X-Git-Url: http://wagnertech.de/git?a=blobdiff_plain;f=mysql.sql;h=e526e614e5c48e1503cf1ab07b1bf14ce9297c5f;hb=ccf6c015e1f48d747ae697944c3d50e8fccf8080;hp=dc07a1dde99d65809df9d12c8dabbba93edb6bea;hpb=8f7f616dc5fafe49038c6eaff25f6fe6f55ca635;p=timetracker.git

diff --git a/mysql.sql b/mysql.sql
index dc07a1dd..e526e614 100644
--- a/mysql.sql
+++ b/mysql.sql
@@ -3,100 +3,150 @@
 # 2) Then, execute this script from command prompt with a command like this:
 # mysql -h host -u user -p -D db_name < mysql.sql
 
-# create database timetracker character set = 'utf8';
+# create database timetracker character set = 'utf8mb4';
 
 # use timetracker;
 
 
 #
-# Structure for table tt_teams. A team is a group of users for whom we are tracking work time.
-# This table stores settings common to all team members such as language, week start day, etc.
-#
-CREATE TABLE `tt_teams` (
-  `id` int(11) NOT NULL auto_increment,                      # team id
-  `timestamp` timestamp NOT NULL,                            # modification timestamp
-  `name` varchar(80) default NULL,                           # team name
-  `currency` varchar(7) default NULL,                        # team currency symbol
-  `decimal_mark` char(1) NOT NULL default '.',               # separator in decimals
-  `lang` varchar(10) NOT NULL default 'en',                  # language
-  `date_format` varchar(20) NOT NULL default '%Y-%m-%d',     # date format
-  `time_format` varchar(20) NOT NULL default '%H:%M',        # time format
-  `week_start` smallint(2) NOT NULL DEFAULT '0',             # Week start day, 0 == Sunday.
-  `tracking_mode` smallint(2) NOT NULL DEFAULT '1',          # tracking mode ("time", "projects" or "projects and tasks")
-  `project_required` smallint(2) NOT NULL DEFAULT '0',       # whether a project selection is required or optional
-  `task_required` smallint(2) NOT NULL DEFAULT '0',          # whether a task selection is required or optional
-  `record_type` smallint(2) NOT NULL DEFAULT '0',            # time record type ("start and finish", "duration", or both)
-  `uncompleted_indicators` smallint(2) NOT NULL DEFAULT '0', # whether to show indicators for users with uncompleted time entries
-  `bcc_email` varchar(100) default NULL,                     # bcc email to copy all reports to
-  `plugins` varchar(255) default NULL,                       # a list of enabled plugins for team
-  `lock_spec` varchar(255) default NULL,                     # Cron specification for record locking,
-                                                             # for example: "0 10 * * 1" for "weekly on Mon at 10:00".
-  `workday_hours` decimal(5,2) DEFAULT '8.00',               # number of work hours in a regular day
-  `workday_minutes` smallint(4) DEFAULT '480',               # number of work minutes in a regular working day
-  `custom_logo` tinyint(4) default '0',                      # whether to use a custom logo or not
-  `config` text default NULL,                                # miscellaneous team configuration settings
-  `status` tinyint(4) default '1',                           # team status
+# Structure for table tt_groups. A group is a unit of users for whom we are tracking work time.
+# This table stores settings common to all group members such as language, week start day, etc.
+#
+CREATE TABLE `tt_groups` (
+  `id` int(11) NOT NULL auto_increment,                  # group id
+  `parent_id` int(11) default NULL,                      # parent group id
+  `org_id` int(11) default NULL,                         # organization id (id of top group)
+  `group_key` varchar(32) default NULL,                  # group key
+  `name` varchar(80) default NULL,                       # group name
+  `description` varchar(255) default NULL,               # group description
+  `currency` varchar(7) default NULL,                    # currency symbol
+  `decimal_mark` char(1) NOT NULL default '.',           # separator in decimals
+  `lang` varchar(10) NOT NULL default 'en',              # language
+  `date_format` varchar(20) NOT NULL default '%Y-%m-%d', # date format
+  `time_format` varchar(20) NOT NULL default '%H:%M',    # time format
+  `week_start` smallint(2) NOT NULL default 0,           # Week start day, 0 == Sunday.
+  `tracking_mode` smallint(2) NOT NULL default 1,        # tracking mode ("time", "projects" or "projects and tasks")
+  `project_required` smallint(2) NOT NULL default 0,     # whether a project selection is required or optional
+  `task_required` smallint(2) NOT NULL default 0,        # whether a task selection is required or optional
+  `record_type` smallint(2) NOT NULL default 0,          # time record type ("start and finish", "duration", or both)
+  `bcc_email` varchar(100) default NULL,                 # bcc email to copy all reports to
+  `allow_ip` varchar(255) default NULL,                  # specification from where users are allowed access
+  `password_complexity` varchar(64) default NULL,        # password example that defines required complexity
+  `plugins` varchar(255) default NULL,                   # a list of enabled plugins for group
+  `lock_spec` varchar(255) default NULL,                 # Cron specification for record locking,
+                                                         # for example: "0 10 * * 1" for "weekly on Mon at 10:00".
+  `workday_minutes` smallint(4) default 480,             # number of work minutes in a regular working day
+  `custom_logo` tinyint(4) default 0,                    # whether to use a custom logo or not
+  `config` text default NULL,                            # miscellaneous group configuration settings
+  `created` datetime default NULL,                       # creation timestamp
+  `created_ip` varchar(45) default NULL,                 # creator ip
+  `created_by` int(11) default NULL,                     # creator user_id
+  `modified` datetime default NULL,                      # modification timestamp
+  `modified_ip` varchar(45) default NULL,                # modifier ip
+  `modified_by` int(11) default NULL,                    # modifier user_id
+  `status` tinyint(4) default 1,                         # group status
   PRIMARY KEY (`id`)
 );
 
