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authorMetroWind <chris.corsair@gmail.com>2025-09-07 09:42:33 -0700
committerMetroWind <chris.corsair@gmail.com>2025-09-07 09:42:33 -0700
commitea0d3220db995018335c48eb06b9794235ff436b (patch)
tree892564cdd4946c6ee9c1051bc31ff5c7bba6ddf1 /src/data.cpp
Initial commit, mostly just copied from shrt.
Diffstat (limited to 'src/data.cpp')
-rw-r--r--src/data.cpp54
1 files changed, 54 insertions, 0 deletions
diff --git a/src/data.cpp b/src/data.cpp
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index 0000000..78cb500
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+++ b/src/data.cpp
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1#include <memory>
2#include <string>
3#include <expected>
4
5#include <mw/database.hpp>
6#include <mw/error.hpp>
7#include <mw/utils.hpp>
8
9#include "data.hpp"
10
11namespace
12{
13
14} // namespace
15
16mw::E<std::unique_ptr<DataSourceSQLite>>
17DataSourceSQLite::fromFile(const std::string& db_file)
18{
19 auto data_source = std::make_unique<DataSourceSQLite>();
20 ASSIGN_OR_RETURN(data_source->db, mw::SQLite::connectFile(db_file));
21
22 // Perform schema upgrade here.
23 //
24 // data_source->upgradeSchema1To2();
25
26 // Update this line when schema updates.
27 DO_OR_RETURN(data_source->setSchemaVersion(1));
28 DO_OR_RETURN(data_source->db->execute(
29 "CREATE TABLE IF NOT EXISTS Users "
30 "(id INTEGER PRIMARY KEY, openid_uid TEXT, name TEXT);"));
31 DO_OR_RETURN(data_source->db->execute(
32 "CREATE TABLE IF NOT EXISTS LinkItems "
33 "(id INTEGER PRIMARY KEY,"
34 " FOREIGN KEY(owner_id) REFERENCES Users(id) NOT NULL,"
35 " FOREIGN KEY(parent_id) REFERENCES LinkItems(id),"
36 " name TEXT NOT NULL, url TEXT, description TEXT,"
37 " visibility INTEGER NOT NULL, time INTEGER NOT NULL);"));
38 return data_source;
39}
40
41mw::E<std::unique_ptr<DataSourceSQLite>> DataSourceSQLite::newFromMemory()
42{
43 return fromFile(":memory:");
44}
45
46mw::E<int64_t> DataSourceSQLite::getSchemaVersion() const
47{
48 return db->evalToValue<int64_t>("PRAGMA user_version;");
49}
50
51mw::E<void> DataSourceSQLite::setSchemaVersion(int64_t v) const
52{
53 return db->execute(std::format("PRAGMA user_version = {};", v));
54}