*/
static int forum_need_moderation(void){
  if( P("domod") ) return 1;
  if( g.perm.WrTForum ) return 0;
  if( g.perm.ModForum ) return 0;
  return 1;
}

/*
** Return true if the string is white-space only.
*/
static int whitespace_only(const char *z){
  if( z==0 ) return 1;
  while( z[0] && fossil_isspace(z[0]) ){ z++; }
  return z[0]==0;
}

/*
** Add a new Forum Post artifact to the repository.
**
** Return true if a redirect occurs.
*/
static int forum_post(
  const char *zTitle,          /* Title.  NULL for replies */
  int iInReplyTo,              /* Post replying to.  0 for new threads */
  int iEdit,                   /* Post being edited, or zero for a new post */
  const char *zUser,           /* Username.  NULL means use login name */
  const char *zMimetype,       /* Mimetype of content. */
  const char *zContent         /* Content */
){
  char *zDate;
  char *zI;
  char *zG;
  int iBasis;
  Blob x, cksum, formatCheck, errMsg;
  Manifest *pPost;
  int nContent = zContent ? (int)strlen(zContent) : 0;

  schema_forum();
  if( iEdit==0 && whitespace_only(zContent) ){
    return 0;
  }
  if( iInReplyTo==0 && iEdit>0 ){
    iBasis = iEdit;
    iInReplyTo = db_int(0, "SELECT firt FROM forumpost WHERE fpid=%d", iEdit);
  }else{
    iBasis = iInReplyTo;
  }
  webpage_assert( (zTitle==0)+(iInReplyTo==0)==1 );

    if( login_is_nobody() ){
      zUser = "anonymous";
    }else{
      zUser = login_name();
    }
  }
  blob_appendf(&x, "U %F\n", zUser);
  blob_appendf(&x, "W %d\n%s\n", nContent, zContent);
  md5sum_blob(&x, &cksum);
  blob_appendf(&x, "Z %b\n", &cksum);
  blob_reset(&cksum);

  /* Verify that the artifact we are creating is well-formed */
  blob_init(&formatCheck, 0, 0);
  blob_init(&errMsg, 0, 0);

  if( !g.perm.WrForum ){
    login_needed(g.anon.WrForum);
    return;
  }
  if( P("submit") && cgi_csrf_safe(1) ){
    if( forum_post(zTitle, 0, 0, 0, zMimetype, zContent) ) return;
  }
  if( P("preview") && !whitespace_only(zContent) ){
    @ <h1>Preview:</h1>
    forum_render(zTitle, zMimetype, zContent, "forumEdit", 1);
  }
  style_header("New Forum Thread");
  @ <form action="%R/forume1" method="POST">
  @ <h1>New Thread:</h1>
  forum_from_line();
  forum_entry_widget(zTitle, zMimetype, zContent);
  @ <input type="submit" name="preview" value="Preview">
  if( P("preview") && !whitespace_only(zContent) ){
    @ <input type="submit" name="submit" value="Submit">
  }else{
    @ <input type="submit" name="submit" value="Submit" disabled>
  }
  if( g.perm.Debug ){
    /* For the test-forumnew page add these extra debugging controls */
    @ <div class="debug">

      }else{
        cgi_redirectf("%R/forum");
      }
      return;
    }
  }
  isDelete = P("nullout")!=0;
  if( P("submit") && (isDelete || !whitespace_only(zContent)) && isCsrfSafe ){
    int done = 1;
    const char *zMimetype = PD("mimetype",DEFAULT_FORUM_MIMETYPE);
    const char *zContent = PDT("content","");
    if( P("reply") ){
      done = forum_post(0, fpid, 0, 0, zMimetype, zContent);
    }else if( P("edit") || isDelete ){
      done = forum_post(P("title"), 0, fpid, 0, zMimetype, zContent);

    @ <h2>Replying To:</h2>
    zDate = db_text(0, "SELECT datetime(%.17g)", pPost->rDate);
    zDisplayName = display_name_from_login(pPost->zUser);
    @ <h3 class='forumPostHdr'>By %h(zDisplayName) on %h(zDate)</h3>
    fossil_free(zDisplayName);
    fossil_free(zDate);
    forum_render(0, pPost->zMimetype, pPost->zWiki, "forumEdit", 1);
    if( P("preview") && !whitespace_only(zContent) ){
      @ <h2>Preview:</h2>
      forum_render(0, zMimetype,zContent, "forumEdit", 1);
    }
    @ <h2>Enter Reply:</h2>
    @ <form action="%R/forume2" method="POST">
    @ <input type="hidden" name="fpid" value="%h(P("fpid"))">
    @ <input type="hidden" name="reply" value="1">
    forum_from_line();
    forum_entry_widget(0, zMimetype, zContent);
  }
  if( !isDelete ){
    @ <input type="submit" name="preview" value="Preview">
  }
  @ <input type="submit" name="cancel" value="Cancel">
  if( (P("preview") && !whitespace_only(zContent)) || isDelete ){
    @ <input type="submit" name="submit" value="Submit">
  }
  if( g.perm.Debug ){
    /* For the test-forumnew page add these extra debugging controls */
    @ <div class="debug">
    @ <label><input type="checkbox" name="dryrun" %s(PCK("dryrun"))> \
    @ Dry run</label>