 
+#
+# Structure for table tt_roles. This table stores group roles.
+#
+CREATE TABLE `tt_roles` (
+  `id` int(11) NOT NULL auto_increment,    # Role id. Identifies roles for all groups on the server.
+  `group_id` int(11) NOT NULL,             # Group id the role is defined for.
+  `org_id` int(11) default NULL,           # Organization id.
+  `name` varchar(80) default NULL,         # Role name - custom role name. In case we are editing a
+                                           # predefined role (USER, etc.), we can rename the role here.
+  `description` varchar(255) default NULL, # Role description.
+  `rank` int(11) default 0,                # Role rank, an integer value between 0-512. Predefined role ranks:
+                                           # User - 4, Supervisor - 12, Client - 16,
+                                           # Co-manager - 68, Manager - 324, Top manager - 512.
+                                           # Rank is used to determine what "lesser roles" are in each group
+                                           # for situations such as "manage_users".
+  `rights` text default NULL,              # Comma-separated list of rights assigned to a role.
+                                           # NULL here for predefined roles (4, 16, 68, 324 - manager)
+                                           # means a hard-coded set of default access rights.
+  `status` tinyint(4) default 1,           # Role status.
+  PRIMARY KEY  (`id`)
+);
+
+# Create an index that guarantees unique active and inactive role ranks in each group.
+create unique index role_idx on tt_roles(group_id, rank, status);
+
+# Insert site-wide roles - site administrator and top manager.
+INSERT INTO `tt_roles` (`group_id`, `name`, `rank`, `rights`) VALUES (0, 'Site administrator', 1024, 'administer_site');
+INSERT INTO `tt_roles` (`group_id`, `name`, `rank`, `rights`) VALUES (0, 'Top manager', 512, 'track_own_time,track_own_expenses,view_own_reports,view_own_charts,view_own_projects,view_own_tasks,manage_own_settings,view_users,view_client_reports,view_client_invoices,track_time,track_expenses,view_reports,approve_reports,approve_timesheets,view_charts,view_own_clients,override_punch_mode,override_own_punch_mode,override_date_lock,override_own_date_lock,swap_roles,manage_own_account,manage_users,manage_projects,manage_tasks,manage_custom_fields,manage_clients,manage_invoices,override_allow_ip,manage_basic_settings,view_all_reports,manage_features,manage_advanced_settings,manage_roles,export_data,approve_all_reports,approve_own_timesheets,manage_subgroups,view_client_unapproved,delete_group');
+
+
 #
 # Structure for table tt_users. This table is used to store user properties.
 #
 CREATE TABLE `tt_users` (
-  `id` int(11) NOT NULL auto_increment,          # user id
-  `timestamp` timestamp NOT NULL,                # modification timestamp
-  `login` varchar(50) COLLATE utf8_bin NOT NULL, # user login
-  `password` varchar(50) default NULL,           # password hash
-  `name` varchar(100) default NULL,              # user name
-  `team_id` int(11) NOT NULL,                    # team id
-  `role` int(11) default '4',                    # user role ("manager", "co-manager", "client", or "user")
-  `client_id` int(11) default NULL,              # client id for "client" user role
-  `rate` float(6,2) NOT NULL default '0.00',     # default hourly rate
-  `email` varchar(100) default NULL,             # user email
-  `status` tinyint(4) default '1',               # user status
+  `id` int(11) NOT NULL auto_increment,            # user id
+  `login` varchar(50) COLLATE utf8mb4_bin NOT NULL,# user login
+  `password` varchar(50) default NULL,             # password hash
+  `name` varchar(100) default NULL,                # user name
+  `group_id` int(11) NOT NULL,                     # group id
+  `org_id` int(11) default NULL,                   # organization id
+  `role_id` int(11) default NULL,                  # role id
+  `client_id` int(11) default NULL,                # client id for "client" user role
+  `rate` float(6,2) NOT NULL default '0.00',       # default hourly rate
+  `quota_percent` float(6,2) NOT NULL default '100.00', # percent of time quota
+  `email` varchar(100) default NULL,               # user email
+  `created` datetime default NULL,                 # creation timestamp
+  `created_ip` varchar(45) default NULL,           # creator ip
+  `created_by` int(11) default NULL,               # creator user_id (null for self)
+  `modified` datetime default NULL,                # modification timestamp
+  `modified_ip` varchar(45) default NULL,          # modifier ip
+  `modified_by` int(11) default NULL,              # modifier user_id
+  `accessed` datetime default NULL,                # last access timestamp
+  `accessed_ip` varchar(45) default NULL,          # last access ip
+  `status` tinyint(4) default 1,                   # user status
   PRIMARY KEY (`id`)
 );
 
