32 lines
667 B
D
32 lines
667 B
D
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module util.repository;
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import handy_httpd.components.optional;
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import d2sqlite3;
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import util.sqlite;
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class CrudRepository(T, string table)
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if (__traits(hasMember, T, "id")) {
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protected Database db;
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this(Database db) {
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this.db = db;
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}
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abstract T parseResult(Row r);
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Optional!T findById(ulong id) {
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return util.sqlite.findById(db, table, &parseResult, id);
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}
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bool existsById(ulong id) {
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return util.sqlite.exists(
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db,
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"SELECT id FROM " ~ table ~ " WHERE id = ?",
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id
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);
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}
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void deleteById(ulong id) {
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util.sqlite.deleteById(db, table, id);
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}
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}
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