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path: root/comm/mailnews/db/msgdb/src/nsImapMailDatabase.cpp
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include <sys/stat.h>

#include "msgCore.h"
#include "nsImapMailDatabase.h"
#include "nsDBFolderInfo.h"
#include "nsMsgMessageFlags.h"

const char* kPendingHdrsScope =
    "ns:msg:db:row:scope:pending:all";  // scope for all offine ops table
const char* kPendingHdrsTableKind = "ns:msg:db:table:kind:pending";
struct mdbOid gAllPendingHdrsTableOID;

nsImapMailDatabase::nsImapMailDatabase()
    : m_pendingHdrsRowScopeToken(0), m_pendingHdrsTableKindToken(0) {}

nsImapMailDatabase::~nsImapMailDatabase() {}

NS_IMETHODIMP nsImapMailDatabase::GetSummaryValid(bool* aResult) {
  NS_ENSURE_ARG_POINTER(aResult);
  if (m_dbFolderInfo) {
    uint32_t version;
    m_dbFolderInfo->GetVersion(&version);
    *aResult = (GetCurVersion() == version);
  } else
    *aResult = false;

  return NS_OK;
}

NS_IMETHODIMP nsImapMailDatabase::SetSummaryValid(bool valid) {
  if (m_dbFolderInfo) {
    m_dbFolderInfo->SetVersion(valid ? GetCurVersion() : 0);
    Commit(nsMsgDBCommitType::kLargeCommit);
  }
  return NS_OK;
}

// We override this to avoid our parent class (nsMailDatabase)'s
// grabbing of the folder semaphore, and bailing on failure.
NS_IMETHODIMP nsImapMailDatabase::DeleteMessages(
    nsTArray<nsMsgKey> const& nsMsgKeys, nsIDBChangeListener* instigator) {
  return nsMsgDatabase::DeleteMessages(nsMsgKeys, instigator);
}

nsresult nsImapMailDatabase::AdjustExpungedBytesOnDelete(nsIMsgDBHdr* msgHdr) {
  uint32_t msgFlags;
  msgHdr->GetFlags(&msgFlags);
  if (msgFlags & nsMsgMessageFlags::Offline && m_dbFolderInfo) {
    uint32_t size = 0;
    (void)msgHdr->GetOfflineMessageSize(&size);
    return m_dbFolderInfo->ChangeExpungedBytes(size);
  }
  return NS_OK;
}

NS_IMETHODIMP nsImapMailDatabase::ForceClosed() {
  m_mdbAllPendingHdrsTable = nullptr;
  return nsMailDatabase::ForceClosed();
}

nsresult nsImapMailDatabase::GetAllPendingHdrsTable() {
  nsresult rv = NS_OK;
  if (!m_mdbAllPendingHdrsTable)
    rv = GetTableCreateIfMissing(kPendingHdrsScope, kPendingHdrsTableKind,
                                 getter_AddRefs(m_mdbAllPendingHdrsTable),
                                 m_pendingHdrsRowScopeToken,
                                 m_pendingHdrsTableKindToken);
  return rv;
}

NS_IMETHODIMP nsImapMailDatabase::AddNewHdrToDB(nsIMsgDBHdr* newHdr,
                                                bool notify) {
  nsresult rv = nsMsgDatabase::AddNewHdrToDB(newHdr, notify);
  if (NS_SUCCEEDED(rv)) rv = UpdatePendingAttributes(newHdr);
  return rv;
}

NS_IMETHODIMP nsImapMailDatabase::UpdatePendingAttributes(
    nsIMsgDBHdr* aNewHdr) {
  nsresult rv = GetAllPendingHdrsTable();
  NS_ENSURE_SUCCESS(rv, rv);
  mdb_count numPendingHdrs = 0;
  m_mdbAllPendingHdrsTable->GetCount(GetEnv(), &numPendingHdrs);
  if (numPendingHdrs > 0) {
    mdbYarn messageIdYarn;
    nsCOMPtr<nsIMdbRow> pendingRow;
    mdbOid outRowId;

    nsCString messageId;
    aNewHdr->GetMessageId(getter_Copies(messageId));
    messageIdYarn.mYarn_Buf = (void*)messageId.get();
    messageIdYarn.mYarn_Fill = messageId.Length();
    messageIdYarn.mYarn_Form = 0;
    messageIdYarn.mYarn_Size = messageIdYarn.mYarn_Fill;

    m_mdbStore->FindRow(GetEnv(), m_pendingHdrsRowScopeToken,
                        m_messageIdColumnToken, &messageIdYarn, &outRowId,
                        getter_AddRefs(pendingRow));
    if (pendingRow) {
      mdb_count numCells;
      mdbYarn cellYarn;
      mdb_column cellColumn;
      uint32_t existingFlags;