 # Create an index that guarantees unique active and inactive logins.
 create unique index login_idx on tt_users(login, status);
 
-# Create admin account with password 'secret'. Admin is a superuser, who can create teams.
+# Create admin account with password 'secret'. Admin is a superuser who can create groups.
 DELETE from `tt_users` WHERE login = 'admin';
-INSERT INTO `tt_users` (`login`, `password`, `name`, `team_id`, `role`) VALUES ('admin', md5('secret'), 'Admin', '0', '1024');
+INSERT INTO `tt_users` (`login`, `password`, `name`, `group_id`, `role_id`) VALUES ('admin', md5('secret'), 'Admin', '0', (select id from tt_roles where rank = 1024));
 
 
 #
 # Structure for table tt_projects.
 #
 CREATE TABLE `tt_projects` (
-  `id` int(11) NOT NULL auto_increment,         # project id
-  `team_id` int(11) NOT NULL,                   # team id
-  `name` varchar(80) COLLATE utf8_bin NOT NULL, # project name
-  `description` varchar(255) default NULL,      # project description
-  `tasks` text default NULL,                    # comma-separated list of task ids associated with this project
-  `status` tinyint(4) default '1',              # project status
+  `id` int(11) NOT NULL auto_increment,            # project id
+  `group_id` int(11) NOT NULL,                     # group id
+  `org_id` int(11) default NULL,                   # organization id
+  `name` varchar(80) COLLATE utf8mb4_bin NOT NULL, # project name
+  `description` varchar(255) default NULL,         # project description
+  `tasks` text default NULL,                       # comma-separated list of task ids associated with this project
+  `status` tinyint(4) default 1,                   # project status
   PRIMARY KEY (`id`)
 );
 
-# Create an index that guarantees unique active and inactive projects per team.
-create unique index project_idx on tt_projects(team_id, name, status);
+# Create an index that guarantees unique active and inactive projects per group.
+create unique index project_idx on tt_projects(group_id, name, status);
 
 
 #
 # Structure for table tt_tasks.
 #
 CREATE TABLE `tt_tasks` (
-  `id` int(11) NOT NULL auto_increment,         # task id
-  `team_id` int(11) NOT NULL,                   # team id
-  `name` varchar(80) COLLATE utf8_bin NOT NULL, # task name
-  `description` varchar(255) default NULL,      # task description
-  `status` tinyint(4) default '1',              # task status
+  `id` int(11) NOT NULL auto_increment,            # task id
+  `group_id` int(11) NOT NULL,                     # group id
+  `org_id` int(11) default NULL,                   # organization id
+  `name` varchar(80) COLLATE utf8mb4_bin NOT NULL, # task name
+  `description` varchar(255) default NULL,         # task description
+  `status` tinyint(4) default 1,                   # task status
   PRIMARY KEY (`id`)
 );
 
-# Create an index that guarantees unique active and inactive tasks per team.
-create unique index task_idx on tt_tasks(team_id, name, status);
+# Create an index that guarantees unique active and inactive tasks per group.
+create unique index task_idx on tt_tasks(group_id, name, status);
 
 
 #
@@ -106,8 +156,10 @@ CREATE TABLE `tt_user_project_binds` (
   `id` int(11) NOT NULL auto_increment, # bind id
   `user_id` int(11) NOT NULL,           # user id
   `project_id` int(11) NOT NULL,        # project id
+  `group_id` int(11) default NULL,      # group id
+  `org_id` int(11) default NULL,        # organization id
   `rate` float(6,2) default '0.00',     # rate for this user when working on this project
-  `status` tinyint(4) default '1',      # bind status
+  `status` tinyint(4) default 1,        # bind status
   PRIMARY KEY (`id`)
 );
 
@@ -119,13 +171,16 @@ create unique index bind_idx on tt_user_project_binds(user_id, project_id);
 # Structure for table tt_project_task_binds. This table maps projects to assigned tasks.
 #
 CREATE TABLE `tt_project_task_binds` (
-  `project_id` int(11) NOT NULL, # project id
-  `task_id` int(11) NOT NULL     # task id
+  `project_id` int(11) NOT NULL,        # project id
+  `task_id` int(11) NOT NULL,           # task id
+  `group_id` int(11) default NULL,      # group id
+  `org_id` int(11) default NULL         # organization id
 );
 
