Fossil

** the current tree, or a particular artifact or check-in.
*/
#include "config.h"
#include "info.h"
#include <assert.h>

/*
** Return a string (in memory obtained from malloc) holding a
** comma-separated list of tags that apply to check-in with
** record-id rid.  If the "propagatingOnly" flag is true, then only
** show branch tags (tags that propagate to children).
**
** Return NULL if there are no such tags.
*/
char *info_tags_of_checkin(int rid, int propagatingOnly){
  char *zTags;

  Stmt q;
  char *zComment = 0;
  char *zTags;
  char *zDate;
  char *zUuid;
  zUuid = db_text(0, "SELECT uuid FROM blob WHERE rid=%d", rid);
  if( zUuid ){
    zDate = db_text(0,
      "SELECT datetime(mtime) || ' UTC' FROM event WHERE objid=%d",
      rid
    );
         /* 01234567890123 */
    fossil_print("%-13s %s %s\n", zUuidName, zUuid, zDate ? zDate : "");
    free(zUuid);
    free(zDate);
  }
  if( zUuid && showComment ){
    zComment = db_text(0,
      "SELECT coalesce(ecomment,comment) || "
      "       ' (user: ' || coalesce(euser,user,'?') || ')' "
      "  FROM event WHERE objid=%d",
      rid
    );
  }
  if( showFamily ){
    db_prepare(&q, "SELECT uuid, pid, isprim FROM plink JOIN blob ON pid=rid "
                   " WHERE cid=%d"
                   " ORDER BY isprim DESC, mtime DESC /*sort*/", rid);
    while( db_step(&q)==SQLITE_ROW ){
      const char *zUuid = db_column_text(&q, 0);
      const char *zType = db_column_int(&q, 2) ? "parent:" : "merged-from:";
      zDate = db_text("",
        "SELECT datetime(mtime) || ' UTC' FROM event WHERE objid=%d",
        db_column_int(&q, 1)
      );
      fossil_print("%-13s %s %s\n", zType, zUuid, zDate);
      free(zDate);
    }
    db_finalize(&q);
    db_prepare(&q, "SELECT uuid, cid, isprim FROM plink JOIN blob ON cid=rid "
                   " WHERE pid=%d"
                   " ORDER BY isprim DESC, mtime DESC /*sort*/", rid);
    while( db_step(&q)==SQLITE_ROW ){
      const char *zUuid = db_column_text(&q, 0);
      const char *zType = db_column_int(&q, 2) ? "child:" : "merged-into:";
      zDate = db_text("",
        "SELECT datetime(mtime) || ' UTC' FROM event WHERE objid=%d",
        db_column_int(&q, 1)
      );
      fossil_print("%-13s %s %s\n", zType, zUuid, zDate);
      free(zDate);
    }
    db_finalize(&q);

  }
}


/*
** Append the difference between two RIDs to the output
*/
static void append_diff(const char *zFrom, const char *zTo, u64 diffFlags){
  int fromid;
  int toid;
  Blob from, to, out;
  if( zFrom ){
    fromid = uuid_to_rid(zFrom, 0);
    content_get(fromid, &from);
  }else{

    text_diff(&from, &to, &out, diffFlags | DIFF_LINENO | DIFF_HTML);
    @ <div class="udiff">
    @ %s(blob_str(&out))
    @ </div>
  }
  blob_reset(&from);
  blob_reset(&to);
  blob_reset(&out);
}


/*
** Write a line of web-page output that shows changes that have occurred
** to a file between two check-ins.
*/
static void append_file_change_line(
  const char *zName,    /* Name of the file that has changed */
  const char *zOld,     /* blob.uuid before change.  NULL for added files */
  const char *zNew,     /* blob.uuid after change.  NULL for deletes */
  const char *zOldName, /* Prior name.  NULL if no name change. */

/*
** WEBPAGE: vinfo
** WEBPAGE: ci
** URL:  /ci?name=RID|ARTIFACTID
**
** Display information about a particular check-in.
**
** We also jump here from /info if the name is a version.
**
** If the /ci page is used (instead of /vinfo or /info) then the
** default behavior is to show unified diffs of all file changes.
** With /vinfo and /info, only a list of the changed files are
** shown, without diffs.  This behavior is inverted if the

