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/* Copyright 2016 Software Freedom Conservancy Inc.
*
* This software is licensed under the GNU Lesser General Public License
* (version 2.1 or later). See the COPYING file in this distribution.
*/
namespace DataImports.FSpot.Db {
/**
* The value object for the "tags" table, representing a single database row.
*/
public class FSpotTagRow : Object {
public int64 tag_id;
public string name;
public int64 category_id;
public bool is_category;
public int sort_priority;
public string stock_icon; // only store stock icons
}
/**
* This class represents the F-Spot tags table.
*/
public class FSpotTagsTable : FSpotDatabaseTable<FSpotTagRow> {
public static const string TABLE_NAME = "Tags";
public static const string PREFIX_STOCK_ICON = "stock_icon:";
public static const string STOCK_ICON_FAV = "stock_icon:emblem-favorite";
public static const string STOCK_ICON_PEOPLE = "stock_icon:emblem-people";
public static const string STOCK_ICON_PLACES = "stock_icon:emblem-places";
public static const string STOCK_ICON_EVENTS = "stock_icon:emblem-event";
private FSpotTableBehavior<FSpotPhotoTagRow> photo_tags_behavior;
public FSpotTagsTable(Sqlite.Database db, FSpotDatabaseBehavior db_behavior) {
base(db);
set_behavior(db_behavior.get_tags_behavior());
photo_tags_behavior = db_behavior.get_photo_tags_behavior();
}
public FSpotTagRow? get_by_id(int64 tag_id) throws DatabaseError {
Sqlite.Statement stmt;
FSpotTagRow? row = null;
string column_list = get_joined_column_list();
string sql = "SELECT %s FROM %s WHERE id=?".printf(column_list, table_name);
int res = fspot_db.prepare_v2(sql, -1, out stmt);
if (res != Sqlite.OK)
throw_error("Statement failed: %s".printf(sql), res);
res = stmt.bind_int64(1, tag_id);
assert(res == Sqlite.OK);
res = stmt.step();
if (res == Sqlite.ROW)
behavior.build_row(stmt, out row);
else if (res == Sqlite.DONE)
message("Could not find tag row with ID %d", (int)tag_id);
return row;
}
public Gee.ArrayList<FSpotTagRow> get_by_photo_id(int64 photo_id) throws DatabaseError {
Gee.ArrayList<FSpotTagRow> rows = new Gee.ArrayList<FSpotTagRow?>();
Sqlite.Statement stmt;
string column_list = get_joined_column_list(true);
string sql = "SELECT %1$s FROM %2$s, %3$s WHERE %3$s.photo_id=? AND %3$s.tag_id = %2$s.id".printf(
column_list, table_name, photo_tags_behavior.get_table_name()
);
int res = fspot_db.prepare_v2(sql, -1, out stmt);
if (res != Sqlite.OK)
throw_error("Statement failed: %s".printf(sql), res);
res = stmt.bind_int64(1, photo_id);
if (res != Sqlite.OK)
throw_error("Bind failed for photo_id", res);
res = stmt.step();
while (res == Sqlite.ROW) {
FSpotTagRow row;
behavior.build_row(stmt, out row);
rows.add(row);
res = stmt.step();
}
return rows;
}
}
public class FSpotTagsV0Behavior : FSpotTableBehavior<FSpotTagRow>, Object {
private static FSpotTagsV0Behavior instance;
private FSpotTagsV0Behavior() {
}
public static FSpotTagsV0Behavior get_instance() {
if (instance == null)
instance = new FSpotTagsV0Behavior();
return instance;
}
public string get_table_name() {
return FSpotTagsTable.TABLE_NAME;
}
public string[] list_columns() {
return { "id", "name", "category_id", "is_category", "sort_priority", "icon" };
}
public void build_row(Sqlite.Statement stmt, out FSpotTagRow row, int offset = 0) {
row = new FSpotTagRow();
row.tag_id = stmt.column_int64(offset + 0);
row.name = stmt.column_text(offset + 1);
row.category_id = stmt.column_int64(offset + 2);
row.is_category = (stmt.column_int(offset + 3) > 0);
row.sort_priority = stmt.column_int(offset + 4);
string icon_str = stmt.column_text(offset + 5);
if (icon_str != null && icon_str.has_prefix(FSpotTagsTable.PREFIX_STOCK_ICON))
row.stock_icon = icon_str;
else
row.stock_icon = "";
}
}
}
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