 # Indexes for tt_project_task_binds.
 create index project_idx on tt_project_task_binds(project_id);
 create index task_idx on tt_project_task_binds(task_id);
+create unique index project_task_idx on tt_project_task_binds(project_id, task_id);
 
 
 #
@@ -133,56 +188,68 @@ create index task_idx on tt_project_task_binds(task_id);
 # If you use custom fields, additional info for each record may exist in tt_custom_field_log.
 #
 CREATE TABLE `tt_log` (
-  `id` bigint NOT NULL auto_increment, # time record id
-  `timestamp` timestamp NOT NULL,      # modification timestamp
-  `user_id` int(11) NOT NULL,          # user id
-  `date` date NOT NULL,                # date the record is for
-  `start` time default NULL,           # record start time (for example, 09:00)
-  `duration` time default NULL,        # record duration (for example, 1 hour)
-  `client_id` int(11) default NULL,    # client id
-  `project_id` int(11) default NULL,   # project id
-  `task_id` int(11) default NULL,      # task id
-  `invoice_id` int(11) default NULL,   # invoice id
-  `comment` text,                      # user provided comment for time record
-  `billable` tinyint(4) default '0',   # whether the record is billable or not
-  `paid` tinyint(4) default '0',       # whether the record is paid
-  `status` tinyint(4) default '1',     # time record status
+  `id` bigint NOT NULL auto_increment,             # time record id
+  `user_id` int(11) NOT NULL,                      # user id
+  `group_id` int(11) default NULL,                 # group id
+  `org_id` int(11) default NULL,                   # organization id
+  `date` date NOT NULL,                            # date the record is for
+  `start` time default NULL,                       # record start time (for example, 09:00)
+  `duration` time default NULL,                    # record duration (for example, 1 hour)
+  `client_id` int(11) default NULL,                # client id
+  `project_id` int(11) default NULL,               # project id
+  `task_id` int(11) default NULL,                  # task id
+  `timesheet_id` int(11) default NULL,             # timesheet id
+  `invoice_id` int(11) default NULL,               # invoice id
+  `comment` text,                                  # user provided comment for time record
+  `billable` tinyint(4) default 0,                 # whether the record is billable or not
+  `approved` tinyint(4) default 0,                 # whether the record is approved
+  `paid` tinyint(4) default 0,                     # whether the record is paid
+  `created` datetime default NULL,                 # creation timestamp
+  `created_ip` varchar(45) default NULL,           # creator ip
+  `created_by` int(11) default NULL,               # creator user_id
+  `modified` datetime default NULL,                # modification timestamp
+  `modified_ip` varchar(45) default NULL,          # modifier ip
+  `modified_by` int(11) default NULL,              # modifier user_id
+  `status` tinyint(4) default 1,                   # time record status
   PRIMARY KEY (`id`)
 );
 
 # Create indexes on tt_log for performance.
 create index date_idx on tt_log(date);
 create index user_idx on tt_log(user_id);
+create index group_idx on tt_log(group_id);
 create index client_idx on tt_log(client_id);
 create index invoice_idx on tt_log(invoice_id);
 create index project_idx on tt_log(project_id);
 create index task_idx on tt_log(task_id);
+create index timesheet_idx on tt_log(timesheet_id);
 
 
 #
 # Structure for table tt_invoices. Invoices are issued to clients for billable work.
 #
 CREATE TABLE `tt_invoices` (
-  `id` int(11) NOT NULL auto_increment,         # invoice id
-  `team_id` int(11) NOT NULL,                   # team id
-  `name` varchar(80) COLLATE utf8_bin NOT NULL, # invoice name
-  `date` date NOT NULL,                         # invoice date
-  `client_id` int(11) NOT NULL,                 # client id
-  `status` tinyint(4) default '1',              # invoice status
+  `id` int(11) NOT NULL auto_increment,            # invoice id
+  `group_id` int(11) NOT NULL,                     # group id
+  `org_id` int(11) default NULL,                   # organization id
+  `name` varchar(80) COLLATE utf8mb4_bin NOT NULL, # invoice name
+  `date` date NOT NULL,                            # invoice date
+  `client_id` int(11) NOT NULL,                    # client id
+  `status` tinyint(4) default 1,                   # invoice status
   PRIMARY KEY (`id`)
 );
 
-# Create an index that guarantees unique invoice names per team.
-create unique index name_idx on tt_invoices(team_id, name, status);
+# Create an index that guarantees unique invoice names per group.
+create unique index name_idx on tt_invoices(group_id, name, status);
 
 
 #
 # Structure for table tt_tmp_refs. Used for reset password mechanism.
 #
 CREATE TABLE `tt_tmp_refs` (
-  `timestamp` timestamp NOT NULL,     # creation timestamp
-  `ref` char(32) NOT NULL default '', # unique reference for user, used in urls
-  `user_id` int(11) NOT NULL          # user id
+  `created` datetime default NULL,                 # creation timestamp
+  `ref` char(32) NOT NULL default '',              # unique reference for user, used in urls
+  `user_id` int(11) NOT NULL                       # user id
 );
 
