441 lines
13 KiB
Bash
Executable File
441 lines
13 KiB
Bash
Executable File
#!/usr/bin/env bash
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[ -f functions.sh ] && source functions.sh
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# Dependencies required by this module
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dependencies=("curl" "jq" "date")
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if ! check_dependencies "${dependencies[@]}"; then
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msg "$2" "$1: This module requires: ${dependencies[*]}"
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exit 1
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fi
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set -f
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name="$1"
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channelName="$2"
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shift 2
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# Database file for user locations and cached geocoding
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weatherDb="data/weather.db"
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mkdir -p "$(dirname "$weatherDb")"
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touch "$weatherDb"
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# Weather code mapping (Open-Meteo codes to descriptions)
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declare -A weatherCodes=(
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[0]="Clear sky"
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[1]="Mainly clear"
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[2]="Partly cloudy"
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[3]="Overcast"
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[45]="Fog"
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[48]="Rime fog"
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[51]="Light drizzle"
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[53]="Moderate drizzle"
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[55]="Dense drizzle"
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[56]="Light freezing drizzle"
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[57]="Dense freezing drizzle"
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[61]="Slight rain"
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[63]="Moderate rain"
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[65]="Heavy rain"
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[66]="Light freezing rain"
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[67]="Heavy freezing rain"
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[71]="Slight snow fall"
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[73]="Moderate snow fall"
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[75]="Heavy snow fall"
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[77]="Snow flurries"
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[80]="Slight rain showers"
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[81]="Moderate rain showers"
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[82]="Heavy rain showers"
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[85]="Slight snow showers"
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[86]="Heavy snow showers"
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[95]="Thunderstorm"
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[96]="Thunderstorm with slight hail"
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[99]="Thunderstorm with heavy hail"
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)
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# Function to get cached geocode result
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get_cached_location() {
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local query="$1"
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local queryLower="${query,,}"
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grep -i "^CACHE|${queryLower}|" "$weatherDb" 2>/dev/null | head -n1
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}
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# Function to get user's saved location
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get_user_location() {
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local user="$1"
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grep "^USER|${user}|" "$weatherDb" 2>/dev/null | head -n1
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}
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# Function to save user location
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save_user_location() {
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local user="$1"
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local location="$2"
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local lat="$3"
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local lon="$4"
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local formatted="$5"
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# Remove old entry if exists
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if [[ -f "$weatherDb" ]]; then
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grep -v "^USER|${user}|" "$weatherDb" > "${weatherDb}.tmp"
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mv "${weatherDb}.tmp" "$weatherDb"
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fi
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# Add new entry
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echo "USER|${user}|${location}|${lat}|${lon}|${formatted}" >> "$weatherDb"
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}
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# Function to delete user location
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delete_user_location() {
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local user="$1"
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if [[ -f "$weatherDb" ]]; then
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grep -v "^USER|${user}|" "$weatherDb" > "${weatherDb}.tmp"
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mv "${weatherDb}.tmp" "$weatherDb"
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fi
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}
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# Function to cache geocode result
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cache_location() {
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local query="$1"
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local location="$2"
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local lat="$3"
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local lon="$4"
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local formatted="$5"
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local queryLower="${query,,}"
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# Check if already cached
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local cached
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cached=$(get_cached_location "$query")
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if [[ -z "$cached" ]]; then
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echo "CACHE|${queryLower}|${location}|${lat}|${lon}|${formatted}" >> "$weatherDb"
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fi
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}
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# Function to format location (City, State or City, Country)
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format_location() {
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local address="$1"
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# Use jq to parse the address components
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local locality
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local state
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local country
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local countryCode
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# Try various location types in order of specificity
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locality=$(echo "$address" | jq -r '.city // .town // .village // .hamlet // .municipality // .suburb // empty' 2>/dev/null)
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state=$(echo "$address" | jq -r '.state // empty' 2>/dev/null)
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country=$(echo "$address" | jq -r '.country // empty' 2>/dev/null)
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countryCode=$(echo "$address" | jq -r '.country_code // empty' 2>/dev/null)
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# For US addresses, always show state if available
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if [[ "$countryCode" == "us" && -n "$locality" && -n "$state" ]]; then
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echo "${locality}, ${state}"
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elif [[ "$countryCode" == "us" && -n "$state" ]]; then
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# No locality, just show state
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echo "${state}, United States"
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elif [[ -n "$locality" && -n "$country" ]]; then
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# International: show locality and country
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echo "${locality}, ${country}"
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elif [[ -n "$country" ]]; then
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# Just country
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echo "$country"
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else
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# Fallback to display_name if parsing fails
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echo "$address" | jq -r '.display_name // "Unknown location"' 2>/dev/null
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fi
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}
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# Function to geocode a location
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geocode_location() {
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local query="$1"
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# Check cache first
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local cached
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local location
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local lat
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local lon
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local formatted
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cached=$(get_cached_location "$query")
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if [[ -n "$cached" ]]; then
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# Format: CACHE|query|location|lat|lon|formatted
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location=$(echo "$cached" | cut -d'|' -f3)
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lat=$(echo "$cached" | cut -d'|' -f4)
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lon=$(echo "$cached" | cut -d'|' -f5)
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formatted=$(echo "$cached" | cut -d'|' -f6)
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# If no formatted location in cache (old format), use location
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if [[ -z "$formatted" ]]; then
