Fossil

    rid = content_put(pAttach);
    db_multi_exec("INSERT OR IGNORE INTO unsent VALUES(%d);", rid);
    db_multi_exec("INSERT OR IGNORE INTO unclustered VALUES(%d);", rid);
  }
  manifest_crosslink(rid, pAttach, MC_NONE);
}


/*
** Commit a new attachment into the repository
*/
void attach_commit(
  const char *zName,                   /* The filename of the attachment */
  const char *zTarget,                 /* The artifact uuid to attach to */
  const char *aContent,                /* The content of the attachment */
  int         szContent,               /* The length of the attachment */
  int         needModerator,           /* Moderate the attachment? */
  const char *zComment                 /* The comment for the attachment */
){
    Blob content;
    Blob manifest;
    Blob cksum;
    char *zUUID;
    char *zDate;
    int rid;
    int i, n;
    int addCompress = 0;
    Manifest *pManifest;

    db_begin_transaction();
    blob_init(&content, aContent, szContent);
    pManifest = manifest_parse(&content, 0, 0);
    manifest_destroy(pManifest);
    blob_init(&content, aContent, szContent);
    if( pManifest ){
      blob_compress(&content, &content);
      addCompress = 1;
    }
    rid = content_put_ex(&content, 0, 0, 0, needModerator);
    zUUID = db_text(0, "SELECT uuid FROM blob WHERE rid=%d", rid);
    blob_zero(&manifest);
    for(i=n=0; zName[i]; i++){
      if( zName[i]=='/' || zName[i]=='\\' ) n = i+1;
    }
    zName += n;
    if( zName[0]==0 ) zName = "unknown";
    blob_appendf(&manifest, "A %F%s %F %s\n",
                 zName, addCompress ? ".gz" : "", zTarget, zUUID);
    while( fossil_isspace(zComment[0]) ) zComment++;
    n = strlen(zComment);
    while( n>0 && fossil_isspace(zComment[n-1]) ){ n--; }
    if( n>0 ){
      blob_appendf(&manifest, "C %#F\n", n, zComment);
    }
    zDate = date_in_standard_format("now");
    blob_appendf(&manifest, "D %s\n", zDate);
    blob_appendf(&manifest, "U %F\n", login_name());
    md5sum_blob(&manifest, &cksum);
    blob_appendf(&manifest, "Z %b\n", &cksum);
    attach_put(&manifest, rid, needModerator);
    assert( blob_is_reset(&manifest) );
    db_end_transaction(0);
}

/*
** WEBPAGE: attachadd
** Add a new attachment.
**
**    tkt=TICKETUUID
**    page=WIKIPAGE

    }
    if( !db_exists("SELECT 1 FROM tag WHERE tagname='event-%q'", zTechNote) ){
      zTechNote = db_text(0, "SELECT substr(tagname,7) FROM tag"
                             " WHERE tagname GLOB 'event-%q*'", zTechNote);
      if( zTechNote==0) fossil_redirect_home();
    }
    zTarget = zTechNote;
    zTargetType = mprintf("Tech Note <a href=\"%R/technote/%h\">%h</a>",
    zTargetType = mprintf("Tech Note <a href=\"%R/technote/%s\">%S</a>",
                           zTechNote, zTechNote);
  
  }else{
    if( g.perm.ApndTkt==0 || g.perm.Attach==0 ){
      login_needed(g.anon.ApndTkt && g.anon.Attach);
      return;
    }

                          zTkt, zTkt);
  }
  if( zFrom==0 ) zFrom = mprintf("%s/home", g.zTop);
  if( P("cancel") ){
    cgi_redirect(zFrom);
  }
  if( P("ok") && szContent>0 && (goodCaptcha = captcha_is_correct()) ){
    Blob content;
    Blob manifest;
    Blob cksum;
    char *zUUID;
    const char *zComment;
    char *zDate;
    int rid;
    int i, n;
    int addCompress = 0;
    Manifest *pManifest;
    int needModerator;

    db_begin_transaction();
    blob_init(&content, aContent, szContent);
    pManifest = manifest_parse(&content, 0, 0);
    manifest_destroy(pManifest);
    blob_init(&content, aContent, szContent);
    if( pManifest ){
      blob_compress(&content, &content);
      addCompress = 1;
    }
    needModerator =
         (zTkt!=0 && ticket_need_moderation(0)) ||
         (zPage!=0 && wiki_need_moderation(0));
    int needModerator = (zTkt!=0 && ticket_need_moderation(0)) ||
                        (zPage!=0 && wiki_need_moderation(0));
    rid = content_put_ex(&content, 0, 0, 0, needModerator);
    zUUID = db_text(0, "SELECT uuid FROM blob WHERE rid=%d", rid);
    blob_zero(&manifest);
    for(i=n=0; zName[i]; i++){
      if( zName[i]=='/' || zName[i]=='\\' ) n = i;
    }
    zName += n;
    if( zName[0]==0 ) zName = "unknown";
    blob_appendf(&manifest, "A %F%s %F %s\n",
                 zName, addCompress ? ".gz" : "", zTarget, zUUID);
    zComment = PD("comment", "");
    const char *zComment = PD("comment", "");
    while( fossil_isspace(zComment[0]) ) zComment++;
    n = strlen(zComment);
    attach_commit(zName, zTarget, aContent, szContent, needModerator, zComment);
    while( n>0 && fossil_isspace(zComment[n-1]) ){ n--; }
    if( n>0 ){
      blob_appendf(&manifest, "C %#F\n", n, zComment);
    }
    zDate = date_in_standard_format("now");
    blob_appendf(&manifest, "D %s\n", zDate);
    blob_appendf(&manifest, "U %F\n", login_name());
    md5sum_blob(&manifest, &cksum);
    blob_appendf(&manifest, "Z %b\n", &cksum);
    attach_put(&manifest, rid, needModerator);
    assert( blob_is_reset(&manifest) );
    db_end_transaction(0);
    cgi_redirect(zFrom);
  }
  style_header("Add Attachment");
  if( !goodCaptcha ){
    @ <p class="generalError">Error: Incorrect security code.</p>
  }
  @ <h2>Add Attachment To %s(zTargetType)</h2>

  }
  if( cnt ){
    @ </ul>
  }
  db_finalize(&q);