 
@@ -193,32 +260,42 @@ CREATE TABLE `tt_fav_reports` (
   `id` int(11) NOT NULL auto_increment,                  # favorite report id
   `name` varchar(200) NOT NULL,                          # favorite report name
   `user_id` int(11) NOT NULL,                            # user id favorite report belongs to
+  `group_id` int(11) default NULL,                       # group id
+  `org_id` int(11) default NULL,                         # organization id
   `report_spec` text default NULL,                       # future replacement field for all report settings
   `client_id` int(11) default NULL,                      # client id (if selected)
   `cf_1_option_id` int(11) default NULL,                 # custom field 1 option id (if selected)
   `project_id` int(11) default NULL,                     # project id (if selected)
   `task_id` int(11) default NULL,                        # task id (if selected)
   `billable` tinyint(4) default NULL,                    # whether to include billable, not billable, or all records
+  `approved` tinyint(4) default NULL,                    # whether to include approved, unapproved, or all records
   `invoice` tinyint(4) default NULL,                     # whether to include invoiced, not invoiced, or all records
+  `timesheet` tinyint(4) default NULL,                   # include records with a specific timesheet status, or all records
   `paid_status` tinyint(4) default NULL,                 # whether to include paid, not paid, or all records
   `users` text default NULL,                             # Comma-separated list of user ids. Nothing here means "all" users.
   `period` tinyint(4) default NULL,                      # selected period type for report
   `period_start` date default NULL,                      # period start
   `period_end` date default NULL,                        # period end
-  `show_client` tinyint(4) NOT NULL default '0',         # whether to show client column
-  `show_invoice` tinyint(4) NOT NULL default '0',        # whether to show invoice column
-  `show_paid` tinyint(4) NOT NULL default '0',           # whether to show paid column
-  `show_project` tinyint(4) NOT NULL default '0',        # whether to show project column
-  `show_start` tinyint(4) NOT NULL default '0',          # whether to show start field
-  `show_duration` tinyint(4) NOT NULL default '0',       # whether to show duration field
-  `show_cost` tinyint(4) NOT NULL default '0',           # whether to show cost field
-  `show_task` tinyint(4) NOT NULL default '0',           # whether to show task column
-  `show_end` tinyint(4) NOT NULL default '0',            # whether to show end field
-  `show_note` tinyint(4) NOT NULL default '0',           # whether to show note column
-  `show_custom_field_1` tinyint(4) NOT NULL default '0', # whether to show custom field 1
-  `show_totals_only` tinyint(4) NOT NULL default '0',    # whether to show totals only
-  `group_by` varchar(20) default NULL,                   # group by field
-  `status` tinyint(4) default '1',                       # favorite report status
+  `show_client` tinyint(4) NOT NULL default 0,           # whether to show client column
+  `show_invoice` tinyint(4) NOT NULL default 0,          # whether to show invoice column
+  `show_paid` tinyint(4) NOT NULL default 0,             # whether to show paid column
+  `show_ip` tinyint(4) NOT NULL default 0,               # whether to show ip column
+  `show_project` tinyint(4) NOT NULL default 0,          # whether to show project column
+  `show_timesheet` tinyint(4) NOT NULL default 0,        # whether to show timesheet column
+  `show_start` tinyint(4) NOT NULL default 0,            # whether to show start field
+  `show_duration` tinyint(4) NOT NULL default 0,         # whether to show duration field
+  `show_cost` tinyint(4) NOT NULL default 0,             # whether to show cost field
+  `show_task` tinyint(4) NOT NULL default 0,             # whether to show task column
+  `show_end` tinyint(4) NOT NULL default 0,              # whether to show end field
+  `show_note` tinyint(4) NOT NULL default 0,             # whether to show note column
+  `show_approved` tinyint(4) NOT NULL default 0,         # whether to show approved column
+  `show_custom_field_1` tinyint(4) NOT NULL default 0,   # whether to show custom field 1
+  `show_work_units` tinyint(4) NOT NULL default 0,       # whether to show work units
+  `show_totals_only` tinyint(4) NOT NULL default 0,      # whether to show totals only
+  `group_by1` varchar(20) default NULL,                  # group by field 1
+  `group_by2` varchar(20) default NULL,                  # group by field 2
+  `group_by3` varchar(20) default NULL,                  # group by field 3
+  `status` tinyint(4) default 1,                         # favorite report status
   PRIMARY KEY (`id`)
 );
 
