feat(config): projectID from connection string's hostname as config property

Author: danielebriggi

connection.go

@@ -34,6 +34,7 @@ import (
 type SQCloudConfig struct {
 	Host                  string
 	Port                  int
+	ProjectID             string // ProjectID to identify the user's node
 	Username              string
 	Password              string
 	Database              string
@@ -141,6 +142,12 @@ func ParseConnectionString(ConnectionString string) (config *SQCloudConfig, err
 			}
 		}
 
+		// eg: project ID "abvqqetyhq" in "abvqqetyhq.global3.ryujaz.sqlite.cloud"
+		config.ProjectID = strings.Split(config.Host, ".")[0]
+		if config.ProjectID == "" {
+			return nil, fmt.Errorf("invalid connection string: missing project ID in host")
+		}
+
 		for key, values := range u.Query() {
 			lastLiteral := strings.TrimSpace(values[len(values)-1])
 			switch strings.ToLower(strings.TrimSpace(key)) {

test/unit/connection_test.go

@@ -11,11 +11,12 @@ import (
 )
 
 func TestParseConnectionString(t *testing.T) {
-	connectionString := "sqlitecloud://myhost.sqlite.cloud:8860/mydatabase?timeout=11&compress=yes"
+	connectionString := "sqlitecloud://myproject.sqlite.cloud:8860/mydatabase?timeout=11&compress=yes"
 
 	expectedConfig := &sqlitecloud.SQCloudConfig{
-		Host:                  "myhost.sqlite.cloud",
+		Host:                  "myproject.sqlite.cloud",
 		Port:                  8860,
+		ProjectID:             "myproject",
 		Username:              "",
 		Password:              "",
 		Database:              "mydatabase",