add parameter class

sql/schema.sql

@@ -262,7 +262,7 @@ create or replace function update_category_parent_path() returns trigger as $$
     END;
 $$ LANGUAGE plpgsql;
 
-
+-- TODO thumbnail should be a link to file table
 create table "category"(
     "parent_id"             int,
     "parent_path"           ltree,
@@ -273,7 +273,7 @@ create table "category"(
     constraint "fk_category_stat_owner" foreign key ("owner") references "auth_info"("id") deferrable initially immediate
 ) inherits (stat);
 create index "ix_category_parent_path" on "category" using GIST ("parent_path");
-create unique index "ux_category_name" on "category" ( "parent_id", "name" );
+create unique index "ux_category_name" on "category"("parent_id", "name" );
 create trigger "update_category_last_update" before update on "category" for each row execute procedure last_update_column();
 create trigger "update_category_parent_path" before insert or update on "category" for each row execute procedure update_category_parent_path();
 comment on table "category" is 'categories of items';
@@ -283,35 +283,32 @@ comment on column "category"."description" is '';
 comment on column "category"."thumbnail" is '';
 
 
---create table "measurands"(
---    "id"                    serial not null primary key,
---    "name"                  VARCHAR(32) not null unique,
---    "description"           text
---);
+create table "unit"(
+    "symbol"                text not null,
+    "description"           text,
+    "dimension_symbol"      text,
+--  "type" text
+    constraint "pk_unit" primary key ("id")
+) inherits(stat);
+create unique index "uk_unit" on "unit"("name", "symbol");
+create trigger update_unit_last_update before update on "unit" for each row execute PROCEDURE last_update_column();
+comment on table "unit" is 'categories of items';
+comment on column "unit"."symbol" is '';
+comment on column "unit"."description" is '';
+comment on column "unit"."dimension_symbol" is '';
 
---create table "metric_system"(
---    "id"                    serial not null primary key,
---    "name"                  VARCHAR(32) not null unique,
---    "description"           text
---);
 
---create table "unit"(
---    "id"                    serial not null unique primary key,
---    "name"                  text not null unique,
---    "symbol"                VARCHAR (20) not null,
---    "description"           text,
---    "dimension_symbol"      text
---    "metric_system"         int ,
---    constraint units_pkey primary key (uid),
---    constraint units_unique UNIQUE(name, symbol)
---);
+create table "parameter"(
+    "unit_id"               int,
+    "description"           text,
+    constraint "pk_parameter" primary key ("id"),
+    constraint "fk_parameter_unit" foreign key ("unit_id") references "unit"("id") on delete cascade deferrable initially immediate
+) inherits(stat);
+create trigger update_parameter_last_update before update on "parameter" for each row execute PROCEDURE last_update_column();
+comment on table "parameter" is 'Parameter';
+comment on column "parameter"."unit_id" is '';
+comment on column "parameter"."description" is '';
 
---create table "parameter"(
---    "unit"                  int,
---    constraint "pk_parameter" primary key ("id"),
---    constraint "fk_parameter_unit" foreign key ("unit") references "unit"("id") on delete cascade deferrable initially immediate
---) inherits(stat);
---create trigger update_parameter_last_update before update on parameter for each row execute PROCEDURE last_update_column();
 
 create table "item"(
     "symbol"                text not null,
@@ -382,18 +379,3 @@ comment on table "category_items" is '';
 
 --    date timestamp not null default now()
 --);
-
-
--- create INDEX users_stat_index 	on users 	(uid, owner, group, unixperms, status) with ( FILLFACTOR=100 );
--- create INDEX categories_stat_index 	on categories 	(uid, owner, group, unixperms, status) with ( FILLFACTOR=100 );
--- create INDEX storages_stat_index 	on storages 	(uid, owner, group, unixperms, status) with ( FILLFACTOR=100 );
--- create INDEX files_stat_index 	on files 	(uid, owner, group, unixperms, status) with ( FILLFACTOR=100 );
--- create INDEX items_stat_index 	on items 	(uid, owner, group, unixperms, status) with ( FILLFACTOR=100 );
-
--- create trigger update_parameters_last_update before update on parameters for each row execute PROCEDURE  last_update_column();
--- create trigger update_files_last_update before update on files for each row execute PROCEDURE  last_update_column();
--- create trigger update_packages_last_update before update on packages for each row execute PROCEDURE  last_update_column();
--- create trigger update_units_last_update before update on units for each row execute PROCEDURE  last_update_column();
--- create trigger update_items_last_update before update on items for each row execute PROCEDURE  last_update_column();
--- create trigger update_shelfs_last_update before update on shelfs for each row execute PROCEDURE  last_update_column();
--- create trigger update_inventory_operations_lats_update before update on inventory_operations for each row execute PROCEDURE  last_update_column();

src/libs/db/postgresql_connector/include/eedb/db/pg/PgItems.hpp

@@ -0,0 +1,7 @@
+#pragma once
+
+#include <eedb/db/Item.hpp>
+
+namespace eedb {
+class PgItems : public Items {};
+} // namespace eedb

