commit f832b95d690eeb26ea17d4c18a1dd36a55485874 Author: Kenneth Date: Sat May 10 00:36:38 2025 +0100 initial commit diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..ea65fde --- /dev/null +++ b/.gitignore @@ -0,0 +1,216 @@ +# Created by https://www.toptal.com/developers/gitignore/api/windows,macos,linux,goland,go +# Edit at https://www.toptal.com/developers/gitignore?templates=windows,macos,linux,goland,go + +### Go ### +# If you prefer the allow list template instead of the deny list, see community template: +# https://github.com/github/gitignore/blob/main/community/Golang/Go.AllowList.gitignore +# +# Binaries for programs and plugins +*.exe +*.exe~ +*.dll +*.so +*.dylib + +# Test binary, built with `go test -c` +*.test + +# Output of the go coverage tool, specifically when used with LiteIDE +*.out + +# Dependency directories (remove the comment below to include it) +# vendor/ + +# Go workspace file +go.work + +### GoLand ### +# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider +# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839 + +# User-specific stuff +.idea/**/workspace.xml +.idea/**/tasks.xml +.idea/**/usage.statistics.xml +.idea/**/dictionaries +.idea/**/shelf + +# AWS User-specific +.idea/**/aws.xml + +# Generated files +.idea/**/contentModel.xml + +# Sensitive or high-churn files +.idea/**/dataSources/ +.idea/**/dataSources.ids +.idea/**/dataSources.local.xml +.idea/**/sqlDataSources.xml +.idea/**/dynamic.xml +.idea/**/uiDesigner.xml +.idea/**/dbnavigator.xml + +# Gradle +.idea/**/gradle.xml +.idea/**/libraries + +# Gradle and Maven with auto-import +# When using Gradle or Maven with auto-import, you should exclude module files, +# since they will be recreated, and may cause churn. Uncomment if using +# auto-import. +# .idea/artifacts +# .idea/compiler.xml +# .idea/jarRepositories.xml +# .idea/modules.xml +# .idea/*.iml +# .idea/modules +# *.iml +# *.ipr + +# CMake +cmake-build-*/ + +# Mongo Explorer plugin +.idea/**/mongoSettings.xml + +# File-based project format +*.iws + +# IntelliJ +out/ + +# mpeltonen/sbt-idea plugin +.idea_modules/ + +# JIRA plugin +atlassian-ide-plugin.xml + +# Cursive Clojure plugin +.idea/replstate.xml + +# SonarLint plugin +.idea/sonarlint/ + +# Crashlytics plugin (for Android Studio and IntelliJ) +com_crashlytics_export_strings.xml +crashlytics.properties +crashlytics-build.properties +fabric.properties + +# Editor-based Rest Client +.idea/httpRequests + +# Android studio 3.1+ serialized cache file +.idea/caches/build_file_checksums.ser + +### GoLand Patch ### +# Comment Reason: https://github.com/joeblau/gitignore.io/issues/186#issuecomment-215987721 + +# *.iml +# modules.xml +# .idea/misc.xml +# *.ipr + +# Sonarlint plugin +# https://plugins.jetbrains.com/plugin/7973-sonarlint +.idea/**/sonarlint/ + +# SonarQube Plugin +# https://plugins.jetbrains.com/plugin/7238-sonarqube-community-plugin +.idea/**/sonarIssues.xml + +# Markdown Navigator plugin +# https://plugins.jetbrains.com/plugin/7896-markdown-navigator-enhanced +.idea/**/markdown-navigator.xml +.idea/**/markdown-navigator-enh.xml +.idea/**/markdown-navigator/ + +# Cache file creation bug +# See https://youtrack.jetbrains.com/issue/JBR-2257 +.idea/$CACHE_FILE$ + +# CodeStream plugin +# https://plugins.jetbrains.com/plugin/12206-codestream +.idea/codestream.xml + +# Azure Toolkit for IntelliJ plugin +# https://plugins.jetbrains.com/plugin/8053-azure-toolkit-for-intellij +.idea/**/azureSettings.xml + +### Linux ### +*~ + +# temporary files which can be created if a process still has a handle open of a deleted file +.fuse_hidden* + +# KDE directory preferences +.directory + +# Linux trash folder which might appear on any partition or disk +.Trash-* + +# .nfs files are created when an open file is removed but is still being accessed +.nfs* + +### macOS ### +# General +.DS_Store +.AppleDouble +.LSOverride + +# Icon must end with two \r +Icon + + +# Thumbnails +._* + +# Files that might appear in the root of a volume +.DocumentRevisions-V100 +.fseventsd +.Spotlight-V100 +.TemporaryItems +.Trashes +.VolumeIcon.icns +.com.apple.timemachine.donotpresent + +# Directories potentially created on remote AFP share +.AppleDB +.AppleDesktop +Network Trash Folder +Temporary Items +.apdisk + +### macOS Patch ### +# iCloud generated files +*.icloud + +### Windows ### +# Windows thumbnail cache files +Thumbs.db +Thumbs.db:encryptable +ehthumbs.db +ehthumbs_vista.db + +# Dump file +*.stackdump + +# Folder config file +[Dd]esktop.ini + +# Recycle Bin used on file shares +$RECYCLE.BIN/ + +# Windows Installer files +*.cab +*.msi +*.msix +*.msm +*.msp + +# Windows shortcuts +*.lnk + +# End of https://www.toptal.com/developers/gitignore/api/windows,macos,linux,goland,go + +.env diff --git a/.idea/.gitignore b/.idea/.gitignore new file mode 100644 index 0000000..13566b8 --- /dev/null +++ b/.idea/.gitignore @@ -0,0 +1,8 @@ +# Default ignored files +/shelf/ +/workspace.xml +# Editor-based HTTP Client requests +/httpRequests/ +# Datasource local storage ignored files +/dataSources/ +/dataSources.local.xml diff --git a/.idea/7am.iml b/.idea/7am.iml new file mode 100644 index 0000000..5e764c4 --- /dev/null +++ b/.idea/7am.iml @@ -0,0 +1,9 @@ + + + + + + + + + \ No newline at end of file diff --git a/.idea/developer-tools.xml b/.idea/developer-tools.xml new file mode 100644 index 0000000..5421cc5 --- /dev/null +++ b/.idea/developer-tools.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/.idea/inspectionProfiles/Project_Default.xml b/.idea/inspectionProfiles/Project_Default.xml new file mode 100644 index 0000000..fc29074 --- /dev/null +++ b/.idea/inspectionProfiles/Project_Default.xml @@ -0,0 +1,15 @@ + + + + \ No newline at end of file diff --git a/.idea/misc.xml b/.idea/misc.xml new file mode 100644 index 0000000..30bab2a --- /dev/null +++ b/.idea/misc.xml @@ -0,0 +1,7 @@ + + + + + \ No newline at end of file diff --git a/.idea/modules.xml b/.idea/modules.xml new file mode 100644 index 0000000..3a2bdf3 --- /dev/null +++ b/.idea/modules.xml @@ -0,0 +1,8 @@ + + + + + + + + \ No newline at end of file diff --git a/.idea/vcs.xml b/.idea/vcs.xml new file mode 100644 index 0000000..35eb1dd --- /dev/null +++ b/.idea/vcs.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..5f714fd --- /dev/null +++ b/go.mod @@ -0,0 +1,33 @@ +module code.nym.sh/weatherboy + +go 1.24.3 + +require ( + github.com/coder/websocket v1.8.13 + github.com/go-co-op/gocron/v2 v2.16.1 + github.com/joho/godotenv v1.5.1 + golang.org/x/time v0.11.0 + google.golang.org/genai v1.4.0 +) + +require ( + cloud.google.com/go v0.116.0 // indirect + cloud.google.com/go/auth v0.9.3 // indirect + cloud.google.com/go/compute/metadata v0.5.0 // indirect + github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect + github.com/google/go-cmp v0.6.0 // indirect + github.com/google/s2a-go v0.1.8 // indirect + github.com/google/uuid v1.6.0 // indirect + github.com/googleapis/enterprise-certificate-proxy v0.3.4 // indirect + github.com/gorilla/websocket v1.5.3 // indirect + github.com/jonboulle/clockwork v0.5.0 // indirect + github.com/robfig/cron/v3 v3.0.1 // indirect + go.opencensus.io v0.24.0 // indirect + golang.org/x/crypto v0.27.0 // indirect + golang.org/x/net v0.29.0 // indirect + golang.org/x/sys v0.25.0 // indirect + golang.org/x/text v0.18.0 // indirect + google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1 // indirect + google.golang.org/grpc v1.66.2 // indirect + google.golang.org/protobuf v1.34.2 // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..9d089e6 --- /dev/null +++ b/go.sum @@ -0,0 +1,147 @@ +cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +cloud.google.com/go v0.116.0 h1:B3fRrSDkLRt5qSHWe40ERJvhvnQwdZiHu0bJOpldweE= +cloud.google.com/go