  zUuid = db_text(0, "SELECT uuid FROM blob WHERE rid=%d", rid);
  zParent = db_text(0,
    "SELECT uuid FROM plink, blob"
    " WHERE plink.cid=%d AND blob.rid=plink.pid AND plink.isprim",
    rid
  );
  isLeaf = is_a_leaf(rid);
  db_prepare(&q,
     "SELECT uuid, datetime(mtime, 'localtime'), user, comment,"
     "       datetime(omtime, 'localtime'), mtime"
     "  FROM blob, event"
     " WHERE blob.rid=%d"
     "   AND event.objid=%d",
     rid, rid
  );
  sideBySide = atoi(PD("sbs","1"));
  if( db_step(&q)==SQLITE_ROW ){
    const char *zUuid = db_column_text(&q, 0);
    char *zTitle = mprintf("Check-in [%.10s]", zUuid);
    char *zEUser, *zEComment;
    const char *zUser;
    const char *zComment;
    const char *zDate;
    const char *zOrigDate;
    char *zThisBranch;
    double thisMtime;
    int seenDiffTitle = 0;

    style_header(zTitle);
    login_anonymous_available();
    free(zTitle);
    zEUser = db_text(0,
                   "SELECT value FROM tagxref WHERE tagid=%d AND rid=%d",
                    TAG_USER, rid);
    zEComment = db_text(0,
                   "SELECT value FROM tagxref WHERE tagid=%d AND rid=%d",
                   TAG_COMMENT, rid);
    zUser = db_column_text(&q, 2);
    zComment = db_column_text(&q, 3);
    zDate = db_column_text(&q,1);
    zOrigDate = db_column_text(&q, 4);
    thisMtime = db_column_double(&q, 5);

    if( zEComment ){
      @ <tr><th>Edited&nbsp;Comment:</th><td>%w(zEComment)</td></tr>
      @ <tr><th>Original&nbsp;Comment:</th><td>%w(zComment)</td></tr>
    }else{
      @ <tr><th>Comment:</th><td>%w(zComment)</td></tr>
    }
    if( g.perm.Admin ){
      db_prepare(&q,
         "SELECT rcvfrom.ipaddr, user.login, datetime(rcvfrom.mtime)"
         "  FROM blob JOIN rcvfrom USING(rcvid) LEFT JOIN user USING(uid)"
         " WHERE blob.rid=%d",
         rid
      );
      if( db_step(&q)==SQLITE_ROW ){
        const char *zIpAddr = db_column_text(&q, 0);

  rid = name_to_rid_www("name");
  if( rid==0 ){
    style_header("Wiki Page Information Error");
    @ No such object: %h(g.argv[2])
    style_footer();
    return;
  }
  db_prepare(&q,
     "SELECT substr(tagname, 6, 1000), uuid,"
     "       datetime(event.mtime, 'localtime'), user"
     "  FROM tagxref, tag, blob, event"
     " WHERE tagxref.rid=%d"
     "   AND tag.tagid=tagxref.tagid"
     "   AND tag.tagname LIKE 'wiki-%%'"
     "   AND blob.rid=%d"

**   from=TAG
**   to=TAG
**   branch=TAG
**   detail=BOOLEAN
**   sbs=BOOLEAN
**
**
** Show all differences between two checkins.
*/
void vdiff_page(void){
  int ridFrom, ridTo;
  int showDetail = 0;
  int sideBySide = 0;
  u64 diffFlags = 0;
  Manifest *pFrom, *pTo;

      cmp = +1;
    }else if( pFileTo==0 ){
      cmp = -1;
    }else{
      cmp = fossil_strcmp(pFileFrom->zName, pFileTo->zName);
    }
    if( cmp<0 ){
      append_file_change_line(pFileFrom->zName,
                              pFileFrom->zUuid, 0, 0, diffFlags, 0);
      pFileFrom = manifest_file_next(pFrom, 0);
    }else if( cmp>0 ){
      append_file_change_line(pFileTo->zName,
                              0, pFileTo->zUuid, 0, diffFlags,
                              manifest_file_mperm(pFileTo));
      pFileTo = manifest_file_next(pTo, 0);
    }else if( fossil_strcmp(pFileFrom->zUuid, pFileTo->zUuid)==0 ){
      /* No changes */
      pFileFrom = manifest_file_next(pFrom, 0);
      pFileTo = manifest_file_next(pTo, 0);
    }else{
      append_file_change_line(pFileFrom->zName,
                              pFileFrom->zUuid,
                              pFileTo->zUuid, 0, diffFlags,
                              manifest_file_mperm(pFileTo));
      pFileFrom = manifest_file_next(pFrom, 0);
      pFileTo = manifest_file_next(pTo, 0);
    }
  }

