Add weather service
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parent
522c10a9c0
commit
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1
go.mod
1
go.mod
@ -3,6 +3,7 @@ module go.arsenm.dev/infinitime
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go 1.16
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require (
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github.com/fxamacker/cbor/v2 v2.3.0
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github.com/godbus/dbus/v5 v5.0.3
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github.com/muka/go-bluetooth v0.0.0-20211122080231-b99792bbe62a
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)
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6
go.sum
6
go.sum
@ -3,6 +3,10 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
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github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/fatih/structs v1.1.0 h1:Q7juDM0QtcnhCpeyLGQKyg4TOIghuNXrkL32pHAUMxo=
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github.com/fatih/structs v1.1.0/go.mod h1:9NiDSp5zOcgEDl+j00MP/WkGVPOlPRLejGD8Ga6PJ7M=
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github.com/fxamacker/cbor v1.5.1 h1:XjQWBgdmQyqimslUh5r4tUGmoqzHmBFQOImkWGi2awg=
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github.com/fxamacker/cbor v1.5.1/go.mod h1:3aPGItF174ni7dDzd6JZ206H8cmr4GDNBGpPa971zsU=
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github.com/fxamacker/cbor/v2 v2.3.0 h1:aM45YGMctNakddNNAezPxDUpv38j44Abh+hifNuqXik=
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github.com/fxamacker/cbor/v2 v2.3.0/go.mod h1:TA1xS00nchWmaBnEIxPSE5oHLuJBAVvqrtAnWBwBCVo=
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github.com/godbus/dbus/v5 v5.0.3 h1:ZqHaoEF7TBzh4jzPmqVhE/5A1z9of6orkAe5uHoAeME=
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github.com/godbus/dbus/v5 v5.0.3/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
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github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
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@ -24,6 +28,8 @@ github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXf
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github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0=
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github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
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github.com/suapapa/go_eddystone v1.3.1/go.mod h1:bXC11TfJOS+3g3q/Uzd7FKd5g62STQEfeEIhcKe4Qy8=
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github.com/x448/float16 v0.8.4 h1:qLwI1I70+NjRFUR3zs1JPUCgaCXSh3SW62uAKT1mSBM=
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github.com/x448/float16 v0.8.4/go.mod h1:14CWIYCyZA/cWjXOioeEpHeN/83MdbZDRQHoFcYsOfg=
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github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
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golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
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golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
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@ -4,9 +4,11 @@ import (
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"bytes"
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"encoding/binary"
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"errors"
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"reflect"
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"strings"
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"time"
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"github.com/fxamacker/cbor/v2"
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bt "github.com/muka/go-bluetooth/api"
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"github.com/muka/go-bluetooth/bluez/profile/adapter"
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"github.com/muka/go-bluetooth/bluez/profile/device"
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@ -27,6 +29,7 @@ const (
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HeartRateChar = "00002a37-0000-1000-8000-00805f9b34fb"
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FSTransferChar = "adaf0200-4669-6c65-5472-616e73666572"
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FSVersionChar = "adaf0100-4669-6c65-5472-616e73666572"
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WeatherDataChar = "00040001-78fc-48fe-8e23-433b3a1942d0"
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)
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type Device struct {
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@ -42,6 +45,7 @@ type Device struct {
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heartRateChar *gatt.GattCharacteristic1
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fsVersionChar *gatt.GattCharacteristic1
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fsTransferChar *gatt.GattCharacteristic1
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weatherDataChar *gatt.GattCharacteristic1
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notifEventCh chan uint8
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notifEventDone bool
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onReconnect func()
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@ -50,10 +54,11 @@ type Device struct {
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}
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var (
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ErrNoDevices = errors.New("no InfiniTime devices found")
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ErrNotFound = errors.New("could not find any advertising InfiniTime devices")
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ErrNotConnected = errors.New("not connected")
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ErrCharNotAvail = errors.New("required characteristic is not available")
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ErrNoDevices = errors.New("no InfiniTime devices found")
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ErrNotFound = errors.New("could not find any advertising InfiniTime devices")
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ErrNotConnected = errors.New("not connected")
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ErrCharNotAvail = errors.New("required characteristic is not available")
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ErrNoTimelineHeader = errors.New("events must contain the timeline header")
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)
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type Options struct {
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@ -333,6 +338,8 @@ func (i *Device) resolveChars() error {
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i.fsTransferChar = char
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case FSVersionChar:
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i.fsVersionChar = char
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case WeatherDataChar:
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i.weatherDataChar = char
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}
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}
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return nil
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@ -685,6 +692,32 @@ func (i *Device) FS() (*blefs.FS, error) {
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return blefs.New(i.fsTransferChar)
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}
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// AddWeatherEvent adds one of the event structs from
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// the weather package to the timeline. Input must be
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// a struct containing TimelineHeader.