src/libs/db/postgresql_connector/include/eedb/db/pg/PgItemsRepository.hpp

@@ -0,0 +1,31 @@
+#pragma once
+
+#include <eedb/db/Item.hpp>
+
+#include <utils/spimpl.hpp>
+
+namespace eedb::db {
+class PgConnection;
+}
+
+namespace eedb {
+class User;
+}
+
+namespace eedb {
+class PgItemsRepository : public ItemsRepository {
+    // ItemsRepository interface
+  public:
+    PgItemsRepository(db::PgConnection & db, User * owner);
+
+    std::unique_ptr< Item > create(item::Identyfier id, Values values, std::optional< item::Foto >) const override;
+
+    std::unique_ptr< Items > search(const ItemQueryFilters & filer) const override;
+
+    Parameters listParameters(const Category *) const override;
+
+  private:
+    struct PgItemsRepositoryPriv;
+    spimpl::unique_impl_ptr< PgItemsRepositoryPriv > _priv;
+};
+} // namespace eedb

src/libs/db/postgresql_connector/include/eedb/db/pg/model/all.hpp

@@ -5,13 +5,19 @@
 #include <eedb/db/pg/model/auth_token.h>
 #include <eedb/db/pg/model/category.h>
 #include <eedb/db/pg/model/group.h>
+#include <eedb/db/pg/model/parameter.h>
 #include <eedb/db/pg/model/stat.h>
 #include <eedb/db/pg/model/system_info.h>
+#include <eedb/db/pg/model/unit.h>
 #include <eedb/db/pg/model/user_audit.h>
 
-constexpr eedb::user_audit t_user_audit;
 constexpr eedb::auth_identity t_auth_identity;
 constexpr eedb::auth_info t_auth_info;
 constexpr eedb::auth_token t_auth_token;
-constexpr eedb::group t_group;
 constexpr eedb::category t_category;
+constexpr eedb::group t_group;
+constexpr eedb::parameter t_parameter;
+constexpr eedb::stat t_stat;
+constexpr eedb::system_info t_system_info;
+constexpr eedb::unit t_unit;
+constexpr eedb::user_audit t_user_audit;

src/libs/db/postgresql_connector/include/eedb/db/pg/model/category_items.h

@@ -0,0 +1,60 @@
+#ifndef EEDB_CATEGORY_ITEMS_H
+#define EEDB_CATEGORY_ITEMS_H
+
+#include <sqlpp11/table.h>
+#include <sqlpp11/char_sequence.h>
+#include <sqlpp11/column_types.h>
+
+namespace eedb {
+
+	namespace category_items_ {
+
+		struct Category_id {
+			struct _alias_t {
+				static constexpr const char _literal[] = R"("category_id")";
+				using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+				template<typename T>
+					struct _member_t {
+						T category_id;
+						T &operator()() { return category_id; }
+						const T &operator()() const { return category_id; }
+					};
+			};
+
+			using _traits = ::sqlpp::make_traits<::sqlpp::integer, sqlpp::tag::require_insert>;
+		};
+
+		struct Item_id {
+			struct _alias_t {
+				static constexpr const char _literal[] = R"("item_id")";
+				using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+				template<typename T>
+					struct _member_t {
+						T item_id;
+						T &operator()() { return item_id; }
+						const T &operator()() const { return item_id; }
+					};
+			};
+
+			using _traits = ::sqlpp::make_traits<::sqlpp::integer, sqlpp::tag::require_insert>;
+		};
+	}
+
+	struct category_items : sqlpp::table_t<category_items,
+				category_items_::Category_id,
+				category_items_::Item_id> {
+		using _value_type = sqlpp::no_value_t;
+		struct _alias_t {
+			static constexpr const char _literal[] = R"("category_items")";
+			using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+			template<typename T>
+				struct _member_t {
+					T category_items;
+					T &operator()() { return category_items; }
+					const T &operator()() const { return category_items; }
+				};
+		};
+	};
+}
+
+#endif

