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249 | -----------------------------------------------------------------------
-- import_country -- Read a Country csv file to update the database
-- Copyright (C) 2011, 2012, 2013 Stephane Carrez
-- Written by Stephane Carrez (Stephane.Carrez@gmail.com)
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
-----------------------------------------------------------------------
with Ada.Text_IO;
with Ada.Command_Line;
with Ada.Strings.Hash;
with Ada.Containers.Indefinite_Hashed_Maps;
with ADO;
with ADO.SQL;
with ADO.Drivers;
with ADO.Sessions;
with ADO.Statements;
with ADO.Sessions.Factory;
with Util.Strings;
with Util.Log.Loggers;
with Util.Serialize.IO.CSV;
with AWA.Countries.Models;
procedure Import_Country is
use Ada.Text_IO;
use Util.Serialize.IO.CSV;
use AWA.Countries.Models;
use Ada.Containers;
use Util.Log;
Log : constant Loggers.Logger := Loggers.Create ("Import_Country");
Country : AWA.Countries.Models.Country_Ref;
DB : ADO.Sessions.Master_Session;
package Country_Map is
new Ada.Containers.Indefinite_Hashed_Maps (Key_Type => String,
Element_Type => AWA.Countries.Models.Country_Ref,
Hash => Ada.Strings.Hash,
Equivalent_Keys => "=");
package Neighbors_Map is
new Ada.Containers.Indefinite_Hashed_Maps (Key_Type => String,
Element_Type => String,
Hash => Ada.Strings.Hash,
Equivalent_Keys => "=");
Countries : Country_Map.Map;
Neighbors : Neighbors_Map.Map;
type CSV_Parser is new Util.Serialize.IO.CSV.Parser with null record;
overriding
procedure Set_Cell (Parser : in out CSV_Parser;
Value : in String;
Row : in Util.Serialize.IO.CSV.Row_Type;
Column : in Util.Serialize.IO.CSV.Column_Type);
overriding
procedure Set_Cell (Parser : in out CSV_Parser;
Value : in String;
Row : in Util.Serialize.IO.CSV.Row_Type;
Column : in Util.Serialize.IO.CSV.Column_Type) is
pragma Unreferenced (Parser, Row);
Query : ADO.SQL.Query;
Found : Boolean;
begin
case Column is
when 1 =>
-- The ISO code is unique, find the country
Query.Bind_Param (1, Value);
Query.Set_Filter ("iso_code = ?");
Country.Find (DB, Query, Found);
if not Found then
-- Build a new country object
Country := AWA.Countries.Models.Null_Country;
Country.Set_Iso_Code (Value);
end if;
Countries.Insert (Value, Country);
when 2 =>
-- Ada.Text_IO.Put_Line ("ISO3: " & Value);
null;
when 3 =>
-- Ada.Text_IO.Put_Line ("ISON: " & Value);
null;
when 4 =>
-- Ada.Text_IO.Put_Line ("FIPS: " & Value);
null;
-- Country name
when 5 =>
Country.Set_Name (Value);
when 6 =>
-- Ada.Text_IO.Put_Line ("Capital: " & Value);
null;
when 7 | 8 => -- Area, Population
null;
-- Country continent
when 9 =>
Country.Set_Continent (Value);
-- Country TLD
when 10 =>
Country.Set_Tld (Value);
-- Country CurrencyCode
when 11 =>
Country.Set_Currency_Code (Value);
-- Country CurrencyName
when 12 =>
Country.Set_Currency (Value);
when 13 | 14 => -- Phone, postal code format
null;
when 15 =>
-- Ada.Text_IO.Put_Line ("Postal regex: " & Value);
null;
-- Country languages
when 16 =>
Country.Set_Languages (Value);
-- Country unique geonameid
when 17 =>
if Value /= "" then
Country.Set_Geonameid (Integer'Value (Value));
end if;
when 18 =>
Country.Save (DB);
Neighbors.Insert (Country.Get_Iso_Code, Value);
when 19 => -- EquivalentFipsCode
null;
when others =>
null;
end case;
exception
when E : others =>
Log.Error ("Column " & Util.Serialize.IO.CSV.Column_Type'Image (Column)
& " value: " & Value, E, True);
raise;
end Set_Cell;
procedure Build_Neighbors is
Stmt : ADO.Statements.Delete_Statement
:= DB.Create_Statement (AWA.Countries.Models.COUNTRY_NEIGHBOR_TABLE);
Iter : Neighbors_Map.Cursor := Neighbors.First;
Count : Natural := 0;
begin
Stmt.Execute;
while Neighbors_Map.Has_Element (Iter) loop
declare
Name : constant String := Neighbors_Map.Key (Iter);
List : constant String := Neighbors_Map.Element (Iter);
Pos : Natural := List'First;
N : Natural;
begin
Country := Countries.Element (Name);
while Pos < List'Last loop
N := Util.Strings.Index (List, ',', Pos);
if N = 0 then
N := List'Last;
else
N := N - 1;
end if;
if Pos < N and then Countries.Contains (List (Pos .. N)) then
declare
Neighbor : AWA.Countries.Models.Country_Neighbor_Ref;
begin
Neighbor.Set_Neighbor_Of (Country);
Neighbor.Set_Neighbor (Countries.Element (List (Pos .. N)));
Neighbor.Save (DB);
Count := Count + 1;
end;
else
Ada.Text_IO.Put_Line ("Country not found: " & List (Pos .. N));
end if;
Pos := N + 2;
end loop;
end;
Neighbors_Map.Next (Iter);
end loop;
Ada.Text_IO.Put_Line ("Created " & Natural'Image (Count) & " country neighbors");
end Build_Neighbors;
Count : constant Natural := Ada.Command_Line.Argument_Count;
Factory : ADO.Sessions.Factory.Session_Factory;
Parser : CSV_Parser;
begin
if Count /= 2 then
Ada.Text_IO.Put_Line ("Usage: import_country config file");
return;
end if;
declare
Config : constant String := Ada.Command_Line.Argument (1);
begin
Util.Log.Loggers.Initialize (Config);
-- Initialize the database drivers.
ADO.Drivers.Initialize (Config);
-- Initialize the session factory to connect to the
-- database defined by 'ado.database' property.
Factory.Create (ADO.Drivers.Get_Config ("database"));
end;
DB := Factory.Get_Master_Session;
DB.Begin_Transaction;
declare
File : constant String := Ada.Command_Line.Argument (2);
begin
Parser.Set_Comment_Separator ('#');
Parser.Set_Field_Separator (ASCII.HT);
Parser.Parse (File);
Ada.Text_IO.Put_Line ("Found " & Count_Type'Image (Countries.Length) & " countries");
Build_Neighbors;
end;
DB.Commit;
end Import_Country;
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