}

/*
** COMMAND: attachment*
**
** Usage: %fossil attachment add ?PAGENAME? FILENAME ?OPTIONS?
**
**       Add an attachment to an existing wiki page or tech note.
**
**       Options:
**         -t|--technote DATETIME      Specifies the timestamp of
**                                     the technote to which the attachment
**                                     is to be made. The attachment will be
**                                     to the most recently modified tech note
**                                     with the specified timestamp.
**         -t|--technote TECHNOTE-ID   Specifies the technote to be
**                                     updated by its technote id.
**
**       One of PAGENAME, DATETIME or TECHNOTE-ID must be specified.
*/
void attachment_cmd(void){
  int n;
  db_find_and_open_repository(0, 0);
  if( g.argc<3 ){
    goto attachment_cmd_usage;
  }
  n = strlen(g.argv[2]);
  if( n==0 ){
    goto attachment_cmd_usage;
  }

  if( strncmp(g.argv[2],"add",n)==0 ){
    const char *zPageName;        /* Name of the wiki page to attach to */
    const char *zFile;            /* Name of the file to be attached */
    const char *zETime;           /* The name of the technote to attach to */
    Manifest *pWiki = 0;          /* Parsed wiki page content */
    char *zBody = 0;              /* Wiki page content */
    int rid;
    const char *zTarget;          /* Target of the attachment */
    Blob content;                 /* The content of the attachment */
    zETime = find_option("technote","t",1);
    if( !zETime ){
      if( g.argc!=5 ){
        usage("add PAGENAME FILENAME");
      }
      zPageName = g.argv[3];
      rid = db_int(0, "SELECT x.rid FROM tag t, tagxref x"
        " WHERE x.tagid=t.tagid AND t.tagname='wiki-%q'"
        " ORDER BY x.mtime DESC LIMIT 1",
        zPageName
      );        
      if( (pWiki = manifest_get(rid, CFTYPE_WIKI, 0))!=0 ){
        zBody = pWiki->zWiki;
      }
      if( zBody==0 ){
        fossil_fatal("wiki page [%s] not found",zPageName);
      }
      zTarget = zPageName;
      zFile = g.argv[4];
    }else{
      if( g.argc!=4 ){
        usage("add FILENAME --technote DATETIME|TECHNOTE-ID");
      }
      rid = wiki_technote_to_rid(zETime);
      if( rid<0 ){
        fossil_fatal("ambiguous tech note id: %s", zETime);
      }
      if( (pWiki = manifest_get(rid, CFTYPE_EVENT, 0))!=0 ){
        zBody = pWiki->zWiki;
      }
      if( zBody==0 ){
        fossil_fatal("technote [%s] not found",zETime);
      }
      zTarget = db_text(0,
        "SELECT substr(tagname,7) FROM tag WHERE tagid=(SELECT tagid FROM event WHERE objid='%d')",
        rid
      );
      zFile = g.argv[3];
    }
    blob_read_from_file(&content, zFile);
    user_select();
    attach_commit(
      zFile,                   /* The filename of the attachment */
      zTarget,                 /* The artifact uuid to attach to */
      blob_buffer(&content),   /* The content of the attachment */
      blob_size(&content),     /* The length of the attachment */
      0,                       /* No need to moderate the attachment */
      ""                       /* Empty attachment comment */
    );
    if( !zETime ){
      fossil_print("Attached %s to wiki page %s.\n", zFile, zPageName);
    }else{
      fossil_print("Attached %s to tech note %s.\n", zFile, zETime);
    }
  }else{
    goto attachment_cmd_usage;
  }
  return;

attachment_cmd_usage:
  usage("add ?PAGENAME? FILENAME [-t|--technote DATETIME ]");
}

  @ </td></tr></table>
  @ </div></form>
  style_footer();
}

/*
** Add a new tech note to the repository.  The timestamp is
** given by the zETime parameter.  isNew must be true to create
** given by the zETime parameter.  rid must be zero to create
** a new page.  If no previous page with the name zPageName exists
** and isNew is false, then this routine throws an error.
*/
void event_cmd_commit(
  char *zETime,             /* timestamp */
  int isNew,                /* true to create a new page */
  int   rid,                /* Artifact id of the tech note */
  Blob *pContent,           /* content of the new page */
  const char *zMimeType,    /* mimetype of the content */
  const char *zComment,     /* comment to go on the timeline */
  const char *zTags,        /* tags */
  const char *zClr          /* background color */
){
  int rid;                /* Artifact id of the tech note */
  const char *zId;        /* id of the tech note */
  rid = db_int(0, "SELECT objid FROM event"
        " WHERE datetime(mtime)=datetime('%q') AND type = 'e'"
        " LIMIT 1",
        zETime
  );
  if( rid==0 && !isNew ){
#ifdef FOSSIL_ENABLE_JSON
    g.json.resultCode = FSL_JSON_E_RESOURCE_NOT_FOUND;
#endif
    fossil_fatal("no such tech note: %s", zETime);
  }

  if( rid!=0 && isNew ){
#ifdef FOSSIL_ENABLE_JSON
    g.json.resultCode = FSL_JSON_E_RESOURCE_ALREADY_EXISTS;
#endif
    fossil_fatal("tech note %s already exists", zETime);
  }

  if ( isNew ){
  if ( rid==0 ){
    zId = db_text(0, "SELECT lower(hex(randomblob(20)))");
  }else{
    zId = db_text(0,
      "SELECT substr(tagname,7) FROM tag"
      " WHERE tagid=(SELECT tagid FROM event WHERE objid='%d')",
      rid
    );