      pendingRow->GetCount(GetEnv(), &numCells);
      aNewHdr->GetFlags(&existingFlags);
      // iterate over the cells in the pending hdr setting properties on the
      // aNewHdr. we skip cell 0, which is the messageId;
      nsMsgHdr* msgHdr =
          static_cast<nsMsgHdr*>(aNewHdr);  // closed system, cast ok
      nsIMdbRow* row = msgHdr->GetMDBRow();
      for (mdb_count cellIndex = 1; cellIndex < numCells; cellIndex++) {
        nsresult err =
            pendingRow->SeekCellYarn(GetEnv(), cellIndex, &cellColumn, nullptr);
        if (NS_SUCCEEDED(err)) {
          err = pendingRow->AliasCellYarn(GetEnv(), cellColumn, &cellYarn);
          if (NS_SUCCEEDED(err)) {
            if (row) row->AddColumn(GetEnv(), cellColumn, &cellYarn);
          }
        }
      }
      // We might have changed some cached values, so force a refresh.
      msgHdr->ClearCachedValues();
      uint32_t resultFlags;
      msgHdr->OrFlags(existingFlags, &resultFlags);
      m_mdbAllPendingHdrsTable->CutRow(GetEnv(), pendingRow);
      pendingRow->CutAllColumns(GetEnv());
    }
  }
  return rv;
}

nsresult nsImapMailDatabase::GetRowForPendingHdr(nsIMsgDBHdr* pendingHdr,
                                                 nsIMdbRow** row) {
  nsresult rv = GetAllPendingHdrsTable();
  NS_ENSURE_SUCCESS(rv, rv);

  mdbYarn messageIdYarn;
  nsCOMPtr<nsIMdbRow> pendingRow;
  mdbOid outRowId;
  nsCString messageId;
  pendingHdr->GetMessageId(getter_Copies(messageId));
  messageIdYarn.mYarn_Buf = (void*)messageId.get();
  messageIdYarn.mYarn_Fill = messageId.Length();
  messageIdYarn.mYarn_Form = 0;
  messageIdYarn.mYarn_Size = messageIdYarn.mYarn_Fill;

  rv = m_mdbStore->FindRow(GetEnv(), m_pendingHdrsRowScopeToken,
                           m_messageIdColumnToken, &messageIdYarn, &outRowId,
                           getter_AddRefs(pendingRow));

  if (!pendingRow)
    rv = m_mdbStore->NewRow(GetEnv(), m_pendingHdrsRowScopeToken,
                            getter_AddRefs(pendingRow));

  NS_ENSURE_SUCCESS(rv, rv);
  if (pendingRow) {
    // now we need to add cells to the row to remember the messageid, property
    // and property value, and flags. Then, when hdrs are added to the db, we'll
    // check if they have a matching message-id, and if so, set the property and
    // flags
    // XXX we already fetched messageId from the pending hdr, could it have
    // changed by the time we get here?
    nsCString messageId;
    pendingHdr->GetMessageId(getter_Copies(messageId));
    // we're just going to ignore messages without a message-id. They should be
    // rare. If SPAM messages often didn't have message-id's, they'd be filtered
    // on the server, most likely, and spammers would then start putting in
    // message-id's.
    if (!messageId.IsEmpty()) {
      extern const char* kMessageIdColumnName;
      m_mdbAllPendingHdrsTable->AddRow(GetEnv(), pendingRow);
      // make sure this is the first cell so that when we ignore the first
      // cell in nsImapMailDatabase::AddNewHdrToDB, we're ignoring the right one
      (void)SetProperty(pendingRow, kMessageIdColumnName, messageId.get());
      pendingRow.forget(row);
    } else
      return NS_ERROR_FAILURE;
  }
  return rv;
}

NS_IMETHODIMP nsImapMailDatabase::SetAttributeOnPendingHdr(
    nsIMsgDBHdr* pendingHdr, const char* property, const char* propertyVal) {
  NS_ENSURE_ARG_POINTER(pendingHdr);
  nsCOMPtr<nsIMdbRow> pendingRow;
  nsresult rv = GetRowForPendingHdr(pendingHdr, getter_AddRefs(pendingRow));
  NS_ENSURE_SUCCESS(rv, rv);
  return SetProperty(pendingRow, property, propertyVal);
}

NS_IMETHODIMP
nsImapMailDatabase::SetUint32AttributeOnPendingHdr(nsIMsgDBHdr* pendingHdr,
                                                   const char* property,
                                                   uint32_t propertyVal) {
  NS_ENSURE_ARG_POINTER(pendingHdr);
  nsCOMPtr<nsIMdbRow> pendingRow;
  nsresult rv = GetRowForPendingHdr(pendingHdr, getter_AddRefs(pendingRow));
  NS_ENSURE_SUCCESS(rv, rv);
  return SetUint32Property(pendingRow, property, propertyVal);
}

NS_IMETHODIMP
nsImapMailDatabase::SetUint64AttributeOnPendingHdr(nsIMsgDBHdr* aPendingHdr,
                                                   const char* aProperty,
                                                   uint64_t aPropertyVal) {
  NS_ENSURE_ARG_POINTER(aPendingHdr);
  nsCOMPtr<nsIMdbRow> pendingRow;
  nsresult rv = GetRowForPendingHdr(aPendingHdr, getter_AddRefs(pendingRow));
  NS_ENSURE_SUCCESS(rv, rv);
  return SetUint64Property(pendingRow, aProperty, aPropertyVal);
}