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CalendarDataStorage: Removed unused code and duplicate includes
[xestiacalendar/.git] / source / libraries / CalendarDataStorage / CalendarDataStorage.cpp
index f516df8..831f725 100644 (file)
@@ -1,6 +1,24 @@
+// CalendarDataStorage.cpp - CalendarDataStorage class
+//
+// (c) 2016-2017 Xestia Software Development.
+//
+// This file is part of Xestia Calendar.
+//
+// Xestia Calendar is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by the
+// Free Software Foundation, version 3 of the license.
+//
+// Xestia Calendar 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. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with Xestia Calendar. If not, see <http://www.gnu.org/licenses/>
+
 #include "CalendarDataStorage.h"
 
 #include "CalendarDataStorage.h"
 
-#include <iostream>
+#define CDS_RANDOMPOW 24
 
 using namespace std;
 
 
 using namespace std;
 
@@ -35,7 +53,8 @@ void CalendarDataStorage::SetupTables(){
        // Setup the accounts table.
        
        const char *accountsTableString;
        // Setup the accounts table.
        
        const char *accountsTableString;
-       accountsTableString = "CREATE TABLE accounts(id INTEGER PRIMARY KEY "
+       accountsTableString = "CREATE TABLE accounts(id INTEGER PRIMARY KEY AUTOINCREMENT"
+               ", preferencesid INTEGER"
                ", name TEXT"
                ");";
        
                ", name TEXT"
                ");";
        
@@ -49,11 +68,12 @@ void CalendarDataStorage::SetupTables(){
        // Setup the calendars table.
        
        const char *calendarTableString;
        // Setup the calendars table.
        
        const char *calendarTableString;
-       calendarTableString = "CREATE TABLE calendars(id INTEGER PRIMARY KEY "
+       calendarTableString = "CREATE TABLE calendars(id INTEGER PRIMARY KEY AUTOINCREMENT"
                ", accountid INTEGER"
                ", name TEXT"
                ", calendarid TEXT"
                ", colour TEXT"
                ", accountid INTEGER"
                ", name TEXT"
                ", calendarid TEXT"
                ", colour TEXT"
+               ", description TEXT"
                ");";
        
        resultCode = sqlite3_exec(db, calendarTableString, callback, nullptr, &setupTablesErrMsg);
                ");";
        
        resultCode = sqlite3_exec(db, calendarTableString, callback, nullptr, &setupTablesErrMsg);
@@ -66,7 +86,7 @@ void CalendarDataStorage::SetupTables(){
        // Setup the calendar entries table.
        
        const char *calendarentriesTableString;
        // Setup the calendar entries table.
        
        const char *calendarentriesTableString;
-       calendarentriesTableString = "CREATE TABLE calendarentries(id INTEGER PRIMARY KEY "
+       calendarentriesTableString = "CREATE TABLE calendarentries(id INTEGER PRIMARY KEY AUTOINCREMENT"
                ", calendarid INTEGER"
                ", entryname TEXT"
                ", entrydescription TEXT"
                ", calendarid INTEGER"
                ", entryname TEXT"
                ", entrydescription TEXT"
@@ -87,6 +107,7 @@ void CalendarDataStorage::SetupTables(){
                ", entrydurationhour INTEGER"
                ", entrydurationminute INTEGER"
                ", entrydurationsecond INTEGER"
                ", entrydurationhour INTEGER"
                ", entrydurationminute INTEGER"
                ", entrydurationsecond INTEGER"
+               ", filename TEXT"
                ");";
        
        resultCode = sqlite3_exec(db, calendarentriesTableString, callback, nullptr, &setupTablesErrMsg);
                ");";
        
        resultCode = sqlite3_exec(db, calendarentriesTableString, callback, nullptr, &setupTablesErrMsg);
@@ -99,8 +120,8 @@ void CalendarDataStorage::SetupTables(){
        // Setup the checksums table.
        
        const char *checksumsTableString;
        // Setup the checksums table.
        
        const char *checksumsTableString;
-       checksumsTableString = "CREATE TABLE checksums(hashname TEXT PRIMARY KEY "
-               ", hashvalue TEXT);";
+       checksumsTableString = "CREATE TABLE checksums(checksumname TEXT PRIMARY KEY "
+               ", checksumvalue TEXT);";
        
        resultCode = sqlite3_exec(db, checksumsTableString, callback, nullptr, &setupTablesErrMsg);
        
        
        resultCode = sqlite3_exec(db, checksumsTableString, callback, nullptr, &setupTablesErrMsg);
        
@@ -109,6 +130,15 @@ void CalendarDataStorage::SetupTables(){
                return;
        }
        
                return;
        }
        
+       // Setup internal checksums.
+       
+       CDSChecksumResult addChecksum = AddChecksum("internal_updatedata", "");
+       
+       if (addChecksum != CDSCHECKSUM_OK){
+               DataStorageInitOK = false;
+               return;
+       }
+       
        DataStorageInitOK = true;
        
 }
        DataStorageInitOK = true;
        
 }
@@ -120,7 +150,7 @@ bool CalendarDataStorage::DidInitOK()
        
 }
 
        
 }
 
-CDSAccountResult CalendarDataStorage::AddAccount(string accountName)
+CDSAccountResult CalendarDataStorage::AddAccount(string accountName, int accountPreferencesID)
 {
        
        CDSAccountResult addResult = CDSACCOUNT_UNITTESTFAIL;
 {
        
        CDSAccountResult addResult = CDSACCOUNT_UNITTESTFAIL;
@@ -128,7 +158,7 @@ CDSAccountResult CalendarDataStorage::AddAccount(string accountName)
        
        sqlite3_stmt *statementHandle;
        
        
        sqlite3_stmt *statementHandle;
        
-       resultCode = sqlite3_prepare_v2(db, "INSERT INTO accounts (name) VALUES(?1);", -1, &statementHandle, nullptr);
+       resultCode = sqlite3_prepare_v2(db, "INSERT INTO accounts (name, preferencesid) VALUES(?1, ?2);", -1, &statementHandle, nullptr);
        
        if (resultCode != 0){
                return CDSACCOUNT_FAILED;
        
        if (resultCode != 0){
                return CDSACCOUNT_FAILED;
@@ -136,6 +166,12 @@ CDSAccountResult CalendarDataStorage::AddAccount(string accountName)
        
        resultCode = sqlite3_bind_text(statementHandle, 1, accountName.c_str(), -1, SQLITE_STATIC);
        
        
        resultCode = sqlite3_bind_text(statementHandle, 1, accountName.c_str(), -1, SQLITE_STATIC);
        
+       if (resultCode != 0){
+               return CDSACCOUNT_FAILED;
+       }
+
+       resultCode = sqlite3_bind_int(statementHandle, 2, accountPreferencesID);
+       
        if (resultCode != 0){
                return CDSACCOUNT_FAILED;
        }
        if (resultCode != 0){
                return CDSACCOUNT_FAILED;
        }
@@ -146,6 +182,10 @@ CDSAccountResult CalendarDataStorage::AddAccount(string accountName)
                return CDSACCOUNT_FAILED;
        }
        
                return CDSACCOUNT_FAILED;
        }
        
+       // Update the checksum.
+       
+       UpdateChecksum("internal_updatedata", to_string(GenerateRandomNumber(CDS_RANDOMPOW)));
+       
        addResult = CDSACCOUNT_OK;
        
        return addResult;
        addResult = CDSACCOUNT_OK;
        
        return addResult;
@@ -163,7 +203,7 @@ CDSAccountList CalendarDataStorage::GetAccountList()
        
        sqlite3_stmt *statementHandle;
        
        
        sqlite3_stmt *statementHandle;
        
-       resultCode = sqlite3_prepare_v2(db, "SELECT id, name from accounts;", -1, &statementHandle, nullptr);
+       resultCode = sqlite3_prepare_v2(db, "SELECT id, name, preferencesid from accounts;", -1, &statementHandle, nullptr);
        
        if (resultCode != 0){
                accountList.getAccountListResult = CDSACCOUNT_FAILED;
        
        if (resultCode != 0){
                accountList.getAccountListResult = CDSACCOUNT_FAILED;
@@ -192,6 +232,7 @@ CDSAccountList CalendarDataStorage::GetAccountList()
                CDSGetAccountInfo accountInfo;
                
                accountInfo.accountID = sqlite3_column_int(statementHandle, 0);
                CDSGetAccountInfo accountInfo;
                
                accountInfo.accountID = sqlite3_column_int(statementHandle, 0);
+               accountInfo.accountPreferencesID = sqlite3_column_int(statementHandle, 2);
                
                stringstream calendarStream;
                
