Added team database model.

database.go

@@ -0,0 +1,58 @@
+// Copyright 2014 Team 254. All Rights Reserved.
+// Author: pat@patfairbank.com (Patrick Fairbank)
+//
+// Functions for manipulating the per-event SQLite datastore.
+
+package main
+
+import (
+	"bitbucket.org/liamstask/goose/lib/goose"
+	"database/sql"
+	"github.com/jmoiron/modl"
+	_ "github.com/mattn/go-sqlite3"
+)
+
+const migrationsDir = "db/migrations"
+
+type Database struct {
+	path    string
+	db      *sql.DB
+	teamMap *modl.DbMap
+}
+
+// Opens the SQLite database at the given path, creating it if it doesn't exist, and runs any pending
+// migrations.
+func OpenDatabase(path string) (*Database, error) {
+	// Find and run the migrations using goose. This also auto-creates the DB.
+	dbDriver := goose.DBDriver{"sqlite3", path, "github.com/mattn/go-sqlite3", &goose.Sqlite3Dialect{}}
+	dbConf := goose.DBConf{migrationsDir, "prod", dbDriver}
+	target, err := goose.GetMostRecentDBVersion(migrationsDir)
+	if err != nil {
+		return nil, err
+	}
+	err = goose.RunMigrations(&dbConf, migrationsDir, target)
+	if err != nil {
+		return nil, err
+	}
+
+	db, err := sql.Open("sqlite3", path)
+	if err != nil {
+		return nil, err
+	}
+	database := Database{path: path, db: db}
+	database.mapTables()
+
+	return &database, nil
+}
+
+func (database *Database) Close() {
+	database.db.Close()
+}
+
+// Sets up table-object associations.
+func (database *Database) mapTables() {
+	dialect := new(modl.SqliteDialect)
+
+	database.teamMap = modl.NewDbMap(database.db, dialect)
+	database.teamMap.AddTableWithName(Team{}, "teams").SetKeys(false, "Id")
+}