v0.116.0/go.mod h1:cEPSRWPzZEswwdr9BxE6ChEn01dWlTaF05LiC2Xs70U= +cloud.google.com/go/auth v0.9.3 h1:VOEUIAADkkLtyfr3BLa3R8Ed/j6w1jTBmARx+wb5w5U= +cloud.google.com/go/auth v0.9.3/go.mod h1:7z6VY+7h3KUdRov5F1i8NDP5ZzWKYmEPO842BgCsmTk= +cloud.google.com/go/compute/metadata v0.5.0 h1:Zr0eK8JbFv6+Wi4ilXAR8FJ3wyNdpxHKJNPos6LTZOY= +cloud.google.com/go/compute/metadata v0.5.0/go.mod h1:aHnloV2TPI38yx4s9+wAZhHykWvVCfu7hQbF+9CWoiY= +github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= +github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU= +github.com/client9/misspell v0.3.4/go.mod 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v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8= +github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA= +github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs= +github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w= +github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0= +github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8= +github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI= +github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M= +github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= +github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= +github.com/google/go-cmp v0.4.0/go.mod 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v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= +gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= +gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= +honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= +honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= diff --git a/main.go b/main.go new file mode 100644 index 0000000..b4d2cf9 --- /dev/null +++ b/main.go @@ -0,0 +1,247 @@ +package main + +import ( + "context" + "embed" + _ "embed" + "fmt" + "github.com/coder/websocket" + "github.com/go-co-op/gocron/v2" + "github.com/joho/godotenv" + "golang.org/x/time/rate" + "google.golang.org/genai" + "html/template" + "io" + "log" + "mime" + "net/http" + "os" + "path/filepath" + "strings" + "sync" + "sync/atomic" + "time" +) + +type apiKey struct { + openWeatherMap string +} + +type location struct { + lat float32 + lon float32 + ianaName string +} + +type pageTemplate struct { + summary *template.Template +} + +type state struct { + ctx context.Context + apiKey apiKey + template pageTemplate + summaries sync.Map + summaryChans map[string]chan string + genai *genai.Client + subscriberCount atomic.Int64 +} + +type summaryTemplateData struct { + Summary string + Location string +} + +//go:embed web +var webDir embed.FS + +var prompt = "Provide a summaries of the weather below, mentioning the location. Provide suggestions on how to cope with the weather. Use celsius and fahrenheit for temperature. Do not add anything else. Respond in one line." + +var supportedLocations = map[string]location{ + "london": {51.507351, -0.127758, "Europe/London"}, + "sf": {37.774929, -122.419418, "America/Los_Angeles"}, + "sj": {37.338207, -121.886330, "America/Los_Angeles"}, + "la": {34.052235, -118.243683, "America/Los_Angeles"}, + "nyc": {40.712776, -74.005974, "America/New_York"}, + "tokyo": {35.689487, 139.691711, "Asia/Tokyo"}, +} + +func main() { + err := godotenv.Load() + if err != nil { + log.Fatalln("Please create a .env file using the provided template!") + } + + ctx, cancel := context.WithCancel(context.Background()) + defer cancel() + + genaiClient, err := genai.NewClient(ctx, &genai.ClientConfig{ + APIKey: os.Getenv("GEMINI_API_KEY"), + Backend: genai.BackendGeminiAPI, + }) + if err != nil { + log.Fatalf("failed to initialize gemini client: %e\n", err) + } + + summaryHTML, _ := webDir.ReadFile("web/summary.html") + summaryPageTemplate, _ := template.New("summary.html").Parse(string(summaryHTML)) + + state := state{ + ctx: ctx, + apiKey: apiKey{ + openWeatherMap: os.Getenv("OPEN_WEATHER_MAP_API_KEY"), + }, + template: pageTemplate{ + summary: summaryPageTemplate, + }, + summaries: sync.Map{}, + summaryChans: map[string]chan string{}, + genai: genaiClient, + } + + var schedulers []gocron.Scheduler + + for locKey, loc := range supportedLocations { + l, err := time.LoadLocation(loc.ianaName) + if err != nil { + log.Fatal(err) + } + + s, err := gocron.NewScheduler(gocron.WithLocation(l)) + if err != nil { + log.Fatal(err) + } + + _, err = s.NewJob( + gocron.DurationJob(time.Minute), + gocron.NewTask(updateSummaries, &state, locKey, &loc)) + if err != nil { + log.Fatal(err) + } + + schedulers = append(schedulers, s) + state.summaryChans[locKey] = make(chan string) + + s.Start() + } + + http.HandleFunc("/", handleHTTPRequest(&state)) + http.ListenAndServe(":8080", nil) + + for _, s := range schedulers { + s.Shutdown() + } +} + +func handleHTTPRequest(state *state) http.HandlerFunc { + return func(writer http.ResponseWriter, request *http.Request) { + path := strings.TrimPrefix(request.URL.Path, "/") + + switch path { + case "": + index, _ := webDir.ReadFile("web/index.html") + writer.Write(index) + + case "ws": + conn, err := websocket.Accept(writer, request, nil) + if err != nil { + log.Printf("error accepting incoming ws connection: %e\n", err) + } + defer conn.CloseNow() + + log.Println("accepted incoming websocket connection") + + locKey := request.URL.Query().Get("location") + if c, ok := state.summaryChans[locKey]; ok { + state.subscriberCount.Add(1) + sendSummaryUpdates(state, c, conn) + state.subscriberCount.Add(-1) + } + + default: + summary, ok := state.summaries.Load(path) + if ok { + state.template.summary.Execute(writer, summaryTemplateData{summary.(string), path}) + } else { + f, err := webDir.ReadFile("web/" + path) + if err != nil { + writer.WriteHeader(404) + } else { + m := mime.TypeByExtension(filepath.Ext(path)) + if m != "" { + writer.Header().Set("Content-Type", m) + } + writer.Write(f) + } + } + } + } +} + +func sendSummaryUpdates(state *state, c <-chan string, conn *websocket.Conn) { + l := rate.NewLimiter(rate.Every(time.Millisecond*100), 10) + ctx, cancel := context.WithCancel(state.ctx) + defer cancel() + + for { + err := l.Wait(ctx) + if err != nil { + return + } + + select { + case summary := <-c: + log.Println("summary updated. sending updates via sockets...") + + w, err := conn.Writer(ctx, websocket.MessageText) + if err != nil { + return + } + _, err = w.Write([]byte(summary)) + if err != nil { + return + } + w.Close() + case <-ctx.Done(): + return + } + } +} + +func updateSummaries(state *state, locKey string, loc *location) { + log.Printf("updating summary for %v...\n", locKey) + + resp, err := http.Get(fmt.Sprintf("https://api.openweathermap.org/data/2.5/weather?lat=%f&lon=%f&appid=%v", loc.lat, loc.lon, state.apiKey.openWeatherMap)) + if err != nil { + log.Printf("error updating summaries for %s: %e\n", locKey, err) + return + } + + b, err := io.ReadAll(resp.Body) + defer resp.Body.Close() + if err != nil { + log.Printf("error updating summaries for %s: %e\n", locKey, err) + return + } + + result, err := state.genai.Models.GenerateContent(state.ctx, "gemini-2.0-flash", []*genai.Content{{ + Parts: []*genai.Part{ + {Text: prompt}, + {Text: string(b)}, + }, + }}, nil) + if err != nil { + log.Printf("error updating summaries for %s: %e\n", locKey, err) + return + } + + summary := result.Text() + c := state.summaryChans[locKey] + + state.summaries.Store(locKey, summary) + if state.subscriberCount.Load() > 0 { + c <- summary + } + + log.Printf("updated summary for %v successfully\n", locKey) +} diff --git a/web/index.html b/web/index.html new file mode 100644 index 0000000..47177af --- /dev/null +++ b/web/index.html @@ -0,0 +1,28 @@ + + + + + 7am + + + + + + + +
+

7am

+

Daily weather updates delivered to you at 7am.

