Fossil

@   smip TEXT                         -- IP address of last change
@ );
@ CREATE INDEX repository.subscriberUname
@   ON subscriber(suname) WHERE suname IS NOT NULL;
@ 
@ -- Email notifications that need to be sent.
@ --
@ -- The first character of the eventid determines the event type.
@ -- Remaining characters determine the specific event.  For example,
@ -- 'c4413' means check-in with rid=4413.
@ --
@ CREATE TABLE repository.pending_alert(
@   eventid TEXT PRIMARY KEY,         -- Object that changed
@   sentSep BOOLEAN DEFAULT false,    -- individual emails sent
@   sentDigest BOOLEAN DEFAULT false  -- digest emails sent
@ ) WITHOUT ROWID;
@ 
@ -- Record bounced emails.  If too many bounces are received within
@ -- some defined time range, then cancel the subscription.  Older
@ -- entries are periodically purged.

/*
** Make sure the unversioned table exists in the repository.
*/
void email_schema(void){
  if( !db_table_exists("repository", "subscriber") ){
    db_multi_exec(zEmailInit/*works-like:""*/);
    email_triggers_enable();
  }
}

/*
** Enable triggers that automatically populate the event_pending
** table.
*/
void email_triggers_enable(void){
  if( !db_table_exists("repository","pending_alert") ) return;
  db_multi_exec(
    "CREATE TRIGGER IF NOT EXISTS repository.email_trigger1\n"
    "AFTER INSERT ON event BEGIN\n"
    "  INSERT INTO pending_alert(eventid)\n"
    "    SELECT printf('%%.1c%%d',new.type,new.objid) WHERE true\n"
    "    ON CONFLICT(eventId) DO NOTHING;\n"
    "END;"
  );
}

/*
** Disable triggers the event_pending triggers.
**
** This must be called before rebuilding the EVENT table, for example
** via the "fossil rebuild" command.
*/
void email_triggers_disable(void){
  db_multi_exec(
    "DROP TRIGGER IF EXISTS repository.email_trigger1;\n"
  );
}

/*
** Return true if email alerts are active.
*/
int email_enabled(void){
  if( !db_table_exists("repository", "subscriber") ) return 0;
  if( fossil_strcmp(db_get("email-send-method","off"),"off")==0 ) return 0;

      char *zFN = emailTempFilename(zInboundDir);
      blob_write_to_file(&email, zFN);
      fossil_free(zFN);
    }
    email_receive(&email);
  }else
  if( strncmp(zCmd, "reset", nCmd)==0 ){

    int c;
    int bForce = find_option("force","f",0)!=0;
    verify_all_options();
    if( bForce ){
      c = 'y';
    }else{
      Blob yn;
      fossil_print(
          "This will erase all content in the repository tables, thus\n"
          "deleting all subscriber information.  The information will be\n"
          "unrecoverable.\n");
      prompt_user("Continue? (y/N) ", &yn);
      c = blob_str(&yn)[0];
      blob_zero(&yn);
    }
    if( c=='y' ){
      email_triggers_disable();
      db_multi_exec(
        "DROP TABLE IF EXISTS subscriber;\n"
        "DROP TABLE IF EXISTS pending_alert;\n"
        "DROP TABLE IF EXISTS email_bounce;\n"
        /* Legacy */
        "DROP TABLE IF EXISTS email_pending;\n"
        "DROP TABLE IF EXISTS subscription;\n"
      );
      email_schema();
    }

  }else
  if( strncmp(zCmd, "send", nCmd)==0 ){
    Blob prompt, body, hdr;
    int sendAsBoth = find_option("both",0,0)!=0;
    int sendAsHtml = find_option("html",0,0)!=0;
    const char *zDest = find_option("stdout",0,0)!=0 ? "stdout" : 0;
    int i;

/*
** Update the repository schema for Fossil version 2.0.  (2017-02-28)
**   (1) Change the CHECK constraint on BLOB.UUID so that the length
**       is greater than or equal to 40, not exactly equal to 40.
*/
void rebuild_schema_update_2_0(void){
  char *z = db_text(0, "SELECT sql FROM repository.sqlite_master"
                       " WHERE name='blob'");
  if( z ){
    /* Search for:  length(uuid)==40
    **              0123456789 12345   */
    int i;
    for(i=10; z[i]; i++){
      if( z[i]=='=' && strncmp(&z[i-6],"(uuid)==40",10)==0 ){
        z[i] = '>';

  bag_init(&bagDone);
  ttyOutput = doOut;
  processCnt = 0;
  if (ttyOutput && !g.fQuiet) {
    percent_complete(0);
  }
  email_triggers_disable();
  rebuild_update_schema();
  blob_init(&sql, 0, 0);
  db_prepare(&q,
     "SELECT name FROM sqlite_master /*scan*/"
     " WHERE type='table'"
     " AND name NOT IN ('admin_log', 'blob','delta','rcvfrom','user','alias',"
                       "'config','shun','private','reportfmt',"
                       "'concealed','accesslog','modreq',"
                       "'purgeevent','purgeitem','unversioned',"
                       "'subscriber','pending_alert','email_bounce')"
     " AND name NOT GLOB 'sqlite_*'"
     " AND name NOT GLOB 'fx_*'"
  );
  while( db_step(&q)==SQLITE_ROW ){
    blob_appendf(&sql, "DROP TABLE IF EXISTS \"%w\";\n", db_column_text(&q,0));
  }
  db_finalize(&q);

    percent_complete((processCnt*1000)/totalSize);
  }
  if( doClustering ) create_cluster();
  if( ttyOutput && !g.fQuiet && totalSize>0 ){
    processCnt += incrSize;
    percent_complete((processCnt*1000)/totalSize);
  }
  email_triggers_enable();
  if(!g.fQuiet && ttyOutput ){
    percent_complete(1000);
    fossil_print("\n");
  }
  return errCnt;
}