@@ -228,7 +305,8 @@ CREATE TABLE `tt_fav_reports` (
 #
 CREATE TABLE `tt_cron` (
   `id` int(11) NOT NULL auto_increment,         # entry id
-  `team_id` int(11) NOT NULL,                   # team id
+  `group_id` int(11) NOT NULL,                  # group id
+  `org_id` int(11) default NULL,                # organization id
   `cron_spec` varchar(255) NOT NULL,            # cron specification, "0 1 * * *" for "daily at 01:00"
   `last` int(11) default NULL,                  # UNIX timestamp of when job was last run
   `next` int(11) default NULL,                  # UNIX timestamp of when to run next job
@@ -237,7 +315,7 @@ CREATE TABLE `tt_cron` (
   `cc` varchar(100) default NULL,               # cc email to send results to
   `subject` varchar(100) default NULL,          # email subject
   `report_condition` varchar(255) default NULL, # report condition, "count > 0" for sending not empty reports
-  `status` tinyint(4) default '1',              # entry status
+  `status` tinyint(4) default 1,                # entry status
   PRIMARY KEY (`id`)
 );
 
@@ -246,31 +324,35 @@ CREATE TABLE `tt_cron` (
 # Structure for table tt_clients. A client is an entity for whom work is performed and who may be invoiced.
 #
 CREATE TABLE `tt_clients` (
-  `id` int(11) NOT NULL AUTO_INCREMENT,         # client id
-  `team_id` int(11) NOT NULL,                   # team id
-  `name` varchar(80) COLLATE utf8_bin NOT NULL, # client name
-  `address` varchar(255) default NULL,          # client address
-  `tax` float(6,2) default '0.00',              # applicable tax for this client
-  `projects` text default NULL,                 # comma-separated list of project ids assigned to this client
-  `status` tinyint(4) default '1',              # client status
+  `id` int(11) NOT NULL AUTO_INCREMENT,            # client id
+  `group_id` int(11) NOT NULL,                     # group id
+  `org_id` int(11) default NULL,                   # organization id
+  `name` varchar(80) COLLATE utf8mb4_bin NOT NULL, # client name
+  `address` varchar(255) default NULL,             # client address
+  `tax` float(6,2) default '0.00',                 # applicable tax for this client
+  `projects` text default NULL,                    # comma-separated list of project ids assigned to this client
+  `status` tinyint(4) default 1,                   # client status
   PRIMARY KEY (`id`)
 );
 
-# Create an index that guarantees unique active and inactive clients per team.
-create unique index client_name_idx on tt_clients(team_id, name, status);
+# Create an index that guarantees unique active and inactive clients per group.
+create unique index client_name_idx on tt_clients(group_id, name, status);
 
 
 #
 # Structure for table tt_client_project_binds. This table maps clients to assigned projects.
 #
 CREATE TABLE `tt_client_project_binds` (
-  `client_id` int(11) NOT NULL, # client id
-  `project_id` int(11) NOT NULL # project id
+  `client_id` int(11) NOT NULL,                    # client id
+  `project_id` int(11) NOT NULL,                   # project id
+  `group_id` int(11) default NULL,                 # group id
+  `org_id` int(11) default NULL                    # organization id
 );
 
 # Indexes for tt_client_project_binds.
 create index client_idx on tt_client_project_binds(client_id);
 create index project_idx on tt_client_project_binds(project_id);
+create unique index client_project_idx on tt_client_project_binds(client_id, project_id);
 
 
 #
@@ -279,6 +361,8 @@ create index project_idx on tt_client_project_binds(project_id);
 #
 CREATE TABLE `tt_config` (
   `user_id` int(11) NOT NULL,            # user id
+  `group_id` int(11) default NULL,       # group id
+  `org_id` int(11) default NULL,         # organization id
   `param_name` varchar(32) NOT NULL,     # parameter name
   `param_value` varchar(80) default NULL # parameter value
 );
@@ -294,11 +378,12 @@ create unique index param_idx on tt_config(user_id, param_name);
 #
 CREATE TABLE `tt_custom_fields` (
   `id` int(11) NOT NULL auto_increment,    # custom field id
-  `team_id` int(11) NOT NULL,              # team id
-  `type` tinyint(4) NOT NULL default '0',  # custom field type (text or dropdown)
+  `group_id` int(11) NOT NULL,             # group id
+  `org_id` int(11) default NULL,           # organization id
+  `type` tinyint(4) NOT NULL default 0,    # custom field type (text or dropdown)
   `label` varchar(32) NOT NULL default '', # custom field label
-  `required` tinyint(4) default '0',       # whether this custom field is mandatory for time records
-  `status` tinyint(4) default '1',         # custom field status
+  `required` tinyint(4) default 0,         # whether this custom field is mandatory for time records
+  `status` tinyint(4) default 1,           # custom field status
   PRIMARY KEY  (`id`)
 );
 
@@ -308,8 +393,11 @@ CREATE TABLE `tt_custom_fields` (
 #
 CREATE TABLE `tt_custom_field_options` (
   `id` int(11) NOT NULL auto_increment,    # option id
+  `group_id` int(11) default NULL,         # group id
+  `org_id` int(11) default NULL,           # organization id
   `field_id` int(11) NOT NULL,             # custom field id
   `value` varchar(32) NOT NULL default '', # option value
+  `status` tinyint(4) default 1,           # option status
   PRIMARY KEY  (`id`)
 );
 
