@@ -1,206 +1,207 @@
 /* Details page for interact type tracks */
 
 /* Copyright (C) 2018 The Regents of the University of California 
  * See README in this or parent directory for licensing information. */
 
 #include "common.h"
 #include "obscure.h"
 #include "hdb.h"
 #include "hgc.h"
 
 #include "interact.h"
 #include "interactUi.h"
 
 static struct interact *getInteractFromTable(struct trackDb *tdb, char *item, 
                                                 char *chrom, int start, int end)
 /* Retrieve this item or items from track table */
 {
 struct sqlConnection *conn = NULL;
 struct customTrack *ct = lookupCt(tdb->track);
 char *table;
 if (ct != NULL)
     {
     conn = hAllocConn(CUSTOM_TRASH);
     table = ct->dbTableName;
     }
 else
     {
     conn = hAllocConnTrack(database, tdb);
     table = tdb->table;
     }
 if (conn == NULL)
     return NULL;
 
 struct interact *inters = NULL, *inter = NULL;
 char **row;
 int offset;
 struct sqlResult *sr = hRangeQuery(conn, table, chrom, start, end, NULL, &offset);
 while ((row = sqlNextRow(sr)) != NULL)
     {
     inter = interactLoad(row+offset);
     if (inter->chromStart != start || inter->chromEnd != end)
         continue;
     if (isNotEmpty(item) && differentString(inter->name, item))
         continue;
     slAddHead(&inters, inter);
     }
 slSort(&inters, interactDistanceCmp);
 sqlFreeResult(&sr);
 hFreeConn(&conn);
 return inters;
 }
 
 static struct interact *getInteractFromFile(char *file, char *item, char *chrom, int start, int end)
 /* Retrieve interact BED item from big file */
 {
 struct bbiFile *bbi = bigBedFileOpen(file);
 struct lm *lm = lmInit(0);
 struct bigBedInterval *bb, *bbList =  bigBedIntervalQuery(bbi, chrom, start, end, 0, lm);
 struct interact *inters = NULL, *inter = NULL;
 for (bb = bbList; bb != NULL; bb = bb->next)
     {
     char startBuf[16], endBuf[16];
     char *row[32];
     bigBedIntervalToRow(bb, chrom, startBuf, endBuf, row, ArraySize(row));
     inter = interactLoad(row);
     if (inter == NULL)
         continue;
     if (inter->chromStart != start || inter->chromEnd != end)
         continue;
     if (isNotEmpty(item) && differentString(inter->name, item))
         continue;
     slAddHead(&inters, inter);
     }
 slSort(&inters, interactDistanceCmp);
 return inters;
 }
 
 static struct interact *getInteractions(struct trackDb *tdb, char *item, 
                                         char *chrom, int start, int end)
 /* Retrieve interact BED item from track */
 {
 struct interact *inters = NULL;
 char *file = trackDbSetting(tdb, "bigDataUrl");
 if (file != NULL)
     inters = getInteractFromFile(file, item, chrom, start, end);
 else
     inters = getInteractFromTable(tdb, item, chrom, start, end);
 return inters;
 }
 
 void doInteractItemDetails(struct trackDb *tdb, struct interact *inter, char *item)
 /* Details of interaction item */
 {
 char startBuf[1024], endBuf[1024], sizeBuf[1024];
 if (!isEmptyTextField(inter->name))
     printf("<b>Interaction name:</b> %s<br>\n", inter->name);
 printf("<b>Interaction region:</b> ");
 if (interactOtherChrom(inter))
     printf("across chromosomes<br>");
 else
     {
     sprintLongWithCommas(startBuf, inter->chromStart+1);
     sprintLongWithCommas(endBuf, inter->chromEnd);
     sprintLongWithCommas(sizeBuf, inter->chromEnd - inter->chromStart);
     printf("<a href='hgTracks?position=%s:%d-%d' target='_blank'>%s:%s-%s</a>", 
                 inter->chrom, inter->chromStart, inter->chromEnd,
                 inter->chrom, startBuf, endBuf);
     printf("&nbsp;&nbsp;%s bp<br>\n", sizeBuf);
     }
 printf("<b>Score:</b> %d<br>\n", inter->score);
 printf("<b>Value:</b> %0.3f<br>\n", inter->value);
 if (!isEmptyTextField(inter->exp))
     printf("<b>Experiment:</b> %s<br>\n", inter->exp);
 puts("<p>");
 