        @ </ul>
      }
      if( mPerm==PERM_LNK ){
        @ <li>Symbolic link
      }else if( mPerm==PERM_EXE ){
        @ <li>Executable file
      }else{
        @ <li>File
      }
      @ %z(href("%R/finfo?name=%T",zName))%h(zName)</a>
      @ <ul>
      prevName = fossil_strdup(zName);
    }
    @ <li>
    hyperlink_to_date(zDate,"");

    if( pDownloadName && blob_size(pDownloadName)==0 ){
      blob_append(pDownloadName, zName, -1);
    }
  }
  @ </ul></ul>
  free(prevName);
  db_finalize(&q);
  db_prepare(&q,
    "SELECT substr(tagname, 6, 10000), datetime(event.mtime),"
    "       coalesce(event.euser, event.user)"
    "  FROM tagxref, tag, event"
    " WHERE tagxref.rid=%d"
    "   AND tag.tagid=tagxref.tagid"
    "   AND tag.tagname LIKE 'wiki-%%'"
    "   AND event.objid=tagxref.rid",
    rid
  );
  while( db_step(&q)==SQLITE_ROW ){
    const char *zPagename = db_column_text(&q, 0);
    const char *zDate = db_column_text(&q, 1);

      if( pDownloadName && blob_size(pDownloadName)==0 ){
        blob_appendf(pDownloadName, "%.10s.txt", zUuid);
      }
      cnt++;
    }
    db_finalize(&q);
  }
  db_prepare(&q,
    "SELECT target, filename, datetime(mtime), user, src"
    "  FROM attachment"
    " WHERE src=(SELECT uuid FROM blob WHERE rid=%d)"
    " ORDER BY mtime DESC /*sort*/",
    rid
  );
  while( db_step(&q)==SQLITE_ROW ){

    style_footer();
  }
}

/*
** WEBPAGE: raw
** URL: /raw?name=ARTIFACTID&m=TYPE
**
** Return the uninterpreted content of an artifact.  Used primarily
** to view artifacts that are images.
*/
void rawartifact_page(void){
  int rid;
  const char *zMime;
  Blob content;

    @ %h(zLine)
  }
}

/*
** WEBPAGE: hexdump
** URL: /hexdump?name=ARTIFACTID
**
** Show the complete content of a file identified by ARTIFACTID
** as preformatted text.
*/
void hexdump_page(void){
  int rid;
  Blob content;
  Blob downloadName;

    }
  }
  style_header("Hex Artifact Content");
  zUuid = db_text("?","SELECT uuid FROM blob WHERE rid=%d", rid);
  @ <h2>Artifact %s(zUuid):</h2>
  blob_zero(&downloadName);
  object_description(rid, 0, &downloadName);
  style_submenu_element("Download", "Download",
        "%s/raw/%T?name=%s", g.zTop, blob_str(&downloadName), zUuid);
  @ <hr />
  content_get(rid, &content);
  @ <blockquote><pre>
  hexdump(&content);
  @ </pre></blockquote>
  style_footer();

** URL: /artifact?ci=CHECKIN&filename=PATH
**
** Additional query parameters:
**
**   ln              - show line numbers
**   ln=N            - highlight line number N
**   ln=M-N          - highlight lines M through N inclusive
**
** Show the complete content of a file identified by ARTIFACTID
** as preformatted text.
*/
void artifact_page(void){
  int rid = 0;
  Blob content;
  const char *zMime;

    }
  }
  style_header("Artifact Content");
  zUuid = db_text("?", "SELECT uuid FROM blob WHERE rid=%d", rid);
  @ <h2>Artifact %s(zUuid)</h2>
  blob_zero(&downloadName);
  object_description(rid, 0, &downloadName);
  style_submenu_element("Download", "Download",
          "%s/raw/%T?name=%s", g.zTop, blob_str(&downloadName), zUuid);
  zMime = mimetype_from_name(blob_str(&downloadName));
  if( zMime ){
    if( fossil_strcmp(zMime, "text/html")==0 ){
      if( P("txt") ){
        style_submenu_element("Html", "Html",
                              "%s/artifact/%s", g.zTop, zUuid);