                
                stringstream calendarStream;
                
@@ -221,7 +262,7 @@ CDSGetAccountInfo CalendarDataStorage::GetAccount(string accountName)
        
        sqlite3_stmt *statementHandle;
        
        
        sqlite3_stmt *statementHandle;
        
-       resultCode = sqlite3_prepare_v2(db, "SELECT name, id FROM accounts WHERE name=(?1);", -1, &statementHandle, nullptr);
+       resultCode = sqlite3_prepare_v2(db, "SELECT name, id, preferencesid FROM accounts WHERE name=(?1);", -1, &statementHandle, nullptr);
 
        if (resultCode != 0){
                accountInfo.accountInfoResult = CDSACCOUNT_FAILED;
 
        if (resultCode != 0){
                accountInfo.accountInfoResult = CDSACCOUNT_FAILED;
@@ -252,6 +293,7 @@ CDSGetAccountInfo CalendarDataStorage::GetAccount(string accountName)
                
                accountInfo.accountName = accountNameStream.str();
                accountInfo.accountID = sqlite3_column_int(statementHandle, 1);
                
                accountInfo.accountName = accountNameStream.str();
                accountInfo.accountID = sqlite3_column_int(statementHandle, 1);
+               accountInfo.accountPreferencesID = sqlite3_column_int(statementHandle, 2);
                
                accountInfo.accountInfoResult = CDSACCOUNT_OK;
                return accountInfo;
                
                accountInfo.accountInfoResult = CDSACCOUNT_OK;
                return accountInfo;
@@ -326,6 +368,10 @@ CDSAccountResult CalendarDataStorage::UpdateAccount(int accountID, string accoun
                return CDSACCOUNT_FAILED;
        }
        
                return CDSACCOUNT_FAILED;
        }
        
+       // Update the checksum.
+       
+       UpdateChecksum("internal_updatedata", to_string(GenerateRandomNumber(CDS_RANDOMPOW)));
+       
        updateResult = CDSACCOUNT_OK;
        
        return updateResult;
        updateResult = CDSACCOUNT_OK;
        
        return updateResult;
@@ -420,6 +466,10 @@ CDSAccountResult CalendarDataStorage::DeleteAccount(int accountID)
                
        }
        
                
        }
        
+       // Update the checksum.
+       
+       UpdateChecksum("internal_updatedata", to_string(GenerateRandomNumber(CDS_RANDOMPOW)));
+       
        deleteResult = CDSACCOUNT_OK;
        
        return deleteResult;
        deleteResult = CDSACCOUNT_OK;
        
        return deleteResult;
@@ -427,7 +477,7 @@ CDSAccountResult CalendarDataStorage::DeleteAccount(int accountID)
        
 }
 
        
 }
 
-CDSCalendarResult CalendarDataStorage::AddCalendar(int accountID, string calendarName, string calendarID, Colour calendarColour)
+CDSCalendarResult CalendarDataStorage::AddCalendar(int accountID, string calendarName, string calendarID, Colour calendarColour, string calendarDescription)
 {
 
        CDSCalendarResult addResult = CDSCALENDAR_UNITTESTFAIL;
 {
 
        CDSCalendarResult addResult = CDSCALENDAR_UNITTESTFAIL;
@@ -435,7 +485,7 @@ CDSCalendarResult CalendarDataStorage::AddCalendar(int accountID, string calenda
        
        sqlite3_stmt *statementHandle;
        
        
        sqlite3_stmt *statementHandle;
        
-       resultCode = sqlite3_prepare_v2(db, "INSERT INTO calendars (name, calendarid, accountid, colour) VALUES(?1, ?2, ?3, ?4);", -1, &statementHandle, nullptr);
+       resultCode = sqlite3_prepare_v2(db, "INSERT INTO calendars (name, calendarid, accountid, colour, description) VALUES(?1, ?2, ?3, ?4, ?5);", -1, &statementHandle, nullptr);
        
        if (resultCode != 0){
                return CDSCALENDAR_FAILED;
        
        if (resultCode != 0){
                return CDSCALENDAR_FAILED;
@@ -461,6 +511,12 @@ CDSCalendarResult CalendarDataStorage::AddCalendar(int accountID, string calenda
        
        resultCode = sqlite3_bind_text(statementHandle, 4, ((string)calendarColour).c_str(), -1, SQLITE_STATIC);
 
        
        resultCode = sqlite3_bind_text(statementHandle, 4, ((string)calendarColour).c_str(), -1, SQLITE_STATIC);
 
+       if (resultCode != 0){
+               return CDSCALENDAR_FAILED;
+       }
+
+       resultCode = sqlite3_bind_text(statementHandle, 5, calendarDescription.c_str(), -1, SQLITE_STATIC);
+
        if (resultCode != 0){
                return CDSCALENDAR_FAILED;
        }
        if (resultCode != 0){
                return CDSCALENDAR_FAILED;
        }
@@ -471,6 +527,10 @@ CDSCalendarResult CalendarDataStorage::AddCalendar(int accountID, string calenda
                return CDSCALENDAR_FAILED;
        }
        
                return CDSCALENDAR_FAILED;
        }
        
+       // Update the checksum.
+       
+       UpdateChecksum("internal_updatedata", to_string(GenerateRandomNumber(CDS_RANDOMPOW)));
+       
        addResult = CDSCALENDAR_OK;
        
        return addResult;
        addResult = CDSCALENDAR_OK;
        
        return addResult;
@@ -508,7 +568,7 @@ CDSGetCalendarInfo CalendarDataStorage::GetCalendar(std::string accountName, std
        
        // Check if the calendar exists.
        
        
        // Check if the calendar exists.
        
-       resultCode = sqlite3_prepare_v2(db, "SELECT id, accountid, name, calendarid, colour FROM calendars WHERE accountid=(?1) AND calendarid=(?2);", -1, &statementHandle, nullptr);
+       resultCode = sqlite3_prepare_v2(db, "SELECT id, accountid, name, calendarid, colour, description FROM calendars WHERE accountid=(?1) AND calendarid=(?2);", -1, &statementHandle, nullptr);
        
        if (resultCode != 0){
                calendarResult.calendarInfoResult = CDSCALENDAR_FAILED;
        
        if (resultCode != 0){
                calendarResult.calendarInfoResult = CDSCALENDAR_FAILED;
@@ -553,8 +613,112 @@ CDSGetCalendarInfo CalendarDataStorage::GetCalendar(std::string accountName, std
                calendarStream << sqlite3_column_text(statementHandle, 4);
                calendarResult.calendarColour = calendarStream.str();
                
                calendarStream << sqlite3_column_text(statementHandle, 4);
                calendarResult.calendarColour = calendarStream.str();
                
