Began converting to rqlite

database/database.go

@@ -0,0 +1,100 @@
+package database
+
+import (
+	"log"
+
+	"github.com/rqlite/gorqlite"
+)
+
+const NETWORKS_TABLE_NAME = "networks"
+const NODES_TABLE_NAME = "nodes"
+const USERS_TABLE_NAME = "users"
+const DNS_TABLE_NAME = "dns"
+const EXT_CLIENT_TABLE_NAME = "extclients"
+const INT_CLIENTS_TABLE_NAME = "intclients"
+const DATABASE_FILENAME = "netmaker.db"
+
+var Database gorqlite.Connection
+
+func InitializeDatabase() error {
+
+	conn, err := gorqlite.Open("http://")
+	if err != nil {
+		return err
+	}
+
+	// sqliteDatabase, _ := sql.Open("sqlite3", "./database/"+dbFilename)
+	Database = conn
+	Database.SetConsistencyLevel("strong")
+	createTables()
+	return nil
+}
+
+func createTables() {
+	createTable(NETWORKS_TABLE_NAME)
+	createTable(NODES_TABLE_NAME)
+	createTable(USERS_TABLE_NAME)
+	createTable(DNS_TABLE_NAME)
+	createTable(EXT_CLIENT_TABLE_NAME)
+	createTable(INT_CLIENTS_TABLE_NAME)
+}
+
+func createTable(tableName string) error {
+	_, err := Database.WriteOne("CREATE TABLE IF NOT EXISTS " + tableName + " (key TEXT NOT NULL UNIQUE PRIMARY KEY, value TEXT)")
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func Insert(key string, value string, tableName string) error {
+	_, err := Database.WriteOne("INSERT OR REPLACE INTO " + tableName + " (key, value) VALUES ('" + key + "', '" + value + "')")
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func DeleteRecord(tableName string, key string) error {
+	_, err := Database.WriteOne("DELETE FROM " + tableName + " WHERE key = \"" + key + "\"")
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func DeleteAllRecords(tableName string) error {
+	_, err := Database.WriteOne("DELETE TABLE " + tableName)
+	if err != nil {
+		return err
+	}
+	err = createTable(tableName)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func FetchRecord(tableName string, key string) (string, error) {
+	results, err := FetchRecords(tableName)
+	if err != nil {
+		return "", err
+	}
+	return results[key], nil
+}
+
+func FetchRecords(tableName string) (map[string]string, error) {
+	row, err := Database.QueryOne("SELECT * FROM " + tableName + " ORDER BY key")
+	if err != nil {
+		return nil, err
+	}
+	records := make(map[string]string)
+	for row.Next() { // Iterate and fetch the records from result cursor
+		var key string
+		var value string
+		row.Scan(&key, &value)
+		records[key] = value
+	}
+	log.Println(tableName, records)
+	return records, nil
+}