    );
    while( db_step(&q)==SQLITE_ROW ){
      const char *zDate = db_column_text(&q, 0);
      const char *zUser = db_column_text(&q, 1);
      const char *zCom = db_column_text(&q, 2);
      const char *zType = db_column_text(&q, 3);
      const char *zUuid = db_column_text(&q, 4);
      int eventTagId = db_column_int(&q, 5);
      if( cnt>0 ){
        @ Also
      }
      if( zType[0]=='w' ){
        @ Wiki edit
        objType |= OBJTYPE_WIKI;
      }else if( zType[0]=='t' ){
        @ Ticket change
        objType |= OBJTYPE_TICKET;
      }else if( zType[0]=='c' ){
        @ Manifest of check-in
        objType |= OBJTYPE_CHECKIN;
      }else if( zType[0]=='e' ){
        if( eventTagId != 0) {
        @ Instance of technote
        objType |= OBJTYPE_EVENT;
        hyperlink_to_event_tagid(db_column_int(&q, 5));
          @ Instance of technote
          objType |= OBJTYPE_EVENT;
          hyperlink_to_event_tagid(db_column_int(&q, 5));
        }else{
          @ Attachment to technote 
        }
      }else{
        @ Tag referencing
      }
      if( zType[0]!='e' ){
      if( zType[0]!='e' || eventTagId == 0){
        hyperlink_to_uuid(zUuid);
      }
      @ - %!W(zCom) by
      hyperlink_to_user(zUser,zDate," on");
      hyperlink_to_date(zDate, ".");
      if( pDownloadName && blob_size(pDownloadName)==0 ){
        blob_appendf(pDownloadName, "%S.txt", zUuid);

    if( cnt>0 ){
      @ Also attachment "%h(zFilename)" to
    }else{
      @ Attachment "%h(zFilename)" to
    }
    objType |= OBJTYPE_ATTACHMENT;
    if( strlen(zTarget)==UUID_SIZE && validate16(zTarget,UUID_SIZE) ){
      if ( db_exists("SELECT 1 FROM tag WHERE tagname='tkt-%q'",
            zTarget)
      ){
      if( g.perm.Hyperlink && g.anon.RdTkt ){
        @ ticket [%z(href("%R/tktview?name=%!S",zTarget))%S(zTarget)</a>]
      }else{
        @ ticket [%S(zTarget)]
        if( g.perm.Hyperlink && g.anon.RdTkt ){
          @ ticket [%z(href("%R/tktview?name=%!S",zTarget))%S(zTarget)</a>]
        }else{
          @ ticket [%S(zTarget)]
        }
      }else if( db_exists("SELECT 1 FROM tag WHERE tagname='event-%q'",
            zTarget)
      ){
        if( g.perm.Hyperlink && g.anon.RdWiki ){
          @ tech note [%z(href("%R/technote/%h",zTarget))%S(zTarget)</a>]
        }else{
          @ tech note [%S(zTarget)]
        }
      }else{
        if( g.perm.Hyperlink && g.anon.RdWiki ){
          @ wiki page [%z(href("%R/wiki?name=%t",zTarget))%h(zTarget)</a>]
        }else{
          @ wiki page [%h(zTarget)]
        }
      }
    }else{
      if( g.perm.Hyperlink && g.anon.RdWiki ){
        @ wiki page [%z(href("%R/wiki?name=%t",zTarget))%h(zTarget)</a>]
      }else{
        @ wiki page [%h(zTarget)]
      }

  jstr = cson_value_get_string(contentV);
  contentLen = (int)cson_string_length_bytes(jstr);
  if(contentLen){
    blob_append(&content, cson_string_cstr(jstr),contentLen);
  }

  zMimeType = json_find_option_cstr("mimetype","mimetype","M");
  zMimeType = wiki_filter_mimetypes(zMimeType);

  wiki_cmd_commit(zPageName, 0==rid, &content, zMimeType, 0);
  wiki_cmd_commit(zPageName, rid, &content, zMimeType, 0);
  blob_reset(&content);
  /*
    Our return value here has a race condition: if this operation
    is called concurrently for the same wiki page via two requests,
    payV could reflect the results of the other save operation.
  */
  payV = json_get_wiki_page_by_name(

      const char *zTarget = db_column_text(&qatt, 2);
      const char *zName = db_column_text(&qatt, 3);
      const char isAdd = (zSrc && zSrc[0]) ? 1 : 0;
      char *zComment;
      if( isAdd ){
        zComment = mprintf(
             "Add attachment [/artifact/%!S|%h] to"
             " tech note [/technote/%h|%.10h]",
             " tech note [/technote/%!S|%S]",
             zSrc, zName, zTarget, zTarget); 
      }else{
        zComment = mprintf("Delete attachment \"%h\" from tech note [%.10h]",
             zName, zTarget);
        zComment = mprintf(
             "Delete attachment \"%h\" from"
             " tech note [/technote/%!S|%S]",
             zName, zTarget, zTarget);
      }
      db_multi_exec("UPDATE event SET comment=%Q, type='e'"
                       " WHERE objid=%Q",
                    zComment, zAttachId);
      fossil_free(zComment);      
    }
    db_finalize(&qatt);

      }else{
        zComment = mprintf("Delete attachment \"%h\" from wiki page [%h]",
             p->zAttachName, p->zAttachTarget);
      }
    }else if( 'e' == attachToType ){
      if( isAdd ){
        zComment = mprintf(
          "Add attachment [/artifact/%!S|%h] to tech note [/technote/%h|%.10h]",
          "Add attachment [/artifact/%!S|%h] to tech note [/technote/%!S|%S]",
          p->zAttachSrc, p->zAttachName, p->zAttachTarget, p->zAttachTarget); 
      }else{
        zComment = mprintf("Delete attachment \"%h\" from tech note [%.10h]",
             p->zAttachName, p->zAttachTarget);
        zComment = mprintf(
             "Delete attachment \"/artifact/%!S|%h\" from"
             " tech note [/technote/%!S|%S]",
             p->zAttachName, p->zAttachName,
             p->zAttachTarget,p->zAttachTarget);
      }      
    }else{
      if( isAdd ){
        zComment = mprintf(
             "Add attachment [/artifact/%!S|%h] to ticket [%!S|%S]",
             p->zAttachSrc, p->zAttachName, p->zAttachTarget, p->zAttachTarget);
      }else{

** Return true if the given pagename is the name of the sandbox
*/
static int is_sandbox(const char *zPagename){
  return fossil_stricmp(zPagename,"sandbox")==0 ||
         fossil_stricmp(zPagename,"sand box")==0;
}

/*
** Formal, common and short names for the various wiki styles.
*/
static const char *const azStyles[] = {
  "text/x-fossil-wiki", "Fossil Wiki", "wiki",
  "text/x-markdown",    "Markdown",    "markdown",
  "text/plain",         "Plain Text",  "plain"
};