  }
  @ <hr />
  content_get(rid, &content);
  if( renderAsWiki ){
    wiki_convert(&content, 0, 0);
  }else if( renderAsHtml ){
    @ <div>
    blob_strip_bom(&content, 0);
    cgi_append_content(blob_buffer(&content), blob_size(&content));
    @ </div>
  }else{
    style_submenu_element("Hex","Hex", "%s/hexdump?name=%s", g.zTop, zUuid);
    zMime = mimetype_from_content(&content);
    @ <blockquote>
    if( zMime==0 ){
      const char *zLn = P("ln");
      const char *z;
      blob_strip_bom(&content, 0);
      z = blob_str(&content);
      if( zLn ){
        output_text_with_line_numbers(z, zLn);
      }else{
        @ <pre>
        @ %h(z)
        @ </pre>
      }
    }else if( strncmp(zMime, "image/", 6)==0 ){
      @ <img src="%s(g.zTop)/raw?name=%s(zUuid)&m=%s(zMime)"></img>
    }else{
      @ <i>(file is %d(blob_size(&content)) bytes of binary data)</i>
    }
    @ </blockquote>
  }
  style_footer();
}

/*
** WEBPAGE: tinfo
** URL: /tinfo?name=ARTIFACTID
**
** Show the details of a ticket change control artifact.
*/

/*
** WEBPAGE: info
** URL: info/ARTIFACTID
**
** The argument is a artifact ID which might be a baseline or a file or
** a ticket changes or a wiki edit or something else.
**
** Figure out what the artifact ID is and jump to it.
*/
void info_page(void){
  const char *zName;
  Blob uuid;
  int rid;
  int rc;

  zName = P("name");
  if( zName==0 ) fossil_redirect_home();
  if( validate16(zName, strlen(zName)) ){
    if( db_exists("SELECT 1 FROM ticket WHERE tkt_uuid GLOB '%q*'", zName) ){
      tktview_page();
      return;
    }

     { "#aaa8d3", 0 },
     { "#cba8d3", 0 },
     { "#d3a8bc", 0 },
     { "#d3b5a8", 0 },
     { "#d1d3a8", 0 },
     { "#b1d3a8", 0 },

     { "#8eb2a1", 0 },
     { "#8ea7b2", 0 },
     { "#8f8eb2", 0 },
     { "#ab8eb2", 0 },
     { "#b28e9e", 0 },
     { "#b2988e", 0 },
     { "#b0b28e", 0 },
     { "#95b28e", 0 },

     { "#80d6b0", 0 },
     { "#80bbd6", 0 },
     { "#8680d6", 0 },
     { "#c680d6", 0 },
     { "#d680a6", 0 },
     { "#d69b80", 0 },
     { "#d1d680", 0 },
     { "#91d680", 0 },


     { "custom",  "##" },
  };
  int nColor = sizeof(aColor)/sizeof(aColor[0])-1;
  int stdClrFound = 0;
  int i;

  int rid;
  const char *zComment;         /* Current comment on the check-in */
  const char *zNewComment;      /* Revised check-in comment */
  const char *zUser;            /* Current user for the check-in */
  const char *zNewUser;         /* Revised user */
  const char *zDate;            /* Current date of the check-in */
  const char *zNewDate;         /* Revised check-in date */
  const char *zColor;
  const char *zNewColor;
  const char *zNewTagFlag;
  const char *zNewTag;
  const char *zNewBrFlag;
  const char *zNewBranch;
  const char *zCloseFlag;
  int fPropagateColor;          /* True if color propagates before edit */
  int fNewPropagateColor;       /* True if color propagates after edit */
  const char *zChngTime = 0;     /* Value of chngtime= query param, if any */
  char *zUuid;
  Blob comment;
  Stmt q;

  login_check_credentials();
  if( !g.perm.Write ){ login_needed(); return; }
  rid = name_to_typed_rid(P("r"), "ci");
  zUuid = db_text(0, "SELECT uuid FROM blob WHERE rid=%d", rid);
  zComment = db_text(0, "SELECT coalesce(ecomment,comment)"
                        "  FROM event WHERE objid=%d", rid);
  if( zComment==0 ) fossil_redirect_home();

    login_verify_csrf_secret();
    blob_zero(&ctrl);
    zNow = date_in_standard_format(zChngTime ? zChngTime : "now");
    blob_appendf(&ctrl, "D %s\n", zNow);
    db_multi_exec("CREATE TEMP TABLE newtags(tag UNIQUE, prefix, value)");
    if( zNewColor[0]
     && (fPropagateColor!=fNewPropagateColor
             || fossil_strcmp(zColor,zNewColor)!=0)
    ){
      char *zPrefix = "+";
      if( fNewPropagateColor ){
        zPrefix = "*";
      }
      db_multi_exec("REPLACE INTO newtags VALUES('bgcolor',%Q,%Q)",