src/libs/db/postgresql_connector/include/eedb/db/pg/model/item.h

@@ -0,0 +1,252 @@
+#ifndef EEDB_ITEM_H
+#define EEDB_ITEM_H
+
+#include <sqlpp11/table.h>
+#include <sqlpp11/char_sequence.h>
+#include <sqlpp11/column_types.h>
+
+namespace eedb {
+
+	namespace item_ {
+
+		struct Id {
+			struct _alias_t {
+				static constexpr const char _literal[] = R"("id")";
+				using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+				template<typename T>
+					struct _member_t {
+						T id;
+						T &operator()() { return id; }
+						const T &operator()() const { return id; }
+					};
+			};
+
+			using _traits = ::sqlpp::make_traits<::sqlpp::integer>;
+		};
+
+		struct Owner {
+			struct _alias_t {
+				static constexpr const char _literal[] = R"("owner")";
+				using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+				template<typename T>
+					struct _member_t {
+						T owner;
+						T &operator()() { return owner; }
+						const T &operator()() const { return owner; }
+					};
+			};
+
+			using _traits = ::sqlpp::make_traits<::sqlpp::integer>;
+		};
+
+		struct Group {
+			struct _alias_t {
+				static constexpr const char _literal[] = R"("group")";
+				using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+				template<typename T>
+					struct _member_t {
+						T group;
+						T &operator()() { return group; }
+						const T &operator()() const { return group; }
+					};
+			};
+
+			using _traits = ::sqlpp::make_traits<::sqlpp::integer>;
+		};
+
+		struct Unixperms {
+			struct _alias_t {
+				static constexpr const char _literal[] = R"("unixperms")";
+				using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+				template<typename T>
+					struct _member_t {
+						T unixperms;
+						T &operator()() { return unixperms; }
+						const T &operator()() const { return unixperms; }
+					};
+			};
+
+			using _traits = ::sqlpp::make_traits<::sqlpp::integer>;
+		};
+
+		struct Status {
+			struct _alias_t {
+				static constexpr const char _literal[] = R"("status")";
+				using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+				template<typename T>
+					struct _member_t {
+						T status;
+						T &operator()() { return status; }
+						const T &operator()() const { return status; }
+					};
+			};
+
+			using _traits = ::sqlpp::make_traits<::sqlpp::integer>;
+		};
+
+		struct Name {
+			struct _alias_t {
+				static constexpr const char _literal[] = R"("name")";
+				using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+				template<typename T>
+					struct _member_t {
+						T name;
+						T &operator()() { return name; }
+						const T &operator()() const { return name; }
+					};
+			};
+
+			using _traits = ::sqlpp::make_traits<::sqlpp::text, sqlpp::tag::require_insert>;
+		};
+
+		struct Created {
+			struct _alias_t {
+				static constexpr const char _literal[] = R"("created")";
+				using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+				template<typename T>
+					struct _member_t {
+						T created;
+						T &operator()() { return created; }
+						const T &operator()() const { return created; }
+					};
+			};
+
+			using _traits = ::sqlpp::make_traits<::sqlpp::time_point>;
+		};
+
+		struct Updated {
+			struct _alias_t {
+				static constexpr const char _literal[] = R"("updated")";
+				using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+				template<typename T>
+					struct _member_t {
+						T updated;
+						T &operator()() { return updated; }
+						const T &operator()() const { return updated; }
+					};
+			};
+
+			using _traits = ::sqlpp::make_traits<::sqlpp::time_point, sqlpp::tag::can_be_null>;
+		};
+
+		struct Symbol {
+			struct _alias_t {
+				static constexpr const char _literal[] = R"("symbol")";
+				using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+				template<typename T>
+					struct _member_t {
+						T symbol;
+						T &operator()() { return symbol; }
+						const T &operator()() const { return symbol; }
+					};
+			};
+
+			using _traits = ::sqlpp::make_traits<::sqlpp::text, sqlpp::tag::require_insert>;
+		};
+
+		struct Original_symbol {
+			struct _alias_t {
+				static constexpr const char _literal[] = R"("original_symbol")";
+				using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+				template<typename T>
+					struct _member_t {
+						T original_symbol;
+						T &operator()() { return original_symbol; }
+						const T &operator()() const { return original_symbol; }
+					};
+			};
+
+			using _traits = ::sqlpp::make_traits<::sqlpp::text, sqlpp::tag::can_be_null>;
+		};
+
+		struct Producer {
+			struct _alias_t {
+				static constexpr const char _literal[] = R"("producer")";
+				using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+				template<typename T>
+					struct _member_t {
+						T producer;
+						T &operator()() { return producer; }
+						const T &operator()() const { return producer; }
+					};
+			};
+
+			using _traits = ::sqlpp::make_traits<::sqlpp::text, sqlpp::tag::can_be_null>;
+		};
+
+		struct Attributes {
+			struct _alias_t {
+				static constexpr const char _literal[] = R"("attributes")";
+				using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+				template<typename T>
+					struct _member_t {
+						T attributes;
+						T &operator()() { return attributes; }
+						const T &operator()() const { return attributes; }
+					};
+			};
+
+			using _traits = ::sqlpp::make_traits<::sqlpp::text>;
+		};
+
+		struct Short_desc {
+			struct _alias_t {
+				static constexpr const char _literal[] = R"("short_desc")";
+				using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+				template<typename T>
+					struct _member_t {
+						T short_desc;
+						T &operator()() { return short_desc; }
+						const T &operator()() const { return short_desc; }
+					};
+			};
+
+			using _traits = ::sqlpp::make_traits<::sqlpp::text, sqlpp::tag::can_be_null>;
+		};
+
+		struct Description {
+			struct _alias_t {
+				static constexpr const char _literal[] = R"("description")";
+				using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+				template<typename T>
+					struct _member_t {
+						T description;
+						T &operator()() { return description; }
+						const T &operator()() const { return description; }
+					};
+			};
+
+			using _traits = ::sqlpp::make_traits<::sqlpp::text, sqlpp::tag::can_be_null>;
+		};
+	}
+
+	struct item : sqlpp::table_t<item,
+				item_::Id,
+				item_::Owner,
+				item_::Group,
+				item_::Unixperms,
+				item_::Status,
+				item_::Name,
+				item_::Created,
+				item_::Updated,
+				item_::Symbol,
+				item_::Original_symbol,
+				item_::Producer,
+				item_::Attributes,
+				item_::Short_desc,
+				item_::Description> {
+		using _value_type = sqlpp::no_value_t;
+		struct _alias_t {
+			static constexpr const char _literal[] = R"("item")";
+			using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+			template<typename T>
+				struct _member_t {
+					T item;
+					T &operator()() { return item; }
+					const T &operator()() const { return item; }
+				};
+		};
+	};
+}
+
+#endif