/*
** Only allow certain mimetypes through.
** All others become "text/x-fossil-wiki"
*/
const char *wiki_filter_mimetypes(const char *zMimetype){
  if( zMimetype!=0 &&
      ( fossil_strcmp(zMimetype, "text/x-markdown")==0
        || fossil_strcmp(zMimetype, "text/plain")==0 )
  if( zMimetype!=0 ){
    int i;    
    for(i=0; i<sizeof(azStyles)/sizeof(azStyles[0]); i+=3){
      if( fossil_strcmp(zMimetype,azStyles[i+2])==0 ){
        return azStyles[i];
      }
    }
    if(  fossil_strcmp(zMimetype, "text/x-markdown")==0
        || fossil_strcmp(zMimetype, "text/plain")==0 ){
  ){
    return zMimetype;
      return zMimetype;
    }
  }
  return "text/x-fossil-wiki";
}

/*
** Render wiki text according to its mimetype.
**

    db_multi_exec("INSERT INTO modreq(objid) VALUES(%d)", nrid);
  }
  db_multi_exec("INSERT OR IGNORE INTO unsent VALUES(%d)", nrid);
  db_multi_exec("INSERT OR IGNORE INTO unclustered VALUES(%d);", nrid);
  manifest_crosslink(nrid, pWiki, MC_NONE);
}

/*
** Formal names and common names for the various wiki styles.
*/
static const char *const azStyles[] = {
  "text/x-fossil-wiki", "Fossil Wiki",
  "text/x-markdown",    "Markdown",
  "text/plain",         "Plain Text"
};

/*
** Output a selection box from which the user can select the
** wiki mimetype.
*/
void mimetype_option_menu(const char *zMimetype){
  unsigned i;
  @ <select name="mimetype" size="1">
  for(i=0; i<sizeof(azStyles)/sizeof(azStyles[0]); i+=2){
  for(i=0; i<sizeof(azStyles)/sizeof(azStyles[0]); i+=3){
    if( fossil_strcmp(zMimetype,azStyles[i])==0 ){
      @ <option value="%s(azStyles[i])" selected>%s(azStyles[i+1])</option>
    }else{
      @ <option value="%s(azStyles[i])">%s(azStyles[i+1])</option>
    }
  }
  @ </select>

  @ through the matching &lt;/verbatim&gt;.</p></li>
  @ </ol>
  style_footer();
}

/*
** Add a new wiki page to the repository.  The page name is
** given by the zPageName parameter.  isNew must be true to create
** a new page.  If no previous page with the name zPageName exists
** given by the zPageName parameter.  rid must be zero to create
** a new page otherwise the page identified by rid is updated.
** and isNew is false, then this routine throws an error.
**
** The content of the new page is given by the blob pContent.
**
** zMimeType specifies the N-card for the wiki page. If it is 0,
** empty, or "text/x-fossil-wiki" (the default format) then it is
** ignored.
*/
int wiki_cmd_commit(const char *zPageName, int isNew, Blob *pContent,
int wiki_cmd_commit(const char *zPageName, int rid, Blob *pContent,
                    const char *zMimeType, int localUser){
  Blob wiki;              /* Wiki page content */
  Blob cksum;             /* wiki checksum */
  int rid;                /* artifact ID of parent page */
  char *zDate;            /* timestamp */
  char *zUuid;            /* uuid for rid */

  rid = db_int(0,
     "SELECT x.rid FROM tag t, tagxref x"
     " WHERE x.tagid=t.tagid AND t.tagname='wiki-%q'"
     " ORDER BY x.mtime DESC LIMIT 1",
     zPageName
  );
  if( rid==0 && !isNew ){
#ifdef FOSSIL_ENABLE_JSON
    g.json.resultCode = FSL_JSON_E_RESOURCE_NOT_FOUND;
#endif
    fossil_fatal("no such wiki page: %s", zPageName);
  }
  if( rid!=0 && isNew ){
#ifdef FOSSIL_ENABLE_JSON
    g.json.resultCode = FSL_JSON_E_RESOURCE_ALREADY_EXISTS;
#endif
    fossil_fatal("wiki page %s already exists", zPageName);
  }

  blob_zero(&wiki);
  zDate = date_in_standard_format("now");
  blob_appendf(&wiki, "D %s\n", zDate);
  free(zDate);
  blob_appendf(&wiki, "L %F\n", zPageName );
  if( zMimeType && *zMimeType
      && 0!=fossil_strcmp(zMimeType,"text/x-fossil-wiki") ){

  blob_appendf(&wiki, "Z %b\n", &cksum);
  blob_reset(&cksum);
  db_begin_transaction();
  wiki_put(&wiki, 0, wiki_need_moderation(localUser));
  db_end_transaction(0);
  return 1;
}

/*
** Determine the rid for a tech note given either its id or its
** timestamp. Returns 0 if there is no such item and -1 if the details
** are ambiguous and could refer to multiple items.
*/
int wiki_technote_to_rid(const char *zETime) {
  int rid=0;                    /* Artifact ID of the tech note */
  int nETime = strlen(zETime);
  Stmt q;
  if( nETime>=4 && nETime<=UUID_SIZE && validate16(zETime, nETime) ){
    char zUuid[UUID_SIZE+1];
    memcpy(zUuid, zETime, nETime+1);
    canonical16(zUuid, nETime);
    db_prepare(&q,
      "SELECT e.objid"
      "  FROM event e, tag t"
      " WHERE e.type='e' AND e.tagid IS NOT NULL AND t.tagid=e.tagid"
      "   AND t.tagname GLOB 'event-%q*'",
      zUuid
    );
    if( db_step(&q)==SQLITE_ROW ){
      rid = db_column_int(&q, 0);
      if( db_step(&q)==SQLITE_ROW ) rid = -1;
    }
    db_finalize(&q);
  }
  if (!rid) {
    if (strlen(zETime)>4) {
      rid = db_int(0, "SELECT objid"
                      "  FROM event"
                      " WHERE datetime(mtime)=datetime('%q')"
                      "   AND type='e'"
                      "   AND tagid IS NOT NULL"
                      " ORDER BY objid DESC LIMIT 1",
                   zETime);
    }
  }
  return rid;
}