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func (i *Device) AddWeatherEvent(event interface{}) error {
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if err := i.checkStatus(i.weatherDataChar); err != nil {
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return err
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}
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// Get type of input
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inputType := reflect.TypeOf(event)
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// Check if input contains TimelineHeader
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_, hdrExists := inputType.FieldByName("TimelineHeader")
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// If header does not exist or input is not struct
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if !hdrExists || inputType.Kind() != reflect.Struct {
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return ErrNoTimelineHeader
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}
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// Encode event as CBOR
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data, err := cbor.Marshal(event)
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if err != nil {
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return err
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}
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// Write data to weather data characteristic
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return i.weatherDataChar.WriteValue(data, nil)
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}
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func (i *Device) checkStatus(char *gatt.GattCharacteristic1) error {
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if !i.device.Properties.Connected {
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return ErrNotConnected
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193
weather/weather.go
Normal file
193
weather/weather.go
Normal file
@ -0,0 +1,193 @@
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package weather
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import (
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"time"
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)
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// Type of weather event
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type EventType uint8
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// These event types correspond to structs
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// that can be used to add an event to the
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// weather timeline
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const (
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EventTypeObscuration EventType = iota
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EventTypePrecipitation
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EventTypeWind
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EventTypeTemperature
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EventTypeAirQuality
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EventTypeSpecial
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EventTypePressure
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EventTypeLocation
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EventTypeClouds
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EventTypeHumidity
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)
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// Special event type
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type SpecialType uint8
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// See https://git.io/JM7Oe for the meaning of each type
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const (
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SpecialTypeSquall SpecialType = iota
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SpecialTypeTsunami
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SpecialTypeTornado
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SpecialTypeFire
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SpecialTypeThunder
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)
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// Precipitation type
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type PrecipitationType uint8
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// See https://git.io/JM7YM for the meaning of each type
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const (
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PrecipitationTypeNone PrecipitationType = iota
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PrecipitationTypeRain
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PrecipitationTypeDrizzle
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PrecipitationTypeFreezingRain
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PrecipitationTypeSleet
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PrecipitationTypeHail
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PrecipitationTypeSmallHail
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PrecipitationTypeSnow
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PrecipitationTypeSnowGrains
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PrecipitationTypeIceCrystals
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PrecipitationTypeAsh
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)
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// Visibility obscuration type
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type ObscurationType uint8
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// See https://git.io/JM7Yd for the meaning of each type
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const (
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ObscurationTypeNone ObscurationType = iota
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ObscurationTypeFog
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ObscurationTypeHaze
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ObscurationTypeSmoke
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ObscurationTypeAsh
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ObscurationTypeDust
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ObscurationTypeSand
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ObscurationTypeMist
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ObscurationTypePrecipitation
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)
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// TimelineHeader contains the header for a timeline envent
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type TimelineHeader struct {
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// UNIX timestamp with timezone offset
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Timestamp uint64
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// Seconds until the event expires
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Expires uint32
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// Type of weather event
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EventType EventType
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}
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// NewHeader creates and populates a new timeline header
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// and returns it
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func NewHeader(evtType EventType, expires time.Duration) TimelineHeader {
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return TimelineHeader{
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Timestamp: uint64(time.Now().Unix()),
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Expires: uint32(expires.Seconds()),
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EventType: evtType,
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}
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}
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// CloudsEvent corresponds to EventTypeClouds
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type CloudsEvent struct {
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TimelineHeader
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// Cloud coverage percentage
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Amount uint8
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}
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// ObscurationEvent corresponds to EventTypeObscuration
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type ObscurationEvent struct {
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TimelineHeader
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// Type of obscuration
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Type ObscurationType
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// Visibility in meters. 65535 is unspecified.
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Amount uint16
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}
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// PrecipitationEvent corresponds to EventTypePrecipitation
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type PrecipitationEvent struct {
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TimelineHeader
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// Type of precipitation
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Type PrecipitationType
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// Amount of rain in millimeters. 255 is unspecified.
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Amount uint8
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}
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// WindEvent corresponds to EventTypeWind
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type WindEvent struct {
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TimelineHeader
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// Minimum speed in meters per second
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SpeedMin uint8
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// Maximum speed in meters per second
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SpeedMax uint8
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// Unitless direction, about 1 unit per 0.71 degrees.
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DirectionMin uint8
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// Unitless direction, about 1 unit per 0.71 degrees
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DirectionMax uint8
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}
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// TemperatureEvent corresponds to EventTypeTemperature
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type TemperatureEvent struct {
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TimelineHeader
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// Temperature in celcius multiplied by 100.
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// -32768 is "no data"
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Temperature int16
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// Dew point in celcius multiplied by 100.
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// -32768 is "no data"
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DewPoint int16
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}
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// LocationEvent corresponds to EventTypeLocation
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type LocationEvent struct {
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TimelineHeader
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// Location name
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Location string
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// Altitude from sea level in meters
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Altitude int16
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// EPSG:3857 latitude (Google Maps, Openstreetmaps)
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Latitude int32
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// EPSG:3857 longitude (Google Maps, Openstreetmaps)
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Longitude int32
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}
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// HumidityEvent corresponds to EventTypeHumidity
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type HumidityEvent struct {
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TimelineHeader
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// Relative humidity percentage
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Humidity uint8
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}
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// PressureEvent corresponds to EventTypePressure
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type PressureEvent struct {
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TimelineHeader
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// Air pressure in hectopascals (hPa)
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Pressure int16
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}
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// SpecialEvent corresponds to EventTypeSpecial
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type SpecialEvent struct {
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TimelineHeader
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// Type of special event
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Type SpecialType
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}
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// AirQualityEvent corresponds to EventTypeAirQuality
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type AirQualityEvent struct {
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TimelineHeader
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// Name of the polluting item
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//
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// Do not localize the name. That should be handled by the watch.
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//
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// For particulate matter, use "PM0.1"`, "PM5", or "PM10".
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//
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// For chemicals, use the molecular formula ("NO2", "CO2", or "O3").
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//
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// For pollen, use the genus of the plant.
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Polluter string
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// Amount of pollution in SI units
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//
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// https://ec.europa.eu/environment/air/quality/standards.htm
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// http://www.ourair.org/wp-content/uploads/2012-aaqs2.pdf
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Amount uint32
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}
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