src/libs/db/postgresql_connector/include/eedb/db/pg/model/parameter.h

@@ -0,0 +1,188 @@
+#ifndef EEDB_PARAMETER_H
+#define EEDB_PARAMETER_H
+
+#include <sqlpp11/table.h>
+#include <sqlpp11/char_sequence.h>
+#include <sqlpp11/column_types.h>
+
+namespace eedb {
+
+	namespace parameter_ {
+
+		struct Id {
+			struct _alias_t {
+				static constexpr const char _literal[] = R"("id")";
+				using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+				template<typename T>
+					struct _member_t {
+						T id;
+						T &operator()() { return id; }
+						const T &operator()() const { return id; }
+					};
+			};
+
+			using _traits = ::sqlpp::make_traits<::sqlpp::integer>;
+		};
+
+		struct Owner {
+			struct _alias_t {
+				static constexpr const char _literal[] = R"("owner")";
+				using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+				template<typename T>
+					struct _member_t {
+						T owner;
+						T &operator()() { return owner; }
+						const T &operator()() const { return owner; }
+					};
+			};
+
+			using _traits = ::sqlpp::make_traits<::sqlpp::integer>;
+		};
+
+		struct Group {
+			struct _alias_t {
+				static constexpr const char _literal[] = R"("group")";
+				using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+				template<typename T>
+					struct _member_t {
+						T group;
+						T &operator()() { return group; }
+						const T &operator()() const { return group; }
+					};
+			};
+
+			using _traits = ::sqlpp::make_traits<::sqlpp::integer>;
+		};
+
+		struct Unixperms {
+			struct _alias_t {
+				static constexpr const char _literal[] = R"("unixperms")";
+				using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+				template<typename T>
+					struct _member_t {
+						T unixperms;
+						T &operator()() { return unixperms; }
+						const T &operator()() const { return unixperms; }
+					};
+			};
+
+			using _traits = ::sqlpp::make_traits<::sqlpp::integer>;
+		};
+
+		struct Status {
+			struct _alias_t {
+				static constexpr const char _literal[] = R"("status")";
+				using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+				template<typename T>
+					struct _member_t {
+						T status;
+						T &operator()() { return status; }
+						const T &operator()() const { return status; }
+					};
+			};
+
+			using _traits = ::sqlpp::make_traits<::sqlpp::integer>;
+		};
+
+		struct Name {
+			struct _alias_t {
+				static constexpr const char _literal[] = R"("name")";
+				using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+				template<typename T>
+					struct _member_t {
+						T name;
+						T &operator()() { return name; }
+						const T &operator()() const { return name; }
+					};
+			};
+
+			using _traits = ::sqlpp::make_traits<::sqlpp::text, sqlpp::tag::require_insert>;
+		};
+
+		struct Created {
+			struct _alias_t {
+				static constexpr const char _literal[] = R"("created")";
+				using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+				template<typename T>
+					struct _member_t {
+						T created;
+						T &operator()() { return created; }
+						const T &operator()() const { return created; }
+					};
+			};
+
+			using _traits = ::sqlpp::make_traits<::sqlpp::time_point>;
+		};
+
+		struct Updated {
+			struct _alias_t {
+				static constexpr const char _literal[] = R"("updated")";
+				using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+				template<typename T>
+					struct _member_t {
+						T updated;
+						T &operator()() { return updated; }
+						const T &operator()() const { return updated; }
+					};
+			};
+
+			using _traits = ::sqlpp::make_traits<::sqlpp::time_point, sqlpp::tag::can_be_null>;
+		};
+
+		struct Unit_id {
+			struct _alias_t {
+				static constexpr const char _literal[] = R"("unit_id")";
+				using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+				template<typename T>
+					struct _member_t {
+						T unit_id;
+						T &operator()() { return unit_id; }
+						const T &operator()() const { return unit_id; }
+					};
+			};
+
+			using _traits = ::sqlpp::make_traits<::sqlpp::integer, sqlpp::tag::can_be_null>;
+		};
+
+		struct Description {
+			struct _alias_t {
+				static constexpr const char _literal[] = R"("description")";
+				using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+				template<typename T>
+					struct _member_t {
+						T description;
+						T &operator()() { return description; }
+						const T &operator()() const { return description; }
+					};
+			};
+
+			using _traits = ::sqlpp::make_traits<::sqlpp::text, sqlpp::tag::can_be_null>;
+		};
+	}
+
+	struct parameter : sqlpp::table_t<parameter,
+				parameter_::Id,
+				parameter_::Owner,
+				parameter_::Group,
+				parameter_::Unixperms,
+				parameter_::Status,
+				parameter_::Name,
+				parameter_::Created,
+				parameter_::Updated,
+				parameter_::Unit_id,
+				parameter_::Description> {
+		using _value_type = sqlpp::no_value_t;
+		struct _alias_t {
+			static constexpr const char _literal[] = R"("parameter")";
+			using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+			template<typename T>
+				struct _member_t {
+					T parameter;
+					T &operator()() { return parameter; }
+					const T &operator()() const { return parameter; }
+				};
+		};
+	};
+}
+
+#endif