/*
** COMMAND: wiki*
**
** Usage: %fossil wiki (export|create|commit|list) WikiName
**
** Run various subcommands to work with wiki entries or tech notes.
**
**    %fossil wiki export ?PAGENAME? ?FILE? [-t|--technote DATETIME ]
**    %fossil wiki export PAGENAME ?FILE?
**    %fossil wiki export ?FILE? -t|--technote DATETIME|TECHNOTE-ID 
**
**       Sends the latest version of either the PAGENAME wiki entry
**       or the DATETIME tech note to the given file or standard 
**       output. One of PAGENAME or DATETIME must be specified.
**       Sends the latest version of either a wiki page or of a tech note
**       to the given file or standard output. 
**       If PAGENAME is provided, the wiki page will be output. For
**       a tech note either DATETIME or TECHNOTE-ID must be specified. If 
**       DATETIME is used, the most recently modified tech note with that
**       DATETIME will be sent.
**
**    %fossil wiki (create|commit) PAGENAME ?FILE? ?OPTIONS?
**              
**       Create a new or commit changes to an existing wiki page or 
**       technote from FILE or from standard input.
**       technote from FILE or from standard input. PAGENAME is the
**       name of the wiki entry or the timeline comment of the
**       technote.
**
**       Options:
**         -M|--mimetype TEXT-FORMAT   The mimetype of the update defaulting
**                                     to the type used by the previous version
**                                     of the page or text/x-fossil-wiki.
**         -t|--technote DATETIME      Specifies the timestamp of the technote
**                                     to be created or updated.
**         -M|--mimetype TEXT-FORMAT   The mime type of the update.
**                                     Defaults to the type used by
**                                     the previous version of the
**                                     page, or text/x-fossil-wiki.
**                                     Valid values are: text/x-fossil-wiki,
**                                     text/markdown and text/plain. fossil,
**                                     markdown or plain can be specified as
**                                     synonyms of these values.
**         -t|--technote DATETIME      Specifies the timestamp of
**                                     the technote to be created or
**                                     updated. When updating a tech note
**                                     the most recently modified tech note
**                                     with the specified timestamp will be
**                                     updated.
**         -t|--technote TECHNOTE-ID   Specifies the technote to be
**                                     updated by its technote id.
**         --technote-tags TAGS        The set of tags for a technote.
**         --technote-bgcolor COLOR    The color used for the technote on the
**                                     timeline.
**         --technote-bgcolor COLOR    The color used for the technote
**                                     on the timeline.
**
**    %fossil wiki list ?--technote?
**    %fossil wiki ls ?--technote?
**    %fossil wiki list ?OPTIONS?
**    %fossil wiki ls ?OPTIONS?
**
**       Lists all wiki entries, one per line, ordered
**       case-insensitively by name. The --technote flag
**       specifies that technotes will be listed instead of
**       the wiki entries, which will be listed in order
**       timestamp.
**       case-insensitively by name. 
**
**       Options:
**         -t|--technote               Technotes will be listed instead of
**                                     pages. The technotes will be in order
**                                     of timestamp with the most recent
**                                     first.
**         -s|--show-technote-ids      The id of the tech note will be listed
**                                     along side the timestamp. The tech note
**                                     id will be the first word on each line.
**                                     This option only applies if the
**                                     --technote option is also specified.
**
*/
void wiki_cmd(void){
  int n;
  db_find_and_open_repository(0, 0);
  if( g.argc<3 ){
    goto wiki_cmd_usage;

      }
      if( zBody==0 ){
        fossil_fatal("wiki page [%s] not found",zPageName);
      }
      zFile = (g.argc==4) ? "-" : g.argv[4];
    }else{
      if( (g.argc!=3) && (g.argc!=4) ){
        usage("export ?FILE? --technote DATETIME");
        usage("export ?FILE? --technote DATETIME|TECHNOTE-ID");
      }
      rid = db_int(0, "SELECT objid FROM event"
        " WHERE datetime(mtime)=datetime('%q') AND type='e'"
      rid = wiki_technote_to_rid(zETime);
      if (rid == -1) {
        " ORDER BY mtime DESC LIMIT 1",
        zETime
        fossil_fatal("ambiguous tech note id: %s", zETime);
      );
      }
      if( (pWiki = manifest_get(rid, CFTYPE_EVENT, 0))!=0 ){
        zBody = pWiki->zWiki;
      }
      if( zBody==0 ){
        fossil_fatal("technote not found");
        fossil_fatal("technote [%s] not found",zETime);
      }
      zFile = (g.argc==3) ? "-" : g.argv[3];
    }
    for(i=strlen(zBody); i>0 && fossil_isspace(zBody[i-1]); i--){}
    zBody[i] = 0;
    blob_init(&body, zBody, -1);
    blob_append(&body, "\n", 1);

                     zPageName
                     );
        if(rid>0 && (pWiki = manifest_get(rid, CFTYPE_WIKI, 0))!=0
           && (pWiki->zMimetype && *pWiki->zMimetype)){
          zMimeType = pWiki->zMimetype;
        }
      }else{
        rid = db_int(0, "SELECT objid FROM event"
        rid = wiki_technote_to_rid(zETime);
                     " WHERE datetime(mtime)=datetime('%q') AND type='e'"
                     " ORDER BY mtime DESC LIMIT 1",
                     zPageName
                     );
        if(rid>0 && (pWiki = manifest_get(rid, CFTYPE_EVENT, 0))!=0
           && (pWiki->zMimetype && *pWiki->zMimetype)){
          zMimeType = pWiki->zMimetype;
        }
      }
    }else{
      zMimeType = wiki_filter_mimetypes(zMimeType);
    }
    if( g.argv[2][1]=='r' && rid>0 ){
      if ( !zETime ){
        fossil_fatal("wiki page %s already exists", zPageName);
      }else{
        /* Creating a tech note with same timestamp is permitted
           and should create a new tech note */
        rid = 0; 
      }
    }else if( g.argv[2][1]=='o' && rid == 0 ){
      if ( !zETime ){
        fossil_fatal("no such wiki page: %s", zPageName);
      }else{
        fossil_fatal("no such tech note: %s", zETime);
      }
    }