 /* print info for both regions */
 /* Use different labels:
         1) directional (source/target)
         2) non-directional same chrom (lower/upper)
         3) non-directional other chrom (this/other)
 */
 char *region1Label = "Source";
 char *region1Chrom = inter->sourceChrom;
 int region1Start = inter->sourceStart;
 int region1End = inter->sourceEnd;
 char *region1Name = inter->sourceName;
 if (isEmptyTextField(inter->sourceName))
     region1Name = "";
 
 char *region2Label = "Target";
 char *region2Chrom = inter->targetChrom;
 int region2Start = inter->targetStart;
 int region2End = inter->targetEnd;
 char *region2Name = inter->targetName;
 if (isEmptyTextField(inter->targetName))
     region2Name = "";
 
 if (!interactUiDirectional(tdb))
     {
     if (interactOtherChrom(inter))
         {
         region1Label = "This";
         region2Label = "Other";
         }
     else
         {
         region1Label = "Lower";
         region2Label = "Upper";
         }
     }
 
+// format and print
 sprintLongWithCommas(startBuf, region1Start + 1);
 sprintLongWithCommas(endBuf, region1End);
 sprintLongWithCommas(sizeBuf, region1End - region1Start);
 printf("<b>%s region:</b> %s&nbsp;&nbsp;"
-                "<a href='hgTracks?position=%s:%d-%d' target='_blank'>%s:%s-%s</a>",
+                "<a href='hgTracks?position=%s:%d-%d' target='_blank'>%s:%s-%s</a> %s",
                 region1Label, region1Name, region1Chrom, region1Start+1, region1End,
-                region1Chrom, startBuf, endBuf);
+                region1Chrom, startBuf, endBuf, inter->sourceStrand[0] == '.' ? "" : inter->sourceStrand);
 printf("&nbsp;&nbsp;%s bp<br>\n", sizeBuf);
 
 sprintLongWithCommas(startBuf, region2Start+1);
 sprintLongWithCommas(endBuf, region2End);
 sprintLongWithCommas(sizeBuf, region2End - region2Start);
 printf("<b>%s region:</b> %s&nbsp;&nbsp;"
-                "<a href='hgTracks?position=%s:%d-%d' target='_blank'>%s:%s-%s</a>",
+                "<a href='hgTracks?position=%s:%d-%d' target='_blank'>%s:%s-%s</a> %s",
                 region2Label, region2Name, region2Chrom, region2Start+1, region2End,
-                region2Chrom, startBuf, endBuf);
+                region2Chrom, startBuf, endBuf, inter->targetStrand[0] == '.' ? "" : inter->targetStrand);
 printf("&nbsp;&nbsp;%s bp<br>\n", sizeBuf);
 int distance = interactRegionDistance(inter);
 if (distance > 0)
     {
     // same chrom
     sprintLongWithCommas(sizeBuf, distance);
     printf("<b>Distance between midpoints:</b> %s bp<br>\n", sizeBuf); 
     }
 
 #ifdef TODO /* TODO: get count and score stats of all interactions in window ?*/
 double *scores;
 AllocArray(scores, count);
 #endif
 }
 
 void doInteractDetails(struct trackDb *tdb, char *item)
 /* Details of interaction items */
 {
 char *chrom = cartString(cart, "c");
 int start = cartInt(cart, "o");
 int end = cartInt(cart, "t");
 struct interact *inter = NULL;
 struct interact *inters = getInteractions(tdb, item, chrom, start, end);
 if (inters == NULL)
     errAbort("Can't find interaction %s", item ? item : "");
 int count = slCount(inters);
 if (count > 1)
     printf("<b>Interactions:</b> %d<hr>", count);
 genericHeader(tdb, item);
 for (inter = inters; inter; inter = inter->next)
     {
     doInteractItemDetails(tdb, inter, item);
     printf("<hr>\n");
     if (count > 1 && !isEmptyTextField(inter->name) && sameString(inter->name, item))
         printf("<hr>\n");
     }
 }