src/libs/db/postgresql_connector/include/eedb/db/pg/model/unit.h

@@ -0,0 +1,204 @@
+#ifndef EEDB_UNIT_H
+#define EEDB_UNIT_H
+
+#include <sqlpp11/table.h>
+#include <sqlpp11/char_sequence.h>
+#include <sqlpp11/column_types.h>
+
+namespace eedb {
+
+	namespace unit_ {
+
+		struct Id {
+			struct _alias_t {
+				static constexpr const char _literal[] = R"("id")";
+				using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+				template<typename T>
+					struct _member_t {
+						T id;
+						T &operator()() { return id; }
+						const T &operator()() const { return id; }
+					};
+			};
+
+			using _traits = ::sqlpp::make_traits<::sqlpp::integer>;
+		};
+
+		struct Owner {
+			struct _alias_t {
+				static constexpr const char _literal[] = R"("owner")";
+				using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+				template<typename T>
+					struct _member_t {
+						T owner;
+						T &operator()() { return owner; }
+						const T &operator()() const { return owner; }
+					};
+			};
+
+			using _traits = ::sqlpp::make_traits<::sqlpp::integer>;
+		};
+
+		struct Group {
+			struct _alias_t {
+				static constexpr const char _literal[] = R"("group")";
+				using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+				template<typename T>
+					struct _member_t {
+						T group;
+						T &operator()() { return group; }
+						const T &operator()() const { return group; }
+					};
+			};
+
+			using _traits = ::sqlpp::make_traits<::sqlpp::integer>;
+		};
+
+		struct Unixperms {
+			struct _alias_t {
+				static constexpr const char _literal[] = R"("unixperms")";
+				using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+				template<typename T>
+					struct _member_t {
+						T unixperms;
+						T &operator()() { return unixperms; }
+						const T &operator()() const { return unixperms; }
+					};
+			};
+
+			using _traits = ::sqlpp::make_traits<::sqlpp::integer>;
+		};
+
+		struct Status {
+			struct _alias_t {
+				static constexpr const char _literal[] = R"("status")";
+				using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+				template<typename T>
+					struct _member_t {
+						T status;
+						T &operator()() { return status; }
+						const T &operator()() const { return status; }
+					};
+			};
+
+			using _traits = ::sqlpp::make_traits<::sqlpp::integer>;
+		};
+
+		struct Name {
+			struct _alias_t {
+				static constexpr const char _literal[] = R"("name")";
+				using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+				template<typename T>
+					struct _member_t {
+						T name;
+						T &operator()() { return name; }
+						const T &operator()() const { return name; }
+					};
+			};
+
+			using _traits = ::sqlpp::make_traits<::sqlpp::text, sqlpp::tag::require_insert>;
+		};
+
+		struct Created {
+			struct _alias_t {
+				static constexpr const char _literal[] = R"("created")";
+				using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+				template<typename T>
+					struct _member_t {
+						T created;
+						T &operator()() { return created; }
+						const T &operator()() const { return created; }
+					};
+			};
+
+			using _traits = ::sqlpp::make_traits<::sqlpp::time_point>;
+		};
+
+		struct Updated {
+			struct _alias_t {
+				static constexpr const char _literal[] = R"("updated")";
+				using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+				template<typename T>
+					struct _member_t {
+						T updated;
+						T &operator()() { return updated; }
+						const T &operator()() const { return updated; }
+					};
+			};
+
+			using _traits = ::sqlpp::make_traits<::sqlpp::time_point, sqlpp::tag::can_be_null>;
+		};
+
+		struct Symbol {
+			struct _alias_t {
+				static constexpr const char _literal[] = R"("symbol")";
+				using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+				template<typename T>
+					struct _member_t {
+						T symbol;
+						T &operator()() { return symbol; }
+						const T &operator()() const { return symbol; }
+					};
+			};
+
+			using _traits = ::sqlpp::make_traits<::sqlpp::text, sqlpp::tag::require_insert>;
+		};
+
+		struct Description {
+			struct _alias_t {
+				static constexpr const char _literal[] = R"("description")";
+				using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+				template<typename T>
+					struct _member_t {
+						T description;
+						T &operator()() { return description; }
+						const T &operator()() const { return description; }
+					};
+			};
+
+			using _traits = ::sqlpp::make_traits<::sqlpp::text, sqlpp::tag::can_be_null>;
+		};
+
+		struct Dimension_symbol {
+			struct _alias_t {
+				static constexpr const char _literal[] = R"("dimension_symbol")";
+				using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+				template<typename T>
+					struct _member_t {
+						T dimension_symbol;
+						T &operator()() { return dimension_symbol; }
+						const T &operator()() const { return dimension_symbol; }
+					};
+			};
+
+			using _traits = ::sqlpp::make_traits<::sqlpp::text, sqlpp::tag::can_be_null>;
+		};
+	}
+
+	struct unit : sqlpp::table_t<unit,
+				unit_::Id,
+				unit_::Owner,
+				unit_::Group,
+				unit_::Unixperms,
+				unit_::Status,
+				unit_::Name,
+				unit_::Created,
+				unit_::Updated,
+				unit_::Symbol,
+				unit_::Description,
+				unit_::Dimension_symbol> {
+		using _value_type = sqlpp::no_value_t;
+		struct _alias_t {
+			static constexpr const char _literal[] = R"("unit")";
+			using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
+			template<typename T>
+				struct _member_t {
+					T unit;
+					T &operator()() { return unit; }
+					const T &operator()() const { return unit; }
+				};
+		};
+	};
+}
+
+#endif

src/libs/db/postgresql_connector/mock/include/eedb/mock/db/pg/CategoriesMock.hpp

@@ -5,7 +5,8 @@
 #define CATEGORIESMOCK_HPP
 
 #include <gmock/gmock.h>
-#include "././eedb/db/Category.hpp"
+
+#include <eedb/db/Category.hpp>
 
 namespace eedb {
 

src/libs/db/postgresql_connector/mock/include/eedb/mock/db/pg/CategoryMock.hpp

@@ -1,22 +1,52 @@
-/*
- * file generated by gmock: CategoryMock.hpp
- */
-#ifndef CATEGORYMOCK_HPP
-#define CATEGORYMOCK_HPP
+#pragma once
 