    if( !zETime ){
      wiki_cmd_commit(zPageName, rid, &content, zMimeType, 1);
      if( g.argv[2][1]=='r' ){
        wiki_cmd_commit(zPageName, 1, &content, zMimeType, 1);
        fossil_print("Created new wiki page %s.\n", zPageName);
      }else{
        wiki_cmd_commit(zPageName, 0, &content, zMimeType, 1);
        fossil_print("Updated wiki page %s.\n", zPageName);
      }
    }else{
      if( rid != -1 ){
      char *zMETime;          /* Normalized, mutable version of zETime */
      zMETime = db_text(0, "SELECT coalesce(datetime(%Q),datetime('now'))",
                        zETime);
        char *zMETime;          /* Normalized, mutable version of zETime */
        zMETime = db_text(0, "SELECT coalesce(datetime(%Q),datetime('now'))",
                          zETime);
      if( g.argv[2][1]=='r' ){
        event_cmd_commit(zMETime, 1, &content, zMimeType, zPageName,
        event_cmd_commit(zMETime, rid, &content, zMimeType, zPageName,
                         zTags, zClr);
        if( g.argv[2][1]=='r' ){
        fossil_print("Created new tech note %s.\n", zMETime);
      }else{
          fossil_print("Created new tech note %s.\n", zMETime);
        }else{
        event_cmd_commit(zMETime, 0, &content, zMimeType, zPageName,
                         zTags, zClr);
        fossil_print("Updated tech note %s.\n", zMETime);
      }
      free(zMETime);
          fossil_print("Updated tech note %s.\n", zMETime);
        }
        free(zMETime);
      }else{
        fossil_fatal("ambiguous tech note id: %s", zETime);
      }
    }
    manifest_destroy(pWiki);
    blob_reset(&content);
  }else if( strncmp(g.argv[2],"delete",n)==0 ){
    if( g.argc!=5 ){
      usage("delete PAGENAME");
    }
    fossil_fatal("delete not yet implemented.");
  }else if(( strncmp(g.argv[2],"list",n)==0 )
          || ( strncmp(g.argv[2],"ls",n)==0 )){
    Stmt q;
    int showIds = 0;

    if ( !find_option("technote","t",0) ){
      db_prepare(&q,
        "SELECT substr(tagname, 6) FROM tag WHERE tagname GLOB 'wiki-*'"
        " ORDER BY lower(tagname) /*sort*/"
      );
    }else{
      showIds = find_option("show-technote-ids","s",0)!=0;
      db_prepare(&q,
        "SELECT datetime(mtime) FROM event WHERE type='e'"
        " ORDER BY mtime /*sort*/"
        "SELECT datetime(e.mtime), substr(t.tagname,7)"
         " FROM event e, tag t"
        " WHERE e.type='e'"
          " AND e.tagid IS NOT NULL"
          " AND t.tagid=e.tagid"
        " ORDER BY e.mtime DESC /*sort*/"
      );
    }
  
    while( db_step(&q)==SQLITE_ROW ){
      const char *zName = db_column_text(&q, 0);
      if (showIds) {
        const char *zUuid = db_column_text(&q, 1);
        fossil_print("%s ",zUuid);
      }
      fossil_print( "%s\n",zName);
    }
    db_finalize(&q);
  }else{
    goto wiki_cmd_usage;
  }
  return;

wiki_cmd_usage:
  usage("export|create|commit|list ...");
}

#
# Copyright (c) 2016 D. Richard Hipp
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the Simplified BSD License (also
# known as the "2-Clause License" or "FreeBSD License".)
#
# This program is distributed in the hope that it will be useful,
# but without any warranty; without even the implied warranty of
# merchantability or fitness for a particular purpose.
#
# Author contact information:
#   drh@hwaci.com
#   http://www.hwaci.com/drh/
#
############################################################################
#
# Test wiki and attachment command Support
#

test_setup

# Return true if two files are similar (i.e. not only compress trailing spaces
# from a line, but remove any final LF from the file as well)
proc similar_file {a b} {
  set x [read_file $a]
  regsub -all { +\n} $x \n x
  regsub -all {\n$} $x {} x
  set y [read_file $b]
  regsub -all { +\n} $y \n y
  regsub -all {\n$} $y {} y
  return [expr {$x==$y}]
}

# Return the mime type in the manifest for a given wiki page
# Defaults to "error: some text" if the manifest can't be located and
# "text/x-fossil-wiki" (the default mimetype for rendering)
# if the N card is omitted in the manifest.
# Note: Makes fossil calls, so $CODE and $RESULT will be corrupted
proc get_mime_type {name} {
  global CODE RESULT
  fossil http << "GET /wiki?name=$name"
  if {$CODE != 0} {
    return error: /wiki?name=$name $CODE $RESULT"
  }
  set CODE [regexp {href="/info/([0-9a-f]+)"} $RESULT match info]
  if {$CODE == 0} {
    return "error: No info link found for wiki page $name"
  }
  fossil http << "GET /artifact/$info"
  if {$CODE != 0} {
    return "error: /artifact/$info $CODE $RESULT"
  }
  set CODE [regexp {<pre>(.*)</pre>} $RESULT match pre]
  if {$CODE == 0} {
    return "error: No pre block in /artifact/$info"
  }
  set CODE [regexp -line {^N (.*)$} $pre match mimetype]
  if {$CODE == 0} {
    return "text/x-fossil-wiki"
  }
  return $mimetype
}


###############################################################################
# Initially there should be no wiki entries
fossil wiki list
test wiki-0 {[normalize_result] eq {}}

###############################################################################
# Adding an entry should add it to the wiki list
write_file f1 "first wiki note"
fossil wiki create tcltest f1
test wiki-1 {$CODE == 0}
fossil wiki list
test wiki-2 {[normalize_result] eq {tcltest}}

###############################################################################
# Trying to add the same entry should fail
fossil wiki create tcltest f1 -expectError
test wiki-3 {$CODE != 0}

###############################################################################
# exporting the wiki page should give back similar text
fossil wiki export tcltest a1
test wiki-4 {[similar_file f1 a1]}

###############################################################################
# commiting a change to an existing page should replace the page on export
write_file f2 "second version of the page"
fossil wiki commit tcltest f2
test wiki-5 {$CODE == 0}
fossil wiki export tcltest a2
test wiki-6 {[similar_file f2 a2]}

###############################################################################
# But we shouldn't be able to update non-existant pages
fossil wiki commit doesntexist f1 -expectError
test wiki-7 {$CODE != 0}

###############################################################################
# There shouldn't be any tech notes at this point
fossil wiki list --technote
test wiki-8 {[normalize_result] eq {}}

