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Only return valid locations

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Adriano Caloiaro 2020-08-09 19:28:22 -06:00
parent 74fa787fb0
commit 35b16835c2
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GPG key ID: 9FFD0E7601F166AB
1 changed files with 12 additions and 7 deletions
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19
service/current_location.go
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@ -57,7 +57,13 @@ func currentLocation(dbPath string) (location Location) {
fileHandle.ReadAt(char, cursor) fileHandle.ReadAt(char, cursor)
if cursor != -1 && (char[0] == '\n') { // stop if we find a line if cursor != -1 && (char[0] == '\n') { // stop if we find a line
break parseNmeaSentence(line, &location)
// break when a 'good' location has been found. This will usually be myst last known location.
// when the router is reporting 0 coordinates, it doesn't have a signal
if location.Lat != 0 || location.Lon != 0 {
break
}
} }
line = fmt.Sprintf("%s%s", string(char), line) // there is more efficient way line = fmt.Sprintf("%s%s", string(char), line) // there is more efficient way
@ -67,7 +73,11 @@ func currentLocation(dbPath string) (location Location) {
} }
} }
fields := strings.Split(line, ",") return
}
func parseNmeaSentence(sentence string, location *Location) {
fields := strings.Split(sentence, ",")
if f, err := strconv.ParseFloat(fields[0], 64); err == nil { if f, err := strconv.ParseFloat(fields[0], 64); err == nil {
location.Lat = f location.Lat = f
@ -76,9 +86,4 @@ func currentLocation(dbPath string) (location Location) {
if f, err := strconv.ParseFloat(fields[1], 64); err == nil { if f, err := strconv.ParseFloat(fields[1], 64); err == nil {
location.Lon = f location.Lon = f
} }
return
}
func main() {
} }