@@ -319,37 +407,51 @@ CREATE TABLE `tt_custom_field_options` (
 # This table supplements tt_log and contains custom field values for records.
 #
 CREATE TABLE `tt_custom_field_log` (
-  `id` bigint NOT NULL auto_increment, # cutom field log id
+  `id` bigint NOT NULL auto_increment, # custom field log id
+  `group_id` int(11) default NULL,     # group id
+  `org_id` int(11) default NULL,       # organization id
   `log_id` bigint NOT NULL,            # id of a record in tt_log this record corresponds to
   `field_id` int(11) NOT NULL,         # custom field id
   `option_id` int(11) default NULL,    # Option id. Used for dropdown custom fields.
   `value` varchar(255) default NULL,   # Text value. Used for text custom fields.
-  `status` tinyint(4) default '1',     # custom field log entry status
+  `status` tinyint(4) default 1,       # custom field log entry status
   PRIMARY KEY  (`id`)
 );
 
+create index log_idx on tt_custom_field_log(log_id);
+
 
 #
 # Structure for table tt_expense_items.
 # This table lists expense items.
 #
 CREATE TABLE `tt_expense_items` (
-  `id` bigint NOT NULL auto_increment, # expense item id
-  `date` date NOT NULL,                # date the record is for
-  `user_id` int(11) NOT NULL,          # user id the expense item is reported by
-  `client_id` int(11) default NULL,    # client id
-  `project_id` int(11) default NULL,   # project id
-  `name` text NOT NULL,                # expense item name (what is an expense for)   
-  `cost` decimal(10,2) default '0.00', # item cost (including taxes, etc.)
-  `invoice_id` int(11) default NULL,   # invoice id
-  `paid` tinyint(4) default '0',       # whether the item is paid
-  `status` tinyint(4) default '1',     # item status
+  `id` bigint NOT NULL auto_increment,    # expense item id
+  `date` date NOT NULL,                   # date the record is for
+  `user_id` int(11) NOT NULL,             # user id the expense item is reported by
+  `group_id` int(11) default NULL,        # group id
+  `org_id` int(11) default NULL,          # organization id
+  `client_id` int(11) default NULL,       # client id
+  `project_id` int(11) default NULL,      # project id
+  `name` text NOT NULL,                   # expense item name (what is an expense for)
+  `cost` decimal(10,2) default '0.00',    # item cost (including taxes, etc.)
+  `invoice_id` int(11) default NULL,      # invoice id
+  `approved` tinyint(4) default 0,        # whether the item is approved
+  `paid` tinyint(4) default 0,            # whether the item is paid
+  `created` datetime default NULL,        # creation timestamp
+  `created_ip` varchar(45) default NULL,  # creator ip
+  `created_by` int(11) default NULL,      # creator user_id
+  `modified` datetime default NULL,       # modification timestamp
+  `modified_ip` varchar(45) default NULL, # modifier ip
+  `modified_by` int(11) default NULL,     # modifier user_id
+  `status` tinyint(4) default 1,          # item status
   PRIMARY KEY  (`id`)
 );
 
 # Create indexes on tt_expense_items for performance.
 create index date_idx on tt_expense_items(date);
 create index user_idx on tt_expense_items(user_id);
+create index group_idx on tt_expense_items(group_id);
 create index client_idx on tt_expense_items(client_id);
 create index project_idx on tt_expense_items(project_id);
 create index invoice_idx on tt_expense_items(invoice_id);
@@ -361,7 +463,8 @@ create index invoice_idx on tt_expense_items(invoice_id);
 #
 CREATE TABLE `tt_predefined_expenses` (
   `id` int(11) NOT NULL auto_increment, # predefined expense id
-  `team_id` int(11) NOT NULL,           # team id
+  `group_id` int(11) NOT NULL,          # group id
+  `org_id` int(11) default NULL,        # organization id
   `name` varchar(255) NOT NULL,         # predefined expense name, such as mileage
   `cost` decimal(10,2) default '0.00',  # cost for one unit
   PRIMARY KEY  (`id`)
@@ -370,16 +473,104 @@ CREATE TABLE `tt_predefined_expenses` (
 