###############################################################################
# Creating a tech note with a specified timestamp should add a technote
write_file f3 "A technote"
fossil wiki create technote f3 --technote {2016-01-01 12:34}
test wiki-9 {$CODE == 0}
fossil wiki list --technote
test wiki-10 {[normalize_result] eq {2016-01-01 12:34:00}}
fossil wiki list --technote --show-technote-ids
set technotelist [split $RESULT "\n"]
set veryfirsttechnoteid [lindex [split [lindex $technotelist 0]] 0]

###############################################################################
# exporting that technote should give back similar text
fossil wiki export a3 --technote {2016-01-01 12:34:00}
test wiki-11 {[similar_file f3 a3]}

###############################################################################
# Trying to add a technote with the same timestamp should succeed and create a
# second tech note
fossil wiki create 2ndnote f3 -technote {2016-01-01 12:34}
test wiki-13 {$CODE == 0}
fossil wiki list --technote
set technotelist [split $RESULT "\n"] 
test wiki-13.1 {[llength $technotelist] == 2}

###############################################################################
# commiting a change to an existing technote should replace the page on export
# (this should update the tech note from wiki-13 as that the most recently
# updated one, that should also be the one exported by the export command)
write_file f4 "technote 2nd variant"
fossil wiki commit technote f4 --technote {2016-01-01 12:34}
test wiki-14 {$CODE == 0}
fossil wiki export a4 --technote {2016-01-01 12:34}
test wiki-15 {[similar_file f4 a4]}
# Also check that the tech note with the same timestamp, but modified less
# recently still has its original text
fossil wiki export a4.1 --technote $veryfirsttechnoteid
test wiki-15.1 {[similar_file f3 a4.1]}

###############################################################################
# But we shouldn't be able to update non-existant pages
fossil wiki commit doesntexist f1 -expectError
test wiki-16 {$CODE != 0}

###############################################################################
# Check specifying tags for a technote is OK 
write_file f5 "technote with tags"
fossil wiki create {tagged technote} f5 --technote {2016-01-02 12:34} --technote-tags {A B}
test wiki-17 {$CODE == 0}
write_file f5.1 "editted and tagged technote"
fossil wiki commit {tagged technote} f5 --technote {2016-01-02 12:34} --technote-tags {C D}
test wiki-18 {$CODE == 0}

###############################################################################
# Check specifying a bgcolor for a technote is OK
write_file f6 "bgcolored technote"
fossil wiki create bgcolor f6 --technote {2016-01-03 12:34} --technote-bgcolor red
test wiki-19 {$CODE == 0}
write_file f6.1 "editted technote with a background color"
fossil wiki commit bgcolor f6.1 --technote {2016-01-03 12:34} --technote-bgcolor yellow
test wiki-20 {$CODE == 0}

###############################################################################
# Test adding an attachment to both a non-existant (should fail) and existing wiki page
write_file fa "This is a file to be attached"
fossil attachment add doesntexist fa -expectError
test wiki-21 {$CODE != 0}
fossil attachment add tcltest fa
test wiki-22 {$CODE == 0}

###############################################################################
# Test adding an attachment to both a non-existant (should fail) and existing tech note
fossil attachment add fa --technote {2016-07-22 12:00} -expectError
test wiki-23 {$CODE != 0}
fossil attachment add fa --technote {2016-01-03 12:34}
test wiki-24 {$CODE == 0}

###############################################################################
# Check that a wiki page with an attachment can be updated
fossil wiki commit tcltest f1
test wiki-25 {$CODE == 0}

###############################################################################
# Check that a technote with an attachment can be updated
fossil wiki commit technote f6 --technote {2016-01-03 12:34}
test wiki-26 {$CODE == 0}
fossil wiki commit technote f6 --technote {2016-01-03 12:34} --technote-tags {E F}
test wiki-27 {$CODE == 0}
fossil wiki commit technote f6 --technote {2016-01-03 12:34} --technote-bgcolor blue
test wiki-28 {$CODE == 0}

###############################################################################
# Check longest form of timestamp for the technote
write_file f7 "Different timestamps"
fossil wiki create technotenow f7 --technote {2016-01-04 12:34:56+00:00}
test wiki-29 {$CODE == 0}

###############################################################################
# Check a technote appears on the timeline
write_file f8 "Contents of a 'unique' tech note"
fossil wiki create {Unique technote} f8 --technote {2016-01-05 01:02:03}
fossil timeline
test wiki-30 {[string match *Unique*technote* $RESULT]}

###############################################################################
# Check for a collision between an attachment and a note, this was a
# bug that resulted from some code treating the attachment entry as if it 
# were a technote when it isn't really. 
#
# First, wait for the top of the next second so the attachment
# happens at a known time, then add an attachment to an existing note
# and a new note immediately after. 

set t0 [clock seconds]
while {$t0 == [clock seconds]} {
  after 100
}
set t1 [clock format [clock seconds] -gmt 1 -format "%Y-%m-%d %H:%M:%S"]
write_file f9 "Timestamp: $t1"
fossil attachment add f9 --technote {2016-01-05 01:02:03}
test wiki-31 {$CODE == 0}
fossil wiki create {Attachment collision} f9 --technote now
test wiki-32 {$CODE == 0}
#
# Now waste time until the next second so that the remaining tests
# don't have to worry about a potential collision
set t0 [clock seconds]
while {$t0 == [clock seconds]} {
  after 100
}

###############################################################################
# Check a technote with no timestamp cannot be created, but that
# "now" is a valid stamp.
set t2 [clock format [clock seconds] -gmt 1 -format "%Y-%m-%d %H:%M:%S"]
write_file f10 "Even unstampted notes are delivered.\nStamped $t2"
fossil wiki create "Unstamped Note" f10 --technote -expectError
test wiki-33 {$CODE != 0}
fossil wiki create "Unstamped Note" f10 --technote now
test wiki-34 {$CODE == 0}
fossil wiki list -t 
test wiki-35 {[string match "*$t2*" $RESULT]}

###############################################################################
# Check an attachment to it in the same second works. 
write_file f11 "Time Stamp was $t2"
fossil attachment add f11 --technote $t2
test wiki-36 {$CODE == 0}
fossil timeline
test wiki-36-1 {$CODE == 0}
fossil wiki list -t
test wiki-36-2 {$CODE == 0}

