Database back-end createDbCallback()

backend/database/callback.go

@@ -43,3 +43,52 @@ func createDbCallback(apiKey string, args []string) func(*sql.DB) {
 		proc.ShowSuccessResponse()
 	}
 }
+
+func getByNameCallback(apiKey string, args []string) func(*sql.DB) {
+	return func(d *sql.DB) {
+		name := args[2]
+		query, err := d.Query("SELECT id FROM " + apiKey + "_database WHERE name=\"" + name + "\"")
+
+		if err != nil {
+			proc.ShowFailedResponse("Internal error occured.")
+			query.Close()
+
+			return
+		}
+
+		count := 0
+		for query.Next() {
+			id := 0
+			query.Scan(&id)
+
+			count++
+		}
+
+		if count != 0 {
+			proc.ShowFailedResponse("Database name already in use.")
+			query.Close()
+
+			return
+		}
+
+		query, err = d.Query("SELECT mode, content FROM " + apiKey + "_database WHERE name=\"" + name + "\"")
+		if err != nil {
+			proc.ShowFailedResponse("Internal error occured.")
+			query.Close()
+
+			return
+		}
+
+		mode := ""
+		content := ""
+
+		for query.Next() {
+			query.Scan(&mode, &content)
+		}
+
+		proc.ShowResult("[\"" + mode + "\", \"" + content + "\"]")
+		query.Close()
+
+		return
+	}
+}

backend/database/main.go

@@ -28,6 +28,18 @@ func main() {
 	case "create":
 		failOnUmatchedArgSize(5, args)
 		createDbCallback(apiKey, args)
+
+	case "get_by_name":
+		break
+
+	case "set_db_mode":
+		break
+
+	case "get_db_mode":
+		break
+
+	case "fetch_all":
+		break
 	}
 
 	DispatchWithCallback(callback)