+               calendarStream.str("");
+               calendarStream << sqlite3_column_text(statementHandle, 5);
+               calendarResult.calendarDescription = calendarStream.str();
+               
+               calendarResult.calendarID = sqlite3_column_int(statementHandle, 0);
+               calendarResult.accountID = sqlite3_column_int(statementHandle, 1);
+               calendarResult.calendarInfoResult = CDSCALENDAR_OK;
+               return calendarResult;
+               
+       } else {
+               
+               calendarResult.calendarInfoResult = CDSCALENDAR_FAILED;
+               return calendarResult;
+               
+       }
+       
+       return calendarResult;
+       
+}
+
+CDSGetCalendarInfo CalendarDataStorage::GetCalendar(int calendarID)
+{
+       
+       CDSGetCalendarInfo calendarResult;
+       sqlite3_stmt *statementHandle;
+       sqlite3_stmt *accountHandle;
+       int resultCode;
+       
+       // Check if the calendar exists.
+       
+       resultCode = sqlite3_prepare_v2(db, "SELECT id, accountid, name, calendarid, colour, description FROM calendars WHERE id=(?1);", -1, &statementHandle, nullptr);
+       
+       if (resultCode != 0){
+               calendarResult.calendarInfoResult = CDSCALENDAR_FAILED;
+               return calendarResult;
+       }
+
+       resultCode = sqlite3_bind_int(statementHandle, 1, calendarID);
+       
+       if (resultCode != 0){
+               calendarResult.calendarInfoResult = CDSCALENDAR_FAILED;
+               return calendarResult;
+       }
+       
+       resultCode = sqlite3_step(statementHandle);
+       
+       if (resultCode == SQLITE_DONE){
+               
+               calendarResult.calendarInfoResult = CDSCALENDAR_NOCALENDAR;
+               return calendarResult;
+               
+       } else if (resultCode == SQLITE_ROW){
+               
+               // Get the calendar data.
+               
+               stringstream calendarStream;
+               
+               calendarStream << sqlite3_column_text(statementHandle, 2);
+               calendarResult.calendarName = calendarStream.str();
+               
+               calendarStream.str("");
+               calendarStream << sqlite3_column_text(statementHandle, 3);
+               calendarResult.calendarTextID = calendarStream.str();
+
+               calendarStream.str("");
+               calendarStream << sqlite3_column_text(statementHandle, 4);
+               calendarResult.calendarColour = calendarStream.str();
+
+               calendarStream.str("");
+               calendarStream << sqlite3_column_text(statementHandle, 5);
+               calendarResult.calendarDescription = calendarStream.str();
+               
                calendarResult.calendarID = sqlite3_column_int(statementHandle, 0);
                calendarResult.accountID = sqlite3_column_int(statementHandle, 1);
                calendarResult.calendarID = sqlite3_column_int(statementHandle, 0);
                calendarResult.accountID = sqlite3_column_int(statementHandle, 1);
+               
+               // Get the account name.
+               
+               resultCode = sqlite3_prepare_v2(db, "SELECT name FROM accounts WHERE id=(?1);", -1, &accountHandle, nullptr);
+       
+               if (resultCode != 0){
+                       calendarResult.calendarInfoResult = CDSCALENDAR_FAILED;
+                       return calendarResult;
+               }
+
+               resultCode = sqlite3_bind_int(accountHandle, 1, calendarResult.accountID);
+       
+               if (resultCode != 0){
+                       calendarResult.calendarInfoResult = CDSCALENDAR_FAILED;
+                       return calendarResult;
+               }
+       
+               resultCode = sqlite3_step(accountHandle);
+               
+               if (resultCode == SQLITE_ROW){
+                       
+                       stringstream accountStream;
+                       accountStream << sqlite3_column_text(accountHandle, 0);
+                       calendarResult.accountName = accountStream.str();
+                       calendarResult.accountInfoResult = CDSACCOUNT_OK;
+                       
+               } else {
+
+                       calendarResult.accountInfoResult = CDSACCOUNT_FAILED;
+                       
+               }
+               
                calendarResult.calendarInfoResult = CDSCALENDAR_OK;
                return calendarResult;
                
                calendarResult.calendarInfoResult = CDSCALENDAR_OK;
                return calendarResult;
                
@@ -569,7 +733,8 @@ CDSGetCalendarInfo CalendarDataStorage::GetCalendar(std::string accountName, std
        
 }
 
        
 }
 
-CDSCalendarResult CalendarDataStorage::UpdateCalendar(int calendarID, string calendarName)
+
+CDSCalendarResult CalendarDataStorage::UpdateCalendar(int calendarID, string calendarName, Colour calendarColour, std::string calendarDescription)
 {
        
        CDSCalendarResult updateResult = CDSCALENDAR_UNITTESTFAIL;
 {
        
        CDSCalendarResult updateResult = CDSCALENDAR_UNITTESTFAIL;
@@ -604,7 +769,7 @@ CDSCalendarResult CalendarDataStorage::UpdateCalendar(int calendarID, string cal
        
        // Update the account.
        
        
        // Update the account.
        
-       resultCode = sqlite3_prepare_v2(db, "UPDATE calendars SET name=(?1) WHERE id=(?2);", -1, &statementHandle, nullptr);
+       resultCode = sqlite3_prepare_v2(db, "UPDATE calendars SET name=(?1), colour=(?2), description=(?3) WHERE id=(?4);", -1, &statementHandle, nullptr);
        
        if (resultCode != 0){
                return CDSCALENDAR_FAILED;
        
        if (resultCode != 0){
                return CDSCALENDAR_FAILED;
@@ -612,11 +777,23 @@ CDSCalendarResult CalendarDataStorage::UpdateCalendar(int calendarID, string cal
        
        resultCode = sqlite3_bind_text(statementHandle, 1, calendarName.c_str(), -1, SQLITE_STATIC);
        
        
        resultCode = sqlite3_bind_text(statementHandle, 1, calendarName.c_str(), -1, SQLITE_STATIC);
        
+       if (resultCode != 0){
+               return CDSCALENDAR_FAILED;
+       }
+
+       resultCode = sqlite3_bind_text(statementHandle, 2, string(calendarColour).c_str(), -1, SQLITE_STATIC);
+       
+       if (resultCode != 0){
+               return CDSCALENDAR_FAILED;
+       }
+
+       resultCode = sqlite3_bind_text(statementHandle, 3, calendarDescription.c_str(), -1, SQLITE_STATIC);
+       
        if (resultCode != 0){
                return CDSCALENDAR_FAILED;
        }
        
        if (resultCode != 0){
                return CDSCALENDAR_FAILED;
        }
        
-       resultCode = sqlite3_bind_int(statementHandle, 2, calendarID);
+       resultCode = sqlite3_bind_int(statementHandle, 4, calendarID);
        
        if (resultCode != 0){
                return CDSCALENDAR_FAILED;
        
        if (resultCode != 0){
                return CDSCALENDAR_FAILED;
@@ -628,6 +805,10 @@ CDSCalendarResult CalendarDataStorage::UpdateCalendar(int calendarID, string cal
                return CDSCALENDAR_FAILED;
        }
        
                return CDSCALENDAR_FAILED;
        }
        
+       // Update the checksum.
+       
+       UpdateChecksum("internal_updatedata", to_string(GenerateRandomNumber(CDS_RANDOMPOW)));
+       
        updateResult = CDSCALENDAR_OK;
        
        return updateResult;
        updateResult = CDSCALENDAR_OK;
        
        return updateResult;
@@ -710,6 +891,10 @@ CDSCalendarResult CalendarDataStorage::DeleteCalendar(int calendarID)
                return CDSCALENDAR_FAILED;
        }
        
                return CDSCALENDAR_FAILED;
        }
        
+       // Update the checksum.
+       
+       UpdateChecksum("internal_updatedata", to_string(GenerateRandomNumber(CDS_RANDOMPOW)));
+       
        return deleteResult;
        
 }
        return deleteResult;
        
 }
@@ -1055,9 +1240,10 @@ CDSAddEntryResult CalendarDataStorage::AddEvent(int calendarID, std::string file
        std::string sqlParameter = "INSERT INTO calendarentries (calendarid, entryname, entrydescription,"
        " entrystartyear, entrystartmonth, entrystartday, entrystarthour, entrystartminute, entrystartsecond,"
        " entryendyear, entryendmonth, entryendday, entryendhour, entryendminute, entryendsecond, "
        std::string sqlParameter = "INSERT INTO calendarentries (calendarid, entryname, entrydescription,"
        " entrystartyear, entrystartmonth, entrystartday, entrystarthour, entrystartminute, entrystartsecond,"
        " entryendyear, entryendmonth, entryendday, entryendhour, entryendminute, entryendsecond, "
-       " entrydurationweek, entrydurationday, entrydurationhour, entrydurationminute, entrydurationsecond)"
+       " entrydurationweek, entrydurationday, entrydurationhour, entrydurationminute, entrydurationsecond, "
+       " filename)"
        " VALUES ((?1), (?2), (?3), (?4), (?5), (?6), (?7), (?8), (?9), (?10), "
        " VALUES ((?1), (?2), (?3), (?4), (?5), (?6), (?7), (?8), (?9), (?10), "
-       " (?11), (?12), (?13), (?14), (?15), (?16), (?17), (?18), (?19), (?20))";
+       " (?11), (?12), (?13), (?14), (?15), (?16), (?17), (?18), (?19), (?20), (?21))";
        
        resultCode = sqlite3_prepare_v2(db, sqlParameter.c_str(), -1, &statementHandle, nullptr);
 
        
        resultCode = sqlite3_prepare_v2(db, sqlParameter.c_str(), -1, &statementHandle, nullptr);
 