###############################################################################
# Check that we have the expected number of tech notes on the list (and not 
# extra ones from other events (such as the attachments) - 8 tech notes 
# expected created by tests 9, 13, 17, 19, 29, 31, 32 and 34 
fossil wiki list --technote
set technotelist [split $RESULT "\n"] 
test wiki-37 {[llength $technotelist] == 8}

###############################################################################
# Check that using the show-technote-ids shows the same tech notes in the same
# order (with the technote id as the first word of the line)
fossil wiki list --technote --show-technote-ids
set technoteidlist [split $RESULT "\n"]
test wiki-38 {[llength $technotelist] == 8}
for {set i 0} {$i < [llength $technotelist]} {incr i} {
  set match "???????????????????????????????????????? "
  append match [lindex $technotelist $i]
  test "wiki-39-$i" {[string match $match [lindex $technoteidlist $i]]}
}

###############################################################################
# Create new tech note with a old timestamp so that it is oldest and then check that
# the contents of the oldest tech note (by tech note id, both full and short) match up
write_file f12 "A really old tech note"
fossil wiki create {Old tech note} f12 --technote {2001-07-07 09:08:07}
fossil wiki list --technote --show-technote-ids
set technotelist [split $RESULT "\n"]
set anoldtechnoteid [lindex [split [lindex $technotelist [llength $technotelist]-1]] 0]
fossil wiki export a12 --technote $anoldtechnoteid
test wiki-40 {[similar_file f12 a12]}

###############################################################################
# Also check that we can specify a prefix of the tech note id (note: with
# 9 items in the tech note at this point there is a chance of a collision.
# However with a 20 character prefix the chance of the collision is 
# approximately 1 in 10^22 so this test ignores that possibility.)
fossil wiki export a12.1 --technote [string range $anoldtechnoteid 0 20]
test wiki-41 {[similar_file f12 a12.1]}

###############################################################################
# Now we need to force a collision in the first four characters of the tech
# note id if we don't already have one so we can check we get an error if the
# tech note id is ambiguous
set idcounts [dict create]
set maxcount 0
fossil wiki list --technote --show-technote-ids
set technotelist [split $RESULT "\n"]
for {set i 0} {$i < [llength $technotelist]} {incr i} {
  set fullid [lindex $technotelist $i]
  set id [string range $fullid 0 3]
  dict incr idcounts $id
  if {[dict get $idcounts $id] > $maxcount} {
    set maxid $id
    incr maxcount 
  }
}
# get i so that, as a julian date, it is in the 1800s, i.e., older than
# any other tech note, but after 1 AD
set i 2400000
while {$maxcount < 2} {
  # keep getting older
  incr i -1
  write_file f13 "A tech note with timestamp of jday=$i"
  fossil wiki create "timestamp of $i" f13 --technote "$i"
  fossil wiki list --technote --show-technote-ids
  set technotelist [split $RESULT "\n"]
  set oldesttechnoteid [lindex [split [lindex $technotelist [llength $technotelist]-1]] 0]
  set id [string range $oldesttechnoteid 0 3]
  dict incr idcounts $id
  if {[dict get $idcounts $id] > $maxcount} {
    set maxid $id
    incr maxcount 
  }
}
# Save the duplicate id for this and later tests
set duplicateid $maxid
fossil wiki export a13 --technote $duplicateid -expectError
test wiki-42 {$CODE != 0}

###############################################################################
# Check we can update technote by its id
write_file f14 "Updated text for the really old tech note"
fossil wiki commit {Old tech note} f14 --technote $anoldtechnoteid
fossil wiki export a14 --technote $anoldtechnoteid
test wiki-43 {[similar_file f14 a14]}

###############################################################################
# Check we can add attachments to a technote by its id
fossil attachment add fa --technote $anoldtechnoteid
test wiki-44 {$CODE == 0}

###############################################################################
# Also check that we can specify a prefix of the tech note id
write_file f15 "Updated text for the really old tech note specified by its id"
fossil wiki commit {Old tech note} f15 --technote [string range $anoldtechnoteid 0 20]
fossil wiki export a15 --technote $anoldtechnoteid
test wiki-45 {[similar_file f15 a15]}

###############################################################################
# Check we can add attachments to a technote by a prefix of its id
fossil attachment add fa --technote [string range $anoldtechnoteid 0 20]
test wiki-46 {$CODE == 0}

###############################################################################
# And we get an error for the ambiguous tech note id
fossil wiki commit {Old tech note} f15 --technote $duplicateid -expectError
test wiki-47 {$CODE != 0}
fossil attachment add fa --technote $duplicateid -expectError
test wiki-48 {$CODE != 0}

###############################################################################
# Check the default mimetype is text/x-fossil-wiki
test wiki-49 {[get_mime_type tcltest] == "text/x-fossil-wiki"}

###############################################################################
# Check long form of the mimetypes are recorded correctly
fossil wiki create tcltest-x-fossil f1 -mimetype text/x-fossil-wiki
test wiki-50 {[get_mime_type tcltest-x-fossil] == "text/x-fossil-wiki"}
fossil wiki create tcltest-x-markdown f1 -mimetype text/x-markdown
test wiki-51 {[get_mime_type tcltest-x-markdown] == "text/x-markdown"}
fossil wiki create tcltest-plain f1 -mimetype text/plain
test wiki-52 {[get_mime_type tcltest-plain] == "text/plain"}
fossil wiki create tcltest-x-random f1 -mimetype text/x-random
test wiki-53 {[get_mime_type tcltest-x-random] == "text/x-fossil-wiki"}

###############################################################################
# Check short form of the mimetypes are recorded correctly
fossil wiki create tcltest-x-fossil-short f1 -mimetype wiki
test wiki-54 {[get_mime_type tcltest-x-fossil-short] == "text/x-fossil-wiki"}
fossil wiki create tcltest-x-markdown-short f1 -mimetype markdown
test wiki-55 {[get_mime_type tcltest-x-markdown-short] == "text/x-markdown"}
fossil wiki create tcltest-plain-short f1 -mimetype plain
test wiki-56 {[get_mime_type tcltest-plain-short] == "text/plain"}
fossil wiki create tcltest-x-random-short f1 -mimetype random
test wiki-57 {[get_mime_type tcltest-x-random-short] == "text/x-fossil-wiki"}


###############################################################################
test_cleanup