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formatted="$location"
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fi
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echo "${location}|${lat}|${lon}|${formatted}"
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return 0
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fi
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# Query Nominatim API
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local url="https://nominatim.openstreetmap.org/search"
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local userAgent="stormbot-weather/1.0"
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local response
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# URL encode the query (replace spaces with +)
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local encodedQuery="${query// /+}"
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response=$(curl -s --connect-timeout 5 --max-time 10 \
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-H "User-Agent: ${userAgent}" \
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"${url}?q=${encodedQuery}&format=json&limit=1&addressdetails=1")
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if [[ -z "$response" || "$response" == "[]" ]]; then
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return 1
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fi
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# Parse response
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local fullAddress
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local addressDetails
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local formattedLocation
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lat=$(echo "$response" | jq -r '.[0].lat // empty' 2>/dev/null)
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lon=$(echo "$response" | jq -r '.[0].lon // empty' 2>/dev/null)
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fullAddress=$(echo "$response" | jq -r '.[0].display_name // empty' 2>/dev/null)
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addressDetails=$(echo "$response" | jq -r '.[0].address // empty' 2>/dev/null)
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if [[ -z "$lat" || -z "$lon" ]]; then
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return 1
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fi
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# Format the location nicely
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formattedLocation=$(format_location "$addressDetails")
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# Cache the result
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cache_location "$query" "$fullAddress" "$lat" "$lon" "$formattedLocation"
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echo "${fullAddress}|${lat}|${lon}|${formattedLocation}"
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return 0
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}
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# Function to get weather data
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get_weather() {
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local lat="$1"
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local lon="$2"
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local url="https://api.open-meteo.com/v1/forecast"
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local params="latitude=${lat}&longitude=${lon}"
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params+="¤t=temperature_2m,relative_humidity_2m,weather_code,wind_speed_10m"
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params+="&daily=weather_code,temperature_2m_max,temperature_2m_min"
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params+="&timezone=auto&forecast_days=3&temperature_unit=fahrenheit&wind_speed_unit=mph"
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local response
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response=$(curl -s --connect-timeout 5 --max-time 10 "${url}?${params}")
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if [[ -z "$response" ]]; then
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return 1
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fi
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echo "$response"
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return 0
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}
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# Function to format weather output
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format_weather() {
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local weatherData="$1"
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local locationName="$2"
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# Parse current weather
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local temp
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local humidity
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local windSpeed
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local weatherCode
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temp=$(echo "$weatherData" | jq -r '.current.temperature_2m // "N/A"')
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humidity=$(echo "$weatherData" | jq -r '.current.relative_humidity_2m // "N/A"')
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windSpeed=$(echo "$weatherData" | jq -r '.current.wind_speed_10m // "N/A"')
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weatherCode=$(echo "$weatherData" | jq -r '.current.weather_code // 0')
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local conditions="${weatherCodes[$weatherCode]:-Unknown}"
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# Build message
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local message="Weather for ${locationName}: ${temp}°F, ${conditions}"
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if [[ "$humidity" != "N/A" ]]; then
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message+=", Humidity: ${humidity}%"
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fi
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if [[ "$windSpeed" != "N/A" ]]; then
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message+=", Wind: ${windSpeed} mph"
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fi
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echo "$message"
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}
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# Function to format forecast output
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format_forecast() {
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local weatherData="$1"
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# Parse forecast data
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local dates
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dates=$(echo "$weatherData" | jq -r '.daily.time[]' 2>/dev/null)
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if [[ -z "$dates" ]]; then
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return 1
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fi
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local forecastParts=()
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local i=0
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while IFS= read -r dateStr; do
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local minTemp
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local maxTemp
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local code
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minTemp=$(echo "$weatherData" | jq -r ".daily.temperature_2m_min[$i] // \"N/A\"")
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maxTemp=$(echo "$weatherData" | jq -r ".daily.temperature_2m_max[$i] // \"N/A\"")
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code=$(echo "$weatherData" | jq -r ".daily.weather_code[$i] // 0")
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# Format date to day of week
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local dayName
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if date --version &>/dev/null; then
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# GNU date
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dayName=$(date -d "$dateStr" '+%A' 2>/dev/null)
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else
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# BSD date (macOS)
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dayName=$(date -j -f '%Y-%m-%d' "$dateStr" '+%A' 2>/dev/null)
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fi
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if [[ -z "$dayName" ]]; then
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dayName="$dateStr"
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fi
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local forecastConditions="${weatherCodes[$code]:-Unknown}"
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if [[ "$minTemp" != "N/A" && "$maxTemp" != "N/A" ]]; then
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forecastParts+=("${dayName}: ${minTemp}°F to ${maxTemp}°F, ${forecastConditions}")
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fi
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((i++))
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# Only show 3 days
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if [[ $i -ge 3 ]]; then
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break
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fi
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done <<< "$dates"
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if [[ ${#forecastParts[@]} -gt 0 ]]; then
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local IFS=" | "
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echo "Forecast: ${forecastParts[*]}"
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return 0
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fi
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return 1
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}
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# Main command logic
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subcommand="${1:-}"
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# If subcommand is the module name itself (w or weather), treat as no argument
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if [[ "$subcommand" == "w" || "$subcommand" == "weather" ]]; then
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subcommand=""
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fi
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case "$subcommand" in
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set)
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# Set user's location
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shift
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if [[ $# -eq 0 ]]; then
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msg "$channelName" "$name: Usage: weather set <location>"
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exit 0
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fi
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location="$*"
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# Validate location length
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if [[ ${#location} -gt 100 ]]; then
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msg "$channelName" "$name: Location is too long (max 100 characters)."