@@ -1219,6 +1405,13 @@ CDSAddEntryResult CalendarDataStorage::AddEvent(int calendarID, std::string file
                return addResult;
        }
        
                return addResult;
        }
        
+       resultCode = sqlite3_bind_text(statementHandle, 21, filename.c_str(), -1, SQLITE_STATIC);
+       
+       if (resultCode != 0){
+               addResult.addEventResult = CDSENTRY_FAILED;
+               return addResult;
+       }
+       
        resultCode = sqlite3_step(statementHandle);
        
        if (resultCode != SQLITE_DONE){
        resultCode = sqlite3_step(statementHandle);
        
        if (resultCode != SQLITE_DONE){
@@ -1229,34 +1422,62 @@ CDSAddEntryResult CalendarDataStorage::AddEvent(int calendarID, std::string file
        addResult.calendarEntryID = sqlite3_last_insert_rowid(db);
        addResult.addEventResult = CDSENTRY_OK;
        
        addResult.calendarEntryID = sqlite3_last_insert_rowid(db);
        addResult.addEventResult = CDSENTRY_OK;
        
+       // Update the checksum.
+       
+       UpdateChecksum("internal_updatedata", to_string(GenerateRandomNumber(CDS_RANDOMPOW)));
+       
        return addResult;
        
 }
 
        return addResult;
        
 }
 
-CDSGetCalendarEntryInfo CalendarDataStorage::GetEvent(int calendarEntryID)
+CDSEditEntryResult CalendarDataStorage::UpdateEvent(int eventID, std::string filename)
 {
        
 {
        
-       CDSGetCalendarEntryInfo entryResult;
+       CDSEditEntryResult editResult;
+       editResult.editEventResult = CDSENTRY_UNITTESTFAIL;
        
        
-       // Check if the calendar entry exists.
+       // Load the event file.
+       
+       CalendarEventObject eventData;
+       CalendarObjectLoadResult eventLoadResult = eventData.LoadFile(filename);
+       
+       // Check the result of the event file load.
+       
+       switch (eventLoadResult){
+               
+               case CALENDAROBJECTLOAD_OK:
+                       break;
+               case CALENDAROBJECTLOAD_MISSING:
+                       editResult.editEventResult = CDSENTRY_MISSINGFILE;
+                       return editResult;
+               case CALENDAROBJECTLOAD_INVALIDFORMAT:
+                       editResult.editEventResult = CDSENTRY_INVALIDFILE;
+                       return editResult;
+               case CALENDAROBJECTLOAD_CANNOTOPEN:
+                       editResult.editEventResult = CDSENTRY_CANNOTOPENFILE;
+                       return editResult;
+               
+       }
+       
+       // Check if event exists first.
        
        int resultCode;
        
        sqlite3_stmt *findHandle;
        sqlite3_stmt *statementHandle;
        
        
        int resultCode;
        
        sqlite3_stmt *findHandle;
        sqlite3_stmt *statementHandle;
        
-       resultCode = sqlite3_prepare_v2(db, "SELECT id FROM calendarentries WHERE id=(?1);", -1, &findHandle, nullptr);
+       resultCode = sqlite3_prepare_v2(db, "SELECT id from calendarentries WHERE id=(?1);", -1, &findHandle, nullptr);
        
        if (resultCode != 0){
        
        if (resultCode != 0){
-               entryResult.getEventResult = CDSENTRY_FAILED;
-               return entryResult;
+               editResult.editEventResult = CDSENTRY_FAILED;
+               return editResult;
        }
        
        }
        
-       resultCode = sqlite3_bind_int(findHandle, 1, calendarEntryID);
+       resultCode = sqlite3_bind_int(findHandle, 1, eventID);
        
        if (resultCode != 0){
        
        if (resultCode != 0){
-               entryResult.getEventResult = CDSENTRY_FAILED;
-               return entryResult;
+               editResult.editEventResult = CDSENTRY_FAILED;
+               return editResult;
        }
        
        resultCode = sqlite3_step(findHandle);
        }
        
        resultCode = sqlite3_step(findHandle);
@@ -1264,91 +1485,599 @@ CDSGetCalendarEntryInfo CalendarDataStorage::GetEvent(int calendarEntryID)
        if (resultCode == SQLITE_ROW){
                
        } else if (resultCode == SQLITE_DONE) {
        if (resultCode == SQLITE_ROW){
                
        } else if (resultCode == SQLITE_DONE) {
-               entryResult.getEventResult = CDSENTRY_NOENTRY;
-               return entryResult;
+               editResult.editEventResult = CDSENTRY_NOENTRY;
+               return editResult;
        } else {
        } else {
-               entryResult.getEventResult = CDSENTRY_FAILED;
-               return entryResult;
+               editResult.editEventResult = CDSENTRY_FAILED;
+               return editResult;
        }
        
        }
        
-       // Get the calendar entry data.
-       
-       std::string sqlParameter = "SELECT entryname, entrydescription,"
-       " entrystartyear, entrystartmonth, entrystartday, entrystarthour, entrystartminute, entrystartsecond,"
-       " entryendyear, entryendmonth, entryendday, entryendhour, entryendminute, entryendsecond, "
-       " entrydurationweek, entrydurationday, entrydurationhour, entrydurationminute, entrydurationsecond "
-       " FROM calendarentries WHERE id=(?1)";
+       // Get the required values from the event object.
        
        
-       resultCode = sqlite3_prepare_v2(db, sqlParameter.c_str(), -1, &statementHandle, nullptr);
-
-       if (resultCode != 0){
-               entryResult.getEventResult = CDSENTRY_FAILED;
-               return entryResult;
-       }
+       int eventStartYear = 0;
+       int eventStartMonth = 0;
+       int eventStartDay = 0;
+       int eventStartHour = 0;
+       int eventStartMinute = 0;
+       int eventStartSecond = 0;
+       int eventStartDuration = 0;
+       std::string eventString = "";
        
        
-       resultCode = sqlite3_bind_int(statementHandle, 1, calendarEntryID);
+       // Start Date.
        
        
-       if (resultCode != 0){
-               entryResult.getEventResult = CDSENTRY_FAILED;
-               return entryResult;
+       if (eventData.DateTimeStartData.size() < 16){
+               
+               editResult.editEventResult = CDSENTRY_INVALIDFILE;
+               return editResult;
+               
        }
        
        }
        
-       resultCode = sqlite3_step(statementHandle);
+       eventString = eventData.DateTimeStartData.substr(0,4);
        
        
-       if (resultCode == SQLITE_ROW){
-               
-               // Get the calendar entry name,
-               
-               stringstream entryStream;
+       if (all_of(eventString.begin(), eventString.end(), ::isdigit)){
                
                
-               entryStream << sqlite3_column_text(statementHandle, 0);
-               entryResult.entryName = entryStream.str();
+               eventStartYear = atoi(eventString.c_str());
                
                
-               entryStream.str("");
+       } else {
                
                
-               // Get the calendar entry description.
+               editResult.editEventResult = CDSENTRY_INVALIDFILE;
+               return editResult;
                
                
-               entryStream << sqlite3_column_text(statementHandle, 1);
-               entryResult.entryDescription = entryStream.str();               
+       }
 
 
-               entryStream.str("");
+       eventString = eventData.DateTimeStartData.substr(4,2);
+       
+       if (all_of(eventString.begin(), eventString.end(), ::isdigit)){
                
