49 lines
2.3 KiB
C#
49 lines
2.3 KiB
C#
using Microsoft.Extensions.Logging;
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using ZLogger;
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namespace SharpChat.SQLite;
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public class SQLiteMigrations(ILogger logger, SQLiteConnection conn) {
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public async Task RunMigrations() {
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long currentVersion = await conn.RunQueryValue<long>("PRAGMA user_version");
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long version = currentVersion;
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async Task doMigration(int expect, Func<Task> action) {
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if(version < expect) {
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logger.ZLogInformation($"Upgrading to version {version}...");
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await action();
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++version;
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}
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};
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await doMigration(1, CreateMessagesTable);
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if(currentVersion != version)
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await conn.RunCommand($"PRAGMA user_version = {version}");
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}
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private async Task CreateMessagesTable() {
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await conn.RunCommand(
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@"CREATE TABLE ""messages"" ("
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+ @"""msg_id"" INTEGER NOT NULL,"
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+ @"""msg_type"" TEXT NOT NULL COLLATE NOCASE,"
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+ @"""msg_created"" TEXT NOT NULL COLLATE NOCASE,"
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+ @"""msg_deleted"" TEXT DEFAULT NULL COLLATE NOCASE,"
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+ @"""msg_channel"" TEXT DEFAULT NULL COLLATE NOCASE,"
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+ @"""msg_sender"" TEXT DEFAULT NULL COLLATE BINARY,"
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+ @"""msg_sender_name"" TEXT DEFAULT NULL COLLATE NOCASE,"
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+ @"""msg_sender_colour"" INTEGER DEFAULT NULL,"
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+ @"""msg_sender_rank"" INTEGER DEFAULT NULL,"
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+ @"""msg_sender_nick"" TEXT DEFAULT NULL COLLATE NOCASE,"
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+ @"""msg_sender_perms"" INTEGER DEFAULT NULL,"
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+ @"""msg_data"" BLOB DEFAULT NULL CHECK(JSON_VALID(""msg_data"") AND JSON_TYPE(""msg_data"") = ""object"") COLLATE BINARY,"
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+ @"PRIMARY KEY(""msg_id"")"
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+ @");"
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);
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await conn.RunCommand(@"CREATE INDEX ""messages_channel_index"" ON ""messages"" (""msg_channel"");");
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await conn.RunCommand(@"CREATE INDEX ""messages_created_index"" ON ""messages"" (""msg_created"");");
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await conn.RunCommand(@"CREATE INDEX ""messages_deleted_index"" ON ""messages"" (""msg_deleted"");");
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await conn.RunCommand(@"CREATE INDEX ""messages_event_type"" ON ""messages"" (""msg_type"");");
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await conn.RunCommand(@"CREATE INDEX ""messages_sender_index"" ON ""messages"" (""msg_sender"");");
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}
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}
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