+
+ +
+ + + diff --git a/web/style.css b/web/style.css new file mode 100644 index 0000000..eb06773 --- /dev/null +++ b/web/style.css @@ -0,0 +1,79 @@ +:root { + --background-color: #f3f4f6; + --text-color: #1f2937; + --button-color: #030712; + --button-text-color: #f3f4f6; +} + +@media (prefers-color-scheme: dark) { + :root { + --background-color: #030712; + --text-color: #f3f4f6; + --button-color: #f3f4f6; + --button-text-color: #030712; + } +} + +html, body { + font-family: Geist, sans-serif; + width: 100%; + height: 100%; + display: flex; + align-items: center; + justify-content: center; + background-color: var(--background-color); + color: var(--text-color); +} + +h1 { + font-weight: bolder; + font-size: 1em; + margin: 0; + padding-bottom: 0.5rem; +} + +h2 { + font-weight: 400; + font-size: 1em; + margin: 0; + padding: 0; +} + +ul { + list-style: none; + margin: 0; + padding: 0; +} + +ul > li:not(:last-child) { + padding-bottom: 0.5rem; +} + +a { + text-decoration: underline; + color: var(--text-color) +} + +hr.divider { + border-color: var(--text-color); + margin: 1.5rem 0; +} + +main { + padding-left: 1rem; + padding-right: 1rem; +} + +button { + background-color: var(--button-color); + color: var(--button-text-color); + border: 0; + padding: 1rem 3rem; + border-radius: 4px; + font-weight: bold; +} + +.summary { + max-width: 30ch; + font-size: 2em; +} diff --git a/web/summary.html b/web/summary.html new file mode 100644 index 0000000..5492442 --- /dev/null +++ b/web/summary.html @@ -0,0 +1,20 @@ + + + + + WeatherBoy + + + + + + + +
+

{{.Summary}}

+ +
+ + + + \ No newline at end of file diff --git a/web/summary.js b/web/summary.js new file mode 100644 index 0000000..1119560 --- /dev/null +++ b/web/summary.js @@ -0,0 +1,39 @@ +const KEY_UPDATES_ENABLED = "updatesEnabled" + +const canReceiveUpdates = "Notification" in window && "serviceWorker" in navigator +const getSummaryButton = document.getElementById("get-summary-btn") +const loc = getSummaryButton.dataset.loc +getSummaryButton.style.display = "none" + +console.log("can receive updates?", canReceiveUpdates) + +if (canReceiveUpdates) { + window.addEventListener("load", () => { + navigator.serviceWorker.register("/sw.js") + }) + + navigator.serviceWorker.ready.then((reg) => { + if (Notification.permission === "granted" && localStorage.getItem(KEY_UPDATES_ENABLED) === "true") { + getSummaryButton.innerText = "Stop updates" + reg.active.postMessage(loc) + } else { + getSummaryButton.innerText = "Get daily updates at 7am" + } + + getSummaryButton.addEventListener("click", async () => { + const currentlyEnabled = localStorage.getItem(KEY_UPDATES_ENABLED) === "true" + const worker = await navigator.serviceWorker.ready + if (currentlyEnabled) { + localStorage.removeItem(KEY_UPDATES_ENABLED) + worker.active.postMessage("cancel") + } else if (await Notification.requestPermission()) { + localStorage.setItem(KEY_UPDATES_ENABLED, "true") + worker.active.postMessage(loc) + } else { + console.log("notification denied") + } + }) + + getSummaryButton.style.display = "block" + }) +} diff --git a/web/sw.js b/web/sw.js new file mode 100644 index 0000000..c5c13c5 --- /dev/null +++ b/web/sw.js @@ -0,0 +1,47 @@ +let ws +let shouldRetry = false + +function start(location) { + shouldRetry = true + const port = self.location.port ? `:${self.location.port}` : "" + const socket = new WebSocket(`ws://${self.location.hostname}${port}/ws?location=${location}`) + socket.onopen = () => { + ws = socket + } + socket.onclose = () => { + reconnect() + } + socket.onerror = () => { + reconnect() + } + socket.onmessage = (event) => { + self.registration.showNotification("7am weather summary", { + body: event.data + }) + } +} + +function cancel() { + shouldRetry = false + if (ws) { + ws.close() + ws = null + } +} + +async function reconnect() { + while (shouldRetry) { + await new Promise((resolve) => { + setTimeout(resolve, 5 * 60 * 1000) + }) + start(location) + } +} + +self.addEventListener("message", (event) => { + if (event.data === "cancel") { + cancel() + } else { + start(event.data) + } +}) \ No newline at end of file