                
-               entryResult.entryStartYear = sqlite3_column_int(statementHandle, 2);
-               entryResult.entryStartMonth = sqlite3_column_int(statementHandle, 3);
-               entryResult.entryStartDay = sqlite3_column_int(statementHandle, 4);
-               entryResult.entryStartHour = sqlite3_column_int(statementHandle, 5);
-               entryResult.entryStartMinute = sqlite3_column_int(statementHandle, 6);
-               entryResult.entryStartSecond = sqlite3_column_int(statementHandle, 7);
-               entryResult.entryEndYear = sqlite3_column_int(statementHandle, 8);
-               entryResult.entryEndMonth = sqlite3_column_int(statementHandle, 9);
-               entryResult.entryEndDay = sqlite3_column_int(statementHandle, 10);
-               entryResult.entryEndHour = sqlite3_column_int(statementHandle, 11);             
-               entryResult.entryEndMinute = sqlite3_column_int(statementHandle, 12);
-               entryResult.entryEndSecond = sqlite3_column_int(statementHandle, 13);
-               entryResult.entryDurationWeeks = sqlite3_column_int(statementHandle, 14);
-               entryResult.entryDurationDays = sqlite3_column_int(statementHandle, 15);
-               entryResult.entryDurationHours = sqlite3_column_int(statementHandle, 16);
-               entryResult.entryDurationMinutes = sqlite3_column_int(statementHandle, 17);
-               entryResult.entryDurationSeconds = sqlite3_column_int(statementHandle, 18);
+               eventStartMonth = atoi(eventString.c_str());
                
                
-       } else if (resultCode == SQLITE_DONE) {
-               entryResult.getEventResult = CDSENTRY_NOCALENDAR;
-               return entryResult;
        } else {
        } else {
-               entryResult.getEventResult = CDSENTRY_FAILED;
-               return entryResult;
+               
+               editResult.editEventResult = CDSENTRY_INVALIDFILE;
+               return editResult;
+               
        }
        
        }
        
-       entryResult.getEventResult = CDSENTRY_OK;
-       
-       return entryResult;
+       eventString = eventData.DateTimeStartData.substr(6,2);
        
        
-}
+       if (all_of(eventString.begin(), eventString.end(), ::isdigit)){
+               
+               eventStartDay = atoi(eventString.c_str());
+               
+       } else {
+               
+               editResult.editEventResult = CDSENTRY_INVALIDFILE;
+               return editResult;
+               
+       }
 
 
-CDSEntryResult CalendarDataStorage::DeleteEvent(int calendarEntryID)
-{
+       eventString = eventData.DateTimeStartData.substr(9,2);
        