 #
 # Structure for table tt_monthly_quotas.
-# This table keeps monthly work hour quotas for teams.
+# This table keeps monthly work hour quotas for groups.
 #
 CREATE TABLE `tt_monthly_quotas` (
-  `team_id` int(11) NOT NULL,             # team id
+  `group_id` int(11) NOT NULL,            # group id
+  `org_id` int(11) default NULL,          # organization id
   `year` smallint(5) UNSIGNED NOT NULL,   # quota year
   `month` tinyint(3) UNSIGNED NOT NULL,   # quota month
-  `quota` decimal(5,2) NOT NULL,          # number of work hours in specified month and year
-  `minutes` int(11) DEFAULT NULL,         # quota in minutes in specified month and year
-  PRIMARY KEY (`team_id`,`year`,`month`)
+  `minutes` int(11) default NULL,         # quota in minutes in specified month and year
+  PRIMARY KEY (`group_id`,`year`,`month`)
+);
+
+
+#
+# Structure for table tt_timesheets. This table keeps timesheet related information.
+#
+CREATE TABLE `tt_timesheets` (
+  `id` int(11) NOT NULL auto_increment,            # timesheet id
+  `user_id` int(11) NOT NULL,                      # user id
+  `group_id` int(11) default NULL,                 # group id
+  `org_id` int(11) default NULL,                   # organization id
+  `client_id` int(11) default NULL,                # client id
+  `project_id` int(11) default NULL,               # project id
+  `name` varchar(80) COLLATE utf8mb4_bin NOT NULL, # timesheet name
+  `comment` text,                                  # timesheet comment
+  `start_date` date NOT NULL,                      # timesheet start date
+  `end_date` date NOT NULL,                        # timesheet end date
+  `submit_status` tinyint(4) default NULL,         # submit status
+  `approve_status` tinyint(4) default NULL,        # approve status
+  `approve_comment` text,                          # approve comment
+  `created` datetime default NULL,                 # creation timestamp
+  `created_ip` varchar(45) default NULL,           # creator ip
+  `created_by` int(11) default NULL,               # creator user_id
+  `modified` datetime default NULL,                # modification timestamp
+  `modified_ip` varchar(45) default NULL,          # modifier ip
+  `modified_by` int(11) default NULL,              # modifier user_id
+  `status` tinyint(4) default 1,                   # timesheet status
+  PRIMARY KEY (`id`)
+);
+
+
+#
+# Structure for table tt_templates.
+# This table keeps templates used in groups.
+#
+CREATE TABLE `tt_templates` (
+  `id` int(11) NOT NULL auto_increment,   # template id
+  `group_id` int(11) default NULL,        # group id
+  `org_id` int(11) default NULL,          # organization id
+  `name` varchar(80) COLLATE utf8mb4_bin NOT NULL, # template name
+  `description` varchar(255) default NULL,         # template description
+  `content` text,                         # template content
+  `created` datetime default NULL,        # creation timestamp
+  `created_ip` varchar(45) default NULL,  # creator ip
+  `created_by` int(11) default NULL,      # creator user_id
+  `modified` datetime default NULL,       # modification timestamp
+  `modified_ip` varchar(45) default NULL, # modifier ip
+  `modified_by` int(11) default NULL,     # modifier user_id
+  `status` tinyint(4) default 1,          # template status
+  PRIMARY KEY  (`id`)
+);
+
+
+#
+# Structure for table tt_files.
+# This table keeps file attachment information.
+#
+CREATE TABLE `tt_files` (
+  `id` int(10) unsigned NOT NULL auto_increment, # file id
+  `group_id` int(10) unsigned,                   # group id
+  `org_id` int(10) unsigned,                     # organization id
+  `remote_id` bigint(20) unsigned,               # file id in storage facility
+  `file_key` varchar(32),                        # file key
+  `entity_type` varchar(32),                     # type of entity file is associated with (project, task, etc.)
+  `entity_id` int(10) unsigned,                  # entity id
+  `file_name` varchar(80) COLLATE utf8mb4_bin NOT NULL, # file name
+  `description` varchar(255) default NULL,       # file description
+  `created` datetime default NULL,               # creation timestamp
+  `created_ip` varchar(45) default NULL,         # creator ip
+  `created_by` int(10) unsigned,                 # creator user_id
+  `modified` datetime default NULL,              # modification timestamp
+  `modified_ip` varchar(45) default NULL,        # modifier ip
+  `modified_by` int(10) unsigned,                # modifier user_id
+  `status` tinyint(1) default 1,                 # file status
+  PRIMARY KEY  (`id`)
+);
+
+
+#
+# Structure for table tt_site_config. This table stores configuration data
+# for Time Tracker site as a whole.
+# For example, database version, code version, site language, etc.
+#
+CREATE TABLE `tt_site_config` (
+  `param_name` varchar(32) NOT NULL, # parameter name
+  `param_value` text default NULL,   # parameter value
+  `created` datetime default NULL,   # creation timestamp
+  `modified` datetime default NULL,  # modification timestamp
+  PRIMARY KEY  (`param_name`)
 );
 
-ALTER TABLE `tt_monthly_quotas`
-  ADD CONSTRAINT `FK_TT_TEAM_CONSTRAING` FOREIGN KEY (`team_id`) REFERENCES `tt_teams` (`id`) ON DELETE CASCADE ON UPDATE CASCADE;
+INSERT INTO `tt_site_config` (`param_name`, `param_value`, `created`) VALUES ('version_db', '1.18.61', now()); # TODO: change when structure changes.