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exit 0
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fi
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# Geocode the location
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geocodeResult=$(geocode_location "$location")
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if [[ $? -ne 0 || -z "$geocodeResult" ]]; then
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msg "$channelName" "$name: Could not find that location. Please try a different search term."
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exit 0
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fi
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# Parse result: fullAddress|lat|lon|formattedLocation
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fullAddress=$(echo "$geocodeResult" | cut -d'|' -f1)
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lat=$(echo "$geocodeResult" | cut -d'|' -f2)
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lon=$(echo "$geocodeResult" | cut -d'|' -f3)
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formattedLocation=$(echo "$geocodeResult" | cut -d'|' -f4)
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# Save user location
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save_user_location "$name" "$fullAddress" "$lat" "$lon" "$formattedLocation"
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msg "$channelName" "$name: Your location has been set to: ${formattedLocation}"
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;;
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del|delete)
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# Delete user's location
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delete_user_location "$name"
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msg "$channelName" "$name: Your location has been deleted."
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;;
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*)
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# Show weather (default action)
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if [[ -n "$subcommand" ]]; then
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# Weather for specified location
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location="$*"
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# Validate location length
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if [[ ${#location} -gt 100 ]]; then
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msg "$channelName" "$name: Location is too long (max 100 characters)."
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exit 0
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fi
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# Geocode the location
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geocodeResult=$(geocode_location "$location")
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if [[ $? -ne 0 || -z "$geocodeResult" ]]; then
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msg "$channelName" "$name: Could not find that location. Please try a different search term."
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exit 0
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fi
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# Parse result
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fullAddress=$(echo "$geocodeResult" | cut -d'|' -f1)
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lat=$(echo "$geocodeResult" | cut -d'|' -f2)
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lon=$(echo "$geocodeResult" | cut -d'|' -f3)
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formattedLocation=$(echo "$geocodeResult" | cut -d'|' -f4)
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locationDisplay="$formattedLocation"
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else
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# Weather for user's saved location
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userLocation=$(get_user_location "$name")
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if [[ -z "$userLocation" ]]; then
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msg "$channelName" "$name: You have not set a location. Use 'weather set <location>' to save your location, or 'weather <location>' to check weather for a specific location."
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exit 0
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fi
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# Parse user location: USER|name|location|lat|lon|formatted
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fullAddress=$(echo "$userLocation" | cut -d'|' -f3)
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lat=$(echo "$userLocation" | cut -d'|' -f4)
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lon=$(echo "$userLocation" | cut -d'|' -f5)
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formattedLocation=$(echo "$userLocation" | cut -d'|' -f6)
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# If no formatted location stored (old format), use full address
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if [[ -z "$formattedLocation" ]]; then
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formattedLocation="$fullAddress"
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fi
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locationDisplay="$formattedLocation"
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fi
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# Get weather data
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weatherData=$(get_weather "$lat" "$lon")
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if [[ $? -ne 0 || -z "$weatherData" ]]; then
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msg "$channelName" "$name: Could not retrieve weather data. Please try again later."
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exit 1
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fi
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# Format and send current weather
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weatherMessage=$(format_weather "$weatherData" "$locationDisplay")
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msg "$channelName" "$name: ${weatherMessage}"
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# Format and send forecast
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forecastMessage=$(format_forecast "$weatherData")
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if [[ $? -eq 0 && -n "$forecastMessage" ]]; then
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msg "$channelName" "$name: ${forecastMessage}"
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fi
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;;
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esac
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