139 lines
3.2 KiB
Go
139 lines
3.2 KiB
Go
// Copyright (c) 2023 Joshua Rich <joshua.rich@gmail.com>
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//
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// This software is released under the MIT License.
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// https://opensource.org/licenses/MIT
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package hass
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import (
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"bytes"
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"context"
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"encoding/json"
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"fmt"
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"sync"
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"time"
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"github.com/perimeterx/marshmallow"
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"github.com/rs/zerolog/log"
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)
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type HassConfig struct {
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rawConfigProps map[string]interface{}
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hassConfigProps
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mu sync.Mutex
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}
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type hassConfigProps struct {
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Entities map[string]map[string]interface{} `json:"entities"`
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UnitSystem struct {
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Length string `json:"length"`
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Mass string `json:"mass"`
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Temperature string `json:"temperature"`
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Volume string `json:"volume"`
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} `json:"unit_system"`
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ConfigDir string `json:"config_dir"`
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LocationName string `json:"location_name"`
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TimeZone string `json:"time_zone"`
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Version string `json:"version"`
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Components []string `json:"components"`
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WhitelistExternalDirs []string `json:"whitelist_external_dirs"`
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Elevation int `json:"elevation"`
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Latitude float64 `json:"latitude"`
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Longitude float64 `json:"longitude"`
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}
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func NewHassConfig(ctx context.Context) *HassConfig {
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c := &HassConfig{}
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c.Refresh(ctx)
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c.updater(ctx)
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return c
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}
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func (h *HassConfig) Refresh(ctx context.Context) {
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APIRequest(ctx, h)
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}
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func (h *HassConfig) updater(ctx context.Context) {
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ticker := time.NewTicker(time.Minute * 1)
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go func() {
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for {
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select {
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case <-ctx.Done():
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return
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case <-ticker.C:
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h.Refresh(ctx)
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}
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}
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}()
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}
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func (h *HassConfig) GetEntityState(entity string) map[string]interface{} {
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h.mu.Lock()
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defer h.mu.Unlock()
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if v, ok := h.hassConfigProps.Entities[entity]; ok {
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return v
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}
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return nil
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}
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func (h *HassConfig) IsEntityDisabled(entity string) bool {
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h.mu.Lock()
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defer h.mu.Unlock()
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if v, ok := h.hassConfigProps.Entities[entity]; ok {
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return v["disabled"].(bool)
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} else {
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return false
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}
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}
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// HassConfig implements hass.Request so that it can be sent as a request to HA
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// to get its data.
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func (h *HassConfig) RequestType() RequestType {
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return RequestTypeGetConfig
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}
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func (h *HassConfig) RequestData() *json.RawMessage {
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return nil
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}
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func (h *HassConfig) ResponseHandler(resp bytes.Buffer) {
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if resp.Bytes() == nil {
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log.Debug().
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Msg("No response returned.")
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return
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}
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h.mu.Lock()
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result, err := marshmallow.Unmarshal(resp.Bytes(), &h.hassConfigProps)
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if err != nil {
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log.Debug().Err(err).
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Msg("Couldn't unmarshal Hass config.")
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return
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}
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h.rawConfigProps = result
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h.mu.Unlock()
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log.Debug().Caller().Msg("Updated stored HA config.")
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}
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// HassConfig implements config.Config
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func (c *HassConfig) Get(property string) (interface{}, error) {
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c.mu.Lock()
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defer c.mu.Unlock()
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if value, ok := c.rawConfigProps[property]; ok {
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return value, nil
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} else {
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return nil, fmt.Errorf("config does not have an option %s", property)
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}
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}
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func (c *HassConfig) Set(property string, value interface{}) error {
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log.Debug().Caller().Msg("Hass configuration is not settable.")
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return nil
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}
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func (c *HassConfig) Validate() error {
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log.Debug().Caller().Msg("Hass configuration has no validation.")
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return nil
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}
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