        
-       CDSEntryResult deleteResult = CDSENTRY_UNITTESTFAIL;
+       if (all_of(eventString.begin(), eventString.end(), ::isdigit)){
+               
+               eventStartHour = atoi(eventString.c_str());
+               
+       } else {
+               
+               editResult.editEventResult = CDSENTRY_INVALIDFILE;
+               return editResult;
+               
+       }
+       
+       eventString = eventData.DateTimeStartData.substr(11,2);
+       
+       if (all_of(eventString.begin(), eventString.end(), ::isdigit)){
+               
+               eventStartMinute = atoi(eventString.c_str());
+               
+       } else {
+               
+               editResult.editEventResult = CDSENTRY_INVALIDFILE;
+               return editResult;
+               
+       }
+       
+       eventString = eventData.DateTimeStartData.substr(13,2);
+       
+       if (all_of(eventString.begin(), eventString.end(), ::isdigit)){
+               
+               eventStartSecond = atoi(eventString.c_str());
+               
+       } else {
+               
+               editResult.editEventResult = CDSENTRY_INVALIDFILE;
+               return editResult;
+               
+       }
+       
+       //eventYear = eventStartDate.substr(0, 4);
+       
+       // End Date.
+       
+       int eventEndYear = 0;
+       int eventEndMonth = 0;
+       int eventEndDay = 0;
+       int eventEndHour = 0;
+       int eventEndMinute = 0;
+       int eventEndSecond = 0;
+       int eventEndDuration = 0;
+       
+       if (eventData.DateTimeEndData != ""){
+       
+               if (eventData.DateTimeEndData.size() < 16){
+               
+                       editResult.editEventResult = CDSENTRY_INVALIDFILE;
+                       return editResult;
+               
+               }
+       
+               eventString = eventData.DateTimeEndData.substr(0,4);
+       
+               if (all_of(eventString.begin(), eventString.end(), ::isdigit)){
+               
+                       eventEndYear = atoi(eventString.c_str());
+               
+               } else {
+               
+                       editResult.editEventResult = CDSENTRY_INVALIDFILE;
+                       return editResult;
+               
+               }
+
+               eventString = eventData.DateTimeEndData.substr(4,2);
+       
+               if (all_of(eventString.begin(), eventString.end(), ::isdigit)){
+               
+                       eventEndMonth = atoi(eventString.c_str());
+               
+               } else {
+               
+                       editResult.editEventResult = CDSENTRY_INVALIDFILE;
+                       return editResult;
+               
+               }
+       
+               eventString = eventData.DateTimeEndData.substr(6,2);
+       
+               if (all_of(eventString.begin(), eventString.end(), ::isdigit)){
+               
+                       eventEndDay = atoi(eventString.c_str());
+               
+               } else {
+               
+                       editResult.editEventResult = CDSENTRY_INVALIDFILE;
+                       return editResult;
+               
+               }
+
+               eventString = eventData.DateTimeEndData.substr(9,2);
+       
+               if (all_of(eventString.begin(), eventString.end(), ::isdigit)){
+               
+                       eventEndHour = atoi(eventString.c_str());
+               
+               } else {
+               
+                       editResult.editEventResult = CDSENTRY_INVALIDFILE;
+                       return editResult;
+               
+               }
+       
+               eventString = eventData.DateTimeEndData.substr(11,2);
+       
+               if (all_of(eventString.begin(), eventString.end(), ::isdigit)){
+               
+                       eventEndMinute = atoi(eventString.c_str());
+               
+               } else {
+               
+                       editResult.editEventResult = CDSENTRY_INVALIDFILE;
+                       return editResult;
+               
+               }
+       
+               eventString = eventData.DateTimeEndData.substr(13,2);
+       
+               if (all_of(eventString.begin(), eventString.end(), ::isdigit)){
+               
+                       eventEndSecond = atoi(eventString.c_str());
+               
+               } else {
+               
+                       editResult.editEventResult = CDSENTRY_INVALIDFILE;
+                       return editResult;
+               
+               }
+               
+       }
+
+       eventString = eventData.DurationData;
+       
+       // Process the duration data.
+       
+       int eventDurationWeeks = 0;
+       int eventDurationDays = 0;
+       int eventDurationHours = 0;
+       int eventDurationMinutes = 0;
+       int eventDurationSeconds = 0;
+       
+       // Get the duration (if DTEND hasn't been specified).
+       
+       if (eventData.DurationData.size() > 0){
+               
+               bool FoundP = false;
+               bool FoundW = false;
+               bool DateTimeMode = false;
+               
+               std::string::iterator eventDataChar = eventData.DurationData.begin();
+               std::string currentValue = "";
+               
+               if (*eventDataChar != 'P'){
+                       
+                       eventDataChar = eventData.DurationData.end();
+                       
+               }
+               
+               for(eventDataChar; eventDataChar != eventData.DurationData.end(); eventDataChar++){
+                       
+                       // Check if value is a digit.
+                       
+                       if (isdigit(*eventDataChar)){
+                               
+                               currentValue += *eventDataChar;
+                               
+                       } else {
+                               
+                               // Check that the value matches one of the letters.
+                               
+                               if (*eventDataChar == 'W' && DateTimeMode == false){
+                               
+                                       eventDurationWeeks = atoi(currentValue.c_str());
+                                       
+                               } else if (*eventDataChar == 'D' && DateTimeMode == false){
+
+                                       eventDurationDays = atoi(currentValue.c_str());
+                                       
+                               } else if (*eventDataChar == 'T' && DateTimeMode == false){
+                                       
+                                       DateTimeMode = true;
+                                       
+                               } else if (*eventDataChar == 'H'){
+
+                                       eventDurationHours = atoi(currentValue.c_str());
+                                       
+                               } else if (*eventDataChar == 'M'){
+                                       
+                                       eventDurationMinutes = atoi(currentValue.c_str());
+                                       
+                               } else if (*eventDataChar == 'S'){
+                               
+                                       eventDurationSeconds = atoi(currentValue.c_str());
+                                       
+                               }
+                                       
+                               // Reset the current value.
+                               
+                               currentValue = "";
+                               
+                       }
+                       
+               }
+               
+       }
+       
+       // Add the calendar entry.
+       
+       std::string sqlParameter = "UPDATE calendarentries SET entryname=(?2), entrydescription=(?3),"
+       " entrystartyear=(?4), entrystartmonth=(?5), entrystartday=(?6), entrystarthour=(?7), entrystartminute=(?8), entrystartsecond=(?9),"
+       " entryendyear=(?10), entryendmonth=(?11), entryendday=(?12), entryendhour=(?13), entryendminute=(?14), entryendsecond=(?15), "
+       " entrydurationweek=(?16), entrydurationday=(?17), entrydurationhour=(?18), entrydurationminute=(?19), entrydurationsecond=(?20), "
+       " WHERE id=(?1)";
+       
+       resultCode = sqlite3_prepare_v2(db, sqlParameter.c_str(), -1, &statementHandle, nullptr);
+
+       resultCode = sqlite3_bind_int(statementHandle, 1, eventID);
+       
+       if (resultCode != 0){
+               editResult.editEventResult = CDSENTRY_FAILED;
+               return editResult;
+       }
+       
+       // Process Entry Name.
+       
+       resultCode = sqlite3_bind_text(statementHandle, 2, eventData.SummaryData.c_str(), -1, SQLITE_STATIC);
+       
+       if (resultCode != 0){
+               editResult.editEventResult = CDSENTRY_FAILED;
+               return editResult;
+       }
+       
+       // Process Entry Description.
+       
+       string eventDescription;
+       
+       try {
+               eventDescription = eventData.DescriptionList.at(0);
+       }
+       
+       catch (out_of_range &err){
+               eventDescription = "";
+       }
+       
+       resultCode = sqlite3_bind_text(statementHandle, 3, eventDescription.c_str(), -1, SQLITE_STATIC);
+       
+       if (resultCode != 0){
+               editResult.editEventResult = CDSENTRY_FAILED;
+               return editResult;
+       }
+       
+       // Process Entry Start Date information.
+       
+       resultCode = sqlite3_bind_int(statementHandle, 4, eventStartYear);
+       
+       if (resultCode != 0){
+               editResult.editEventResult = CDSENTRY_FAILED;
+               return editResult;
+       }
+
+       resultCode = sqlite3_bind_int(statementHandle, 5, eventStartMonth);
+       
+       if (resultCode != 0){
+               editResult.editEventResult = CDSENTRY_FAILED;
+               return editResult;
+       }
+
+       resultCode = sqlite3_bind_int(statementHandle, 6, eventStartDay);
+       
+       if (resultCode != 0){
+               editResult.editEventResult = CDSENTRY_FAILED;
+               return editResult;
+       }
+
+       resultCode = sqlite3_bind_int(statementHandle, 7, eventStartHour);
+       
+       if (resultCode != 0){
+               editResult.editEventResult = CDSENTRY_FAILED;
+               return editResult;
+       }
+
+       resultCode = sqlite3_bind_int(statementHandle, 8, eventStartMinute);
+       
+       if (resultCode != 0){
+               editResult.editEventResult = CDSENTRY_FAILED;
+               return editResult;
+       }
+       
+       resultCode = sqlite3_bind_int(statementHandle, 9, eventStartSecond);
+       
+       if (resultCode != 0){
+               editResult.editEventResult = CDSENTRY_FAILED;
+               return editResult;
+       }
+       
+       // Process Entry Start End information.
+       
+       resultCode = sqlite3_bind_int(statementHandle, 10, eventEndYear);
+       
+       if (resultCode != 0){
+               editResult.editEventResult = CDSENTRY_FAILED;
+               return editResult;
+       }
+
+       resultCode = sqlite3_bind_int(statementHandle, 11, eventEndMonth);
+       
+       if (resultCode != 0){
+               editResult.editEventResult = CDSENTRY_FAILED;
+               return editResult;
+       }
+
+       resultCode = sqlite3_bind_int(statementHandle, 12, eventEndDay);
+       
+       if (resultCode != 0){
+               editResult.editEventResult = CDSENTRY_FAILED;
+               return editResult;
+       }
+
+       resultCode = sqlite3_bind_int(statementHandle, 13, eventEndHour);
+       
+       if (resultCode != 0){
+               editResult.editEventResult = CDSENTRY_FAILED;
+               return editResult;
+       }
+
+       resultCode = sqlite3_bind_int(statementHandle, 14, eventEndMinute);
+       
+       if (resultCode != 0){
+               editResult.editEventResult = CDSENTRY_FAILED;
+               return editResult;
+       }
+       
+       resultCode = sqlite3_bind_int(statementHandle, 15, eventEndSecond);
+       
+       if (resultCode != 0){
+               editResult.editEventResult = CDSENTRY_FAILED;
+               return editResult;
+       }
+       
+       resultCode = sqlite3_bind_int(statementHandle, 16, eventDurationWeeks);
+       
+       if (resultCode != 0){
+               editResult.editEventResult = CDSENTRY_FAILED;
+               return editResult;
+       }
+       
+       resultCode = sqlite3_bind_int(statementHandle, 17, eventDurationDays);
+       
+       if (resultCode != 0){
+               editResult.editEventResult = CDSENTRY_FAILED;
+               return editResult;
+       }
+       
+       resultCode = sqlite3_bind_int(statementHandle, 18, eventDurationHours);
+       
+       if (resultCode != 0){
+               editResult.editEventResult = CDSENTRY_FAILED;
+               return editResult;
+       }
+       
+       resultCode = sqlite3_bind_int(statementHandle, 19, eventDurationMinutes);
+       
+       if (resultCode != 0){
+               editResult.editEventResult = CDSENTRY_FAILED;
+               return editResult;
+       }
+       
+       resultCode = sqlite3_bind_int(statementHandle, 20, eventDurationSeconds);
+       
+       if (resultCode != 0){
+               editResult.editEventResult = CDSENTRY_FAILED;
+               return editResult;
+       }
+       
+       resultCode = sqlite3_step(statementHandle);
+       
+       if (resultCode != SQLITE_DONE){
+               editResult.editEventResult = CDSENTRY_FAILED;
+               return editResult;
+       }
+       
+       editResult.calendarEntryID = sqlite3_last_insert_rowid(db);
+       editResult.editEventResult = CDSENTRY_OK;
+       
+       // Update the checksum.
+       
+       UpdateChecksum("internal_updatedata", to_string(GenerateRandomNumber(CDS_RANDOMPOW)));
+       
+       return editResult;
+       
+}
+
+CDSGetCalendarEntryInfo CalendarDataStorage::GetEvent(int calendarEntryID)
+{
+       
+       CDSGetCalendarEntryInfo entryResult;
+       
+       // Check if the calendar entry exists.
+       
+       int resultCode;
+       
+       sqlite3_stmt *findHandle;
+       sqlite3_stmt *statementHandle;
+       
+       resultCode = sqlite3_prepare_v2(db, "SELECT id FROM calendarentries WHERE id=(?1);", -1, &findHandle, nullptr);
+       
+       if (resultCode != 0){
+               entryResult.getEventResult = CDSENTRY_FAILED;
+               return entryResult;
+       }
+       
+       resultCode = sqlite3_bind_int(findHandle, 1, calendarEntryID);
+       
+       if (resultCode != 0){
+               entryResult.getEventResult = CDSENTRY_FAILED;
+               return entryResult;
+       }
+       
+       resultCode = sqlite3_step(findHandle);
+       
+       if (resultCode == SQLITE_ROW){
+               
+       } else if (resultCode == SQLITE_DONE) {
+               entryResult.getEventResult = CDSENTRY_NOENTRY;
+               return entryResult;
+       } else {
+               entryResult.getEventResult = CDSENTRY_FAILED;
+               return entryResult;
+       }
+       
+       // Get the calendar entry data.
+       
+       std::string sqlParameter = "SELECT entryname, entrydescription,"
+       " entrystartyear, entrystartmonth, entrystartday, entrystarthour, entrystartminute, entrystartsecond,"
+       " entryendyear, entryendmonth, entryendday, entryendhour, entryendminute, entryendsecond, "
+       " entrydurationweek, entrydurationday, entrydurationhour, entrydurationminute, entrydurationsecond, "
+       " calendarid, id, filename"
+       " FROM calendarentries WHERE id=(?1)";
+       
+       resultCode = sqlite3_prepare_v2(db, sqlParameter.c_str(), -1, &statementHandle, nullptr);
+
+       if (resultCode != 0){
+               entryResult.getEventResult = CDSENTRY_FAILED;
+               return entryResult;
+       }
+       
+       resultCode = sqlite3_bind_int(statementHandle, 1, calendarEntryID);
+       
+       if (resultCode != 0){
+               entryResult.getEventResult = CDSENTRY_FAILED;
+               return entryResult;
+       }
+       
+       resultCode = sqlite3_step(statementHandle);
+       
+       if (resultCode == SQLITE_ROW){
+               
+               // Get the calendar entry name,
+               
+               stringstream entryStream;
+               
+               entryStream << sqlite3_column_text(statementHandle, 0);
+               entryResult.entryName = entryStream.str();
+               
+               entryStream.str("");
+               
+               // Get the calendar entry description.
+               
+               entryStream << sqlite3_column_text(statementHandle, 1);
+               entryResult.entryDescription = entryStream.str();               
+
+               entryStream.str("");
+               
+               // Get the calendar entry filename.
+               
+               entryStream << sqlite3_column_text(statementHandle, 21);
+               entryResult.entryFilename = entryStream.str();
+
+               entryStream.str("");
+               
+               entryResult.entryStartYear = sqlite3_column_int(statementHandle, 2);
+               entryResult.entryStartMonth = sqlite3_column_int(statementHandle, 3);
+               entryResult.entryStartDay = sqlite3_column_int(statementHandle, 4);
+               entryResult.entryStartHour = sqlite3_column_int(statementHandle, 5);
+               entryResult.entryStartMinute = sqlite3_column_int(statementHandle, 6);
+               entryResult.entryStartSecond = sqlite3_column_int(statementHandle, 7);
+               entryResult.entryEndYear = sqlite3_column_int(statementHandle, 8);
+               entryResult.entryEndMonth = sqlite3_column_int(statementHandle, 9);
+               entryResult.entryEndDay = sqlite3_column_int(statementHandle, 10);
+               entryResult.entryEndHour = sqlite3_column_int(statementHandle, 11);             
+               entryResult.entryEndMinute = sqlite3_column_int(statementHandle, 12);
+               entryResult.entryEndSecond = sqlite3_column_int(statementHandle, 13);
+               entryResult.entryDurationWeeks = sqlite3_column_int(statementHandle, 14);
+               entryResult.entryDurationDays = sqlite3_column_int(statementHandle, 15);
+               entryResult.entryDurationHours = sqlite3_column_int(statementHandle, 16);
+               entryResult.entryDurationMinutes = sqlite3_column_int(statementHandle, 17);
+               entryResult.entryDurationSeconds = sqlite3_column_int(statementHandle, 18);
+               entryResult.calendarID = sqlite3_column_int(statementHandle, 19);
+               entryResult.calendarEntryID = sqlite3_column_int(statementHandle, 20);
+               
+       } else if (resultCode == SQLITE_DONE) {
+               entryResult.getEventResult = CDSENTRY_NOCALENDAR;
+               return entryResult;
+       } else {
+               entryResult.getEventResult = CDSENTRY_FAILED;
+               return entryResult;
+       }
+       
+       entryResult.getEventResult = CDSENTRY_OK;
+       
+       return entryResult;
+       
+}
+
+CDSEntryResult CalendarDataStorage::DeleteEvent(int calendarEntryID)
+{
+       
+       CDSEntryResult deleteResult = CDSENTRY_UNITTESTFAIL;
        