-#include <eedb/db/Category.hpp>
 #include <gmock/gmock.h>
 
-namespace eedb {
+#include <eedb/mock/db/CategoryMock.hpp>
+
+#include <eedb/db/pg/connection.hpp>
+#include <eedb/db/pg/model/all.hpp>
+
+#include <sqlpp11/postgresql/insert.h>
+#include <sqlpp11/sqlpp11.h>
+
+namespace eedb::db::pg {
+
+class CategoryMock : public ::eedb::CategoryMock {
+    auto _createChild(int64_t parentId, std::string name) {
+        return _db(sqlpp::postgresql::insert_into(t_category) //
+                     .set(t_category.name = name, t_category.parent_id = parentId)
+                     .returning(t_category.id))
+          .front()
+          .id;
+    }
+
+    void _root_guard() {
+        if(!_root_id)
+            _initRoot();
+    }
 
-class CategoryMock : public Category {
   public:
-    MOCK_CONST_METHOD0(display_name, std::string_view());
-    MOCK_CONST_METHOD0(parent, Category *());
-    MOCK_CONST_METHOD2(create, std::unique_ptr< Category >(std::string, std::string));
-    MOCK_CONST_METHOD0(children, std::unique_ptr< Categories >());
+    CategoryMock(PgConnection & db) : _db{db} {}
+
+    void _init_simple(std::string name) {
+        _root_guard();
+        _createChild(_root_id, name);
+    }
+
+    void _initRoot() {
+        using namespace testing;
+        _root_id = _db(sqlpp::postgresql::insert_into(t_category) //
+                         .set(t_category.name = "root", t_category.parent_id = sqlpp::null)
+                         .returning(t_category.id))
+                     .front()
+                     .id;
+    }
+
+  private:
+    PgConnection & _db;
+
+    int64_t _root_id{0};
 };
 
-} // namespace eedb
-
-#endif // CATEGORYMOCK_HPP
+} // namespace eedb::db::pg

src/libs/db/postgresql_connector/mock/include/eedb/mock/db/pg/ItemMock.hpp

@@ -1,21 +1,15 @@
-/*
- * file generated by gmock: ItemMock.hpp
- */
-#ifndef ITEMMOCK_HPP
-#define ITEMMOCK_HPP
+#pragma once
 
 #include <gmock/gmock.h>
-#include "././eedb/db/Item.hpp"
 
-namespace eedb {
+#include <eedb/mock/db/ItemMock.hpp>
 
-class ItemMock : public Item
+namespace eedb::db {
+
+class PgItemMock : public ::eedb::ItemMock
 {
 public:
-    MOCK_CONST_METHOD0(values, Values&());
 };
 
 } // namespace eedb
 
-#endif // ITEMMOCK_HPP
-

src/libs/db/postgresql_connector/mock/include/eedb/mock/db/pg/ParameterMock.hpp

@@ -0,0 +1,8 @@
+#pragma once
+
+#include <eedb/mock/db/ParameterMock.hpp>
+
+namespace eedb::db::pg {
+
+class ParameterMock : public ::eedb::ParameterMock {};
+} // namespace eedb::db::pg

src/libs/db/postgresql_connector/mock/include/eedb/mock/db/pg/UserMock.hpp

@@ -12,12 +12,12 @@
 
 #include <eedb/db/AuthIdentityConst.hpp>
 
-namespace eedb::db {
+namespace eedb::db::pg {
 
 class UserMock : public ::eedb::UserMock {
   public:
     /// TODO chenge to transaction
-    UserMock(db::PgConnection & db) : _db{db} {}
+    UserMock(PgConnection & db) : _db{db} {}
 
     void _init() {
         using namespace testing;
@@ -48,9 +48,7 @@ class UserMock : public ::eedb::UserMock {
 
   private:
     int64_t _id;
-    db::PgConnection & _db;
+    PgConnection & _db;
 };
 
-class PgUserMock : public UserMock {};
-
-} // namespace eedb::db
+} // namespace eedb::db::pg

src/libs/db/postgresql_connector/src/data/PgItemsRepository.cpp

@@ -0,0 +1,24 @@
+#include <eedb/db/pg/PgItemsRepository.hpp>
+
+#include <eedb/db/Parameter.hpp>
+#include <eedb/Value.hpp>
+#include <eedb/db/User.hpp>
+
+namespace eedb {
+struct PgItemsRepository::PgItemsRepositoryPriv {};
+
+PgItemsRepository::PgItemsRepository(db::PgConnection & db, User * owner) : _priv{spimpl::make_unique_impl< PgItemsRepositoryPriv >()} {}
+
+std::unique_ptr< Item > PgItemsRepository::create(item::Identyfier id, Values values, std::optional< item::Foto >) const {
+    //
+}
+
+std::unique_ptr< Items > PgItemsRepository::search(const ItemQueryFilters & filer) const {
+    //
+}
+
+Parameters PgItemsRepository::listParameters(const Category *) const {
+    //
+}
+
+} // namespace eedb

src/libs/db/postgresql_connector/test/test_eedb_data_PgAuthIdentities.cpp

@@ -24,7 +24,7 @@ class PgAuthIdentitiesTest : public DbTestBase< PgAuthIdentitiesTest > {
     }
 
   protected:
-    eedb::db::UserMock user;
+    eedb::db::pg::UserMock user;
     std::unique_ptr< eedb::PgAuthIdentities > sut;
 };
 

src/libs/db/postgresql_connector/test/test_eedb_data_PgAuthToken.cpp

@@ -44,7 +44,7 @@ class PgAuthTokenTest : public DbTestBase< PgAuthTokenTest > {
     }
 
   protected:
-    eedb::db::UserMock user;
+    eedb::db::pg::UserMock user;
 
     int64_t sutId;
     std::unique_ptr< eedb::PgAuthToken > sut;

