joshuar-go-hass-agent/internal/hass/config.go

110 lines
2.6 KiB
Go

// Copyright (c) 2024 Joshua Rich <joshua.rich@gmail.com>
//
// This software is released under the MIT License.
// https://opensource.org/licenses/MIT
//nolint:errname // structs are dual-purpose response and error
//revive:disable:unused-receiver
package hass
import (
"context"
"encoding/json"
"errors"
"fmt"
"sync"
)
var (
ErrInvalidEntityConfig = errors.New("entity has invalid config")
ErrInvalidConfig = errors.New("invalid config")
)
type Config struct {
Details *ConfigEntries
*APIError
mu sync.Mutex
}
type ConfigEntries struct {
Entities map[string]map[string]any `json:"entities"`
UnitSystem units `json:"unit_system"`
ConfigDir string `json:"config_dir"`
LocationName string `json:"location_name"`
TimeZone string `json:"time_zone"`
Version string `json:"version"`
Components []string `json:"components"`
WhitelistExternalDirs []string `json:"whitelist_external_dirs"`
Elevation int `json:"elevation"`
Latitude float64 `json:"latitude"`
Longitude float64 `json:"longitude"`
}
type units struct {
Length string `json:"length"`
Mass string `json:"mass"`
Temperature string `json:"temperature"`
Volume string `json:"volume"`
}
func (c *Config) IsEntityDisabled(entity string) (bool, error) {
if c.Details == nil {
return false, ErrInvalidConfig
}
c.mu.Lock()
defer c.mu.Unlock()
if v, ok := c.Details.Entities[entity]["disabled"]; ok {
disabledState, ok := v.(bool)
if !ok {
return false, nil
}
return disabledState, nil
}
return false, nil
}
func (c *Config) UnmarshalJSON(b []byte) error {
err := json.Unmarshal(b, &c.Details)
if err != nil {
return fmt.Errorf("could not read config: %w", err)
}
return nil
}
func (c *Config) UnmarshalError(data []byte) error {
err := json.Unmarshal(data, c.APIError)
if err != nil {
return fmt.Errorf("could not unmarshal: %w", err)
}
return nil
}
func (c *Config) Error() string {
return c.APIError.Error()
}
type configRequest struct{}
func (c *configRequest) RequestBody() json.RawMessage {
return json.RawMessage(`{ "type": "get_config" }`)
}
func GetConfig(ctx context.Context, url string) (*Config, error) {
client := NewDefaultHTTPClient(url)
req := &configRequest{}
resp := &Config{}
if err := ExecuteRequest(ctx, client, "", req, resp); err != nil {
return nil, err
}
return resp, nil
}