        // Check if the calendar entry exists.
        
        
        // Check if the calendar entry exists.
        
@@ -1401,6 +2130,10 @@ CDSEntryResult CalendarDataStorage::DeleteEvent(int calendarEntryID)
                return CDSENTRY_FAILED;
        }
        
                return CDSENTRY_FAILED;
        }
        
+       // Update the checksum.
+       
+       UpdateChecksum("internal_updatedata", to_string(GenerateRandomNumber(CDS_RANDOMPOW)));
+       
        return deleteResult;    
        
 }
        return deleteResult;    
        
 }
@@ -1483,6 +2216,71 @@ CDSEntryList CalendarDataStorage::GetEventList(int calendarID){
        
 }
 
        
 }
 
+CDSEntryList CalendarDataStorage::GetEventListByDate(int calendarYear, int calendarMonth, int calendarDay){
+       
+       CDSEntryList entryList;
+       entryList.getEventListResult = CDSENTRY_UNITTESTFAIL;
+       
+       // Check if calendar exists first.
+       
+       int resultCode;
+
+       sqlite3_stmt *calendarHandle;
+       
+       // Get the list of entry IDs.
+
+       resultCode = sqlite3_prepare_v2(db, "SELECT id FROM calendarentries WHERE entrystartyear=(?1) AND entrystartmonth=(?2) AND entrystartday=(?3);", -1, &calendarHandle, nullptr);
+       
+       if (resultCode != 0){
+               entryList.getEventListResult = CDSENTRY_FAILED;
+               return entryList;
+       }
+       
+       resultCode = sqlite3_bind_int(calendarHandle, 1, calendarYear);
+       
+       if (resultCode != 0){
+               entryList.getEventListResult = CDSENTRY_FAILED;
+               return entryList;
+       }
+
+       resultCode = sqlite3_bind_int(calendarHandle, 2, calendarMonth);
+       
+       if (resultCode != 0){
+               entryList.getEventListResult = CDSENTRY_FAILED;
+               return entryList;
+       }
+       
+       resultCode = sqlite3_bind_int(calendarHandle, 3, calendarDay);
+       
+       if (resultCode != 0){
+               entryList.getEventListResult = CDSENTRY_FAILED;
+               return entryList;
+       }
+       
+       resultCode = sqlite3_step(calendarHandle);
+       
+       if (resultCode == SQLITE_DONE || resultCode == SQLITE_ROW){
+       } else {
+               entryList.getEventListResult = CDSENTRY_FAILED;
+               return entryList;
+       }
+       
+       while (resultCode == SQLITE_ROW){
+               
+               int calendarID = sqlite3_column_int(calendarHandle, 0);
+               
+               entryList.entryList.push_back(calendarID);
+               
+               resultCode = sqlite3_step(calendarHandle);
+               
+       }       
+       
+       entryList.getEventListResult = CDSENTRY_OK;
+       
+       return entryList;
+       
+}
+
 CDSCalendarList CalendarDataStorage::GetCalendarList(int accountID){
        
        CDSCalendarList calendarList;
 CDSCalendarList CalendarDataStorage::GetCalendarList(int accountID){
        
        CDSCalendarList calendarList;
@@ -1566,4 +2364,272 @@ CDSCalendarList CalendarDataStorage::GetCalendarList(int accountID){
        
        return calendarList;
        
        
        return calendarList;
        