src/libs/db/postgresql_connector/test/test_eedb_data_PgAuthTokens.cpp

@@ -28,7 +28,7 @@ class PgAuthTokensTest : public DbTestBase< PgAuthTokensTest > {
     }
 
   protected:
-    eedb::db::UserMock user;
+    eedb::db::pg::UserMock user;
     std::unique_ptr< eedb::PgAuthTokens > sut;
 };
 

src/libs/db/postgresql_connector/test/test_eedb_data_PgCategories.cpp

@@ -19,7 +19,7 @@ class PgCategoriesTest : public DbTestBase< PgCategoriesTest > {
     }
 
   protected:
-    std::vector< UniquePtrMockWrapper< eedb::CategoryMock > > _categories;
+//    std::vector< UniquePtrMockWrapper< eedb::db:: > > _categories;
 
     std::unique_ptr< eedb::PgCategories > sut;
 };

src/libs/db/postgresql_connector/test/test_eedb_data_PgCategoriesRepository.cpp

@@ -20,7 +20,7 @@ class PgCategoriesRepositoryTest : public DbTestBase< PgCategoriesRepositoryTest
     }
 
   protected:
-    eedb::db::UserMock user;
+    eedb::db::pg::UserMock user;
     std::unique_ptr< eedb::PgCategoriesRepository > sut;
 };
 

src/libs/db/postgresql_connector/test/test_eedb_data_PgCategory.cpp

@@ -24,7 +24,7 @@ class PgCategoryTest : public DbTestBase< PgCategoryTest > {
     }
 
   protected:
-    eedb::db::UserMock user;
+    eedb::db::pg::UserMock user;
     std::unique_ptr< eedb::PgCategory > sut;
 };
 

src/libs/db/postgresql_connector/test/test_eedb_data_PgItemsRepository.cpp

@@ -0,0 +1,40 @@
+#include <gmock/gmock.h>
+
+#include <eedb/db/pg/PgItemsRepository.hpp>
+
+#include <eedb/db/pg/model/all.hpp>
+#include <sqlpp11/sqlpp11.h>
+
+#include "DbTestBase.hpp"
+
+#include <eedb/mock/db/pg/CategoryMock.hpp>
+#include <eedb/mock/db/pg/ItemMock.hpp>
+#include <eedb/mock/db/pg/ParameterMock.hpp>
+#include <eedb/mock/db/pg/UserMock.hpp>
+
+class PgItemsRepositoryTest : public DbTestBase< PgItemsRepositoryTest > {
+  public:
+    PgItemsRepositoryTest() : user{db()}, category{db()} {
+        using namespace testing;
+        db().native()->start_transaction();
+        user._init(); // create fake user
+        category._init_simple("main");
+    }
+
+    ~PgItemsRepositoryTest() {
+        db().native()->rollback_transaction(false);
+    }
+
+  protected:
+    eedb::db::pg::UserMock user;
+    eedb::db::pg::CategoryMock category;
+    eedb::db::pg::ParameterMock parameter;
+
+    int64_t sutId;
+    std::unique_ptr< eedb::PgItemsRepository > sut;
+};
+
+template <>
+std::unique_ptr< PgTestDatabasePrepare > DbTestBase< PgItemsRepositoryTest >::_test_db = {};
+
+TEST_F(PgItemsRepositoryTest, getListOfParameters) {}

src/libs/eedb/include/eedb/Parameter.hpp

@@ -1,13 +0,0 @@
-#pragma once
-
-#include <optional>
-
-#include <eedb/Unit.hpp>
-
-namespace eedb {
-
-class Parameter {
-  public:
-    std::optional< Unit > unit() const {}
-};
-} // namespace eedb

src/libs/eedb/include/eedb/Value.hpp

@@ -4,7 +4,7 @@
 #include <string>
 #include <variant>
 
-#include <eedb/Parameter.hpp>
+#include <eedb/db/Parameter.hpp>
 
 namespace eedb {
 
@@ -67,7 +67,7 @@ class Value {
         return Type::Numeric;
     }
 
-    std::optional< Parameter > parameter() const {}
+    Parameter * parameter() const {}
 
   private:
     std::variant< TextValue, NumericValue > _value;

src/libs/eedb/include/eedb/db/Item.hpp

@@ -1,8 +1,12 @@
 #pragma once
 
+#include <experimental/filesystem>
 #include <memory>
+#include <optional>
 #include <string_view>
 
+#include <boost/range/iterator_range.hpp>
+
 #include <any_iterator/any_iterator.hpp>
 
 namespace eedb {
@@ -18,15 +22,50 @@ class Parameters;
  */
 class ItemQueryFilters {
   public:
-    virtual ~ItemQueryFilters() = 0;
-
     /**
      * @brief category
      * @return null if category is not taken into consideration
      */
-    virtual Category * category() const = 0;
+    Category * category() const;
 };
 
+namespace item {
+
+    class Identyfier {
+      public:
+        std::string_view name() const {
+            return _name;
+        }
+
+        std::string_view producerSymbol() const {
+            return _prod;
+        }
+
+        std::string_view symbol() const {
+            return _sym;
+        }
+
+      private:
+        std::string _name;
+        std::string _prod;
+        std::string _sym;
+    };
+
+    class Foto {
+        using path = std::experimental::filesystem::path;
+
+      public:
+        path thumbnail() const {
+            return _thumbnail;
+        }
+        path photo() const {
+            return _photo;
+        }
+        path _photo;
+        path _thumbnail;
+    };
+} // namespace item
+
 /**
  * @brief The ItemsRepository class
  */
@@ -34,7 +73,13 @@ class ItemsRepository {
   public:
     virtual ~ItemsRepository() = default;
 