+}
+
+CDSChecksumResult CalendarDataStorage::AddChecksum(string checksumName, string checksumValue){
+       
+       int resultCode;
+       
+       // Check if the checksum already exists.
+       
+       sqlite3_stmt *findHandle;
+       sqlite3_stmt *checksumHandle;
+       
+       resultCode = sqlite3_prepare_v2(db, "SELECT checksumvalue from checksums WHERE checksumname=(?1);", -1, &findHandle, nullptr);
+       
+       if (resultCode != 0){
+               return CDSCHECKSUM_FAILED;
+       }
+       
+       resultCode = sqlite3_bind_text(findHandle, 1, checksumName.c_str(), -1, SQLITE_STATIC);
+       
+       if (resultCode != 0){
+               return CDSCHECKSUM_FAILED;
+       }
+       
+       resultCode = sqlite3_step(findHandle);
+       
+       if (resultCode == SQLITE_ROW){
+               return CDSCHECKSUM_CHECKSUMALREADYEXISTS;
+       } else if (resultCode == SQLITE_DONE) {
+               
+       } else {
+               return CDSCHECKSUM_FAILED;
+       }
+       
+       // Add the checksum to the checksum table.
+       
+       resultCode = sqlite3_prepare_v2(db, "INSERT INTO checksums (checksumname, checksumvalue) VALUES(?1, ?2);", -1, &checksumHandle, nullptr);
+       
+       if (resultCode != 0){
+               return CDSCHECKSUM_FAILED;
+       }
+       
+       resultCode = sqlite3_bind_text(checksumHandle, 1, checksumName.c_str(), -1, SQLITE_STATIC);
+       
+       if (resultCode != 0){
+               return CDSCHECKSUM_FAILED;
+       }
+       
+       resultCode = sqlite3_bind_text(checksumHandle, 2, checksumValue.c_str(), -1, SQLITE_STATIC);
+       
+       if (resultCode != 0){
+               return CDSCHECKSUM_FAILED;
+       }
+       
+       resultCode = sqlite3_step(checksumHandle);
+       
+       if (resultCode != SQLITE_DONE){
+               return CDSCHECKSUM_FAILED;
+       }       
+       
+       return CDSCHECKSUM_OK;
+       
+}
+
+CDSGetChecksumResult CalendarDataStorage::GetChecksum(string checksumName){
+       
+       CDSGetChecksumResult getChecksumResult;
+       
+       int resultCode;
+       
+       // Check if the checksum already exists.
+       
+       sqlite3_stmt *getHandle;
+       
+       resultCode = sqlite3_prepare_v2(db, "SELECT checksumvalue from checksums WHERE checksumname=(?1);", -1, &getHandle, nullptr);
+       
+       if (resultCode != 0){
+               getChecksumResult.getChecksumResult = CDSCHECKSUM_FAILED;
+               return getChecksumResult;
+       }
+       
+       resultCode = sqlite3_bind_text(getHandle, 1, checksumName.c_str(), -1, SQLITE_STATIC);
+       
+       if (resultCode != 0){
+               getChecksumResult.getChecksumResult = CDSCHECKSUM_FAILED;
+               return getChecksumResult;
+       }
+       
+       resultCode = sqlite3_step(getHandle);
+       
+       if (resultCode == SQLITE_ROW){
+       } else if (resultCode == SQLITE_DONE) {
+               getChecksumResult.getChecksumResult = CDSCHECKSUM_NOHASH;
+               return getChecksumResult;
+       } else {
+               getChecksumResult.getChecksumResult = CDSCHECKSUM_FAILED;
+               return getChecksumResult;
+       }
+       
+       stringstream checksumStream;
+               
+       checksumStream << sqlite3_column_text(getHandle, 0);
+               
+       getChecksumResult.checksumValue = checksumStream.str();
+       
+       getChecksumResult.getChecksumResult = CDSCHECKSUM_OK;
+       
+       return getChecksumResult;
+       
+}
+
+CDSChecksumResult CalendarDataStorage::UpdateChecksum(std::string checksumName, std::string checksumValue){
+       
+       int resultCode;
+       
+       // Check if the checksum already exists.
+       
+       sqlite3_stmt *getHandle;
+       sqlite3_stmt *statementHandle;
+       
+       resultCode = sqlite3_prepare_v2(db, "SELECT checksumvalue from checksums WHERE checksumname=(?1);", -1, &getHandle, nullptr);
+       
+       if (resultCode != 0){
+               return CDSCHECKSUM_FAILED;
+       }
+       
+       resultCode = sqlite3_bind_text(getHandle, 1, checksumName.c_str(), -1, SQLITE_STATIC);
+       
+       if (resultCode != 0){
+               return CDSCHECKSUM_FAILED;
+       }
+       
+       resultCode = sqlite3_step(getHandle);
+       
+       if (resultCode == SQLITE_ROW){
+       } else if (resultCode == SQLITE_DONE) {
+               return CDSCHECKSUM_NOHASH;
+       } else {
+               return CDSCHECKSUM_FAILED;
+       }
+       
+       // Update the checksum.
+       
+       resultCode = sqlite3_prepare_v2(db, "UPDATE checksums SET checksumvalue=(?1) WHERE checksumname=(?2);", -1, &statementHandle, nullptr);
+       
+       if (resultCode != 0){
+               return CDSCHECKSUM_FAILED;
+       }
+       
+       resultCode = sqlite3_bind_text(statementHandle, 1, checksumValue.c_str(), -1, SQLITE_STATIC);
+       
+       if (resultCode != 0){
+               return CDSCHECKSUM_FAILED;
+       }
+       
+       resultCode = sqlite3_bind_text(statementHandle, 2, checksumName.c_str(), -1, SQLITE_STATIC);
+       
+       if (resultCode != 0){
+               return CDSCHECKSUM_FAILED;
+       }
+       
+       resultCode = sqlite3_step(statementHandle);
+       
+       if (resultCode != SQLITE_DONE){
+               return CDSCHECKSUM_FAILED;
+       }
+       
+       return CDSCHECKSUM_OK;
+       
+}
+
+CDSCleanupResult CalendarDataStorage::Clear(){
+       
+       // Remove all data from the tables and reset the sequence numbers.
+
+       int resultCode; 
+       sqlite3_stmt *statementHandle;
+       
+       resultCode = sqlite3_prepare_v2(db, "DELETE FROM calendarentries", -    1, &statementHandle, nullptr);
+       
+       if (resultCode != 0){
+               cout << "Fail 1" << endl;
+               return CDSCLEANUP_FAILED;
+       }
+       
+       resultCode = sqlite3_step(statementHandle);
+       
+       if (resultCode != SQLITE_DONE){
+               cout << "Fail 2" << endl;
+               return CDSCLEANUP_FAILED;
+       }
+       
+       resultCode = sqlite3_prepare_v2(db, "DELETE FROM sqlite_sequence WHERE name='calendarentries';", -1, &statementHandle, nullptr);
+       
+       if (resultCode != 0){
+               cout << "Fail 3" << endl;
+               cout << sqlite3_errmsg(db) << endl;
+               return CDSCLEANUP_FAILED;
+       }
+
+       resultCode = sqlite3_step(statementHandle);
+       
+       if (resultCode != SQLITE_DONE){
+               cout << "Fail 4" << endl;
+               return CDSCLEANUP_FAILED;
+       }
+
+       resultCode = sqlite3_prepare_v2(db, "DELETE FROM calendars", -1, &statementHandle, nullptr);
+       
+       if (resultCode != 0){
+               cout << "Fail 5" << endl;
+               return CDSCLEANUP_FAILED;
+       }
+       
+       resultCode = sqlite3_step(statementHandle);
+       
+       if (resultCode != SQLITE_DONE){
+               cout << "Fail 6" << endl;
+               return CDSCLEANUP_FAILED;
+       }
+       
+       resultCode = sqlite3_prepare_v2(db, "DELETE FROM sqlite_sequence WHERE name='calendars';", -1, &statementHandle, nullptr);
+       
+       if (resultCode != 0){
+               cout << "Fail 7" << endl;
+               return CDSCLEANUP_FAILED;
+       }
+
+       resultCode = sqlite3_step(statementHandle);
+       
+       if (resultCode != SQLITE_DONE){
+               cout << "Fail 8" << endl;
+               return CDSCLEANUP_FAILED;
+       }
+       
+       resultCode = sqlite3_prepare_v2(db, "DELETE FROM accounts", -1, &statementHandle, nullptr);
+       
+       if (resultCode != 0){
+               cout << "Fail 9" << endl;
+               return CDSCLEANUP_FAILED;
+       }
+       
+       resultCode = sqlite3_step(statementHandle);
+       
+       if (resultCode != SQLITE_DONE){
+               cout << "Fail 10" << endl;
+               return CDSCLEANUP_FAILED;
+       }
+       
+       resultCode = sqlite3_prepare_v2(db, "DELETE FROM sqlite_sequence WHERE name='accounts'", -1, &statementHandle, nullptr);
+       
+       if (resultCode != 0){
+               cout << "Fail 11" << endl;
+               return CDSCLEANUP_FAILED;
+       }
+
+       resultCode = sqlite3_step(statementHandle);
+       
+       if (resultCode != SQLITE_DONE){
+               cout << "Fail 12" << endl;
+               return CDSCLEANUP_FAILED;
+       }
+       
+       // Update the checksum.
+
+       UpdateChecksum("internal_updatedata", to_string(GenerateRandomNumber(CDS_RANDOMPOW)));
+       
+       return CDSCLEANUP_OK;
+       
 }
\ No newline at end of file
 }
\ No newline at end of file
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Yn Maystri
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