-    virtual std::unique_ptr< Item > create(std::string name, std::unique_ptr< Values > value, std::string description) const = 0;
+    /**
+     * @brief create
+     * @param id
+     * @param values
+     * @return
+     */
+    virtual std::unique_ptr< Item > create(item::Identyfier id, Values values, std::optional< item::Foto >) const = 0;
 
     /**
      * @brief search
@@ -42,6 +87,13 @@ class ItemsRepository {
      * @return Items based on given query
      */
     virtual std::unique_ptr< Items > search(const ItemQueryFilters & filer) const = 0;
+
+    /**
+     * @brief listParameters
+     * @param filer
+     * @return
+     */
+    virtual Parameters listParameters(const Category *) const = 0;
 };
 
 /**
@@ -82,6 +134,11 @@ class Items {
  * @brief The Item class
  */
 class Item {
+  protected:
+    using CategoryIterator = IteratorTypeErasure::any_iterator< Category *, std::random_access_iterator_tag, Category * >;
+
+    using CategoriesIt     = boost::iterator_range< CategoryIterator >;
+
   public:
     virtual ~Item() = default;
 
@@ -95,12 +152,19 @@ class Item {
      * @brief assignedUnits
      * @return
      */
-    virtual Values assignedUnits() const = 0;
+    virtual Values values() const = 0;
 
     /**
-     * @brief assignedParameters
+     * @brief attachedToCategories
      * @return
      */
-    virtual Parameters assignedParameters() const = 0;
+    virtual CategoriesIt attachedToCategories() const = 0;
+
+    /**
+     * @brief attach
+     * @param category
+     * @return
+     */
+    virtual bool attach(const Category * category) = 0;
 };
 } // namespace eedb

src/libs/eedb/include/eedb/db/Parameter.hpp

@@ -0,0 +1,36 @@
+#pragma once
+
+#include <optional>
+
+#include <eedb/Unit.hpp>
+
+namespace eedb {
+
+class Parameters{};
+
+/**
+ * @brief The Parameter class
+ */
+class Parameter {
+  public:
+    virtual ~Parameter() = default;
+
+    /**
+     * @brief unit
+     * @return
+     */
+    virtual std::optional< Unit > unit() const = 0;
+
+    /**
+     * @brief name
+     * @return
+     */
+    virtual std::string_view name() const = 0;
+
+    /**
+     * @brief description
+     * @return
+     */
+    virtual std::string_view description() const = 0;
+};
+} // namespace eedb

src/libs/eedb/mock/include/eedb/mock/db/CategoriesMock.hpp

@@ -5,17 +5,16 @@
 #define CATEGORIESMOCK_HPP
 
 #include <gmock/gmock.h>
-#include "././eedb/db/Category.hpp"
+
+#include <eedb/db/Category.hpp>
 
 namespace eedb {
 
-class CategoriesMock : public Categories
-{
-public:
-    MOCK_CONST_METHOD0(size, long());
+class CategoriesMock : public Categories {
+  public:
+
 };
 
 } // namespace eedb
 
 #endif // CATEGORIESMOCK_HPP
-

src/libs/eedb/mock/include/eedb/mock/db/CategoryMock.hpp

@@ -5,14 +5,18 @@
 #define CATEGORYMOCK_HPP
 
 #include <gmock/gmock.h>
-#include "././eedb/db/Category.hpp"
+
+#include <eedb/db/Category.hpp>
 
 namespace eedb {
 
 class CategoryMock : public Category
 {
 public:
-    MOCK_CONST_METHOD0(parent, Category*());
+    MOCK_CONST_METHOD0(displayName, std::string_view());
+    MOCK_CONST_METHOD0(parent, Category *());
+    MOCK_CONST_METHOD2(create, std::unique_ptr< Category >(std::string, std::string));
+    MOCK_CONST_METHOD0(children, std::unique_ptr< Categories >());
 };
 
 } // namespace eedb

src/libs/eedb/mock/include/eedb/mock/db/ItemMock.hpp

@@ -5,17 +5,21 @@
 #define ITEMMOCK_HPP
 
 #include <gmock/gmock.h>
-#include "././eedb/db/Item.hpp"
+
+#include <eedb/db/Item.hpp>
+
+#include <eedb/Value.hpp>
+#include <eedb/db/Parameter.hpp>
 
 namespace eedb {
 
-class ItemMock : public Item
-{
-public:
-    MOCK_CONST_METHOD0(values, Values&());
+class ItemMock : public Item {
+  public:
+    MOCK_CONST_METHOD0(displayName, std::string_view());
+    MOCK_CONST_METHOD0(assignedUnits, Values());
+    MOCK_CONST_METHOD0(assignedParameters, Parameters());
 };
 
 } // namespace eedb
 
 #endif // ITEMMOCK_HPP
-

src/libs/eedb/mock/include/eedb/mock/db/ParameterMock.hpp

@@ -0,0 +1,16 @@
+#pragma once
+
+#include <gmock/gmock.h>
+
+#include <eedb/db/Parameter.hpp>
+
+namespace eedb {
+
+class ParameterMock : public Parameter {
+  public:
+    MOCK_CONST_METHOD0(unit, std::optional< Unit >());
+    MOCK_CONST_METHOD0(name, std::string_view());
+    MOCK_CONST_METHOD0(description, std::string_view());
+};
+
+} // namespace eedb